static int aiff_read_packet(AVFormatContext *s, AVPacket *pkt) { AVStream *st = s->streams[0]; AIFFInputContext *aiff = s->priv_data; int64_t max_size; int res, size; /* calculate size of remaining data */ max_size = aiff->data_end - avio_tell(s->pb); if (max_size <= 0) return AVERROR_EOF; /* Now for that packet */ if (st->codec->block_align >= 17) // GSM, QCLP, IMA4 size = st->codec->block_align; else size = (MAX_SIZE / st->codec->block_align) * st->codec->block_align; size = FFMIN(max_size, size); res = av_get_packet(s->pb, pkt, size); if (res < 0) return res; if (size >= st->codec->block_align) pkt->flags &= ~AV_PKT_FLAG_CORRUPT; /* Only one stream in an AIFF file */ pkt->stream_index = 0; pkt->duration = (res / st->codec->block_align) * aiff->block_duration; return 0; }