1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_MEDIAPLAYER_H 18 #define ANDROID_MEDIAPLAYER_H 19 20 #include <arpa/inet.h> 21 22 #include <binder/IMemory.h> 23 24 #include <media/AudioResamplerPublic.h> 25 #include <media/BufferingSettings.h> 26 #include <media/IMediaPlayerClient.h> 27 #include <media/IMediaPlayer.h> 28 #include <media/IMediaDeathNotifier.h> 29 #include <media/IStreamSource.h> 30 31 #include <utils/KeyedVector.h> 32 #include <utils/String8.h> 33 34 struct ANativeWindow; 35 36 namespace android { 37 38 struct AVSyncSettings; 39 class IGraphicBufferProducer; 40 class Surface; 41 42 enum media_event_type { 43 MEDIA_NOP = 0, // interface test message 44 MEDIA_PREPARED = 1, 45 MEDIA_PLAYBACK_COMPLETE = 2, 46 MEDIA_BUFFERING_UPDATE = 3, 47 MEDIA_SEEK_COMPLETE = 4, 48 MEDIA_SET_VIDEO_SIZE = 5, 49 MEDIA_STARTED = 6, 50 MEDIA_PAUSED = 7, 51 MEDIA_STOPPED = 8, 52 MEDIA_SKIPPED = 9, 53 MEDIA_TIMED_TEXT = 99, 54 MEDIA_ERROR = 100, 55 MEDIA_INFO = 200, 56 MEDIA_SUBTITLE_DATA = 201, 57 MEDIA_META_DATA = 202, 58 MEDIA_DRM_INFO = 210, 59 }; 60 61 // Generic error codes for the media player framework. Errors are fatal, the 62 // playback must abort. 63 // 64 // Errors are communicated back to the client using the 65 // MediaPlayerListener::notify method defined below. 66 // In this situation, 'notify' is invoked with the following: 67 // 'msg' is set to MEDIA_ERROR. 68 // 'ext1' should be a value from the enum media_error_type. 69 // 'ext2' contains an implementation dependant error code to provide 70 // more details. Should default to 0 when not used. 71 // 72 // The codes are distributed as follow: 73 // 0xx: Reserved 74 // 1xx: Android Player errors. Something went wrong inside the MediaPlayer. 75 // 2xx: Media errors (e.g Codec not supported). There is a problem with the 76 // media itself. 77 // 3xx: Runtime errors. Some extraordinary condition arose making the playback 78 // impossible. 79 // 80 enum media_error_type { 81 // 0xx 82 MEDIA_ERROR_UNKNOWN = 1, 83 // 1xx 84 MEDIA_ERROR_SERVER_DIED = 100, 85 // 2xx 86 MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200, 87 // 3xx 88 }; 89 90 91 // Info and warning codes for the media player framework. These are non fatal, 92 // the playback is going on but there might be some user visible issues. 93 // 94 // Info and warning messages are communicated back to the client using the 95 // MediaPlayerListener::notify method defined below. In this situation, 96 // 'notify' is invoked with the following: 97 // 'msg' is set to MEDIA_INFO. 98 // 'ext1' should be a value from the enum media_info_type. 99 // 'ext2' contains an implementation dependant info code to provide 100 // more details. Should default to 0 when not used. 101 // 102 // The codes are distributed as follow: 103 // 0xx: Reserved 104 // 7xx: Android Player info/warning (e.g player lagging behind.) 105 // 8xx: Media info/warning (e.g media badly interleaved.) 106 // 107 enum media_info_type { 108 // 0xx 109 MEDIA_INFO_UNKNOWN = 1, 110 // The player was started because it was used as the next player for another 111 // player, which just completed playback 112 MEDIA_INFO_STARTED_AS_NEXT = 2, 113 // The player just pushed the very first video frame for rendering 114 MEDIA_INFO_RENDERING_START = 3, 115 // 7xx 116 // The video is too complex for the decoder: it can't decode frames fast 117 // enough. Possibly only the audio plays fine at this stage. 118 MEDIA_INFO_VIDEO_TRACK_LAGGING = 700, 119 // MediaPlayer is temporarily pausing playback internally in order to 120 // buffer more data. 121 MEDIA_INFO_BUFFERING_START = 701, 122 // MediaPlayer is resuming playback after filling buffers. 