Unify the macOS and iOS capturer implementations

webrtc/modules/video_capture/mac/video_capture_mac.mm

Index: webrtc/modules/video_capture/mac/video_capture_mac.mm
diff --git a/webrtc/modules/video_capture/mac/video_capture_mac.mm b/webrtc/modules/video_capture/mac/video_capture_mac.mm
deleted file mode 100644
index 08b2aeb39a40cc62b62cb9afcee8995f4dd86452..0000000000000000000000000000000000000000
--- a/webrtc/modules/video_capture/mac/video_capture_mac.mm
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- *  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.
- */
-
-/*
- *  video_capture_mac.cc
- *
- */
-
-#include <QuickTime/QuickTime.h>
-
-#include "webrtc/base/refcount.h"
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/modules/video_capture/device_info_impl.h"
-#include "webrtc/modules/video_capture/video_capture_config.h"
-#include "webrtc/modules/video_capture/video_capture_impl.h"
-#include "webrtc/system_wrappers/include/trace.h"
-
-// 10.4 support must be decided runtime. We will just decide which framework to
-// use at compile time "work" classes. One for QTKit, one for QuickTime
-#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
-#include <QuickTime/video_capture_quick_time.h>
-#include <QuickTime/video_capture_quick_time_info.h>
-#else
-#include "webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit.h"
-#include "webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_info.h"
-#endif
-
-namespace webrtc
-{
-namespace videocapturemodule
-{
-
-// static
-bool CheckOSVersion()
-{
-    // Check OSX version
-    OSErr err = noErr;
-
-    SInt32 version;
-
-    err = Gestalt(gestaltSystemVersion, &version);
-    if (err != noErr)
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
-                     "Could not get OS version");
-        return false;
-    }
-
-    if (version < 0x00001040) // Older version than Mac OSX 10.4
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
-                     "OS version too old: 0x%x", version);
-        return false;
-    }
-
-    WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
-                 "OS version compatible: 0x%x", version);
-
-    return true;
-}
-
-// static
-bool CheckQTVersion()
-{
-    // Check OSX version
-    OSErr err = noErr;
-
-    SInt32 version;
-
-    err = Gestalt(gestaltQuickTime, &version);
-    if (err != noErr)
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
-                     "Could not get QuickTime version");
-        return false;
-    }
-
-    if (version < 0x07000000) // QT v. 7.x or newer (QT 5.0.2 0x05020000)
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
-                     "QuickTime version too old: 0x%x", version);
-        return false;
-    }
-
-    WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
-                 "QuickTime version compatible: 0x%x", version);
-    return true;
-}
-
-/**************************************************************************
- *
- *    Create/Destroy a VideoCaptureModule
- *
- ***************************************************************************/
-
-/*
- *   Returns version of the module and its components
- *
- *   version                 - buffer to which the version will be written
- *   remainingBufferInBytes  - remaining number of int8_t in the version
- *                             buffer
- *   position                - position of the next empty int8_t in the
- *                             version buffer
- */
-
-rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create(
-    const int32_t id,
-    const char* deviceUniqueIdUTF8) {
-    if (!CheckOSVersion()) {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
-                     "OS version is too old. Could not create video capture "
-                     "module. Returning NULL");
-        return nullptr;
-    }
-
-#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
-    if (!CheckQTVersion())
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
-                     "QuickTime version is too old. Could not create video "
-                     "capture module. Returning NULL");
-        return nullptr;
-    }
-
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "%s line %d. QTKit is not supported on this machine. Using "
-                 "QuickTime framework to capture video",
-                 __FILE__, __LINE__);
-
-    rtc::scoped_refptr<VideoCaptureMacQuickTime> newCaptureModule(
-        new rtc::RefCountedObject<VideoCaptureMacQuickTime>(id));
-
-    if (newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0)
-    {
-        WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
-                     "could not Create for unique device %s, "
-                     "newCaptureModule->Init()!=0",
-                     deviceUniqueIdUTF8);
-        return nullptr;
-    }
-
-    // Successfully created VideoCaptureMacQuicktime. Return it
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "Module created for unique device %s. Will use QuickTime "
-                 "framework to capture",
-                 deviceUniqueIdUTF8);
-    return newCaptureModule;
-
-#else // QTKit version
-
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "Using QTKit framework to capture video", id);
-
-    rtc::scoped_refptr<VideoCaptureMacQTKit> newCaptureModule(
-        new rtc::RefCountedObject<VideoCaptureMacQTKit>(id));
-
-    if(newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0)
-    {
-        WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
-                     "could not Create for unique device %s, "
-                     "newCaptureModule->Init()!=0", deviceUniqueIdUTF8);
-        return nullptr;
-    }
-
-    // Successfully created VideoCaptureMacQuicktime. Return it
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "Module created for unique device %s, will use QTKit "
-                 "framework",deviceUniqueIdUTF8);
-    return newCaptureModule;
-#endif
-}
-
-/**************************************************************************
- *
- *    Create/Destroy a DeviceInfo
- *
- ***************************************************************************/
-
-VideoCaptureModule::DeviceInfo*
-VideoCaptureImpl::CreateDeviceInfo(const int32_t id)
-{
-
-
-    if (webrtc::videocapturemodule::CheckOSVersion() == false)
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
-                     "OS version is too old. Could not create video capture "
-                     "module. Returning NULL");
-        return NULL;
-    }
-
-#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
-    if (webrtc::videocapturemodule::CheckQTVersion() == false)
-    {
-        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
-                     "QuickTime version is too old. Could not create video "
-                     "capture module. Returning NULL");
-        return NULL;
-    }
-
-    webrtc::videocapturemodule::VideoCaptureMacQuickTimeInfo* newCaptureInfoModule =
-        new webrtc::videocapturemodule::VideoCaptureMacQuickTimeInfo(id);
-
-    if (!newCaptureInfoModule || newCaptureInfoModule->Init() != 0)
-    {
-        Destroy(newCaptureInfoModule);
-        newCaptureInfoModule = NULL;
-        WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                     "Failed to Init newCaptureInfoModule created with id %d "
-                     "and device \"\" ", id);
-        return NULL;
-    }
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "VideoCaptureModule created for id", id);
-    return newCaptureInfoModule;
-
-#else // QTKit version
-    webrtc::videocapturemodule::VideoCaptureMacQTKitInfo* newCaptureInfoModule =
-        new webrtc::videocapturemodule::VideoCaptureMacQTKitInfo(id);
-
-    if(!newCaptureInfoModule || newCaptureInfoModule->Init() != 0)
-    {
-        //Destroy(newCaptureInfoModule);
-        delete newCaptureInfoModule;
-        newCaptureInfoModule = NULL;
-        WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                     "Failed to Init newCaptureInfoModule created with id %d "
-                     "and device \"\" ", id);
-        return NULL;
-    }
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
-                 "VideoCaptureModule created for id", id);
-    return newCaptureInfoModule;
-
-#endif
-
-}
-
-/**************************************************************************
- *
- *    End Create/Destroy VideoCaptureModule
- *
- ***************************************************************************/
-}  // namespace videocapturemodule
-}  // namespace webrtc