stagefright.cpp revision e0f0b08aa692d15f3bfa19e10abfc84803c099b4 
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 <sys/time.h>
18
19#include <stdlib.h>
20#include <string.h>
21#include <unistd.h>
22
23#include <binder/IServiceManager.h>
24#include <binder/ProcessState.h>
25#include <media/IMediaPlayerService.h>
26#include <media/stagefright/CachingDataSource.h>
27#include <media/stagefright/HTTPDataSource.h>
28#include <media/stagefright/MediaDebug.h>
29#include <media/stagefright/MediaPlayerImpl.h>
30#include <media/stagefright/MediaExtractor.h>
31#include <media/stagefright/MediaSource.h>
32#include <media/stagefright/MetaData.h>
33#include <media/stagefright/MmapSource.h>
34#include <media/stagefright/OMXClient.h>
35#include <media/stagefright/OMXCodec.h>
36
37#include "JPEGSource.h"
38
39using namespace android;
40
41static long gNumRepetitions;
42static long gMaxNumFrames;  // 0 means decode all available.
43static long gReproduceBug;  // if not -1.
44
45static int64_t getNowUs() {
46    struct timeval tv;
47    gettimeofday(&tv, NULL);
48
49    return (int64_t)tv.tv_usec + tv.tv_sec * 1000000;
50}
51
52static void playSource(OMXClient *client, const sp<MediaSource> &source) {
53    sp<MetaData> meta = source->getFormat();
54
55    sp<OMXCodec> decoder = OMXCodec::Create(
56            client->interface(), meta, false /* createEncoder */, source);
57
58    if (decoder == NULL) {
59        return;
60    }
61
62    decoder->start();
63
64    int n = 0;
65    int64_t startTime = getNowUs();
66
67    long numIterationsLeft = gNumRepetitions;
68    MediaSource::ReadOptions options;
69
70    while (numIterationsLeft-- > 0) {
71        long numFrames = 0;
72
73        MediaBuffer *buffer;
74
75        for (;;) {
76            status_t err = decoder->read(&buffer, &options);
77            options.clearSeekTo();
78
79            if (err != OK) {
80                CHECK_EQ(buffer, NULL);
81                break;
82            }
83
84            if ((n++ % 16) == 0) {
85                printf(".");
86                fflush(stdout);
87            }
88
89            buffer->release();
90            buffer = NULL;
91
92            ++numFrames;
93            if (gMaxNumFrames > 0 && numFrames == gMaxNumFrames) {
94                break;
95            }
96
97            if (gReproduceBug == 1 && numFrames == 40) {
98                printf("seeking past the end now.");
99                options.setSeekTo(LONG_MAX);
100            }
101        }
102
103        printf("$");
104        fflush(stdout);
105
106        options.setSeekTo(0);
107    }
108
109    decoder->stop();
110    printf("\n");
111
112    int64_t delay = getNowUs() - startTime;
113    printf("avg. %.2f fps\n", n * 1E6 / delay);
114
115    printf("decoded a total of %d frame(s).\n", n);
116}
117
118static void usage(const char *me) {
119    fprintf(stderr, "usage: %s\n", me);
120    fprintf(stderr, "       -h(elp)\n");
121    fprintf(stderr, "       -a(udio)\n");
122    fprintf(stderr, "       -n repetitions\n");
123    fprintf(stderr, "       -l(ist) components\n");
124    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
125    fprintf(stderr, "       -b bug to reproduce\n");
126}
127
128int main(int argc, char **argv) {
129    android::ProcessState::self()->startThreadPool();
130
131    bool audioOnly = false;
132    bool listComponents = false;
133    gNumRepetitions = 1;
134    gMaxNumFrames = 0;
135    gReproduceBug = -1;
136
137    int res;
138    while ((res = getopt(argc, argv, "han:lm:b:")) >= 0) {
139        switch (res) {
140            case 'a':
141            {
142                audioOnly = true;
143                break;
144            }
145
146            case 'l':
147            {
148                listComponents = true;
149                break;
150            }
151
152            case 'm':
153            case 'n':
154            case 'b':
155            {
156                char *end;
157                long x = strtol(optarg, &end, 10);
158
159                if (*end != '\0' || end == optarg || x <= 0) {
160                    x = 1;
161                }
162
163                if (res == 'n') {
164                    gNumRepetitions = x;
165                } else if (res == 'm') {
166                    gMaxNumFrames = x;
167                } else {
168                    CHECK_EQ(res, 'b');
169                    gReproduceBug = x;
170                }
171                break;
172            }
173
174            case '?':
175            case 'h':
176            default:
177            {
178                usage(argv[0]);
179                exit(1);
180                break;
181            }
182        }
183    }
184
185    argc -= optind;
186    argv += optind;
187
188    if (listComponents) {
189        sp<IServiceManager> sm = defaultServiceManager();
190        sp<IBinder> binder = sm->getService(String16("media.player"));
191        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
192
193        CHECK(service.get() != NULL);
194
195        sp<IOMX> omx = service->createOMX();
196        CHECK(omx.get() != NULL);
197
198        List<String8> list;
199        omx->list_nodes(&list);
200
201        for (List<String8>::iterator it = list.begin();
202             it != list.end(); ++it) {
203            printf("%s\n", (*it).string());
204        }
205    }
206
207    DataSource::RegisterDefaultSniffers();
208
209    OMXClient client;
210    status_t err = client.connect();
211
212    for (int k = 0; k < argc; ++k) {
213        const char *filename = argv[k];
214
215        sp<DataSource> dataSource;
216        if (!strncasecmp("http://", filename, 7)) {
217            dataSource = new HTTPDataSource(filename);
218            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
219        } else {
220            dataSource = new MmapSource(filename);
221        }
222
223        bool isJPEG = false;
224
225        size_t len = strlen(filename);
226        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
227            isJPEG = true;
228        }
229
230        sp<MediaSource> mediaSource;
231
232        if (isJPEG) {
233            mediaSource = new JPEGSource(dataSource);
234        } else {
235            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
236
237            size_t numTracks = extractor->countTracks();
238
239            sp<MetaData> meta;
240            size_t i;
241            for (i = 0; i < numTracks; ++i) {
242                meta = extractor->getTrackMetaData(i);
243
244                const char *mime;
245                meta->findCString(kKeyMIMEType, &mime);
246
247                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
248                    break;
249                }
250
251                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
252                    break;
253                }
254            }
255
256            mediaSource = extractor->getTrack(i);
257        }
258
259        playSource(&client, mediaSource);
260    }
261
262    client.disconnect();
263
264    return 0;
265}
266