mediaplayer.h revision cbaffcffee6418d678806e63097c19fe26d48fe0
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#include <media/IMediaPlayerClient.h> 24#include <media/IMediaPlayer.h> 25#include <media/IMediaDeathNotifier.h> 26#include <media/IStreamSource.h> 27 28#include <utils/KeyedVector.h> 29#include <utils/String8.h> 30 31class ANativeWindow; 32 33namespace android { 34 35class Surface; 36class IGraphicBufferProducer; 37 38enum media_event_type { 39 MEDIA_NOP = 0, // interface test message 40 MEDIA_PREPARED = 1, 41 MEDIA_PLAYBACK_COMPLETE = 2, 42 MEDIA_BUFFERING_UPDATE = 3, 43 MEDIA_SEEK_COMPLETE = 4, 44 MEDIA_SET_VIDEO_SIZE = 5, 45 MEDIA_STARTED = 6, 46 MEDIA_PAUSED = 7, 47 MEDIA_STOPPED = 8, 48 MEDIA_TIMED_TEXT = 99, 49 MEDIA_ERROR = 100, 50 MEDIA_INFO = 200, 51}; 52 53// Generic error codes for the media player framework. Errors are fatal, the 54// playback must abort. 55// 56// Errors are communicated back to the client using the 57// MediaPlayerListener::notify method defined below. 58// In this situation, 'notify' is invoked with the following: 59// 'msg' is set to MEDIA_ERROR. 60// 'ext1' should be a value from the enum media_error_type. 61// 'ext2' contains an implementation dependant error code to provide 62// more details. Should default to 0 when not used. 63// 64// The codes are distributed as follow: 65// 0xx: Reserved 66// 1xx: Android Player errors. Something went wrong inside the MediaPlayer. 67// 2xx: Media errors (e.g Codec not supported). There is a problem with the 68// media itself. 69// 3xx: Runtime errors. Some extraordinary condition arose making the playback 70// impossible. 71// 72enum media_error_type { 73 // 0xx 74 MEDIA_ERROR_UNKNOWN = 1, 75 // 1xx 76 MEDIA_ERROR_SERVER_DIED = 100, 77 // 2xx 78 MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200, 79 // 3xx 80}; 81 82 83// Info and warning codes for the media player framework. These are non fatal, 84// the playback is going on but there might be some user visible issues. 85// 86// Info and warning messages are communicated back to the client using the 87// MediaPlayerListener::notify method defined below. In this situation, 88// 'notify' is invoked with the following: 89// 'msg' is set to MEDIA_INFO. 90// 'ext1' should be a value from the enum media_info_type. 91// 'ext2' contains an implementation dependant info code to provide 92// more details. Should default to 0 when not used. 93// 94// The codes are distributed as follow: 95// 0xx: Reserved 96// 7xx: Android Player info/warning (e.g player lagging behind.) 97// 8xx: Media info/warning (e.g media badly interleaved.) 98// 99enum media_info_type { 100 // 0xx 101 MEDIA_INFO_UNKNOWN = 1, 102 // The player was started because it was used as the next player for another 103 // player, which just completed playback 104 MEDIA_INFO_STARTED_AS_NEXT = 2, 105 // The player just pushed the very first video frame for rendering 106 MEDIA_INFO_RENDERING_START = 3, 107 // 7xx 108 // The video is too complex for the decoder: it can't decode frames fast 109 // enough. Possibly only the audio plays fine at this stage. 110 MEDIA_INFO_VIDEO_TRACK_LAGGING = 700, 111 // MediaPlayer is temporarily pausing playback internally in order to 112 // buffer more data. 113 MEDIA_INFO_BUFFERING_START = 701, 114 // MediaPlayer is resuming playback after filling buffers. 115 MEDIA_INFO_BUFFERING_END = 702, 116 // Bandwidth in recent past 117 MEDIA_INFO_NETWORK_BANDWIDTH = 703, 118 119 // 8xx 120 // Bad interleaving means that a media has been improperly interleaved or not 121 // interleaved at all, e.g has all the video samples first then all the audio 122 // ones. Video is playing but a lot of disk seek may be happening. 123 MEDIA_INFO_BAD_INTERLEAVING = 800, 124 // The media is not seekable (e.g live stream). 125 MEDIA_INFO_NOT_SEEKABLE = 801, 126 // New media metadata is available. 127 MEDIA_INFO_METADATA_UPDATE = 802, 128 129 //9xx 130 MEDIA_INFO_TIMED_TEXT_ERROR = 900, 131}; 132 133 134 135enum media_player_states { 136 MEDIA_PLAYER_STATE_ERROR = 0, 137 MEDIA_PLAYER_IDLE = 1 << 0, 138 MEDIA_PLAYER_INITIALIZED = 1 << 1, 139 MEDIA_PLAYER_PREPARING = 1 << 2, 140 MEDIA_PLAYER_PREPARED = 1 << 3, 141 MEDIA_PLAYER_STARTED = 1 << 4, 142 MEDIA_PLAYER_PAUSED = 1 << 5, 143 MEDIA_PLAYER_STOPPED = 1 << 6, 144 MEDIA_PLAYER_PLAYBACK_COMPLETE = 1 << 7 145}; 146 147// Keep KEY_PARAMETER_* in sync with MediaPlayer.java. 148// The same enum space is used for both set and get, in case there are future keys that 149// can be both set and get. But as of now, all parameters are either set only or get only. 150enum media_parameter_keys { 151 // Streaming/buffering parameters 152 KEY_PARAMETER_CACHE_STAT_COLLECT_FREQ_MS = 1100, // set only 153 154 // Return a Parcel containing a single int, which is the channel count of the 155 // audio track, or zero for error (e.g. no audio track) or unknown. 