1 /* 2 ** Copyright (C) 2008 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 ** 15 ** limitations under the License. 16 */ 17 18 #ifndef ANDROID_MEDIARECORDER_H 19 #define ANDROID_MEDIARECORDER_H 20 21 #include <utils/Log.h> 22 #include <utils/threads.h> 23 #include <utils/List.h> 24 #include <utils/Errors.h> 25 #include <media/IMediaRecorderClient.h> 26 #include <media/IMediaDeathNotifier.h> 27 28 namespace android { 29 30 class Surface; 31 class IMediaRecorder; 32 class ICamera; 33 class ICameraRecordingProxy; 34 class IGraphicBufferProducer; 35 class Surface; 36 37 typedef void (*media_completion_f)(status_t status, void *cookie); 38 39 enum video_source { 40 VIDEO_SOURCE_DEFAULT = 0, 41 VIDEO_SOURCE_CAMERA = 1, 42 VIDEO_SOURCE_GRALLOC_BUFFER = 2, 43 44 VIDEO_SOURCE_LIST_END // must be last - used to validate audio source type 45 }; 46 47 //Please update media/java/android/media/MediaRecorder.java if the following is updated. 48 enum output_format { 49 OUTPUT_FORMAT_DEFAULT = 0, 50 OUTPUT_FORMAT_THREE_GPP = 1, 51 OUTPUT_FORMAT_MPEG_4 = 2, 52 53 54 OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format. Should be the 55 // at the start of the audio only output formats. 56 57 /* These are audio only file formats */ 58 OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible 59 OUTPUT_FORMAT_AMR_NB = 3, 60 OUTPUT_FORMAT_AMR_WB = 4, 61 OUTPUT_FORMAT_AAC_ADIF = 5, 62 OUTPUT_FORMAT_AAC_ADTS = 6, 63 64 /* Stream over a socket, limited to a single stream */ 65 OUTPUT_FORMAT_RTP_AVP = 7, 66 67 /* H.264/AAC data encapsulated in MPEG2/TS */ 68 OUTPUT_FORMAT_MPEG2TS = 8, 69 70 OUTPUT_FORMAT_LIST_END // must be last - used to validate format type 71 }; 72 73 enum audio_encoder { 74 AUDIO_ENCODER_DEFAULT = 0, 75 AUDIO_ENCODER_AMR_NB = 1, 76 AUDIO_ENCODER_AMR_WB = 2, 77 AUDIO_ENCODER_AAC = 3, 78 AUDIO_ENCODER_HE_AAC = 4, 79 AUDIO_ENCODER_AAC_ELD = 5, 80 81 AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type 82 }; 83 84 enum video_encoder { 85 VIDEO_ENCODER_DEFAULT = 0, 86 VIDEO_ENCODER_H263 = 1, 87 VIDEO_ENCODER_H264 = 2, 88 VIDEO_ENCODER_MPEG_4_SP = 3, 89 90 VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type 91 }; 92 93 /* 94 * The state machine of the media_recorder. 95 */ 96 enum media_recorder_states { 97 // Error state. 98 MEDIA_RECORDER_ERROR = 0, 99 100 // Recorder was just created. 101 MEDIA_RECORDER_IDLE = 1 << 0, 102 103 // Recorder has been initialized. 104 MEDIA_RECORDER_INITIALIZED = 1 << 1, 105 106 // Configuration of the recorder has been completed. 107 MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2, 108 109 // Recorder is ready to start. 110 MEDIA_RECORDER_PREPARED = 1 << 3, 111 112 // Recording is in progress. 113 MEDIA_RECORDER_RECORDING = 1 << 4, 114 }; 115 116 // The "msg" code passed to the listener in notify. 117 enum media_recorder_event_type { 118 MEDIA_RECORDER_EVENT_LIST_START = 1, 119 MEDIA_RECORDER_EVENT_ERROR = 1, 120 MEDIA_RECORDER_EVENT_INFO = 2, 121 MEDIA_RECORDER_EVENT_LIST_END = 99, 122 123 // Track related event types 124 MEDIA_RECORDER_TRACK_EVENT_LIST_START = 100, 125 MEDIA_RECORDER_TRACK_EVENT_ERROR = 100, 126 MEDIA_RECORDER_TRACK_EVENT_INFO = 101, 127 MEDIA_RECORDER_TRACK_EVENT_LIST_END = 1000, 128 }; 129 130 /* 131 * The (part of) "what" code passed to the listener in notify. 132 * When the error or info type is track specific, the what has 133 * the following layout: 134 * the left-most 16-bit is meant for error or info type. 135 * the right-most 4-bit is meant for track id. 136 * the rest is reserved. 