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| author | Lars Täuber <lars.taeuber@gmx.net> | 2008-05-21 02:26:42 +0000 |
|---|---|---|
| committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-05-21 02:26:42 +0000 |
| commit | 4860abb116674c7be31e825db05cdcfd30f3aff2 (patch) | |
| tree | aa2cba6c4456cbfc529d9c1d22b5e5cadc05bbe7 | |
| parent | 3e67f255a4f178623b2fdb12ece367779927f2f4 (diff) | |
| download | ffmpeg-4860abb116674c7be31e825db05cdcfd30f3aff2.tar.gz | |
support dvd pcm 20/24 bits, patch by Lars Täuber, lars.taeuber gmx net
Originally committed as revision 13206 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavformat/mpeg.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index 480c0541ca..3f508dcddf 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -474,7 +474,8 @@ static int mpegps_read_packet(AVFormatContext *s, codec_id = CODEC_ID_DTS; } else if (startcode >= 0xa0 && startcode <= 0xaf) { type = CODEC_TYPE_AUDIO; - codec_id = CODEC_ID_PCM_S16BE; + /* 16 bit form will be handled as CODEC_ID_PCM_S16BE */ + codec_id = CODEC_ID_PCM_DVD; } else if (startcode >= 0xb0 && startcode <= 0xbf) { type = CODEC_TYPE_AUDIO; codec_id = CODEC_ID_MLP; @@ -519,7 +520,14 @@ static int mpegps_read_packet(AVFormatContext *s, freq = (b1 >> 4) & 3; st->codec->sample_rate = lpcm_freq_tab[freq]; st->codec->channels = 1 + (b1 & 7); - st->codec->bit_rate = st->codec->channels * st->codec->sample_rate * 2; + st->codec->bits_per_sample = 16 + ((b1 >> 6) & 3) * 4; + st->codec->bit_rate = st->codec->channels * + st->codec->sample_rate * + st->codec->bits_per_sample; + if (st->codec->bits_per_sample == 16) + st->codec->codec_id = CODEC_ID_PCM_S16BE; + else if (st->codec->bits_per_sample == 28) + return AVERROR(EINVAL); } av_new_packet(pkt, len); get_buffer(s->pb, pkt->data, pkt->size); |