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d2a_code_data_42054
void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp) { int i, j, max; const BN_ULONG *ap; BN_ULONG *rp; max = n * 2; ap = a; rp = r; rp[0] = rp[max - 1] = 0; rp++; j = n; if (--j > 0) { ap++; rp[j] = bn_mul_words(rp, ap, j, ap[-1]); rp += 2; } for (i = n - 2; i > 0; i--) { j--; ap++; rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]); rp += 2; } bn_add_words(r, r, r, max); bn_sqr_words(tmp, a, n); bn_add_words(r, r, tmp, max); }
https://github.com/openssl/openssl/blob/b66411f6cda6970c01283ddde6d8063c57b3b7d9/crypto/bn/bn_sqr.c/#L120
d2a_code_data_42055
static dav_error * dav_validate_resource_state(apr_pool_t *p, const dav_resource *resource, dav_lockdb *lockdb, const dav_if_header *if_header, int flags, dav_buffer *pbuf, request_rec *r) { dav_error *err; const char *uri; const char *etag; const dav_hooks_locks *locks_hooks = (lockdb ? lockdb->hooks : NULL); const dav_if_header *ifhdr_scan; dav_if_state_list *state_list; dav_lock *lock_list; dav_lock *lock; int num_matched; int num_that_apply; int seen_locktoken; apr_size_t uri_len; const char *reason = NULL; if (lockdb == NULL) { lock_list = NULL; } else { if ((err = dav_lock_query(lockdb, resource, &lock_list)) != NULL) { return dav_push_error(p, HTTP_INTERNAL_SERVER_ERROR, 0, "The locks could not be queried for " "verification against a possible \"If:\" " "header.", err); } } if (flags & DAV_LOCKSCOPE_EXCLUSIVE) { if (lock_list != NULL) { return dav_new_error(p, HTTP_LOCKED, 0, 0, "Existing lock(s) on the requested resource " "prevent an exclusive lock."); } seen_locktoken = 1; } else if (flags & DAV_LOCKSCOPE_SHARED) { for (lock = lock_list; lock != NULL; lock = lock->next) { if (lock->scope == DAV_LOCKSCOPE_EXCLUSIVE) { return dav_new_error(p, HTTP_LOCKED, 0, 0, "The requested resource is already " "locked exclusively."); } } seen_locktoken = 1; } else { seen_locktoken = (lock_list == NULL); } if (if_header == NULL) { if (seen_locktoken) return NULL; return dav_new_error(p, HTTP_LOCKED, 0, 0, "This resource is locked and an \"If:\" header " "was not supplied to allow access to the " "resource."); } if (lock_list == NULL && if_header->dummy_header) { if (flags & DAV_VALIDATE_IS_PARENT) return NULL; return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the \"Lock-Token:\" " "header is invalid because this resource has no " "outstanding locks."); } uri = resource->uri; uri_len = strlen(uri); if (uri[uri_len - 1] == '/') { dav_set_bufsize(p, pbuf, uri_len); memcpy(pbuf->buf, uri, uri_len); pbuf->buf[--uri_len] = '\0'; uri = pbuf->buf; } etag = (*resource->hooks->getetag)(resource); num_that_apply = 0; for (ifhdr_scan = if_header; ifhdr_scan != NULL; ifhdr_scan = ifhdr_scan->next) { if (ifhdr_scan->uri != NULL && (uri_len != ifhdr_scan->uri_len || memcmp(uri, ifhdr_scan->uri, uri_len) != 0)) { continue; } ++num_that_apply; for (state_list = ifhdr_scan->state; state_list != NULL; state_list = state_list->next) { switch(state_list->type) { case dav_if_etag: { const char *given_etag, *current_etag; int mismatch; if (state_list->etag[0] == 'W' && state_list->etag[1] == '/') { given_etag = state_list->etag + 2; } else { given_etag = state_list->etag; } if (etag[0] == 'W' && etag[1] == '/') { current_etag = etag + 2; } else { current_etag = etag; } mismatch = strcmp(given_etag, current_etag); if (state_list->condition == DAV_IF_COND_NORMAL && mismatch) { reason = "an entity-tag was specified, but the resource's " "actual ETag does not match."; goto state_list_failed; } else if (state_list->condition == DAV_IF_COND_NOT && !mismatch) { reason = "an entity-tag was specified using the \"Not\" form, " "but the resource's actual ETag matches the provided " "entity-tag."; goto state_list_failed; } break; } case dav_if_opaquelock: if (lockdb == NULL) { if (state_list->condition == DAV_IF_COND_NOT) { continue; } reason = "a State-token was supplied, but a lock database " "is not available for to provide the required lock."; goto state_list_failed; } num_matched = 0; for (lock = lock_list; lock != NULL; lock = lock->next) { if ((*locks_hooks->compare_locktoken)(state_list->locktoken, lock->locktoken)) { continue; } seen_locktoken = 1; if (state_list->condition == DAV_IF_COND_NOT) { reason = "a State-token was supplied, which used a " "\"Not\" condition. The State-token was found " "in the locks on this resource"; goto state_list_failed; } if (lock->auth_user && (!r->user || strcmp(lock->auth_user, r->user))) { const char *errmsg; errmsg = apr_pstrcat(p, "User \"", r->user, "\" submitted a locktoken created " "by user \"", lock->auth_user, "\".", NULL); return dav_new_error(p, HTTP_FORBIDDEN, 0, 0, errmsg); } num_matched = 1; break; } if (num_matched == 0 && state_list->condition == DAV_IF_COND_NORMAL) { reason = "a State-token was supplied, but it was not found " "in the locks on this resource."; goto state_list_failed; } break; case dav_if_unknown: if (state_list->condition == DAV_IF_COND_NORMAL) { reason = "an unknown state token was supplied"; goto state_list_failed; } break; } } if (seen_locktoken) { return NULL; } break; state_list_failed: ; } if (ifhdr_scan == NULL) { if (num_that_apply == 0) { if (seen_locktoken) return NULL; if (dav_find_submitted_locktoken(if_header, lock_list, locks_hooks)) { return NULL; } return dav_new_error(p, HTTP_LOCKED, 0 , 0, "This resource is locked and the \"If:\" " "header did not specify one of the " "locktokens for this resource's lock(s)."); } if (if_header->dummy_header) { return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the " "\"Lock-Token:\" header did not specify one " "of this resource's locktoken(s)."); } if (reason == NULL) { return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0, "The preconditions specified by the \"If:\" " "header did not match this resource."); } return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0, apr_psprintf(p, "The precondition(s) specified by " "the \"If:\" header did not match " "this resource. At least one " "failure is because: %s", reason)); } if (dav_find_submitted_locktoken(if_header, lock_list, locks_hooks)) { return NULL; } if (if_header->dummy_header) { return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the " "\"Lock-Token:\" header did not specify one " "of this resource's locktoken(s)."); } return dav_new_error(p, HTTP_LOCKED, 1 , 0, "This resource is locked and the \"If:\" header " "did not specify one of the " "locktokens for this resource's lock(s)."); }
https://github.com/apache/httpd/blob/8b2ec33ac5d314be345814db08e194ffeda6beb0/modules/dav/main/util.c/#L989
d2a_code_data_42056
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/ssl/packet.c/#L48
d2a_code_data_42057
static av_cold int dvvideo_init(AVCodecContext *avctx) { DVVideoContext *s = avctx->priv_data; DSPContext dsp; static int done=0; int i, j; if (!done) { VLC dv_vlc; uint16_t new_dv_vlc_bits[NB_DV_VLC*2]; uint8_t new_dv_vlc_len[NB_DV_VLC*2]; uint8_t new_dv_vlc_run[NB_DV_VLC*2]; int16_t new_dv_vlc_level[NB_DV_VLC*2]; done = 1; for (i=0; i<DV_ANCHOR_SIZE; i++) dv_anchor[i] = (void*)(size_t)i; for (i=0, j=0; i<NB_DV_VLC; i++, j++) { new_dv_vlc_bits[j] = dv_vlc_bits[i]; new_dv_vlc_len[j] = dv_vlc_len[i]; new_dv_vlc_run[j] = dv_vlc_run[i]; new_dv_vlc_level[j] = dv_vlc_level[i]; if (dv_vlc_level[i]) { new_dv_vlc_bits[j] <<= 1; new_dv_vlc_len[j]++; j++; new_dv_vlc_bits[j] = (dv_vlc_bits[i] << 1) | 1; new_dv_vlc_len[j] = dv_vlc_len[i] + 1; new_dv_vlc_run[j] = dv_vlc_run[i]; new_dv_vlc_level[j] = -dv_vlc_level[i]; } } init_vlc(&dv_vlc, TEX_VLC_BITS, j, new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2, 0); assert(dv_vlc.table_size == 1184); for(i = 0; i < dv_vlc.table_size; i++){ int code= dv_vlc.table[i][0]; int len = dv_vlc.table[i][1]; int level, run; if(len<0){ run= 0; level= code; } else { run= new_dv_vlc_run[code] + 1; level= new_dv_vlc_level[code]; } dv_rl_vlc[i].len = len; dv_rl_vlc[i].level = level; dv_rl_vlc[i].run = run; } free_vlc(&dv_vlc); for (i = 0; i < NB_DV_VLC - 1; i++) { if (dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE) continue; #ifdef DV_CODEC_TINY_TARGET if (dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE) continue; #endif if (dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size != 0) continue; dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].vlc = dv_vlc_bits[i] << (!!dv_vlc_level[i]); dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size = dv_vlc_len[i] + (!!dv_vlc_level[i]); } for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) { #ifdef DV_CODEC_TINY_TARGET for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) { if (dv_vlc_map[i][j].size == 0) { dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + dv_vlc_map[0][j].size; } } #else for (j = 1; j < DV_VLC_MAP_LEV_SIZE/2; j++) { if (dv_vlc_map[i][j].size == 0) { dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + dv_vlc_map[0][j].size; } dv_vlc_map[i][((uint16_t)(-j))&0x1ff].vlc = dv_vlc_map[i][j].vlc | 1; dv_vlc_map[i][((uint16_t)(-j))&0x1ff].size = dv_vlc_map[i][j].size; } #endif } } dsputil_init(&dsp, avctx); s->get_pixels = dsp.get_pixels; s->fdct[0] = dsp.fdct; s->idct_put[0] = dsp.idct_put; for (i=0; i<64; i++) s->dv_zigzag[0][i] = dsp.idct_permutation[ff_zigzag_direct[i]]; s->fdct[1] = dsp.fdct248; s->idct_put[1] = ff_simple_idct248_put; if(avctx->lowres){ for (i=0; i<64; i++){ int j= ff_zigzag248_direct[i]; s->dv_zigzag[1][i] = dsp.idct_permutation[(j&7) + (j&8)*4 + (j&48)/2]; } }else memcpy(s->dv_zigzag[1], ff_zigzag248_direct, 64); dv_build_unquantize_tables(s, dsp.idct_permutation); avctx->coded_frame = &s->picture; s->avctx= avctx; return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dv.c/#L164
d2a_code_data_42058
static ChannelElement *get_che(AACContext *ac, int type, int elem_id) { int err_printed = 0; while (ac->tags_seen_this_frame[type][elem_id] && elem_id < MAX_ELEM_ID) { if (ac->output_configured < OC_LOCKED && !err_printed) { av_log(ac->avccontext, AV_LOG_WARNING, "Duplicate channel tag found, attempting to remap.\n"); err_printed = 1; } elem_id++; } if (elem_id == MAX_ELEM_ID) return NULL; ac->tags_seen_this_frame[type][elem_id] = 1; if (ac->tag_che_map[type][elem_id]) { return ac->tag_che_map[type][elem_id]; } if (ac->tags_mapped >= tags_per_config[ac->m4ac.chan_config]) { return NULL; } switch (ac->m4ac.chan_config) { case 7: if (ac->tags_mapped == 3 && type == TYPE_CPE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][2]; } case 6: if (ac->tags_mapped == tags_per_config[ac->m4ac.chan_config] - 1 && (type == TYPE_LFE || type == TYPE_SCE)) { ac->tags_mapped++; return ac->tag_che_map[type][elem_id] = ac->che[TYPE_LFE][0]; } case 5: if (ac->tags_mapped == 2 && type == TYPE_CPE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][1]; } case 4: if (ac->tags_mapped == 2 && ac->m4ac.chan_config == 4 && type == TYPE_SCE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][1]; } case 3: case 2: if (ac->tags_mapped == (ac->m4ac.chan_config != 2) && type == TYPE_CPE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][0]; } else if (ac->m4ac.chan_config == 2) { return NULL; } case 1: if (!ac->tags_mapped && type == TYPE_SCE) { ac->tags_mapped++; return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][0]; } default: return NULL; } }
https://github.com/libav/libav/blob/76561924cf3d9789653dc72d696f119862616891/libavcodec/aac.c/#L142
d2a_code_data_42059
static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x, X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts, char *serialfile, int create, int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno) { int ret=0; ASN1_INTEGER *bs=NULL; X509_STORE_CTX xsc; EVP_PKEY *upkey; upkey = X509_get_pubkey(xca); EVP_PKEY_copy_parameters(upkey,pkey); EVP_PKEY_free(upkey); if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL)) { BIO_printf(bio_err,"Error initialising X509 store\n"); goto end; } if (sno) bs = sno; else if (!(bs = x509_load_serial(CAfile, serialfile, create))) goto end; X509_STORE_CTX_set_cert(&xsc,x); X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE); if (!reqfile && X509_verify_cert(&xsc) <= 0) goto end; if (!X509_check_private_key(xca,pkey)) { BIO_printf(bio_err,"CA certificate and CA private key do not match\n"); goto end; } if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end; if (!X509_set_serialNumber(x,bs)) goto end; if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL) goto end; if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL) goto end; if (clrext) { while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0); } if (conf) { X509V3_CTX ctx2; X509_set_version(x,2); X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0); X509V3_set_nconf(&ctx2, conf); if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end; } if (!do_X509_sign(bio_err, x, pkey, digest, sigopts)) goto end; ret=1; end: X509_STORE_CTX_cleanup(&xsc); if (!ret) ERR_print_errors(bio_err); if (!sno) ASN1_INTEGER_free(bs); return ret; }
https://github.com/openssl/openssl/blob/360ef6769e97f2918ae67a2909951eb8612043ee/apps/x509.c/#L1200
d2a_code_data_42060
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/4cc968df403ed9321d0df722aba33323ae575ce0/crypto/bn/bn_lib.c/#L232
d2a_code_data_42061
int tls_curve_allowed(SSL *s, const unsigned char *curve, int op) { const tls_curve_info *cinfo; if (curve[0]) return 1; if ((curve[1] < 1) || ((size_t)curve[1] > OSSL_NELEM(nid_list))) return 0; cinfo = &nid_list[curve[1] - 1]; # ifdef OPENSSL_NO_EC2M if (cinfo->flags & TLS_CURVE_CHAR2) return 0; # endif return ssl_security(s, op, cinfo->secbits, cinfo->nid, (void *)curve); }
https://github.com/openssl/openssl/blob/7671342e550ed2de676b23c79d0e7f45a381c76e/ssl/t1_lib.c/#L275
d2a_code_data_42062
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; void *ret; lh->error = 0; rn = getrn(lh, data, &hash); if (*rn == NULL) { lh->num_no_delete++; return (NULL); } else { nn = *rn; *rn = nn->next; ret = nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes))) contract(lh); return (ret); }
https://github.com/openssl/openssl/blob/ffbaf06ade6dab6a0805a24087cf2e84c5db8d43/crypto/lhash/lhash.c/#L123
d2a_code_data_42063
static inline void dv_encode_video_segment(DVVideoContext *s, uint8_t *dif, const uint16_t *mb_pos_ptr) { int mb_index, i, j, v; int mb_x, mb_y, c_offset, linesize; uint8_t* y_ptr; uint8_t* data; uint8_t* ptr; int do_edge_wrap; DECLARE_ALIGNED_16(DCTELEM, block[64]); EncBlockInfo enc_blks[5*6]; PutBitContext pbs[5*6]; PutBitContext* pb; EncBlockInfo* enc_blk; int vs_bit_size = 0; int qnos[5]; assert((((int)block) & 15) == 0); enc_blk = &enc_blks[0]; pb = &pbs[0]; for(mb_index = 0; mb_index < 5; mb_index++) { v = *mb_pos_ptr++; mb_x = v & 0xff; mb_y = v >> 8; if (s->sys->pix_fmt == PIX_FMT_YUV422P) { y_ptr = s->picture.data[0] + (mb_y * s->picture.linesize[0] * 8) + (mb_x * 4); } else { y_ptr = s->picture.data[0] + (mb_y * s->picture.linesize[0] * 8) + (mb_x * 8); } if (s->sys->pix_fmt == PIX_FMT_YUV420P) { c_offset = (((mb_y >> 1) * s->picture.linesize[1] * 8) + ((mb_x >> 1) * 8)); } else { c_offset = ((mb_y * s->picture.linesize[1] * 8) + ((mb_x >> 2) * 8)); } do_edge_wrap = 0; qnos[mb_index] = 15; ptr = dif + mb_index*80 + 4; for(j = 0;j < 6; j++) { int dummy = 0; if (s->sys->pix_fmt == PIX_FMT_YUV422P) { if (j == 0 || j == 2) { data = y_ptr + ((j>>1) * 8); linesize = s->picture.linesize[0]; } else if (j > 3) { data = s->picture.data[6 - j] + c_offset; linesize = s->picture.linesize[6 - j]; } else { data = 0; linesize = 0; dummy = 1; } } else { if (j < 4) { if (s->sys->pix_fmt == PIX_FMT_YUV411P && mb_x < (704 / 8)) { data = y_ptr + (j * 8); } else { data = y_ptr + ((j & 1) * 8) + ((j >> 1) * 8 * s->picture.linesize[0]); } linesize = s->picture.linesize[0]; } else { data = s->picture.data[6 - j] + c_offset; linesize = s->picture.linesize[6 - j]; if (s->sys->pix_fmt == PIX_FMT_YUV411P && mb_x >= (704 / 8)) do_edge_wrap = 1; } } if (do_edge_wrap) { uint8_t* d; DCTELEM *b = block; for (i=0;i<8;i++) { d = data + 8 * linesize; b[0] = data[0]; b[1] = data[1]; b[2] = data[2]; b[3] = data[3]; b[4] = d[0]; b[5] = d[1]; b[6] = d[2]; b[7] = d[3]; data += linesize; b += 8; } } else { if (!dummy) s->get_pixels(block, data, linesize); } if(s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) enc_blk->dct_mode = dv_guess_dct_mode(block); else enc_blk->dct_mode = 0; enc_blk->area_q[0] = enc_blk->area_q[1] = enc_blk->area_q[2] = enc_blk->area_q[3] = 0; enc_blk->partial_bit_count = 0; enc_blk->partial_bit_buffer = 0; enc_blk->cur_ac = 0; if (dummy) { memset(block, 0, sizeof(block)); } else { s->fdct[enc_blk->dct_mode](block); } dv_set_class_number(block, enc_blk, enc_blk->dct_mode ? ff_zigzag248_direct : ff_zigzag_direct, enc_blk->dct_mode ? dv_weight_248 : dv_weight_88, j/4); init_put_bits(pb, ptr, block_sizes[j]/8); put_bits(pb, 9, (uint16_t)(((enc_blk->mb[0] >> 3) - 1024 + 2) >> 2)); put_bits(pb, 1, enc_blk->dct_mode); put_bits(pb, 2, enc_blk->cno); vs_bit_size += enc_blk->bit_size[0] + enc_blk->bit_size[1] + enc_blk->bit_size[2] + enc_blk->bit_size[3]; ++enc_blk; ++pb; ptr += block_sizes[j]/8; } } if (vs_total_ac_bits < vs_bit_size) dv_guess_qnos(&enc_blks[0], &qnos[0]); for (i=0; i<5; i++) { dif[i*80 + 3] = qnos[i]; } for (j=0; j<5*6; j++) dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j+1]); for (j=0; j<5*6; j+=6) { pb= &pbs[j]; for (i=0; i<6; i++) { if (enc_blks[i+j].partial_bit_count) pb=dv_encode_ac(&enc_blks[i+j], pb, &pbs[j+6]); } } pb= &pbs[0]; for (j=0; j<5*6; j++) { if (enc_blks[j].partial_bit_count) pb=dv_encode_ac(&enc_blks[j], pb, &pbs[6*5]); if (enc_blks[j].partial_bit_count) av_log(NULL, AV_LOG_ERROR, "ac bitstream overflow\n"); } for (j=0; j<5*6; j++) flush_put_bits(&pbs[j]); }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dv.c/#L971
