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| author | Diego Biurrun <diego@biurrun.de> | 2006-11-18 17:37:56 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2006-11-18 17:37:56 +0000 |
| commit | 8662900b3b19f3b2c46d572da80833a88b80ca45 (patch) | |
| tree | 786875ddc0db6c05b78f0f8b0bd4ee050e9af424 /libavformat/avidec.c | |
| parent | 9e7fd10192013dfb0d5bf21342aef1ccaaec1f8f (diff) | |
| download | ffmpeg-8662900b3b19f3b2c46d572da80833a88b80ca45.tar.gz | |
Clean up XAN DPCM hack and set codec_tag to 0 for XAN DPCM, AVI files
with XAN DPCM audio (wrongly) declare PCM audio in the header.
Originally committed as revision 7119 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/avidec.c')
| -rw-r--r-- | libavformat/avidec.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index aa82a3054e..e528af794a 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -216,7 +216,6 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap) int i, n; AVStream *st; AVIStream *ast = NULL; - int xan_video = 0; /* hack to support Xan A/V */ char str_track[4]; avi->stream_index= -1; @@ -432,8 +431,6 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap) st->codec->codec_type = CODEC_TYPE_VIDEO; st->codec->codec_tag = tag1; st->codec->codec_id = codec_get_id(codec_bmp_tags, tag1); - if (st->codec->codec_id == CODEC_ID_XAN_WC4) - xan_video = 1; st->need_parsing = 2; //only parse headers dont do slower repacketization, this is needed to get the pict type which is needed for generating correct pts // url_fskip(pb, size - 5 * 4); break; @@ -443,16 +440,18 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap) av_log(s, AV_LOG_DEBUG, "invalid sample size or block align detected\n"); if (size%2) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */ url_fskip(pb, 1); - /* special case time: To support Xan DPCM, hardcode - * the format if Xxan is the video codec */ st->need_parsing = 1; /* ADTS header is in extradata, AAC without header must be stored as exact frames, parser not needed and it will fail */ if (st->codec->codec_id == CODEC_ID_AAC && st->codec->extradata_size) st->need_parsing = 0; /* force parsing as several audio frames can be in one packet */ - if (xan_video) - st->codec->codec_id = CODEC_ID_XAN_DPCM; + /* AVI files with Xan DPCM audio (wrongly) declare PCM + * audio in the header but have Axan as stream_code_tag. */ + if (st->codec->stream_codec_tag == ff_get_fourcc("Axan")){ + st->codec->codec_id = CODEC_ID_XAN_DPCM; + st->codec->codec_tag = 0; + } break; default: st->codec->codec_type = CODEC_TYPE_DATA; |