dfc5bb9c97
BUG=314 Review URL: https://webrtc-codereview.appspot.com/1298005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3811 4adac7df-926f-26a2-2b94-8c16560cd09d
276 lines
8.9 KiB
Plaintext
276 lines
8.9 KiB
Plaintext
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/*
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* video_capture_mac.cc
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*
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*/
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// super class stuff
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#include "../video_capture_impl.h"
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#include "../device_info_impl.h"
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#include "../video_capture_config.h"
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#include "ref_count.h"
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#include "trace.h"
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#include <QuickTime/QuickTime.h>
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// 10.4 support must be decided runtime. We will just decide which framework to
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// use at compile time "work" classes. One for QTKit, one for QuickTime
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#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
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#include "QuickTime/video_capture_quick_time.h"
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#include "QuickTime/video_capture_quick_time_info.h"
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#else
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#include "QTKit/video_capture_qtkit.h"
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#include "QTKit/video_capture_qtkit_info.h"
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#endif
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namespace webrtc
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{
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namespace videocapturemodule
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{
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// static
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bool CheckOSVersion()
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{
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// Check OSX version
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OSErr err = noErr;
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SInt32 version;
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err = Gestalt(gestaltSystemVersion, &version);
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if (err != noErr)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
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"Could not get OS version");
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return false;
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}
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if (version < 0x00001040) // Older version than Mac OSX 10.4
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
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"OS version too old: 0x%x", version);
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return false;
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}
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
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"OS version compatible: 0x%x", version);
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return true;
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}
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// static
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bool CheckQTVersion()
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{
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// Check OSX version
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OSErr err = noErr;
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SInt32 version;
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err = Gestalt(gestaltQuickTime, &version);
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if (err != noErr)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
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"Could not get QuickTime version");
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return false;
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}
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if (version < 0x07000000) // QT v. 7.x or newer (QT 5.0.2 0x05020000)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
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"QuickTime version too old: 0x%x", version);
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return false;
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}
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
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"QuickTime version compatible: 0x%x", version);
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return true;
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}
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/**************************************************************************
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*
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* Create/Destroy a VideoCaptureModule
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*
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***************************************************************************/
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/*
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* Returns version of the module and its components
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*
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* version - buffer to which the version will be written
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* remainingBufferInBytes - remaining number of int8_t in the version
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* buffer
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* position - position of the next empty int8_t in the
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* version buffer
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*/
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VideoCaptureModule* VideoCaptureImpl::Create(
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const int32_t id, const char* deviceUniqueIdUTF8)
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{
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if (webrtc::videocapturemodule::CheckOSVersion() == false)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
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"OS version is too old. Could not create video capture "
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"module. Returning NULL");
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return NULL;
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}
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#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
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if (webrtc::videocapturemodule::CheckQTVersion() == false)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
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"QuickTime version is too old. Could not create video "
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"capture module. Returning NULL");
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return NULL;
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}
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"%s line %d. QTKit is not supported on this machine. Using "
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"QuickTime framework to capture video",
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__FILE__, __LINE__);
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RefCountImpl<videocapturemodule::VideoCaptureMacQuickTime>*
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newCaptureModule =
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new RefCountImpl<videocapturemodule::VideoCaptureMacQuickTime>(id);
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if (!newCaptureModule)
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{
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
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"could not Create for unique device %s, !newCaptureModule",
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deviceUniqueIdUTF8);
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return NULL;
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}
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if (newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0)
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{
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
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"could not Create for unique device %s, "
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"newCaptureModule->Init()!=0",
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deviceUniqueIdUTF8);
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delete newCaptureModule;
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return NULL;
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}
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// Successfully created VideoCaptureMacQuicktime. Return it
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"Module created for unique device %s. Will use QuickTime "
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"framework to capture",
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deviceUniqueIdUTF8);
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return newCaptureModule;
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#else // QTKit version
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"Using QTKit framework to capture video", id);
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RefCountImpl<videocapturemodule::VideoCaptureMacQTKit>* newCaptureModule =
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new RefCountImpl<videocapturemodule::VideoCaptureMacQTKit>(id);
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if(!newCaptureModule)
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{
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
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"could not Create for unique device %s, !newCaptureModule",
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deviceUniqueIdUTF8);
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return NULL;
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}
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if(newCaptureModule->Init(id, deviceUniqueIdUTF8) != 0)
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{
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WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, id,
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"could not Create for unique device %s, "
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"newCaptureModule->Init()!=0", deviceUniqueIdUTF8);
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delete newCaptureModule;
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return NULL;
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}
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// Successfully created VideoCaptureMacQuicktime. Return it
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"Module created for unique device %s, will use QTKit "
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"framework",deviceUniqueIdUTF8);
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return newCaptureModule;
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#endif
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}
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/**************************************************************************
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*
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* Create/Destroy a DeviceInfo
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*
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***************************************************************************/
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VideoCaptureModule::DeviceInfo*
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VideoCaptureImpl::CreateDeviceInfo(const int32_t id)
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{
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if (webrtc::videocapturemodule::CheckOSVersion() == false)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
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"OS version is too old. Could not create video capture "
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"module. Returning NULL");
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return NULL;
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}
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#if __MAC_OS_X_VERSION_MIN_REQUIRED == __MAC_10_4 // QuickTime version
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if (webrtc::videocapturemodule::CheckQTVersion() == false)
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{
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, id,
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"QuickTime version is too old. Could not create video "
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"capture module. Returning NULL");
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return NULL;
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}
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webrtc::videocapturemodule::VideoCaptureMacQuickTimeInfo* newCaptureInfoModule =
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new webrtc::videocapturemodule::VideoCaptureMacQuickTimeInfo(id);
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if (!newCaptureInfoModule || newCaptureInfoModule->Init() != 0)
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{
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Destroy(newCaptureInfoModule);
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newCaptureInfoModule = NULL;
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"Failed to Init newCaptureInfoModule created with id %d "
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"and device \"\" ", id);
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return NULL;
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}
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"VideoCaptureModule created for id", id);
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return newCaptureInfoModule;
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#else // QTKit version
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webrtc::videocapturemodule::VideoCaptureMacQTKitInfo* newCaptureInfoModule =
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new webrtc::videocapturemodule::VideoCaptureMacQTKitInfo(id);
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if(!newCaptureInfoModule || newCaptureInfoModule->Init() != 0)
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{
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//Destroy(newCaptureInfoModule);
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delete newCaptureInfoModule;
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newCaptureInfoModule = NULL;
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"Failed to Init newCaptureInfoModule created with id %d "
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"and device \"\" ", id);
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return NULL;
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}
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WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, id,
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"VideoCaptureModule created for id", id);
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return newCaptureInfoModule;
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#endif
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}
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/**************************************************************************
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*
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* End Create/Destroy VideoCaptureModule
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*
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***************************************************************************/
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} // namespace videocapturemodule
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} // namespace webrtc
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