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https://github.com/roytam1/palemoon27.git
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trav90
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_AppleVDADecoder_h
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#define mozilla_AppleVDADecoder_h
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#include "PlatformDecoderModule.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "MP4Reader.h"
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#include "MP4Decoder.h"
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#include "nsIThread.h"
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#include "ReorderQueue.h"
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#include "VideoDecodeAcceleration/VDADecoder.h"
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namespace mozilla {
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class FlushableMediaTaskQueue;
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class MediaDataDecoderCallback;
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namespace layers {
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class ImageContainer;
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}
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class AppleVDADecoder : public MediaDataDecoder {
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public:
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class AppleFrameRef {
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public:
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Microseconds decode_timestamp;
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Microseconds composition_timestamp;
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Microseconds duration;
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int64_t byte_offset;
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bool is_sync_point;
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explicit AppleFrameRef(const MediaRawData& aSample)
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: decode_timestamp(aSample.mTimecode)
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, composition_timestamp(aSample.mTime)
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, duration(aSample.mDuration)
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, byte_offset(aSample.mOffset)
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, is_sync_point(aSample.mKeyframe)
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{
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}
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AppleFrameRef(Microseconds aDts,
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Microseconds aPts,
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Microseconds aDuration,
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int64_t aByte_offset,
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bool aIs_sync_point)
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: decode_timestamp(aDts)
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, composition_timestamp(aPts)
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, duration(aDuration)
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, byte_offset(aByte_offset)
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, is_sync_point(aIs_sync_point)
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{
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}
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};
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// Return a new created AppleVDADecoder or nullptr if media or hardware is
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// not supported by current configuration.
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static already_AddRefed<AppleVDADecoder> CreateVDADecoder(
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const VideoInfo& aConfig,
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FlushableMediaTaskQueue* aVideoTaskQueue,
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MediaDataDecoderCallback* aCallback,
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layers::ImageContainer* aImageContainer);
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AppleVDADecoder(const VideoInfo& aConfig,
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FlushableMediaTaskQueue* aVideoTaskQueue,
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MediaDataDecoderCallback* aCallback,
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layers::ImageContainer* aImageContainer);
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virtual ~AppleVDADecoder();
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virtual nsresult Init() override;
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virtual nsresult Input(MediaRawData* aSample) override;
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virtual nsresult Flush() override;
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virtual nsresult Drain() override;
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virtual nsresult Shutdown() override;
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nsresult OutputFrame(CVPixelBufferRef aImage,
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nsAutoPtr<AppleFrameRef> aFrameRef);
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protected:
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AppleFrameRef* CreateAppleFrameRef(const MediaRawData* aSample);
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void DrainReorderedFrames();
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void ClearReorderedFrames();
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CFDictionaryRef CreateOutputConfiguration();
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nsRefPtr<MediaByteBuffer> mExtraData;
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nsRefPtr<FlushableMediaTaskQueue> mTaskQueue;
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MediaDataDecoderCallback* mCallback;
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nsRefPtr<layers::ImageContainer> mImageContainer;
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ReorderQueue mReorderQueue;
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uint32_t mPictureWidth;
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uint32_t mPictureHeight;
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uint32_t mDisplayWidth;
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uint32_t mDisplayHeight;
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uint32_t mMaxRefFrames;
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private:
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VDADecoder mDecoder;
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bool mIs106;
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// Method to pass a frame to VideoToolbox for decoding.
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nsresult SubmitFrame(MediaRawData* aSample);
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// Method to set up the decompression session.
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nsresult InitializeSession();
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CFDictionaryRef CreateDecoderSpecification();
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};
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} // namespace mozilla
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#endif // mozilla_AppleVDADecoder_h
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