d2a_code_data_42064
unsigned char *next_protos_parse(size_t *outlen, const char *in) { size_t len; unsigned char *out; size_t i, start = 0; len = strlen(in); if (len >= 65535) return NULL; out = app_malloc(strlen(in) + 1, "NPN buffer"); for (i = 0; i <= len; ++i) { if (i == len || in[i] == ',') { if (i - start > 255) { OPENSSL_free(out); return NULL; } out[start] = (unsigned char)(i - start); start = i + 1; } else { out[i + 1] = in[i]; } } *outlen = len + 1; return out; }
https://github.com/openssl/openssl/blob/ce506d27ab5e7d17dfe3fe649768a0d19b6c86ee/apps/apps.c/#L1800
d2a_code_data_42065
int BN_lshift(BIGNUM *r, const BIGNUM *a, int n) { int i, nw, lb, rb; BN_ULONG *t, *f; BN_ULONG l; bn_check_top(r); bn_check_top(a); if (n < 0) { BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT); return 0; } nw = n / BN_BITS2; if (bn_wexpand(r, a->top + nw + 1) == NULL) return (0); r->neg = a->neg; lb = n % BN_BITS2; rb = BN_BITS2 - lb; f = a->d; t = r->d; t[a->top + nw] = 0; if (lb == 0) for (i = a->top - 1; i >= 0; i--) t[nw + i] = f[i]; else for (i = a->top - 1; i >= 0; i--) { l = f[i]; t[nw + i + 1] |= (l >> rb) & BN_MASK2; t[nw + i] = (l << lb) & BN_MASK2; } memset(t, 0, sizeof(*t) * nw); r->top = a->top + nw + 1; bn_correct_top(r); bn_check_top(r); return (1); }
https://github.com/openssl/openssl/blob/7671342e550ed2de676b23c79d0e7f45a381c76e/crypto/bn/bn_shift.c/#L112
d2a_code_data_42066
static inline void idct4col_add(uint8_t *dest, int line_size, const DCTELEM *col) { int c0, c1, c2, c3, a0, a1, a2, a3; const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; a0 = col[8*0]; a1 = col[8*1]; a2 = col[8*2]; a3 = col[8*3]; c0 = (a0 + a2)*C3 + (1 << (C_SHIFT - 1)); c2 = (a0 - a2)*C3 + (1 << (C_SHIFT - 1)); c1 = a1 * C1 + a3 * C2; c3 = a1 * C2 - a3 * C1; dest[0] = cm[dest[0] + ((c0 + c1) >> C_SHIFT)]; dest += line_size; dest[0] = cm[dest[0] + ((c2 + c3) >> C_SHIFT)]; dest += line_size; dest[0] = cm[dest[0] + ((c2 - c3) >> C_SHIFT)]; dest += line_size; dest[0] = cm[dest[0] + ((c0 - c1) >> C_SHIFT)]; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/simple_idct.c/#L519
d2a_code_data_42067
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/b33d1141b6dcce947708b984c5e9e91dad3d675d/crypto/x509/x509_obj.c/#L97
d2a_code_data_42068
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353
d2a_code_data_42069
void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp) { int i, j, max; const BN_ULONG *ap; BN_ULONG *rp; max = n * 2; ap = a; rp = r; rp[0] = rp[max - 1] = 0; rp++; j = n; if (--j > 0) { ap++; rp[j] = bn_mul_words(rp, ap, j, ap[-1]); rp += 2; } for (i = n - 2; i > 0; i--) { j--; ap++; rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]); rp += 2; } bn_add_words(r, r, r, max); bn_sqr_words(tmp, a, n); bn_add_words(r, r, tmp, max); }
https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/bn/bn_sqr.c/#L118
d2a_code_data_42070
void *lh_delete(_LHASH *lh, const void *data) { unsigned long hash; LHASH_NODE *nn,**rn; void *ret; lh->error=0; rn=getrn(lh,data,&hash); if (*rn == NULL) { lh->num_no_delete++; return(NULL); } else { nn= *rn; *rn=nn->next; ret=nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes))) contract(lh); return(ret); }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/lhash/lhash.c/#L240
d2a_code_data_42071
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232
d2a_code_data_42072
static int interlaced_search(MpegEncContext *s, int ref_index, int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select) { MotionEstContext * const c= &s->me; const int size=0; const int h=8; int block; int P[10][2]; uint8_t * const mv_penalty= c->current_mv_penalty; int same=1; const int stride= 2*s->linesize; int dmin_sum= 0; const int mot_stride= s->mb_stride; const int xy= s->mb_x + s->mb_y*mot_stride; c->ymin>>=1; c->ymax>>=1; c->stride<<=1; c->uvstride<<=1; init_interlaced_ref(s, ref_index); for(block=0; block<2; block++){ int field_select; int best_dmin= INT_MAX; int best_field= -1; for(field_select=0; field_select<2; field_select++){ int dmin, mx_i, my_i; int16_t (*mv_table)[2]= mv_tables[block][field_select]; if(user_field_select){ assert(field_select==0 || field_select==1); assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1); if(field_select_tables[block][xy] != field_select) continue; } P_LEFT[0] = mv_table[xy - 1][0]; P_LEFT[1] = mv_table[xy - 1][1]; if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1); c->pred_x= P_LEFT[0]; c->pred_y= P_LEFT[1]; if(!s->first_slice_line){ P_TOP[0] = mv_table[xy - mot_stride][0]; P_TOP[1] = mv_table[xy - mot_stride][1]; P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0]; P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1]; if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1); if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1); if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1); if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1); P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); } P_MV1[0]= mx; P_MV1[1]= my / 2; dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1); dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h); mv_table[xy][0]= mx_i; mv_table[xy][1]= my_i; if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ int dxy; uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride; dxy = ((my_i & 1) << 1) | (mx_i & 1); if(s->no_rounding){ s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h); }else{ s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h); } dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h); dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor; }else dmin+= c->mb_penalty_factor; dmin += field_select != block; if(dmin < best_dmin){ best_dmin= dmin; best_field= field_select; } } { int16_t (*mv_table)[2]= mv_tables[block][best_field]; if(mv_table[xy][0] != mx) same=0; if(mv_table[xy][1]&1) same=0; if(mv_table[xy][1]*2 != my) same=0; if(best_field != block) same=0; } field_select_tables[block][xy]= best_field; dmin_sum += best_dmin; } c->ymin<<=1; c->ymax<<=1; c->stride>>=1; c->uvstride>>=1; if(same) return INT_MAX; switch(c->avctx->mb_cmp&0xFF){ case FF_CMP_RD: return dmin_sum; default: return dmin_sum+ 11*c->mb_penalty_factor; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L921
d2a_code_data_42073
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/630fe1da888490b7dfef3fe0928b813ddff5d51a/crypto/bn/bn_lib.c/#L233
d2a_code_data_42074
static inline void skip_remaining(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE bc->bits >>= n; #else bc->bits <<= n; #endif bc->bits_left -= n; }
https://github.com/libav/libav/blob/7ff018c1cb43a5fe5ee2049d325cdd785852067a/libavcodec/bitstream.h/#L237
d2a_code_data_42075
static int TIFFStartTile(TIFF* tif, uint32 tile) { TIFFDirectory *td = &tif->tif_dir; if ((tif->tif_flags & TIFF_CODERSETUP) == 0) { if (!(*tif->tif_setupdecode)(tif)) return (0); tif->tif_flags |= TIFF_CODERSETUP; } tif->tif_curtile = tile; tif->tif_row = (tile % TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth)) * td->td_tilelength; tif->tif_col = (tile % TIFFhowmany_32(td->td_imagelength, td->td_tilelength)) * td->td_tilewidth; tif->tif_flags &= ~TIFF_BUF4WRITE; if (tif->tif_flags&TIFF_NOREADRAW) { tif->tif_rawcp = NULL; tif->tif_rawcc = 0; } else { tif->tif_rawcp = tif->tif_rawdata; tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile]; } return ((*tif->tif_predecode)(tif, (uint16)(tile/td->td_stripsperimage))); }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_read.c/#L748
d2a_code_data_42076
BIO *BIO_new_ssl_connect(SSL_CTX *ctx) { #ifndef OPENSSL_NO_SOCK BIO *ret = NULL, *con = NULL, *ssl = NULL; if ((con = BIO_new(BIO_s_connect())) == NULL) return (NULL); if ((ssl = BIO_new_ssl(ctx, 1)) == NULL) goto err; if ((ret = BIO_push(ssl, con)) == NULL) goto err; return (ret); err: BIO_free(con); #endif return (NULL); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/bio_ssl.c/#L525
d2a_code_data_42077
static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) { AVDictionary **meta_in = NULL; AVDictionary **meta_out; int i, ret = 0; char type_in, type_out; const char *istream_spec = NULL, *ostream_spec = NULL; int idx_in = 0, idx_out = 0; parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); if (type_in == 'g' || type_out == 'g') o->metadata_global_manual = 1; if (type_in == 's' || type_out == 's') o->metadata_streams_manual = 1; if (type_in == 'c' || type_out == 'c') o->metadata_chapters_manual = 1; #define METADATA_CHECK_INDEX(index, nb_elems, desc)\ if ((index) < 0 || (index) >= (nb_elems)) {\ av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ (desc), (index));\ exit_program(1);\ } #define SET_DICT(type, meta, context, index)\ switch (type) {\ case 'g':\ meta = &context->metadata;\ break;\ case 'c':\ METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ meta = &context->chapters[index]->metadata;\ break;\ case 'p':\ METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ meta = &context->programs[index]->metadata;\ break;\ }\ SET_DICT(type_in, meta_in, ic, idx_in); SET_DICT(type_out, meta_out, oc, idx_out); if (type_in == 's') { for (i = 0; i < ic->nb_streams; i++) { if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { meta_in = &ic->streams[i]->metadata; break; } else if (ret < 0) exit_program(1); } if (!meta_in) { av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); exit_program(1); } } if (type_out == 's') { for (i = 0; i < oc->nb_streams; i++) { if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { meta_out = &oc->streams[i]->metadata; av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); } else if (ret < 0) exit_program(1); } } else av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); return 0; }
https://github.com/libav/libav/blob/e1e369049e3d2f88eed6ed38eb3dd704681c7f1a/avconv.c/#L3066
d2a_code_data_42078
static int ssl_cipher_process_rulestr(const char *rule_str, CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p, const SSL_CIPHER **ca_list, CERT *c) { uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength; int min_tls; const char *l, *buf; int j, multi, found, rule, retval, ok, buflen; uint32_t cipher_id = 0; char ch; retval = 1; l = rule_str; for ( ; ; ) { ch = *l; if (ch == '\0') break; if (ch == '-') { rule = CIPHER_DEL; l++; } else if (ch == '+') { rule = CIPHER_ORD; l++; } else if (ch == '!') { rule = CIPHER_KILL; l++; } else if (ch == '@') { rule = CIPHER_SPECIAL; l++; } else { rule = CIPHER_ADD; } if (ITEM_SEP(ch)) { l++; continue; } alg_mkey = 0; alg_auth = 0; alg_enc = 0; alg_mac = 0; min_tls = 0; algo_strength = 0; for (;;) { ch = *l; buf = l; buflen = 0; #ifndef CHARSET_EBCDIC while (((ch >= 'A') && (ch <= 'Z')) || ((ch >= '0') && (ch <= '9')) || ((ch >= 'a') && (ch <= 'z')) || (ch == '-') || (ch == '.') || (ch == '=')) #else while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.') || (ch == '=')) #endif { ch = *(++l); buflen++; } if (buflen == 0) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); retval = found = 0; l++; break; } if (rule == CIPHER_SPECIAL) { found = 0; break; } if (ch == '+') { multi = 1; l++; } else { multi = 0; } j = found = 0; cipher_id = 0; while (ca_list[j]) { if (strncmp(buf, ca_list[j]->name, buflen) == 0 && (ca_list[j]->name[buflen] == '\0')) { found = 1; break; } else j++; } if (!found) break; if (ca_list[j]->algorithm_mkey) { if (alg_mkey) { alg_mkey &= ca_list[j]->algorithm_mkey; if (!alg_mkey) { found = 0; break; } } else { alg_mkey = ca_list[j]->algorithm_mkey; } } if (ca_list[j]->algorithm_auth) { if (alg_auth) { alg_auth &= ca_list[j]->algorithm_auth; if (!alg_auth) { found = 0; break; } } else { alg_auth = ca_list[j]->algorithm_auth; } } if (ca_list[j]->algorithm_enc) { if (alg_enc) { alg_enc &= ca_list[j]->algorithm_enc; if (!alg_enc) { found = 0; break; } } else { alg_enc = ca_list[j]->algorithm_enc; } } if (ca_list[j]->algorithm_mac) { if (alg_mac) { alg_mac &= ca_list[j]->algorithm_mac; if (!alg_mac) { found = 0; break; } } else { alg_mac = ca_list[j]->algorithm_mac; } } if (ca_list[j]->algo_strength & SSL_STRONG_MASK) { if (algo_strength & SSL_STRONG_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_STRONG_MASK) | ~SSL_STRONG_MASK; if (!(algo_strength & SSL_STRONG_MASK)) { found = 0; break; } } else { algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK; } } if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) { if (algo_strength & SSL_DEFAULT_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) | ~SSL_DEFAULT_MASK; if (!(algo_strength & SSL_DEFAULT_MASK)) { found = 0; break; } } else { algo_strength |= ca_list[j]->algo_strength & SSL_DEFAULT_MASK; } } if (ca_list[j]->valid) { cipher_id = ca_list[j]->id; } else { if (ca_list[j]->min_tls) { if (min_tls != 0 && min_tls != ca_list[j]->min_tls) { found = 0; break; } else { min_tls = ca_list[j]->min_tls; } } } if (!multi) break; } if (rule == CIPHER_SPECIAL) { ok = 0; if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) { ok = ssl_cipher_strength_sort(head_p, tail_p); } else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) { int level = buf[9] - '0'; if (level < 0 || level > 5) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } else { c->sec_level = level; ok = 1; } } else { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } if (ok == 0) retval = 0; while ((*l != '\0') && !ITEM_SEP(*l)) l++; } else if (found) { ssl_cipher_apply_rule(cipher_id, alg_mkey, alg_auth, alg_enc, alg_mac, min_tls, algo_strength, rule, -1, head_p, tail_p); } else { while ((*l != '\0') && !ITEM_SEP(*l)) l++; } if (*l == '\0') break; } return retval; }
https://github.com/openssl/openssl/blob/4af5836b55442f31795eff6c8c81ea7a1b8cf94b/ssl/ssl_ciph.c/#L1184
d2a_code_data_42079
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) { MOVStts *ctts_entries; uint32_t entries = 0; uint32_t atom_size; int i; ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); ctts_entries[0].count = 1; ctts_entries[0].duration = track->cluster[0].cts; for (i = 1; i < track->entry; i++) { if (track->cluster[i].cts == ctts_entries[entries].duration) { ctts_entries[entries].count++; } else { entries++; ctts_entries[entries].duration = track->cluster[i].cts; ctts_entries[entries].count = 1; } } entries++; atom_size = 16 + (entries * 8); avio_wb32(pb, atom_size); ffio_wfourcc(pb, "ctts"); avio_wb32(pb, 0); avio_wb32(pb, entries); for (i = 0; i < entries; i++) { avio_wb32(pb, ctts_entries[i].count); avio_wb32(pb, ctts_entries[i].duration); } av_free(ctts_entries); return atom_size; }
https://github.com/libav/libav/blob/558b20d729bc296d8e6a69f03cd509ad26a4827d/libavformat/movenc.c/#L1136
d2a_code_data_42080
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; void *ret; lh->error = 0; rn = getrn(lh, data, &hash); if (*rn == NULL) { lh->num_no_delete++; return (NULL); } else { nn = *rn; *rn = nn->next; ret = nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes))) contract(lh); return (ret); }
https://github.com/openssl/openssl/blob/1fb9fdc3027b27d8eb6a1e6a846435b070980770/crypto/lhash/lhash.c/#L123
