summaryrefslogtreecommitdiffstats
path: root/media/libmedia/IMediaRecorder.cpp
blob: a710fd77ba5c941a388915aaf8181f3632bc529d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
/*
 **
 ** Copyright 2008, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 */

//#define LOG_NDEBUG 0
#define LOG_TAG "IMediaRecorder"
#include <utils/Log.h>
#include <binder/Parcel.h>
#include <camera/ICamera.h>
#include <media/IMediaRecorderClient.h>
#include <media/IMediaRecorder.h>
#include <gui/Surface.h>
#include <gui/ISurfaceTexture.h>
#include <unistd.h>


namespace android {

enum {
    RELEASE = IBinder::FIRST_CALL_TRANSACTION,
    INIT,
    CLOSE,
    QUERY_SURFACE_MEDIASOURCE,
    RESET,
    STOP,
    START,
    PREPARE,
    GET_MAX_AMPLITUDE,
    SET_VIDEO_SOURCE,
    SET_AUDIO_SOURCE,
    SET_OUTPUT_FORMAT,
    SET_VIDEO_ENCODER,
    SET_AUDIO_ENCODER,
    SET_OUTPUT_FILE_PATH,
    SET_OUTPUT_FILE_FD,
    SET_VIDEO_SIZE,
    SET_VIDEO_FRAMERATE,
    SET_PARAMETERS,
    SET_PREVIEW_SURFACE,
    SET_CAMERA,
    SET_LISTENER
};

class BpMediaRecorder: public BpInterface<IMediaRecorder>
{
public:
    BpMediaRecorder(const sp<IBinder>& impl)
    : BpInterface<IMediaRecorder>(impl)
    {
    }

    status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy)
    {
        ALOGV("setCamera(%p,%p)", camera.get(), proxy.get());
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeStrongBinder(camera->asBinder());
        data.writeStrongBinder(proxy->asBinder());
        remote()->transact(SET_CAMERA, data, &reply);
        return reply.readInt32();
    }

    sp<ISurfaceTexture> querySurfaceMediaSource()
    {
        ALOGV("Query SurfaceMediaSource");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(QUERY_SURFACE_MEDIASOURCE, data, &reply);
        int returnedNull = reply.readInt32();
        if (returnedNull) {
            return NULL;
        }
        return interface_cast<ISurfaceTexture>(reply.readStrongBinder());
    }

    status_t setPreviewSurface(const sp<Surface>& surface)
    {
        ALOGV("setPreviewSurface(%p)", surface.get());
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        Surface::writeToParcel(surface, &data);
        remote()->transact(SET_PREVIEW_SURFACE, data, &reply);
        return reply.readInt32();
    }

    status_t init()
    {
        ALOGV("init");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(INIT, data, &reply);
        return reply.readInt32();
    }

    status_t setVideoSource(int vs)
    {
        ALOGV("setVideoSource(%d)", vs);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(vs);
        remote()->transact(SET_VIDEO_SOURCE, data, &reply);
        return reply.readInt32();
    }

    status_t setAudioSource(int as)
    {
        ALOGV("setAudioSource(%d)", as);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(as);
        remote()->transact(SET_AUDIO_SOURCE, data, &reply);
        return reply.readInt32();
    }

    status_t setOutputFormat(int of)
    {
        ALOGV("setOutputFormat(%d)", of);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(of);
        remote()->transact(SET_OUTPUT_FORMAT, data, &reply);
        return reply.readInt32();
    }

    status_t setVideoEncoder(int ve)
    {
        ALOGV("setVideoEncoder(%d)", ve);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(ve);
        remote()->transact(SET_VIDEO_ENCODER, data, &reply);
        return reply.readInt32();
    }

    status_t setAudioEncoder(int ae)
    {
        ALOGV("setAudioEncoder(%d)", ae);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(ae);
        remote()->transact(SET_AUDIO_ENCODER, data, &reply);
        return reply.readInt32();
    }

