record.cpp revision b93ad64a423975748c7f5e1a5ea94ab8681bc899 
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/AudioPlayer.h>
21#include <media/stagefright/CameraSource.h>
22#include <media/stagefright/FileSource.h>
23#include <media/stagefright/MediaBufferGroup.h>
24#include <media/stagefright/MediaDebug.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
35#if 1
36class DummySource : public MediaSource {
37    static const int32_t kFramerate = 24;  // fps
38
39public:
40    DummySource(int width, int height)
41        : mWidth(width),
42          mHeight(height),
43          mSize((width * height * 3) / 2) {
44        mGroup.add_buffer(new MediaBuffer(mSize));
45    }
46
47    virtual sp<MetaData> getFormat() {
48        sp<MetaData> meta = new MetaData;
49        meta->setInt32(kKeyWidth, mWidth);
50        meta->setInt32(kKeyHeight, mHeight);
51        meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
52
53        return meta;
54    }
55
56    virtual status_t start(MetaData *params) {
57        mNumFramesOutput = 0;
58        return OK;
59    }
60
61    virtual status_t stop() {
62        return OK;
63    }
64
65    virtual status_t read(
66            MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
67        if (mNumFramesOutput == kFramerate * 10) {
68            // Stop returning data after 10 secs.
69            return ERROR_END_OF_STREAM;
70        }
71
72        // printf("DummySource::read\n");
73        status_t err = mGroup.acquire_buffer(buffer);
74        if (err != OK) {
75            return err;
76        }
77
78        char x = (char)((double)rand() / RAND_MAX * 255);
79        memset((*buffer)->data(), x, mSize);
80        (*buffer)->set_range(0, mSize);
81        (*buffer)->meta_data()->clear();
82        (*buffer)->meta_data()->setInt64(
83                kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
84        ++mNumFramesOutput;
85
86        // printf("DummySource::read - returning buffer\n");
87        // LOGI("DummySource::read - returning buffer");
88        return OK;
89    }
90
91protected:
92    virtual ~DummySource() {}
93
94private:
95    MediaBufferGroup mGroup;
96    int mWidth, mHeight;
97    size_t mSize;
98    int64_t mNumFramesOutput;;
99
100    DummySource(const DummySource &);
101    DummySource &operator=(const DummySource &);
102};
103
104sp<MediaSource> createSource(const char *filename) {
105    sp<MediaSource> source;
106
107    sp<MediaExtractor> extractor =
108        MediaExtractor::Create(new FileSource(filename));
109    if (extractor == NULL) {
110        return NULL;
111    }
112
113    size_t num_tracks = extractor->countTracks();
114
115    sp<MetaData> meta;
116    for (size_t i = 0; i < num_tracks; ++i) {
117        meta = extractor->getTrackMetaData(i);
118        CHECK(meta.get() != NULL);
119
120        const char *mime;
121        if (!meta->findCString(kKeyMIMEType, &mime)) {
122            continue;
123        }
124
125        if (strncasecmp(mime, "video/", 6)) {
126            continue;
127        }
128
129        source = extractor->getTrack(i);
130        break;
131    }
132
133    return source;
134}
135
136int main(int argc, char **argv) {
137    android::ProcessState::self()->startThreadPool();
138
139    DataSource::RegisterDefaultSniffers();
140
141#if 1
142    if (argc != 2) {
143        fprintf(stderr, "usage: %s filename\n", argv[0]);
144        return 1;
145    }
146
147    OMXClient client;
148    CHECK_EQ(client.connect(), OK);
149
150#if 1
151    sp<MediaSource> source = createSource(argv[1]);
152
153    if (source == NULL) {
154        fprintf(stderr, "Unable to find a suitable video track.\n");
155        return 1;
156    }
157
158    sp<MetaData> meta = source->getFormat();
159
160    sp<MediaSource> decoder = OMXCodec::Create(
161            client.interface(), meta, false /* createEncoder */, source);
162
163    int width, height;
164    bool success = meta->findInt32(kKeyWidth, &width);
165    success = success && meta->findInt32(kKeyHeight, &height);
166    CHECK(success);
167#else
168    int width = 800;
169    int height = 480;
170    sp<MediaSource> decoder = new DummySource(width, height);
171#endif
172
173    sp<MetaData> enc_meta = new MetaData;
174    // enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
175    enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
176    enc_meta->setInt32(kKeyWidth, width);
177    enc_meta->setInt32(kKeyHeight, height);
178
179    sp<MediaSource> encoder =
180        OMXCodec::Create(
181                client.interface(), enc_meta, true /* createEncoder */, decoder);
182
183#if 1
184    sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
185    writer->addSource(encoder);
186    writer->start();
187    while (!writer->reachedEOS()) {
188        usleep(100000);
189    }
190    writer->stop();
191#else
192    encoder->start();
193
194    MediaBuffer *buffer;
195    while (encoder->read(&buffer) == OK) {
196        int32_t isSync;
197        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
198            isSync = false;
199        }
200
201        printf("got an output frame of size %d%s\n", buffer->range_length(),
202               isSync ? " (SYNC)" : "");
203
204        buffer->release();
205        buffer = NULL;
206    }
207
208    encoder->stop();
209#endif
210
211    client.disconnect();
212#endif
213
214#if 0
215    CameraSource *source = CameraSource::Create();
216    printf("source = %p\n", source);
217
218    for (int i = 0; i < 100; ++i) {
219        MediaBuffer *buffer;
220        status_t err = source->read(&buffer);
221        CHECK_EQ(err, OK);
222
223        printf("got a frame, data=%p, size=%d\n",
224               buffer->data(), buffer->range_length());
225
226        buffer->release();
227        buffer = NULL;
228    }
229
230    delete source;
231    source = NULL;
232#endif
233
234    return 0;
235}
236#else
237
238int main(int argc, char **argv) {
239    android::ProcessState::self()->startThreadPool();
240
241    OMXClient client;
242    CHECK_EQ(client.connect(), OK);
243
244    const int32_t kSampleRate = 22050;
245    const int32_t kNumChannels = 2;
246    sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
247
248#if 0
249    sp<MediaPlayerBase::AudioSink> audioSink;
250    AudioPlayer *player = new AudioPlayer(audioSink);
251    player->setSource(audioSource);
252    player->start();
253
254    sleep(10);
255
256    player->stop();
257#endif
258
259    sp<MetaData> encMeta = new MetaData;
260    encMeta->setCString(kKeyMIMEType,
261            1 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
262    encMeta->setInt32(kKeySampleRate, kSampleRate);
263    encMeta->setInt32(kKeyChannelCount, kNumChannels);
264    encMeta->setInt32(kKeyMaxInputSize, 8192);
265
266    sp<MediaSource> encoder =
267        OMXCodec::Create(client.interface(), encMeta, true, audioSource);
268
269    encoder->start();
270
271    int32_t n = 0;
272    status_t err;
273    MediaBuffer *buffer;
274    while ((err = encoder->read(&buffer)) == OK) {
275        printf(".");
276        fflush(stdout);
277
278        buffer->release();
279        buffer = NULL;
280
281        if (++n == 100) {
282            break;
283        }
284    }
285    printf("$\n");
286
287    encoder->stop();
288
289    client.disconnect();
290
291    return 0;
292}
293#endif
294