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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // AVFoundation API is only introduced in Mac OS X > 10.6, and there is only one | |
| 6 // build of Chromium, so the (potential) linking with AVFoundation has to happen | |
| 7 // in runtime. For this to be clean, an AVFoundationGlue class is defined to try | |
| 8 // and load these AVFoundation system libraries. If it succeeds, subsequent | |
| 9 // clients can use AVFoundation via the rest of the classes declared in this | |
| 10 // file. | |
| 11 | |
| 12 #ifndef MEDIA_VIDEO_CAPTURE_MAC_AVFOUNDATION_GLUE_H_ | |
| 13 #define MEDIA_VIDEO_CAPTURE_MAC_AVFOUNDATION_GLUE_H_ | |
| 14 | |
| 15 #import <Foundation/Foundation.h> | |
| 16 | |
| 17 #include "base/basictypes.h" | |
| 18 #include "media/base/media_export.h" | |
| 19 #import "media/video/capture/mac/coremedia_glue.h" | |
| 20 | |
| 21 class MEDIA_EXPORT AVFoundationGlue { | |
| 22 public: | |
| 23 // This method returns true if the OS version supports AVFoundation and the | |
| 24 // AVFoundation bundle could be loaded correctly, or false otherwise. | |
| 25 static bool IsAVFoundationSupported(); | |
| 26 | |
| 27 static NSBundle const* AVFoundationBundle(); | |
| 28 | |
| 29 static void* AVFoundationLibraryHandle(); | |
| 30 | |
| 31 // Originally coming from AVCaptureDevice.h but in global namespace. | |
| 32 static NSString* AVCaptureDeviceWasConnectedNotification(); | |
| 33 static NSString* AVCaptureDeviceWasDisconnectedNotification(); | |
| 34 | |
| 35 // Originally coming from AVMediaFormat.h but in global namespace. | |
| 36 static NSString* AVMediaTypeVideo(); | |
| 37 static NSString* AVMediaTypeAudio(); | |
| 38 static NSString* AVMediaTypeMuxed(); | |
| 39 | |
| 40 // Originally from AVCaptureSession.h but in global namespace. | |
| 41 static NSString* AVCaptureSessionRuntimeErrorNotification(); | |
| 42 static NSString* AVCaptureSessionDidStopRunningNotification(); | |
| 43 static NSString* AVCaptureSessionErrorKey(); | |
| 44 | |
| 45 // Originally from AVVideoSettings.h but in global namespace. | |
| 46 static NSString* AVVideoScalingModeKey(); | |
| 47 static NSString* AVVideoScalingModeResizeAspectFill(); | |
| 48 | |
| 49 static Class AVCaptureSessionClass(); | |
| 50 static Class AVCaptureVideoDataOutputClass(); | |
| 51 | |
| 52 private: | |
| 53 DISALLOW_IMPLICIT_CONSTRUCTORS(AVFoundationGlue); | |
| 54 }; | |
| 55 | |
| 56 // Originally AVCaptureDevice and coming from AVCaptureDevice.h | |
| 57 MEDIA_EXPORT | |
| 58 @interface CrAVCaptureDevice : NSObject | |
| 59 | |
| 60 - (BOOL)hasMediaType:(NSString*)mediaType; | |
| 61 - (NSString*)uniqueID; | |
| 62 - (NSString*)localizedName; | |
| 63 - (BOOL)isSuspended; | |
| 64 - (NSArray*)formats; | |
| 65 - (int32_t)transportType; | |
| 66 | |
| 67 @end | |
| 68 | |
| 69 // Originally AVCaptureDeviceFormat and coming from AVCaptureDevice.h. | |
| 70 MEDIA_EXPORT | |
| 71 @interface CrAVCaptureDeviceFormat : NSObject | |
| 72 | |
| 73 - (CoreMediaGlue::CMFormatDescriptionRef)formatDescription; | |
| 74 - (NSArray*)videoSupportedFrameRateRanges; | |
| 75 | |
| 76 @end | |
| 77 | |
| 78 // Originally AVFrameRateRange and coming from AVCaptureDevice.h. | |
| 79 MEDIA_EXPORT | |
| 80 @interface CrAVFrameRateRange : NSObject | |
| 81 | |
| 82 - (Float64)maxFrameRate; | |
| 83 | |
| 84 @end | |
| 85 | |
| 86 MEDIA_EXPORT | |
