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