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lavc/mjpegdec: Set SAR even if no resolution is available.

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Fixes ticket #4479.
This commit is contained in:
Carl Eugen Hoyos 2016-01-27 10:23:37 +01:00
parent 69dbecf920
commit 7a90edc188
1 changed files with 5 additions and 1 deletions
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6
libavcodec/mjpegdec.c
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@ -1653,7 +1653,11 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
s->avctx->sample_aspect_ratio.num = get_bits(&s->gb, 16);
s->avctx->sample_aspect_ratio.den = get_bits(&s->gb, 16);
ff_set_sar(s->avctx, s->avctx->sample_aspect_ratio);
if ( s->avctx->sample_aspect_ratio.num <= 0
|| s->avctx->sample_aspect_ratio.den <= 0) {
s->avctx->sample_aspect_ratio.num = 0;
s->avctx->sample_aspect_ratio.den = 1;
}
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO,