MediaRecorderClient.cpp revision 29357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47
1/* 2 ** Copyright 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 ** limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "MediaRecorderService" 19#include <utils/Log.h> 20 21#include <sys/types.h> 22#include <sys/stat.h> 23#include <dirent.h> 24#include <unistd.h> 25#include <string.h> 26#include <cutils/atomic.h> 27#include <cutils/properties.h> // for property_get 28#include <android_runtime/ActivityManager.h> 29#include <binder/IPCThreadState.h> 30#include <binder/IServiceManager.h> 31#include <binder/MemoryHeapBase.h> 32#include <binder/MemoryBase.h> 33 34#include <utils/String16.h> 35 36#include <media/AudioTrack.h> 37 38#include <system/audio.h> 39 40#include "MediaRecorderClient.h" 41#include "MediaPlayerService.h" 42 43#include "StagefrightRecorder.h" 44#include <gui/ISurfaceTexture.h> 45 46namespace android { 47 48const char* cameraPermission = "android.permission.CAMERA"; 49const char* recordAudioPermission = "android.permission.RECORD_AUDIO"; 50 51static bool checkPermission(const char* permissionString) { 52#ifndef HAVE_ANDROID_OS 53 return true; 54#endif 55 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 56 bool ok = checkCallingPermission(String16(permissionString)); 57 if (!ok) ALOGE("Request requires %s", permissionString); 58 return ok; 59} 60 61 62sp<ISurfaceTexture> MediaRecorderClient::querySurfaceMediaSource() 63{ 64 ALOGV("Query SurfaceMediaSource"); 65 Mutex::Autolock lock(mLock); 66 if (mRecorder == NULL) { 67 ALOGE("recorder is not initialized"); 68 return NULL; 69 } 70 return mRecorder->querySurfaceMediaSource(); 71} 72 73 74 75status_t MediaRecorderClient::setCamera(const sp<ICamera>& camera, 76 const sp<ICameraRecordingProxy>& proxy) 77{ 78 ALOGV("setCamera"); 79 Mutex::Autolock lock(mLock); 80 if (mRecorder == NULL) { 81 ALOGE("recorder is not initialized"); 82 return NO_INIT; 83 } 84 return mRecorder->setCamera(camera, proxy); 85} 86 87status_t MediaRecorderClient::setPreviewSurface(const sp<Surface>& surface) 88{ 89 ALOGV("setPreviewSurface"); 90 Mutex::Autolock lock(mLock); 91 if (mRecorder == NULL) { 92 ALOGE("recorder is not initialized"); 93 return NO_INIT; 94 } 95 return mRecorder->setPreviewSurface(surface); 96} 97 98status_t MediaRecorderClient::setVideoSource(int vs) 99{ 100 ALOGV("setVideoSource(%d)", vs); 101 if (!checkPermission(cameraPermission)) { 102 return PERMISSION_DENIED; 103 } 104 Mutex::Autolock lock(mLock); 105 if (mRecorder == NULL) { 106 ALOGE("recorder is not initialized"); 107 return NO_INIT; 108 } 109 return mRecorder->setVideoSource((video_source)vs); 110} 111 112status_t MediaRecorderClient::setAudioSource(int as) 113{ 114 ALOGV("setAudioSource(%d)", as); 115 if (!checkPermission(recordAudioPermission)) { 116 return PERMISSION_DENIED; 117 } 118 Mutex::Autolock lock(mLock); 119 if (mRecorder == NULL) { 120 ALOGE("recorder is not initialized"); 121 return NO_INIT; 122 } 123 return mRecorder->setAudioSource((audio_source_t)as); 124} 125 126status_t MediaRecorderClient::setOutputFormat(int of) 127{ 128 ALOGV("setOutputFormat(%d)", of); 129 Mutex::Autolock lock(mLock); 130 if (mRecorder == NULL) { 131 ALOGE("recorder is not initialized"); 132 return NO_INIT; 133 } 134 return mRecorder->setOutputFormat((output_format)of); 135} 136 137status_t MediaRecorderClient::setVideoEncoder(int ve) 138{ 139 ALOGV("setVideoEncoder(%d)", ve); 140 Mutex::Autolock lock(mLock); 141 if (mRecorder == NULL) { 142 ALOGE("recorder is not initialized"); 143 return NO_INIT; 144 } 145 return mRecorder->setVideoEncoder((video_encoder)ve); 146} 147 148status_t MediaRecorderClient::setAudioEncoder(int ae) 149{ 150 ALOGV("setAudioEncoder(%d)", ae); 151 Mutex::Autolock lock(mLock); 152 if (mRecorder == NULL) { 153 ALOGE("recorder is not initialized"); 154 return NO_INIT; 155 } 156 return mRecorder->setAudioEncoder((audio_encoder)ae); 157} 158 159status_t MediaRecorderClient::setOutputFile(const char* path) 160{ 161 ALOGV("setOutputFile(%s)", path); 162 Mutex::Autolock lock(mLock); 163 if (mRecorder == NULL) { 164 ALOGE("recorder is not initialized"); 165 return NO_INIT; 166 } 167 return