Added extra va-api frames to vp8/9 decoder.

firefox-vaapi-extra-frames.patch

@@ -0,0 +1,14 @@
+diff -up firefox-76.0.1/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp.old firefox-76.0.1/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
+--- firefox-76.0.1/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp.old	2020-05-13 14:28:26.556800474 +0200
++++ firefox-76.0.1/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp	2020-05-13 14:28:31.562768959 +0200
+@@ -43,7 +43,7 @@ typedef int VAStatus;
+ #endif
+ 
+ // Use some extra HW frames for potential rendering lags.
+-#define EXTRA_HW_FRAMES 6
++#define EXTRA_HW_FRAMES 20
+ 
+ typedef mozilla::layers::Image Image;
+ typedef mozilla::layers::PlanarYCbCrImage PlanarYCbCrImage;
+diff -up firefox-76.0.1/media/libyuv/libyuv/tools_libyuv/autoroller/unittests/testdata/DEPS.chromium.old firefox-76.0.1/media/libyuv/libyuv/tools_libyuv/autoroller/unittests/testdata/DEPS.chromium
+diff -up firefox-76.0.1/media/webrtc/trunk/Makefile.old firefox-76.0.1/media/webrtc/trunk/Makefile

firefox.spec

@@ -118,7 +118,7 @@ ExcludeArch: aarch64
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        76.0.1
-Release:        1%{?nss_tag}%{?dist}
+Release:        2%{?nss_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -194,6 +194,7 @@ Patch581:        mozilla-1630754.patch
 Patch582:        mozilla-1619543.patch
 Patch583:        mozilla-1632059.patch
 Patch584:        firefox-disable-ffvpx-with-vapi.patch
+Patch585:        firefox-vaapi-extra-frames.patch
 
 # PGO/LTO patches
 Patch600:        pgo.patch
@@ -406,6 +407,7 @@ This package contains results of tests executed during build.
 %patch581 -p1 -b .mozilla-1630754
 %patch583 -p1 -b .mozilla-1632059
 %patch584 -p1 -b .firefox-disable-ffvpx-with-vapi
+%patch585 -p1 -b .firefox-vaapi-extra-frames
 
 # PGO patches
 %patch600 -p1 -b .pgo
@@ -980,6 +982,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed May 13 2020 Martin Stransky <stransky@redhat.com> - 76.0.1-2
+- Added extra va-api frames to vp8/9 decoder.
+
 * Fri May 8 2020 Martin Stransky <stransky@redhat.com> - 76.0.1-1
 - Updated to 76.0.1