stagefright.cpp revision 7f281f87670c63775ea1ae8b24af31822d5ad416 
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    if (gReproduceBug == 3) {
65        status_t err;
66        MediaBuffer *buffer;
67        MediaSource::ReadOptions options;
68        int64_t seekTimeUs = -1;
69        for (;;) {
70            err = decoder->read(&buffer, &options);
71            options.clearSeekTo();
72
73            bool shouldSeek = false;
74            if (err == INFO_FORMAT_CHANGED) {
75                CHECK_EQ(buffer, NULL);
76
77                printf("format changed.\n");
78                continue;
79            } else if (err != OK) {
80                printf("reached EOF.\n");
81
82                shouldSeek = true;
83            } else {
84                int64_t timestampUs;
85                CHECK(buffer->meta_data()->findInt64(kKeyTime, &timestampUs));
86
87                bool failed = false;
88                if (seekTimeUs >= 0) {
89                    int64_t diff = timestampUs - seekTimeUs;
90
91                    if (diff > 500000) {
92                        printf("ERROR: ");
93                        failed = true;
94                    }
95                }
96
97                printf("buffer has timestamp %lld us (%.2f secs)\n",
98                       timestampUs, timestampUs / 1E6);
99
100                buffer->release();
101                buffer = NULL;
102
103                if (failed) {
104                    break;
105                }
106
107                shouldSeek = ((double)rand() / RAND_MAX) < 0.1;
108                shouldSeek = false;
109            }
110
111            seekTimeUs = -1;
112
113            if (shouldSeek) {
114                seekTimeUs = (rand() * 30E6) / RAND_MAX;
115                options.setSeekTo(seekTimeUs);
116
117                printf("seeking to %lld us (%.2f secs)\n",
118                       seekTimeUs, seekTimeUs / 1E6);
119            }
120        }
121
122        decoder->stop();
123
124        return;
125    }
126
127    int n = 0;
128    int64_t startTime = getNowUs();
129
130    long numIterationsLeft = gNumRepetitions;
131    MediaSource::ReadOptions options;
132
133    while (numIterationsLeft-- > 0) {
134        long numFrames = 0;
135
136        MediaBuffer *buffer;
137
138        for (;;) {
139            status_t err = decoder->read(&buffer, &options);
140            options.clearSeekTo();
141
142            if (err != OK) {
143                CHECK_EQ(buffer, NULL);
144
145                if (err == INFO_FORMAT_CHANGED) {
146                    printf("format changed.\n");
147                    continue;
148                }
149
150                break;
151            }
152
153            if ((n++ % 16) == 0) {
154                printf(".");
155                fflush(stdout);
156            }
157
158            buffer->release();
159            buffer = NULL;
160
161            ++numFrames;
162            if (gMaxNumFrames > 0 && numFrames == gMaxNumFrames) {
163                break;
164            }
165
166            if (gReproduceBug == 1 && numFrames == 40) {
167                printf("seeking past the end now.");
168                options.setSeekTo(0x7fffffffL);
169            } else if (gReproduceBug == 2 && numFrames == 40) {
170                printf("seeking to 5 secs.");
171                options.setSeekTo(5000000);
172            }
173        }
174
175        printf("$");
176        fflush(stdout);
177
178        options.setSeekTo(0);
179    }
180
181    decoder->stop();
182    printf("\n");
183
184    int64_t delay = getNowUs() - startTime;
185    printf("avg. %.2f fps\n", n * 1E6 / delay);
186
187    printf("decoded a total of %d frame(s).\n", n);
188}
189
190static void usage(const char *me) {
191    fprintf(stderr, "usage: %s\n", me);
192    fprintf(stderr, "       -h(elp)\n");
193    fprintf(stderr, "       -a(udio)\n");
194    fprintf(stderr, "       -n repetitions\n");
195    fprintf(stderr, "       -l(ist) components\n");
196    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
197    fprintf(stderr, "       -b bug to reproduce\n");
198    fprintf(stderr, "       -p(rofiles) dump decoder profiles supported\n");
199}
200
201int main(int argc, char **argv) {
202    android::ProcessState::self()->startThreadPool();
203
204    bool audioOnly = false;
205    bool listComponents = false;
206    bool dumpProfiles = false;
207    gNumRepetitions = 1;
208    gMaxNumFrames = 0;
209    gReproduceBug = -1;
210
211    int res;
212    while ((res = getopt(argc, argv, "han:lm:b:p")) >= 0) {
213        switch (res) {
214            case 'a':
215            {
216                audioOnly = true;
217                break;
218            }
219
220            case 'l':
221            {
222                listComponents = true;
223                break;
224            }
225
226            case 'm':
227            case 'n':
228            case 'b':
229            {
230                char *end;
