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/IMediaPlayerClient.h> 26 #include <media/IMediaPlayer.h> 27 #include <media/IMediaDeathNotifier.h> 28 #include <media/IStreamSource.h> 29 30 #include <utils/KeyedVector.h> 31 #include <utils/String8.h> 32 33 class ANativeWindow; 34 35 namespace android { 36 37 struct AVSyncSettings; 38 class IGraphicBufferProducer; 39 class Surface; 40 41 enum media_event_type { 42 MEDIA_NOP = 0, // interface test message 43 MEDIA_PREPARED = 1, 44 MEDIA_PLAYBACK_COMPLETE = 2, 45 MEDIA_BUFFERING_UPDATE = 3, 46 MEDIA_SEEK_COMPLETE = 4, 47 MEDIA_SET_VIDEO_SIZE = 5, 48 MEDIA_STARTED = 6, 49 MEDIA_PAUSED = 7, 50 MEDIA_STOPPED = 8, 51 MEDIA_SKIPPED = 9, 52 MEDIA_TIMED_TEXT = 99, 53 MEDIA_ERROR = 100, 54 MEDIA_INFO = 200, 55 MEDIA_SUBTITLE_DATA = 201, 56 MEDIA_META_DATA = 202, 57 }; 58 59 // Generic error codes for the media player framework. Errors are fatal, the 60 // playback must abort. 61 // 62 // Errors are communicated back to the client using the 63 // MediaPlayerListener::notify method defined below. 64 // In this situation, 'notify' is invoked with the following: 65 // 'msg' is set to MEDIA_ERROR. 66 // 'ext1' should be a value from the enum media_error_type. 67 // 'ext2' contains an implementation dependant error code to provide 68 // more details. Should default to 0 when not used. 69 // 70 // The codes are distributed as follow: 71 // 0xx: Reserved 72 // 1xx: Android Player errors. Something went wrong inside the MediaPlayer. 73 // 2xx: Media errors (e.g Codec not supported). There is a problem with the 74 // media itself. 75 // 3xx: Runtime errors. Some extraordinary condition arose making the playback 76 // impossible. 77 // 78 enum media_error_type { 79 // 0xx 80 MEDIA_ERROR_UNKNOWN = 1, 81 // 1xx 82 MEDIA_ERROR_SERVER_DIED = 100, 83 // 2xx 84 MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200, 85 // 3xx 86 }; 87 88 89 // Info and warning codes for the media player framework. These are non fatal, 90 // the playback is going on but there might be some user visible issues. 91 // 92 // Info and warning messages are communicated back to the client using the 93 // MediaPlayerListener::notify method defined below. In this situation, 94 // 'notify' is invoked with the following: 95 // 'msg' is set to MEDIA_INFO. 96 // 'ext1' should be a value from the enum media_info_type. 97 // 'ext2' contains an implementation dependant info code to provide 98 // more details. Should default to 0 when not used. 99 // 100 // The codes are distributed as follow: 101 // 0xx: Reserved 102 // 7xx: Android Player info/warning (e.g player lagging behind.) 103 // 8xx: Media info/warning (e.g media badly interleaved.) 104 // 105 enum media_info_type { 106 // 0xx 107 MEDIA_INFO_UNKNOWN = 1, 108 // The player was started because it was used as the next player for another 109 // player, which just completed playback 110 MEDIA_INFO_STARTED_AS_NEXT = 2, 111 // The player just pushed the very first video frame for rendering 112 MEDIA_INFO_RENDERING_START = 3, 113 // 7xx 114 // The video is too complex for the decoder: it can't decode frames fast 115 // enough. Possibly only the audio plays fine at this stage. 