123 MEDIA_INFO_BUFFERING_END = 702, 124 // Bandwidth in recent past 125 MEDIA_INFO_NETWORK_BANDWIDTH = 703, 126 127 // 8xx 128 // Bad interleaving means that a media has been improperly interleaved or not 129 // interleaved at all, e.g has all the video samples first then all the audio 130 // ones. Video is playing but a lot of disk seek may be happening. 131 MEDIA_INFO_BAD_INTERLEAVING = 800, 132 // The media is not seekable (e.g live stream). 133 MEDIA_INFO_NOT_SEEKABLE = 801, 134 // New media metadata is available. 135 MEDIA_INFO_METADATA_UPDATE = 802, 136 // Audio can not be played. 137 MEDIA_INFO_PLAY_AUDIO_ERROR = 804, 138 // Video can not be played. 139 MEDIA_INFO_PLAY_VIDEO_ERROR = 805, 140 141 //9xx 142 MEDIA_INFO_TIMED_TEXT_ERROR = 900, 143 }; 144 145 146 147 enum media_player_states { 148 MEDIA_PLAYER_STATE_ERROR = 0, 149 MEDIA_PLAYER_IDLE = 1 << 0, 150 MEDIA_PLAYER_INITIALIZED = 1 << 1, 151 MEDIA_PLAYER_PREPARING = 1 << 2, 152 MEDIA_PLAYER_PREPARED = 1 << 3, 153 MEDIA_PLAYER_STARTED = 1 << 4, 154 MEDIA_PLAYER_PAUSED = 1 << 5, 155 MEDIA_PLAYER_STOPPED = 1 << 6, 156 MEDIA_PLAYER_PLAYBACK_COMPLETE = 1 << 7 157 }; 158 159 // Keep KEY_PARAMETER_* in sync with MediaPlayer.java. 160 // The same enum space is used for both set and get, in case there are future keys that 161 // can be both set and get. But as of now, all parameters are either set only or get only. 162 enum media_parameter_keys { 163 // Streaming/buffering parameters 164 KEY_PARAMETER_CACHE_STAT_COLLECT_FREQ_MS = 1100, // set only 165 166 // Return a Parcel containing a single int, which is the channel count of the 167 // audio track, or zero for error (e.g. no audio track) or unknown. 168 KEY_PARAMETER_AUDIO_CHANNEL_COUNT = 1200, // get only 169 170 // Playback rate expressed in permille (1000 is normal speed), saved as int32_t, with negative 171 // values used for rewinding or reverse playback. 172 KEY_PARAMETER_PLAYBACK_RATE_PERMILLE = 1300, // set only 173 174 // Set a Parcel containing the value of a parcelled Java AudioAttribute instance 175 KEY_PARAMETER_AUDIO_ATTRIBUTES = 1400 // set only 176 }; 177 178 // Keep INVOKE_ID_* in sync with MediaPlayer.java. 179 enum media_player_invoke_ids { 180 INVOKE_ID_GET_TRACK_INFO = 1, 181 INVOKE_ID_ADD_EXTERNAL_SOURCE = 2, 182 INVOKE_ID_ADD_EXTERNAL_SOURCE_FD = 3, 183 INVOKE_ID_SELECT_TRACK = 4, 184 INVOKE_ID_UNSELECT_TRACK = 5, 185 INVOKE_ID_SET_VIDEO_SCALING_MODE = 6, 186 INVOKE_ID_GET_SELECTED_TRACK = 7 187 }; 188 189 // Keep MEDIA_TRACK_TYPE_* in sync with MediaPlayer.java. 190 enum media_track_type { 191 MEDIA_TRACK_TYPE_UNKNOWN = 0, 192 MEDIA_TRACK_TYPE_VIDEO = 1, 193 MEDIA_TRACK_TYPE_AUDIO = 2, 194 MEDIA_TRACK_TYPE_TIMEDTEXT = 3, 195 MEDIA_TRACK_TYPE_SUBTITLE = 4, 196 MEDIA_TRACK_TYPE_METADATA = 5, 197 }; 198 199 // ---------------------------------------------------------------------------- 200 // ref-counted object for callbacks 201 class MediaPlayerListener: virtual public RefBase 202 { 203 public: 204 virtual void notify(int msg, int ext1, int ext2, const Parcel *obj) = 0; 205 }; 206 207 struct IMediaHTTPService; 208 209 class MediaPlayer : public BnMediaPlayerClient, 210 public virtual IMediaDeathNotifier 211 { 212 public: 213 MediaPlayer(); 214 ~MediaPlayer(); 215 void died(); 216 void disconnect(); 217 218 status_t setDataSource( 219 const sp<IMediaHTTPService> &httpService, 220 const char *url, 221 const KeyedVector<String8, String8> *headers); 222 223 status_t setDataSource(int fd, int64_t offset, int64_t length); 224 status_t setDataSource(const sp<IDataSource> &source); 225 status_t