stagefright.cpp revision 48c948b1137e7bbdb161b51908657ab72ac5e2da 
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 != OK) {
75                printf("reached EOF.\n");
76
77                shouldSeek = true;
78            } else {
79                int64_t timestampUs;
80                CHECK(buffer->meta_data()->findInt64(kKeyTime, &timestampUs));
81
82                bool failed = false;
83                if (seekTimeUs >= 0) {
84                    int64_t diff = timestampUs - seekTimeUs;
85
86                    if (diff > 500000) {
87                        printf("ERROR: ");
88                        failed = true;
89                    }
90                }
91
92                printf("buffer has timestamp %lld us (%.2f secs)\n",
93                       timestampUs, timestampUs / 1E6);
94
95                buffer->release();
96                buffer = NULL;
97
98                if (failed) {
99                    break;
100                }
101
102                shouldSeek = ((double)rand() / RAND_MAX) < 0.1;
103                shouldSeek = false;
104            }
105
106            seekTimeUs = -1;
107
108            if (shouldSeek) {
109                seekTimeUs = (rand() * 30E6) / RAND_MAX;
110                options.setSeekTo(seekTimeUs);
111
112                printf("seeking to %lld us (%.2f secs)\n",
113                       seekTimeUs, seekTimeUs / 1E6);
114            }
115        }
116
117        decoder->stop();
118
119        return;
120    }
121
122    int n = 0;
123    int64_t startTime = getNowUs();
124
125    long numIterationsLeft = gNumRepetitions;
126    MediaSource::ReadOptions options;
127
128    while (numIterationsLeft-- > 0) {
129        long numFrames = 0;
130
131        MediaBuffer *buffer;
132
133        for (;;) {
134            status_t err = decoder->read(&buffer, &options);
135            options.clearSeekTo();
136
137            if (err != OK) {
138                CHECK_EQ(buffer, NULL);
139                break;
140            }
141
142            if ((n++ % 16) == 0) {
143                printf(".");
144                fflush(stdout);
145            }
146
147            buffer->release();
148            buffer = NULL;
149
150            ++numFrames;
151            if (gMaxNumFrames > 0 && numFrames == gMaxNumFrames) {
152                break;
153            }
154
155            if (gReproduceBug == 1 && numFrames == 40) {
156                printf("seeking past the end now.");
157                options.setSeekTo(0x7fffffffL);
158            } else if (gReproduceBug == 2 && numFrames == 40) {
159                printf("seeking to 5 secs.");
160                options.setSeekTo(5000000);
161            }
162        }
163
164        printf("$");
165        fflush(stdout);
166
167        options.setSeekTo(0);
168    }
169
170    decoder->stop();
171    printf("\n");
172
173    int64_t delay = getNowUs() - startTime;
174    printf("avg. %.2f fps\n", n * 1E6 / delay);
175
176    printf("decoded a total of %d frame(s).\n", n);
177}
178
179static void usage(const char *me) {
180    fprintf(stderr, "usage: %s\n", me);
181    fprintf(stderr, "       -h(elp)\n");
182    fprintf(stderr, "       -a(udio)\n");
183    fprintf(stderr, "       -n repetitions\n");
184    fprintf(stderr, "       -l(ist) components\n");
185    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
186    fprintf(stderr, "       -b bug to reproduce\n");
187    fprintf(stderr, "       -p(rofiles) dump decoder profiles supported\n");
188}
189
190int main(int argc, char **argv) {
191    android::ProcessState::self()->startThreadPool();
192
193    bool audioOnly = false;
194    bool listComponents = false;
195    bool dumpProfiles = false;
196    gNumRepetitions = 1;
197    gMaxNumFrames = 0;
198    gReproduceBug = -1;
199
200    int res;
201    while ((res = getopt(argc, argv, "han:lm:b:p")) >= 0) {
202        switch (res) {
203            case 'a':
204            {
205                audioOnly = true;
206                break;
207            }
208
209            case 'l':
210            {
211                listComponents = true;
212                break;
213            }
214
215            case 'm':
216            case 'n':
217            case 'b':
218            {
219                char *end;
220                long x = strtol(optarg, &end, 10);
221
222                if (*end != '\0' || end == optarg || x <= 0) {
223                    x = 1;
224                }
225
226                if (res == 'n') {
227                    gNumRepetitions = x;
228                } else if (res == 'm') {
229                    gMaxNumFrames = x;
