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/*
* 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_DEVICE_INFO_DS_H_
#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_
#include "webrtc/modules/video_capture/device_info_impl.h"
#include "webrtc/modules/video_capture/video_capture_impl.h"
#include <Dshow.h>
namespace webrtc
{
namespace videocapturemodule
{
struct VideoCaptureCapabilityWindows: public VideoCaptureCapability
{
uint32_t directShowCapabilityIndex;
bool supportFrameRateControl;
VideoCaptureCapabilityWindows()
{
directShowCapabilityIndex = 0;
supportFrameRateControl = false;
}
};
class DeviceInfoDS: public DeviceInfoImpl
{
public:
// Factory function.
static DeviceInfoDS* Create(const int32_t id);
DeviceInfoDS(const int32_t id);
virtual ~DeviceInfoDS();
int32_t Init();
virtual uint32_t NumberOfDevices();
/*
* Returns the available capture devices.
*/
virtual int32_t
GetDeviceName(uint32_t deviceNumber,
char* deviceNameUTF8,
uint32_t deviceNameLength,
char* deviceUniqueIdUTF8,
uint32_t deviceUniqueIdUTF8Length,
char* productUniqueIdUTF8,
uint32_t productUniqueIdUTF8Length);
/*
* Display OS /capture device specific settings dialog
*/
virtual int32_t
DisplayCaptureSettingsDialogBox(
const char* deviceUniqueIdUTF8,
const char* dialogTitleUTF8,
void* parentWindow,
uint32_t positionX,
uint32_t positionY);
// Windows specific
/* Gets a capture device filter
The user of this API is responsible for releasing the filter when it not needed.
*/
IBaseFilter * GetDeviceFilter(const char* deviceUniqueIdUTF8,
char* productUniqueIdUTF8 = NULL,
uint32_t productUniqueIdUTF8Length = 0);
int32_t
GetWindowsCapability(const int32_t capabilityIndex,
VideoCaptureCapabilityWindows& windowsCapability);
static void GetProductId(const char* devicePath,
char* productUniqueIdUTF8,
uint32_t productUniqueIdUTF8Length);
protected:
int32_t GetDeviceInfo(uint32_t deviceNumber,
char* deviceNameUTF8,
uint32_t deviceNameLength,
char* deviceUniqueIdUTF8,
uint32_t deviceUniqueIdUTF8Length,
char* productUniqueIdUTF8,
uint32_t productUniqueIdUTF8Length);
virtual int32_t
CreateCapabilityMap(const char* deviceUniqueIdUTF8);
private:
ICreateDevEnum* _dsDevEnum;
IEnumMoniker* _dsMonikerDevEnum;
bool _CoUninitializeIsRequired;
std::vector<VideoCaptureCapabilityWindows> _captureCapabilitiesWindows;
};
} // namespace videocapturemodule
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_