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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 MODULES_VIDEO_CAPTURE_MAIN_SOURCE_DEVICE_INFO_IMPL_H_
#define MODULES_VIDEO_CAPTURE_MAIN_SOURCE_DEVICE_INFO_IMPL_H_
#include <stdint.h>
#include <vector>
#include "api/video/video_rotation.h"
#include "modules/video_capture/video_capture.h"
#include "modules/video_capture/video_capture_defines.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
namespace videocapturemodule {
class DeviceInfoImpl : public VideoCaptureModule::DeviceInfo {
public:
DeviceInfoImpl();
~DeviceInfoImpl(void) override;
int32_t NumberOfCapabilities(const char* deviceUniqueIdUTF8) override;
int32_t GetCapability(const char* deviceUniqueIdUTF8,
uint32_t deviceCapabilityNumber,
VideoCaptureCapability& capability) override;
int32_t GetBestMatchedCapability(const char* deviceUniqueIdUTF8,
const VideoCaptureCapability& requested,
VideoCaptureCapability& resulting) override;
int32_t GetOrientation(const char* deviceUniqueIdUTF8,
VideoRotation& orientation) override;
protected:
/* Initialize this object*/
virtual int32_t Init() = 0;
int32_t Refresh() override { return 0; }
/*
* Fills the member variable _captureCapabilities with capabilities for the
* given device name.
*/
virtual int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8)
RTC_EXCLUSIVE_LOCKS_REQUIRED(_apiLock) = 0;
protected:
// Data members
typedef std::vector<VideoCaptureCapability> VideoCaptureCapabilities;
VideoCaptureCapabilities _captureCapabilities RTC_GUARDED_BY(_apiLock);
Mutex _apiLock;
char* _lastUsedDeviceName RTC_GUARDED_BY(_apiLock);
uint32_t _lastUsedDeviceNameLength RTC_GUARDED_BY(_apiLock);
};
} // namespace videocapturemodule
} // namespace webrtc
#endif // MODULES_VIDEO_CAPTURE_MAIN_SOURCE_DEVICE_INFO_IMPL_H_
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