Bug 1595994 - P15. Enable fast video copy path in AV1 decoder. r=mattwoodrow

Depends on D91691

Differential Revision: https://phabricator.services.mozilla.com/D91692

dom/media/platforms/agnostic/DAV1DDecoder.cpp

@@ -22,7 +22,8 @@ DAV1DDecoder::DAV1DDecoder(const CreateDecoderParams& aParams)
       mTaskQueue(
           new TaskQueue(GetMediaThreadPool(MediaThreadType::PLATFORM_DECODER),
                         "Dav1dDecoder")),
-      mImageContainer(aParams.mImageContainer) {}
+      mImageContainer(aParams.mImageContainer),
+      mImageAllocator(aParams.mKnowsCompositor) {}
 
 RefPtr<MediaDataDecoder::InitPromise> DAV1DDecoder::Init() {
   Dav1dSettings settings;
@@ -275,7 +276,7 @@ already_AddRefed<VideoData> DAV1DDecoder::ConstructImage(
 
   return VideoData::CreateAndCopyData(
       mInfo, mImageContainer, offset, timecode, duration, b, keyframe, timecode,
-      mInfo.ScaledImageRect(aPicture.p.w, aPicture.p.h));
+      mInfo.ScaledImageRect(aPicture.p.w, aPicture.p.h), mImageAllocator);
 }
 
 RefPtr<MediaDataDecoder::DecodePromise> DAV1DDecoder::Drain() {

dom/media/platforms/agnostic/DAV1DDecoder.h

@@ -43,6 +43,7 @@ class DAV1DDecoder : public MediaDataDecoder,
   const VideoInfo& mInfo;
   const RefPtr<TaskQueue> mTaskQueue;
   const RefPtr<layers::ImageContainer> mImageContainer;
+  const RefPtr<layers::KnowsCompositor> mImageAllocator;
 
   // Keep the buffers alive until dav1d
   // does not need them any more.