d2a_code_data_42081
static const char *skip_space(const char *s) { while (ossl_isspace(*s)) s++; return s; }
https://github.com/openssl/openssl/blob/bddf965d29cb4a9c4d6eeb94aa96dfa47d0cfa5d/crypto/property/property_parse.c/#L54
d2a_code_data_42082
void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift) { *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift; *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/imgconvert.c/#L386
d2a_code_data_42083
int BN_lshift(BIGNUM *r, const BIGNUM *a, int n) { int i, nw, lb, rb; BN_ULONG *t, *f; BN_ULONG l; bn_check_top(r); bn_check_top(a); if (n < 0) { BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT); return 0; } r->neg = a->neg; nw = n / BN_BITS2; if (bn_wexpand(r, a->top + nw + 1) == NULL) return (0); lb = n % BN_BITS2; rb = BN_BITS2 - lb; f = a->d; t = r->d; t[a->top + nw] = 0; if (lb == 0) for (i = a->top - 1; i >= 0; i--) t[nw + i] = f[i]; else for (i = a->top - 1; i >= 0; i--) { l = f[i]; t[nw + i + 1] |= (l >> rb) & BN_MASK2; t[nw + i] = (l << lb) & BN_MASK2; } memset(t, 0, sizeof(*t) * nw); r->top = a->top + nw + 1; bn_correct_top(r); bn_check_top(r); return (1); }
https://github.com/openssl/openssl/blob/4973a60cb92dc121fc09246bff3815afc0f8ab9a/crypto/bn/bn_shift.c/#L110
d2a_code_data_42084
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *A, *a = NULL; const BN_ULONG *B; int i; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b, BN_FLG_SECURE)) a = A = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = A = OPENSSL_zalloc(words * sizeof(*a)); if (A == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } #if 1 B = b->d; if (B != NULL) { for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) { BN_ULONG a0, a1, a2, a3; a0 = B[0]; a1 = B[1]; a2 = B[2]; a3 = B[3]; A[0] = a0; A[1] = a1; A[2] = a2; A[3] = a3; } switch (b->top & 3) { case 3: A[2] = B[2]; case 2: A[1] = B[1]; case 1: A[0] = B[0]; case 0: ; } } #else memset(A, 0, sizeof(*A) * words); memcpy(A, b->d, sizeof(b->d[0]) * b->top); #endif return (a); }
https://github.com/openssl/openssl/blob/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_lib.c/#L289
d2a_code_data_42085
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/3f97052392cb10fca5309212bf720685262ad4a6/crypto/bn/bn_ctx.c/#L273
d2a_code_data_42086
static void put_audio_specific_config(AVCodecContext *avctx) { PutBitContext pb; AACEncContext *s = avctx->priv_data; init_put_bits(&pb, avctx->extradata, avctx->extradata_size*8); put_bits(&pb, 5, 2); put_bits(&pb, 4, s->samplerate_index); put_bits(&pb, 4, avctx->channels); put_bits(&pb, 1, 0); put_bits(&pb, 1, 0); put_bits(&pb, 1, 0); put_bits(&pb, 11, 0x2b7); put_bits(&pb, 5, AOT_SBR); put_bits(&pb, 1, 0); flush_put_bits(&pb); }
https://github.com/libav/libav/blob/6a9c85944427e3c4355bce67d7f677ec69527bff/libavcodec/aacenc.c/#L158
d2a_code_data_42087
int ssl_check_clienthello_tlsext_late(SSL *s) { int ret = SSL_TLSEXT_ERR_OK; int al; if ((s->tlsext_status_type != -1) && s->ctx && s->ctx->tlsext_status_cb) { int r; CERT_PKEY *certpkey; certpkey = ssl_get_server_send_pkey(s); if (certpkey == NULL) { s->tlsext_status_expected = 0; return 1; } s->cert->key = certpkey; r = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg); switch (r) { case SSL_TLSEXT_ERR_NOACK: s->tlsext_status_expected = 0; break; case SSL_TLSEXT_ERR_OK: if (s->tlsext_ocsp_resp) s->tlsext_status_expected = 1; else s->tlsext_status_expected = 0; break; case SSL_TLSEXT_ERR_ALERT_FATAL: ret = SSL_TLSEXT_ERR_ALERT_FATAL; al = SSL_AD_INTERNAL_ERROR; goto err; } } else s->tlsext_status_expected = 0; err: switch (ret) { case SSL_TLSEXT_ERR_ALERT_FATAL: ssl3_send_alert(s,SSL3_AL_FATAL,al); return -1; case SSL_TLSEXT_ERR_ALERT_WARNING: ssl3_send_alert(s,SSL3_AL_WARNING,al); return 1; default: return 1; } }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/ssl/t1_lib.c/#L1924
d2a_code_data_42088
void RAND_add(const void *buf, int num, double randomness) { const RAND_METHOD *meth = RAND_get_rand_method(); if (meth->add != NULL) meth->add(buf, num, randomness); }
https://github.com/openssl/openssl/blob/37ca204b96b036f949b8bc8389c1f8e806e1cbec/crypto/rand/rand_lib.c/#L743
d2a_code_data_42089
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/ssl/packet.c/#L48
d2a_code_data_42090
static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose) { size_t packlen = pkt->written - sub->pwritten; if (packlen == 0 && (sub->flags & WPACKET_FLAGS_NON_ZERO_LENGTH) != 0) return 0; if (packlen == 0 && sub->flags & WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH) { if (!doclose) return 0; if ((pkt->curr - sub->lenbytes) == sub->packet_len) { pkt->written -= sub->lenbytes; pkt->curr -= sub->lenbytes; } sub->packet_len = 0; sub->lenbytes = 0; } if (sub->lenbytes > 0 && !put_value(&GETBUF(pkt)[sub->packet_len], packlen, sub->lenbytes)) return 0; if (doclose) { pkt->subs = sub->parent; OPENSSL_free(sub); } return 1; }
https://github.com/openssl/openssl/blob/424aa352458486d67e1e9cd3d3990dc06a60ba4a/ssl/packet.c/#L190
d2a_code_data_42091
static int mxf_read_primer_pack(MXFContext *mxf) { ByteIOContext *pb = mxf->fc->pb; int item_num = get_be32(pb); int item_len = get_be32(pb); if (item_len != 18) { av_log(mxf->fc, AV_LOG_ERROR, "unsupported primer pack item length\n"); return -1; } if (item_num > UINT_MAX / item_len) return -1; mxf->local_tags_count = item_num; mxf->local_tags = av_malloc(item_num*item_len); if (!mxf->local_tags) return -1; get_buffer(pb, mxf->local_tags, item_num*item_len); return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/mxf.c/#L388
d2a_code_data_42092
int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->buf->length - pkt->written < len) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/7507e73d409b8f3046d6efcc3f4c0b6208b59b64/ssl/packet.c/#L25
d2a_code_data_42093
static av_cold int output_configure(AACContext *ac, enum ChannelPosition che_pos[4][MAX_ELEM_ID], enum ChannelPosition new_che_pos[4][MAX_ELEM_ID], int channel_config, enum OCStatus oc_type) { AVCodecContext *avctx = ac->avctx; int i, type, channels = 0, ret; if (new_che_pos != che_pos) memcpy(che_pos, new_che_pos, 4 * MAX_ELEM_ID * sizeof(new_che_pos[0][0])); if (channel_config) { for (i = 0; i < tags_per_config[channel_config]; i++) { if ((ret = che_configure(ac, che_pos, aac_channel_layout_map[channel_config - 1][i][0], aac_channel_layout_map[channel_config - 1][i][1], &channels))) return ret; } memset(ac->tag_che_map, 0, 4 * MAX_ELEM_ID * sizeof(ac->che[0][0])); avctx->channel_layout = aac_channel_layout[channel_config - 1]; } else { for (i = 0; i < MAX_ELEM_ID; i++) { for (type = 0; type < 4; type++) { if ((ret = che_configure(ac, che_pos, type, i, &channels))) return ret; } } memcpy(ac->tag_che_map, ac->che, 4 * MAX_ELEM_ID * sizeof(ac->che[0][0])); avctx->channel_layout = 0; } avctx->channels = channels; ac->output_configured = oc_type; return 0; }
https://github.com/libav/libav/blob/1c69c79f2b11627cb50f1bc571de97ad8cbfefb7/libavcodec/aacdec.c/#L254
d2a_code_data_42094
static inline uint64_t get_val(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1); bc->bits >>= n; #else uint64_t ret = bc->bits >> (64 - n); bc->bits <<= n; #endif bc->bits_left -= n; return ret; }
https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139
d2a_code_data_42095
static inline void packet_forward(PACKET *pkt, size_t len) { pkt->curr += len; pkt->remaining -= len; }
https://github.com/openssl/openssl/blob/f8e0a5573820bd7318782d4954c6643ff7e58102/ssl/packet_locl.h/#L83
d2a_code_data_42096
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ MotionEstContext * const c= &s->me; const int stride= c->stride; const int uvstride= c->uvstride; const int qpel= flags&FLAG_QPEL; const int chroma= flags&FLAG_CHROMA; const int dxy= subx + (suby<<(1+qpel)); const int hx= subx + (x<<(1+qpel)); const int hy= suby + (y<<(1+qpel)); uint8_t * const * const ref= c->ref[ref_index]; uint8_t * const * const src= c->src[src_index]; int d; if(flags&FLAG_DIRECT){ assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ const int time_pp= s->pp_time; const int time_pb= s->pb_time; const int mask= 2*qpel+1; if(s->mv_type==MV_TYPE_8X8){ int i; for(i=0; i<4; i++){ int fx = c->direct_basis_mv[i][0] + hx; int fy = c->direct_basis_mv[i][1] + hy; int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); if(qpel){ c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); }else{ c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); } } }else{ int fx = c->direct_basis_mv[0][0] + hx; int fy = c->direct_basis_mv[0][1] + hy; int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); if(qpel){ c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); }else{ assert((fx>>1) + 16*s->mb_x >= -16); assert((fy>>1) + 16*s->mb_y >= -16); assert((fx>>1) + 16*s->mb_x <= s->width); assert((fy>>1) + 16*s->mb_y <= s->height); assert((bx>>1) + 16*s->mb_x >= -16); assert((by>>1) + 16*s->mb_y >= -16); assert((bx>>1) + 16*s->mb_x <= s->width); assert((by>>1) + 16*s->mb_y <= s->height); c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); } } d = cmp_func(s, c->temp, src[0], stride, 16); }else d= 256*256*256*32; }else{ int uvdxy; if(dxy){ if(qpel){ c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); if(chroma){ int cx= hx/2; int cy= hy/2; cx= (cx>>1)|(cx&1); cy= (cy>>1)|(cy&1); uvdxy= (cx&1) + 2*(cy&1); } }else{ c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= dxy | (x&1) | (2*(y&1)); } d = cmp_func(s, c->temp, src[0], stride, h); }else{ d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= (x&1) + 2*(y&1); } if(chroma){ uint8_t * const uvtemp= c->temp + 16*stride; c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); } } #if 0 if(full_pel){ const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1); score_map[index]= d; } d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor; #endif return d; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L208
d2a_code_data_42097
static int var_diamond_search(MpegEncContext * s, int *best, int dmin, int src_index, int ref_index, int const penalty_factor, int size, int h, int flags) { MotionEstContext * const c= &s->me; me_cmp_func cmpf, chroma_cmpf; int dia_size; LOAD_COMMON LOAD_COMMON2 int map_generation= c->map_generation; cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; for(dia_size=1; dia_size<=c->dia_size; dia_size++){ int dir, start, end; const int x= best[0]; const int y= best[1]; start= FFMAX(0, y + dia_size - ymax); end = FFMIN(dia_size, xmax - x + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x + dir , y + dia_size - dir); } start= FFMAX(0, x + dia_size - xmax); end = FFMIN(dia_size, y - ymin + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x + dia_size - dir, y - dir ); } start= FFMAX(0, -y + dia_size + ymin ); end = FFMIN(dia_size, x - xmin + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x - dir , y - dia_size + dir); } start= FFMAX(0, -x + dia_size + xmin ); end = FFMIN(dia_size, ymax - y + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x - dia_size + dir, y + dir ); } if(x!=best[0] || y!=best[1]) dia_size=0; #if 0 { int dx, dy, i; static int stats[8*8]; dx= FFABS(x-best[0]); dy= FFABS(y-best[1]); stats[dy*8 + dx] ++; if(256*256*256*64 % (stats[0]+1)==0){ for(i=0; i<64; i++){ if((i&7)==0) printf("\n"); printf("%6d ", stats[i]); } printf("\n"); } } #endif } return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L921
d2a_code_data_42098
int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx) { const EC_POINT *generator = NULL; EC_POINT *tmp = NULL; size_t totalnum; size_t blocksize = 0, numblocks = 0; size_t pre_points_per_block = 0; size_t i, j; int k; int r_is_inverted = 0; int r_is_at_infinity = 1; size_t *wsize = NULL; signed char **wNAF = NULL; size_t *wNAF_len = NULL; size_t max_len = 0; size_t num_val; EC_POINT **val = NULL; EC_POINT **v; EC_POINT ***val_sub = NULL; const EC_PRE_COMP *pre_comp = NULL; int num_scalar = 0; int ret = 0; if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) { if ((scalar != group->order) && (scalar != NULL) && (num == 0)) { return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx); } if ((scalar == NULL) && (num == 1) && (scalars[0] != group->order)) { return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx); } } if (scalar != NULL) { generator = EC_GROUP_get0_generator(group); if (generator == NULL) { ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR); goto err; } pre_comp = group->pre_comp.ec; if (pre_comp && pre_comp->numblocks && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) == 0)) { blocksize = pre_comp->blocksize; numblocks = (BN_num_bits(scalar) / blocksize) + 1; if (numblocks > pre_comp->numblocks) numblocks = pre_comp->numblocks; pre_points_per_block = (size_t)1 << (pre_comp->w - 1); if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } } else { pre_comp = NULL; numblocks = 1; num_scalar = 1; } } totalnum = num + numblocks; wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0])); wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0])); wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0])); val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0])); if (wNAF != NULL) wNAF[0] = NULL; if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); goto err; } num_val = 0; for (i = 0; i < num + num_scalar; i++) { size_t bits; bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar); wsize[i] = EC_window_bits_for_scalar_size(bits); num_val += (size_t)1 << (wsize[i] - 1); wNAF[i + 1] = NULL; wNAF[i] = bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i], &wNAF_len[i]); if (wNAF[i] == NULL) goto err; if (wNAF_len[i] > max_len) max_len = wNAF_len[i]; } if (numblocks) { if (pre_comp == NULL) { if (num_scalar != 1) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } } else { signed char *tmp_wNAF = NULL; size_t tmp_len = 0; if (num_scalar != 0) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } wsize[num] = pre_comp->w; tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len); if (!tmp_wNAF) goto err; if (tmp_len <= max_len) { numblocks = 1; totalnum = num + 1; wNAF[num] = tmp_wNAF; wNAF[num + 1] = NULL; wNAF_len[num] = tmp_len; val_sub[num] = pre_comp->points; } else { signed char *pp; EC_POINT **tmp_points; if (tmp_len < numblocks * blocksize) { numblocks = (tmp_len + blocksize - 1) / blocksize; if (numblocks > pre_comp->numblocks) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } totalnum = num + numblocks; } pp = tmp_wNAF; tmp_points = pre_comp->points; for (i = num; i < totalnum; i++) { if (i < totalnum - 1) { wNAF_len[i] = blocksize; if (tmp_len < blocksize) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } tmp_len -= blocksize; } else wNAF_len[i] = tmp_len; wNAF[i + 1] = NULL; wNAF[i] = OPENSSL_malloc(wNAF_len[i]); if (wNAF[i] == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); OPENSSL_free(tmp_wNAF); goto err; } memcpy(wNAF[i], pp, wNAF_len[i]); if (wNAF_len[i] > max_len) max_len = wNAF_len[i]; if (*tmp_points == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } val_sub[i] = tmp_points; tmp_points += pre_points_per_block; pp += blocksize; } OPENSSL_free(tmp_wNAF); } } } val = OPENSSL_malloc((num_val + 1) * sizeof(val[0])); if (val == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); goto err; } val[num_val] = NULL; v = val; for (i = 0; i < num + num_scalar; i++) { val_sub[i] = v; for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) { *v = EC_POINT_new(group); if (*v == NULL) goto err; v++; } } if (!(v == val + num_val)) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } if ((tmp = EC_POINT_new(group)) == NULL) goto err; for (i = 0; i < num + num_scalar; i++) { if (i < num) { if (!EC_POINT_copy(val_sub[i][0], points[i])) goto err; } else { if (!EC_POINT_copy(val_sub[i][0], generator)) goto err; } if (wsize[i] > 1) { if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx)) goto err; for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) { if (!EC_POINT_add (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx)) goto err; } } } if (!EC_POINTs_make_affine(group, num_val, val, ctx)) goto err; r_is_at_infinity = 1; for (k = max_len - 1; k >= 0; k--) { if (!r_is_at_infinity) { if (!EC_POINT_dbl(group, r, r, ctx)) goto err; } for (i = 0; i < totalnum; i++) { if (wNAF_len[i] > (size_t)k) { int digit = wNAF[i][k]; int is_neg; if (digit) { is_neg = digit < 0; if (is_neg) digit = -digit; if (is_neg != r_is_inverted) { if (!r_is_at_infinity) { if (!EC_POINT_invert(group, r, ctx)) goto err; } r_is_inverted = !r_is_inverted; } if (r_is_at_infinity) { if (!EC_POINT_copy(r, val_sub[i][digit >> 1])) goto err; r_is_at_infinity = 0; } else { if (!EC_POINT_add (group, r, r, val_sub[i][digit >> 1], ctx)) goto err; } } } } } if (r_is_at_infinity) { if (!EC_POINT_set_to_infinity(group, r)) goto err; } else { if (r_is_inverted) if (!EC_POINT_invert(group, r, ctx)) goto err; } ret = 1; err: EC_POINT_free(tmp); OPENSSL_free(wsize); OPENSSL_free(wNAF_len); if (wNAF != NULL) { signed char **w; for (w = wNAF; *w != NULL; w++) OPENSSL_free(*w); OPENSSL_free(wNAF); } if (val != NULL) { for (v = val; *v != NULL; v++) EC_POINT_clear_free(*v); OPENSSL_free(val); } OPENSSL_free(val_sub); return ret; }