| 87 @interface CrAVCaptureInput // Originally from AVCaptureInput.h. | |
| 88 @end | |
| 89 | |
| 90 MEDIA_EXPORT | |
| 91 @interface CrAVCaptureOutput // Originally from AVCaptureOutput.h. | |
| 92 @end | |
| 93 | |
| 94 // Originally AVCaptureSession and coming from AVCaptureSession.h. | |
| 95 MEDIA_EXPORT | |
| 96 @interface CrAVCaptureSession : NSObject | |
| 97 | |
| 98 - (void)release; | |
| 99 - (void)addInput:(CrAVCaptureInput*)input; | |
| 100 - (void)removeInput:(CrAVCaptureInput*)input; | |
| 101 - (void)addOutput:(CrAVCaptureOutput*)output; | |
| 102 - (void)removeOutput:(CrAVCaptureOutput*)output; | |
| 103 - (BOOL)isRunning; | |
| 104 - (void)startRunning; | |
| 105 - (void)stopRunning; | |
| 106 | |
| 107 @end | |
| 108 | |
| 109 // Originally AVCaptureConnection and coming from AVCaptureSession.h. | |
| 110 MEDIA_EXPORT | |
| 111 @interface CrAVCaptureConnection : NSObject | |
| 112 | |
| 113 - (BOOL)isVideoMinFrameDurationSupported; | |
| 114 - (void)setVideoMinFrameDuration:(CoreMediaGlue::CMTime)minFrameRate; | |
| 115 - (BOOL)isVideoMaxFrameDurationSupported; | |
| 116 - (void)setVideoMaxFrameDuration:(CoreMediaGlue::CMTime)maxFrameRate; | |
| 117 | |
| 118 @end | |
| 119 | |
| 120 // Originally AVCaptureDeviceInput and coming from AVCaptureInput.h. | |
| 121 MEDIA_EXPORT | |
| 122 @interface CrAVCaptureDeviceInput : CrAVCaptureInput | |
| 123 | |
| 124 @end | |
| 125 | |
| 126 // Originally AVCaptureVideoDataOutputSampleBufferDelegate from | |
| 127 // AVCaptureOutput.h. | |
| 128 @protocol CrAVCaptureVideoDataOutputSampleBufferDelegate <NSObject> | |
| 129 | |
| 130 @optional | |
| 131 | |
| 132 - (void)captureOutput:(CrAVCaptureOutput*)captureOutput | |
| 133 didOutputSampleBuffer:(CoreMediaGlue::CMSampleBufferRef)sampleBuffer | |
| 134 fromConnection:(CrAVCaptureConnection*)connection; | |
| 135 | |
| 136 @end | |
| 137 | |
| 138 // Originally AVCaptureVideoDataOutput and coming from AVCaptureOutput.h. | |
| 139 MEDIA_EXPORT | |
| 140 @interface CrAVCaptureVideoDataOutput : CrAVCaptureOutput | |
| 141 | |
| 142 - (oneway void)release; | |
| 143 - (void)setSampleBufferDelegate:(id)sampleBufferDelegate | |
| 144 queue:(dispatch_queue_t)sampleBufferCallbackQueue; | |
| 145 | |
| 146 - (void)setVideoSettings:(NSDictionary*)videoSettings; | |
| 147 - (NSDictionary*)videoSettings; | |
| 148 - (CrAVCaptureConnection*)connectionWithMediaType:(NSString*)mediaType; | |
| 149 | |
| 150 @end | |
| 151 | |
| 152 // Class to provide access to class methods of AVCaptureDevice. | |
| 153 MEDIA_EXPORT | |
| 154 @interface AVCaptureDeviceGlue : NSObject | |
| 155 | |
| 156 + (NSArray*)devices; | |
| 157 | |
| 158 + (CrAVCaptureDevice*)deviceWithUniqueID:(NSString*)deviceUniqueID; | |
| 159 | |
| 160 @end | |
| 161 | |
| 162 // Class to provide access to class methods of AVCaptureDeviceInput. | |
| 163 MEDIA_EXPORT | |
| 164 @interface AVCaptureDeviceInputGlue : NSObject | |
| 165 | |
| 166 + (CrAVCaptureDeviceInput*)deviceInputWithDevice:(CrAVCaptureDevice*)device | |
| 167 error:(NSError**)outError; | |
| 168 | |
| 169 @end | |
| 170 | |
| 171 #endif // MEDIA_VIDEO_CAPTURE_MAC_AVFOUNDATION_GLUE_H_ | |
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Chromium Code Reviews
Issue 518313003:
Move Mac media glue code from media/video/capture/mac to media/base/mac (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master