record.cpp revision 5fb00a6d1f32523aa254fea95a7bee646f4ae9ae 
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/foundation/ALooper.h>
22#include <media/stagefright/foundation/AMessage.h>
23#include <media/stagefright/AudioPlayer.h>
24#include <media/stagefright/CameraSource.h>
25#include <media/stagefright/FileSource.h>
26#include <media/stagefright/MediaBufferGroup.h>
27#include <media/stagefright/MediaDefs.h>
28#include <media/stagefright/MediaCodecSource.h>
29#include <media/stagefright/MetaData.h>
30#include <media/stagefright/MediaExtractor.h>
31#include <media/stagefright/MPEG4Writer.h>
32#include <media/stagefright/SimpleDecodingSource.h>
33#include <media/MediaPlayerInterface.h>
34
35using namespace android;
36
37static const int32_t kAudioBitRate = 12200;
38#if 0
39static const int32_t kFramerate = 24;  // fps
40static const int32_t kIFramesIntervalSec = 1;
41static const int32_t kVideoBitRate = 512 * 1024;
42static const int64_t kDurationUs = 10000000LL;  // 10 seconds
43
44class DummySource : public MediaSource {
45
46public:
47    DummySource(int width, int height, int colorFormat)
48        : mWidth(width),
49          mHeight(height),
50          mColorFormat(colorFormat),
51          mSize((width * height * 3) / 2) {
52        mGroup.add_buffer(new MediaBuffer(mSize));
53
54        // Check the color format to make sure
55        // that the buffer size mSize it set correctly above.
56        CHECK(colorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
57              colorFormat == OMX_COLOR_FormatYUV420Planar);
58    }
59
60    virtual sp<MetaData> getFormat() {
61        sp<MetaData> meta = new MetaData;
62        meta->setInt32(kKeyWidth, mWidth);
63        meta->setInt32(kKeyHeight, mHeight);
64        meta->setInt32(kKeyColorFormat, mColorFormat);
65        meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
66
67        return meta;
68    }
69
70    virtual status_t start(MetaData *params) {
71        mNumFramesOutput = 0;
72        return OK;
73    }
74
75    virtual status_t stop() {
76        return OK;
77    }
78
79    virtual status_t read(
80            MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
81        if (mNumFramesOutput == kFramerate * 10) {
82            // Stop returning data after 10 secs.
83            return ERROR_END_OF_STREAM;
84        }
85
86        // printf("DummySource::read\n");
87        status_t err = mGroup.acquire_buffer(buffer);
88        if (err != OK) {
89            return err;
90        }
91
92        char x = (char)((double)rand() / RAND_MAX * 255);
93        memset((*buffer)->data(), x, mSize);
94        (*buffer)->set_range(0, mSize);
95        (*buffer)->meta_data()->clear();
96        (*buffer)->meta_data()->setInt64(
97                kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
98        ++mNumFramesOutput;
99
100        // printf("DummySource::read - returning buffer\n");
101        // ALOGI("DummySource::read - returning buffer");
102        return OK;
103    }
104
105protected:
106    virtual ~DummySource() {}
107
108private:
109    MediaBufferGroup mGroup;
110    int mWidth, mHeight;
111    int mColorFormat;
112    size_t mSize;
113    int64_t mNumFramesOutput;;
114
115    DummySource(const DummySource &);
116    DummySource &operator=(const DummySource &);
117};
118
119sp<MediaSource> createSource(const char *filename) {
120    sp<MediaSource> source;
121
122    sp<MediaExtractor> extractor =
123        MediaExtractor::Create(new FileSource(filename));
124    if (extractor == NULL) {
125        return NULL;
126    }
127
128    size_t num_tracks = extractor->countTracks();
129
130    sp<MetaData> meta;
131    for (size_t i = 0; i < num_tracks; ++i) {
132        meta = extractor->getTrackMetaData(i);
133        CHECK(meta.get() != NULL);
134
135        const char *mime;
136        if (!meta->findCString(kKeyMIMEType, &mime)) {
137            continue;
138        }
139
140        if (strncasecmp(mime, "video/", 6)) {
141            continue;
142        }
143
144        source = extractor->getTrack(i);
145        break;
146    }
147
148    return source;
149}
150
151enum {
152    kYUV420SP = 0,
153    kYUV420P  = 1,
154};
155
156// returns -1 if mapping of the given color is unsuccessful
157// returns an omx color enum value otherwise
158static int translateColorToOmxEnumValue(int color) {
159    switch (color) {
160        case kYUV420SP:
161            return OMX_COLOR_FormatYUV420SemiPlanar;
162        case kYUV420P:
163            return OMX_COLOR_FormatYUV420Planar;
164        default:
165            fprintf(stderr, "Unsupported color: %d\n", color);
166            return -1;
167    }
168}
169
170int main(int argc, char **argv) {
171    android::ProcessState::self()->startThreadPool();
172
173    DataSource::RegisterDefaultSniffers();
174
175#if 1
176    if (argc != 3) {
177        fprintf(stderr, "usage: %s <filename> <input_color_format>\n", argv[0]);
178        fprintf(stderr, "       <input_color_format>:  0 (YUV420SP) or 1 (YUV420P)\n");
