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/*
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef WebMediaPlayerClientImpl_h
#define WebMediaPlayerClientImpl_h
#include "platform/audio/AudioSourceProvider.h"
#include "platform/graphics/media/MediaPlayer.h"
#include "public/platform/WebAudioSourceProviderClient.h"
#include "public/platform/WebMediaPlayerClient.h"
#include "platform/weborigin/KURL.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/ThreadingPrimitives.h"
namespace blink {
class AudioSourceProviderClient;
class HTMLMediaElement;
class WebAudioSourceProvider;
class WebMediaPlayer;
// This class serves as a bridge between MediaPlayer and
// WebMediaPlayer.
class WebMediaPlayerClientImpl final : public MediaPlayer, public WebMediaPlayerClient {
public:
static PassOwnPtr<MediaPlayer> create(MediaPlayerClient*);
virtual ~WebMediaPlayerClientImpl();
// WebMediaPlayerClient methods:
virtual void networkStateChanged() override;
virtual void readyStateChanged() override;
virtual void timeChanged() override;
virtual void repaint() override;
virtual void durationChanged() override;
virtual void sizeChanged() override;
virtual void playbackStateChanged() override;
// WebEncryptedMediaPlayerClient methods:
virtual void keyAdded(const WebString& keySystem, const WebString& sessionId) override;
virtual void keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode) override;
virtual void keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL) override;
virtual void encrypted(const WebString& initDataType, const unsigned char* initData, unsigned initDataLength) override;
virtual void setWebLayer(WebLayer*) override;
virtual WebMediaPlayer::TrackId addAudioTrack(const WebString& id, AudioTrackKind, const WebString& label, const WebString& language, bool enabled) override;
virtual void removeAudioTrack(WebMediaPlayer::TrackId) override;
virtual WebMediaPlayer::TrackId addVideoTrack(const WebString& id, VideoTrackKind, const WebString& label, const WebString& language, bool selected) override;
virtual void removeVideoTrack(WebMediaPlayer::TrackId) override;
virtual void addTextTrack(WebInbandTextTrack*) override;
virtual void removeTextTrack(WebInbandTextTrack*) override;
virtual void mediaSourceOpened(WebMediaSource*) override;
virtual void requestFullscreen() override;
virtual void requestSeek(double) override;
virtual void remoteRouteAvailabilityChanged(bool) override;
virtual void connectedToRemoteDevice() override;
virtual void disconnectedFromRemoteDevice() override;
// MediaPlayer methods:
virtual WebMediaPlayer* webMediaPlayer() const override;
virtual void load(WebMediaPlayer::LoadType, const WTF::String& url, WebMediaPlayer::CORSMode) override;
virtual void setPreload(MediaPlayer::Preload) override;
#if ENABLE(WEB_AUDIO)
virtual AudioSourceProvider* audioSourceProvider() override;
#endif
private:
explicit WebMediaPlayerClientImpl(MediaPlayerClient*);
HTMLMediaElement& mediaElement() const;
MediaPlayerClient* m_client;
OwnPtr<WebMediaPlayer> m_webMediaPlayer;
#if ENABLE(WEB_AUDIO)
// AudioClientImpl wraps an AudioSourceProviderClient.
// When the audio format is known, Chromium calls setFormat() which then dispatches into WebCore.
class AudioClientImpl final : public GarbageCollectedFinalized<AudioClientImpl>, public WebAudioSourceProviderClient {
public:
explicit AudioClientImpl(AudioSourceProviderClient* client)
: m_client(client)
{
}
virtual ~AudioClientImpl() { }
// WebAudioSourceProviderClient
virtual void setFormat(size_t numberOfChannels, float sampleRate) override;
void trace(Visitor*);
private:
Member<AudioSourceProviderClient> m_client;
};
// AudioSourceProviderImpl wraps a WebAudioSourceProvider.
// provideInput() calls into Chromium to get a rendered audio stream.
class AudioSourceProviderImpl final : public AudioSourceProvider {
public:
AudioSourceProviderImpl()
: m_webAudioSourceProvider(0)
{
}
virtual ~AudioSourceProviderImpl() { }
// Wraps the given WebAudioSourceProvider.
void wrap(WebAudioSourceProvider*);
// AudioSourceProvider
virtual void setClient(AudioSourceProviderClient*) override;
virtual void provideInput(AudioBus*, size_t framesToProcess) override;
private:
WebAudioSourceProvider* m_webAudioSourceProvider;
Persistent<AudioClientImpl> m_client;
Mutex provideInputLock;
};
AudioSourceProviderImpl m_audioSourceProvider;
#endif
};
} // namespace blink
#endif
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