1/* 2 * Copyright (C) 2013 Apple, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Ericsson nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32 33#if ENABLE(MEDIA_STREAM) 34 35#include "MediaStreamCenterMac.h" 36 37#include "AVCaptureDeviceManager.h" 38#include "MediaStreamCreationClient.h" 39#include "MediaStreamPrivate.h" 40#include "MediaStreamTrackSourcesRequestClient.h" 41#include <wtf/MainThread.h> 42 43namespace WebCore { 44 45MediaStreamCenter& MediaStreamCenter::platformCenter() 46{ 47 ASSERT(isMainThread()); 48 DEPRECATED_DEFINE_STATIC_LOCAL(MediaStreamCenterMac, center, ()); 49 return center; 50} 51 52MediaStreamCenterMac::MediaStreamCenterMac() 53{ 54} 55 56MediaStreamCenterMac::~MediaStreamCenterMac() 57{ 58} 59 60void MediaStreamCenterMac::validateRequestConstraints(PassRefPtr<MediaStreamCreationClient> prpQueryClient, PassRefPtr<MediaConstraints> audioConstraints, PassRefPtr<MediaConstraints> videoConstraints) 61{ 62 RefPtr<MediaStreamCreationClient> client = prpQueryClient; 63 64 ASSERT(client); 65 66 if (audioConstraints) { 67 String invalidConstraint; 68 AVCaptureDeviceManager::shared().verifyConstraintsForMediaType(MediaStreamSource::Audio, audioConstraints.get(), invalidConstraint); 69 if (!invalidConstraint.isEmpty()) { 70 client->constraintsInvalid(invalidConstraint); 71 return; 72 } 73 } 74 75 if (videoConstraints) { 76 String invalidConstraint; 77 AVCaptureDeviceManager::shared().verifyConstraintsForMediaType(MediaStreamSource::Video, videoConstraints.get(), invalidConstraint); 78 if (!invalidConstraint.isEmpty()) { 79 client->constraintsInvalid(invalidConstraint); 80 return; 81 } 82 } 83 84 client->constraintsValidated(); 85} 86 87void MediaStreamCenterMac::createMediaStream(PassRefPtr<MediaStreamCreationClient> prpQueryClient, PassRefPtr<MediaConstraints> audioConstraints, PassRefPtr<MediaConstraints> videoConstraints) 88{ 89 RefPtr<MediaStreamCreationClient> client = prpQueryClient; 90 91 ASSERT(client); 92 93 Vector<RefPtr<MediaStreamSource>> audioSources; 94 Vector<RefPtr<MediaStreamSource>> videoSources; 95 96 if (audioConstraints) { 97 String invalidConstraint; 98 AVCaptureDeviceManager::shared().verifyConstraintsForMediaType(MediaStreamSource::Audio, audioConstraints.get(), invalidConstraint); 99 if (!invalidConstraint.isEmpty()) { 100 client->failedToCreateStreamWithConstraintsError(invalidConstraint); 101 return; 102 } 103 104 RefPtr<MediaStreamSource> audioSource = AVCaptureDeviceManager::shared().bestSourceForTypeAndConstraints(MediaStreamSource::Audio, audioConstraints.get()); 105 ASSERT(audioSource); 106 107 audioSources.append(audioSource.release()); 108 } 109 110 if (videoConstraints) { 111 String invalidConstraint; 112 AVCaptureDeviceManager::shared().verifyConstraintsForMediaType(MediaStreamSource::Video, videoConstraints.get(), invalidConstraint); 113 if (!invalidConstraint.isEmpty()) { 114 client->failedToCreateStreamWithConstraintsError(invalidConstraint); 115 return; 116 } 117 118 RefPtr<MediaStreamSource> videoSource = AVCaptureDeviceManager::shared().bestSourceForTypeAndConstraints(MediaStreamSource::Video, videoConstraints.get()); 119 ASSERT(videoSource); 120 121 videoSources.append(videoSource.release()); 122 } 123 124 client->didCreateStream(MediaStreamPrivate::create(audioSources, videoSources)); 125} 126 127bool MediaStreamCenterMac::getMediaStreamTrackSources(PassRefPtr<MediaStreamTrackSourcesRequestClient> prpClient) 128{ 129 RefPtr<MediaStreamTrackSourcesRequestClient> requestClient = prpClient; 130 131 Vector<RefPtr<TrackSourceInfo>> sources = AVCaptureDeviceManager::shared().getSourcesInfo(requestClient->requestOrigin()); 132 133 requestClient->didCompleteRequest(sources); 134 return true; 135} 136 137} // namespace WebCore 138 139#endif // ENABLE(MEDIA_STREAM) 140