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avcodec/mjpegdec: switch interlaced_polarity to 0 for PAL AVID

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0 should have been the default, this change should make no difference
but this is needed for the following bugfix

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-03-19 17:57:59 +01:00
parent 1083c479eb
commit 98f9aa389b
1 changed files with 2 additions and 0 deletions
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libavcodec/mjpegdec.c
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@@ -88,6 +88,8 @@ static void parse_avid(MJpegDecodeContext *s, uint8_t *buf, int len)
s->buggy_avid = 1;
if (len > 14 && buf[12] == 1) /* 1 - NTSC */
s->interlace_polarity = 1;
if (len > 14 && buf[12] == 2) /* 2 - PAL */
s->interlace_polarity = 0;
}
av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)