MediaRecorderClient.cpp revision be71aa29a3c86d2e01cd17839d2a72ab09a1bce5 
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
58
59sp<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
72status_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
84status_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
95status_t MediaRecorderClient::setVideoSource(int vs)
96{
97    ALOGV("setVideoSource(%d)", vs);
98    // Check camera permission for sources other than SURFACE
99    if (vs != VIDEO_SOURCE_SURFACE && !checkPermission(cameraPermission)) {
100        return PERMISSION_DENIED;
101    }
102    Mutex::Autolock lock(mLock);
103    if (mRecorder == NULL)     {
104        ALOGE("recorder is not initialized");
105        return NO_INIT;
106    }
107    return mRecorder->setVideoSource((video_source)vs);
108}
109
110status_t MediaRecorderClient::setAudioSource(int as)
111{
112    ALOGV("setAudioSource(%d)", as);
113    if (!checkPermission(recordAudioPermission)) {
114        return PERMISSION_DENIED;
115    }
116    Mutex::Autolock lock(mLock);
117    if (mRecorder == NULL)  {
118        ALOGE("recorder is not initialized");
119        return NO_INIT;
120    }
121    return mRecorder->setAudioSource((audio_source_t)as);
122}
123
124status_t MediaRecorderClient::setOutputFormat(int of)
125{
126    ALOGV("setOutputFormat(%d)", of);
127    Mutex::Autolock lock(mLock);
128    if (mRecorder == NULL) {
129        ALOGE("recorder is not initialized");
130        return NO_INIT;
131    }
132    return mRecorder->setOutputFormat((output_format)of);
133}
134
135status_t MediaRecorderClient::setVideoEncoder(int ve)
136{
137    ALOGV("setVideoEncoder(%d)", ve);
138    Mutex::Autolock lock(mLock);
139    if (mRecorder == NULL) {
140        ALOGE("recorder is not initialized");
141        return NO_INIT;
142    }
143    return mRecorder->setVideoEncoder((video_encoder)ve);
144}
145
146status_t MediaRecorderClient::setAudioEncoder(int ae)
147{
148    ALOGV("setAudioEncoder(%d)", ae);
149    Mutex::Autolock lock(mLock);
150    if (mRecorder == NULL) {
151        ALOGE("recorder is not initialized");
152        return NO_INIT;
153    }
154    return mRecorder->setAudioEncoder((audio_encoder)ae);
155}
156
157status_t MediaRecorderClient::setOutputFile(int fd, int64_t offset, int64_t length)
158{
159    ALOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
160    Mutex::Autolock lock(mLock);
161    if (mRecorder == NULL) {
162        ALOGE("recorder is not initialized");
163        return NO_INIT;
164    }
165    return mRecorder->setOutputFile(fd, offset, length);
166}
167
168status_t MediaRecorderClient::setVideoSize(int width, int height)
169{
170    ALOGV("setVideoSize(%dx%d)", width, height);
171    Mutex::Autolock lock(mLock);
172    if (mRecorder == NULL) {
173        ALOGE("recorder is not initialized");
174        return NO_INIT;
175    }
176    return mRecorder->setVideoSize(width, height);
177}
178
179status_t MediaRecorderClient::setVideoFrameRate(int frames_per_second)
180{
181    ALOGV("setVideoFrameRate(%d)", frames_per_second);
182    Mutex::Autolock lock(mLock);
183    if (mRecorder == NULL) {
184        ALOGE("recorder is not initialized");
185        return NO_INIT;
186    }
187    return mRecorder->setVideoFrameRate(frames_per_second);
188}
189
190status_t MediaRecorderClient::setParameters(const String8& params) {
191    ALOGV("setParameters(%s)", params.string());
192    Mutex::Autolock lock(mLock);
193    if (mRecorder == NULL) {
194        ALOGE("recorder is not initialized");
195        return NO_INIT;
196    }
