| /* |
| * Copyright (c) 2011 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 |
| * |
| */ |
| |
| |
| // super class stuff |
| #include "../video_capture_impl.h" |
| #include "../device_info_impl.h" |
| #include "../video_capture_config.h" |
| #include "ref_count.h" |
| |
| #include "trace.h" |
| |
| #include <QuickTime/QuickTime.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 "QTKit/video_capture_qtkit.h" |
| #include "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 WebRtc_Word8 in the version |
| * buffer |
| * position - position of the next empty WebRtc_Word8 in the |
| * version buffer |
| */ |
| |
| VideoCaptureModule* VideoCaptureImpl::Create( |
| const WebRtc_Word32 id, const WebRtc_UWord8* deviceUniqueIdUTF8) |
| { |
| WEBRTC_TRACE(webrtc::kTraceModuleCall, webrtc::kTraceVideoCapture, id, |
| "Create %s", deviceUniqueIdUTF8); |
| |
| 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_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id, |
| "%s line %d. QTKit is not supported on this machine. Using " |
| "QuickTime framework to capture video", |
| __FILE__, __LINE__); |
| |
| RefCountImpl<videocapturemodule::VideoCaptureMacQuickTime>* |
| newCaptureModule = |
| new RefCountImpl<videocapturemodule::VideoCaptureMacQuickTime>(id); |
| |
| if (!newCaptureModule) |
| { |
| WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id, |
| "could not Create for unique device %s, !newCaptureModule", |
| deviceUniqueIdUTF8); |
| return NULL; |
| } |
| |
| if (newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0) |
| { |
| WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id, |
| "could not Create for unique device %s, " |
| "newCaptureModule->Init()!=0", |
| deviceUniqueIdUTF8); |
| delete newCaptureModule; |
| return NULL; |
| } |
| |
| // 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); |
| |
| RefCountImpl<videocapturemodule::VideoCaptureMacQTKit>* newCaptureModule = |
| new RefCountImpl<videocapturemodule::VideoCaptureMacQTKit>(id); |
| |
| if(!newCaptureModule) |
| { |
| WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id, |
| "could not Create for unique device %s, !newCaptureModule", |
| deviceUniqueIdUTF8); |
| return NULL; |
| } |
| if(newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0) |
| { |
| WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id, |
| "could not Create for unique device %s, " |
| "newCaptureModule->Init()!=0", deviceUniqueIdUTF8); |
| delete newCaptureModule; |
| return NULL; |
| } |
| |
| // 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 WebRtc_Word32 id) |
| { |
| |
| WEBRTC_TRACE(webrtc::kTraceModuleCall, webrtc::kTraceVideoCapture, id, |
| "Create %d", 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 |
| |
