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parse mpeg2 progressive frame flag 

Originally committed as revision 16889 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-01-31 06:42:47 +00:00
parent 7c7c1a76db
commit 52e5cd2b10
1 changed files with 3 additions and 0 deletions
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3
libavformat/mxfenc.c
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@ -58,6 +58,7 @@ typedef struct {
const UID *codec_ul;
int64_t duration;
int order; ///< interleaving order if dts are equal
int interlaced; ///< wether picture is interlaced
} MXFStreamContext;
typedef struct {
@ -810,6 +811,8 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt
if (i + 2 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
st->codec->profile = pkt->data[i+1] & 0x07;
st->codec->level = pkt->data[i+2] >> 4;
} else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
break;
}
}