record.cpp revision f1d5aa162c02a16b7195a43a9bcea4d592600ac4 
1/*
2 * Copyright (C) 2009 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#include "SineSource.h"
18
19#include <binder/ProcessState.h>
20#include <media/stagefright/foundation/ADebug.h>
21#include <media/stagefright/AudioPlayer.h>
22#include <media/stagefright/CameraSource.h>
23#include <media/stagefright/FileSource.h>
24#include <media/stagefright/MediaBufferGroup.h>
25#include <media/stagefright/MediaDefs.h>
26#include <media/stagefright/MetaData.h>
27#include <media/stagefright/MediaExtractor.h>
28#include <media/stagefright/MPEG4Writer.h>
29#include <media/stagefright/OMXClient.h>
30#include <media/stagefright/OMXCodec.h>
31#include <media/MediaPlayerInterface.h>
32
33using namespace android;
34
35static const int32_t kFramerate = 24;  // fps
36static const int32_t kIFramesIntervalSec = 1;
37static const int32_t kVideoBitRate = 512 * 1024;
38static const int32_t kAudioBitRate = 12200;
39static const int64_t kDurationUs = 10000000LL;  // 10 seconds
40
41#if 0
42class DummySource : public MediaSource {
43
44public:
45    DummySource(int width, int height, int colorFormat)
46        : mWidth(width),
47          mHeight(height),
48          mColorFormat(colorFormat),
49          mSize((width * height * 3) / 2) {
50        mGroup.add_buffer(new MediaBuffer(mSize));
51
52        // Check the color format to make sure
53        // that the buffer size mSize it set correctly above.
54        CHECK(colorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
55              colorFormat == OMX_COLOR_FormatYUV420Planar);
56    }
57
58    virtual sp<MetaData> getFormat() {
59        sp<MetaData> meta = new MetaData;
60        meta->setInt32(kKeyWidth, mWidth);
61        meta->setInt32(kKeyHeight, mHeight);
62        meta->setInt32(kKeyColorFormat, mColorFormat);
63        meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
64
65        return meta;
66    }
67
68    virtual status_t start(MetaData *params) {
69        mNumFramesOutput = 0;
70        return OK;
71    }
72
73    virtual status_t stop() {
74        return OK;
75    }
76
77    virtual status_t read(
78            MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
79        if (mNumFramesOutput == kFramerate * 10) {
80            // Stop returning data after 10 secs.
81            return ERROR_END_OF_STREAM;
82        }
83
84        // printf("DummySource::read\n");
85        status_t err = mGroup.acquire_buffer(buffer);
86        if (err != OK) {
87            return err;
88        }
89
90        char x = (char)((double)rand() / RAND_MAX * 255);
91        memset((*buffer)->data(), x, mSize);
92        (*buffer)->set_range(0, mSize);
93        (*buffer)->meta_data()->clear();
94        (*buffer)->meta_data()->setInt64(
95                kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
96        ++mNumFramesOutput;
97
98        // printf("DummySource::read - returning buffer\n");
99        // ALOGI("DummySource::read - returning buffer");
100        return OK;
101    }
102
103protected:
104    virtual ~DummySource() {}
105
106private:
107    MediaBufferGroup mGroup;
108    int mWidth, mHeight;
109    int mColorFormat;
110    size_t mSize;
111    int64_t mNumFramesOutput;;
112
113    DummySource(const DummySource &);
114    DummySource &operator=(const DummySource &);
115};
116
117sp<MediaSource> createSource(const char *filename) {
118    sp<MediaSource> source;
119
120    sp<MediaExtractor> extractor =
121        MediaExtractor::Create(new FileSource(filename));
122    if (extractor == NULL) {
123        return NULL;
124    }
125
126    size_t num_tracks = extractor->countTracks();
127
128    sp<MetaData> meta;
129    for (size_t i = 0; i < num_tracks; ++i) {
130        meta = extractor->getTrackMetaData(i);
131        CHECK(meta.get() != NULL);
132
133        const char *mime;
134        if (!meta->findCString(kKeyMIMEType, &mime)) {
135            continue;
136        }
137
138        if (strncasecmp(mime, "video/", 6)) {
139            continue;
140        }
141
142        source = extractor->getTrack(i);
143        break;
144    }
145
146    return source;
147}
148
149enum {
150    kYUV420SP = 0,
151    kYUV420P  = 1,
152};
153
154// returns -1 if mapping of the given color is unsuccessful
155// returns an omx color enum value otherwise
156static int translateColorToOmxEnumValue(int color) {
157    switch (color) {
158        case kYUV420SP:
159            return OMX_COLOR_FormatYUV420SemiPlanar;
160        case kYUV420P:
161            return OMX_COLOR_FormatYUV420Planar;
162        default:
163            fprintf(stderr, "Unsupported color: %d\n", color);
164            return -1;
165    }
166}
167
168int main(int argc, char **argv) {
169    android::ProcessState::self()->startThreadPool();
170
171    DataSource::RegisterDefaultSniffers();
172
173#if 1
174    if (argc != 3) {
175        fprintf(stderr, "usage: %s <filename> <input_color_format>\n", argv[0]);
176        fprintf(stderr, "       <input_color_format>:  0 (YUV420SP) or 1 (YUV420P)\n");
177        return 1;
