stagefright.cpp revision 777893a928680f09e306b4b9efc1d5cf4479a9da 
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/JPEGSource.h>
29#include <media/stagefright/MediaDebug.h>
30#include <media/stagefright/MediaDefs.h>
31#include <media/stagefright/MediaPlayerImpl.h>
32#include <media/stagefright/MediaExtractor.h>
33#include <media/stagefright/MediaSource.h>
34#include <media/stagefright/MetaData.h>
35#include <media/stagefright/MmapSource.h>
36#include <media/stagefright/OMXClient.h>
37#include <media/stagefright/OMXCodec.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(0x7fffffffL);
100            } else if (gReproduceBug == 2 && numFrames == 40) {
101                printf("seeking to 5 secs.");
102                options.setSeekTo(5000000);
103            }
104        }
105
106        printf("$");
107        fflush(stdout);
108
109        options.setSeekTo(0);
110    }
111
112    decoder->stop();
113    printf("\n");
114
115    int64_t delay = getNowUs() - startTime;
116    printf("avg. %.2f fps\n", n * 1E6 / delay);
117
118    printf("decoded a total of %d frame(s).\n", n);
119}
120
121static void usage(const char *me) {
122    fprintf(stderr, "usage: %s\n", me);
123    fprintf(stderr, "       -h(elp)\n");
124    fprintf(stderr, "       -a(udio)\n");
125    fprintf(stderr, "       -n repetitions\n");
126    fprintf(stderr, "       -l(ist) components\n");
127    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
128    fprintf(stderr, "       -b bug to reproduce\n");
129    fprintf(stderr, "       -p(rofiles) dump decoder profiles supported\n");
130}
131
132int main(int argc, char **argv) {
133    android::ProcessState::self()->startThreadPool();
134
135    bool audioOnly = false;
136    bool listComponents = false;
137    bool dumpProfiles = false;
138    gNumRepetitions = 1;
139    gMaxNumFrames = 0;
140    gReproduceBug = -1;
141
142    int res;
143    while ((res = getopt(argc, argv, "han:lm:b:p")) >= 0) {
144        switch (res) {
145            case 'a':
146            {
147                audioOnly = true;
148                break;
149            }
150
151            case 'l':
152            {
153                listComponents = true;
154                break;
155            }
156
157            case 'm':
158            case 'n':
159            case 'b':
160            {
161                char *end;
162                long x = strtol(optarg, &end, 10);
163
164                if (*end != '\0' || end == optarg || x <= 0) {
165                    x = 1;
166                }
167
168                if (res == 'n') {
169                    gNumRepetitions = x;
170                } else if (res == 'm') {
171                    gMaxNumFrames = x;
172                } else {
173                    CHECK_EQ(res, 'b');
174                    gReproduceBug = x;
175                }
176                break;
177            }
178
179            case 'p':
180            {
181                dumpProfiles = true;
182                break;
183            }
184
185            case '?':
186            case 'h':
187            default:
188            {
189                usage(argv[0]);
190                exit(1);
191                break;
192            }
193        }
194    }
195
196    argc -= optind;
197    argv += optind;
198
199    if (dumpProfiles) {
200        sp<IServiceManager> sm = defaultServiceManager();
201        sp<IBinder> binder = sm->getService(String16("media.player"));
202        sp<IMediaPlayerService> service =
203            interface_cast<IMediaPlayerService>(binder);
204
205        CHECK(service.get() != NULL);
206
207        sp<IOMX> omx = service->createOMX();
208        CHECK(omx.get() != NULL);
209
210        const char *kMimeTypes[] = {
211            MEDIA_MIMETYPE_VIDEO_AVC, MEDIA_MIMETYPE_VIDEO_MPEG4,
212            MEDIA_MIMETYPE_VIDEO_H263
213        };
214
215        for (size_t k = 0; k < sizeof(kMimeTypes) / sizeof(kMimeTypes[0]);
216             ++k) {
217            printf("type '%s':\n", kMimeTypes[k]);
218
219            Vector<CodecCapabilities> results;
220            CHECK_EQ(QueryCodecs(omx, kMimeTypes[k],
221                                 true, // queryDecoders
222                                 &results), OK);
223
224            for (size_t i = 0; i < results.size(); ++i) {
225                printf("  decoder '%s' supports ",
226                       results[i].mComponentName.string());
227
228                if (results[i].mProfileLevels.size() == 0) {
229                    printf("NOTHING.\n");
230                    continue;
231                }
232
233                for (size_t j = 0; j < results[i].mProfileLevels.size(); ++j) {
234                    const CodecProfileLevel &profileLevel =
235                        results[i].mProfileLevels[j];
236
237                    printf("%s%ld/%ld", j > 0 ? ", " : "",
238                           profileLevel.mProfile, profileLevel.mLevel);
239                }
240
241                printf("\n");
242            }
243        }
244    }
245
246    if (listComponents) {
247        sp<IServiceManager> sm = defaultServiceManager();
248        sp<IBinder> binder = sm->getService(String16("media.player"));
249        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
250
251        CHECK(service.get() != NULL);
252
253        sp<IOMX> omx = service->createOMX();
254        CHECK(omx.get() != NULL);
255
256        List<String8> list;
257        omx->list_nodes(&list);
258
259        for (List<String8>::iterator it = list.begin();
260             it != list.end(); ++it) {
261            printf("%s\n", (*it).string());
262        }
263    }
264
265    DataSource::RegisterDefaultSniffers();
266
267    OMXClient client;
268    status_t err = client.connect();
269
270    for (int k = 0; k < argc; ++k) {
271        const char *filename = argv[k];
272
273        sp<DataSource> dataSource;
274        if (!strncasecmp("http://", filename, 7)) {
275            dataSource = new HTTPDataSource(filename);
276            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
277        } else {
278            dataSource = new MmapSource(filename);
279        }
280
281        bool isJPEG = false;
282
283        size_t len = strlen(filename);
284        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
285            isJPEG = true;
286        }
287
288        sp<MediaSource> mediaSource;
289
290        if (isJPEG) {
291            mediaSource = new JPEGSource(dataSource);
292        } else {
293            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
294
295            size_t numTracks = extractor->countTracks();
296
297            sp<MetaData> meta;
298            size_t i;
299            for (i = 0; i < numTracks; ++i) {
300                meta = extractor->getTrackMetaData(i);
301
302                const char *mime;
303                meta->findCString(kKeyMIMEType, &mime);
304
305                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
306                    break;
307                }
308
309                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
310                    break;
311                }
312            }
313
314            mediaSource = extractor->getTrack(i);
315        }
316
317        playSource(&client, mediaSource);
318    }
319
320    client.disconnect();
321
322    return 0;
323}
324