116 MEDIA_INFO_VIDEO_TRACK_LAGGING = 700, 117 // MediaPlayer is temporarily pausing playback internally in order to 118 // buffer more data. 119 MEDIA_INFO_BUFFERING_START = 701, 120 // MediaPlayer is resuming playback after filling buffers. 121 MEDIA_INFO_BUFFERING_END = 702, 122 // Bandwidth in recent past 123 MEDIA_INFO_NETWORK_BANDWIDTH = 703, 124 125 // 8xx 126 // Bad interleaving means that a media has been improperly interleaved or not 127 // interleaved at all, e.g has all the video samples first then all the audio 128 // ones. Video is playing but a lot of disk seek may be happening. 129 MEDIA_INFO_BAD_INTERLEAVING = 800, 130 // The media is not seekable (e.g live stream). 131 MEDIA_INFO_NOT_SEEKABLE = 801, 132 // New media metadata is available. 133 MEDIA_INFO_METADATA_UPDATE = 802, 134 135 //9xx 136 MEDIA_INFO_TIMED_TEXT_ERROR = 900, 137 }; 138 139 140 141 enum media_player_states { 142 MEDIA_PLAYER_STATE_ERROR = 0, 143 MEDIA_PLAYER_IDLE = 1 << 0, 144 MEDIA_PLAYER_INITIALIZED = 1 << 1, 145 MEDIA_PLAYER_PREPARING = 1 << 2, 146 MEDIA_PLAYER_PREPARED = 1 << 3, 147 MEDIA_PLAYER_STARTED = 1 << 4, 148 MEDIA_PLAYER_PAUSED = 1 << 5, 149 MEDIA_PLAYER_STOPPED = 1 << 6, 150 MEDIA_PLAYER_PLAYBACK_COMPLETE = 1 << 7 151 }; 152 153 // Keep KEY_PARAMETER_* in sync with MediaPlayer.java. 154 // The same enum space is used for both set and get, in case there are future keys that 155 // can be both set and get. But as of now, all parameters are either set only or get only. 156 enum media_parameter_keys { 157 // Streaming/buffering parameters 158 KEY_PARAMETER_CACHE_STAT_COLLECT_FREQ_MS = 1100, // set only 159 160 // Return a Parcel containing a single int, which is the channel count of the 161 // audio track, or zero for error (e.g. no audio track) or unknown. 162 KEY_PARAMETER_AUDIO_CHANNEL_COUNT = 1200, // get only 163 164 // Playback rate expressed in permille (1000 is normal speed), saved as int32_t, with negative 165 // values used for rewinding or reverse playback. 166 KEY_PARAMETER_PLAYBACK_RATE_PERMILLE = 1300, // set only 167 168 // Set a Parcel containing the value of a parcelled Java AudioAttribute instance 169 KEY_PARAMETER_AUDIO_ATTRIBUTES = 1400 // set only 170 }; 171 172 // Keep INVOKE_ID_* in sync with MediaPlayer.java. 173 enum media_player_invoke_ids { 174 INVOKE_ID_GET_TRACK_INFO = 1, 175 INVOKE_ID_ADD_EXTERNAL_SOURCE = 2, 176 INVOKE_ID_ADD_EXTERNAL_SOURCE_FD = 3, 177 INVOKE_ID_SELECT_TRACK = 4, 178 INVOKE_ID_UNSELECT_TRACK = 5, 179 INVOKE_ID_SET_VIDEO_SCALING_MODE = 6, 180 INVOKE_ID_GET_SELECTED_TRACK = 7 181 }; 182 183 // Keep MEDIA_TRACK_TYPE_* in sync with MediaPlayer.java. 184 enum media_track_type { 185 MEDIA_TRACK_TYPE_UNKNOWN = 0, 186 MEDIA_TRACK_TYPE_VIDEO = 1, 187 MEDIA_TRACK_TYPE_AUDIO = 2, 188 MEDIA_TRACK_TYPE_TIMEDTEXT = 3, 189 MEDIA_TRACK_TYPE_SUBTITLE = 4, 190 MEDIA_TRACK_TYPE_METADATA = 5, 191 }; 192 193 // ---------------------------------------------------------------------------- 194 // ref-counted object for callbacks 195 class MediaPlayerListener: virtual public RefBase 196 { 197 public: 198 virtual void notify(int msg, int ext1, int ext2, const Parcel *obj) = 0; 199 }; 200 201 struct IMediaHTTPService; 202 203 class MediaPlayer : public BnMediaPlayerClient, 204 public virtual IMediaDeathNotifier 