stagefright.cpp revision 5c1e3581978164d169050686c73810ce59304471 
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/FileSource.h>
28#include <media/stagefright/HTTPDataSource.h>
29#include <media/stagefright/JPEGSource.h>
30#include <media/stagefright/MediaDebug.h>
31#include <media/stagefright/MediaDefs.h>
32#include <media/stagefright/MediaExtractor.h>
33#include <media/stagefright/MediaSource.h>
34#include <media/stagefright/MetaData.h>
35#include <media/stagefright/OMXClient.h>
36#include <media/stagefright/OMXCodec.h>
37#include <media/mediametadataretriever.h>
38
39using namespace android;
40
41static long gNumRepetitions;
42static long gMaxNumFrames;  // 0 means decode all available.
43static long gReproduceBug;  // if not -1.
44static bool gPreferSoftwareCodec;
45
46static int64_t getNowUs() {
47    struct timeval tv;
48    gettimeofday(&tv, NULL);
49
50    return (int64_t)tv.tv_usec + tv.tv_sec * 1000000;
51}
52
53static void playSource(OMXClient *client, const sp<MediaSource> &source) {
54    sp<MetaData> meta = source->getFormat();
55
56    const char *mime;
57    CHECK(meta->findCString(kKeyMIMEType, &mime));
58
59    sp<MediaSource> rawSource;
60    if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_RAW, mime)) {
61        rawSource = source;
62    } else {
63        rawSource = OMXCodec::Create(
64            client->interface(), meta, false /* createEncoder */, source,
65            NULL /* matchComponentName */,
66            gPreferSoftwareCodec ? OMXCodec::kPreferSoftwareCodecs : 0);
67
68        if (rawSource == NULL) {
69            fprintf(stderr, "Failed to instantiate decoder for '%s'.\n", mime);
70            return;
71        }
72    }
73
74    rawSource->start();
75
76    if (gReproduceBug >= 3 && gReproduceBug <= 5) {
77        int64_t durationUs;
78        CHECK(meta->findInt64(kKeyDuration, &durationUs));
79
80        status_t err;
81        MediaBuffer *buffer;
82        MediaSource::ReadOptions options;
83        int64_t seekTimeUs = -1;
84        for (;;) {
85            err = rawSource->read(&buffer, &options);
86            options.clearSeekTo();
87
88            bool shouldSeek = false;
89            if (err == INFO_FORMAT_CHANGED) {
90                CHECK_EQ(buffer, NULL);
91
92                printf("format changed.\n");
93                continue;
94            } else if (err != OK) {
95                printf("reached EOF.\n");
96
97                shouldSeek = true;
98            } else {
99                int64_t timestampUs;
100                CHECK(buffer->meta_data()->findInt64(kKeyTime, &timestampUs));
101
102                bool failed = false;
103
104                if (seekTimeUs >= 0) {
105                    int64_t diff = timestampUs - seekTimeUs;
106
107                    if (diff < 0) {
108                        diff = -diff;
109                    }
110
111                    if ((gReproduceBug == 4 && diff > 500000)
112                        || (gReproduceBug == 5 && timestampUs < 0)) {
113                        printf("wanted: %.2f secs, got: %.2f secs\n",
114                               seekTimeUs / 1E6, timestampUs / 1E6);
115
116                        printf("ERROR: ");
117                        failed = true;
118                    }
119                }
120
121                printf("buffer has timestamp %lld us (%.2f secs)\n",
122                       timestampUs, timestampUs / 1E6);
123
124                buffer->release();
125                buffer = NULL;
126
127                if (failed) {
128                    break;
129                }
130
131                shouldSeek = ((double)rand() / RAND_MAX) < 0.1;
132
133                if (gReproduceBug == 3) {
134                    shouldSeek = false;
135                }
136            }
137
138            seekTimeUs = -1;
139
140            if (shouldSeek) {
141                seekTimeUs = (rand() * (float)durationUs) / RAND_MAX;
142                options.setSeekTo(seekTimeUs);
143
144                printf("seeking to %lld us (%.2f secs)\n",
145                       seekTimeUs, seekTimeUs / 1E6);
146            }
147        }
148
149        rawSource->stop();
150
151        return;
152    }
153
154    int n = 0;
155    int64_t startTime = getNowUs();
156
157    long numIterationsLeft = gNumRepetitions;
158    MediaSource::ReadOptions options;
159
160    while (numIterationsLeft-- > 0) {
161        long numFrames = 0;
162
163        MediaBuffer *buffer;
164
165        for (;;) {
166            status_t err = rawSource->read(&buffer, &options);
167            options.clearSeekTo();
168
169            if (err != OK) {
170                CHECK_EQ(buffer, NULL);
