AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, AVFormatContext *s, AVStream *st, AVCodec *codec) { AVDictionary *ret = NULL; AVDictionaryEntry *t = NULL; int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM : AV_OPT_FLAG_DECODING_PARAM; char prefix = 0; const AVClass *cc = avcodec_get_class(); if (!codec) codec = s->oformat ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id); switch (st->codec->codec_type) { case AVMEDIA_TYPE_VIDEO: prefix = 'v'; flags |= AV_OPT_FLAG_VIDEO_PARAM; break; case AVMEDIA_TYPE_AUDIO: prefix = 'a'; flags |= AV_OPT_FLAG_AUDIO_PARAM; break; case AVMEDIA_TYPE_SUBTITLE: prefix = 's'; flags |= AV_OPT_FLAG_SUBTITLE_PARAM; break; default: break; } while ((t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX))) { char *p = strchr(t->key, ':'); /* check stream specification in opt name */ if (p) switch (check_stream_specifier(s, st, p + 1)) { case 1: *p = 0; break; case 0: continue; default: return NULL; } if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) || (codec && codec->priv_class && av_opt_find(&codec->priv_class, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ))) av_dict_set(&ret, t->key, t->value, 0); else if (t->key[0] == prefix && av_opt_find(&cc, t->key + 1, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ)) av_dict_set(&ret, t->key + 1, t->value, 0); if (p) *p = ':'; } return ret; }
int plex_opt_subtitle_stream(void *optctx, const char *opt, const char *arg) { #if CONFIG_INLINEASS_FILTER InlineAssContext *m = NULL; int i, file_idx; char *p; char *map = av_strdup(arg); file_idx = strtol(map, &p, 0); if (file_idx >= nb_input_files || file_idx < 0) { av_log(NULL, AV_LOG_FATAL, "Invalid subtitle input file index: %d.\n", file_idx); goto finish; } for (i = 0; i < input_files[file_idx]->nb_streams; i++) { if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i], *p == ':' ? p + 1 : p) <= 0) continue; if (input_files[file_idx]->ctx->streams[i]->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) { av_log(NULL, AV_LOG_ERROR, "Stream '%s' is not a subtitle stream.\n", arg); continue; } GROW_ARRAY(plexContext.inlineass_ctxs, plexContext.nb_inlineass_ctxs); m = &plexContext.inlineass_ctxs[plexContext.nb_inlineass_ctxs - 1]; m->file_index = file_idx; m->stream_index = i; break; } finish: if (!m) av_log(NULL, AV_LOG_ERROR, "Subtitle stream map '%s' matches no streams.\n", arg); av_freep(&map); #endif return 0; }
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) { InputStream *ist = NULL; enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx); int i; // TODO: support other filter types if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) { av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported " "currently.\n"); exit(1); } if (in->name) { AVFormatContext *s; AVStream *st = NULL; char *p; int file_idx = strtol(in->name, &p, 0); if (file_idx < 0 || file_idx >= nb_input_files) { av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n", file_idx, fg->graph_desc); exit(1); } s = input_files[file_idx]->ctx; for (i = 0; i < s->nb_streams; i++) { if (s->streams[i]->codec->codec_type != type) continue; if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) { st = s->streams[i]; break; } } if (!st) { av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s " "matches no streams.\n", p, fg->graph_desc); exit(1); } ist = input_streams[input_files[file_idx]->ist_index + st->index]; } else { /* find the first unused stream of corresponding type */ for (i = 0; i < nb_input_streams; i++) { ist = input_streams[i]; if (ist->dec_ctx->codec_type == type && ist->discard) break; } if (i == nb_input_streams) { av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for " "unlabeled input pad %d on filter %s\n", in->pad_idx, in->filter_ctx->name); exit(1); } } av_assert0(ist); ist->discard = 0; ist->decoding_needed = 1; ist->st->discard = AVDISCARD_NONE; GROW_ARRAY(fg->inputs, fg->nb_inputs); if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0])))) exit(1); fg->inputs[fg->nb_inputs - 1]->ist = ist; fg->inputs[fg->nb_inputs - 1]->graph = fg; GROW_ARRAY(ist->filters, ist->nb_filters); ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1]; }