setVideoSurfaceTexture( 226 const sp<IGraphicBufferProducer>& bufferProducer); 227 status_t setListener(const sp<MediaPlayerListener>& listener); 228 status_t getDefaultBufferingSettings(BufferingSettings* buffering /* nonnull */); 229 status_t getBufferingSettings(BufferingSettings* buffering /* nonnull */); 230 status_t setBufferingSettings(const BufferingSettings& buffering); 231 status_t prepare(); 232 status_t prepareAsync(); 233 status_t start(); 234 status_t stop(); 235 status_t pause(); 236 bool isPlaying(); 237 status_t setPlaybackSettings(const AudioPlaybackRate& rate); 238 status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */); 239 status_t setSyncSettings(const AVSyncSettings& sync, float videoFpsHint); 240 status_t getSyncSettings( 241 AVSyncSettings* sync /* nonnull */, 242 float* videoFps /* nonnull */); 243 status_t getVideoWidth(int *w); 244 status_t getVideoHeight(int *h); 245 status_t seekTo( 246 int msec, 247 MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC); 248 status_t getCurrentPosition(int *msec); 249 status_t getDuration(int *msec); 250 status_t reset(); 251 status_t setAudioStreamType(audio_stream_type_t type); 252 status_t getAudioStreamType(audio_stream_type_t *type); 253 status_t setLooping(int loop); 254 bool isLooping(); 255 status_t setVolume(float leftVolume, float rightVolume); 256 void notify(int msg, int ext1, int ext2, const Parcel *obj = NULL); 257 status_t invoke(const Parcel& request, Parcel *reply); 258 status_t setMetadataFilter(const Parcel& filter); 259 status_t getMetadata(bool update_only, bool apply_filter, Parcel *metadata); 260 status_t setAudioSessionId(audio_session_t sessionId); 261 audio_session_t getAudioSessionId(); 262 status_t setAuxEffectSendLevel(float level); 263 status_t attachAuxEffect(int effectId); 264 status_t setParameter(int key, const Parcel& request); 265 status_t getParameter(int key, Parcel* reply); 266 status_t setRetransmitEndpoint(const char* addrString, uint16_t port); 267 status_t setNextMediaPlayer(const sp<MediaPlayer>& player); 268 269 VolumeShaper::Status applyVolumeShaper( 270 const sp<VolumeShaper::Configuration>& configuration, 271 const sp<VolumeShaper::Operation>& operation); 272 sp<VolumeShaper::State> getVolumeShaperState(int id); 273 // Modular DRM 274 status_t prepareDrm(const uint8_t uuid[16], const Vector<uint8_t>& drmSessionId); 275 status_t releaseDrm(); 276 277 private: 278 void clear_l(); 279 status_t seekTo_l(int msec, MediaPlayerSeekMode mode); 280 status_t prepareAsync_l(); 281 status_t getDuration_l(int *msec); 282 status_t attachNewPlayer(const sp<IMediaPlayer>& player); 283 status_t reset_l(); 284 status_t doSetRetransmitEndpoint(const sp<IMediaPlayer>& player); 285 status_t checkStateForKeySet_l(int key); 286 287 sp<IMediaPlayer> mPlayer; 288 thread_id_t mLockThreadId; 289 Mutex mLock; 290 Mutex mNotifyLock; 291 Condition mSignal; 292 sp<MediaPlayerListener> mListener; 293 void* mCookie; 294 media_player_states mCurrentState; 295 int mCurrentPosition; 296 MediaPlayerSeekMode mCurrentSeekMode; 297 int mSeekPosition; 298 MediaPlayerSeekMode mSeekMode; 299 bool mPrepareSync; 300 status_t mPrepareStatus; 301 audio_stream_type_t mStreamType; 302 Parcel* mAudioAttributesParcel; 303 bool mLoop; 304 float mLeftVolume; 305 float mRightVolume; 306 int mVideoWidth; 307 int mVideoHeight; 308 audio_session_t mAudioSessionId; 309 float mSendLevel; 310 struct sockaddr_in mRetransmitEndpoint; 311 bool mRetransmitEndpointValid; 312 BufferingSettings mCurrentBufferingSettings; 313 }; 314 315 }; // namespace android 316 317 #endif // ANDROID_MEDIAPLAYER_H 318