171
172                if (err == INFO_FORMAT_CHANGED) {
173                    printf("format changed.\n");
174                    continue;
175                }
176
177                break;
178            }
179
180            if (buffer->range_length() > 0 && (n++ % 16) == 0) {
181                printf(".");
182                fflush(stdout);
183            }
184
185            buffer->release();
186            buffer = NULL;
187
188            ++numFrames;
189            if (gMaxNumFrames > 0 && numFrames == gMaxNumFrames) {
190                break;
191            }
192
193            if (gReproduceBug == 1 && numFrames == 40) {
194                printf("seeking past the end now.");
195                options.setSeekTo(0x7fffffffL);
196            } else if (gReproduceBug == 2 && numFrames == 40) {
197                printf("seeking to 5 secs.");
198                options.setSeekTo(5000000);
199            }
200        }
201
202        printf("$");
203        fflush(stdout);
204
205        options.setSeekTo(0);
206    }
207
208    rawSource->stop();
209    printf("\n");
210
211    int64_t delay = getNowUs() - startTime;
212    printf("avg. %.2f fps\n", n * 1E6 / delay);
213
214    printf("decoded a total of %d frame(s).\n", n);
215}
216
217static void usage(const char *me) {
218    fprintf(stderr, "usage: %s\n", me);
219    fprintf(stderr, "       -h(elp)\n");
220    fprintf(stderr, "       -a(udio)\n");
221    fprintf(stderr, "       -n repetitions\n");
222    fprintf(stderr, "       -l(ist) components\n");
223    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
224    fprintf(stderr, "       -b bug to reproduce\n");
225    fprintf(stderr, "       -p(rofiles) dump decoder profiles supported\n");
226    fprintf(stderr, "       -t(humbnail) extract video thumbnail\n");
227    fprintf(stderr, "       -s(oftware) prefer software codec\n");
228}
229
230int main(int argc, char **argv) {
231    android::ProcessState::self()->startThreadPool();
232
233    bool audioOnly = false;
234    bool listComponents = false;
235    bool dumpProfiles = false;
236    bool extractThumbnail = false;
237    gNumRepetitions = 1;
238    gMaxNumFrames = 0;
239    gReproduceBug = -1;
240    gPreferSoftwareCodec = false;
241
242    int res;
243    while ((res = getopt(argc, argv, "han:lm:b:pts")) >= 0) {
244        switch (res) {
245            case 'a':
246            {
247                audioOnly = true;
248                break;
249            }
250
251            case 'l':
252            {
253                listComponents = true;
254                break;
255            }
256
257            case 'm':
258            case 'n':
259            case 'b':
260            {
261                char *end;
262                long x = strtol(optarg, &end, 10);
263
264                if (*end != '\0' || end == optarg || x <= 0) {
265                    x = 1;
266                }
267
268                if (res == 'n') {
269                    gNumRepetitions = x;
270                } else if (res == 'm') {
271                    gMaxNumFrames = x;
272                } else {
273                    CHECK_EQ(res, 'b');
274                    gReproduceBug = x;
275                }
276                break;
277            }
278
279            case 'p':
280            {
281                dumpProfiles = true;
282                break;
283            }
284
285            case 't':
286            {
287                extractThumbnail = true;
288                break;
289            }
290
291            case 's':
292            {
293                gPreferSoftwareCodec = true;
294                break;
295            }
296
297            case '?':
298            case 'h':
299            default:
300            {
301                usage(argv[0]);
302                exit(1);
303                break;
304            }
305        }
306    }
307
308    argc -= optind;
309    argv += optind;
310
311    if (extractThumbnail) {
312        sp<IServiceManager> sm = defaultServiceManager();
313        sp<IBinder> binder = sm->getService(String16("media.player"));
314        sp<IMediaPlayerService> service =
315            interface_cast<IMediaPlayerService>(binder);
316
317        CHECK(service.get() != NULL);
318
319        sp<IMediaMetadataRetriever> retriever =
320            service->createMetadataRetriever(getpid());
321
322        CHECK(retriever != NULL);
323
324        for (int k = 0; k < argc; ++k) {
325            const char *filename = argv[k];
326
327            CHECK_EQ(retriever->setDataSource(filename), OK);
328            CHECK_EQ(retriever->setMode(METADATA_MODE_FRAME_CAPTURE_ONLY), OK);