178    }
179
180    int colorFormat = translateColorToOmxEnumValue(atoi(argv[2]));
181    if (colorFormat == -1) {
182        fprintf(stderr, "input color format must be 0 (YUV420SP) or 1 (YUV420P)\n");
183        return 1;
184    }
185    OMXClient client;
186    CHECK_EQ(client.connect(), (status_t)OK);
187
188    status_t err = OK;
189
190#if 0
191    sp<MediaSource> source = createSource(argv[1]);
192
193    if (source == NULL) {
194        fprintf(stderr, "Unable to find a suitable video track.\n");
195        return 1;
196    }
197
198    sp<MetaData> meta = source->getFormat();
199
200    sp<MediaSource> decoder = OMXCodec::Create(
201            client.interface(), meta, false /* createEncoder */, source);
202
203    int width, height;
204    bool success = meta->findInt32(kKeyWidth, &width);
205    success = success && meta->findInt32(kKeyHeight, &height);
206    CHECK(success);
207#else
208    int width = 720;
209    int height = 480;
210    sp<MediaSource> decoder = new DummySource(width, height, colorFormat);
211#endif
212
213    sp<MetaData> enc_meta = new MetaData;
214    // enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
215    // enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
216    enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
217    enc_meta->setInt32(kKeyWidth, width);
218    enc_meta->setInt32(kKeyHeight, height);
219    enc_meta->setInt32(kKeySampleRate, kFramerate);
220    enc_meta->setInt32(kKeyBitRate, kVideoBitRate);
221    enc_meta->setInt32(kKeyStride, width);
222    enc_meta->setInt32(kKeySliceHeight, height);
223    enc_meta->setInt32(kKeyIFramesInterval, kIFramesIntervalSec);
224    enc_meta->setInt32(kKeyColorFormat, colorFormat);
225
226    sp<MediaSource> encoder =
227        OMXCodec::Create(
228                client.interface(), enc_meta, true /* createEncoder */, decoder);
229
230#if 1
231    sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
232    writer->addSource(encoder);
233    writer->setMaxFileDuration(kDurationUs);
234    CHECK_EQ((status_t)OK, writer->start());
235    while (!writer->reachedEOS()) {
236        fprintf(stderr, ".");
237        usleep(100000);
238    }
239    err = writer->stop();
240#else
241    CHECK_EQ((status_t)OK, encoder->start());
242
243    MediaBuffer *buffer;
244    while (encoder->read(&buffer) == OK) {
245        printf(".");
246        fflush(stdout);
247        int32_t isSync;
248        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
249            isSync = false;
250        }
251
252        printf("got an output frame of size %d%s\n", buffer->range_length(),
253               isSync ? " (SYNC)" : "");
254
255        buffer->release();
256        buffer = NULL;
257    }
258
259    err = encoder->stop();
260#endif
261
262    printf("$\n");
263    client.disconnect();
264#endif
265
266#if 0
267    CameraSource *source = CameraSource::Create();
268    source->start();
269
270    printf("source = %p\n", source);
271
272    for (int i = 0; i < 100; ++i) {
273        MediaBuffer *buffer;
274        status_t err = source->read(&buffer);
275        CHECK_EQ(err, (status_t)OK);
276
277        printf("got a frame, data=%p, size=%d\n",
278               buffer->data(), buffer->range_length());
279
280        buffer->release();
281        buffer = NULL;
282    }
283
284    err = source->stop();
285
286    delete source;
287    source = NULL;
288#endif
289
290    if (err != OK && err != ERROR_END_OF_STREAM) {
291        fprintf(stderr, "record failed: %d\n", err);
292        return 1;
293    }
294    return 0;
295}
296#else
297
298int main(int argc, char **argv) {
299    android::ProcessState::self()->startThreadPool();
300
301    OMXClient client;
302    CHECK_EQ(client.connect(), (status_t)OK);
303
304    const int32_t kSampleRate = 22050;
305    const int32_t kNumChannels = 2;
306    sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
307
308#if 0
309    sp<MediaPlayerBase::AudioSink> audioSink;
310    AudioPlayer *player = new AudioPlayer(audioSink);
311    player->setSource(audioSource);
312    player->start();
313
314    sleep(10);
315
316    player->stop();
317#endif
318
319    sp<MetaData> encMeta = new MetaData;
320    encMeta->setCString(kKeyMIMEType,
321            0 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
322    encMeta->setInt32(kKeySampleRate, kSampleRate);
323    encMeta->setInt32(kKeyChannelCount, kNumChannels);
324    encMeta->setInt32(kKeyMaxInputSize, 8192);
325    encMeta->setInt32(kKeyBitRate, kAudioBitRate);
326
327    sp<MediaSource> encoder =
328        OMXCodec::Create(client.interface(), encMeta, true, audioSource);
329
330    encoder->start();
331
332    int32_t n = 0;
333    status_t err;
334    MediaBuffer *buffer;
335    while ((err = encoder->read(&buffer)) == OK) {
336        printf(".");
337        fflush(stdout);
338
339        buffer->release();
340        buffer = NULL;
341
342        if (++n == 100) {
343            break;
344        }
345    }
346    printf("$\n");
347
348    encoder->stop();
349
350    client.disconnect();
351
352    return 0;
353}
354#endif
355