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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_GPU_GPU_VIDEO_DECODER_MFT_H_
#define CHROME_GPU_GPU_VIDEO_DECODER_MFT_H_
#include "build/build_config.h" // For OS_WIN.
#if defined(OS_WIN)
#include <d3d9.h>
#include <dxva2api.h>
#include <evr.h>
#include <initguid.h>
#include <mfapi.h>
#include <mferror.h>
#include <mfidl.h>
#include <shlwapi.h>
#include <wmcodecdsp.h>
#include <deque>
#include "base/scoped_comptr_win.h"
#include "chrome/gpu/gpu_video_decoder.h"
class GpuVideoDecoderMFT : public GpuVideoDecoder {
public:
virtual bool DoInitialize(const GpuVideoDecoderInitParam& init_param,
GpuVideoDecoderInitDoneParam* done_param);
virtual bool DoUninitialize();
virtual void DoFlush();
virtual void DoEmptyThisBuffer(const GpuVideoDecoderInputBufferParam& buffer);
virtual void DoFillThisBuffer(const GpuVideoDecoderOutputBufferParam& frame);
virtual void DoFillThisBufferDoneACK();
private:
GpuVideoDecoderMFT(const GpuVideoDecoderInfoParam* param,
GpuChannel* channel_,
base::ProcessHandle handle);
friend class GpuVideoService;
// TODO(jiesun): Find a way to move all these to GpuVideoService..
static bool StartupComLibraries();
static void ShutdownComLibraries();
bool CreateD3DDevManager(HWND video_window);
// helper.
bool InitMediaFoundation();
bool InitDecoder();
bool CheckDecoderDxvaSupport();
bool SetDecoderMediaTypes();
bool SetDecoderInputMediaType();
bool SetDecoderOutputMediaType(const GUID subtype);
bool SendMFTMessage(MFT_MESSAGE_TYPE msg);
bool GetStreamsInfoAndBufferReqs();
// Help function to create IMFSample* out of input buffer.
// data are copied into IMFSample's own IMFMediaBuffer.
// Client should Release() the IMFSample*.
static IMFSample* CreateInputSample(uint8* data,
int32 size,
int64 timestamp,
int64 duration,
int32 min_size);
bool DoDecode();
ScopedComPtr<IDirect3D9> d3d9_;
ScopedComPtr<IDirect3DDevice9> device_;
ScopedComPtr<IDirect3DDeviceManager9> device_manager_;
ScopedComPtr<IMFTransform> decoder_;
MFT_INPUT_STREAM_INFO input_stream_info_;
MFT_OUTPUT_STREAM_INFO output_stream_info_;
std::deque<ScopedComPtr<IMFSample> > input_buffer_queue_;
bool output_transfer_buffer_busy_;
typedef enum {
kNormal, // normal playing state.
kFlushing, // upon received Flush(), before FlushDone()
kEosFlush, // upon input EOS received.
kStopped, // upon output EOS received.
} State;
State state_;
int32 pending_request_;
DISALLOW_COPY_AND_ASSIGN(GpuVideoDecoderMFT);
};
#endif
#endif // CHROME_GPU_GPU_VIDEO_DECODER_MFT_H_
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