static int au_read_packet(AVFormatContext *s, AVPacket *pkt) { int ret; ret= av_get_packet(s->pb, pkt, BLOCK_SIZE * s->streams[0]->codec->channels * av_get_bits_per_sample(s->streams[0]->codec->codec_id) >> 3); if (ret < 0) return ret; pkt->stream_index = 0; /* note: we need to modify the packet size here to handle the last packet */ pkt->size = ret; return 0; }