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/IMediaPlayerClient.h> 26 #include <media/IMediaDeathNotifier.h> 27 28 namespace android { 29 30 class Surface; 31 class IMediaRecorder; 32 class ICamera; 33 34 typedef void (*media_completion_f)(status_t status, void *cookie); 35 36 /* Do not change these values without updating their counterparts 37 * in media/java/android/media/MediaRecorder.java! 38 */ 39 enum audio_source { 40 AUDIO_SOURCE_DEFAULT = 0, 41 AUDIO_SOURCE_MIC = 1, 42 AUDIO_SOURCE_VOICE_UPLINK = 2, 43 AUDIO_SOURCE_VOICE_DOWNLINK = 3, 44 AUDIO_SOURCE_VOICE_CALL = 4, 45 AUDIO_SOURCE_CAMCORDER = 5, 46 AUDIO_SOURCE_VOICE_RECOGNITION = 6, 47 AUDIO_SOURCE_MAX = AUDIO_SOURCE_VOICE_RECOGNITION, 48 49 AUDIO_SOURCE_LIST_END // must be last - used to validate audio source type 50 }; 51 52 enum video_source { 53 VIDEO_SOURCE_DEFAULT = 0, 54 VIDEO_SOURCE_CAMERA = 1, 55 56 VIDEO_SOURCE_LIST_END // must be last - used to validate audio source type 57 }; 58 59 //Please update media/java/android/media/MediaRecorder.java if the following is updated. 60 enum output_format { 61 OUTPUT_FORMAT_DEFAULT = 0, 62 OUTPUT_FORMAT_THREE_GPP = 1, 63 OUTPUT_FORMAT_MPEG_4 = 2, 64 65 66 OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format. Should be the 67 // at the start of the audio only output formats. 68 69 /* These are audio only file formats */ 70 OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible 71 OUTPUT_FORMAT_AMR_NB = 3, 72 OUTPUT_FORMAT_AMR_WB = 4, 73 OUTPUT_FORMAT_AAC_ADIF = 5, 74 OUTPUT_FORMAT_AAC_ADTS = 6, 75 76 OUTPUT_FORMAT_LIST_END // must be last - used to validate format type 77 }; 78 79 enum audio_encoder { 80 AUDIO_ENCODER_DEFAULT = 0, 81 AUDIO_ENCODER_AMR_NB = 1, 82 AUDIO_ENCODER_AMR_WB = 2, 83 AUDIO_ENCODER_AAC = 3, 84 AUDIO_ENCODER_AAC_PLUS = 4, 85 AUDIO_ENCODER_EAAC_PLUS = 5, 86 87 AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type 88 }; 89 90 enum video_encoder { 91 VIDEO_ENCODER_DEFAULT = 0, 92 VIDEO_ENCODER_H263 = 1, 93 VIDEO_ENCODER_H264 = 2, 94 VIDEO_ENCODER_MPEG_4_SP = 3, 95 96 VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type 97 }; 98 99 /* 100 * The state machine of the media_recorder uses a set of different state names. 101 * The mapping between the media_recorder and the pvauthorengine is shown below: 102 * 103 * mediarecorder pvauthorengine 104 * ---------------------------------------------------------------- 105 * MEDIA_RECORDER_ERROR ERROR 106 * MEDIA_RECORDER_IDLE IDLE 107 * MEDIA_RECORDER_INITIALIZED OPENED 108 * MEDIA_RECORDER_DATASOURCE_CONFIGURED 109 * MEDIA_RECORDER_PREPARED INITIALIZED 110 * MEDIA_RECORDER_RECORDING RECORDING 111 */ 112 enum media_recorder_states { 113 MEDIA_RECORDER_ERROR = 0, 114 MEDIA_RECORDER_IDLE = 1 << 0, 115 MEDIA_RECORDER_INITIALIZED = 1 << 1, 116 MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2, 117 MEDIA_RECORDER_PREPARED = 1 << 3, 118 MEDIA_RECORDER_RECORDING = 1 << 4, 119 }; 120 121 // The "msg" code passed to the listener in notify. 122 enum media_recorder_event_type { 123 MEDIA_RECORDER_EVENT_ERROR = 1, 124 MEDIA_RECORDER_EVENT_INFO = 2 125 }; 126 127 enum media_recorder_error_type { 128 MEDIA_RECORDER_ERROR_UNKNOWN = 1 129 }; 130 131 // The codes are distributed as follow: 132 // 0xx: Reserved 133 // 8xx: General info/warning 134 // 135 enum media_recorder_info_type { 136 MEDIA_RECORDER_INFO_UNKNOWN = 1, 137 MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800, 138 MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801 139 }; 140 141 // ---------------------------------------------------------------------------- 142 // ref-counted object for callbacks 143 class MediaRecorderListener: virtual public RefBase 144 { 145 public: 146 virtual void notify(int msg, int ext1, int ext2) = 0; 147 }; 148 149 class MediaRecorder : public BnMediaPlayerClient, 150 public virtual IMediaDeathNotifier 151 { 152 public: 153 MediaRecorder(); 154 ~MediaRecorder(); 155 156 void died(); 157 status_t initCheck(); 158 status_t setCamera(const sp<ICamera>& camera); 159 status_t setPreviewSurface(const sp<Surface>& surface); 160 status_t setVideoSource(int vs); 161 status_t setAudioSource(int as); 162 status_t setOutputFormat(int of); 163 status_t setVideoEncoder(int ve); 164 status_t setAudioEncoder(int ae); 165 status_t setOutputFile(const char* path); 166 status_t setOutputFile(int fd, int64_t offset, int64_t length); 167 status_t setVideoSize(int width, int height); 168 status_t setVideoFrameRate(int frames_per_second); 169 status_t setParameters(const String8& params); 170 status_t setListener(const sp<MediaRecorderListener>& listener); 171 status_t prepare(); 172 status_t getMaxAmplitude(int* max); 173 status_t start(); 174 status_t stop(); 175 status_t reset(); 176 status_t init(); 177 status_t close(); 178 status_t release(); 179 void notify(int msg, int ext1, int ext2); 180 181 private: 182 void doCleanUp(); 183 status_t doReset(); 184 185 sp<IMediaRecorder> mMediaRecorder; 186 sp<MediaRecorderListener> mListener; 187 media_recorder_states mCurrentState; 188 bool mIsAudioSourceSet; 189 bool mIsVideoSourceSet; 190 bool mIsAudioEncoderSet; 191 bool mIsVideoEncoderSet; 192 bool mIsOutputFileSet; 193 Mutex mLock; 194 Mutex mNotifyLock; 195 }; 196 197 }; // namespace android 198 199 #endif // ANDROID_MEDIARECORDER_H 200
