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Add flag so muxers not needing width/height can signal this.

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Add this flag to img2 (fixes -vcodec copy to image2 in some cases)

Originally committed as revision 21773 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2010-02-12 20:35:29 +00:00
parent 3566042a0d
commit ab5a0175f5
3 changed files with 4 additions and 3 deletions
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2
libavformat/utils.c
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@ -2546,7 +2546,7 @@ int av_write_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "time base not set\n");
return -1;
}
if(st->codec->width<=0 || st->codec->height<=0){
if((st->codec->width<=0 || st->codec->height<=0) && !(s->oformat->flags & AVFMT_NODIMENSIONS)){
av_log(s, AV_LOG_ERROR, "dimensions not set\n");
return -1;
}