1 /* 2 * Controller.h - Media Player for the Haiku Operating System 3 * 4 * Copyright (C) 2006 Marcus Overhagen <marcus@overhagen.de> 5 * Copyright (C) 2007-2008 Stephan Aßmus <superstippi@gmx.de> (MIT Ok) 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * version 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 19 * 20 */ 21 #ifndef __CONTROLLER_H 22 #define __CONTROLLER_H 23 24 25 #include <Entry.h> 26 #include <MediaDefs.h> 27 #include <MediaFormats.h> 28 #include <MediaNode.h> 29 #include <List.h> 30 #include <Locker.h> 31 #include <String.h> 32 33 #include "ListenerAdapter.h" 34 #include "NodeManager.h" 35 #include "PlaylistItem.h" 36 37 38 class AudioTrackSupplier; 39 class TrackSupplier; 40 class PlaylistItem; 41 class ProxyAudioSupplier; 42 class ProxyVideoSupplier; 43 class SubTitles; 44 class VideoTrackSupplier; 45 class VideoView; 46 47 48 class Controller : public NodeManager { 49 public: 50 class Listener { 51 public: 52 Listener(); 53 virtual ~Listener(); 54 55 virtual void FileFinished(); 56 virtual void FileChanged(PlaylistItem* item, 57 status_t result); 58 59 virtual void VideoTrackChanged(int32 index); 60 virtual void AudioTrackChanged(int32 index); 61 virtual void SubTitleTrackChanged(int32 index); 62 63 virtual void VideoStatsChanged(); 64 virtual void AudioStatsChanged(); 65 66 virtual void PlaybackStateChanged(uint32 state); 67 virtual void PositionChanged(float position); 68 virtual void SeekHandled(int64 seekFrame); 69 virtual void VolumeChanged(float volume); 70 virtual void MutedChanged(bool muted); 71 }; 72 73 Controller(); 74 virtual ~Controller(); 75 76 // PlaybackManager interface 77 virtual void MessageReceived(BMessage* message); 78 virtual int64 Duration(); 79 80 // NodeManager interface 81 virtual VideoTarget* CreateVideoTarget(); 82 virtual VideoSupplier* CreateVideoSupplier(); 83 virtual AudioSupplier* CreateAudioSupplier(); 84 85 // Controller 86 status_t SetToAsync(const PlaylistItemRef& item); 87 status_t SetTo(const PlaylistItemRef& item); 88 const PlaylistItem* Item() const 89 { return fItem.Get(); } 90 void PlayerActivated(bool active); 91 92 void GetSize(int *width, int *height, 93 int* widthAspect = NULL, 94 int* heightAspect = NULL); 95 96 int AudioTrackCount(); 97 int VideoTrackCount(); 98 int SubTitleTrackCount(); 99 100 status_t SelectAudioTrack(int n); 101 int CurrentAudioTrack(); 102 int AudioTrackChannelCount(); 103 status_t SelectVideoTrack(int n); 104 int CurrentVideoTrack(); 105 status_t SelectSubTitleTrack(int n); 106 int CurrentSubTitleTrack(); 107 const char* SubTitleTrackName(int n); 108 109 void Stop(); 110 void Play(); 111 void Pause(); 112 void TogglePlaying(); 113 114 uint32 PlaybackState(); 115 116 bigtime_t TimeDuration(); 117 bigtime_t TimePosition(); 118 119 virtual void SetVolume(float factor); 120 float Volume(); 121 void VolumeUp(); 122 void VolumeDown(); 123 void ToggleMute(); 124 125 int64 SetPosition(float value); 126 int64 SetFramePosition(int64 frame); 127 int64 SetTimePosition(bigtime_t position); 128 129 bool HasFile(); 130 status_t GetFileFormatInfo( 131 media_file_format* fileFormat); 132 status_t GetCopyright(BString* copyright); 133 status_t GetLocation(BString* location); 134 status_t GetName(BString* name); 135 status_t GetEncodedVideoFormat(media_format* format); 136 status_t GetVideoCodecInfo(media_codec_info* info); 137 status_t GetEncodedAudioFormat(media_format* format); 138 status_t GetAudioCodecInfo(media_codec_info* info); 139 140 status_t GetMetaData(BMessage* metaData); 141 status_t GetVideoMetaData(int32 track, 142 BMessage* metaData); 143 status_t GetAudioMetaData(int32 track, 144 BMessage* metaData); 145 146 // video view 147 void SetVideoView(VideoView *view); 148 149 bool IsOverlayActive(); 150 151 // notification support 152 bool AddListener(Listener* listener); 153 void RemoveListener(Listener* listener); 154 155 private: 156 void _AdoptGlobalSettings(); 157 158 uint32 _PlaybackState(int32 playingMode) const; 159 int64 _FrameDuration() const; 160 bigtime_t _TimePosition() const; 161 162 void _NotifyFileChanged(PlaylistItem* item, 163 status_t result) const; 164 void _NotifyFileFinished() const; 165 void _NotifyVideoTrackChanged(int32 index) const; 166 void _NotifyAudioTrackChanged(int32 index) const; 167 void _NotifySubTitleTrackChanged(int32 index) const; 168 169 void _NotifyVideoStatsChanged() const; 170 void _NotifyAudioStatsChanged() const; 171 172 void _NotifyPlaybackStateChanged(uint32 state) const; 173 void _NotifyPositionChanged(float position) const; 174 void _NotifySeekHandled(int64 seekFrame) const; 175 void _NotifyVolumeChanged(float volume) const; 176 void _NotifyMutedChanged(bool muted) const; 177 178 // overridden from PlaybackManager so that we 179 // can use our own Listener mechanism 180 virtual void NotifyPlayModeChanged(int32 mode) const; 181 virtual void NotifyLoopModeChanged(int32 mode) const; 182 virtual void NotifyLoopingEnabledChanged( 183 bool enabled) const; 184 virtual void NotifyVideoBoundsChanged(BRect bounds) const; 185 virtual void NotifyFPSChanged(float fps) const; 186 virtual void NotifyCurrentFrameChanged(int64 frame) const; 187 virtual void NotifySpeedChanged(float speed) const; 188 virtual void NotifyFrameDropped() const; 189 virtual void NotifyStopFrameReached() const; 190 virtual void NotifySeekHandled(int64 seekedFrame) const; 191 192 193 private: 194 VideoView* fVideoView; 195 float fVolume; 196 float fActiveVolume; 197 bool fMuted; 198 199 PlaylistItemRef fItem; 200 201 ProxyVideoSupplier* fVideoSupplier; 202 ProxyAudioSupplier* fAudioSupplier; 203 VideoTrackSupplier* fVideoTrackSupplier; 204 AudioTrackSupplier* fAudioTrackSupplier; 205 const SubTitles* fSubTitles; 206 int32 fSubTitlesIndex; 207 208 mutable int64 fCurrentFrame; 209 bigtime_t fDuration; 210 float fVideoFrameRate; 211 212 mutable int32 fPendingSeekRequests; 213 mutable int64 fSeekFrame; 214 mutable int64 fRequestedSeekFrame; 215 216 ListenerAdapter fGlobalSettingsListener; 217 218 bool fAutoplaySetting; 219 // maintains the auto-play setting 220 bool fAutoplay; 221 // is true if the player is already playing 222 // otherwise it's the same as fAutoplaySetting 223 bool fLoopMovies; 224 bool fLoopSounds; 225 uint32 fBackgroundMovieVolumeMode; 226 227 BList fListeners; 228 }; 229 230 231 #endif // __CONTROLLER_H 232