MediaRecorderClient.cpp revision 30d713a1c18a5ff892a7f13b2524ba624b70890a 
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 "MediaRecorderClient.h"
39#include "MediaPlayerService.h"
40
41#include "StagefrightRecorder.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) LOGE("Request requires %s", permissionString);
55    return ok;
56}
57
58status_t MediaRecorderClient::setCamera(const sp<ICamera>& camera)
59{
60    LOGV("setCamera");
61    Mutex::Autolock lock(mLock);
62    if (mRecorder == NULL) {
63        LOGE("recorder is not initialized");
64        return NO_INIT;
65    }
66    return mRecorder->setCamera(camera);
67}
68
69status_t MediaRecorderClient::setPreviewSurface(const sp<Surface>& surface)
70{
71    LOGV("setPreviewSurface");
72    Mutex::Autolock lock(mLock);
73    if (mRecorder == NULL) {
74        LOGE("recorder is not initialized");
75        return NO_INIT;
76    }
77    return mRecorder->setPreviewSurface(surface);
78}
79
80status_t MediaRecorderClient::setVideoSource(int vs)
81{
82    LOGV("setVideoSource(%d)", vs);
83    if (!checkPermission(cameraPermission)) {
84        return PERMISSION_DENIED;
85    }
86    Mutex::Autolock lock(mLock);
87    if (mRecorder == NULL)	{
88        LOGE("recorder is not initialized");
89        return NO_INIT;
90    }
91    return mRecorder->setVideoSource((video_source)vs);
92}
93
94status_t MediaRecorderClient::setAudioSource(int as)
95{
96    LOGV("setAudioSource(%d)", as);
97    if (!checkPermission(recordAudioPermission)) {
98        return PERMISSION_DENIED;
99    }
100    Mutex::Autolock lock(mLock);
101    if (mRecorder == NULL)  {
102        LOGE("recorder is not initialized");
103        return NO_INIT;
104    }
105    return mRecorder->setAudioSource((audio_source)as);
106}
107
108status_t MediaRecorderClient::setOutputFormat(int of)
109{
110    LOGV("setOutputFormat(%d)", of);
111    Mutex::Autolock lock(mLock);
112    if (mRecorder == NULL) {
113        LOGE("recorder is not initialized");
114        return NO_INIT;
115    }
116    return mRecorder->setOutputFormat((output_format)of);
117}
118
119status_t MediaRecorderClient::setVideoEncoder(int ve)
120{
121    LOGV("setVideoEncoder(%d)", ve);
122    Mutex::Autolock lock(mLock);
123    if (mRecorder == NULL) {
124        LOGE("recorder is not initialized");
125        return NO_INIT;
126    }
127    return mRecorder->setVideoEncoder((video_encoder)ve);
128}
129
130status_t MediaRecorderClient::setAudioEncoder(int ae)
131{
132    LOGV("setAudioEncoder(%d)", ae);
133    Mutex::Autolock lock(mLock);
134    if (mRecorder == NULL) {
135        LOGE("recorder is not initialized");
136        return NO_INIT;
137    }
138    return mRecorder->setAudioEncoder((audio_encoder)ae);
139}
140
141status_t MediaRecorderClient::setOutputFile(const char* path)
142{
143    LOGV("setOutputFile(%s)", path);
144    Mutex::Autolock lock(mLock);
145    if (mRecorder == NULL) {
146        LOGE("recorder is not initialized");
147        return NO_INIT;
148    }
149    return mRecorder->setOutputFile(path);
150}
151
152status_t MediaRecorderClient::setOutputFile(int fd, int64_t offset, int64_t length)
153{
154    LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
155    Mutex::Autolock lock(mLock);
156    if (mRecorder == NULL) {
157        LOGE("recorder is not initialized");
158        return NO_INIT;
159    }
160    return mRecorder->setOutputFile(fd, offset, length);
161}
162
163status_t MediaRecorderClient::setOutputFileAuxiliary(int fd)
164{
165    LOGV("setOutputFileAuxiliary(%d)", fd);
166    Mutex::Autolock lock(mLock);
167    if (mRecorder == NULL) {
168        LOGE("recorder is not initialized");
169        return NO_INIT;
170    }
171    return mRecorder->setOutputFileAuxiliary(fd);
172}
173
174status_t MediaRecorderClient::setVideoSize(int width, int height)
175{
176    LOGV("setVideoSize(%dx%d)", width, height);
177    Mutex::Autolock lock(mLock);
178    if (mRecorder == NULL) {