https://github.com/openssl/openssl/blob/b11327929294cf825e4759d97af6f174bd6b081c/crypto/ec/ec_mult.c/#L494
d2a_code_data_42099
int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx) { BN_CTX *new_ctx = NULL; const EC_POINT *generator = NULL; EC_POINT *tmp = NULL; size_t totalnum; size_t blocksize = 0, numblocks = 0; size_t pre_points_per_block = 0; size_t i, j; int k; int r_is_inverted = 0; int r_is_at_infinity = 1; size_t *wsize = NULL; signed char **wNAF = NULL; size_t *wNAF_len = NULL; size_t max_len = 0; size_t num_val; EC_POINT **val = NULL; EC_POINT **v; EC_POINT ***val_sub = NULL; const EC_PRE_COMP *pre_comp = NULL; int num_scalar = 0; int ret = 0; if (!ec_point_is_compat(r, group)) { ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS); return 0; } if ((scalar == NULL) && (num == 0)) { return EC_POINT_set_to_infinity(group, r); } if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) { if ((scalar != NULL) && (num == 0)) { return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx); } if ((scalar == NULL) && (num == 1)) { return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx); } } for (i = 0; i < num; i++) { if (!ec_point_is_compat(points[i], group)) { ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS); return 0; } } if (ctx == NULL) { ctx = new_ctx = BN_CTX_new(); if (ctx == NULL) goto err; } if (scalar != NULL) { generator = EC_GROUP_get0_generator(group); if (generator == NULL) { ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR); goto err; } pre_comp = group->pre_comp.ec; if (pre_comp && pre_comp->numblocks && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) == 0)) { blocksize = pre_comp->blocksize; numblocks = (BN_num_bits(scalar) / blocksize) + 1; if (numblocks > pre_comp->numblocks) numblocks = pre_comp->numblocks; pre_points_per_block = (size_t)1 << (pre_comp->w - 1); if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } } else { pre_comp = NULL; numblocks = 1; num_scalar = 1; } } totalnum = num + numblocks; wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0])); wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0])); wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0])); val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0])); if (wNAF != NULL) wNAF[0] = NULL; if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); goto err; } num_val = 0; for (i = 0; i < num + num_scalar; i++) { size_t bits; bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar); wsize[i] = EC_window_bits_for_scalar_size(bits); num_val += (size_t)1 << (wsize[i] - 1); wNAF[i + 1] = NULL; wNAF[i] = bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i], &wNAF_len[i]); if (wNAF[i] == NULL) goto err; if (wNAF_len[i] > max_len) max_len = wNAF_len[i]; } if (numblocks) { if (pre_comp == NULL) { if (num_scalar != 1) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } } else { signed char *tmp_wNAF = NULL; size_t tmp_len = 0; if (num_scalar != 0) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } wsize[num] = pre_comp->w; tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len); if (!tmp_wNAF) goto err; if (tmp_len <= max_len) { numblocks = 1; totalnum = num + 1; wNAF[num] = tmp_wNAF; wNAF[num + 1] = NULL; wNAF_len[num] = tmp_len; val_sub[num] = pre_comp->points; } else { signed char *pp; EC_POINT **tmp_points; if (tmp_len < numblocks * blocksize) { numblocks = (tmp_len + blocksize - 1) / blocksize; if (numblocks > pre_comp->numblocks) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } totalnum = num + numblocks; } pp = tmp_wNAF; tmp_points = pre_comp->points; for (i = num; i < totalnum; i++) { if (i < totalnum - 1) { wNAF_len[i] = blocksize; if (tmp_len < blocksize) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } tmp_len -= blocksize; } else wNAF_len[i] = tmp_len; wNAF[i + 1] = NULL; wNAF[i] = OPENSSL_malloc(wNAF_len[i]); if (wNAF[i] == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); OPENSSL_free(tmp_wNAF); goto err; } memcpy(wNAF[i], pp, wNAF_len[i]); if (wNAF_len[i] > max_len) max_len = wNAF_len[i]; if (*tmp_points == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); OPENSSL_free(tmp_wNAF); goto err; } val_sub[i] = tmp_points; tmp_points += pre_points_per_block; pp += blocksize; } OPENSSL_free(tmp_wNAF); } } } val = OPENSSL_malloc((num_val + 1) * sizeof(val[0])); if (val == NULL) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE); goto err; } val[num_val] = NULL; v = val; for (i = 0; i < num + num_scalar; i++) { val_sub[i] = v; for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) { *v = EC_POINT_new(group); if (*v == NULL) goto err; v++; } } if (!(v == val + num_val)) { ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR); goto err; } if ((tmp = EC_POINT_new(group)) == NULL) goto err; for (i = 0; i < num + num_scalar; i++) { if (i < num) { if (!EC_POINT_copy(val_sub[i][0], points[i])) goto err; } else { if (!EC_POINT_copy(val_sub[i][0], generator)) goto err; } if (wsize[i] > 1) { if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx)) goto err; for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) { if (!EC_POINT_add (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx)) goto err; } } } if (!EC_POINTs_make_affine(group, num_val, val, ctx)) goto err; r_is_at_infinity = 1; for (k = max_len - 1; k >= 0; k--) { if (!r_is_at_infinity) { if (!EC_POINT_dbl(group, r, r, ctx)) goto err; } for (i = 0; i < totalnum; i++) { if (wNAF_len[i] > (size_t)k) { int digit = wNAF[i][k]; int is_neg; if (digit) { is_neg = digit < 0; if (is_neg) digit = -digit; if (is_neg != r_is_inverted) { if (!r_is_at_infinity) { if (!EC_POINT_invert(group, r, ctx)) goto err; } r_is_inverted = !r_is_inverted; } if (r_is_at_infinity) { if (!EC_POINT_copy(r, val_sub[i][digit >> 1])) goto err; r_is_at_infinity = 0; } else { if (!EC_POINT_add (group, r, r, val_sub[i][digit >> 1], ctx)) goto err; } } } } } if (r_is_at_infinity) { if (!EC_POINT_set_to_infinity(group, r)) goto err; } else { if (r_is_inverted) if (!EC_POINT_invert(group, r, ctx)) goto err; } ret = 1; err: BN_CTX_free(new_ctx); EC_POINT_free(tmp); OPENSSL_free(wsize); OPENSSL_free(wNAF_len); if (wNAF != NULL) { signed char **w; for (w = wNAF; *w != NULL; w++) OPENSSL_free(*w); OPENSSL_free(wNAF); } if (val != NULL) { for (v = val; *v != NULL; v++) EC_POINT_clear_free(*v); OPENSSL_free(val); } OPENSSL_free(val_sub); return ret; }
https://github.com/openssl/openssl/blob/66b0bca887eb4ad1f5758e56c45905fb3fc36667/crypto/ec/ec_mult.c/#L638
d2a_code_data_42100
void BN_CTX_end(BN_CTX *ctx) { if (ctx == NULL) return; assert(ctx->depth > 0); if (ctx->depth == 0) BN_CTX_start(ctx); ctx->too_many = 0; ctx->depth--; if (ctx->depth < BN_CTX_NUM_POS) ctx->tos = ctx->pos[ctx->depth]; }
https://github.com/openssl/openssl/blob/ae1bb4e572e02ce73d54c05ce18e872c36da2d35/crypto/bn/bn_ctx.c/#L143
d2a_code_data_42101
static int opt_streamid(const char *opt, const char *arg) { int idx; char *p; char idx_str[16]; strncpy(idx_str, arg, sizeof(idx_str)); idx_str[sizeof(idx_str)-1] = '\0'; p = strchr(idx_str, ':'); if (!p) { fprintf(stderr, "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", arg, opt); ffmpeg_exit(1); } *p++ = '\0'; idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1); streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); return 0; }
https://github.com/libav/libav/blob/87e4d9b252bc6fa3b982f7050013069c9dc3e05b/ffmpeg.c/#L3696
d2a_code_data_42102
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268
d2a_code_data_42103
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/793f19e47c69558e39c702da75c27e0509baf379/crypto/bn/bn_lib.c/#L232
d2a_code_data_42104
int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n) { int i; BN_ULONG aa, bb; aa = a[n - 1]; bb = b[n - 1]; if (aa != bb) return ((aa > bb) ? 1 : -1); for (i = n - 2; i >= 0; i--) { aa = a[i]; bb = b[i]; if (aa != bb) return ((aa > bb) ? 1 : -1); } return (0); }
https://github.com/openssl/openssl/blob/2f3930bc0edbfdc7718f709b856fa53f0ec57cde/crypto/bn/bn_lib.c/#L787
d2a_code_data_42105
static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts) { InputStream *ist = s->opaque; const enum AVPixelFormat *p; int ret; for (p = pix_fmts; *p != -1; p++) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p); const HWAccel *hwaccel; if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) break; hwaccel = get_hwaccel(*p); if (!hwaccel || (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) || (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id)) continue; ret = hwaccel->init(s); if (ret < 0) { if (ist->hwaccel_id == hwaccel->id) { av_log(NULL, AV_LOG_FATAL, "%s hwaccel requested for input stream #%d:%d, " "but cannot be initialized.\n", hwaccel->name, ist->file_index, ist->st->index); exit_program(1); } continue; } ist->active_hwaccel_id = hwaccel->id; ist->hwaccel_pix_fmt = *p; break; } return *p; }
https://github.com/libav/libav/blob/dc0c70e018f6b04488333e7e26ec26359e614e4e/avconv.c/#L1494
d2a_code_data_42106
int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k) { EVP_PKEY *xk = NULL; int ok = 0; xk = X509_REQ_get_pubkey(x); switch (EVP_PKEY_cmp(xk, k)) { case 1: ok = 1; break; case 0: X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_VALUES_MISMATCH); break; case -1: X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH); break; case -2: #ifndef OPENSSL_NO_EC if (EVP_PKEY_id(k) == EVP_PKEY_EC) { X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB); break; } #endif #ifndef OPENSSL_NO_DH if (EVP_PKEY_id(k) == EVP_PKEY_DH) { X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_CANT_CHECK_DH_KEY); break; } #endif X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE); } EVP_PKEY_free(xk); return ok; }
https://github.com/openssl/openssl/blob/c3612970465d0a13f2fc5b47bc28ca18516a699d/crypto/x509/x509_req.c/#L88
d2a_code_data_42107
int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy) { int rv, start_idx, i; if (x == NULL) { x = sk_X509_value(sk, 0); start_idx = 1; } else start_idx = 0; rv = ssl_security_cert(s, NULL, x, vfy, 1); if (rv != 1) return rv; for (i = start_idx; i < sk_X509_num(sk); i++) { x = sk_X509_value(sk, i); rv = ssl_security_cert(s, NULL, x, vfy, 0); if (rv != 1) return rv; } return 1; }
https://github.com/openssl/openssl/blob/de451856f08364ad6c6659b6eacbe820edc2aab9/ssl/t1_lib.c/#L4077
d2a_code_data_42108
static int kek_unwrap_key(unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx) { size_t blocklen = EVP_CIPHER_CTX_block_size(ctx); unsigned char *tmp; int outl, rv = 0; if (inlen < 2 * blocklen) { return 0; } if (inlen % blocklen) { return 0; } tmp = OPENSSL_malloc(inlen); if (tmp == NULL) return 0; if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl, in + inlen - 2 * blocklen, blocklen * 2) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp + inlen - blocklen, blocklen) || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen) || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen)) goto err; if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) { goto err; } if (inlen < (size_t)(tmp[0] - 4)) { goto err; } *outlen = (size_t)tmp[0]; memcpy(out, tmp + 4, *outlen); rv = 1; err: OPENSSL_clear_free(tmp, inlen); return rv; }
https://github.com/openssl/openssl/blob/846ec07d904f9cc81d486db0db14fb84f61ff6e5/crypto/cms/cms_pwri.c/#L258
d2a_code_data_42109
static int run_cert(X509 *crt, const char *nameincert, const struct set_name_fn *fn) { const char *const *pname = names; int failed = 0; for (; *pname != NULL; ++pname) { int samename = strcasecmp(nameincert, *pname) == 0; size_t namelen = strlen(*pname); char *name = OPENSSL_malloc(namelen); int match, ret; memcpy(name, *pname, namelen); match = -1; if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen, 0, NULL), 0)) { failed = 1; } else if (fn->host) { if (ret == 1 && !samename) match = 1; if (ret == 0 && samename) match = 0; } else if (ret == 1) match = 1; if (!TEST_true(check_message(fn, "host", nameincert, match, *pname))) failed = 1; match = -1; if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen, X509_CHECK_FLAG_NO_WILDCARDS, NULL), 0)) { failed = 1; } else if (fn->host) { if (ret == 1 && !samename) match = 1; if (ret == 0 && samename) match = 0; } else if (ret == 1) match = 1; if (!TEST_true(check_message(fn, "host-no-wildcards", nameincert, match, *pname))) failed = 1; match = -1; ret = X509_check_email(crt, name, namelen, 0); if (fn->email) { if (ret && !samename) match = 1; if (!ret && samename && strchr(nameincert, '@') != NULL) match = 0; } else if (ret) match = 1; if (!TEST_true(check_message(fn, "email", nameincert, match, *pname))) failed = 1; OPENSSL_free(name); } return failed == 0; }
https://github.com/openssl/openssl/blob/2b1aa1988189773497d6edba443cf77f5c31feba/test/v3nametest.c/#L295
d2a_code_data_42110
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353
d2a_code_data_42111
static int estimate_stereo_mode(int32_t *left_ch, int32_t *right_ch, int n) { int i, best; int32_t lt, rt; uint64_t sum[4]; uint64_t score[4]; sum[0] = sum[1] = sum[2] = sum[3] = 0; for (i = 2; i < n; i++) { lt = left_ch[i] - 2 * left_ch[i - 1] + left_ch[i - 2]; rt = right_ch[i] - 2 * right_ch[i - 1] + right_ch[i - 2]; sum[2] += FFABS((lt + rt) >> 1); sum[3] += FFABS(lt - rt); sum[0] += FFABS(lt); sum[1] += FFABS(rt); } score[0] = sum[0] + sum[1]; score[1] = sum[0] + sum[3]; score[2] = sum[1] + sum[3]; score[3] = sum[2] + sum[3]; best = 0; for (i = 1; i < 4; i++) { if (score[i] < score[best]) best = i; } return best; }
https://github.com/libav/libav/blob/a8cb1746c5b6307b2e820f965a7da8d907893b38/libavcodec/alacenc.c/#L191
d2a_code_data_42112
static int mxf_write_header(AVFormatContext *s) { MXFContext *mxf = s->priv_data; int i; uint8_t present[sizeof(mxf_essence_container_uls)/ sizeof(*mxf_essence_container_uls)] = {0}; for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; MXFStreamContext *sc = av_mallocz(sizeof(*sc)); if (!sc) return AVERROR(ENOMEM); st->priv_data = sc; if (st->codec->codec_type == CODEC_TYPE_VIDEO) av_set_pts_info(st, 64, 1, st->codec->time_base.den); else if (st->codec->codec_type == CODEC_TYPE_AUDIO) av_set_pts_info(st, 64, 1, st->codec->sample_rate); sc->duration = -1; sc->index = mxf_get_essence_container_ul_index(st->codec->codec_id); if (sc->index == -1) { av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, " "codec not currently supported in container\n", i); return -1; } if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) { if (st->codec->profile == FF_PROFILE_UNKNOWN || st->codec->level == FF_LEVEL_UNKNOWN) { av_log(s, AV_LOG_ERROR, "track %d: profile and level must be set for mpeg-2\n", i); return -1; } sc->codec_ul = mxf_get_mpeg2_codec_ul(st->codec); if (!sc->codec_ul) { av_log(s, AV_LOG_ERROR, "track %d: could not find codec ul for mpeg-2, " "unsupported profile/level\n", i); return -1; } } else sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul; if (!present[sc->index]) { mxf->essence_containers_indices[mxf->essence_container_count++] = sc->index; present[sc->index] = 1; } else present[sc->index]++; memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15); sc->track_essence_element_key[15] = present[sc->index]; PRINT_KEY(s, "track essence element key", sc->track_essence_element_key); } mxf_write_partition(s, 1, header_open_partition_key, 1); return 0; }
https://github.com/libav/libav/blob/f0319383436e1abc3fc1464fe4e5f4dc40db3419/libavformat/mxfenc.c/#L793
d2a_code_data_42113
