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// Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_PPB_VIDEO_CAPTURE_IMPL_H_
#define WEBKIT_PLUGINS_PPAPI_PPB_VIDEO_CAPTURE_IMPL_H_
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_callback_factory.h"
#include "base/memory/scoped_ptr.h"
#include "media/video/capture/video_capture.h"
#include "ppapi/c/dev/ppp_video_capture_dev.h"
#include "ppapi/thunk/ppb_video_capture_api.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
#include "webkit/plugins/ppapi/ppb_buffer_impl.h"
#include "webkit/plugins/ppapi/resource.h"
struct PP_VideoCaptureDeviceInfo_Dev;
struct PPB_VideoCapture_Dev;
namespace webkit {
namespace ppapi {
class PluginInstance;
class PPB_VideoCapture_Impl : public Resource,
public ::ppapi::thunk::PPB_VideoCapture_API,
public media::VideoCapture::EventHandler {
public:
explicit PPB_VideoCapture_Impl(PluginInstance* instance);
virtual ~PPB_VideoCapture_Impl();
bool Init();
// ResourceObjectBase overrides.
virtual PPB_VideoCapture_API* AsPPB_VideoCapture_API() OVERRIDE;
// PPB_VideoCapture implementation.
virtual int32_t StartCapture(
const PP_VideoCaptureDeviceInfo_Dev& requested_info,
uint32_t buffer_count) OVERRIDE;
virtual int32_t ReuseBuffer(uint32_t buffer) OVERRIDE;
virtual int32_t StopCapture() OVERRIDE;
// media::VideoCapture::EventHandler implementation.
virtual void OnStarted(media::VideoCapture* capture) OVERRIDE;
virtual void OnStopped(media::VideoCapture* capture) OVERRIDE;
virtual void OnPaused(media::VideoCapture* capture) OVERRIDE;
virtual void OnError(media::VideoCapture* capture, int error_code) OVERRIDE;
virtual void OnBufferReady(
media::VideoCapture* capture,
scoped_refptr<media::VideoCapture::VideoFrameBuffer> buffer) OVERRIDE;
virtual void OnDeviceInfoReceived(
media::VideoCapture* capture,
const media::VideoCaptureParams& device_info) OVERRIDE;
private:
void ReleaseBuffers();
void SendStatus();
scoped_ptr<PluginDelegate::PlatformVideoCapture> platform_video_capture_;
size_t buffer_count_hint_;
struct BufferInfo {
BufferInfo();
~BufferInfo();
bool in_use;
void* data;
scoped_refptr<PPB_Buffer_Impl> buffer;
};
std::vector<BufferInfo> buffers_;
const PPP_VideoCapture_Dev* ppp_videocapture_;
PP_VideoCaptureStatus_Dev status_;
DISALLOW_COPY_AND_ASSIGN(PPB_VideoCapture_Impl);
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_PPB_VIDEO_DECODER_IMPL_H_
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