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Unified Diff: content/browser/media/android/media_player_renderer.h

Issue 2230583002: Add MediaPlayerRenderer/MediaPlayerRendererClient (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Added MEDIA_EXPORT. Created 4 years, 4 months ago
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Index: content/browser/media/android/media_player_renderer.h
diff --git a/content/browser/media/android/media_player_renderer.h b/content/browser/media/android/media_player_renderer.h
new file mode 100644
index 0000000000000000000000000000000000000000..42c2decfa8119366a351593b3c859e845644a24a
--- /dev/null
+++ b/content/browser/media/android/media_player_renderer.h
@@ -0,0 +1,115 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_
+#define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/render_frame_host.h"
+#include "media/base/android/media_player_bridge.h"
+#include "media/base/android/media_player_manager.h"
+#include "media/base/demuxer_stream_provider.h"
+#include "media/base/media_log.h"
+#include "media/base/renderer.h"
+#include "media/base/renderer_client.h"
+#include "url/gurl.h"
+
+namespace content {
+
+// MediaPlayerRenderer bridges the media::Renderer and Android MediaPlayer
+// interfaces. It owns a MediaPlayerBridge, which exposes c++ methods to call
+// into a native Android MediaPlayer.
+//
+// Each MediaPlayerRenderer is associated with one MediaPlayerRendererClient,
+// living in WMPI in the Renderer process.
+//
+// N.B: MediaPlayerRenderer implements MediaPlayerManager, since
+// MediaPlayerBridge is tightly coupled with the manager abstraction.
+// |player_id| is ignored in all MediaPlayerManager calls, as there is only one
+// MediaPlayer per MediaPlayerRenderer.
+//
+// TODO(tguilbert): Remove the MediaPlayerManager implementation and update
+// MediaPlayerBridge, once WMPA has been deleted. See http://crbug.com/580626
+class CONTENT_EXPORT MediaPlayerRenderer : public media::Renderer,
+ public media::MediaPlayerManager {
+ public:
+ explicit MediaPlayerRenderer(content::RenderFrameHost* render_frame_host);
+
+ ~MediaPlayerRenderer() override;
+
+ // media::Renderer implementation
+ void Initialize(media::DemuxerStreamProvider* demuxer_stream_provider,
+ media::RendererClient* client,
+ const media::PipelineStatusCB& init_cb) override;
+ void SetCdm(media::CdmContext* cdm_context,
+ const media::CdmAttachedCB& cdm_attached_cb) override;
+ void Flush(const base::Closure& flush_cb) override;
+ void StartPlayingFrom(base::TimeDelta time) override;
+
+ // N.B: MediaPlayerBridge doesn't support variable playback rates (but it
+ // could be exposed from MediaPlayer in the future). For the moment:
+ // - If |playback_rate| is 0, we pause the video.
+ // - For other |playback_rate| values, we start playing at 1x speed.
+ void SetPlaybackRate(double playback_rate) override;
+ void SetVolume(float volume) override;
+ base::TimeDelta GetMediaTime() override;
+ bool HasAudio() override;
+ bool HasVideo() override;
+
+ // media::MediaPlayerManager implementation
+ media::MediaResourceGetter* GetMediaResourceGetter() override;
+ media::MediaUrlInterceptor* GetMediaUrlInterceptor() override;
+ void OnTimeUpdate(int player_id,
+ base::TimeDelta current_timestamp,
+ base::TimeTicks current_time_ticks) override;
+ void OnMediaMetadataChanged(int player_id,
+ base::TimeDelta duration,
+ int width,
+ int height,
+ bool success) override;
+ void OnPlaybackComplete(int player_id) override;
+ void OnMediaInterrupted(int player_id) override;
+ void OnBufferingUpdate(int player_id, int percentage) override;
+ void OnSeekComplete(int player_id,
+ const base::TimeDelta& current_time) override;
+ void OnError(int player_id, int error) override;
+ void OnVideoSizeChanged(int player_id, int width, int height) override;
+ void OnWaitingForDecryptionKey(int player_id) override;
+ media::MediaPlayerAndroid* GetFullscreenPlayer() override;
+ media::MediaPlayerAndroid* GetPlayer(int player_id) override;
+ bool RequestPlay(int player_id,
+ base::TimeDelta duration,
+ bool has_audio) override;
+
+ private:
+ // Used when creating |media_player_|.
+ void OnDecoderResourcesReleased(int player_id);
+
+ RenderFrameHost* render_frame_host_;
+ media::RendererClient* renderer_client_;
+
+ std::unique_ptr<media::MediaPlayerBridge> media_player_;
+
+ // Current duration of the media.
+ base::TimeDelta duration_;
+
+ // Indicates if a serious error has been encountered by the |media_player_|.
+ bool has_error_;
+
+ gfx::Size video_size_;
+
+ std::unique_ptr<media::MediaResourceGetter> media_resource_getter_;
+
+ // NOTE: Weak pointers must be invalidated before all other member variables.
+ base::WeakPtrFactory<MediaPlayerRenderer> weak_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(MediaPlayerRenderer);
+};
+
+} // namespace content
+
+#endif // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_PLAYER_RENDERER_H_
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