void bn_mul_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2, int dna, int dnb, BN_ULONG *t) { int n = n2 / 2, c1, c2; int tna = n + dna, tnb = n + dnb; unsigned int neg, zero; BN_ULONG ln, lo, *p; # ifdef BN_MUL_COMBA # if 0 if (n2 == 4) { bn_mul_comba4(r, a, b); return; } # endif if (n2 == 8 && dna == 0 && dnb == 0) { bn_mul_comba8(r, a, b); return; } # endif if (n2 < BN_MUL_RECURSIVE_SIZE_NORMAL) { bn_mul_normal(r, a, n2 + dna, b, n2 + dnb); if ((dna + dnb) < 0) memset(&r[2 * n2 + dna + dnb], 0, sizeof(BN_ULONG) * -(dna + dnb)); return; } c1 = bn_cmp_part_words(a, &(a[n]), tna, n - tna); c2 = bn_cmp_part_words(&(b[n]), b, tnb, tnb - n); zero = neg = 0; switch (c1 * 3 + c2) { case -4: bn_sub_part_words(t, &(a[n]), a, tna, tna - n); bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb); break; case -3: zero = 1; break; case -2: bn_sub_part_words(t, &(a[n]), a, tna, tna - n); bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n); neg = 1; break; case -1: case 0: case 1: zero = 1; break; case 2: bn_sub_part_words(t, a, &(a[n]), tna, n - tna); bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb); neg = 1; break; case 3: zero = 1; break; case 4: bn_sub_part_words(t, a, &(a[n]), tna, n - tna); bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n); break; } # ifdef BN_MUL_COMBA if (n == 4 && dna == 0 && dnb == 0) { if (!zero) bn_mul_comba4(&(t[n2]), t, &(t[n])); else memset(&t[n2], 0, sizeof(*t) * 8); bn_mul_comba4(r, a, b); bn_mul_comba4(&(r[n2]), &(a[n]), &(b[n])); } else if (n == 8 && dna == 0 && dnb == 0) { if (!zero) bn_mul_comba8(&(t[n2]), t, &(t[n])); else memset(&t[n2], 0, sizeof(*t) * 16); bn_mul_comba8(r, a, b); bn_mul_comba8(&(r[n2]), &(a[n]), &(b[n])); } else # endif { p = &(t[n2 * 2]); if (!zero) bn_mul_recursive(&(t[n2]), t, &(t[n]), n, 0, 0, p); else memset(&t[n2], 0, sizeof(*t) * n2); bn_mul_recursive(r, a, b, n, 0, 0, p); bn_mul_recursive(&(r[n2]), &(a[n]), &(b[n]), n, dna, dnb, p); } c1 = (int)(bn_add_words(t, r, &(r[n2]), n2)); if (neg) { c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2)); } else { c1 += (int)(bn_add_words(&(t[n2]), &(t[n2]), t, n2)); } c1 += (int)(bn_add_words(&(r[n]), &(r[n]), &(t[n2]), n2)); if (c1) { p = &(r[n + n2]); lo = *p; ln = (lo + c1) & BN_MASK2; *p = ln; if (ln < (BN_ULONG)c1) { do { p++; lo = *p; ln = (lo + 1) & BN_MASK2; *p = ln; } while (ln == 0); } } }
https://github.com/openssl/openssl/blob/fdfb8c848679d74fd492e3b306500f2da0570c17/crypto/bn/bn_mul.c/#L477
d2a_code_data_42114
static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, long max) { const unsigned char *p = *pp; unsigned long ret = 0; int i; if (max-- < 1) return 0; if (*p == 0x80) { *inf = 1; p++; } else { *inf = 0; i = *p & 0x7f; if (*p++ & 0x80) { if (max < i + 1) return 0; while (i > 0 && *p == 0) { p++; i--; } if (i > (int)sizeof(long)) return 0; while (i > 0) { ret <<= 8; ret |= *p++; i--; } if (ret > LONG_MAX) return 0; } else ret = i; } *pp = p; *rl = (long)ret; return 1; }
https://github.com/openssl/openssl/blob/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/asn1/asn1_lib.c/#L131
d2a_code_data_42115
static int mkv_add_cuepoint(mkv_cues *cues, int stream, int64_t ts, int64_t cluster_pos) { int err; if (ts < 0) return 0; if ((err = av_reallocp_array(&cues->entries, cues->num_entries + 1, sizeof(*cues->entries))) < 0) { cues->num_entries = 0; return err; } cues->entries[cues->num_entries].pts = ts; cues->entries[cues->num_entries].tracknum = stream + 1; cues->entries[cues->num_entries++].cluster_pos = cluster_pos - cues->segment_offset; return 0; }
https://github.com/libav/libav/blob/00a63bfb87af6cf7bcdf85848830a90c7e052d41/libavformat/matroskaenc.c/#L391
d2a_code_data_42116
int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) { int rv; char *stmp, *vtmp = NULL; stmp = OPENSSL_strdup(value); if (!stmp) return -1; vtmp = strchr(stmp, ':'); if (vtmp) { *vtmp = 0; vtmp++; } rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); OPENSSL_free(stmp); return rv; }
https://github.com/openssl/openssl/blob/d53b1dd4483243a271eea7288915a1fb5293505c/apps/apps.c/#L1845
d2a_code_data_42117
static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale){ int16_t rem[64]; DECLARE_ALIGNED_16(DCTELEM, d1[64]); const int *qmat; const uint8_t *scantable= s->intra_scantable.scantable; const uint8_t *perm_scantable= s->intra_scantable.permutated; int run_tab[65]; int prev_run=0; int prev_level=0; int qmul, qadd, start_i, last_non_zero, i, dc; uint8_t * length; uint8_t * last_length; int lambda; int rle_index, run, q = 1, sum; #ifdef REFINE_STATS static int count=0; static int after_last=0; static int to_zero=0; static int from_zero=0; static int raise=0; static int lower=0; static int messed_sign=0; #endif if(basis[0][0] == 0) build_basis(s->dsp.idct_permutation); qmul= qscale*2; qadd= (qscale-1)|1; if (s->mb_intra) { if (!s->h263_aic) { if (n < 4) q = s->y_dc_scale; else q = s->c_dc_scale; } else{ q = 1; qadd=0; } q <<= RECON_SHIFT-3; dc= block[0]*q; start_i = 1; qmat = s->q_intra_matrix[qscale]; length = s->intra_ac_vlc_length; last_length= s->intra_ac_vlc_last_length; } else { dc= 0; start_i = 0; qmat = s->q_inter_matrix[qscale]; length = s->inter_ac_vlc_length; last_length= s->inter_ac_vlc_last_length; } last_non_zero = s->block_last_index[n]; #ifdef REFINE_STATS {START_TIMER #endif dc += (1<<(RECON_SHIFT-1)); for(i=0; i<64; i++){ rem[i]= dc - (orig[i]<<RECON_SHIFT); } #ifdef REFINE_STATS STOP_TIMER("memset rem[]")} #endif sum=0; for(i=0; i<64; i++){ int one= 36; int qns=4; int w; w= FFABS(weight[i]) + qns*one; w= 15 + (48*qns*one + w/2)/w; weight[i] = w; assert(w>0); assert(w<(1<<6)); sum += w*w; } lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6); #ifdef REFINE_STATS {START_TIMER #endif run=0; rle_index=0; for(i=start_i; i<=last_non_zero; i++){ int j= perm_scantable[i]; const int level= block[j]; int coeff; if(level){ if(level<0) coeff= qmul*level - qadd; else coeff= qmul*level + qadd; run_tab[rle_index++]=run; run=0; s->dsp.add_8x8basis(rem, basis[j], coeff); }else{ run++; } } #ifdef REFINE_STATS if(last_non_zero>0){ STOP_TIMER("init rem[]") } } {START_TIMER #endif for(;;){ int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0); int best_coeff=0; int best_change=0; int run2, best_unquant_change=0, analyze_gradient; #ifdef REFINE_STATS {START_TIMER #endif analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3; if(analyze_gradient){ #ifdef REFINE_STATS {START_TIMER #endif for(i=0; i<64; i++){ int w= weight[i]; d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12); } #ifdef REFINE_STATS STOP_TIMER("rem*w*w")} {START_TIMER #endif s->dsp.fdct(d1); #ifdef REFINE_STATS STOP_TIMER("dct")} #endif } if(start_i){ const int level= block[0]; int change, old_coeff; assert(s->mb_intra); old_coeff= q*level; for(change=-1; change<=1; change+=2){ int new_level= level + change; int score, new_coeff; new_coeff= q*new_level; if(new_coeff >= 2048 || new_coeff < 0) continue; score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff); if(score<best_score){ best_score= score; best_coeff= 0; best_change= change; best_unquant_change= new_coeff - old_coeff; } } } run=0; rle_index=0; run2= run_tab[rle_index++]; prev_level=0; prev_run=0; for(i=start_i; i<64; i++){ int j= perm_scantable[i]; const int level= block[j]; int change, old_coeff; if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1) break; if(level){ if(level<0) old_coeff= qmul*level - qadd; else old_coeff= qmul*level + qadd; run2= run_tab[rle_index++]; }else{ old_coeff=0; run2--; assert(run2>=0 || i >= last_non_zero ); } for(change=-1; change<=1; change+=2){ int new_level= level + change; int score, new_coeff, unquant_change; score=0; if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level)) continue; if(new_level){ if(new_level<0) new_coeff= qmul*new_level - qadd; else new_coeff= qmul*new_level + qadd; if(new_coeff >= 2048 || new_coeff <= -2048) continue; if(level){ if(level < 63 && level > -63){ if(i < last_non_zero) score += length[UNI_AC_ENC_INDEX(run, new_level+64)] - length[UNI_AC_ENC_INDEX(run, level+64)]; else score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)] - last_length[UNI_AC_ENC_INDEX(run, level+64)]; } }else{ assert(FFABS(new_level)==1); if(analyze_gradient){ int g= d1[ scantable[i] ]; if(g && (g^new_level) >= 0) continue; } if(i < last_non_zero){ int next_i= i + run2 + 1; int next_level= block[ perm_scantable[next_i] ] + 64; if(next_level&(~127)) next_level= 0; if(next_i < last_non_zero) score += length[UNI_AC_ENC_INDEX(run, 65)] + length[UNI_AC_ENC_INDEX(run2, next_level)] - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; else score += length[UNI_AC_ENC_INDEX(run, 65)] + last_length[UNI_AC_ENC_INDEX(run2, next_level)] - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; }else{ score += last_length[UNI_AC_ENC_INDEX(run, 65)]; if(prev_level){ score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)] - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; } } } }else{ new_coeff=0; assert(FFABS(level)==1); if(i < last_non_zero){ int next_i= i + run2 + 1; int next_level= block[ perm_scantable[next_i] ] + 64; if(next_level&(~127)) next_level= 0; if(next_i < last_non_zero) score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] - length[UNI_AC_ENC_INDEX(run2, next_level)] - length[UNI_AC_ENC_INDEX(run, 65)]; else score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] - last_length[UNI_AC_ENC_INDEX(run2, next_level)] - length[UNI_AC_ENC_INDEX(run, 65)]; }else{ score += -last_length[UNI_AC_ENC_INDEX(run, 65)]; if(prev_level){ score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)] - length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; } } } score *= lambda; unquant_change= new_coeff - old_coeff; assert((score < 100*lambda && score > -100*lambda) || lambda==0); score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change); if(score<best_score){ best_score= score; best_coeff= i; best_change= change; best_unquant_change= unquant_change; } } if(level){ prev_level= level + 64; if(prev_level&(~127)) prev_level= 0; prev_run= run; run=0; }else{ run++; } } #ifdef REFINE_STATS STOP_TIMER("iterative step")} #endif if(best_change){ int j= perm_scantable[ best_coeff ]; block[j] += best_change; if(best_coeff > last_non_zero){ last_non_zero= best_coeff; assert(block[j]); #ifdef REFINE_STATS after_last++; #endif }else{ #ifdef REFINE_STATS if(block[j]){ if(block[j] - best_change){ if(FFABS(block[j]) > FFABS(block[j] - best_change)){ raise++; }else{ lower++; } }else{ from_zero++; } }else{ to_zero++; } #endif for(; last_non_zero>=start_i; last_non_zero--){ if(block[perm_scantable[last_non_zero]]) break; } } #ifdef REFINE_STATS count++; if(256*256*256*64 % count == 0){ printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number); } #endif run=0; rle_index=0; for(i=start_i; i<=last_non_zero; i++){ int j= perm_scantable[i]; const int level= block[j]; if(level){ run_tab[rle_index++]=run; run=0; }else{ run++; } } s->dsp.add_8x8basis(rem, basis[j], best_unquant_change); }else{ break; } } #ifdef REFINE_STATS if(last_non_zero>0){ STOP_TIMER("iterative search") } } #endif return last_non_zero; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L3350
d2a_code_data_42118
static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; if(!name) return CODEC_ID_NONE; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { fprintf(stderr, "Unknown %s '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->type != type) { fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->capabilities & CODEC_CAP_EXPERIMENTAL && strict > FF_COMPLIANCE_EXPERIMENTAL) { fprintf(stderr, "%s '%s' is experimental and might produce bad " "results.\nAdd '-strict experimental' if you want to use it.\n", codec_string, codec->name); codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) fprintf(stderr, "Or use the non experimental %s '%s'.\n", codec_string, codec->name); ffmpeg_exit(1); } return codec->id; }
https://github.com/libav/libav/blob/eced8fa02ea237abd9c6a6e9287bb7524addb8f4/ffmpeg.c/#L2954
d2a_code_data_42119
static int kek_unwrap_key(unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx) { size_t blocklen = EVP_CIPHER_CTX_block_size(ctx); unsigned char *tmp; int outl, rv = 0; if (inlen < 2 * blocklen) { return 0; } if (inlen % blocklen) { return 0; } tmp = OPENSSL_malloc(inlen); if (tmp == NULL) return 0; if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl, in + inlen - 2 * blocklen, blocklen * 2) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp + inlen - blocklen, blocklen) || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen) || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen)) goto err; if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) { goto err; } if (inlen < (size_t)(tmp[0] - 4)) { goto err; } *outlen = (size_t)tmp[0]; memcpy(out, tmp + 4, *outlen); rv = 1; err: OPENSSL_clear_free(tmp, inlen); return rv; }
https://github.com/openssl/openssl/blob/846ec07d904f9cc81d486db0db14fb84f61ff6e5/crypto/cms/cms_pwri.c/#L267
d2a_code_data_42120
static int do_multi(int multi, int size_num) { int n; int fd[2]; int *fds; static char sep[] = ":"; fds = app_malloc(sizeof(*fds) * multi, "fd buffer for do_multi"); for (n = 0; n < multi; ++n) { if (pipe(fd) == -1) { BIO_printf(bio_err, "pipe failure\n"); exit(1); } fflush(stdout); (void)BIO_flush(bio_err); if (fork()) { close(fd[1]); fds[n] = fd[0]; } else { close(fd[0]); close(1); if (dup(fd[1]) == -1) { BIO_printf(bio_err, "dup failed\n"); exit(1); } close(fd[1]); mr = 1; usertime = 0; OPENSSL_free(fds); return 0; } printf("Forked child %d\n", n); } for (n = 0; n < multi; ++n) { FILE *f; char buf[1024]; char *p; f = fdopen(fds[n], "r"); while (fgets(buf, sizeof(buf), f)) { p = strchr(buf, '\n'); if (p) *p = '\0'; if (buf[0] != '+') { BIO_printf(bio_err, "Don't understand line '%s' from child %d\n", buf, n); continue; } printf("Got: %s from %d\n", buf, n); if (strncmp(buf, "+F:", 3) == 0) { int alg; int j; p = buf + 3; alg = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); for (j = 0; j < size_num; ++j) results[alg][j] += atof(sstrsep(&p, sep)); } else if (strncmp(buf, "+F2:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); rsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); rsa_results[k][1] += d; } # ifndef OPENSSL_NO_DSA else if (strncmp(buf, "+F3:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); dsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); dsa_results[k][1] += d; } # endif # ifndef OPENSSL_NO_EC else if (strncmp(buf, "+F4:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); ecdsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); ecdsa_results[k][1] += d; } else if (strncmp(buf, "+F5:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); ecdh_results[k][0] += d; } else if (strncmp(buf, "+F6:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); eddsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); eddsa_results[k][1] += d; } # endif else if (strncmp(buf, "+H:", 3) == 0) { ; } else BIO_printf(bio_err, "Unknown type '%s' from child %d\n", buf, n); } fclose(f); } OPENSSL_free(fds); return 1; }
https://github.com/openssl/openssl/blob/c3612970465d0a13f2fc5b47bc28ca18516a699d/apps/speed.c/#L3653
d2a_code_data_42121
