Bug 1223270: P4. Remove extra copy of YUV buffer for Theora. r=mattwoodrow

MozReview-Commit-ID: FnhPObcv4U3

--HG--
extra : rebase_source : 01a14de6f4de864ec38311549867f95f48b5b2a3

dom/media/platforms/agnostic/TheoraDecoder.cpp

@@ -38,7 +38,8 @@ ogg_packet InitTheoraPacket(const unsigned char* aData, size_t aLength,
 }
 
 TheoraDecoder::TheoraDecoder(const CreateDecoderParams& aParams)
-  : mImageContainer(aParams.mImageContainer)
+  : mImageAllocator(aParams.mKnowsCompositor)
+  , mImageContainer(aParams.mImageContainer)
   , mTaskQueue(aParams.mTaskQueue)
   , mTheoraSetupInfo(nullptr)
   , mTheoraDecoderContext(nullptr)
@@ -178,7 +179,8 @@ TheoraDecoder::ProcessDecode(MediaRawData* aSample)
                                    aSample->mKeyframe,
                                    aSample->mTimecode,
                                    mInfo.ScaledImageRect(mTheoraInfo.frame_width,
-                                                         mTheoraInfo.frame_height));
+                                                         mTheoraInfo.frame_height),
+                                   mImageAllocator);
     if (!v) {
       LOG(
         "Image allocation error source %ux%u display %ux%u picture %ux%u",

dom/media/platforms/agnostic/TheoraDecoder.h

@@ -38,6 +38,7 @@ private:
 
   RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
 
+  RefPtr<layers::KnowsCompositor> mImageAllocator;
   RefPtr<layers::ImageContainer> mImageContainer;
   RefPtr<TaskQueue> mTaskQueue;