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 <binder/IPCThreadState.h> 29#include <binder/IServiceManager.h> 30#include <binder/MemoryHeapBase.h> 31#include <binder/MemoryBase.h> 32 33#include <utils/String16.h> 34 35#include <system/audio.h> 36 37#include "MediaRecorderClient.h" 38#include "MediaPlayerService.h" 39 40#include "StagefrightRecorder.h" 41#include <gui/IGraphicBufferProducer.h> 42 43namespace android { 44 45const char* cameraPermission = "android.permission.CAMERA"; 46const char* recordAudioPermission = "android.permission.RECORD_AUDIO"; 47 48static bool checkPermission(const char* permissionString) { 49#ifndef HAVE_ANDROID_OS 50 return true; 51#endif 52 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 53 bool ok = checkCallingPermission(String16(permissionString)); 54 if (!ok) ALOGE("Request requires %s", permissionString); 55 return ok; 56} 57 58status_t MediaRecorderClient::setInputSurface(const sp<IGraphicBufferConsumer>& surface) 59{ 60 ALOGV("setInputSurface"); 61 Mutex::Autolock lock(mLock); 62 if (mRecorder == NULL) { 63 ALOGE("recorder is not initialized"); 64 return NO_INIT; 65 } 66 return mRecorder->setInputSurface(surface); 67} 68 69sp<IGraphicBufferProducer> MediaRecorderClient::querySurfaceMediaSource() 70{ 71 ALOGV("Query SurfaceMediaSource"); 72 Mutex::Autolock lock(mLock); 73 if (mRecorder == NULL) { 74 ALOGE("recorder is not initialized"); 75 return NULL; 76 } 77 return mRecorder->querySurfaceMediaSource(); 78} 79 80 81 82status_t MediaRecorderClient::setCamera(const sp<ICamera>& camera, 83 const sp<ICameraRecordingProxy>& proxy) 84{ 85 ALOGV("setCamera"); 86 Mutex::Autolock lock(mLock); 87 if (mRecorder == NULL) { 88 ALOGE("recorder is not initialized"); 89 return NO_INIT; 90 } 91 return mRecorder->setCamera(camera, proxy); 92} 93 94status_t MediaRecorderClient::setPreviewSurface(const sp<IGraphicBufferProducer>& surface) 95{ 96 ALOGV("setPreviewSurface"); 97 Mutex::Autolock lock(mLock); 98 if (mRecorder == NULL) { 99 ALOGE("recorder is not initialized"); 100 return NO_INIT; 101 } 102 return mRecorder->setPreviewSurface(surface); 103} 104 105status_t MediaRecorderClient::setVideoSource(int vs) 106{ 107 ALOGV("setVideoSource(%d)", vs); 108 // Check camera permission for sources other than SURFACE 109 if (vs != VIDEO_SOURCE_SURFACE && !checkPermission(cameraPermission)) { 110 return PERMISSION_DENIED; 111 } 112 Mutex::Autolock lock(mLock); 113 if (mRecorder == NULL) { 114 ALOGE("recorder is not initialized"); 115 return NO_INIT; 116 } 117 return mRecorder->setVideoSource((video_source)vs); 118} 119 120status_t MediaRecorderClient::setAudioSource(int as) 121{ 122 ALOGV("setAudioSource(%d)", as); 123 if (!checkPermission(recordAudioPermission)) { 124 return PERMISSION_DENIED; 125 } 126 Mutex::Autolock lock(mLock); 127 if (mRecorder == NULL) { 128 ALOGE("recorder is not initialized"); 129 return NO_INIT; 130 } 131 return mRecorder->setAudioSource((audio_source_t)as); 132} 133 134status_t MediaRecorderClient::setOutputFormat(int of) 135{ 136 ALOGV("setOutputFormat(%d)", of); 137 Mutex::Autolock lock(mLock); 138 if (mRecorder == NULL) { 139 ALOGE("recorder is not initialized"); 140 return NO_INIT; 141 } 142 return mRecorder->setOutputFormat((output_format)of); 143} 144 145status_t MediaRecorderClient::setVideoEncoder(int ve) 146{ 147 ALOGV("setVideoEncoder(%d)", ve); 148 Mutex::Autolock lock(mLock); 149 if (mRecorder == NULL) { 150 ALOGE("recorder is not initialized"); 151 return NO_INIT; 152 } 153 return mRecorder->setVideoEncoder((video_encoder)ve); 154} 155 156status_t MediaRecorderClient::setAudioEncoder(int ae) 157{ 158 ALOGV("setAudioEncoder(%d)", ae); 159 Mutex::Autolock lock(mLock); 160 if (mRecorder == NULL) { 161 ALOGE("recorder is not initialized"); 162 return NO_INIT; 163 } 164 return mRecorder->setAudioEncoder((audio_encoder)ae); 165} 166 167status_t MediaRecorderClient::setOutputFile(int