mirror of https://git.ffmpeg.org/ffmpeg.git
reduce display aspect ratio
Originally committed as revision 16732 to svn://svn.ffmpeg.org/ffmpeg/trunk
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24d6a613e0
commit
5e4aa542de
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@ -558,6 +558,7 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
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{
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{
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ByteIOContext *pb = s->pb;
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ByteIOContext *pb = s->pb;
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int stored_height = (st->codec->height+15)/16*16;
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int stored_height = (st->codec->height+15)/16*16;
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AVRational dar;
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mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key);
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mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key);
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@ -567,9 +568,14 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
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mxf_write_local_tag(pb, 4, 0x3202);
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mxf_write_local_tag(pb, 4, 0x3202);
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put_be32(pb, stored_height);
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put_be32(pb, stored_height);
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av_reduce(&dar.num, &dar.den,
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st->codec->width*st->codec->sample_aspect_ratio.num,
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st->codec->height*st->codec->sample_aspect_ratio.den,
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1024*1024);
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mxf_write_local_tag(pb, 8, 0x320E);
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mxf_write_local_tag(pb, 8, 0x320E);
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put_be32(pb, st->codec->height * st->sample_aspect_ratio.den);
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put_be32(pb, dar.num);
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put_be32(pb, st->codec->width * st->sample_aspect_ratio.num);
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put_be32(pb, dar.den);
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}
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}
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static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
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static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
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