329
330            sp<IMemory> mem = retriever->captureFrame();
331
332            printf("captureFrame(%s) => %s\n",
333                   filename, mem != NULL ? "OK" : "FAILED");
334        }
335
336        return 0;
337    }
338
339    if (dumpProfiles) {
340        sp<IServiceManager> sm = defaultServiceManager();
341        sp<IBinder> binder = sm->getService(String16("media.player"));
342        sp<IMediaPlayerService> service =
343            interface_cast<IMediaPlayerService>(binder);
344
345        CHECK(service.get() != NULL);
346
347        sp<IOMX> omx = service->getOMX();
348        CHECK(omx.get() != NULL);
349
350        const char *kMimeTypes[] = {
351            MEDIA_MIMETYPE_VIDEO_AVC, MEDIA_MIMETYPE_VIDEO_MPEG4,
352            MEDIA_MIMETYPE_VIDEO_H263
353        };
354
355        for (size_t k = 0; k < sizeof(kMimeTypes) / sizeof(kMimeTypes[0]);
356             ++k) {
357            printf("type '%s':\n", kMimeTypes[k]);
358
359            Vector<CodecCapabilities> results;
360            CHECK_EQ(QueryCodecs(omx, kMimeTypes[k],
361                                 true, // queryDecoders
362                                 &results), OK);
363
364            for (size_t i = 0; i < results.size(); ++i) {
365                printf("  decoder '%s' supports ",
366                       results[i].mComponentName.string());
367
368                if (results[i].mProfileLevels.size() == 0) {
369                    printf("NOTHING.\n");
370                    continue;
371                }
372
373                for (size_t j = 0; j < results[i].mProfileLevels.size(); ++j) {
374                    const CodecProfileLevel &profileLevel =
375                        results[i].mProfileLevels[j];
376
377                    printf("%s%ld/%ld", j > 0 ? ", " : "",
378                           profileLevel.mProfile, profileLevel.mLevel);
379                }
380
381                printf("\n");
382            }
383        }
384    }
385
386    if (listComponents) {
387        sp<IServiceManager> sm = defaultServiceManager();
388        sp<IBinder> binder = sm->getService(String16("media.player"));
389        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
390
391        CHECK(service.get() != NULL);
392
393        sp<IOMX> omx = service->getOMX();
394        CHECK(omx.get() != NULL);
395
396        List<IOMX::ComponentInfo> list;
397        omx->listNodes(&list);
398
399        for (List<IOMX::ComponentInfo>::iterator it = list.begin();
400             it != list.end(); ++it) {
401            printf("%s\n", (*it).mName.string());
402        }
403    }
404
405    DataSource::RegisterDefaultSniffers();
406
407    OMXClient client;
408    status_t err = client.connect();
409
410    for (int k = 0; k < argc; ++k) {
411        const char *filename = argv[k];
412
413        sp<DataSource> dataSource;
414        if (!strncasecmp("http://", filename, 7)) {
415            dataSource = new HTTPDataSource(filename);
416            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
417        } else {
418            dataSource = new FileSource(filename);
419        }
420
421        bool isJPEG = false;
422
423        size_t len = strlen(filename);
424        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
425            isJPEG = true;
426        }
427
428        sp<MediaSource> mediaSource;
429
430        if (isJPEG) {
431            mediaSource = new JPEGSource(dataSource);
432        } else {
433            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
434
435            size_t numTracks = extractor->countTracks();
436
437            sp<MetaData> meta;
438            size_t i;
439            for (i = 0; i < numTracks; ++i) {
440                meta = extractor->getTrackMetaData(
441                        i, MediaExtractor::kIncludeExtensiveMetaData);
442
443                const char *mime;
444                meta->findCString(kKeyMIMEType, &mime);
445
446                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
447                    break;
448                }
449
450                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
451                    break;
452                }
453            }
454
455            int64_t thumbTimeUs;
456            if (meta->findInt64(kKeyThumbnailTime, &thumbTimeUs)) {
457                printf("thumbnailTime: %lld us (%.2f secs)\n",
458                       thumbTimeUs, thumbTimeUs / 1E6);
459            }
460
461            mediaSource = extractor->getTrack(i);
462        }
463
464        playSource(&client, mediaSource);
465    }
466
467    client.disconnect();
468
469    return 0;
470}
471