modules/video_capture/windows/video_capture_ds.h

/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_VIDEO_CAPTURE_DS_H_
#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_VIDEO_CAPTURE_DS_H_

#include "webrtc/modules/video_capture/video_capture_impl.h"
#include "webrtc/modules/video_capture/windows/device_info_ds.h"

#define CAPTURE_FILTER_NAME L"VideoCaptureFilter"
#define SINK_FILTER_NAME L"SinkFilter"

namespace webrtc
{
namespace videocapturemodule
{
// Forward declaraion
class CaptureSinkFilter;

class VideoCaptureDS: public VideoCaptureImpl
{
public:
    VideoCaptureDS();

    virtual int32_t Init(const char* deviceUniqueIdUTF8);

    /*************************************************************************
     *
     *   Start/Stop
     *
     *************************************************************************/
    virtual int32_t
        StartCapture(const VideoCaptureCapability& capability);
    virtual int32_t StopCapture();

    /**************************************************************************
     *
     *   Properties of the set device
     *
     **************************************************************************/

    virtual bool CaptureStarted();
    virtual int32_t CaptureSettings(VideoCaptureCapability& settings);

protected:
    virtual ~VideoCaptureDS();

    // Help functions

    int32_t
        SetCameraOutput(const VideoCaptureCapability& requestedCapability);
    int32_t DisconnectGraph();
    HRESULT VideoCaptureDS::ConnectDVCamera();

    DeviceInfoDS _dsInfo;

    IBaseFilter* _captureFilter;
    IGraphBuilder* _graphBuilder;
    IMediaControl* _mediaControl;
    CaptureSinkFilter* _sinkFilter;
    IPin* _inputSendPin;
    IPin* _outputCapturePin;

    // Microsoft DV interface (external DV cameras)
    IBaseFilter* _dvFilter;
    IPin* _inputDvPin;
    IPin* _outputDvPin;

};
}  // namespace videocapturemodule
}  // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_VIDEO_CAPTURE_DS_H_