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authorMichael Niedermayer <michaelni@gmx.at>2012-07-31 19:20:00 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-08-04 19:37:21 +0200
commitafa6afcc9fac356eb895892511b5d8d9f416af40 (patch)
tree16e821d3aa106df11bfc264dedcb01444494d07a /libavformat/mpeg.c
parent3e1cf49676fb2df6445000c30dc6377b808b96da (diff)
mpegdemux: remove redundant dvd audio code
This is almost a revert of: (the file from the report still works) commit 80e58c6153249a40e47a20326b7626cbe0fcabd3 Author: Benoit Fouet <benoit.fouet@free.fr> Date: Wed Feb 11 11:09:36 2009 +0000 Allow demuxing of audio substreams stored as 0x06 type. Fixes issue 725: MPEG2 PS with PCM audio. On behalf of Jai. Originally committed as revision 17150 to svn://svn.ffmpeg.org/ffmpeg/trunk Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mpeg.c')
-rw-r--r--libavformat/mpeg.c25
1 files changed, 2 insertions, 23 deletions
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index c2a2f2be32..d51a6930e2 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -346,7 +346,7 @@ static int mpegps_read_pes_header(AVFormatContext *s,
else if( c!= 0xf )
goto redo;
- if (startcode == PRIVATE_STREAM_1 && !m->psm_es_type[startcode & 0xff]) {
+ if (startcode == PRIVATE_STREAM_1) {
startcode = avio_r8(s->pb);
len--;
if (startcode >= 0x80 && startcode <= 0xcf) {
@@ -391,19 +391,12 @@ static int mpegps_read_packet(AVFormatContext *s,
enum CodecID codec_id = CODEC_ID_NONE;
enum AVMediaType type;
int64_t pts, dts, dummy_pos; //dummy_pos is needed for the index building to work
- uint8_t av_uninit(dvdaudio_substream_type);
redo:
len = mpegps_read_pes_header(s, &dummy_pos, &startcode, &pts, &dts);
if (len < 0)
return len;
- if(startcode == 0x1bd) {
- dvdaudio_substream_type = avio_r8(s->pb);
- avio_skip(s->pb, 3);
- len -= 4;
- }
-
/* now find stream */
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
@@ -476,19 +469,6 @@ static int mpegps_read_packet(AVFormatContext *s,
} else if (startcode >= 0xfd55 && startcode <= 0xfd5f) {
type = AVMEDIA_TYPE_VIDEO;
codec_id = CODEC_ID_VC1;
- } else if (startcode == 0x1bd) {
- // check dvd audio substream type
- type = AVMEDIA_TYPE_AUDIO;
- switch(dvdaudio_substream_type & 0xe0) {
- case 0xa0: codec_id = CODEC_ID_PCM_DVD;
- break;
- case 0x80: if((dvdaudio_substream_type & 0xf8) == 0x88)
- codec_id = CODEC_ID_DTS;
- else codec_id = CODEC_ID_AC3;
- break;
- default: av_log(s, AV_LOG_ERROR, "Unknown 0x1bd sub-stream\n");
- goto skip;
- }
} else {
skip:
/* skip packet */
@@ -508,8 +488,7 @@ static int mpegps_read_packet(AVFormatContext *s,
found:
if(st->discard >= AVDISCARD_ALL)
goto skip;
- if ((startcode >= 0xa0 && startcode <= 0xaf) ||
- (startcode == 0x1bd && ((dvdaudio_substream_type & 0xe0) == 0xa0))) {
+ if (startcode >= 0xa0 && startcode <= 0xaf) {
int b1, freq;
/* for LPCM, we just skip the header and consider it is raw