    status_t setOutputFile(const char* path)
    {
        ALOGV("setOutputFile(%s)", path);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeCString(path);
        remote()->transact(SET_OUTPUT_FILE_PATH, data, &reply);
        return reply.readInt32();
    }

    status_t setOutputFile(int fd, int64_t offset, int64_t length) {
        ALOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeFileDescriptor(fd);
        data.writeInt64(offset);
        data.writeInt64(length);
        remote()->transact(SET_OUTPUT_FILE_FD, data, &reply);
        return reply.readInt32();
    }

    status_t setVideoSize(int width, int height)
    {
        ALOGV("setVideoSize(%dx%d)", width, height);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(width);
        data.writeInt32(height);
        remote()->transact(SET_VIDEO_SIZE, data, &reply);
        return reply.readInt32();
    }

    status_t setVideoFrameRate(int frames_per_second)
    {
        ALOGV("setVideoFrameRate(%d)", frames_per_second);
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeInt32(frames_per_second);
        remote()->transact(SET_VIDEO_FRAMERATE, data, &reply);
        return reply.readInt32();
    }

    status_t setParameters(const String8& params)
    {
        ALOGV("setParameter(%s)", params.string());
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeString8(params);
        remote()->transact(SET_PARAMETERS, data, &reply);
        return reply.readInt32();
    }

    status_t setListener(const sp<IMediaRecorderClient>& listener)
    {
        ALOGV("setListener(%p)", listener.get());
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        data.writeStrongBinder(listener->asBinder());
        remote()->transact(SET_LISTENER, data, &reply);
        return reply.readInt32();
    }

    status_t prepare()
    {
        ALOGV("prepare");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(PREPARE, data, &reply);
        return reply.readInt32();
    }

    status_t getMaxAmplitude(int* max)
    {
        ALOGV("getMaxAmplitude");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(GET_MAX_AMPLITUDE, data, &reply);
        *max = reply.readInt32();
        return reply.readInt32();
    }

    status_t start()
    {
        ALOGV("start");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(START, data, &reply);
        return reply.readInt32();
    }

    status_t stop()
    {
        ALOGV("stop");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(STOP, data, &reply);
        return reply.readInt32();
    }

    status_t reset()
    {
        ALOGV("reset");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(RESET, data, &reply);
        return reply.readInt32();
    }

    status_t close()
    {
        ALOGV("close");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(CLOSE, data, &reply);
        return reply.readInt32();
    }

    status_t release()
    {
        ALOGV("release");
        Parcel data, reply;
        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
        remote()->transact(RELEASE, data, &reply);
        return reply.readInt32();
    }
};

IMPLEMENT_META_INTERFACE(MediaRecorder, "android.media.IMediaRecorder");

// ----------------------------------------------------------------------

status_t BnMediaRecorder::onTransact(
                                     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case RELEASE: {
            ALOGV("RELEASE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(release());
            return NO_ERROR;
        } break;
        case INIT: {
            ALOGV("INIT");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(init());
            return NO_ERROR;
        } break;
        case CLOSE: {
            ALOGV("CLOSE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(close());
            return NO_ERROR;
        } break;
        case RESET: {
            ALOGV("RESET");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(reset());
            return NO_ERROR;
        } break;
        case STOP: {
            ALOGV("STOP");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(stop());
            return NO_ERROR;
        } break;
        case START: {
            ALOGV("START");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(start());
            return NO_ERROR;
        } break;
        case PREPARE: {
            ALOGV("PREPARE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(prepare());
            return NO_ERROR;
        } break;
        case GET_MAX_AMPLITUDE: {
            ALOGV("GET_MAX_AMPLITUDE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int max = 0;
            status_t ret = getMaxAmplitude(&max);
            reply->writeInt32(max);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case SET_VIDEO_SOURCE: {
            ALOGV("SET_VIDEO_SOURCE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int vs = data.readInt32();
            reply->writeInt32(setVideoSource(vs));
            return NO_ERROR;
        } break;
        case SET_AUDIO_SOURCE: {
            ALOGV("SET_AUDIO_SOURCE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int as = data.readInt32();
            reply->writeInt32(setAudioSource(as));
            return NO_ERROR;
        } break;
        case SET_OUTPUT_FORMAT: {
            ALOGV("SET_OUTPUT_FORMAT");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int of = data.readInt32();
            reply->writeInt32(setOutputFormat(of));
            return NO_ERROR;
        } break;
        case SET_VIDEO_ENCODER: {
            ALOGV("SET_VIDEO_ENCODER");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int ve = data.readInt32();
            reply->writeInt32(setVideoEncoder(ve));
            return NO_ERROR;
        } break;
        case SET_AUDIO_ENCODER: {
            ALOGV("SET_AUDIO_ENCODER");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int ae = data.readInt32();
            reply->writeInt32(setAudioEncoder(ae));
            return NO_ERROR;

