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/*
* Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2007 Collabora Ltd. All rights reserved.
* Copyright (C) 2007 Alp Toker <alp@atoker.com>
* Copyright (C) 2009, 2010, 2015, 2016 Igalia S.L
* Copyright (C) 2015, 2016 Metrological Group B.V.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef MediaPlayerPrivateGStreamerBase_h
#define MediaPlayerPrivateGStreamerBase_h
#if ENABLE(VIDEO) && USE(GSTREAMER)
#include "GStreamerCommon.h"
#include "GStreamerEMEUtilities.h"
#include "MainThreadNotifier.h"
#include "MediaPlayerPrivate.h"
#include "PlatformLayer.h"
#include <glib.h>
#include <gst/gst.h>
#include <wtf/Condition.h>
#include <wtf/Forward.h>
#include <wtf/RunLoop.h>
#include <wtf/WeakPtr.h>
#include <wtf/threads/BinarySemaphore.h>
#if USE(GSTREAMER_GL)
#if USE(LIBEPOXY)
// Include the <epoxy/gl.h> header before <gst/gl/gl.h>.
#include <epoxy/gl.h>
// Workaround build issue with RPi userland GLESv2 headers and libepoxy <https://webkit.org/b/185639>
#if !GST_CHECK_VERSION(1, 14, 0)
#include <gst/gl/gstglconfig.h>
#if defined(GST_GL_HAVE_WINDOW_DISPMANX) && GST_GL_HAVE_WINDOW_DISPMANX
#define __gl2_h_
#undef GST_GL_HAVE_GLSYNC
#define GST_GL_HAVE_GLSYNC 1
#endif
#endif // !GST_CHECK_VERSION(1, 14, 0)
#endif // USE(LIBEPOXY)
#define GST_USE_UNSTABLE_API
#include <gst/gl/gl.h>
#undef GST_USE_UNSTABLE_API
#endif
#if USE(TEXTURE_MAPPER_GL)
#include "TextureMapperGL.h"
#if USE(NICOSIA)
#include "NicosiaContentLayerTextureMapperImpl.h"
#else
#include "TextureMapperPlatformLayerProxyProvider.h"
#endif
#endif
typedef struct _GstStreamVolume GstStreamVolume;
typedef struct _GstVideoInfo GstVideoInfo;
typedef struct _GstGLContext GstGLContext;
typedef struct _GstGLDisplay GstGLDisplay;
namespace WebCore {
class BitmapTextureGL;
class GLContext;
class GraphicsContext;
class GraphicsContext3D;
class IntSize;
class IntRect;
class VideoTextureCopierGStreamer;
#if USE(TEXTURE_MAPPER_GL)
class TextureMapperPlatformLayerProxy;
#endif
void registerWebKitGStreamerElements();
// Use eager initialization for the WeakPtrFactory since we call makeWeakPtr() from another thread.
class MediaPlayerPrivateGStreamerBase : public MediaPlayerPrivateInterface, public CanMakeWeakPtr<MediaPlayerPrivateGStreamerBase, WeakPtrFactoryInitialization::Eager>
#if USE(TEXTURE_MAPPER_GL)
#if USE(NICOSIA)
, public Nicosia::ContentLayerTextureMapperImpl::Client
#else
, public PlatformLayer
#endif
#endif
{
WTF_MAKE_FAST_ALLOCATED;
public:
static void initializeDebugCategory();
virtual ~MediaPlayerPrivateGStreamerBase();
FloatSize naturalSize() const override;
void setVolume(float) override;
float volume() const override;
#if USE(GSTREAMER_GL)
bool ensureGstGLContext();
GstContext* requestGLContext(const char* contextType);
#endif
void setMuted(bool) override;
bool muted() const;
MediaPlayer::NetworkState networkState() const override;
MediaPlayer::ReadyState readyState() const override;
void setVisible(bool) override { }
void setSize(const IntSize&) override;
void sizeChanged();
// Prefer MediaTime based methods over float based.
