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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 "WebAudioSourceProviderClient.h"
#include "WebMediaPlayerClient.h"
#include "core/platform/audio/AudioSourceProvider.h"
#include "core/platform/graphics/InbandTextTrackPrivate.h"
#include "core/platform/graphics/MediaPlayer.h"
#if OS(ANDROID)
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/gpu/GrTexture.h"
#endif
#include "weborigin/KURL.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Threading.h"
namespace WebCore {
class AudioSourceProviderClient;
class HTMLMediaSource;
}
namespace WebKit {
class WebHelperPluginImpl;
class WebAudioSourceProvider;
class WebMediaPlayer;
// This class serves as a bridge between WebCore::MediaPlayer and
// WebKit::WebMediaPlayer.
class WebMediaPlayerClientImpl : public WebCore::MediaPlayer, public WebMediaPlayerClient {
public:
static PassOwnPtr<WebCore::MediaPlayer> create(WebCore::MediaPlayerClient*);
// Returns the encapsulated WebKit::WebMediaPlayer.
WebMediaPlayer* mediaPlayer() const;
// WebMediaPlayerClient methods:
virtual ~WebMediaPlayerClientImpl();
virtual void networkStateChanged();
virtual void readyStateChanged();
virtual void timeChanged();
virtual void repaint();
virtual void durationChanged();
virtual void sizeChanged();
virtual void setOpaque(bool);
virtual double volume() const;
virtual void playbackStateChanged();
virtual WebMediaPlayer::Preload preload() const;
virtual void keyAdded(const WebString& keySystem, const WebString& sessionId);
virtual void keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode);
virtual void keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL);
virtual void keyNeeded(const WebString& keySystem, const WebString& sessionId, const unsigned char* initData, unsigned initDataLength);
virtual WebPlugin* createHelperPlugin(const WebString& pluginType, WebFrame*);
virtual void closeHelperPlugin();
virtual bool needsWebLayerForVideo() const;
virtual void setWebLayer(WebLayer*);
virtual void addTextTrack(WebInbandTextTrack*);
virtual void removeTextTrack(WebInbandTextTrack*);
// MediaPlayer methods:
virtual void load(const WTF::String& url) OVERRIDE;
virtual void load(const WTF::String& url, PassRefPtr<WebCore::HTMLMediaSource>) OVERRIDE;
virtual WebKit::WebLayer* platformLayer() const OVERRIDE;
virtual void play() OVERRIDE;
virtual void pause() OVERRIDE;
virtual void prepareToPlay() OVERRIDE;
virtual bool supportsFullscreen() const OVERRIDE;
virtual bool supportsSave() const OVERRIDE;
virtual WebCore::IntSize naturalSize() const OVERRIDE;
virtual bool hasVideo() const OVERRIDE;
virtual bool hasAudio() const OVERRIDE;
virtual double duration() const OVERRIDE;
virtual double currentTime() const OVERRIDE;
virtual void seek(double time) OVERRIDE;
virtual bool seeking() const OVERRIDE;
virtual double rate() const OVERRIDE;
virtual void setRate(double) OVERRIDE;
virtual bool paused() const OVERRIDE;
virtual void setVolume(double) OVERRIDE;
virtual void setMuted(bool) OVERRIDE;
virtual WebCore::MediaPlayer::NetworkState networkState() const OVERRIDE;
virtual WebCore::MediaPlayer::ReadyState readyState() const OVERRIDE;
virtual double maxTimeSeekable() const OVERRIDE;
virtual WTF::PassRefPtr<WebCore::TimeRanges> buffered() const OVERRIDE;
virtual bool didLoadingProgress() const OVERRIDE;
virtual void paint(WebCore::GraphicsContext*, const WebCore::IntRect&) OVERRIDE;
virtual void paintCurrentFrameInContext(WebCore::GraphicsContext*, const WebCore::IntRect&) OVERRIDE;
virtual bool copyVideoTextureToPlatformTexture(WebCore::GraphicsContext3D*, Platform3DObject texture, GC3Dint level, GC3Denum type, GC3Denum internalFormat, bool premultiplyAlpha, bool flipY) OVERRIDE;