205 { 206 public: 207 MediaPlayer(); 208 ~MediaPlayer(); 209 void died(); 210 void disconnect(); 211 212 status_t setDataSource( 213 const sp<IMediaHTTPService> &httpService, 214 const char *url, 215 const KeyedVector<String8, String8> *headers); 216 217 status_t setDataSource(int fd, int64_t offset, int64_t length); 218 status_t setDataSource(const sp<IStreamSource> &source); 219 status_t setDataSource(const sp<IDataSource> &source); 220 status_t setVideoSurfaceTexture( 221 const sp<IGraphicBufferProducer>& bufferProducer); 222 status_t setListener(const sp<MediaPlayerListener>& listener); 223 status_t prepare(); 224 status_t prepareAsync(); 225 status_t start(); 226 status_t stop(); 227 status_t pause(); 228 bool isPlaying(); 229 status_t setPlaybackSettings(const AudioPlaybackRate& rate); 230 status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */); 231 status_t setSyncSettings(const AVSyncSettings& sync, float videoFpsHint); 232 status_t getSyncSettings( 233 AVSyncSettings* sync /* nonnull */, 234 float* videoFps /* nonnull */); 235 status_t getVideoWidth(int *w); 236 status_t getVideoHeight(int *h); 237 status_t seekTo(int msec); 238 status_t getCurrentPosition(int *msec); 239 status_t getDuration(int *msec); 240 status_t reset(); 241 status_t setAudioStreamType(audio_stream_type_t type); 242 status_t getAudioStreamType(audio_stream_type_t *type); 243 status_t setLooping(int loop); 244 bool isLooping(); 245 status_t setVolume(float leftVolume, float rightVolume); 246 void notify(int msg, int ext1, int ext2, const Parcel *obj = NULL); 247 status_t invoke(const Parcel& request, Parcel *reply); 248 status_t setMetadataFilter(const Parcel& filter); 249 status_t getMetadata(bool update_only, bool apply_filter, Parcel *metadata); 250 status_t setAudioSessionId(int sessionId); 251 int getAudioSessionId(); 252 status_t setAuxEffectSendLevel(float level); 253 status_t attachAuxEffect(int effectId); 254 status_t setParameter(int key, const Parcel& request); 255 status_t getParameter(int key, Parcel* reply); 256 status_t setRetransmitEndpoint(const char* addrString, uint16_t port); 257 status_t setNextMediaPlayer(const sp<MediaPlayer>& player); 258 259 private: 260 void clear_l(); 261 status_t seekTo_l(int msec); 262 status_t prepareAsync_l(); 263 status_t getDuration_l(int *msec); 264 status_t attachNewPlayer(const sp<IMediaPlayer>& player); 265 status_t reset_l(); 266 status_t doSetRetransmitEndpoint(const sp<IMediaPlayer>& player); 267 status_t checkStateForKeySet_l(int key); 268 269 sp<IMediaPlayer> mPlayer; 270 thread_id_t mLockThreadId; 271 Mutex mLock; 272 Mutex mNotifyLock; 273 Condition mSignal; 274 sp<MediaPlayerListener> mListener; 275 void* mCookie; 276 media_player_states mCurrentState; 277 int mCurrentPosition; 278 int mSeekPosition; 279 bool mPrepareSync; 280 status_t mPrepareStatus; 281 audio_stream_type_t mStreamType; 282 Parcel* mAudioAttributesParcel; 283 bool mLoop; 284 float mLeftVolume; 285 float mRightVolume; 286 int mVideoWidth; 287 int mVideoHeight; 288 int mAudioSessionId; 289 float mSendLevel; 290 struct sockaddr_in mRetransmitEndpoint; 291 bool mRetransmitEndpointValid; 292 }; 293 294 }; // namespace android 295 296 #endif // ANDROID_MEDIAPLAYER_H 297