float duration() const override { return durationMediaTime().toFloat(); }
double durationDouble() const override { return durationMediaTime().toDouble(); }
MediaTime durationMediaTime() const override { return MediaTime::zeroTime(); }
float currentTime() const override { return currentMediaTime().toFloat(); }
double currentTimeDouble() const override { return currentMediaTime().toDouble(); }
MediaTime currentMediaTime() const override { return MediaTime::zeroTime(); }
void seek(float time) override { seek(MediaTime::createWithFloat(time)); }
void seekDouble(double time) override { seek(MediaTime::createWithDouble(time)); }
void seek(const MediaTime&) override { }
float maxTimeSeekable() const override { return maxMediaTimeSeekable().toFloat(); }
MediaTime maxMediaTimeSeekable() const override { return MediaTime::zeroTime(); }
double minTimeSeekable() const override { return minMediaTimeSeekable().toFloat(); }
MediaTime minMediaTimeSeekable() const override { return MediaTime::zeroTime(); }
void paint(GraphicsContext&, const FloatRect&) override;
bool hasSingleSecurityOrigin() const override { return true; }
virtual MediaTime maxTimeLoaded() const { return MediaTime::zeroTime(); }
bool supportsFullscreen() const override;
MediaPlayer::MovieLoadType movieLoadType() const override;
virtual bool isLiveStream() const = 0;
MediaPlayer* mediaPlayer() const { return m_player; }
unsigned decodedFrameCount() const override;
unsigned droppedFrameCount() const override;
unsigned audioDecodedByteCount() const override;
unsigned videoDecodedByteCount() const override;
void acceleratedRenderingStateChanged() override;
#if USE(TEXTURE_MAPPER_GL)
PlatformLayer* platformLayer() const override;
#if PLATFORM(WIN_CAIRO)
// FIXME: Accelerated rendering has not been implemented for WinCairo yet.
bool supportsAcceleratedRendering() const override { return false; }
#else
bool supportsAcceleratedRendering() const override { return true; }
#endif
#endif
#if ENABLE(ENCRYPTED_MEDIA)
void cdmInstanceAttached(CDMInstance&) override;
void cdmInstanceDetached(CDMInstance&) override;
void handleProtectionEvent(GstEvent*);
virtual void attemptToDecryptWithLocalInstance();
void attemptToDecryptWithInstance(CDMInstance&) final;
void initializationDataEncountered(InitData&&);
void setWaitingForKey(bool);
bool waitingForKey() const override;
#endif
static bool supportsKeySystem(const String& keySystem, const String& mimeType);
static MediaPlayer::SupportsType extendedSupportsType(const MediaEngineSupportParameters&, MediaPlayer::SupportsType);
#if USE(GSTREAMER_GL)
bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject, GC3Denum, GC3Dint, GC3Denum, GC3Denum, GC3Denum, bool, bool) override;
NativeImagePtr nativeImageForCurrentTime() override;
#endif
void setVideoSourceOrientation(ImageOrientation);
GstElement* pipeline() const { return m_pipeline.get(); }
virtual bool handleSyncMessage(GstMessage*);
protected:
MediaPlayerPrivateGStreamerBase(MediaPlayer*);
virtual GstElement* createVideoSink();
#if USE(GSTREAMER_HOLEPUNCH)
GstElement* createHolePunchVideoSink();
void pushNextHolePunchBuffer();
bool shouldIgnoreIntrinsicSize() final { return true; }
#endif
#if USE(GSTREAMER_GL)
static GstFlowReturn newSampleCallback(GstElement*, MediaPlayerPrivateGStreamerBase*);
