From 8b421fad24acbba69935caf2a2775bd04f8a707a Mon Sep 17 00:00:00 2001 From: Nicolas George Date: Mon, 18 Jun 2012 11:39:26 +0200 Subject: [PATCH] dpx: sanitize aspect ratio. Fixes some samples where the ratio is declared as -1/-1. --- libavcodec/dpx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c index dee5921ef1..76a12aa9b3 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