static int def_load_bio(CONF *conf, BIO *in, long *line) { #define CONFBUFSIZE 512 int bufnum = 0, i, ii; BUF_MEM *buff = NULL; char *s, *p, *end; int again; long eline = 0; char btmp[DECIMAL_SIZE(eline) + 1]; CONF_VALUE *v = NULL, *tv; CONF_VALUE *sv = NULL; char *section = NULL, *buf; char *start, *psection, *pname; void *h = (void *)(conf->data); STACK_OF(BIO) *biosk = NULL; #ifndef OPENSSL_NO_POSIX_IO char *dirpath = NULL; OPENSSL_DIR_CTX *dirctx = NULL; #endif if ((buff = BUF_MEM_new()) == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB); goto err; } section = OPENSSL_strdup("default"); if (section == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } if (_CONF_new_data(conf) == 0) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } sv = _CONF_new_section(conf, section); if (sv == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); goto err; } bufnum = 0; again = 0; for (;;) { if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB); goto err; } p = &(buff->data[bufnum]); *p = '\0'; read_retry: BIO_gets(in, p, CONFBUFSIZE - 1); p[CONFBUFSIZE - 1] = '\0'; ii = i = strlen(p); if (i == 0 && !again) { BIO *parent; #ifndef OPENSSL_NO_POSIX_IO if (dirctx != NULL) { BIO *next; if ((next = get_next_file(dirpath, &dirctx)) != NULL) { BIO_vfree(in); in = next; goto read_retry; } else { OPENSSL_free(dirpath); dirpath = NULL; } } #endif if ((parent = sk_BIO_pop(biosk)) == NULL) { break; } else { BIO_vfree(in); in = parent; goto read_retry; } } again = 0; while (i > 0) { if ((p[i - 1] != '\r') && (p[i - 1] != '\n')) break; else i--; } if (ii && i == ii) again = 1; else { p[i] = '\0'; eline++; } bufnum += i; v = NULL; if (bufnum >= 1) { p = &(buff->data[bufnum - 1]); if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) { bufnum--; again = 1; } } if (again) continue; bufnum = 0; buf = buff->data; clear_comments(conf, buf); s = eat_ws(conf, buf); if (IS_EOF(conf, *s)) continue; if (*s == '[') { char *ss; s++; start = eat_ws(conf, s); ss = start; again: end = eat_alpha_numeric(conf, ss); p = eat_ws(conf, end); if (*p != ']') { if (*p != '\0' && ss != p) { ss = p; goto again; } CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_CLOSE_SQUARE_BRACKET); goto err; } *end = '\0'; if (!str_copy(conf, NULL, &section, start)) goto err; if ((sv = _CONF_get_section(conf, section)) == NULL) sv = _CONF_new_section(conf, section); if (sv == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); goto err; } continue; } else { pname = s; end = eat_alpha_numeric(conf, s); if ((end[0] == ':') && (end[1] == ':')) { *end = '\0'; end += 2; psection = pname; pname = end; end = eat_alpha_numeric(conf, end); } else { psection = section; } p = eat_ws(conf, end); if (strncmp(pname, ".include", 8) == 0 && p != pname + 8) { char *include = NULL; BIO *next; trim_ws(conf, p); if (!str_copy(conf, psection, &include, p)) goto err; #ifndef OPENSSL_NO_POSIX_IO next = process_include(include, &dirctx, &dirpath); if (include != dirpath) { OPENSSL_free(include); } #else next = BIO_new_file(include, "r"); OPENSSL_free(include); #endif if (next != NULL) { if (biosk == NULL) { if ((biosk = sk_BIO_new_null()) == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } } if (!sk_BIO_push(biosk, in)) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } in = next; } continue; } else if (*p != '=') { CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN); goto err; } *end = '\0'; p++; start = eat_ws(conf, p); trim_ws(conf, start); if ((v = OPENSSL_malloc(sizeof(*v))) == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } v->name = OPENSSL_strdup(pname); v->value = NULL; if (v->name == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } if (!str_copy(conf, psection, &(v->value), start)) goto err; if (strcmp(psection, section) != 0) { if ((tv = _CONF_get_section(conf, psection)) == NULL) tv = _CONF_new_section(conf, psection); if (tv == NULL) { CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); goto err; } } else tv = sv; if (_CONF_add_string(conf, tv, v) == 0) { CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); goto err; } v = NULL; } } BUF_MEM_free(buff); OPENSSL_free(section); sk_BIO_pop_free(biosk, BIO_vfree); return 1; err: BUF_MEM_free(buff); OPENSSL_free(section); sk_BIO_pop_free(biosk, BIO_vfree); #ifndef OPENSSL_NO_POSIX_IO OPENSSL_free(dirpath); if (dirctx != NULL) OPENSSL_DIR_end(&dirctx); #endif if (line != NULL) *line = eline; BIO_snprintf(btmp, sizeof(btmp), "%ld", eline); ERR_add_error_data(2, "line ", btmp); if (h != conf->data) { CONF_free(conf->data); conf->data = NULL; } if (v != NULL) { OPENSSL_free(v->name); OPENSSL_free(v->value); OPENSSL_free(v); } return 0; }
https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/crypto/conf/conf_def.c/#L229
d2a_code_data_42122
static int internal_verify(X509_STORE_CTX *ctx) { int ok=0,n; X509 *xs,*xi; EVP_PKEY *pkey=NULL; int (*cb)(int xok,X509_STORE_CTX *xctx); cb=ctx->verify_cb; n=sk_X509_num(ctx->chain); ctx->error_depth=n-1; n--; xi=sk_X509_value(ctx->chain,n); if (ctx->check_issued(ctx, xi, xi)) xs=xi; else { if (ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN && n == 0) { xs = xi; goto check_cert; } if (n <= 0) { ctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE; ctx->current_cert=xi; ok=cb(0,ctx); goto end; } else { n--; ctx->error_depth=n; xs=sk_X509_value(ctx->chain,n); } } while (n >= 0) { ctx->error_depth=n; if (!xs->valid && (xs != xi || (ctx->param->flags & X509_V_FLAG_CHECK_SS_SIGNATURE))) { if ((pkey=X509_get_pubkey(xi)) == NULL) { ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY; ctx->current_cert=xi; ok=(*cb)(0,ctx); if (!ok) goto end; } else if (X509_verify(xs,pkey) <= 0) { ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE; ctx->current_cert=xs; ok=(*cb)(0,ctx); if (!ok) { EVP_PKEY_free(pkey); goto end; } } EVP_PKEY_free(pkey); pkey=NULL; } xs->valid = 1; check_cert: ok = check_cert_time(ctx, xs); if (!ok) goto end; ctx->current_issuer=xi; ctx->current_cert=xs; ok=(*cb)(1,ctx); if (!ok) goto end; n--; if (n >= 0) { xi=xs; xs=sk_X509_value(ctx->chain,n); } } ok=1; end: return ok; }
https://github.com/openssl/openssl/blob/cbb67448277232c8403f96edad4931c4203e7746/crypto/x509/x509_vfy.c/#L1785
d2a_code_data_42123
int test_div_word(BIO *bp) { BIGNUM *a, *b; BN_ULONG r, s; int i; a = BN_new(); b = BN_new(); for (i = 0; i < num0; i++) { do { BN_bntest_rand(a, 512, -1, 0); BN_bntest_rand(b, BN_BITS2, -1, 0); } while (BN_is_zero(b)); s = b->d[0]; BN_copy(b, a); r = BN_div_word(b, s); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " / "); print_word(bp, s); BIO_puts(bp, " - "); } BN_print(bp, b); BIO_puts(bp, "\n"); if (!results) { BN_print(bp, a); BIO_puts(bp, " % "); print_word(bp, s); BIO_puts(bp, " - "); } print_word(bp, r); BIO_puts(bp, "\n"); } BN_mul_word(b, s); BN_add_word(b, r); BN_sub(b, a, b); if (!BN_is_zero(b)) { fprintf(stderr, "Division (word) test failed!\n"); return 0; } } BN_free(a); BN_free(b); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L577
d2a_code_data_42124
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; if (num > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (l > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); end: BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L104
d2a_code_data_42125
static int mpegps_probe(AVProbeData *p) { uint32_t code= -1; int sys=0, pspack=0, priv1=0, vid=0, audio=0, invalid=0; int i; int score=0; for(i=0; i<p->buf_size; i++){ code = (code<<8) + p->buf[i]; if ((code & 0xffffff00) == 0x100) { int pes= check_pes(p->buf+i, p->buf+p->buf_size); if(code == SYSTEM_HEADER_START_CODE) sys++; else if(code == PRIVATE_STREAM_1) priv1++; else if(code == PACK_START_CODE) pspack++; else if((code & 0xf0) == VIDEO_ID && pes) vid++; else if((code & 0xe0) == AUDIO_ID && pes) audio++; else if((code & 0xf0) == VIDEO_ID && !pes) invalid++; else if((code & 0xe0) == AUDIO_ID && !pes) invalid++; } } if(vid+audio > invalid) score= AVPROBE_SCORE_MAX/4; if(sys>invalid && sys*9 <= pspack*10) return AVPROBE_SCORE_MAX/2+2; if(priv1 + vid + audio > invalid && (priv1+vid+audio)*9 <= pspack*10) return AVPROBE_SCORE_MAX/2+2; if((!!vid ^ !!audio) && (audio+vid > 1) && !sys && !pspack && p->buf_size>2048) return AVPROBE_SCORE_MAX/2+2; return score; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/mpeg.c/#L63
d2a_code_data_42126
static int opt_streamid(const char *opt, const char *arg) { int idx; char *p; char idx_str[16]; strncpy(idx_str, arg, sizeof(idx_str)); idx_str[sizeof(idx_str)-1] = '\0'; p = strchr(idx_str, ':'); if (!p) { fprintf(stderr, "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", arg, opt); ffmpeg_exit(1); } *p++ = '\0'; idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1); streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); return 0; }
https://github.com/libav/libav/blob/129983408d0d064db656742a3d3d4c038420f48c/ffmpeg.c/#L3659
d2a_code_data_42127
uint32_t ngx_utf8_decode(u_char **p, size_t n) { size_t len; uint32_t u, i, valid; u = **p; if (u > 0xf0) { u &= 0x07; valid = 0xffff; len = 3; } else if (u > 0xe0) { u &= 0x0f; valid = 0x7ff; len = 2; } else if (u > 0xc0) { u &= 0x1f; valid = 0x7f; len = 1; } else { (*p)++; return 0xffffffff; } if (n - 1 < len) { return 0xfffffffe; } (*p)++; while (len) { i = *(*p)++; if (i < 0x80) { return 0xffffffff; } u = (u << 6) | (i & 0x3f); len--; } if (u > valid) { return u; } return 0xffffffff; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L1112
d2a_code_data_42128
void parse_options(int argc, char **argv, const OptionDef *options, void (* parse_arg_function)(const char*)) { const char *opt, *arg; int optindex, handleoptions=1; const OptionDef *po; optindex = 1; while (optindex < argc) { opt = argv[optindex++]; if (handleoptions && opt[0] == '-' && opt[1] != '\0') { if (opt[1] == '-' && opt[2] == '\0') { handleoptions = 0; continue; } po= find_option(options, opt + 1); if (!po->name) po= find_option(options, "default"); if (!po->name) { unknown_opt: fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt); exit(1); } arg = NULL; if (po->flags & HAS_ARG) { arg = argv[optindex++]; if (!arg) { fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt); exit(1); } } if (po->flags & OPT_STRING) { char *str; str = av_strdup(arg); *po->u.str_arg = str; } else if (po->flags & OPT_BOOL) { *po->u.int_arg = 1; } else if (po->flags & OPT_INT) { *po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX); } else if (po->flags & OPT_INT64) { *po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX); } else if (po->flags & OPT_FLOAT) { *po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0); } else if (po->flags & OPT_FUNC2) { if(po->u.func2_arg(opt+1, arg)<0) goto unknown_opt; } else { po->u.func_arg(arg); } if(po->flags & OPT_EXIT) exit(0); } else { if (parse_arg_function) parse_arg_function(opt); } } }
https://github.com/libav/libav/blob/712ca84c21a4d7faf97fa79732bf5c347ec6fbc3/cmdutils.c/#L161
d2a_code_data_42129
static ossl_inline unsigned int constant_time_is_zero(unsigned int a) { return constant_time_msb(~a & (a - 1)); }
https://github.com/openssl/openssl/blob/4c2883a9bf59c5ee31e8e2e101b3894a16c06950/include/internal/constant_time_locl.h/#L166
d2a_code_data_42130
static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom) { unsigned char *buf = NULL; int b, ret = 0, bit, bytes, mask; if (bits == 0) { if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY) goto toosmall; BN_zero(rnd); return 1; } if (bits < 0 || (bits == 1 && top > 0)) goto toosmall; bytes = (bits + 7) / 8; bit = (bits - 1) % 8; mask = 0xff << (bit + 1); buf = OPENSSL_malloc(bytes); if (buf == NULL) { BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE); goto err; } b = flag == NORMAL ? RAND_bytes(buf, bytes) : RAND_priv_bytes(buf, bytes); if (b <= 0) goto err; if (flag == TESTING) { int i; unsigned char c; for (i = 0; i < bytes; i++) { if (RAND_bytes(&c, 1) <= 0) goto err; if (c >= 128 && i > 0) buf[i] = buf[i - 1]; else if (c < 42) buf[i] = 0; else if (c < 84) buf[i] = 255; } } if (top >= 0) { if (top) { if (bit == 0) { buf[0] = 1; buf[1] |= 0x80; } else { buf[0] |= (3 << (bit - 1)); } } else { buf[0] |= (1 << bit); } } buf[0] &= ~mask; if (bottom) buf[bytes - 1] |= 1; if (!BN_bin2bn(buf, bytes, rnd)) goto err; ret = 1; err: OPENSSL_clear_free(buf, bytes); bn_check_top(rnd); return ret; toosmall: BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL); return 0; }
https://github.com/openssl/openssl/blob/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_rand.c/#L83
d2a_code_data_42131
void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len) { #ifdef POLY1305_ASM poly1305_blocks_f poly1305_blocks_p = ctx->func.blocks; #endif size_t rem, num; if ((num = ctx->num)) { rem = POLY1305_BLOCK_SIZE - num; if (len >= rem) { memcpy(ctx->data + num, inp, rem); poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1); inp += rem; len -= rem; } else { memcpy(ctx->data + num, inp, len); ctx->num = num + len; return; } } rem = len % POLY1305_BLOCK_SIZE; len -= rem; if (len >= POLY1305_BLOCK_SIZE) { poly1305_blocks(ctx->opaque, inp, len, 1); inp += len; } if (rem) memcpy(ctx->data, inp, rem); ctx->num = rem; }
https://github.com/openssl/openssl/blob/3e0076c213ec2d1149a9a89f9bc141d1a1a44630/crypto/poly1305/poly1305.c/#L484
d2a_code_data_42132
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) { int line_size; int sample_size = av_get_bytes_per_sample(sample_fmt); int planar = av_sample_fmt_is_planar(sample_fmt); if (!sample_size || nb_samples <= 0 || nb_channels <= 0) return AVERROR(EINVAL); if (!align) { if (nb_samples > INT_MAX - 31) return AVERROR(EINVAL); align = 1; nb_samples = FFALIGN(nb_samples, 32); } if (nb_channels > INT_MAX / align || (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size) return AVERROR(EINVAL); line_size = planar ? FFALIGN(nb_samples * sample_size, align) : FFALIGN(nb_samples * sample_size * nb_channels, align); if (linesize) *linesize = line_size; return planar ? line_size * nb_channels : line_size; }
https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124
d2a_code_data_42133
static int encode_thread(AVCodecContext *c, void *arg){ MpegEncContext *s= arg; int mb_x, mb_y, pdif = 0; int i, j; MpegEncContext best_s, backup_s; uint8_t bit_buf[2][MAX_MB_BYTES]; uint8_t bit_buf2[2][MAX_MB_BYTES]; uint8_t bit_buf_tex[2][MAX_MB_BYTES]; PutBitContext pb[2], pb2[2], tex_pb[2]; ff_check_alignment(); for(i=0; i<2; i++){ init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES); init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES); init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES); } s->last_bits= put_bits_count(&s->pb); s->mv_bits=0; s->misc_bits=0; s->i_tex_bits=0; s->p_tex_bits=0; s->i_count=0; s->f_count=0; s->b_count=0; s->skip_count=0; for(i=0; i<3; i++){ s->last_dc[i] = 128 << s->intra_dc_precision; s->current_picture.error[i] = 0; } s->mb_skip_run = 0; memset(s->last_mv, 0, sizeof(s->last_mv)); s->last_mv_dir = 0; switch(s->codec_id){ case CODEC_ID_H263: case CODEC_ID_H263P: case CODEC_ID_FLV1: if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER || ENABLE_FLV_ENCODER) s->gob_index = ff_h263_get_gob_height(s); break; case CODEC_ID_MPEG4: if(ENABLE_MPEG4_ENCODER && s->partitioned_frame) ff_mpeg4_init_partitions(s); break; } s->resync_mb_x=0; s->resync_mb_y=0; s->first_slice_line = 1; s->ptr_lastgob = s->pb.buf; for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { s->mb_x=0; s->mb_y= mb_y; ff_set_qscale(s, s->qscale); ff_init_block_index(s); for(mb_x=0; mb_x < s->mb_width; mb_x++) { int xy= mb_y*s->mb_stride + mb_x; int mb_type= s->mb_type[xy]; int dmin= INT_MAX; int dir; if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } if(s->data_partitioning){ if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } } s->mb_x = mb_x; s->mb_y = mb_y; ff_update_block_index(s); if(ENABLE_H261_ENCODER && s->codec_id == CODEC_ID_H261){ ff_h261_reorder_mb_index(s); xy= s->mb_y*s->mb_stride + s->mb_x; mb_type= s->mb_type[xy]; } if(s->rtp_mode){ int current_packet_size, is_gob_start; current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf); is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0; if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1; switch(s->codec_id){ case CODEC_ID_H263: case CODEC_ID_H263P: if(!s->h263_slice_structured) if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0; break; case CODEC_ID_MPEG2VIDEO: if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; case CODEC_ID_MPEG1VIDEO: if(s->mb_skip_run) is_gob_start=0; break; } if(is_gob_start){ if(s->start_mb_y != mb_y || mb_x!