156 KEY_PARAMETER_AUDIO_CHANNEL_COUNT = 1200, // get only 157 158 // Playback rate expressed in permille (1000 is normal speed), saved as int32_t, with negative 159 // values used for rewinding or reverse playback. 160 KEY_PARAMETER_PLAYBACK_RATE_PERMILLE = 1300, // set only 161}; 162 163// Keep INVOKE_ID_* in sync with MediaPlayer.java. 164enum media_player_invoke_ids { 165 INVOKE_ID_GET_TRACK_INFO = 1, 166 INVOKE_ID_ADD_EXTERNAL_SOURCE = 2, 167 INVOKE_ID_ADD_EXTERNAL_SOURCE_FD = 3, 168 INVOKE_ID_SELECT_TRACK = 4, 169 INVOKE_ID_UNSELECT_TRACK = 5, 170 INVOKE_ID_SET_VIDEO_SCALING_MODE = 6, 171}; 172 173// Keep MEDIA_TRACK_TYPE_* in sync with MediaPlayer.java. 174enum media_track_type { 175 MEDIA_TRACK_TYPE_UNKNOWN = 0, 176 MEDIA_TRACK_TYPE_VIDEO = 1, 177 MEDIA_TRACK_TYPE_AUDIO = 2, 178 MEDIA_TRACK_TYPE_TIMEDTEXT = 3, 179}; 180 181// ---------------------------------------------------------------------------- 182// ref-counted object for callbacks 183class MediaPlayerListener: virtual public RefBase 184{ 185public: 186 virtual void notify(int msg, int ext1, int ext2, const Parcel *obj) = 0; 187}; 188 189class MediaPlayer : public BnMediaPlayerClient, 190 public virtual IMediaDeathNotifier 191{ 192public: 193 MediaPlayer(); 194 ~MediaPlayer(); 195 void died(); 196 void disconnect(); 197 198 status_t setDataSource( 199 const char *url, 200 const KeyedVector<String8, String8> *headers); 201 202 status_t setDataSource(int fd, int64_t offset, int64_t length); 203 status_t setDataSource(const sp<IStreamSource> &source); 204 status_t setVideoSurfaceTexture( 205 const sp<IGraphicBufferProducer>& bufferProducer); 206 status_t setListener(const sp<MediaPlayerListener>& listener); 207 status_t prepare(); 208 status_t prepareAsync(); 209 status_t start(); 210 status_t stop(); 211 status_t pause(); 212 bool isPlaying(); 213 status_t getVideoWidth(int *w); 214 status_t getVideoHeight(int *h); 215 status_t seekTo(int msec); 216 status_t getCurrentPosition(int *msec); 217 status_t getDuration(int *msec); 218 status_t reset(); 219 status_t setAudioStreamType(audio_stream_type_t type); 220 status_t setLooping(int loop); 221 bool isLooping(); 222 status_t setVolume(float leftVolume, float rightVolume); 223 void notify(int msg, int ext1, int ext2, const Parcel *obj = NULL); 224 static sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat); 225 static sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat); 226 status_t invoke(const Parcel& request, Parcel *reply); 227 status_t setMetadataFilter(const Parcel& filter); 228 status_t getMetadata(bool update_only, bool apply_filter, Parcel *metadata); 229 status_t setAudioSessionId(int sessionId); 230 int getAudioSessionId(); 231 status_t setAuxEffectSendLevel(float level); 232 status_t attachAuxEffect(int effectId); 233 status_t setParameter(int key, const Parcel& request); 234 status_t getParameter(int key, Parcel* reply); 235 status_t setRetransmitEndpoint(const char* addrString, uint16_t port); 236 status_t setNextMediaPlayer(const sp<MediaPlayer>& player); 237 238 status_t updateProxyConfig( 239 const char *host, int32_t port, const char *exclusionList); 240 241private: 242 void clear_l(); 243 status_t seekTo_l(int msec); 244 status_t prepareAsync_l(); 245 status_t getDuration_l(int *msec); 246 status_t attachNewPlayer(const sp<IMediaPlayer>& player); 247 status_t reset_l(); 248 status_t doSetRetransmitEndpoint(const sp<IMediaPlayer>& player); 249 250 sp<IMediaPlayer> mPlayer; 251 thread_id_t mLockThreadId; 252 Mutex mLock; 253 Mutex mNotifyLock; 254 Condition mSignal; 255 sp<MediaPlayerListener> mListener; 256 void* mCookie; 257 media_player_states mCurrentState; 258 int mCurrentPosition; 259 int mSeekPosition; 260 bool mPrepareSync; 261 status_t mPrepareStatus; 262 audio_stream_type_t mStreamType; 263 bool mLoop; 264 float mLeftVolume; 265 float mRightVolume; 266 int mVideoWidth; 267 int mVideoHeight; 268 int mAudioSessionId; 269 float mSendLevel; 270 struct sockaddr_in mRetransmitEndpoint; 271 bool mRetransmitEndpointValid; 272}; 273 274}; // namespace android 275 276#endif // ANDROID_MEDIAPLAYER_H 277