        } break;
        case SET_OUTPUT_FILE_PATH: {
            ALOGV("SET_OUTPUT_FILE_PATH");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            const char* path = data.readCString();
            reply->writeInt32(setOutputFile(path));
            return NO_ERROR;
        } break;
        case SET_OUTPUT_FILE_FD: {
            ALOGV("SET_OUTPUT_FILE_FD");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int fd = dup(data.readFileDescriptor());
            int64_t offset = data.readInt64();
            int64_t length = data.readInt64();
            reply->writeInt32(setOutputFile(fd, offset, length));
            ::close(fd);
            return NO_ERROR;
        } break;
        case SET_VIDEO_SIZE: {
            ALOGV("SET_VIDEO_SIZE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int width = data.readInt32();
            int height = data.readInt32();
            reply->writeInt32(setVideoSize(width, height));
            return NO_ERROR;
        } break;
        case SET_VIDEO_FRAMERATE: {
            ALOGV("SET_VIDEO_FRAMERATE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            int frames_per_second = data.readInt32();
            reply->writeInt32(setVideoFrameRate(frames_per_second));
            return NO_ERROR;
        } break;
        case SET_PARAMETERS: {
            ALOGV("SET_PARAMETER");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            reply->writeInt32(setParameters(data.readString8()));
            return NO_ERROR;
        } break;
        case SET_LISTENER: {
            ALOGV("SET_LISTENER");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            sp<IMediaRecorderClient> listener =
                interface_cast<IMediaRecorderClient>(data.readStrongBinder());
            reply->writeInt32(setListener(listener));
            return NO_ERROR;
        } break;
        case SET_PREVIEW_SURFACE: {
            ALOGV("SET_PREVIEW_SURFACE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            sp<Surface> surface = Surface::readFromParcel(data);
            reply->writeInt32(setPreviewSurface(surface));
            return NO_ERROR;
        } break;
        case SET_CAMERA: {
            ALOGV("SET_CAMERA");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            sp<ICamera> camera = interface_cast<ICamera>(data.readStrongBinder());
            sp<ICameraRecordingProxy> proxy =
                interface_cast<ICameraRecordingProxy>(data.readStrongBinder());
            reply->writeInt32(setCamera(camera, proxy));
            return NO_ERROR;
        } break;
        case QUERY_SURFACE_MEDIASOURCE: {
            ALOGV("QUERY_SURFACE_MEDIASOURCE");
            CHECK_INTERFACE(IMediaRecorder, data, reply);
            // call the mediaserver side to create
            // a surfacemediasource
            sp<ISurfaceTexture> surfaceMediaSource = querySurfaceMediaSource();
            // The mediaserver might have failed to create a source
            int returnedNull= (surfaceMediaSource == NULL) ? 1 : 0 ;
            reply->writeInt32(returnedNull);
            if (!returnedNull) {
                reply->writeStrongBinder(surfaceMediaSource->asBinder());
            }
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

// ----------------------------------------------------------------------------

}; // namespace android