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author | Nicolas George <nicolas.george@normalesup.org> | 2012-06-18 11:39:26 +0200 |
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committer | Nicolas George <nicolas.george@normalesup.org> | 2012-07-04 18:59:39 +0200 |
commit | 8b421fad24acbba69935caf2a2775bd04f8a707a (patch) | |
tree | 5704378657cdbf522c79dea03afad52414d363a5 /libavcodec/dpx.c | |
parent | 2fc354f90d61f5f1bb75dbdd808a502dec69cf99 (diff) | |
download | ffmpeg-streaming-8b421fad24acbba69935caf2a2775bd04f8a707a.zip ffmpeg-streaming-8b421fad24acbba69935caf2a2775bd04f8a707a.tar.gz |
dpx: sanitize aspect ratio.
Fixes some samples where the ratio is declared as -1/-1.
Diffstat (limited to 'libavcodec/dpx.c')
-rw-r--r-- | libavcodec/dpx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c index dee5921..76a12aa 100644 --- a/libavcodec/dpx.c +++ b/libavcodec/dpx.c @@ -109,6 +109,12 @@ static int decode_frame(AVCodecContext *avctx, buf += 825; avctx->sample_aspect_ratio.num = read32(&buf, endian); avctx->sample_aspect_ratio.den = read32(&buf, endian); + if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) + av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den, + avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, + 0x10000); + else + avctx->sample_aspect_ratio = (AVRational){ 0, 0 }; switch (descriptor) { case 51: // RGBA |