int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush, int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int), int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *)) { int i; if (pkt) { AVStream *st = s->streams[pkt->stream_index]; AudioInterleaveContext *aic = st->priv_data; if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { unsigned new_size = av_fifo_size(aic->fifo) + pkt->size; if (new_size > aic->fifo_size) { if (av_fifo_realloc2(aic->fifo, new_size) < 0) return -1; aic->fifo_size = new_size; } av_fifo_generic_write(aic->fifo, pkt->data, pkt->size, NULL); } else { // rewrite pts and dts to be decoded time line position pkt->pts = pkt->dts = aic->dts; aic->dts += pkt->duration; ff_interleave_add_packet(s, pkt, compare_ts); } pkt = NULL; } for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { AVPacket new_pkt; while (ff_interleave_new_audio_packet(s, &new_pkt, i, flush)) ff_interleave_add_packet(s, &new_pkt, compare_ts); } } return get_packet(s, out, pkt, flush); }