stagefright.cpp revision 5228dd1b7468bfc86a807a299f515d33048f96ac 
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                int32_t units, scale;
80                CHECK(buffer->meta_data()->findInt32(kKeyTimeUnits, &units));
81                CHECK(buffer->meta_data()->findInt32(kKeyTimeScale, &scale));
82                int64_t timestamp = ((OMX_TICKS)units * 1000000) / scale;
83
84                bool failed = false;
85                if (seekTimeUs >= 0) {
86                    int64_t diff = timestamp - seekTimeUs;
87
88                    if (diff > 500000) {
89                        printf("ERROR: ");
90                        failed = true;
91                    }
92                }
93
94                printf("buffer has timestamp %lld us (%.2f secs)\n",
95                       timestamp, timestamp / 1E6);
96
97                buffer->release();
98                buffer = NULL;
99
100                if (failed) {
101                    break;
102                }
103
104                shouldSeek = ((double)rand() / RAND_MAX) < 0.1;
105                shouldSeek = false;
106            }
107
108            seekTimeUs = -1;
109
110            if (shouldSeek) {
111                seekTimeUs = (rand() * 30E6) / RAND_MAX;
112                options.setSeekTo(seekTimeUs);
113
114                printf("seeking to %lld us (%.2f secs)\n",
115                       seekTimeUs, seekTimeUs / 1E6);
116            }
117        }
118
119        decoder->stop();
120
121        return;
122    }
123
124    int n = 0;
125    int64_t startTime = getNowUs();
126
127    long numIterationsLeft = gNumRepetitions;
128    MediaSource::ReadOptions options;
129
130    while (numIterationsLeft-- > 0) {
131        long numFrames = 0;
132
133        MediaBuffer *buffer;
134
135        for (;;) {
136            status_t err = decoder->read(&buffer, &options);
137            options.clearSeekTo();
138
139            if (err != OK) {
140                CHECK_EQ(buffer, NULL);
141                break;
142            }
143
144            if ((n++ % 16) == 0) {
145                printf(".");
146                fflush(stdout);
147            }
148
149            buffer->release();
150            buffer = NULL;
151
152            ++numFrames;
153            if (gMaxNumFrames > 0 && numFrames == gMaxNumFrames) {
154                break;
155            }
156
157            if (gReproduceBug == 1 && numFrames == 40) {
158                printf("seeking past the end now.");
159                options.setSeekTo(0x7fffffffL);
160            } else if (gReproduceBug == 2 && numFrames == 40) {
161                printf("seeking to 5 secs.");
162                options.setSeekTo(5000000);
163            }
164        }
165
166        printf("$");
167        fflush(stdout);
168
169        options.setSeekTo(0);
170    }
171
172    decoder->stop();
173    printf("\n");
174
175    int64_t delay = getNowUs() - startTime;
176    printf("avg. %.2f fps\n", n * 1E6 / delay);
177
178    printf("decoded a total of %d frame(s).\n", n);
179}
180
181static void usage(const char *me) {
182    fprintf(stderr, "usage: %s\n", me);
183    fprintf(stderr, "       -h(elp)\n");
184    fprintf(stderr, "       -a(udio)\n");
185    fprintf(stderr, "       -n repetitions\n");
186    fprintf(stderr, "       -l(ist) components\n");
187    fprintf(stderr, "       -m max-number-of-frames-to-decode in each pass\n");
188    fprintf(stderr, "       -b bug to reproduce\n");
189    fprintf(stderr, "       -p(rofiles) dump decoder profiles supported\n");
190}
191
192int main(int argc, char **argv) {
193    android::ProcessState::self()->startThreadPool();
194
195    bool audioOnly = false;
196    bool listComponents = false;
197    bool dumpProfiles = false;
198    gNumRepetitions = 1;
199    gMaxNumFrames = 0;
200    gReproduceBug = -1;
201
202    int res;
203    while ((res = getopt(argc, argv, "han:lm:b:p")) >= 0) {
204        switch (res) {
205            case 'a':
206            {
207                audioOnly = true;
208                break;
209            }
210
211            case 'l':
212            {
213                listComponents = true;
214                break;
215            }
216
217            case 'm':
218            case 'n':
219            case 'b':
220            {
221                char *end;
222                long x = strtol(optarg, &end, 10);
223
224                if (*end != '\0' || end == optarg || x <= 0) {
225                    x = 1;
226                }
227
228                if (res == 'n') {
229                    gNumRepetitions = x;
230                } else if (res == 'm') {
231                    gMaxNumFrames = x;