static GstFlowReturn newPrerollCallback(GstElement*, MediaPlayerPrivateGStreamerBase*);
void flushCurrentBuffer();
GstElement* createGLAppSink();
GstElement* createVideoSinkGL();
GstGLContext* gstGLContext() const { return m_glContext.get(); }
GstGLDisplay* gstGLDisplay() const { return m_glDisplay.get(); }
void ensureGLVideoSinkContext();
#endif
#if USE(TEXTURE_MAPPER_GL)
void pushTextureToCompositor();
#if USE(NICOSIA)
void swapBuffersIfNeeded() override;
#else
RefPtr<TextureMapperPlatformLayerProxy> proxy() const override;
void swapBuffersIfNeeded() override;
#endif
#endif
GstElement* videoSink() const { return m_videoSink.get(); }
void setStreamVolumeElement(GstStreamVolume*);
virtual GstElement* createAudioSink() { return 0; }
virtual GstElement* audioSink() const { return 0; }
void setPipeline(GstElement*);
void triggerRepaint(GstSample*);
void repaint();
void cancelRepaint(bool destroying = false);
static void repaintCallback(MediaPlayerPrivateGStreamerBase*, GstSample*);
static void repaintCancelledCallback(MediaPlayerPrivateGStreamerBase*);
void notifyPlayerOfVolumeChange();
void notifyPlayerOfMute();
static void volumeChangedCallback(MediaPlayerPrivateGStreamerBase*);
static void muteChangedCallback(MediaPlayerPrivateGStreamerBase*);
#if USE(TEXTURE_MAPPER_GL)
void updateTextureMapperFlags();
TextureMapperGL::Flags m_textureMapperFlags;
#endif
enum MainThreadNotification {
VideoChanged = 1 << 0,
VideoCapsChanged = 1 << 1,
AudioChanged = 1 << 2,
VolumeChanged = 1 << 3,
MuteChanged = 1 << 4,
#if ENABLE(VIDEO_TRACK)
TextChanged = 1 << 5,
#endif
SizeChanged = 1 << 6,
StreamCollectionChanged = 1 << 7
};
Ref<MainThreadNotifier<MainThreadNotification>> m_notifier;
MediaPlayer* m_player;
GRefPtr<GstElement> m_pipeline;
GRefPtr<GstStreamVolume> m_volumeElement;
GRefPtr<GstElement> m_videoSink;
GRefPtr<GstElement> m_fpsSink;
MediaPlayer::ReadyState m_readyState;
mutable MediaPlayer::NetworkState m_networkState;
IntSize m_size;
mutable Lock m_sampleMutex;
GRefPtr<GstSample> m_sample;
mutable FloatSize m_videoSize;
bool m_usingFallbackVideoSink { false };
bool m_renderingCanBeAccelerated { false };
Condition m_drawCondition;
Lock m_drawMutex;
bool m_destroying { false };
RunLoop::Timer<MediaPlayerPrivateGStreamerBase> m_drawTimer;
#if USE(TEXTURE_MAPPER_GL)
#if USE(NICOSIA)
Ref<Nicosia::ContentLayer> m_nicosiaLayer;
#else
RefPtr<TextureMapperPlatformLayerProxy> m_platformLayerProxy;
#endif
#endif
#if USE(GSTREAMER_GL)
GRefPtr<GstGLContext> m_glContext;
GRefPtr<GstGLDisplay> m_glDisplay;
GRefPtr<GstContext> m_glDisplayElementContext;
GRefPtr<GstContext> m_glAppElementContext;
std::unique_ptr<VideoTextureCopierGStreamer> m_videoTextureCopier;
GRefPtr<GstGLColorConvert> m_colorConvert;
GRefPtr<GstCaps> m_colorConvertInputCaps;
GRefPtr<GstCaps> m_colorConvertOutputCaps;
#endif
ImageOrientation m_videoSourceOrientation;
#if ENABLE(ENCRYPTED_MEDIA)
BinarySemaphore m_cdmAttachmentSemaphore;
RefPtr<const CDMInstance> m_cdmInstance;
Lock m_protectionMutex; // Guards access to m_handledProtectionEvents.
HashSet<uint32_t> m_handledProtectionEvents;
bool m_waitingForKey { false };
#endif
Optional<GstVideoDecoderPlatform> m_videoDecoderPlatform;
};
}
#endif // USE(GSTREAMER)
#endif