=0){ write_slice_end(s); if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){ ff_mpeg4_init_partitions(s); } } assert((put_bits_count(&s->pb)&7) == 0); current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob; if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){ int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y; int d= 100 / s->avctx->error_rate; if(r % d == 0){ current_packet_size=0; #ifndef ALT_BITSTREAM_WRITER s->pb.buf_ptr= s->ptr_lastgob; #endif assert(pbBufPtr(&s->pb) == s->ptr_lastgob); } } if (s->avctx->rtp_callback){ int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x; s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb); } switch(s->codec_id){ case CODEC_ID_MPEG4: if (ENABLE_MPEG4_ENCODER) { ff_mpeg4_encode_video_packet_header(s); ff_mpeg4_clean_buffers(s); } break; case CODEC_ID_MPEG1VIDEO: case CODEC_ID_MPEG2VIDEO: if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) { ff_mpeg1_encode_slice_header(s); ff_mpeg1_clean_buffers(s); } break; case CODEC_ID_H263: case CODEC_ID_H263P: if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER) h263_encode_gob_header(s, mb_y); break; } if(s->flags&CODEC_FLAG_PASS1){ int bits= put_bits_count(&s->pb); s->misc_bits+= bits - s->last_bits; s->last_bits= bits; } s->ptr_lastgob += current_packet_size; s->first_slice_line=1; s->resync_mb_x=mb_x; s->resync_mb_y=mb_y; } } if( (s->resync_mb_x == s->mb_x) && s->resync_mb_y+1 == s->mb_y){ s->first_slice_line=0; } s->mb_skipped=0; s->dquant=0; if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ int next_block=0; int pb_bits_count, pb2_bits_count, tex_pb_bits_count; copy_context_before_encode(&backup_s, s, -1); backup_s.pb= s->pb; best_s.data_partitioning= s->data_partitioning; best_s.partitioned_frame= s->partitioned_frame; if(s->data_partitioning){ backup_s.pb2= s->pb2; backup_s.tex_pb= s->tex_pb; } if(mb_type&CANDIDATE_MB_TYPE_INTER){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->p_mv_table[xy][0]; s->mv[0][0][1] = s->p_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_INTER_I){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->p_field_select_table[i][xy]; s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_INTER4V){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_8X8; s->mb_intra= 0; for(i=0; i<4; i++){ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_FORWARD){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb, &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){ s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[1][0][0] = s->b_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_back_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb, &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]); } if(mb_type&CANDIDATE_MB_TYPE_BIDIR){ s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_16X16; s->mb_intra= 0; s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){ s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){ s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){ s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(dir=0; dir<2; dir++){ for(i=0; i<2; i++){ j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; } } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(mb_type&CANDIDATE_MB_TYPE_INTRA){ s->mv_dir = 0; s->mv_type = MV_TYPE_16X16; s->mb_intra= 1; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); if(s->h263_pred || s->h263_aic){ if(best_s.mb_intra) s->mbintra_table[mb_x + mb_y*s->mb_stride]=1; else ff_clean_intra_table_entries(s); } } if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){ if(best_s.mv_type==MV_TYPE_16X16){ const int last_qp= backup_s.qscale; int qpi, qp, dc[6]; DCTELEM ac[6][16]; const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0; static const int dquant_tab[4]={-1,1,-2,2}; assert(backup_s.dquant == 0); s->mv_dir= best_s.mv_dir; s->mv_type = MV_TYPE_16X16; s->mb_intra= best_s.mb_intra; s->mv[0][0][0] = best_s.mv[0][0][0]; s->mv[0][0][1] = best_s.mv[0][0][1]; s->mv[1][0][0] = best_s.mv[1][0][0]; s->mv[1][0][1] = best_s.mv[1][0][1]; qpi = s->pict_type == FF_B_TYPE ? 2 : 0; for(; qpi<4; qpi++){ int dquant= dquant_tab[qpi]; qp= last_qp + dquant; if(qp < s->avctx->qmin || qp > s->avctx->qmax) continue; backup_s.dquant= dquant; if(s->mb_intra && s->dc_val[0]){ for(i=0; i<6; i++){ dc[i]= s->dc_val[0][ s->block_index[i] ]; memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16); } } encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER , pb, pb2, tex_pb, &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]); if(best_s.qscale != qp){ if(s->mb_intra && s->dc_val[0]){ for(i=0; i<6; i++){ s->dc_val[0][ s->block_index[i] ]= dc[i]; memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16); } } } } } } if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){ int mx= s->b_direct_mv_table[xy][0]; int my= s->b_direct_mv_table[xy][1]; backup_s.dquant = 0; s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, mx, my); encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, &dmin, &next_block, mx, my); } if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){ backup_s.dquant = 0; s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, 0, 0); encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, &dmin, &next_block, 0, 0); } if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){ int coded=0; for(i=0; i<6; i++) coded |= s->block_last_index[i]; if(coded){ int mx,my; memcpy(s->mv, best_s.mv, sizeof(s->mv)); if(ENABLE_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){ mx=my=0; ff_mpeg4_set_direct_mv(s, mx, my); }else if(best_s.mv_dir&MV_DIR_BACKWARD){ mx= s->mv[1][0][0]; my= s->mv[1][0][1]; }else{ mx= s->mv[0][0][0]; my= s->mv[0][0][1]; } s->mv_dir= best_s.mv_dir; s->mv_type = best_s.mv_type; s->mb_intra= 0; backup_s.dquant= 0; s->skipdct=1; encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER , pb, pb2, tex_pb, &dmin, &next_block, mx, my); s->skipdct=0; } } s->current_picture.qscale_table[xy]= best_s.qscale; copy_context_after_encode(s, &best_s, -1); pb_bits_count= put_bits_count(&s->pb); flush_put_bits(&s->pb); ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count); s->pb= backup_s.pb; if(s->data_partitioning){ pb2_bits_count= put_bits_count(&s->pb2); flush_put_bits(&s->pb2); ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count); s->pb2= backup_s.pb2; tex_pb_bits_count= put_bits_count(&s->tex_pb); flush_put_bits(&s->tex_pb); ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count); s->tex_pb= backup_s.tex_pb; } s->last_bits= put_bits_count(&s->pb); if (ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) ff_h263_update_motion_val(s); if(next_block==0){ s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16); s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8); s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8); } if(s->avctx->mb_decision == FF_MB_DECISION_BITS) MPV_decode_mb(s, s->block); } else { int motion_x = 0, motion_y = 0; s->mv_type=MV_TYPE_16X16; switch(mb_type){ case CANDIDATE_MB_TYPE_INTRA: s->mv_dir = 0; s->mb_intra= 1; motion_x= s->mv[0][0][0] = 0; motion_y= s->mv[0][0][1] = 0; break; case CANDIDATE_MB_TYPE_INTER: s->mv_dir = MV_DIR_FORWARD; s->mb_intra= 0; motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0]; motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_INTER_I: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->p_field_select_table[i][xy]; s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_INTER4V: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_8X8; s->mb_intra= 0; for(i=0; i<4; i++){ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; } break; case CANDIDATE_MB_TYPE_DIRECT: if (ENABLE_MPEG4_ENCODER) { s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; s->mb_intra= 0; motion_x=s->b_direct_mv_table[xy][0]; motion_y=s->b_direct_mv_table[xy][1]; ff_mpeg4_set_direct_mv(s, motion_x, motion_y); } break; case CANDIDATE_MB_TYPE_DIRECT0: if (ENABLE_MPEG4_ENCODER) { s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; s->mb_intra= 0; ff_mpeg4_set_direct_mv(s, 0, 0); } break; case CANDIDATE_MB_TYPE_BIDIR: s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mb_intra= 0; s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_BACKWARD: s->mv_dir = MV_DIR_BACKWARD; s->mb_intra= 0; motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0]; motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_FORWARD: s->mv_dir = MV_DIR_FORWARD; s->mb_intra= 0; motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; break; case CANDIDATE_MB_TYPE_FORWARD_I: s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_BACKWARD_I: s->mv_dir = MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(i=0; i<2; i++){ j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; } break; case CANDIDATE_MB_TYPE_BIDIR_I: s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; s->mv_type = MV_TYPE_FIELD; s->mb_intra= 0; for(dir=0; dir<2; dir++){ for(i=0; i<2; i++){ j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; } } break; default: av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n"); } encode_mb(s, motion_x, motion_y); s->last_mv_dir = s->mv_dir; if (ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) ff_h263_update_motion_val(s); MPV_decode_mb(s, s->block); } if(s->mb_intra ){ s->p_mv_table[xy][0]=0; s->p_mv_table[xy][1]=0; } if(s->flags&CODEC_FLAG_PSNR){ int w= 16; int h= 16; if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; s->current_picture.error[0] += sse( s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize); s->current_picture.error[1] += sse( s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8, s->dest[1], w>>1, h>>1, s->uvlinesize); s->current_picture.error[2] += sse( s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8, s->dest[2], w>>1, h>>1, s->uvlinesize); } if(s->loop_filter){ if(ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263) ff_h263_loop_filter(s); } } } if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE) msmpeg4_encode_ext_header(s); write_slice_end(s); if (s->avctx->rtp_callback) { int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x; pdif = pbBufPtr(&s->pb) - s->ptr_lastgob; emms_c(); s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb); } return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L2405
d2a_code_data_42134
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) { int line_size; int sample_size = av_get_bytes_per_sample(sample_fmt); int planar = av_sample_fmt_is_planar(sample_fmt); if (!sample_size || nb_samples <= 0 || nb_channels <= 0) return AVERROR(EINVAL); if (!align) { if (nb_samples > INT_MAX - 31) return AVERROR(EINVAL); align = 1; nb_samples = FFALIGN(nb_samples, 32); } if (nb_channels > INT_MAX / align || (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size) return AVERROR(EINVAL); line_size = planar ? FFALIGN(nb_samples * sample_size, align) : FFALIGN(nb_samples * sample_size * nb_channels, align); if (linesize) *linesize = line_size; return planar ? line_size * nb_channels : line_size; }
https://github.com/libav/libav/blob/a7ac1a7b94447f33ae95be4d6d186e2775977f91/libavutil/samplefmt.c/#L124
d2a_code_data_42135
static const u_char * ngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size) { uint32_t a, b, c, d, e, temp; uint32_t saved_a, saved_b, saved_c, saved_d, saved_e; uint32_t words[80]; ngx_uint_t i; const u_char *p; p = data; a = ctx->a; b = ctx->b; c = ctx->c; d = ctx->d; e = ctx->e; do { saved_a = a; saved_b = b; saved_c = c; saved_d = d; saved_e = e; for (i = 0; i < 16; i++) { words[i] = GET(i); } for (i = 16; i < 80; i++) { words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14] ^ words[i - 16]); } STEP(F1, a, b, c, d, e, words[0], 0x5a827999); STEP(F1, a, b, c, d, e, words[1], 0x5a827999); STEP(F1, a, b, c, d, e, words[2], 0x5a827999); STEP(F1, a, b, c, d, e, words[3], 0x5a827999); STEP(F1, a, b, c, d, e, words[4], 0x5a827999); STEP(F1, a, b, c, d, e, words[5], 0x5a827999); STEP(F1, a, b, c, d, e, words[6], 0x5a827999); STEP(F1, a, b, c, d, e, words[7], 0x5a827999); STEP(F1, a, b, c, d, e, words[8], 0x5a827999); STEP(F1, a, b, c, d, e, words[9], 0x5a827999); STEP(F1, a, b, c, d, e, words[10], 0x5a827999); STEP(F1, a, b, c, d, e, words[11], 0x5a827999); STEP(F1, a, b, c, d, e, words[12], 0x5a827999); STEP(F1, a, b, c, d, e, words[13], 0x5a827999); STEP(F1, a, b, c, d, e, words[14], 0x5a827999); STEP(F1, a, b, c, d, e, words[15], 0x5a827999); STEP(F1, a, b, c, d, e, words[16], 0x5a827999); STEP(F1, a, b, c, d, e, words[17], 0x5a827999); STEP(F1, a, b, c, d, e, words[18], 0x5a827999); STEP(F1, a, b, c, d, e, words[19], 0x5a827999); STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1); STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1); STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc); STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc); STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6); STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6); a += saved_a; b += saved_b; c += saved_c; d += saved_d; e += saved_e; p += 64; } while (size -= 64); ctx->a = a; ctx->b = b; ctx->c = c; ctx->d = d; ctx->e = e; return p; }
https://github.com/nginx/nginx/blob/70f7141074896fb1ff3e5fc08407ea0f64f2076b/src/core/ngx_sha1.c/#L275
d2a_code_data_42136
void ngx_http_set_exten(ngx_http_request_t *r) { ngx_int_t i; ngx_str_null(&r->exten); for (i = r->uri.len - 1; i > 1; i--) { if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') { r->exten.len = r->uri.len - i - 1; r->exten.data = &r->uri.data[i + 1]; return; } else if (r->uri.data[i] == '/') { return; } } return; }
https://github.com/nginx/nginx/blob/7e52432a0518ab5abe35478aacdac4ddda05c5e5/src/http/ngx_http_core_module.c/#L1801
d2a_code_data_42137
int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *context, size_t contextlen, int use_context) { unsigned char exportsecret[EVP_MAX_MD_SIZE]; static const unsigned char exporterlabel[] = "exporter"; unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE]; const EVP_MD *md = ssl_handshake_md(s); EVP_MD_CTX *ctx = EVP_MD_CTX_new(); unsigned int hashsize, datalen; int ret = 0; if (ctx == NULL || !ossl_statem_export_allowed(s)) goto err; if (!use_context) contextlen = 0; if (EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestUpdate(ctx, context, contextlen) <= 0 || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0 || EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0 || !tls13_hkdf_expand(s, md, s->exporter_master_secret, (const unsigned char *)label, llen, data, datalen, exportsecret, hashsize) || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel, sizeof(exporterlabel) - 1, hash, hashsize, out, olen)) goto err; ret = 1; err: EVP_MD_CTX_free(ctx); return ret; }
https://github.com/openssl/openssl/blob/f39276fdff6ccc1c71bdb30a8050fa1c0bf6e20a/ssl/tls13_enc.c/#L706
d2a_code_data_42138
static void new_subtitle_stream(AVFormatContext *oc, int file_idx) { AVStream *st; AVOutputStream *ost; AVCodec *codec=NULL; AVCodecContext *subtitle_enc; enum CodecID codec_id = CODEC_ID_NONE; st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); if (!st) { fprintf(stderr, "Could not alloc stream\n"); ffmpeg_exit(1); } ost = new_output_stream(oc, file_idx); subtitle_enc = st->codec; output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); if(!subtitle_stream_copy){ if (subtitle_codec_name) { codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1, avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance); codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name); } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE); codec = avcodec_find_encoder(codec_id); } } avcodec_get_context_defaults3(st->codec, codec); ost->bitstream_filters = subtitle_bitstream_filters; subtitle_bitstream_filters= NULL; subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; if(subtitle_codec_tag) subtitle_enc->codec_tag= subtitle_codec_tag; if (oc->oformat->flags & AVFMT_GLOBALHEADER) { subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER; } if (subtitle_stream_copy) { st->stream_copy = 1; } else { subtitle_enc->codec_id = codec_id; set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); } if (subtitle_language) { av_metadata_set2(&st->metadata, "language", subtitle_language, 0); av_freep(&subtitle_language); } subtitle_disable = 0; av_freep(&subtitle_codec_name); subtitle_stream_copy = 0; }
https://github.com/libav/libav/blob/b568d6d94bda607e4ebb35be68181a8c2a9f5c50/ffmpeg.c/#L3636
d2a_code_data_42139
static void init_dequant4_coeff_table(H264Context *h){ int i,j,q,x; const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); for(i=0; i<6; i++ ){ h->dequant4_coeff[i] = h->dequant4_buffer[i]; for(j=0; j<i; j++){ if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){ h->dequant4_coeff[i] = h->dequant4_buffer[j]; break; } } if(j<i) continue; for(q=0; q<52; q++){ int shift = ff_div6[q] + 2; int idx = ff_rem6[q]; for(x=0; x<16; x++) h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] = ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] * h->pps.scaling_matrix4[i][x]) << shift; } } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L2066
d2a_code_data_42140
static void tls1_lookup_sigalg(int *phash_nid, int *psign_nid, int *psignhash_nid, const unsigned char *data) { int sign_nid, hash_nid; if (!phash_nid && !psign_nid && !psignhash_nid) return; if (phash_nid || psignhash_nid) { hash_nid = tls12_find_nid(data[0], tls12_md, sizeof(tls12_md)/sizeof(tls12_lookup)); if (phash_nid) *phash_nid = hash_nid; } if (psign_nid || psignhash_nid) { sign_nid = tls12_find_nid(data[1], tls12_sig, sizeof(tls12_sig)/sizeof(tls12_lookup)); if (psign_nid) *psign_nid = sign_nid; } if (psignhash_nid) { if (sign_nid && hash_nid) OBJ_find_sigid_by_algs(psignhash_nid, hash_nid, sign_nid); else *psignhash_nid = NID_undef; } }
