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   // Proxy functions for MediaPlayerRendererClientExtension
  90   void OnVideoSizeChange(const gfx::Size& size);
  91   void OnDurationChange(base::TimeDelta duration);
  92   void OnBufferUpdate(base::TimeDelta time);
  93
  94   void OnNewFrameAvailable(uint32_t playerId,
  95                            base::UnsafeSharedMemoryRegion frame,
  96                            uint32_t size,
  97                            base::TimeDelta timestamp,
  98                            uint32_t width,
  99                            uint32_t height);
 100
 101 #if defined(TIZEN_TBM_SUPPORT)
 102   void OnNewTbmFrameAvailable(uint32_t player_id,
 103                               gfx::TbmBufferHandle tbm_handle,
 104                               base::TimeDelta timestamp);
 105   void OnTbmBufferExhausted(const gfx::TbmBufferHandle& tbm_handle) override;
 106 #endif
 107
 108  private:
 109   class RendererClientInternal;
 110   const float kDefaultVolume = 1.0;
 111
 112   enum State {
 113     STATE_UNINITIALIZED,
 114     STATE_INIT_PENDING_CDM,  // Initialization is waiting for the CDM to be set.
 115     STATE_INITIALIZING,      // Initializing audio/video renderers.
 116     STATE_FLUSHING,          // Flushing is in progress.
 117     STATE_FLUSHED,           // After initialization or after flush completed.
 118     STATE_PLAYING,           // After StartPlayingFrom has been called.
 119     STATE_ERROR
 120   };
 121
 122   void SetStreamInfo();
 123   void SetPlayerVolume();
 124   void OnRendererEnded();
 125   void OnError(media::PipelineStatus error);
 126   void OnStatisticsUpdate(const media::PipelineStatistics& stats);
 127   void OnBufferingStateChange(media::BufferingState new_buffering_state,
 128                               media::BufferingStateChangeReason reason);
 129   void OnWaiting(media::WaitingReason reason);
 130   void OnAudioConfigChange(const media::AudioDecoderConfig& config);
 131   void OnVideoConfigChange(const media::VideoDecoderConfig& config);
 132   void OnVideoNaturalSizeChange(const gfx::Size& size);
 133   void OnVideoOpacityChange(bool opaque);
 134   void OnVideoFrameRateChange(absl::optional<int> fps);
 135
 136   media::MediaPlayerTizen* GetPlayer();
 137
 138   media::RendererClient* client_;
 139
 140   State state_;
 141
 142   // Task runner used to execute pipeline tasks.
 143   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 144
 145   media::VideoRendererSink* const sink_ = nullptr;
 146   mojo::Remote<ClientExtension> client_extension_;
 147   // Identifiers to find the RenderFrameHost that created |this|.
 148   // NOTE: We store these IDs rather than a RenderFrameHost* because we do not
 149   // know when the RenderFrameHost is destroyed.
 150   int render_process_id_;
 151   int routing_id_;
 152
 153   // Temporary callback used for Initialize() and Flush().
 154   media::PipelineStatusCallback init_cb_;
 155   base::OnceClosure flush_cb_;
 156
 157   std::unique_ptr<RendererClientInternal> audio_renderer_client_;
 158   std::unique_ptr<RendererClientInternal> video_renderer_client_;
 159
 160   media::MediaResource* media_resource_;
 161   media::DemuxerStream* audio_stream_;
 162   media::DemuxerStream* video_stream_;
 163
 164   media::MediaPlayerTizen* media_player_ = nullptr;
 165   double volume_ = kDefaultVolume;
 166   double playback_rate_ = 0.0;
 167
 168   // The time to start playback from after starting/seeking has completed.
 169   base::TimeDelta start_time_;
 170
 171   media::BufferingState audio_buffering_state_;
 172   media::BufferingState video_buffering_state_;
 173
 174   // Whether we've received the audio/video ended events.
 175   bool media_ended_ = false;
 176   bool web_contents_muted_ = false;
 177   mojo::Receiver<MediaPlayerRendererExtension> renderer_extension_receiver_;
 178   raw_ptr<content::MediaPlayerRendererWebContentsObserver>
 179       web_contents_observer_;
 180
 181   // Indicates if a serious error has been encountered by the |media_player_|.
 182   bool has_error_ = false;
 183
 184   base::WeakPtrFactory<TizenRendererImpl> weak_factory_{this};
 185 };
 186
 187 }  // namespace content
 188
 189 #endif  // MEDIA_RENDERERS_TIZEN_RENDERER_IMPL_H_