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
43 namespace android {
44
45 const char* cameraPermission = "android.permission.CAMERA";
46 const char* recordAudioPermission = "android.permission.RECORD_AUDIO";
47
checkPermission(const char * permissionString)48 static 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
58
querySurfaceMediaSource()59 sp<IGraphicBufferProducer> MediaRecorderClient::querySurfaceMediaSource()
60 {
61 ALOGV("Query SurfaceMediaSource");
62 Mutex::Autolock lock(mLock);
63 if (mRecorder == NULL) {
64 ALOGE("recorder is not initialized");
65 return NULL;
66 }
67 return mRecorder->querySurfaceMediaSource();
68 }
69
70
71
setCamera(const sp<ICamera> & camera,const sp<ICameraRecordingProxy> & proxy)72 status_t MediaRecorderClient::setCamera(const sp<ICamera>& camera,
73 const sp<ICameraRecordingProxy>& proxy)
74 {
75 ALOGV("setCamera");
76 Mutex::Autolock lock(mLock);
77 if (mRecorder == NULL) {
78 ALOGE("recorder is not initialized");
79 return NO_INIT;
80 }
81 return mRecorder->setCamera(camera, proxy);
82 }
83
setPreviewSurface(const sp<IGraphicBufferProducer> & surface)84 status_t MediaRecorderClient::setPreviewSurface(const sp<IGraphicBufferProducer>& surface)
85 {
86 ALOGV("setPreviewSurface");
87 Mutex::Autolock lock(mLock);
88 if (mRecorder == NULL) {
89 ALOGE("recorder is not initialized");
90 return NO_INIT;
91 }
92 return mRecorder->setPreviewSurface(surface);
93 }
94
setVideoSource(int vs)95 status_t MediaRecorderClient::setVideoSource(int vs)
96 {
97 ALOGV("setVideoSource(%d)", vs);
98 if (!checkPermission(cameraPermission)) {
99 return PERMISSION_DENIED;
100 }
101 Mutex::Autolock lock(mLock);
102 if (mRecorder == NULL) {
103 ALOGE("recorder is not initialized");
104 return NO_INIT;
105 }
106 return mRecorder->setVideoSource((video_source)vs);
107 }
108
setAudioSource(int as)109 status_t MediaRecorderClient::setAudioSource(int as)
110 {
111 ALOGV("setAudioSource(%d)", as);
112 if (!checkPermission(recordAudioPermission)) {
113 return PERMISSION_DENIED;
114 }
115 Mutex::Autolock lock(mLock);
116 if (mRecorder == NULL) {
117 ALOGE("recorder is not initialized");
118 return NO_INIT;
119 }
120 return mRecorder->setAudioSource((audio_source_t)as);
121 }
122
setOutputFormat(int of)123 status_t MediaRecorderClient::setOutputFormat(int of)
124 {
125 ALOGV("setOutputFormat(%d)", of);
126 Mutex::Autolock lock(mLock);
127 if (mRecorder == NULL) {
128 ALOGE("recorder is not initialized");
129 return NO_INIT;
130 }
131 return mRecorder->setOutputFormat((output_format)of);
132 }
133
setVideoEncoder(int ve)134 status_t MediaRecorderClient::setVideoEncoder(int ve)
135 {
136 ALOGV("setVideoEncoder(%d)", ve);
137 Mutex::Autolock lock(mLock);
138 if (mRecorder == NULL) {
139 ALOGE("recorder is not initialized");
140 return NO_INIT;
141 }
142 return mRecorder->setVideoEncoder((video_encoder)ve);
143 }
144
setAudioEncoder(int ae)145 status_t MediaRecorderClient::setAudioEncoder(int ae)
146 {
147 ALOGV("setAudioEncoder(%d)", ae);
148 Mutex::Autolock lock(mLock);
149 if (mRecorder == NULL) {
150 ALOGE("recorder is not initialized");
151 return NO_INIT;
152 }
153 return mRecorder->setAudioEncoder((audio_encoder)ae);
154 }
155
setOutputFile(const char * path)156 status_t MediaRecorderClient::setOutputFile(const char* path)
157 {
158 ALOGV("setOutputFile(%s)", path);
159 Mutex::Autolock lock(mLock);
160 if (mRecorder == NULL) {
161 ALOGE("recorder is not initialized");
162 return NO_INIT;
163 }
164 return mRecorder->setOutputFile(path);
165 }
166
setOutputFile(int fd,int64_t offset,int64_t length)167 status_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
setVideoSize(int width,int height)178 status_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
setVideoFrameRate(int frames_per_second)189 status_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
setParameters(const String8 & params)200 status_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
prepare()210 status_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
getMaxAmplitude(int * max)222 status_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
start()233 status_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
stop()245 status_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
init()256 status_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
close()267 status_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
reset()279 status_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
release()290 status_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
MediaRecorderClient(const sp<MediaPlayerService> & service,pid_t pid)303 MediaRecorderClient::MediaRecorderClient(const sp<MediaPlayerService>& service, pid_t pid)
304 {
305 ALOGV("Client constructor");
306 mPid = pid;
307 mRecorder = new StagefrightRecorder;
308 mMediaPlayerService = service;
309 }
310
~MediaRecorderClient()311 MediaRecorderClient::~MediaRecorderClient()
312 {
313 ALOGV("Client destructor");
314 release();
315 }
316
setListener(const sp<IMediaRecorderClient> & listener)317 status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener)
318 {
319 ALOGV("setListener");
320 Mutex::Autolock lock(mLock);
321 if (mRecorder == NULL) {
322 ALOGE("recorder is not initialized");
323 return NO_INIT;
324 }
325 return mRecorder->setListener(listener);
326 }
327
setClientName(const String16 & clientName)328 status_t MediaRecorderClient::setClientName(const String16& clientName) {
329 ALOGV("setClientName(%s)", String8(clientName).string());
330 Mutex::Autolock lock(mLock);
331 if (mRecorder == NULL) {
332 ALOGE("recorder is not initialized");
333 return NO_INIT;
334 }
335 return mRecorder->setClientName(clientName);
336 }
337
dump(int fd,const Vector<String16> & args) const338 status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) const {
339 if (mRecorder != NULL) {
340 return mRecorder->dump(fd, args);
341 }
342 return OK;
343 }
344
345 }; // namespace android
346