1 /* 2 * Copyright 2014 Google 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 #ifndef MediaStreamWebAudioSource_h 32 #define MediaStreamWebAudioSource_h 33 34 #include "platform/audio/AudioSourceProvider.h" 35 #include "wtf/Noncopyable.h" 36 #include "wtf/OwnPtr.h" 37 #include "wtf/PassOwnPtr.h" 38 #include "wtf/ThreadingPrimitives.h" 39 40 namespace blink { 41 class WebAudioSourceProvider; 42 } 43 44 namespace WebCore { 45 46 class MediaStreamWebAudioSource : public AudioSourceProvider { 47 WTF_MAKE_NONCOPYABLE(MediaStreamWebAudioSource); 48 public: create(PassOwnPtr<blink::WebAudioSourceProvider> provider)49 static PassOwnPtr<MediaStreamWebAudioSource> create(PassOwnPtr<blink::WebAudioSourceProvider> provider) { return adoptPtr(new MediaStreamWebAudioSource(provider)); } 50 51 virtual ~MediaStreamWebAudioSource(); 52 53 private: 54 explicit MediaStreamWebAudioSource(PassOwnPtr<blink::WebAudioSourceProvider>); 55 56 // WebCore::AudioSourceProvider implementation. 57 virtual void provideInput(WebCore::AudioBus*, size_t framesToProcess) OVERRIDE; 58 59 OwnPtr<blink::WebAudioSourceProvider> m_webAudioSourceProvider; 60 }; 61 62 } // namespace WebCore 63 64 #endif // MediaStreamWebAudioSource_h 65