| /* |
| * Copyright (C) 2013 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "MediaStreamAudioSource.h" |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| #include "AudioSourceProvider.h" |
| #include "NotImplemented.h" |
| #include <wtf/UUID.h> |
| |
| namespace WebCore { |
| |
| Ref<MediaStreamAudioSource> MediaStreamAudioSource::create() |
| { |
| return adoptRef(*new MediaStreamAudioSource()); |
| } |
| |
| MediaStreamAudioSource::MediaStreamAudioSource() |
| : RealtimeMediaSource(ASCIILiteral("WebAudio-") + createCanonicalUUIDString(), RealtimeMediaSource::Type::Audio, "MediaStreamAudioDestinationNode") |
| { |
| } |
| |
| const RealtimeMediaSourceCapabilities& MediaStreamAudioSource::capabilities() const |
| { |
| // FIXME: implement this. |
| // https://bugs.webkit.org/show_bug.cgi?id=122430 |
| notImplemented(); |
| return RealtimeMediaSourceCapabilities::emptyCapabilities(); |
| } |
| |
| const RealtimeMediaSourceSettings& MediaStreamAudioSource::settings() const |
| { |
| // FIXME: implement this. |
| // https://bugs.webkit.org/show_bug.cgi?id=122430 |
| notImplemented(); |
| return m_currentSettings; |
| } |
| |
| void MediaStreamAudioSource::addAudioConsumer(AudioDestinationConsumer* consumer) |
| { |
| LockHolder locker(m_audioConsumersLock); |
| m_audioConsumers.append(consumer); |
| } |
| |
| bool MediaStreamAudioSource::removeAudioConsumer(AudioDestinationConsumer* consumer) |
| { |
| LockHolder locker(m_audioConsumersLock); |
| size_t pos = m_audioConsumers.find(consumer); |
| if (pos != notFound) { |
| m_audioConsumers.remove(pos); |
| return true; |
| } |
| return false; |
| } |
| |
| void MediaStreamAudioSource::setAudioFormat(size_t numberOfChannels, float sampleRate) |
| { |
| LockHolder locker(m_audioConsumersLock); |
| for (auto& consumer : m_audioConsumers) |
| consumer->setFormat(numberOfChannels, sampleRate); |
| } |
| |
| void MediaStreamAudioSource::consumeAudio(AudioBus* bus, size_t numberOfFrames) |
| { |
| LockHolder locker(m_audioConsumersLock); |
| for (auto& consumer : m_audioConsumers) |
| consumer->consumeAudio(bus, numberOfFrames); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MEDIA_STREAM) |