virtual void setPreload(WebCore::MediaPlayer::Preload) OVERRIDE;
virtual bool hasSingleSecurityOrigin() const OVERRIDE;
virtual bool didPassCORSAccessCheck() const OVERRIDE;
virtual double mediaTimeForTimeValue(double timeValue) const OVERRIDE;
virtual unsigned decodedFrameCount() const OVERRIDE;
virtual unsigned droppedFrameCount() const OVERRIDE;
virtual unsigned audioDecodedByteCount() const OVERRIDE;
virtual unsigned videoDecodedByteCount() const OVERRIDE;
#if USE(NATIVE_FULLSCREEN_VIDEO)
virtual void enterFullscreen() OVERRIDE;
virtual void exitFullscreen() OVERRIDE;
virtual bool canEnterFullscreen() const OVERRIDE;
#endif
#if ENABLE(WEB_AUDIO)
virtual WebCore::AudioSourceProvider* audioSourceProvider() OVERRIDE;
#endif
virtual bool supportsAcceleratedRendering() const OVERRIDE;
virtual WebCore::MediaPlayer::MediaKeyException generateKeyRequest(const String& keySystem, const unsigned char* initData, unsigned initDataLength) OVERRIDE;
virtual WebCore::MediaPlayer::MediaKeyException addKey(const String& keySystem, const unsigned char* key, unsigned keyLength, const unsigned char* initData, unsigned initDataLength, const String& sessionId) OVERRIDE;
virtual WebCore::MediaPlayer::MediaKeyException cancelKeyRequest(const String& keySystem, const String& sessionId) OVERRIDE;
private:
explicit WebMediaPlayerClientImpl(WebCore::MediaPlayerClient*);
void startDelayedLoad();
void loadRequested();
void loadInternal();
bool acceleratedRenderingInUse();
#if OS(ANDROID)
// FIXME: This path "only works" on Android. It is a workaround for the problem that Skia could not handle Android's GL_TEXTURE_EXTERNAL_OES
// texture internally. It should be removed and replaced by the normal paint path.
// https://code.google.com/p/skia/issues/detail?id=1189
void paintOnAndroid(WebCore::GraphicsContext* context, WebCore::GraphicsContext3D* context3D, const WebCore::IntRect& rect, uint8_t alpha);
SkAutoTUnref<GrTexture> m_texture;
SkBitmap m_bitmap;
#endif
WebCore::MediaPlayerClient* m_client;
OwnPtr<WebMediaPlayer> m_webMediaPlayer;
WebCore::KURL m_url;
bool m_isMediaStream;
bool m_delayingLoad;
WebCore::MediaPlayer::Preload m_preload;
RefPtr<WebHelperPluginImpl> m_helperPlugin;
WebLayer* m_videoLayer;
bool m_opaque;
bool m_needsWebLayerForVideo;
double m_volume;
bool m_muted;
double m_rate;
#if ENABLE(WEB_AUDIO)
// AudioClientImpl wraps an AudioSourceProviderClient.
// When the audio format is known, Chromium calls setFormat() which then dispatches into WebCore.
class AudioClientImpl : public WebKit::WebAudioSourceProviderClient {
public:
AudioClientImpl(WebCore::AudioSourceProviderClient* client)
: m_client(client)
{
}
virtual ~AudioClientImpl() { }
// WebAudioSourceProviderClient
virtual void setFormat(size_t numberOfChannels, float sampleRate);
private:
WebCore::AudioSourceProviderClient* m_client;
};
// AudioSourceProviderImpl wraps a WebAudioSourceProvider.
// provideInput() calls into Chromium to get a rendered audio stream.
class AudioSourceProviderImpl : public WebCore::AudioSourceProvider {
public:
AudioSourceProviderImpl()
: m_webAudioSourceProvider(0)
{
}
virtual ~AudioSourceProviderImpl() { }
// Wraps the given WebAudioSourceProvider.
void wrap(WebAudioSourceProvider*);
// WebCore::AudioSourceProvider
virtual void setClient(WebCore::AudioSourceProviderClient*);
virtual void provideInput(WebCore::AudioBus*, size_t framesToProcess);
private:
WebAudioSourceProvider* m_webAudioSourceProvider;
OwnPtr<AudioClientImpl> m_client;
Mutex provideInputLock;
};
AudioSourceProviderImpl m_audioSourceProvider;
#endif
RefPtr<WebCore::HTMLMediaSource> m_mediaSource;
};
} // namespace WebKit
#endif
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