2
* Copyright (C) 2020 Apple Inc. All rights reserved.
4
* Redistribution and use in source and binary forms, with or without
5
* modification, are permitted provided that the following conditions
7
* 1. Redistributions of source code must retain the above copyright
8
* notice, this list of conditions and the following disclaimer.
9
* 2. Redistributions in binary form must reproduce the above copyright
10
* notice, this list of conditions and the following disclaimer in the
11
* documentation and/or other materials provided with the distribution.
13
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23
* THE POSSIBILITY OF SUCH DAMAGE.
28
#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)
30
#include "AudioMediaStreamTrackRendererIdentifier.h"
31
#include "SharedRingBufferStorage.h"
32
#include <WebCore/AudioMediaStreamTrackRenderer.h>
33
#include <wtf/MediaTime.h>
41
class AudioMediaStreamTrackRenderer final : public WebCore::AudioMediaStreamTrackRenderer, public SharedRingBufferStorage::Client {
42
WTF_MAKE_FAST_ALLOCATED;
44
static std::unique_ptr<WebCore::AudioMediaStreamTrackRenderer> create();
45
~AudioMediaStreamTrackRenderer();
47
AudioMediaStreamTrackRendererIdentifier identifier() const { return m_identifier; }
50
explicit AudioMediaStreamTrackRenderer(Ref<IPC::Connection>&&);
52
// SharedRingBufferStorage::Client
53
void storageChanged(SharedMemory*);
55
// WebCore::AudioMediaStreamTrackRenderer
59
void setMuted(bool) final;
60
void setVolume(float) final;
61
void pushSamples(const MediaTime&, const WebCore::PlatformAudioData&, const WebCore::AudioStreamDescription&, size_t) final;
63
Ref<IPC::Connection> m_connection;
64
AudioMediaStreamTrackRendererIdentifier m_identifier;
66
std::unique_ptr<WebCore::CARingBuffer> m_ringBuffer;
67
WebCore::CAAudioStreamDescription m_description { };
68
int64_t m_numberOfFrames { 0 };
69
bool m_isPlaying { false };
74
#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)