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-rw-r--r--dom/media/platforms/agnostic/gmp/GMPAudioDecoder.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/gmp/GMPAudioDecoder.h b/dom/media/platforms/agnostic/gmp/GMPAudioDecoder.h
new file mode 100644
index 000000000..90e3ebdb6
--- /dev/null
+++ b/dom/media/platforms/agnostic/gmp/GMPAudioDecoder.h
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#if !defined(GMPAudioDecoder_h_)
+#define GMPAudioDecoder_h_
+
+#include "GMPAudioDecoderProxy.h"
+#include "MediaDataDecoderProxy.h"
+#include "PlatformDecoderModule.h"
+#include "mozIGeckoMediaPluginService.h"
+#include "nsAutoPtr.h"
+
+namespace mozilla {
+
+class AudioCallbackAdapter : public GMPAudioDecoderCallbackProxy {
+public:
+ explicit AudioCallbackAdapter(MediaDataDecoderCallbackProxy* aCallback)
+ : mCallback(aCallback)
+ , mLastStreamOffset(0)
+ , mAudioFrameSum(0)
+ , mAudioFrameOffset(0)
+ , mMustRecaptureAudioPosition(true)
+ {}
+
+ MediaDataDecoderCallbackProxy* Callback() const { return mCallback; }
+
+ // GMPAudioDecoderCallbackProxy
+ void Decoded(const nsTArray<int16_t>& aPCM, uint64_t aTimeStamp, uint32_t aChannels, uint32_t aRate) override;
+ void InputDataExhausted() override;
+ void DrainComplete() override;
+ void ResetComplete() override;
+ void Error(GMPErr aErr) override;
+ void Terminated() override;
+
+ void SetLastStreamOffset(int64_t aStreamOffset) {
+ mLastStreamOffset = aStreamOffset;
+ }
+
+private:
+ MediaDataDecoderCallbackProxy* mCallback;
+ int64_t mLastStreamOffset;
+
+ int64_t mAudioFrameSum;
+ int64_t mAudioFrameOffset;
+ bool mMustRecaptureAudioPosition;
+};
+
+struct GMPAudioDecoderParams {
+ explicit GMPAudioDecoderParams(const CreateDecoderParams& aParams);
+ GMPAudioDecoderParams& WithCallback(MediaDataDecoderProxy* aWrapper);
+ GMPAudioDecoderParams& WithAdapter(AudioCallbackAdapter* aAdapter);
+
+ const AudioInfo& mConfig;
+ TaskQueue* mTaskQueue;
+ MediaDataDecoderCallbackProxy* mCallback;
+ AudioCallbackAdapter* mAdapter;
+ RefPtr<GMPCrashHelper> mCrashHelper;
+};
+
+class GMPAudioDecoder : public MediaDataDecoder {
+public:
+ explicit GMPAudioDecoder(const GMPAudioDecoderParams& aParams);
+
+ RefPtr<InitPromise> Init() override;
+ void Input(MediaRawData* aSample) override;
+ void Flush() override;
+ void Drain() override;
+ void Shutdown() override;
+ const char* GetDescriptionName() const override
+ {
+ return "GMP audio decoder";
+ }
+
+protected:
+ virtual void InitTags(nsTArray<nsCString>& aTags);
+ virtual nsCString GetNodeId();
+
+private:
+
+ class GMPInitDoneCallback : public GetGMPAudioDecoderCallback
+ {
+ public:
+ explicit GMPInitDoneCallback(GMPAudioDecoder* aDecoder)
+ : mDecoder(aDecoder)
+ {
+ }
+
+ void Done(GMPAudioDecoderProxy* aGMP) override
+ {
+ mDecoder->GMPInitDone(aGMP);
+ }
+
+ private:
+ RefPtr<GMPAudioDecoder> mDecoder;
+ };
+ void GMPInitDone(GMPAudioDecoderProxy* aGMP);
+
+ const AudioInfo mConfig;
+ MediaDataDecoderCallbackProxy* mCallback;
+ nsCOMPtr<mozIGeckoMediaPluginService> mMPS;
+ GMPAudioDecoderProxy* mGMP;
+ nsAutoPtr<AudioCallbackAdapter> mAdapter;
+ MozPromiseHolder<InitPromise> mInitPromise;
+ RefPtr<GMPCrashHelper> mCrashHelper;
+};
+
+} // namespace mozilla
+
+#endif // GMPAudioDecoder_h_