197    return mRecorder->setParameters(params);
198}
199
200status_t MediaRecorderClient::prepare()
201{
202    ALOGV("prepare");
203    Mutex::Autolock lock(mLock);
204    if (mRecorder == NULL) {
205        ALOGE("recorder is not initialized");
206        return NO_INIT;
207    }
208    return mRecorder->prepare();
209}
210
211
212status_t MediaRecorderClient::getMaxAmplitude(int* max)
213{
214    ALOGV("getMaxAmplitude");
215    Mutex::Autolock lock(mLock);
216    if (mRecorder == NULL) {
217        ALOGE("recorder is not initialized");
218        return NO_INIT;
219    }
220    return mRecorder->getMaxAmplitude(max);
221}
222
223status_t MediaRecorderClient::start()
224{
225    ALOGV("start");
226    Mutex::Autolock lock(mLock);
227    if (mRecorder == NULL) {
228        ALOGE("recorder is not initialized");
229        return NO_INIT;
230    }
231    return mRecorder->start();
232
233}
234
235status_t MediaRecorderClient::stop()
236{
237    ALOGV("stop");
238    Mutex::Autolock lock(mLock);
239    if (mRecorder == NULL) {
240        ALOGE("recorder is not initialized");
241        return NO_INIT;
242    }
243    return mRecorder->stop();
244}
245
246status_t MediaRecorderClient::init()
247{
248    ALOGV("init");
249    Mutex::Autolock lock(mLock);
250    if (mRecorder == NULL) {
251        ALOGE("recorder is not initialized");
252        return NO_INIT;
253    }
254    return mRecorder->init();
255}
256
257status_t MediaRecorderClient::close()
258{
259    ALOGV("close");
260    Mutex::Autolock lock(mLock);
261    if (mRecorder == NULL) {
262        ALOGE("recorder is not initialized");
263        return NO_INIT;
264    }
265    return mRecorder->close();
266}
267
268
269status_t MediaRecorderClient::reset()
270{
271    ALOGV("reset");
272    Mutex::Autolock lock(mLock);
273    if (mRecorder == NULL) {
274        ALOGE("recorder is not initialized");
275        return NO_INIT;
276    }
277    return mRecorder->reset();
278}
279
280status_t MediaRecorderClient::release()
281{
282    ALOGV("release");
283    Mutex::Autolock lock(mLock);
284    if (mRecorder != NULL) {
285        delete mRecorder;
286        mRecorder = NULL;
287        wp<MediaRecorderClient> client(this);
288        mMediaPlayerService->removeMediaRecorderClient(client);
289    }
290    return NO_ERROR;
291}
292
293MediaRecorderClient::MediaRecorderClient(const sp<MediaPlayerService>& service, pid_t pid,
294        const String16& opPackageName)
295{
296    ALOGV("Client constructor");
297    mPid = pid;
298    mRecorder = new StagefrightRecorder(opPackageName);
299    mMediaPlayerService = service;
300}
301
302MediaRecorderClient::~MediaRecorderClient()
303{
304    ALOGV("Client destructor");
305    release();
306}
307
308status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener)
309{
310    ALOGV("setListener");
311    Mutex::Autolock lock(mLock);
312    if (mRecorder == NULL) {
313        ALOGE("recorder is not initialized");
314        return NO_INIT;
315    }
316    return mRecorder->setListener(listener);
317}
318
319status_t MediaRecorderClient::setClientName(const String16& clientName) {
320    ALOGV("setClientName(%s)", String8(clientName).string());
321    Mutex::Autolock lock(mLock);
322    if (mRecorder == NULL) {
323        ALOGE("recorder is not initialized");
324        return NO_INIT;
325    }
326    return mRecorder->setClientName(clientName);
327}
328
329status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) {
330    if (mRecorder != NULL) {
331        return mRecorder->dump(fd, args);
332    }
333    return OK;
334}
335
336}; // namespace android
337