From 2c6b3f357331e203ad87214984661c40704aceb7 Mon Sep 17 00:00:00 2001
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From: Rainer Hochecker <fernetmenta@online.de>
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Date: Sat, 26 Jan 2019 19:48:35 +0100
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Subject: [PATCH] avcodec/vaapi_h264: skip decode if pic has no slices
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This fixes / workarounds https://bugs.freedesktop.org/show_bug.cgi?id=105368.
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It was hit frequently when watching h264 channels received via DVB-X.
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Corresponding kodi bug: https://github.com/xbmc/xbmc/issues/15704
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Downloaded from Kodi ffmpeg repo:
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https://github.com/xbmc/FFmpeg/commit/2c6b3f357331e203ad87214984661c40704aceb7
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Patch was sent upstream:
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http://ffmpeg.org/pipermail/ffmpeg-devel/2019-March/240863.html
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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libavcodec/vaapi_h264.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/libavcodec/vaapi_h264.c b/libavcodec/vaapi_h264.c
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index dd2a6571604..e521a05c4ff 100644
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--- a/libavcodec/vaapi_h264.c
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+++ b/libavcodec/vaapi_h264.c
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@@ -314,6 +314,11 @@ static int vaapi_h264_end_frame(AVCodecContext *avctx)
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H264SliceContext *sl = &h->slice_ctx[0];
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int ret;
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+ if (pic->nb_slices == 0) {
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+ ret = AVERROR_INVALIDDATA;
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+ goto finish;
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+ }
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+
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ret = ff_vaapi_decode_issue(avctx, pic);
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if (ret < 0)
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goto finish;
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