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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_MEDIA_FAKE_GL_VIDEO_DECODE_ENGINE_H_
#define CHROME_GPU_MEDIA_FAKE_GL_VIDEO_DECODE_ENGINE_H_
#include <queue>
#include <vector>
#include "base/scoped_ptr.h"
#include "media/video/video_decode_engine.h"
namespace media {
class VideoDecodeContext;
class VideoFrame;
} // namespace media
class FakeGlVideoDecodeEngine : public media::VideoDecodeEngine {
public:
FakeGlVideoDecodeEngine();
virtual ~FakeGlVideoDecodeEngine();
virtual void Initialize(
MessageLoop* message_loop,
media::VideoDecodeEngine::EventHandler* event_handler,
media::VideoDecodeContext* context,
const media::VideoCodecConfig& config);
virtual void Uninitialize();
virtual void Flush();
virtual void Seek();
virtual void ConsumeVideoSample(scoped_refptr<media::Buffer> buffer);
virtual void ProduceVideoFrame(scoped_refptr<media::VideoFrame> frame);
private:
// This method is called when video frames allocation is completed by
// VideoDecodeContext.
void AllocationCompleteTask();
// This method is called by VideoDecodeContext when uploading to a VideoFrame
// has completed.
void UploadCompleteTask(scoped_refptr<media::VideoFrame> frame);
int width_;
int height_;
media::VideoDecodeEngine::EventHandler* handler_;
media::VideoDecodeContext* context_;
// Internal video frame that is to be uploaded through VideoDecodeContext.
scoped_refptr<media::VideoFrame> internal_frame_;
// VideoFrame(s) allocated through VideoDecodeContext. These frames are
// opaque to us. And we need an extra upload step.
std::vector<scoped_refptr<media::VideoFrame> > external_frames_;
// These are the video frames that are waiting for input buffer to generate
// fake pattern in them.
std::queue<scoped_refptr<media::VideoFrame> > pending_frames_;
DISALLOW_COPY_AND_ASSIGN(FakeGlVideoDecodeEngine);
};
#endif // CHROME_GPU_MEDIA_FAKE_GL_VIDEO_DECODE_ENGINE_H_
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