MediaRecorderClient.cpp revision 5d6aca5d86e86af3f8f597be573d4563d69ceb85
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#ifndef NO_OPENCORE 35#include <media/PVMediaRecorder.h> 36#endif 37 38#include <utils/String16.h> 39 40#include <media/AudioTrack.h> 41 42#include "MediaRecorderClient.h" 43#include "MediaPlayerService.h" 44 45#include "StagefrightRecorder.h" 46 47namespace android { 48 49const char* cameraPermission = "android.permission.CAMERA"; 50const char* recordAudioPermission = "android.permission.RECORD_AUDIO"; 51 52static bool checkPermission(const char* permissionString) { 53#ifndef HAVE_ANDROID_OS 54 return true; 55#endif 56 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 57 bool ok = checkCallingPermission(String16(permissionString)); 58 if (!ok) LOGE("Request requires %s", permissionString); 59 return ok; 60} 61 62status_t MediaRecorderClient::setCamera(const sp<ICamera>& camera) 63{ 64 LOGV("setCamera"); 65 Mutex::Autolock lock(mLock); 66 if (mRecorder == NULL) { 67 LOGE("recorder is not initialized"); 68 return NO_INIT; 69 } 70 return mRecorder->setCamera(camera); 71} 72 73status_t MediaRecorderClient::setPreviewSurface(const sp<Surface>& surface) 74{ 75 LOGV("setPreviewSurface"); 76 Mutex::Autolock lock(mLock); 77 if (mRecorder == NULL) { 78 LOGE("recorder is not initialized"); 79 return NO_INIT; 80 } 81 return mRecorder->setPreviewSurface(surface); 82} 83 84status_t MediaRecorderClient::setVideoSource(int vs) 85{ 86 LOGV("setVideoSource(%d)", vs); 87 if (!checkPermission(cameraPermission)) { 88 return PERMISSION_DENIED; 89 } 90 Mutex::Autolock lock(mLock); 91 if (mRecorder == NULL) { 92 LOGE("recorder is not initialized"); 93 return NO_INIT; 94 } 95 return mRecorder->setVideoSource((video_source)vs); 96} 97 98status_t MediaRecorderClient::setAudioSource(int as) 99{ 100 LOGV("setAudioSource(%d)", as); 101 if (!checkPermission(recordAudioPermission)) { 102 return PERMISSION_DENIED; 103 } 104 Mutex::Autolock lock(mLock); 105 if (mRecorder == NULL) { 106 LOGE("recorder is not initialized"); 107 return NO_INIT; 108 } 109 return mRecorder->setAudioSource((audio_source)as); 110} 111 112status_t MediaRecorderClient::setOutputFormat(int of) 113{ 114 LOGV("setOutputFormat(%d)", of); 115 Mutex::Autolock lock(mLock); 116 if (mRecorder == NULL) { 117 LOGE("recorder is not initialized"); 118 return NO_INIT; 119 } 120 return mRecorder->setOutputFormat((output_format)of); 121} 122 123status_t MediaRecorderClient::setVideoEncoder(int ve) 124{ 125 LOGV("setVideoEncoder(%d)", ve); 126 Mutex::Autolock lock(mLock); 127 if (mRecorder == NULL) { 128 LOGE("recorder is not initialized"); 129 return NO_INIT; 130 } 131 return mRecorder->setVideoEncoder((video_encoder)ve); 132} 133 134status_t MediaRecorderClient::setAudioEncoder(int ae) 135{ 136 LOGV("setAudioEncoder(%d)", ae); 137 Mutex::Autolock lock(mLock); 138 if (mRecorder == NULL) { 139 LOGE("recorder is not initialized"); 140 return NO_INIT; 141 } 142 return mRecorder->setAudioEncoder((audio_encoder)ae); 143} 144 145status_t MediaRecorderClient::setOutputFile(const char* path) 146{ 147 LOGV("setOutputFile(%s)", path); 148 Mutex::Autolock lock(mLock); 149 if (mRecorder == NULL) { 150 LOGE("recorder is not initialized"); 151 return NO_INIT; 152 } 153 return mRecorder->setOutputFile(path); 154} 155 156status_t MediaRecorderClient::setOutputFile(int fd, int64_t offset, int64_t length) 157{ 158 LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length); 159 Mutex::Autolock lock(mLock); 160 if (mRecorder == NULL) { 161 LOGE("recorder is not initialized"); 162 return NO_INIT; 163 } 164 return mRecorder->setOutputFile(fd, offset, length); 165} 166 167status_t MediaRecorderClient::setOutputFileAuxiliary(int fd) 168{ 169 LOGV("setOutputFileAuxiliary(%d)", fd); 170 Mutex::Autolock lock(mLock); 171 if (mRecorder == NULL) { 172 LOGE("recorder is not initialized"); 173 return NO_INIT; 174 } 175 return mRecorder->setOutputFileAuxiliary(fd); 176} 177 178status_t MediaRecorderClient::setVideoSize(int