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