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ffmpeg.wasm-core
Commit 5e4aa542 authored by Baptiste Coudurier's avatar Baptiste Coudurier
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reduce display aspect ratio 

Originally committed as revision 16732 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 24d6a613
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Showing with 8 additions and 2 deletions
libavformat/mxfenc.c
View file @ 5e4aa542
...@@ -558,6 +558,7 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) ...@@ -558,6 +558,7 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
{ {
ByteIOContext *pb = s->pb; ByteIOContext *pb = s->pb;
int stored_height = (st->codec->height+15)/16*16; int stored_height = (st->codec->height+15)/16*16;
AVRational dar;
mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key); mxf_write_generic_desc(pb, st, mxf_mpegvideo_descriptor_key);
...@@ -567,9 +568,14 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st) ...@@ -567,9 +568,14 @@ static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
mxf_write_local_tag(pb, 4, 0x3202); mxf_write_local_tag(pb, 4, 0x3202);
put_be32(pb, stored_height); put_be32(pb, stored_height);
av_reduce(&dar.num, &dar.den,
st->codec->width*st->codec->sample_aspect_ratio.num,
st->codec->height*st->codec->sample_aspect_ratio.den,
1024*1024);
mxf_write_local_tag(pb, 8, 0x320E); mxf_write_local_tag(pb, 8, 0x320E);
put_be32(pb, st->codec->height * st->sample_aspect_ratio.den); put_be32(pb, dar.num);
put_be32(pb, st->codec->width * st->sample_aspect_ratio.num); put_be32(pb, dar.den);
} }
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st) static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
......
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