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// Copyright (c) 2012 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 CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_VIDEO_CAPTURE_IMPL_H_
#define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_VIDEO_CAPTURE_IMPL_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "media/video/capture/video_capture.h"
#include "media/video/capture/video_capture_types.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
namespace media {
class VideoCaptureHandlerProxy;
}
namespace content {
class PepperPluginDelegateImpl;
class PepperPlatformVideoCaptureImpl
: public webkit::ppapi::PluginDelegate::PlatformVideoCapture,
public media::VideoCapture::EventHandler {
public:
PepperPlatformVideoCaptureImpl(
const base::WeakPtr<PepperPluginDelegateImpl>& plugin_delegate,
const std::string& device_id,
webkit::ppapi::PluginDelegate::PlatformVideoCaptureEventHandler* handler);
// webkit::ppapi::PluginDelegate::PlatformVideoCapture implementation.
virtual void StartCapture(
media::VideoCapture::EventHandler* handler,
const media::VideoCaptureCapability& capability) OVERRIDE;
virtual void StopCapture(media::VideoCapture::EventHandler* handler) OVERRIDE;
virtual void FeedBuffer(scoped_refptr<VideoFrameBuffer> buffer) OVERRIDE;
virtual bool CaptureStarted() OVERRIDE;
virtual int CaptureWidth() OVERRIDE;
virtual int CaptureHeight() OVERRIDE;
virtual int CaptureFrameRate() OVERRIDE;
virtual void DetachEventHandler() OVERRIDE;
// media::VideoCapture::EventHandler implementation
virtual void OnStarted(VideoCapture* capture) OVERRIDE;
virtual void OnStopped(VideoCapture* capture) OVERRIDE;
virtual void OnPaused(VideoCapture* capture) OVERRIDE;
virtual void OnError(VideoCapture* capture, int error_code) OVERRIDE;
virtual void OnRemoved(VideoCapture* capture) OVERRIDE;
virtual void OnBufferReady(VideoCapture* capture,
scoped_refptr<VideoFrameBuffer> buffer) OVERRIDE;
virtual void OnDeviceInfoReceived(
VideoCapture* capture,
const media::VideoCaptureParams& device_info) OVERRIDE;
protected:
virtual ~PepperPlatformVideoCaptureImpl();
private:
void Initialize();
void OnDeviceOpened(int request_id,
bool succeeded,
const std::string& label);
base::WeakPtr<PepperPluginDelegateImpl> plugin_delegate_;
std::string device_id_;
std::string label_;
int session_id_;
scoped_ptr<media::VideoCaptureHandlerProxy> handler_proxy_;
webkit::ppapi::PluginDelegate::PlatformVideoCaptureEventHandler* handler_;
media::VideoCapture* video_capture_;
// StartCapture() must be balanced by StopCapture(), otherwise this object
// will leak.
bool unbalanced_start_;
DISALLOW_COPY_AND_ASSIGN(PepperPlatformVideoCaptureImpl);
};
} // namespace content
#endif // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_VIDEO_CAPTURE_IMPL_H_
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