232                } else {
233                    CHECK_EQ(res, 'b');
234                    gReproduceBug = x;
235                }
236                break;
237            }
238
239            case 'p':
240            {
241                dumpProfiles = true;
242                break;
243            }
244
245            case '?':
246            case 'h':
247            default:
248            {
249                usage(argv[0]);
250                exit(1);
251                break;
252            }
253        }
254    }
255
256    argc -= optind;
257    argv += optind;
258
259    if (dumpProfiles) {
260        sp<IServiceManager> sm = defaultServiceManager();
261        sp<IBinder> binder = sm->getService(String16("media.player"));
262        sp<IMediaPlayerService> service =
263            interface_cast<IMediaPlayerService>(binder);
264
265        CHECK(service.get() != NULL);
266
267        sp<IOMX> omx = service->createOMX();
268        CHECK(omx.get() != NULL);
269
270        const char *kMimeTypes[] = {
271            MEDIA_MIMETYPE_VIDEO_AVC, MEDIA_MIMETYPE_VIDEO_MPEG4,
272            MEDIA_MIMETYPE_VIDEO_H263
273        };
274
275        for (size_t k = 0; k < sizeof(kMimeTypes) / sizeof(kMimeTypes[0]);
276             ++k) {
277            printf("type '%s':\n", kMimeTypes[k]);
278
279            Vector<CodecCapabilities> results;
280            CHECK_EQ(QueryCodecs(omx, kMimeTypes[k],
281                                 true, // queryDecoders
282                                 &results), OK);
283
284            for (size_t i = 0; i < results.size(); ++i) {
285                printf("  decoder '%s' supports ",
286                       results[i].mComponentName.string());
287
288                if (results[i].mProfileLevels.size() == 0) {
289                    printf("NOTHING.\n");
290                    continue;
291                }
292
293                for (size_t j = 0; j < results[i].mProfileLevels.size(); ++j) {
294                    const CodecProfileLevel &profileLevel =
295                        results[i].mProfileLevels[j];
296
297                    printf("%s%ld/%ld", j > 0 ? ", " : "",
298                           profileLevel.mProfile, profileLevel.mLevel);
299                }
300
301                printf("\n");
302            }
303        }
304    }
305
306    if (listComponents) {
307        sp<IServiceManager> sm = defaultServiceManager();
308        sp<IBinder> binder = sm->getService(String16("media.player"));
309        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
310
311        CHECK(service.get() != NULL);
312
313        sp<IOMX> omx = service->createOMX();
314        CHECK(omx.get() != NULL);
315
316        List<String8> list;
317        omx->list_nodes(&list);
318
319        for (List<String8>::iterator it = list.begin();
320             it != list.end(); ++it) {
321            printf("%s\n", (*it).string());
322        }
323    }
324
325    DataSource::RegisterDefaultSniffers();
326
327    OMXClient client;
328    status_t err = client.connect();
329
330    for (int k = 0; k < argc; ++k) {
331        const char *filename = argv[k];
332
333        sp<DataSource> dataSource;
334        if (!strncasecmp("http://", filename, 7)) {
335            dataSource = new HTTPDataSource(filename);
336            dataSource = new CachingDataSource(dataSource, 64 * 1024, 10);
337        } else {
338            dataSource = new MmapSource(filename);
339        }
340
341        bool isJPEG = false;
342
343        size_t len = strlen(filename);
344        if (len >= 4 && !strcasecmp(filename + len - 4, ".jpg")) {
345            isJPEG = true;
346        }
347
348        sp<MediaSource> mediaSource;
349
350        if (isJPEG) {
351            mediaSource = new JPEGSource(dataSource);
352        } else {
353            sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
354
355            size_t numTracks = extractor->countTracks();
356
357            sp<MetaData> meta;
358            size_t i;
359            for (i = 0; i < numTracks; ++i) {
360                meta = extractor->getTrackMetaData(i);
361
362                const char *mime;
363                meta->findCString(kKeyMIMEType, &mime);
364
365                if (audioOnly && !strncasecmp(mime, "audio/", 6)) {
366                    break;
367                }
368
369                if (!audioOnly && !strncasecmp(mime, "video/", 6)) {
370                    break;
371                }
372            }
373
374            mediaSource = extractor->getTrack(i);
375        }
376
377        playSource(&client, mediaSource);
378    }
379
380    client.disconnect();
381
382    return 0;
383}
384