Bug 1548113 - pass mEOS from MediaRawData to remote decoder. r=jya

Lack of mEOS for decoding Vorbis on RDD was causing a mochitest failure
with file spacestorm-1000Hz-100ms.ogg in dom/media/test/test_playback.html.
The symptom was an incorrect frame count here[1].

[1] https://searchfox.org/mozilla-central/rev/b59a99943de4dd314bae4e44ab43ce7687ccbbec/dom/media/platforms/agnostic/VorbisDecoder.cpp#178

Differential Revision: https://phabricator.services.mozilla.com/D29756

--HG--
extra : moz-landing-system : lando

dom/media/ipc/PMediaDecoderParams.ipdlh

@@ -8,6 +8,7 @@ using mozilla::media::TimeUnit from "TimeUnits.h";
 
 namespace mozilla {
 
+// used for both SendInput/RecvInput and ProcessDecodedData/RecvOutput
 struct MediaDataIPDL
 {
   int64_t offset;
@@ -17,9 +18,11 @@ struct MediaDataIPDL
   bool keyframe;
 };
 
+// used for SendInput/RecvInput
 struct MediaRawDataIPDL
 {
   MediaDataIPDL base;
+  bool eos;
   Shmem buffer;
 };
 

dom/media/ipc/RemoteDecoderChild.cpp

@@ -114,6 +114,7 @@ RefPtr<MediaDataDecoder::DecodePromise> RemoteDecoderChild::Decode(
   MediaRawDataIPDL sample(
       MediaDataIPDL(aSample->mOffset, aSample->mTime, aSample->mTimecode,
                     aSample->mDuration, aSample->mKeyframe),
+      aSample->mEOS,
       std::move(buffer));
   SendInput(sample);
 

dom/media/ipc/RemoteDecoderParent.cpp

@@ -77,6 +77,7 @@ mozilla::ipc::IPCResult RemoteDecoderParent::RecvInput(
   data->mTimecode = aData.base().timecode();
   data->mDuration = aData.base().duration();
   data->mKeyframe = aData.base().keyframe();
+  data->mEOS = aData.eos();
 
   DeallocShmem(aData.buffer());
 

dom/media/ipc/VideoDecoderChild.cpp

@@ -243,6 +243,7 @@ RefPtr<MediaDataDecoder::DecodePromise> VideoDecoderChild::Decode(
   MediaRawDataIPDL sample(
       MediaDataIPDL(aSample->mOffset, aSample->mTime, aSample->mTimecode,
                     aSample->mDuration, aSample->mKeyframe),
+      aSample->mEOS,
       std::move(buffer));
   SendInput(sample);
   return mDecodePromise.Ensure(__func__);

dom/media/ipc/VideoDecoderParent.cpp

@@ -148,6 +148,7 @@ mozilla::ipc::IPCResult VideoDecoderParent::RecvInput(
   data->mTimecode = aData.base().timecode();
   data->mDuration = aData.base().duration();
   data->mKeyframe = aData.base().keyframe();
+  data->mEOS = aData.eos();
 
   DeallocShmem(aData.buffer());