ons 2019-02-27 klockan 23:12 +0000 skrev Aidan R:
> PCM format AUD files are found in Westwood's Blade Runner game.
Do we have samples for this?
> @@ -100,6 +119,15 @@ static int wsaud_read_header(AVFormatContext *s)
> return AVERROR(ENOMEM);
>
> switch (codec) {
> + case 0:
> + if (bits_per_sample == 8) {
> + st->codecpar->codec_id = AV_CODEC_ID_PCM_U8;
> + } else {
> + st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
> + }
> + st->codecpar->bits_per_coded_sample = bits_per_sample;
> + st->codecpar->bit_rate = channels * sample_rate * bits_per_sample;
> + break;
> case 1:
> if (channels != 1) {
> avpriv_request_sample(s, "Stereo WS-SND1");
> @@ -130,20 +158,24 @@ static int wsaud_read_packet(AVFormatContext *s,
> AVPacket *pkt)
> {
> AVIOContext *pb = s->pb;
> + AUDDemuxContext *aud = s->priv_data;
> unsigned char preamble[AUD_CHUNK_PREAMBLE_SIZE];
> - unsigned int chunk_size;
> + unsigned int chunk_size, bytes_per_sample;
> int ret = 0;
> AVStream *st = s->streams[0];
>
> - if (avio_read(pb, preamble, AUD_CHUNK_PREAMBLE_SIZE) !=
> - AUD_CHUNK_PREAMBLE_SIZE)
> - return AVERROR(EIO);
> + /* AUD files don't store PCM audio in chunks */
> + if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE) {
what about u8?
/Tomas
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