179        LOGE("recorder is not initialized");
180        return NO_INIT;
181    }
182    return mRecorder->setVideoSize(width, height);
183}
184
185status_t MediaRecorderClient::setVideoFrameRate(int frames_per_second)
186{
187    LOGV("setVideoFrameRate(%d)", frames_per_second);
188    Mutex::Autolock lock(mLock);
189    if (mRecorder == NULL) {
190        LOGE("recorder is not initialized");
191        return NO_INIT;
192    }
193    return mRecorder->setVideoFrameRate(frames_per_second);
194}
195
196status_t MediaRecorderClient::setParameters(const String8& params) {
197    LOGV("setParameters(%s)", params.string());
198    Mutex::Autolock lock(mLock);
199    if (mRecorder == NULL) {
200        LOGE("recorder is not initialized");
201        return NO_INIT;
202    }
203    return mRecorder->setParameters(params);
204}
205
206status_t MediaRecorderClient::prepare()
207{
208    LOGV("prepare");
209    Mutex::Autolock lock(mLock);
210    if (mRecorder == NULL) {
211        LOGE("recorder is not initialized");
212        return NO_INIT;
213    }
214    return mRecorder->prepare();
215}
216
217
218status_t MediaRecorderClient::getMaxAmplitude(int* max)
219{
220    LOGV("getMaxAmplitude");
221    Mutex::Autolock lock(mLock);
222    if (mRecorder == NULL) {
223        LOGE("recorder is not initialized");
224        return NO_INIT;
225    }
226    return mRecorder->getMaxAmplitude(max);
227}
228
229status_t MediaRecorderClient::start()
230{
231    LOGV("start");
232    Mutex::Autolock lock(mLock);
233    if (mRecorder == NULL) {
234        LOGE("recorder is not initialized");
235        return NO_INIT;
236    }
237    return mRecorder->start();
238
239}
240
241status_t MediaRecorderClient::stop()
242{
243    LOGV("stop");
244    Mutex::Autolock lock(mLock);
245    if (mRecorder == NULL) {
246        LOGE("recorder is not initialized");
247        return NO_INIT;
248    }
249    return mRecorder->stop();
250}
251
252status_t MediaRecorderClient::init()
253{
254    LOGV("init");
255    Mutex::Autolock lock(mLock);
256    if (mRecorder == NULL) {
257        LOGE("recorder is not initialized");
258        return NO_INIT;
259    }
260    return mRecorder->init();
261}
262
263status_t MediaRecorderClient::close()
264{
265    LOGV("close");
266    Mutex::Autolock lock(mLock);
267    if (mRecorder == NULL) {
268        LOGE("recorder is not initialized");
269        return NO_INIT;
270    }
271    return mRecorder->close();
272}
273
274
275status_t MediaRecorderClient::reset()
276{
277    LOGV("reset");
278    Mutex::Autolock lock(mLock);
279    if (mRecorder == NULL) {
280        LOGE("recorder is not initialized");
281        return NO_INIT;
282    }
283    return mRecorder->reset();
284}
285
286status_t MediaRecorderClient::release()
287{
288    LOGV("release");
289    Mutex::Autolock lock(mLock);
290    if (mRecorder != NULL) {
291        delete mRecorder;
292        mRecorder = NULL;
293        wp<MediaRecorderClient> client(this);
294        mMediaPlayerService->removeMediaRecorderClient(client);
295    }
296    return NO_ERROR;
297}
298
299MediaRecorderClient::MediaRecorderClient(const sp<MediaPlayerService>& service, pid_t pid)
300{
301    LOGV("Client constructor");
302    mPid = pid;
303    mRecorder = new StagefrightRecorder;
304    mMediaPlayerService = service;
305}
306
307MediaRecorderClient::~MediaRecorderClient()
308{
309    LOGV("Client destructor");
310    release();
311}
312
313status_t MediaRecorderClient::setListener(const sp<IMediaRecorderClient>& listener)
314{
315    LOGV("setListener");
316    Mutex::Autolock lock(mLock);
317    if (mRecorder == NULL) {
318        LOGE("recorder is not initialized");
319        return NO_INIT;
320    }
321    return mRecorder->setListener(listener);
322}
323
324status_t MediaRecorderClient::dump(int fd, const Vector<String16>& args) const {
325    if (mRecorder != NULL) {
326        return mRecorder->dump(fd, args);
327    }
328    return OK;
329}
330
331}; // namespace android
332