137 * 138 * | track id | reserved | error or info type | 139 * 31 28 16 0 140 * 141 */ 142 enum media_recorder_error_type { 143 MEDIA_RECORDER_ERROR_UNKNOWN = 1, 144 145 // Track related error type 146 MEDIA_RECORDER_TRACK_ERROR_LIST_START = 100, 147 MEDIA_RECORDER_TRACK_ERROR_GENERAL = 100, 148 MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME = 200, 149 MEDIA_RECORDER_TRACK_ERROR_LIST_END = 1000, 150 }; 151 152 // The codes are distributed as follow: 153 // 0xx: Reserved 154 // 8xx: General info/warning 155 // 156 enum media_recorder_info_type { 157 MEDIA_RECORDER_INFO_UNKNOWN = 1, 158 159 MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800, 160 MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801, 161 162 // All track related informtional events start here 163 MEDIA_RECORDER_TRACK_INFO_LIST_START = 1000, 164 MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS = 1000, 165 MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME = 1001, 166 MEDIA_RECORDER_TRACK_INFO_TYPE = 1002, 167 MEDIA_RECORDER_TRACK_INFO_DURATION_MS = 1003, 168 169 // The time to measure the max chunk duration 170 MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS = 1004, 171 172 MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES = 1005, 173 174 // The time to measure how well the audio and video 175 // track data is interleaved. 176 MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS = 1006, 177 178 // The time to measure system response. Note that 179 // the delay does not include the intentional delay 180 // we use to eliminate the recording sound. 181 MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS = 1007, 182 183 // The time used to compensate for initial A/V sync. 184 MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS = 1008, 185 186 // Total number of bytes of the media data. 187 MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES = 1009, 188 189 MEDIA_RECORDER_TRACK_INFO_LIST_END = 2000, 190 }; 191 192 // ---------------------------------------------------------------------------- 193 // ref-counted object for callbacks 194 class MediaRecorderListener: virtual public RefBase 195 { 196 public: 197 virtual void notify(int msg, int ext1, int ext2) = 0; 198 }; 199 200 class MediaRecorder : public BnMediaRecorderClient, 201 public virtual IMediaDeathNotifier 202 { 203 public: 204 MediaRecorder(); 205 ~MediaRecorder(); 206 207 void died(); 208 status_t initCheck(); 209 status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy); 210 status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface); 211 status_t setVideoSource(int vs); 212 status_t setAudioSource(int as); 213 status_t setOutputFormat(int of); 214 status_t setVideoEncoder(int ve); 215 status_t setAudioEncoder(int ae); 216 status_t setOutputFile(const char* path); 217 status_t setOutputFile(int fd, int64_t offset, int64_t length); 218 status_t setVideoSize(int width, int height); 219 status_t setVideoFrameRate(int frames_per_second); 220 status_t setParameters(const String8& params); 221 status_t setListener(const sp<MediaRecorderListener>& listener); 222 status_t setClientName(const String16& clientName); 223 status_t prepare(); 224 status_t getMaxAmplitude(int* max); 225 status_t start(); 226 status_t stop(); 227 status_t reset(); 228 status_t init(); 229 status_t close(); 230 status_t release(); 231 void notify(int msg, int ext1, int ext2); 232 sp<IGraphicBufferProducer> querySurfaceMediaSourceFromMediaServer(); 233 234 private: 235 void doCleanUp(); 236 status_t doReset(); 237 238 sp<IMediaRecorder> mMediaRecorder; 239 sp<MediaRecorderListener> mListener; 240 241 // Reference to IGraphicBufferProducer 242 // for encoding GL Frames. That is useful only when the 243 // video source is set to VIDEO_SOURCE_GRALLOC_BUFFER 244 sp<IGraphicBufferProducer> mSurfaceMediaSource; 245 246 media_recorder_states mCurrentState; 247 bool mIsAudioSourceSet; 248 bool mIsVideoSourceSet; 249 bool mIsAudioEncoderSet; 250 bool mIsVideoEncoderSet; 251 bool mIsOutputFileSet; 252 Mutex mLock; 253 Mutex mNotifyLock; 254 }; 255 256 }; // namespace android 257 258 #endif // ANDROID_MEDIARECORDER_H 259