tizen_src/chromium_impl/content/browser/media/tizen_renderer_impl.h

   1 // Copyright 2022 Samsung Electronics Inc. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_RENDERERS_TIZEN_RENDERER_IMPL_H_
   6 #define MEDIA_RENDERERS_TIZEN_RENDERER_IMPL_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/raw_ptr.h"
  11 #include "content/common/content_export.h"
  12 #include "media/base/demuxer_stream.h"
  13 #include "media/base/media_export.h"
  14 #include "media/base/media_resource.h"
  15 #include "media/base/pipeline_status.h"
  16 #include "media/base/renderer.h"
  17 #include "media/base/renderer_client.h"
  18 #include "media/base/video_renderer_sink.h"
  19 #include "media/base/waiting.h"
  20 #include "media/mojo/mojom/renderer_extensions.mojom.h"
  21 #include "mojo/public/cpp/bindings/pending_receiver.h"
  22 #include "mojo/public/cpp/bindings/pending_remote.h"
  23 #include "mojo/public/cpp/bindings/receiver.h"
  24 #include "mojo/public/cpp/bindings/remote.h"
  25 #include "third_party/abseil-cpp/absl/types/optional.h"
  26 #include "ui/gfx/geometry/size.h"
  27
  28 namespace base {
  29 class SingleThreadTaskRunner;
  30 }
  31
  32 namespace media {
  33 class MediaPlayerTizen;
  34 class MediaResource;
  35 }  // namespace media
  36
  37 namespace content {
  38
  39 class WebContents;
  40 class MediaPlayerRendererWebContentsObserver;
  41
  42 class CONTENT_EXPORT TizenRendererImpl
  43     : public media::Renderer,
  44       public media::mojom::MediaPlayerRendererExtension {
  45  public:
  46   using RendererExtension = media::mojom::MediaPlayerRendererExtension;
  47   using ClientExtension = media::mojom::MediaPlayerRendererClientExtension;
  48
  49   TizenRendererImpl(
  50       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
  51       media::VideoRendererSink* sink);
  52   TizenRendererImpl(
  53       int process_id,
  54       int routing_id,
  55       WebContents* web_contents,
  56       mojo::PendingReceiver<RendererExtension> renderer_extension_receiver,
  57       mojo::PendingRemote<ClientExtension> client_extension_remote);
  58   TizenRendererImpl(const TizenRendererImpl&) = delete;
  59   TizenRendererImpl& operator=(const TizenRendererImpl&) = delete;
  60   ~TizenRendererImpl();
  61
  62   // Renderer implementation.
  63   void Initialize(media::MediaResource* media_resource,
  64                   media::RendererClient* client,
  65                   media::PipelineStatusCallback init_cb) override;
  66   void SetCdm(media::CdmContext* cdm_context,
  67               CdmAttachedCB cdm_attached_cb) override;
  68   void SetLatencyHint(absl::optional<base::TimeDelta> latency_hint) override;
  69   void SetPreservesPitch(bool preserves_pitch) override;
  70   void Flush(base::OnceClosure flush_cb) override;
  71   void StartPlayingFrom(base::TimeDelta time) override;
  72   void SetPlaybackRate(double playback_rate) override;
  73   void SetVolume(float volume) override;
  74   base::TimeDelta GetMediaTime() override;
  75   void OnSelectedVideoTracksChanged(
  76       const std::vector<media::DemuxerStream*>& enabled_tracks,
  77       base::OnceClosure change_completed_cb) override;
  78   void OnEnabledAudioTracksChanged(
  79       const std::vector<media::DemuxerStream*>& enabled_tracks,
  80       base::OnceClosure change_completed_cb) override;
  81   void InitiateScopedSurfaceRequest(
  82       InitiateScopedSurfaceRequestCallback callback) override;
  83   void OnUpdateAudioMutingState(bool muted) {}
  84   void OnWebContentsDestroyed() {}
  85
  86   // Should be removed.