230                } else {
231                    CHECK_EQ(res, 'b');
232                    gReproduceBug = x;
233                }
234                break;
235            }
236
237            case 'p':
238            {
239                dumpProfiles = true;
240                break;
241            }
242
243            case '?':
244            case 'h':
245            default:
246            {
247                usage(argv[0]);
248                exit(1);
249                break;
250            }
251        }
252    }
253
254    argc -= optind;
255    argv += optind;
256
257    if (dumpProfiles) {
258        sp<IServiceManager> sm = defaultServiceManager();
259        sp<IBinder> binder = sm->getService(String16("media.player"));
260        sp<IMediaPlayerService> service =
261            interface_cast<IMediaPlayerService>(binder);
262
263        CHECK(service.get() != NULL);
264
265        sp<IOMX> omx = service->createOMX();
266        CHECK(omx.get() != NULL);
267
268        const char *kMimeTypes[] = {
269            MEDIA_MIMETYPE_VIDEO_AVC, MEDIA_MIMETYPE_VIDEO_MPEG4,
270            MEDIA_MIMETYPE_VIDEO_H263
271        };
272
273        for (size_t k = 0; k < sizeof(kMimeTypes) / sizeof(kMimeTypes[0]);
274             ++k) {
275            printf("type '%s':\n", kMimeTypes[k]);
276
277            Vector<CodecCapabilities> results;
278            CHECK_EQ(QueryCodecs(omx, kMimeTypes[k],
279                                 true, // queryDecoders
280                                 &results), OK);
281
282            for (size_t i = 0; i < results.size(); ++i) {
283                printf("  decoder '%s' supports ",
284                       results[i].mComponentName.string());
285
286                if (results[i].mProfileLevels.size() == 0) {
287                    printf("NOTHING.\n");
288                    continue;
289                }
290
291                for (size_t j = 0; j < results[i].mProfileLevels.size(); ++j) {
292                    const CodecProfileLevel &profileLevel =
293                        results[i].mProfileLevels[j];
294
295                    printf("%s%ld/%ld", j > 0 ? ", " : "",
296                           profileLevel.mProfile, profileLevel.mLevel);
297                }
298
299                printf("\n");
300            }
301        }
302    }
303
304    if (listComponents) {
305        sp<IServiceManager> sm = defaultServiceManager();
306        sp<IBinder> binder = sm->getService(String16("media.player"));
307        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
308
309        CHECK(service.get() != NULL);
310
311        sp<IOMX> omx = service->createOMX();
312        CHECK(omx.get() != NULL);
313
314        List<String8> list;
315        omx->list_nodes(&list);
316
317        for (List<String8>::iterator it = list.begin();
318             it != list.end(); ++it) {
319            printf("%s\n", (*it).string());
320        }
321    }
322
323    DataSource::RegisterDefaultSniffers();
324
325    OMXClient client;
326    status_t err = client.connect();
327
328    for (int k = 0; k < argc; ++k) {
329        const char *filename = argv[k];
330
331        sp<DataSource> dataSource;
332        if (!strncasecmp("http://", filename, 7)) {
333            dataSource = new HTTPDataSource(filename);
334            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
335        } else {
336            dataSource = new MmapSource(filename);
337        }
338
339        bool isJPEG = false;
340
341        size_t len = strlen(filename);
342        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
343            isJPEG = true;
344        }
345
346        sp<MediaSource> mediaSource;
347
348        if (isJPEG) {
349            mediaSource = new JPEGSource(dataSource);
350        } else {
351            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
352
353            size_t numTracks = extractor->countTracks();
354
355            sp<MetaData> meta;
356            size_t i;
357            for (i = 0; i < numTracks; ++i) {
358                meta = extractor->getTrackMetaData(i);
359
360                const char *mime;
361                meta->findCString(kKeyMIMEType, &mime);
362
363                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
364                    break;
365                }
366
367                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
368                    break;
369                }
370            }
371
372            mediaSource = extractor->getTrack(i);
373        }
374
375        playSource(&client, mediaSource);
376    }
377
378    client.disconnect();
379
380    return 0;
381}
382