https://github.com/openssl/openssl/blob/be681e123c3582f7bef18ed41b5ffa4793e8c4f7/ssl/t1_lib.c/#L2922
d2a_code_data_42141
static int epzs_motion_search4(MpegEncContext * s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2], int ref_mv_scale) { MotionEstContext * const c= &s->me; int best[2]={0, 0}; int d, dmin; int map_generation; const int penalty_factor= c->penalty_factor; const int size=1; const int h=8; const int ref_mv_stride= s->mb_stride; const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON int flags= c->flags; LOAD_COMMON2 cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; map_generation= update_map_generation(c); dmin = 1000000; if (s->first_slice_line) { CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) }else{ CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift) CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift) CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) } if(dmin>64*4){ CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16) if(s->mb_y+1<s->end_mb_y) CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) } dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags); *mx_ptr= best[0]; *my_ptr= best[1]; return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1177
d2a_code_data_42142
void ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats) { SET_COMMON_FORMATS(ctx, formats, in_formats, out_formats, ff_formats_ref, formats); }
https://github.com/libav/libav/blob/83847cc8fa97e0fc637a0962bafb837acdb6eacc/libavfilter/formats.c/#L391
d2a_code_data_42143
static int epzs_motion_search4(MpegEncContext * s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2], int ref_mv_scale) { MotionEstContext * const c= &s->me; int best[2]={0, 0}; int d, dmin; int map_generation; const int penalty_factor= c->penalty_factor; const int size=1; const int h=8; const int ref_mv_stride= s->mb_stride; const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON int flags= c->flags; LOAD_COMMON2 cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; map_generation= update_map_generation(c); dmin = 1000000; if (s->first_slice_line) { CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) }else{ CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift) CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift) CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) } if(dmin>64*4){ CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16) if(s->mb_y+1<s->end_mb_y) CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) } dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags); *mx_ptr= best[0]; *my_ptr= best[1]; return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1170
d2a_code_data_42144
static inline int check_sessionid(AVFormatContext *s, RTSPMessageHeader *request) { RTSPState *rt = s->priv_data; unsigned char *session_id = rt->session_id; if (!session_id[0]) { av_log(s, AV_LOG_WARNING, "There is no session-id at the moment\n"); return 0; } if (strcmp(session_id, request->session_id)) { av_log(s, AV_LOG_ERROR, "Unexpected session-id %s\n", request->session_id); rtsp_send_reply(s, RTSP_STATUS_SESSION, NULL, request->seq); return AVERROR_STREAM_NOT_FOUND; } return 0; }
https://github.com/libav/libav/blob/0aa907cfb1bbc647ee4b6da62fac5c89d7b4d318/libavformat/rtspdec.c/#L133
d2a_code_data_42145
static void iterative_me(SnowContext *s){ int pass, mb_x, mb_y; const int b_width = s->b_width << s->block_max_depth; const int b_height= s->b_height << s->block_max_depth; const int b_stride= b_width; int color[3]; { RangeCoder r = s->c; uint8_t state[sizeof(s->block_state)]; memcpy(state, s->block_state, sizeof(s->block_state)); for(mb_y= 0; mb_y<s->b_height; mb_y++) for(mb_x= 0; mb_x<s->b_width; mb_x++) encode_q_branch(s, 0, mb_x, mb_y); s->c = r; memcpy(s->block_state, state, sizeof(s->block_state)); } for(pass=0; pass<25; pass++){ int change= 0; for(mb_y= 0; mb_y<b_height; mb_y++){ for(mb_x= 0; mb_x<b_width; mb_x++){ int dia_change, i, j, ref; int best_rd= INT_MAX, ref_rd; BlockNode backup, ref_b; const int index= mb_x + mb_y * b_stride; BlockNode *block= &s->block[index]; BlockNode *tb = mb_y ? &s->block[index-b_stride ] : NULL; BlockNode *lb = mb_x ? &s->block[index -1] : NULL; BlockNode *rb = mb_x+1<b_width ? &s->block[index +1] : NULL; BlockNode *bb = mb_y+1<b_height ? &s->block[index+b_stride ] : NULL; BlockNode *tlb= mb_x && mb_y ? &s->block[index-b_stride-1] : NULL; BlockNode *trb= mb_x+1<b_width && mb_y ? &s->block[index-b_stride+1] : NULL; BlockNode *blb= mb_x && mb_y+1<b_height ? &s->block[index+b_stride-1] : NULL; BlockNode *brb= mb_x+1<b_width && mb_y+1<b_height ? &s->block[index+b_stride+1] : NULL; const int b_w= (MB_SIZE >> s->block_max_depth); uint8_t obmc_edged[b_w*2][b_w*2]; if(pass && (block->type & BLOCK_OPT)) continue; block->type |= BLOCK_OPT; backup= *block; if(!s->me_cache_generation) memset(s->me_cache, 0, sizeof(s->me_cache)); s->me_cache_generation += 1<<22; { int x, y; memcpy(obmc_edged, obmc_tab[s->block_max_depth], b_w*b_w*4); if(mb_x==0) for(y=0; y<b_w*2; y++) memset(obmc_edged[y], obmc_edged[y][0] + obmc_edged[y][b_w-1], b_w); if(mb_x==b_stride-1) for(y=0; y<b_w*2; y++) memset(obmc_edged[y]+b_w, obmc_edged[y][b_w] + obmc_edged[y][b_w*2-1], b_w); if(mb_y==0){ for(x=0; x<b_w*2; x++) obmc_edged[0][x] += obmc_edged[b_w-1][x]; for(y=1; y<b_w; y++) memcpy(obmc_edged[y], obmc_edged[0], b_w*2); } if(mb_y==b_height-1){ for(x=0; x<b_w*2; x++) obmc_edged[b_w*2-1][x] += obmc_edged[b_w][x]; for(y=b_w; y<b_w*2-1; y++) memcpy(obmc_edged[y], obmc_edged[b_w*2-1], b_w*2); } } if(mb_x==0 || mb_y==0 || mb_x==b_width-1 || mb_y==b_height-1){ uint8_t *src= s-> input_picture.data[0]; uint8_t *dst= s->current_picture.data[0]; const int stride= s->current_picture.linesize[0]; const int block_w= MB_SIZE >> s->block_max_depth; const int sx= block_w*mb_x - block_w/2; const int sy= block_w*mb_y - block_w/2; const int w= s->plane[0].width; const int h= s->plane[0].height; int y; for(y=sy; y<0; y++) memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2); for(y=h; y<sy+block_w*2; y++) memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2); if(sx<0){ for(y=sy; y<sy+block_w*2; y++) memcpy(dst + sx + y*stride, src + sx + y*stride, -sx); } if(sx+block_w*2 > w){ for(y=sy; y<sy+block_w*2; y++) memcpy(dst + w + y*stride, src + w + y*stride, sx+block_w*2 - w); } } for(i=0; i<3; i++) color[i]= get_dc(s, mb_x, mb_y, i); if(pass > 0 && (block->type&BLOCK_INTRA)){ int color0[3]= {block->color[0], block->color[1], block->color[2]}; check_block(s, mb_x, mb_y, color0, 1, *obmc_edged, &best_rd); }else check_block_inter(s, mb_x, mb_y, block->mx, block->my, *obmc_edged, &best_rd); ref_b= *block; ref_rd= best_rd; for(ref=0; ref < s->ref_frames; ref++){ int16_t (*mvr)[2]= &s->ref_mvs[ref][index]; if(s->ref_scores[ref][index] > s->ref_scores[ref_b.ref][index]*3/2) continue; block->ref= ref; best_rd= INT_MAX; check_block_inter(s, mb_x, mb_y, mvr[0][0], mvr[0][1], *obmc_edged, &best_rd); check_block_inter(s, mb_x, mb_y, 0, 0, *obmc_edged, &best_rd); if(tb) check_block_inter(s, mb_x, mb_y, mvr[-b_stride][0], mvr[-b_stride][1], *obmc_edged, &best_rd); if(lb) check_block_inter(s, mb_x, mb_y, mvr[-1][0], mvr[-1][1], *obmc_edged, &best_rd); if(rb) check_block_inter(s, mb_x, mb_y, mvr[1][0], mvr[1][1], *obmc_edged, &best_rd); if(bb) check_block_inter(s, mb_x, mb_y, mvr[b_stride][0], mvr[b_stride][1], *obmc_edged, &best_rd); do{ dia_change=0; for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){ for(j=0; j<i; j++){ dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my+(4*j), *obmc_edged, &best_rd); dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my-(4*j), *obmc_edged, &best_rd); dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my-(4*j), *obmc_edged, &best_rd); dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my+(4*j), *obmc_edged, &best_rd); } } }while(dia_change); do{ static const int square[8][2]= {{+1, 0},{-1, 0},{ 0,+1},{ 0,-1},{+1,+1},{-1,-1},{+1,-1},{-1,+1},}; dia_change=0; for(i=0; i<8; i++) dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+square[i][0], block->my+square[i][1], *obmc_edged, &best_rd); }while(dia_change); mvr[0][0]= block->mx; mvr[0][1]= block->my; if(ref_rd > best_rd){ ref_rd= best_rd; ref_b= *block; } } best_rd= ref_rd; *block= ref_b; #if 1 check_block(s, mb_x, mb_y, color, 1, *obmc_edged, &best_rd); #endif if(!same_block(block, &backup)){ if(tb ) tb ->type &= ~BLOCK_OPT; if(lb ) lb ->type &= ~BLOCK_OPT; if(rb ) rb ->type &= ~BLOCK_OPT; if(bb ) bb ->type &= ~BLOCK_OPT; if(tlb) tlb->type &= ~BLOCK_OPT; if(trb) trb->type &= ~BLOCK_OPT; if(blb) blb->type &= ~BLOCK_OPT; if(brb) brb->type &= ~BLOCK_OPT; change ++; } } } av_log(NULL, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change); if(!change) break; } if(s->block_max_depth == 1){ int change= 0; for(mb_y= 0; mb_y<b_height; mb_y+=2){ for(mb_x= 0; mb_x<b_width; mb_x+=2){ int i; int best_rd, init_rd; const int index= mb_x + mb_y * b_stride; BlockNode *b[4]; b[0]= &s->block[index]; b[1]= b[0]+1; b[2]= b[0]+b_stride; b[3]= b[2]+1; if(same_block(b[0], b[1]) && same_block(b[0], b[2]) && same_block(b[0], b[3])) continue; if(!s->me_cache_generation) memset(s->me_cache, 0, sizeof(s->me_cache)); s->me_cache_generation += 1<<22; init_rd= best_rd= get_4block_rd(s, mb_x, mb_y, 0); check_4block_inter(s, mb_x, mb_y, (b[0]->mx + b[1]->mx + b[2]->mx + b[3]->mx + 2) >> 2, (b[0]->my + b[1]->my + b[2]->my + b[3]->my + 2) >> 2, 0, &best_rd); for(i=0; i<4; i++) if(!(b[i]->type&BLOCK_INTRA)) check_4block_inter(s, mb_x, mb_y, b[i]->mx, b[i]->my, b[i]->ref, &best_rd); if(init_rd != best_rd) change++; } } av_log(NULL, AV_LOG_ERROR, "pass:4mv changed:%d\n", change*4); } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/snow.c/#L3071
d2a_code_data_42146
static void h261_loop_filter_c(uint8_t *src, int stride){ int x,y,xy,yz; int temp[64]; for(x=0; x<8; x++){ temp[x ] = 4*src[x ]; temp[x + 7*8] = 4*src[x + 7*stride]; } for(y=1; y<7; y++){ for(x=0; x<8; x++){ xy = y * stride + x; yz = y * 8 + x; temp[yz] = src[xy - stride] + 2*src[xy] + src[xy + stride]; } } for(y=0; y<8; y++){ src[ y*stride] = (temp[ y*8] + 2)>>2; src[7+y*stride] = (temp[7+y*8] + 2)>>2; for(x=1; x<7; x++){ xy = y * stride + x; yz = y * 8 + x; src[xy] = (temp[yz-1] + 2*temp[yz] + temp[yz+1] + 8)>>4; } } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dsputil.c/#L2911
d2a_code_data_42147
DECLAREContigPutFunc(put2bitcmaptile) { uint32** PALmap = img->PALmap; (void) x; (void) y; fromskew /= 4; while (h-- > 0) { uint32* bw; UNROLL4(w, bw = PALmap[*pp++], *cp++ = *bw++); cp += toskew; pp += fromskew; } }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_getimage.c/#L1112
d2a_code_data_42148
static char * ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_core_loc_conf_t *clcf = conf; u_char *p; ngx_int_t overwrite; ngx_str_t *value, uri, args; ngx_uint_t i, n; ngx_http_err_page_t *err; ngx_http_complex_value_t cv; ngx_http_compile_complex_value_t ccv; if (clcf->error_pages == NULL) { clcf->error_pages = ngx_array_create(cf->pool, 4, sizeof(ngx_http_err_page_t)); if (clcf->error_pages == NULL) { return NGX_CONF_ERROR; } } value = cf->args->elts; i = cf->args->nelts - 2; if (value[i].data[0] == '=') { if (i == 1) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]); return NGX_CONF_ERROR; } if (value[i].len > 1) { overwrite = ngx_atoi(&value[i].data[1], value[i].len - 1); if (overwrite == NGX_ERROR) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]); return NGX_CONF_ERROR; } } else { overwrite = 0; } n = 2; } else { overwrite = -1; n = 1; } uri = value[cf->args->nelts - 1]; ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); ccv.cf = cf; ccv.value = &uri; ccv.complex_value = &cv; if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { return NGX_CONF_ERROR; } ngx_str_null(&args); if (cv.lengths == NULL && uri.data[0] == '/') { p = (u_char *) ngx_strchr(uri.data, '?'); if (p) { cv.value.len = p - uri.data; cv.value.data = uri.data; p++; args.len = (uri.data + uri.len) - p; args.data = p; } } for (i = 1; i < cf->args->nelts - n; i++) { err = ngx_array_push(clcf->error_pages); if (err == NULL) { return NGX_CONF_ERROR; } err->status = ngx_atoi(value[i].data, value[i].len); if (err->status == NGX_ERROR || err->status == 499) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]); return NGX_CONF_ERROR; } if (err->status < 300 || err->status > 599) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "value \"%V\" must be between 300 and 599", &value[i]); return NGX_CONF_ERROR; } if (overwrite >= 0) { err->overwrite = overwrite; } else { switch (err->status) { case NGX_HTTP_TO_HTTPS: case NGX_HTTPS_CERT_ERROR: case NGX_HTTPS_NO_CERT: err->overwrite = NGX_HTTP_BAD_REQUEST; break; default: err->overwrite = err->status; break; } } err->value = cv; err->args = args; } return NGX_CONF_OK; }
https://github.com/nginx/nginx/blob/bcd78e22e97d4c870b5104d0c540caaa972176ed/src/http/ngx_http_core_module.c/#L4004
d2a_code_data_42149
static inline uint64_t get_val(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1); bc->bits >>= n; #else uint64_t ret = bc->bits >> (64 - n); bc->bits <<= n; #endif bc->bits_left -= n; return ret; }
https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139
d2a_code_data_42150
static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap) { RTSPState *rt = s->priv_data; RTSPStream *rtsp_st; int size, i, err; char *content; char url[1024]; content = av_malloc(SDP_MAX_SIZE); size = get_buffer(s->pb, content, SDP_MAX_SIZE - 1); if (size <= 0) { av_free(content); return AVERROR_INVALIDDATA; } content[size] ='\0'; sdp_parse(s, content); av_free(content); for(i=0;i<rt->nb_rtsp_streams;i++) { rtsp_st = rt->rtsp_streams[i]; snprintf(url, sizeof(url), "rtp://%s:%d?localport=%d&ttl=%d", inet_ntoa(rtsp_st->sdp_ip), rtsp_st->sdp_port, rtsp_st->sdp_port, rtsp_st->sdp_ttl); if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) { err = AVERROR_INVALIDDATA; goto fail; } if ((err = rtsp_open_transport_ctx(s, rtsp_st))) goto fail; } return 0; fail: rtsp_close_streams(rt); return err; }
https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/libavformat/rtsp.c/#L1612
d2a_code_data_42151
static int select_server_ctx(SSL *s, void *arg, int ignore) { const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); if (servername == NULL) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_NOACK; } if (strcmp(servername, "server2") == 0) { SSL_CTX *new_ctx = (SSL_CTX*)arg; SSL_set_SSL_CTX(s, new_ctx); SSL_clear_options(s, 0xFFFFFFFFL); SSL_set_options(s, SSL_CTX_get_options(new_ctx)); ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; return SSL_TLSEXT_ERR_OK; } else if (strcmp(servername, "server1") == 0) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_OK; } else if (ignore) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_NOACK; } else { return SSL_TLSEXT_ERR_ALERT_FATAL; } }
https://github.com/openssl/openssl/blob/0f5df0f1037590de12cc11eeab26fe29bf3f16a3/test/handshake_helper.c/#L113
d2a_code_data_42152
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir) { DIR *d; struct dirent *dstruct; int ret = 0; CRYPTO_w_lock(CRYPTO_LOCK_READDIR); d = opendir(dir); if(!d) { SYSerr(SYS_F_OPENDIR, get_last_sys_error()); ERR_add_error_data(3, "opendir('", dir, "')"); SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); goto err; } while((dstruct=readdir(d))) { char buf[1024]; int r; if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) { SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); goto err; } r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name); if (r <= 0 || r >= sizeof buf) goto err; if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) goto err; } ret = 1; err: CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); return ret; }
https://github.com/openssl/openssl/blob/4d29312ce198d00a69c4b0bf572c0de46778ecc9/ssl/ssl_cert.c/#L746
d2a_code_data_42153
int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->buf->length - pkt->written < len) { size_t newlen; if (pkt->buf->length > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE : pkt->buf->length * 2; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/84d5549e692e63a16fa1b11603e4098fc31746e9/ssl/packet.c/#L25