  87   void Seek(base::TimeDelta time);
  88
  89   void OnNewFrameAvailable(uint32_t playerId,
  90                            base::UnsafeSharedMemoryRegion frame,
  91                            uint32_t size,
  92                            base::TimeDelta timestamp,
  93                            uint32_t width,
  94                            uint32_t height);
  95
  96  private:
  97   class RendererClientInternal;
  98   const float kDefaultVolume = 1.0;
  99
 100   enum State {
 101     STATE_UNINITIALIZED,
 102     STATE_INIT_PENDING_CDM,  // Initialization is waiting for the CDM to be set.
 103     STATE_INITIALIZING,      // Initializing audio/video renderers.
 104     STATE_FLUSHING,          // Flushing is in progress.
 105     STATE_FLUSHED,           // After initialization or after flush completed.
 106     STATE_PLAYING,           // After StartPlayingFrom has been called.
 107     STATE_ERROR
 108   };
 109
 110   void SetStreamInfo();
 111   void SetPlayerVolume() const;
 112   void OnRendererEnded();
 113   void OnError(media::PipelineStatus error);
 114   void OnStatisticsUpdate(const media::PipelineStatistics& stats);
 115   void OnBufferingStateChange(media::BufferingState new_buffering_state,
 116                               media::BufferingStateChangeReason reason);
 117   void OnWaiting(media::WaitingReason reason);
 118   void OnAudioConfigChange(const media::AudioDecoderConfig& config);
 119   void OnVideoConfigChange(const media::VideoDecoderConfig& config);
 120   void OnVideoNaturalSizeChange(const gfx::Size& size);
 121   void OnVideoOpacityChange(bool opaque);
 122   void OnVideoFrameRateChange(absl::optional<int> fps);
 123
 124   media::RendererClient* client_;
 125
 126   State state_;
 127
 128   // Task runner used to execute pipeline tasks.
 129   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 130
 131   media::VideoRendererSink* const sink_ = nullptr;
 132   mojo::Remote<ClientExtension> client_extension_;
 133   // Identifiers to find the RenderFrameHost that created |this|.
 134   // NOTE: We store these IDs rather than a RenderFrameHost* because we do not
 135   // know when the RenderFrameHost is destroyed.
 136   int render_process_id_;
 137   int routing_id_;
 138
 139   // Temporary callback used for Initialize() and Flush().
 140   media::PipelineStatusCallback init_cb_;
 141   base::OnceClosure flush_cb_;
 142
 143   std::unique_ptr<RendererClientInternal> audio_renderer_client_;
 144   std::unique_ptr<RendererClientInternal> video_renderer_client_;
 145
 146   media::MediaResource* media_resource_;
 147   media::DemuxerStream* audio_stream_;
 148   media::DemuxerStream* video_stream_;
 149
 150   double volume_ = kDefaultVolume;
 151   double playback_rate_ = 0.0;
 152
 153   // The time to start playback from after starting/seeking has completed.
 154   base::TimeDelta start_time_;
 155
 156   media::BufferingState audio_buffering_state_;
 157   media::BufferingState video_buffering_state_;
 158
 159   // Whether we've received the audio/video ended events.
 160   bool media_ended_ = false;
 161   bool web_contents_muted_ = false;
 162   mojo::Receiver<MediaPlayerRendererExtension> renderer_extension_receiver_;
 163   raw_ptr<content::MediaPlayerRendererWebContentsObserver>
 164       web_contents_observer_;
 165
 166   // Indicates if a serious error has been encountered by the |media_player_|.
 167   bool has_error_ = false;
 168
 169   base::WeakPtrFactory<TizenRendererImpl> weak_factory_{this};
 170 };
 171
 172 }  // namespace content
 173
 174 #endif  // MEDIA_RENDERERS_TIZEN_RENDERER_IMPL_H_