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From 9ace07a594b55cb564b39d704835a191387ba277 Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robux4@ycbcr.xyz>
Date: Fri, 19 Jan 2018 12:55:52 +0100
Subject: [PATCH] avcodec/h264_slice: use the new SAR early when setting the
decoder
If we don't do that get_format might not be called for a while and the proper
SAR not used.
See the sample mentioned here: https://trac.videolan.org/vlc/ticket/19435
---
libavcodec/h264_slice.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index e6b7998834..319a37f5b6 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1050,8 +1050,10 @@ static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_sl
|| (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
must_reinit = 1;
- if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
+ if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio)) {
must_reinit = 1;
+ ff_set_sar(h->avctx, sps->sar);
+ }
if (!h->setup_finished) {
h->avctx->profile = ff_h264_get_profile(sps);
--
2.14.2
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