fd, int64_t offset, int64_t length) 168{ 169 ALOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length); 170 Mutex::Autolock lock(mLock); 171 if (mRecorder == NULL) { 172 ALOGE("recorder is not initialized"); 173 return NO_INIT; 174 } 175 return mRecorder->setOutputFile(fd, offset, length); 176} 177 178status_t MediaRecorderClient::setVideoSize(int width, int height) 179{ 180 ALOGV("setVideoSize(%dx%d)", width, height); 181 Mutex::Autolock lock(mLock); 182 if (mRecorder == NULL) { 183 ALOGE("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 ALOGV("setVideoFrameRate(%d)", frames_per_second); 192 Mutex::Autolock lock(mLock); 193 if (mRecorder == NULL) { 194 ALOGE("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 ALOGV("setParameters(%s)", params.string()); 202 Mutex::Autolock lock(mLock); 203 if (mRecorder == NULL) { 204 ALOGE("recorder is not initialized"); 205 return NO_INIT; 206 } 207 return mRecorder->setParameters(params); 208} 209 210status_t MediaRecorderClient::prepare() 211{ 212 ALOGV("prepare"); 213 Mutex::Autolock lock(mLock); 214 if (mRecorder == NULL) { 215 ALOGE("recorder is not initialized"); 216 return NO_INIT; 217 } 218 return mRecorder->prepare(); 219} 220 221 222status_t MediaRecorderClient::getMaxAmplitude(int* max) 223{ 224 ALOGV("getMaxAmplitude"); 225 Mutex::Autolock lock(mLock); 226 if (mRecorder == NULL) { 227 ALOGE("recorder is not initialized"); 228 return NO_INIT; 229 } 230 return mRecorder->getMaxAmplitude(max); 231} 232 233status_t MediaRecorderClient::start() 234{ 235 ALOGV("start"); 236 Mutex::Autolock lock(mLock); 237 if (mRecorder == NULL) { 238 ALOGE("recorder is not initialized"); 239 return NO_INIT; 240 } 241 return mRecorder->start(); 242 243} 244 245status_t MediaRecorderClient::stop() 246{ 247 ALOGV("stop"); 248 Mutex::Autolock lock(mLock); 249 if (mRecorder == NULL) { 250 ALOGE("recorder is not initialized"); 251 return NO_INIT; 252 } 253 return mRecorder->stop(); 254} 255 256status_t MediaRecorderClient::init() 257{ 258 ALOGV("init"); 259 Mutex::Autolock lock(mLock); 260 if (mRecorder == NULL) { 261 ALOGE("recorder is not initialized"); 262 return NO_INIT; 263 } 264 return mRecorder->init(); 265} 266 267status_t MediaRecorderClient::close() 268{ 269 ALOGV("close"); 270 Mutex::Autolock lock(mLock); 271 if (mRecorder == NULL) { 272 ALOGE("recorder is not initialized"); 273 return NO_INIT; 274 } 275 return mRecorder->close(); 276} 277 278 279status_t MediaRecorderClient::reset() 280{ 281 ALOGV("reset"); 282 Mutex::Autolock lock(mLock); 283 if (mRecorder == NULL) { 284 ALOGE("recorder is not initialized"); 285 return NO_INIT; 286 } 287 return mRecorder->reset(); 288} 289 290status_t MediaRecorderClient::release() 291{ 292 ALOGV("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 const String16& opPackageName) 305{ 306 ALOGV("Client constructor"); 307 mPid = pid; 308 mRecorder = new StagefrightRecorder(opPackageName); 309 mMediaPlayerService = service; 310} 311 312MediaRecorderClient::~MediaRecorderClient() 313{ 314 ALOGV("Client destructor"); 315 release(); 316} 317 318status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener) 319{ 320 ALOGV("setListener"); 321 Mutex::Autolock lock(mLock); 322 if (mRecorder == NULL) { 323 ALOGE("recorder is not initialized"); 324 return NO_INIT; 325 } 326 return mRecorder->setListener(listener); 327} 328 329status_t MediaRecorderClient::setClientName(const String16& clientName) { 330 ALOGV("setClientName(%s)", String8(clientName).string()); 331 Mutex::Autolock lock(mLock); 332 if (mRecorder == NULL) { 333 ALOGE("recorder is not initialized"); 334 return NO_INIT; 335 } 336 return mRecorder->setClientName(clientName); 337} 338 339status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) { 340 if (mRecorder != NULL) { 341 return mRecorder->dump(fd, args); 342 } 343 return OK; 344} 345 346}; // namespace android 347