179        return 1;
180    }
181
182    int colorFormat = translateColorToOmxEnumValue(atoi(argv[2]));
183    if (colorFormat == -1) {
184        fprintf(stderr, "input color format must be 0 (YUV420SP) or 1 (YUV420P)\n");
185        return 1;
186    }
187    status_t err = OK;
188
189#if 0
190    sp<MediaSource> source = createSource(argv[1]);
191
192    if (source == NULL) {
193        fprintf(stderr, "Unable to find a suitable video track.\n");
194        return 1;
195    }
196
197    sp<MetaData> meta = source->getFormat();
198
199    sp<MediaSource> decoder = SimpleDecodingSource::Create(source);
200
201    int width, height;
202    bool success = meta->findInt32(kKeyWidth, &width);
203    success = success && meta->findInt32(kKeyHeight, &height);
204    CHECK(success);
205#else
206    int width = 720;
207    int height = 480;
208    sp<MediaSource> decoder = new DummySource(width, height, colorFormat);
209#endif
210
211    sp<AMessage> enc_meta = new AMessage;
212    // enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
213    // enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
214    enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
215    enc_meta->setInt32("width", width);
216    enc_meta->setInt32("height", height);
217    enc_meta->setInt32("sample-rate", kFramerate);
218    enc_meta->setInt32("bit-rate", kVideoBitRate);
219    // enc_meta->setInt32("stride", width);
220    // enc_meta->setInt32("slice-height", height);
221    enc_meta->setInt32("i-frame-interval", kIFramesIntervalSec);
222    enc_meta->setInt32("color-format", colorFormat);
223
224    sp<MediaSource> encoder =
225        MediaCodecSource::Create(looper, format, decoder);
226
227#if 1
228    sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
229    writer->addSource(encoder);
230    writer->setMaxFileDuration(kDurationUs);
231    CHECK_EQ((status_t)OK, writer->start());
232    while (!writer->reachedEOS()) {
233        fprintf(stderr, ".");
234        usleep(100000);
235    }
236    err = writer->stop();
237#else
238    CHECK_EQ((status_t)OK, encoder->start());
239
240    MediaBuffer *buffer;
241    while (encoder->read(&buffer) == OK) {
242        printf(".");
243        fflush(stdout);
244        int32_t isSync;
245        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
246            isSync = false;
247        }
248
249        printf("got an output frame of size %d%s\n", buffer->range_length(),
250               isSync ? " (SYNC)" : "");
251
252        buffer->release();
253        buffer = NULL;
254    }
255
256    err = encoder->stop();
257#endif
258
259    printf("$\n");
260#endif
261
262#if 0
263    CameraSource *source = CameraSource::Create(
264            String16(argv[0], strlen(argv[0])));
265    source->start();
266
267    printf("source = %p\n", source);
268
269    for (int i = 0; i < 100; ++i) {
270        MediaBuffer *buffer;
271        status_t err = source->read(&buffer);
272        CHECK_EQ(err, (status_t)OK);
273
274        printf("got a frame, data=%p, size=%d\n",
275               buffer->data(), buffer->range_length());
276
277        buffer->release();
278        buffer = NULL;
279    }
280
281    err = source->stop();
282
283    delete source;
284    source = NULL;
285#endif
286
287    if (err != OK && err != ERROR_END_OF_STREAM) {
288        fprintf(stderr, "record failed: %d\n", err);
289        return 1;
290    }
291    return 0;
292}
293#else
294
295int main(int /* argc */, char ** /* argv */) {
296    android::ProcessState::self()->startThreadPool();
297
298    const int32_t kSampleRate = 22050;
299    const int32_t kNumChannels = 2;
300    sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
301
302#if 0
303    sp<MediaPlayerBase::AudioSink> audioSink;
304    AudioPlayer *player = new AudioPlayer(audioSink);
305    player->setSource(audioSource);
306    player->start();
307
308    sleep(10);
309
310    player->stop();
311#endif
312
313    sp<AMessage> encMeta = new AMessage;
314    encMeta->setString("mime",
315            0 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
316    encMeta->setInt32("sample-rate", kSampleRate);
317    encMeta->setInt32("channel-count", kNumChannels);
318    encMeta->setInt32("max-input-size", 8192);
319    encMeta->setInt32("bitrate", kAudioBitRate);
320
321    sp<ALooper> looper = new ALooper;
322    looper->setName("record");
323    looper->start();
324
325    sp<IMediaSource> encoder =
326        MediaCodecSource::Create(looper, encMeta, audioSource);
327
328    encoder->start();
329
330    int32_t n = 0;
331    status_t err;
332    MediaBuffer *buffer;
333    while ((err = encoder->read(&buffer)) == OK) {
334        printf(".");
335        fflush(stdout);
336
337        buffer->release();
338        buffer = NULL;
339
340        if (++n == 100) {
341            break;
342        }
343    }
344    printf("$\n");
345
346    encoder->stop();
347
348    return 0;
349}
350#endif
351