* [PR PATCH] ffmpeg: apply workaround for mesa vaapi bug
@ 2020-05-31 7:07 Hoshpak
2020-05-31 10:31 ` [PR PATCH] [Merged]: " Hoshpak
0 siblings, 1 reply; 2+ messages in thread
From: Hoshpak @ 2020-05-31 7:07 UTC (permalink / raw)
To: ml
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There is a new pull request by Hoshpak against master on the void-packages repository
https://github.com/Hoshpak/void-packages ffmpeg-vaapi-workaround
https://github.com/void-linux/void-packages/pull/22461
ffmpeg: apply workaround for mesa vaapi bug
Works around https://bugs.freedesktop.org/show_bug.cgi?id=105368
which causes segfaults with vaapi with some radeon card.
The patch was written by the kodi developers and sent
upstream in http://ffmpeg.org/pipermail/ffmpeg-devel/2019-March/240862.html .
A patch file from https://github.com/void-linux/void-packages/pull/22461.patch is attached
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[-- Attachment #2: github-pr-ffmpeg-vaapi-workaround-22461.patch --]
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From f2cf0c38014262248f897ef0b8fcfef5fed5744f Mon Sep 17 00:00:00 2001
From: Helmut Pozimski <helmut@pozimski.eu>
Date: Sun, 31 May 2020 09:03:48 +0200
Subject: [PATCH] ffmpeg: apply workaround for mesa vaapi bug
Works around https://bugs.freedesktop.org/show_bug.cgi?id=105368
which causes segfaults with vaapi with some radeon card.
The patch was written by the kodi developers and sent
upstream in http://ffmpeg.org/pipermail/ffmpeg-devel/2019-March/240862.html .
---
.../workaround-mesa-readeon-vaapi-bug.patch | 28 +++++++++++++++++++
srcpkgs/ffmpeg/template | 2 +-
2 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 srcpkgs/ffmpeg/patches/workaround-mesa-readeon-vaapi-bug.patch
diff --git a/srcpkgs/ffmpeg/patches/workaround-mesa-readeon-vaapi-bug.patch b/srcpkgs/ffmpeg/patches/workaround-mesa-readeon-vaapi-bug.patch
new file mode 100644
index 00000000000..4a6406c4317
--- /dev/null
+++ b/srcpkgs/ffmpeg/patches/workaround-mesa-readeon-vaapi-bug.patch
@@ -0,0 +1,28 @@
+From 811d290844206fc73dc39c3e5b67d5d895baedf8 Mon Sep 17 00:00:00 2001
+From: Rainer Hochecker <fernetmenta@online.de>
+Date: Sat, 26 Jan 2019 19:48:35 +0100
+Subject: [PATCH] avcodec/vaapi_h264: skip decode if pic has no slices
+
+This fixes / workarounds https://bugs.freedesktop.org/show_bug.cgi?id=105368.
+It was hit frequently when watching h264 channels received via DVB-X.
+Corresponding kodi bug: https://github.com/xbmc/xbmc/issues/15704
+---
+ libavcodec/vaapi_h264.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/libavcodec/vaapi_h264.c b/libavcodec/vaapi_h264.c
+index 5854587a255..f12fdc457a4 100644
+--- libavcodec/vaapi_h264.c
++++ libavcodec/vaapi_h264.c
+@@ -317,6 +317,11 @@ static int vaapi_h264_end_frame(AVCodecContext *avctx)
+ H264SliceContext *sl = &h->slice_ctx[0];
+ int ret;
+
++ if (pic->nb_slices == 0) {
++ ret = AVERROR_INVALIDDATA;
++ goto finish;
++ }
++
+ ret = ff_vaapi_decode_issue(avctx, pic);
+ if (ret < 0)
+ goto finish;
diff --git a/srcpkgs/ffmpeg/template b/srcpkgs/ffmpeg/template
index bd27f41538a..7e9f398db22 100644
--- a/srcpkgs/ffmpeg/template
+++ b/srcpkgs/ffmpeg/template
@@ -2,7 +2,7 @@
# audacity also needs to be bumped when a new ffmpeg version bumps libavformat's soname!
pkgname=ffmpeg
version=4.2.3
-revision=1
+revision=2
short_desc="Decoding, encoding and streaming software"
maintainer="Johannes <johannes.brechtmann@gmail.com>"
license="GPL-3.0-or-later"
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PR PATCH] [Merged]: ffmpeg: apply workaround for mesa vaapi bug
2020-05-31 7:07 [PR PATCH] ffmpeg: apply workaround for mesa vaapi bug Hoshpak
@ 2020-05-31 10:31 ` Hoshpak
0 siblings, 0 replies; 2+ messages in thread
From: Hoshpak @ 2020-05-31 10:31 UTC (permalink / raw)
To: ml
[-- Attachment #1: Type: text/plain, Size: 430 bytes --]
There's a merged pull request on the void-packages repository
ffmpeg: apply workaround for mesa vaapi bug
https://github.com/void-linux/void-packages/pull/22461
Description:
Works around https://bugs.freedesktop.org/show_bug.cgi?id=105368
which causes segfaults with vaapi with some radeon card.
The patch was written by the kodi developers and sent
upstream in http://ffmpeg.org/pipermail/ffmpeg-devel/2019-March/240862.html .
^ permalink raw reply [flat|nested] 2+ messages in thread
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