Bug 1374938 - use our own avfoundation wrapper. r=jib

MozReview-Commit-ID: KObTvtvRk10

--HG--
extra : rebase_source : 0fe3d7580cd6f64fad2dce791d52965893a7046a

media/webrtc/trunk/webrtc/modules/video_capture/mac/avfoundation/video_capture_avfoundation.mm

@@ -36,7 +36,6 @@ namespace videocapturemodule
 {
 
 VideoCaptureMacAVFoundation::VideoCaptureMacAVFoundation(const int32_t id) :
-    VideoCaptureImpl(id),
     _captureDevice(NULL),
     _captureInfo(NULL),
     _isCapturing(false),

media/webrtc/trunk/webrtc/modules/video_capture/mac/avfoundation/video_capture_avfoundation_info.mm

@@ -19,8 +19,7 @@ namespace webrtc
 namespace videocapturemodule
 {
 
-VideoCaptureMacAVFoundationInfo::VideoCaptureMacAVFoundationInfo(const int32_t id) :
-    DeviceInfoImpl(id)
+VideoCaptureMacAVFoundationInfo::VideoCaptureMacAVFoundationInfo(const int32_t id)
 {
     nsAutoreleasePool localPool;
     _captureInfo = [[VideoCaptureMacAVFoundationInfoObjC alloc] init];
@@ -99,7 +98,7 @@ int32_t VideoCaptureMacAVFoundationInfo::DisplayCaptureSettingsDialogBox(
     const char* dialogTitleUTF8, void* parentWindow,
     uint32_t positionX, uint32_t positionY)
 {
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, _id,
+    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, 0,
                  "API not supported on Mac OS X.");
     return -1;
 }
@@ -107,7 +106,7 @@ int32_t VideoCaptureMacAVFoundationInfo::DisplayCaptureSettingsDialogBox(
 int32_t VideoCaptureMacAVFoundationInfo::CreateCapabilityMap(
     const char* deviceUniqueIdUTF8)
 {
-    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, _id,
+    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, 0,
                  "API not supported on Mac OS X.");
     return -1;
 }

media/webrtc/trunk/webrtc/modules/video_capture/mac/video_capture_mac.mm

@@ -0,0 +1,159 @@
+/*
+ *  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 "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"
+
+#include "webrtc/modules/video_capture/mac/avfoundation/video_capture_avfoundation.h"
+#include "webrtc/modules/video_capture/mac/avfoundation/video_capture_avfoundation_info.h"
+
+namespace webrtc
+{
+namespace videocapturemodule
+{
+
+// static
+bool CheckOSVersion()
+{
+    // Check OSX version is at least 10.7 (min for AVFoundation)
+    int major = 0;
+    int minor = 0;
+
+    NSString* versionString = [[NSDictionary dictionaryWithContentsOfFile:
+                                @"/System/Library/CoreServices/SystemVersion.plist"] objectForKey:@"ProductVersion"];
+    NSArray* versions = [versionString componentsSeparatedByString:@"."];
+    NSUInteger count = [versions count];
+    if (count > 0) {
+        major = [(NSString *)[versions objectAtIndex:0] integerValue];
+        if (count > 1) {
+            minor = [(NSString *)[versions objectAtIndex:1] integerValue];
+        }
+    }
+
+    if (major < 10)
+    {
+      return false;
+    }
+    if ((major == 10) && (minor < 7)) {
+      return false;
+    }
+
+    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 char* deviceUniqueIdUTF8)
+{
+
+    if (webrtc::videocapturemodule::CheckOSVersion() == false)
+    {
+        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
+                     "OS version is too old. Could not create video capture "
+                     "module. Returning NULL");
+        return NULL;
+    }
+
+    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, 0,
+                 "Using AVFoundation framework to capture video", 0);
+
+    rtc::scoped_refptr<videocapturemodule::VideoCaptureMacAVFoundation> newCaptureModule(
+        new rtc::RefCountedObject<videocapturemodule::VideoCaptureMacAVFoundation>(0));
+
+    if(!newCaptureModule)
+    {
+        WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
+                     "could not Create for unique device %s, !newCaptureModule",
+                     deviceUniqueIdUTF8);
+        return NULL;
+    }
+    if(newCaptureModule->Init(0, deviceUniqueIdUTF8) != 0)
+    {
+        WEBRTC_TRACE(webrtc::kTraceDebug, webrtc::kTraceVideoCapture, 0,
+                     "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, 0,
+                 "Module created for unique device %s, will use AVFoundation "
+                 "framework",deviceUniqueIdUTF8);
+    return newCaptureModule;
+}
+
+/**************************************************************************
+ *
+ *    Create/Destroy a DeviceInfo
+ *
+ ***************************************************************************/
+
+VideoCaptureModule::DeviceInfo*
+VideoCaptureImpl::CreateDeviceInfo()
+{
+
+
+    if (webrtc::videocapturemodule::CheckOSVersion() == false)
+    {
+        WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
+                     "OS version is too old. Could not create video capture "
+                     "module. Returning NULL");
+        return NULL;
+    }
+
+    webrtc::videocapturemodule::VideoCaptureMacAVFoundationInfo* newCaptureInfoModule =
+        new webrtc::videocapturemodule::VideoCaptureMacAVFoundationInfo(0);
+
+    if(!newCaptureInfoModule || newCaptureInfoModule->Init() != 0)
+    {
+        //Destroy(newCaptureInfoModule);
+        delete newCaptureInfoModule;
+        newCaptureInfoModule = NULL;
+        WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, 0,
+                     "Failed to Init newCaptureInfoModule created with id %d "
+                     "and device \"\" ", 0);
+        return NULL;
+    }
+    WEBRTC_TRACE(webrtc::kTraceInfo, webrtc::kTraceVideoCapture, 0,
+                 "VideoCaptureModule created for id", 0);
+    return newCaptureInfoModule;
+
+}
+
+/**************************************************************************
+ *
+ *    End Create/Destroy VideoCaptureModule
+ *
+ ***************************************************************************/
+}  // namespace videocapturemodule
+}  // namespace webrtc

media/webrtc/trunk/webrtc/modules/video_capture/video_capture.gypi

@@ -75,6 +75,28 @@
                 'linux/video_capture_linux.h',
               ],
             }],
+            ['OS=="mac"', {
+              'sources': [
+                'mac/avfoundation/video_capture_avfoundation.h',
+                'mac/avfoundation/video_capture_avfoundation.mm',
+                'mac/avfoundation/video_capture_avfoundation_info.h',
+                'mac/avfoundation/video_capture_avfoundation_info.mm',
+                'mac/avfoundation/video_capture_avfoundation_info_objc.h',
+                'mac/avfoundation/video_capture_avfoundation_info_objc.mm',
+                'mac/avfoundation/video_capture_avfoundation_objc.h',
+                'mac/avfoundation/video_capture_avfoundation_objc.mm',
+                'mac/avfoundation/video_capture_avfoundation_utility.h',
+                'mac/video_capture_mac.mm',
+              ],
+              'link_settings': {
+                'xcode_settings': {
+                  'OTHER_LDFLAGS': [
+                    '-framework Cocoa',
+                    '-framework CoreVideo',
+                  ],
+                },
+              },
+            }],  # mac
             ['OS=="win"', {
               'conditions': [
                 ['build_with_mozilla==0', {
@@ -133,7 +155,7 @@
                 'android/video_capture_android.h',
               ],
             }],  # android
-            ['OS=="ios" or OS=="mac"', {
+            ['OS=="ios"', {
               'sources': [
                 'objc/device_info.h',
                 'objc/device_info.mm',