record.cpp revision 888f72a4628eed3c136ff2e346a15d129da0d520 
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/MediaBufferGroup.h>
23#include <media/stagefright/MediaDebug.h>
24#include <media/stagefright/MediaDefs.h>
25#include <media/stagefright/MetaData.h>
26#include <media/stagefright/MediaExtractor.h>
27#include <media/stagefright/MPEG4Writer.h>
28#include <media/stagefright/MmapSource.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 MmapSource(filename));
109
110    size_t num_tracks = extractor->countTracks();
111
112    sp<MetaData> meta;
113    for (size_t i = 0; i < num_tracks; ++i) {
114        meta = extractor->getTrackMetaData(i);
115        CHECK(meta.get() != NULL);
116
117        const char *mime;
118        if (!meta->findCString(kKeyMIMEType, &mime)) {
119            continue;
120        }
121
122        if (strncasecmp(mime, "video/", 6)) {
123            continue;
124        }
125
126        source = extractor->getTrack(i);
127        break;
128    }
129
130    return source;
131}
132
133int main(int argc, char **argv) {
134    android::ProcessState::self()->startThreadPool();
135
136#if 1
137    if (argc != 2) {
138        fprintf(stderr, "usage: %s filename\n", argv[0]);
139        return 1;
140    }
141
142    OMXClient client;
143    CHECK_EQ(client.connect(), OK);
144
145#if 0
146    sp<MediaSource> source = createSource(argv[1]);
147
148    if (source == NULL) {
149        fprintf(stderr, "Unable to find a suitable video track.\n");
150        return 1;
151    }
152
153    sp<MetaData> meta = source->getFormat();
154
155    sp<OMXCodec> decoder = OMXCodec::Create(
156            client.interface(), meta, false /* createEncoder */, source);
157
158    int width, height;
159    bool success = meta->findInt32(kKeyWidth, &width);
160    success = success && meta->findInt32(kKeyHeight, &height);
161    CHECK(success);
162#else
163    int width = 800;
164    int height = 480;
165    sp<MediaSource> decoder = new DummySource(width, height);
166#endif
167
168    sp<MetaData> enc_meta = new MetaData;
169    // enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
170    enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
171    enc_meta->setInt32(kKeyWidth, width);
172    enc_meta->setInt32(kKeyHeight, height);
173
174    sp<OMXCodec> encoder =
175        OMXCodec::Create(
176                client.interface(), enc_meta, true /* createEncoder */, decoder);
177
178#if 1
179    sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
180    writer->addSource(encoder);
181    writer->start();
182    while (!writer->reachedEOS()) {
183        usleep(100000);
184    }
185    writer->stop();
186#else
187    encoder->start();
188
189    MediaBuffer *buffer;
190    while (encoder->read(&buffer) == OK) {
191        int32_t isSync;
192        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
193            isSync = false;
194        }
195
196        printf("got an output frame of size %d%s\n", buffer->range_length(),
197               isSync ? " (SYNC)" : "");
198
199        buffer->release();
200        buffer = NULL;
201    }
202
203    encoder->stop();
204#endif
205
206    client.disconnect();
207#endif
208
209#if 0
210    CameraSource *source = CameraSource::Create();
211    printf("source = %p\n", source);
212
213    for (int i = 0; i < 100; ++i) {
214        MediaBuffer *buffer;
215        status_t err = source->read(&buffer);
216        CHECK_EQ(err, OK);
217
218        printf("got a frame, data=%p, size=%d\n",
219               buffer->data(), buffer->range_length());
220
221        buffer->release();
222        buffer = NULL;
223    }
224
225    delete source;
226    source = NULL;
227#endif
228
229    return 0;
230}
231#else
232
233int main(int argc, char **argv) {
234    android::ProcessState::self()->startThreadPool();
235
236    OMXClient client;
237    CHECK_EQ(client.connect(), OK);
238
239    const int32_t kSampleRate = 22050;
240    const int32_t kNumChannels = 2;
241    sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
242
243#if 0
244    sp<MediaPlayerBase::AudioSink> audioSink;
245    AudioPlayer *player = new AudioPlayer(audioSink);
246    player->setSource(audioSource);
247    player->start();
248
249    sleep(10);
250
251    player->stop();
252#endif
253
254    sp<MetaData> encMeta = new MetaData;
255    encMeta->setCString(kKeyMIMEType,
256            1 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
257    encMeta->setInt32(kKeySampleRate, kSampleRate);
258    encMeta->setInt32(kKeyChannelCount, kNumChannels);
259    encMeta->setInt32(kKeyMaxInputSize, 8192);
260
261    sp<MediaSource> encoder =
262        OMXCodec::Create(client.interface(), encMeta, true, audioSource);
263
264    encoder->start();
265
266    int32_t n = 0;
267    status_t err;
268    MediaBuffer *buffer;
269    while ((err = encoder->read(&buffer)) == OK) {
270        printf(".");
271        fflush(stdout);
272
273        buffer->release();
274        buffer = NULL;
275
276        if (++n == 100) {
277            break;
278        }
279    }
280    printf("$\n");
281
282    encoder->stop();
283
284    client.disconnect();
285
286    return 0;
287}
288#endif
289