width, int height) 179{ 180 LOGV("setVideoSize(%dx%d)", width, height); 181 Mutex::Autolock lock(mLock); 182 if (mRecorder == NULL) { 183 LOGE("recorder is not initialized"); 184 return NO_INIT; 185 } 186 return mRecorder->setVideoSize(width, height); 187} 188 189status_t MediaRecorderClient::setVideoFrameRate(int frames_per_second) 190{ 191 LOGV("setVideoFrameRate(%d)", frames_per_second); 192 Mutex::Autolock lock(mLock); 193 if (mRecorder == NULL) { 194 LOGE("recorder is not initialized"); 195 return NO_INIT; 196 } 197 return mRecorder->setVideoFrameRate(frames_per_second); 198} 199 200status_t MediaRecorderClient::setParameters(const String8& params) { 201 LOGV("setParameters(%s)", params.string()); 202 Mutex::Autolock lock(mLock); 203 if (mRecorder == NULL) { 204 LOGE("recorder is not initialized"); 205 return NO_INIT; 206 } 207 return mRecorder->setParameters(params); 208} 209 210status_t MediaRecorderClient::prepare() 211{ 212 LOGV("prepare"); 213 Mutex::Autolock lock(mLock); 214 if (mRecorder == NULL) { 215 LOGE("recorder is not initialized"); 216 return NO_INIT; 217 } 218 return mRecorder->prepare(); 219} 220 221 222status_t MediaRecorderClient::getMaxAmplitude(int* max) 223{ 224 LOGV("getMaxAmplitude"); 225 Mutex::Autolock lock(mLock); 226 if (mRecorder == NULL) { 227 LOGE("recorder is not initialized"); 228 return NO_INIT; 229 } 230 return mRecorder->getMaxAmplitude(max); 231} 232 233status_t MediaRecorderClient::start() 234{ 235 LOGV("start"); 236 Mutex::Autolock lock(mLock); 237 if (mRecorder == NULL) { 238 LOGE("recorder is not initialized"); 239 return NO_INIT; 240 } 241 return mRecorder->start(); 242 243} 244 245status_t MediaRecorderClient::stop() 246{ 247 LOGV("stop"); 248 Mutex::Autolock lock(mLock); 249 if (mRecorder == NULL) { 250 LOGE("recorder is not initialized"); 251 return NO_INIT; 252 } 253 return mRecorder->stop(); 254} 255 256status_t MediaRecorderClient::init() 257{ 258 LOGV("init"); 259 Mutex::Autolock lock(mLock); 260 if (mRecorder == NULL) { 261 LOGE("recorder is not initialized"); 262 return NO_INIT; 263 } 264 return mRecorder->init(); 265} 266 267status_t MediaRecorderClient::close() 268{ 269 LOGV("close"); 270 Mutex::Autolock lock(mLock); 271 if (mRecorder == NULL) { 272 LOGE("recorder is not initialized"); 273 return NO_INIT; 274 } 275 return mRecorder->close(); 276} 277 278 279status_t MediaRecorderClient::reset() 280{ 281 LOGV("reset"); 282 Mutex::Autolock lock(mLock); 283 if (mRecorder == NULL) { 284 LOGE("recorder is not initialized"); 285 return NO_INIT; 286 } 287 return mRecorder->reset(); 288} 289 290status_t MediaRecorderClient::release() 291{ 292 LOGV("release"); 293 Mutex::Autolock lock(mLock); 294 if (mRecorder != NULL) { 295 delete mRecorder; 296 mRecorder = NULL; 297 wp<MediaRecorderClient> client(this); 298 mMediaPlayerService->removeMediaRecorderClient(client); 299 } 300 return NO_ERROR; 301} 302 303MediaRecorderClient::MediaRecorderClient(const sp<MediaPlayerService>& service, pid_t pid) 304{ 305 LOGV("Client constructor"); 306 mPid = pid; 307 308 char value[PROPERTY_VALUE_MAX]; 309 if (!property_get("media.stagefright.enable-record", value, NULL) 310 || !strcmp(value, "1") || !strcasecmp(value, "true")) { 311 mRecorder = new StagefrightRecorder; 312 } else 313#ifndef NO_OPENCORE 314 { 315 mRecorder = new PVMediaRecorder(); 316 } 317#else 318 { 319 mRecorder = NULL; 320 } 321#endif 322 323 mMediaPlayerService = service; 324} 325 326MediaRecorderClient::~MediaRecorderClient() 327{ 328 LOGV("Client destructor"); 329 release(); 330} 331 332status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener) 333{ 334 LOGV("setListener"); 335 Mutex::Autolock lock(mLock); 336 if (mRecorder == NULL) { 337 LOGE("recorder is not initialized"); 338 return NO_INIT; 339 } 340 return mRecorder->setListener(listener); 341} 342 343status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) const { 344 if (mRecorder != NULL) { 345 return mRecorder->dump(fd, args); 346 } 347 return OK; 348} 349 350}; // namespace android 351