231                long x = strtol(optarg, &end, 10);
232
233                if (*end != '\0' || end == optarg || x <= 0) {
234                    x = 1;
235                }
236
237                if (res == 'n') {
238                    gNumRepetitions = x;
239                } else if (res == 'm') {
240                    gMaxNumFrames = x;
241                } else {
242                    CHECK_EQ(res, 'b');
243                    gReproduceBug = x;
244                }
245                break;
246            }
247
248            case 'p':
249            {
250                dumpProfiles = true;
251                break;
252            }
253
254            case '?':
255            case 'h':
256            default:
257            {
258                usage(argv[0]);
259                exit(1);
260                break;
261            }
262        }
263    }
264
265    argc -= optind;
266    argv += optind;
267
268    if (dumpProfiles) {
269        sp<IServiceManager> sm = defaultServiceManager();
270        sp<IBinder> binder = sm->getService(String16("media.player"));
271        sp<IMediaPlayerService> service =
272            interface_cast<IMediaPlayerService>(binder);
273
274        CHECK(service.get() != NULL);
275
276        sp<IOMX> omx = service->createOMX();
277        CHECK(omx.get() != NULL);
278
279        const char *kMimeTypes[] = {
280            MEDIA_MIMETYPE_VIDEO_AVC, MEDIA_MIMETYPE_VIDEO_MPEG4,
281            MEDIA_MIMETYPE_VIDEO_H263
282        };
283
284        for (size_t k = 0; k < sizeof(kMimeTypes) / sizeof(kMimeTypes[0]);
285             ++k) {
286            printf("type '%s':\n", kMimeTypes[k]);
287
288            Vector<CodecCapabilities> results;
289            CHECK_EQ(QueryCodecs(omx, kMimeTypes[k],
290                                 true, // queryDecoders
291                                 &results), OK);
292
293            for (size_t i = 0; i < results.size(); ++i) {
294                printf("  decoder '%s' supports ",
295                       results[i].mComponentName.string());
296
297                if (results[i].mProfileLevels.size() == 0) {
298                    printf("NOTHING.\n");
299                    continue;
300                }
301
302                for (size_t j = 0; j < results[i].mProfileLevels.size(); ++j) {
303                    const CodecProfileLevel &profileLevel =
304                        results[i].mProfileLevels[j];
305
306                    printf("%s%ld/%ld", j > 0 ? ", " : "",
307                           profileLevel.mProfile, profileLevel.mLevel);
308                }
309
310                printf("\n");
311            }
312        }
313    }
314
315    if (listComponents) {
316        sp<IServiceManager> sm = defaultServiceManager();
317        sp<IBinder> binder = sm->getService(String16("media.player"));
318        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
319
320        CHECK(service.get() != NULL);
321
322        sp<IOMX> omx = service->createOMX();
323        CHECK(omx.get() != NULL);
324
325        List<String8> list;
326        omx->list_nodes(&list);
327
328        for (List<String8>::iterator it = list.begin();
329             it != list.end(); ++it) {
330            printf("%s\n", (*it).string());
331        }
332    }
333
334    DataSource::RegisterDefaultSniffers();
335
336    OMXClient client;
337    status_t err = client.connect();
338
339    for (int k = 0; k < argc; ++k) {
340        const char *filename = argv[k];
341
342        sp<DataSource> dataSource;
343        if (!strncasecmp("http://", filename, 7)) {
344            dataSource = new HTTPDataSource(filename);
345            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
346        } else {
347            dataSource = new MmapSource(filename);
348        }
349
350        bool isJPEG = false;
351
352        size_t len = strlen(filename);
353        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
354            isJPEG = true;
355        }
356
357        sp<MediaSource> mediaSource;
358
359        if (isJPEG) {
360            mediaSource = new JPEGSource(dataSource);
361        } else {
362            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
363
364            size_t numTracks = extractor->countTracks();
365
366            sp<MetaData> meta;
367            size_t i;
368            for (i = 0; i < numTracks; ++i) {
369                meta = extractor->getTrackMetaData(i);
370
371                const char *mime;
372                meta->findCString(kKeyMIMEType, &mime);
373
374                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
375                    break;
376                }
377
378                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
379                    break;
380                }
381            }
382
383            mediaSource = extractor->getTrack(i);
384        }
385
386        playSource(&client, mediaSource);
387    }
388
389    client.disconnect();
390
391    return 0;
392}
393