mRecorder->setOutputFile(path); 168} 169 170status_t MediaRecorderClient::setOutputFile(int fd, int64_t offset, int64_t length) 171{ 172 ALOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length); 173 Mutex::Autolock lock(mLock); 174 if (mRecorder == NULL) { 175 ALOGE("recorder is not initialized"); 176 return NO_INIT; 177 } 178 return mRecorder->setOutputFile(fd, offset, length); 179} 180 181status_t MediaRecorderClient::setVideoSize(int width, int height) 182{ 183 ALOGV("setVideoSize(%dx%d)", width, height); 184 Mutex::Autolock lock(mLock); 185 if (mRecorder == NULL) { 186 ALOGE("recorder is not initialized"); 187 return NO_INIT; 188 } 189 return mRecorder->setVideoSize(width, height); 190} 191 192status_t MediaRecorderClient::setVideoFrameRate(int frames_per_second) 193{ 194 ALOGV("setVideoFrameRate(%d)", frames_per_second); 195 Mutex::Autolock lock(mLock); 196 if (mRecorder == NULL) { 197 ALOGE("recorder is not initialized"); 198 return NO_INIT; 199 } 200 return mRecorder->setVideoFrameRate(frames_per_second); 201} 202 203status_t MediaRecorderClient::setParameters(const String8& params) { 204 ALOGV("setParameters(%s)", params.string()); 205 Mutex::Autolock lock(mLock); 206 if (mRecorder == NULL) { 207 ALOGE("recorder is not initialized"); 208 return NO_INIT; 209 } 210 return mRecorder->setParameters(params); 211} 212 213status_t MediaRecorderClient::prepare() 214{ 215 ALOGV("prepare"); 216 Mutex::Autolock lock(mLock); 217 if (mRecorder == NULL) { 218 ALOGE("recorder is not initialized"); 219 return NO_INIT; 220 } 221 return mRecorder->prepare(); 222} 223 224 225status_t MediaRecorderClient::getMaxAmplitude(int* max) 226{ 227 ALOGV("getMaxAmplitude"); 228 Mutex::Autolock lock(mLock); 229 if (mRecorder == NULL) { 230 ALOGE("recorder is not initialized"); 231 return NO_INIT; 232 } 233 return mRecorder->getMaxAmplitude(max); 234} 235 236status_t MediaRecorderClient::start() 237{ 238 ALOGV("start"); 239 Mutex::Autolock lock(mLock); 240 if (mRecorder == NULL) { 241 ALOGE("recorder is not initialized"); 242 return NO_INIT; 243 } 244 return mRecorder->start(); 245 246} 247 248status_t MediaRecorderClient::stop() 249{ 250 ALOGV("stop"); 251 Mutex::Autolock lock(mLock); 252 if (mRecorder == NULL) { 253 ALOGE("recorder is not initialized"); 254 return NO_INIT; 255 } 256 return mRecorder->stop(); 257} 258 259status_t MediaRecorderClient::init() 260{ 261 ALOGV("init"); 262 Mutex::Autolock lock(mLock); 263 if (mRecorder == NULL) { 264 ALOGE("recorder is not initialized"); 265 return NO_INIT; 266 } 267 return mRecorder->init(); 268} 269 270status_t MediaRecorderClient::close() 271{ 272 ALOGV("close"); 273 Mutex::Autolock lock(mLock); 274 if (mRecorder == NULL) { 275 ALOGE("recorder is not initialized"); 276 return NO_INIT; 277 } 278 return mRecorder->close(); 279} 280 281 282status_t MediaRecorderClient::reset() 283{ 284 ALOGV("reset"); 285 Mutex::Autolock lock(mLock); 286 if (mRecorder == NULL) { 287 ALOGE("recorder is not initialized"); 288 return NO_INIT; 289 } 290 return mRecorder->reset(); 291} 292 293status_t MediaRecorderClient::release() 294{ 295 ALOGV("release"); 296 Mutex::Autolock lock(mLock); 297 if (mRecorder != NULL) { 298 delete mRecorder; 299 mRecorder = NULL; 300 wp<MediaRecorderClient> client(this); 301 mMediaPlayerService->removeMediaRecorderClient(client); 302 } 303 return NO_ERROR; 304} 305 306MediaRecorderClient::MediaRecorderClient(const sp<MediaPlayerService>& service, pid_t pid) 307{ 308 ALOGV("Client constructor"); 309 mPid = pid; 310 mRecorder = new StagefrightRecorder; 311 mMediaPlayerService = service; 312} 313 314MediaRecorderClient::~MediaRecorderClient() 315{ 316 ALOGV("Client destructor"); 317 release(); 318} 319 320status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener) 321{ 322 ALOGV("setListener"); 323 Mutex::Autolock lock(mLock); 324 if (mRecorder == NULL) { 325 ALOGE("recorder is not initialized"); 326 return NO_INIT; 327 } 328 return mRecorder->setListener(listener); 329} 330 331status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) const { 332 if (mRecorder != NULL) { 333 return mRecorder->dump(fd, args); 334 } 335 return OK; 336} 337 338}; // namespace android 339