Revert of Unify the macOS and iOS capturer implementations

webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit.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_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_H_
+#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_H_
+
+#import <QTKit/QTKit.h>
+#include <stdio.h>
+
+#include "webrtc/modules/video_capture/device_info_impl.h"
+#include "webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h"
+#include "webrtc/modules/video_capture/video_capture_impl.h"
+
+@class VideoCaptureMacQTKitObjC;
+@class VideoCaptureMacQTKitInfoObjC;
+
+namespace webrtc
+{
+namespace videocapturemodule
+{
+
+class VideoCaptureMacQTKit : public VideoCaptureImpl
+{
+public:
+    VideoCaptureMacQTKit(const int32_t id);
+    virtual ~VideoCaptureMacQTKit();
+
+    /*
+    *   Create a video capture module object
+    *
+    *   id - unique identifier of this video capture module object
+    *   deviceUniqueIdUTF8 -  name of the device. Available names can be found
+    *       by using GetDeviceName
+    *   deviceUniqueIdUTF8Length - length of deviceUniqueIdUTF8
+    */
+    static void Destroy(VideoCaptureModule* module);
+
+    int32_t Init(const int32_t id, const char* deviceUniqueIdUTF8);
+
+
+    // Start/Stop
+    virtual int32_t StartCapture(
+        const VideoCaptureCapability& capability);
+    virtual int32_t StopCapture();
+
+    // Properties of the set device
+
+    virtual bool CaptureStarted();
+
+    int32_t CaptureSettings(VideoCaptureCapability& settings);
+
+protected:
+    // Help functions
+    int32_t SetCameraOutput();
+
+private:
+    VideoCaptureMacQTKitObjC*        _captureDevice;
+    VideoCaptureMacQTKitInfoObjC*    _captureInfo;
+    bool                    _isCapturing;
+    int32_t            _id;
+    int32_t            _captureWidth;
+    int32_t            _captureHeight;
+    int32_t            _captureFrameRate;
+    char                     _currentDeviceNameUTF8[MAX_NAME_LENGTH];
+    char                     _currentDeviceUniqueIdUTF8[MAX_NAME_LENGTH];
+    char                     _currentDeviceProductUniqueIDUTF8[MAX_NAME_LENGTH];
+    int32_t            _frameCount;
+};
+}  // namespace videocapturemodule
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_H_