[sailfishos][gecko] Force recycling of gmp-droid instances. JB#51730

Android codecs hog a lot of frames, so creating a new one during playback when
the stream switches will cause lag and playback failure. These codecs are
capable of switching streams internally, so flag gmp-droid as supporting
decoder recycling.

rpm/0047-sailfishos-gecko-Force-recycling-of-gmpdroid-instanc.patch

@@ -0,0 +1,25 @@
+From 3fe963510d04e696bbc1c12cbea475b2ca8875f7 Thu, 12 Nov 2020 20:04:42 +0100
+From: Andrew Branson <andrew.branson@jolla.com>
+Date: Thu, 12 Nov 2020 20:03:34 +0100
+Subject: [PATCH] [sailfishos][gecko] Force recycling of gmp-droid instances. JB#51730
+
+
+Android codecs hog a lot of frames, so creating a new one during playback when 
+the stream switches will cause lag and playback failure. These codecs are
+capable of switching streams internally, so flag gmp-droid as supporting 
+decoder recycling.
+
+diff --git a/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h b/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h
+index e9f0843..e1d15bd 100644
+--- a/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h
++++ b/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.h
+@@ -42,6 +42,9 @@
+   nsCString GetDescriptionName() const override {
+     return NS_LITERAL_CSTRING("gmp video decoder");
+   }
++  bool SupportDecoderRecycling() const override {
++      return mGMP->GetDisplayName().EqualsLiteral("gmp-droid");
++  }
+   ConversionRequired NeedsConversion() const override {
+     return mConvertToAnnexB ? ConversionRequired::kNeedAnnexB
+                             : ConversionRequired::kNeedAVCC;

rpm/xulrunner-qt5.spec

@@ -89,6 +89,7 @@ Patch43:    0043-sailfishos-gecko-Prioritize-loading-of-extension-ver.patch
 Patch44:    0044-sailfishos-gecko-Apply-UA-override-for-window.naviga.patch
 Patch45:    0045-sailfishos-media-Ensure-audio-continues-when-screen-.patch
 Patch46:    0046-sailfishos-backport--Make-MOZSIGNALTRAMPOLINE-Andro-.patch
+Patch47:    0047-sailfishos-gecko-Force-recycling-of-gmpdroid-instanc.patch
 
 BuildRequires:  rust
 BuildRequires:  rust-std-static