1 // Copyright (c) 2013 The Chromium Authors. 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_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_ 6 #define MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_ 7 8 #include <jni.h> 9 #include <string> 10 11 #include "base/callback.h" 12 #include "base/time/time.h" 13 #include "media/base/media_export.h" 14 #include "ui/gl/android/scoped_java_surface.h" 15 #include "url/gurl.h" 16 17 namespace media { 18 19 class BrowserCdm; 20 class MediaPlayerManager; 21 22 // This class serves as the base class for different media player 23 // implementations on Android. Subclasses need to provide their own 24 // MediaPlayerAndroid::Create() implementation. 25 class MEDIA_EXPORT MediaPlayerAndroid { 26 public: 27 virtual ~MediaPlayerAndroid(); 28 29 // Error types for MediaErrorCB. 30 enum MediaErrorType { 31 MEDIA_ERROR_FORMAT, 32 MEDIA_ERROR_DECODE, 33 MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK, 34 MEDIA_ERROR_INVALID_CODE, 35 }; 36 37 // Callback when the player needs decoding resources. 38 typedef base::Callback<void(int player_id)> RequestMediaResourcesCB; 39 40 // Callback when the player releases decoding resources. 41 typedef base::Callback<void(int player_id)> ReleaseMediaResourcesCB; 42 43 // Passing an external java surface object to the player. 44 virtual void SetVideoSurface(gfx::ScopedJavaSurface surface) = 0; 45 46 // Start playing the media. 47 virtual void Start() = 0; 48 49 // Pause the media. 50 virtual void Pause(bool is_media_related_action) = 0; 51 52 // Seek to a particular position, based on renderer signaling actual seek 53 // with MediaPlayerHostMsg_Seek. If eventual success, OnSeekComplete() will be 54 // called. 55 virtual void SeekTo(base::TimeDelta timestamp) = 0; 56 57 // Release the player resources. 58 virtual void Release() = 0; 59 60 // Set the player volume. 61 virtual void SetVolume(double volume) = 0; 62 63 // Get the media information from the player. 64 virtual int GetVideoWidth() = 0; 65 virtual int GetVideoHeight() = 0; 66 virtual base::TimeDelta GetDuration() = 0; 67 virtual base::TimeDelta GetCurrentTime() = 0; 68 virtual bool IsPlaying() = 0; 69 virtual bool IsPlayerReady() = 0; 70 virtual bool CanPause() = 0; 71 virtual bool CanSeekForward() = 0; 72 virtual bool CanSeekBackward() = 0; 73 virtual GURL GetUrl(); 74 virtual GURL GetFirstPartyForCookies(); 75 76 // Associates the |cdm| with this player. 77 virtual void SetCdm(BrowserCdm* cdm); 78 79 // Check whether the player still uses the current surface. 80 virtual bool IsSurfaceInUse() const = 0; 81 player_id()82 int player_id() { return player_id_; } 83 frame_url()84 GURL frame_url() { return frame_url_; } 85 86 protected: 87 MediaPlayerAndroid(int player_id, 88 MediaPlayerManager* manager, 89 const RequestMediaResourcesCB& request_media_resources_cb, 90 const ReleaseMediaResourcesCB& release_media_resources_cb, 91 const GURL& frame_url); 92 manager()93 MediaPlayerManager* manager() { return manager_; } 94 95 RequestMediaResourcesCB request_media_resources_cb_; 96 97 ReleaseMediaResourcesCB release_media_resources_cb_; 98 99 private: 100 // Player ID assigned to this player. 101 int player_id_; 102 103 // Resource manager for all the media players. 104 MediaPlayerManager* manager_; 105 106 // Url for the frame that contains this player. 107 GURL frame_url_; 108 109 DISALLOW_COPY_AND_ASSIGN(MediaPlayerAndroid); 110 }; 111 112 } // namespace media 113 114 #endif // MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_ 115