sf2.cpp revision f5e376fb8f2c30f82b7548241ca6b24f92ff8914 
1/*
2 * Copyright (C) 2010 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//#define LOG_NDEBUG 0
18#define LOG_TAG "sf2"
19#include <utils/Log.h>
20
21#include <binder/ProcessState.h>
22
23#include <media/stagefright/foundation/hexdump.h>
24#include <media/stagefright/foundation/ABuffer.h>
25#include <media/stagefright/foundation/ADebug.h>
26#include <media/stagefright/foundation/ALooper.h>
27#include <media/stagefright/foundation/AMessage.h>
28
29#include <media/stagefright/ACodec.h>
30#include <media/stagefright/DataSource.h>
31#include <media/stagefright/MediaBuffer.h>
32#include <media/stagefright/MediaDefs.h>
33#include <media/stagefright/MediaExtractor.h>
34#include <media/stagefright/MediaSource.h>
35#include <media/stagefright/MetaData.h>
36#include <media/stagefright/NativeWindowWrapper.h>
37#include <media/stagefright/Utils.h>
38
39#include <gui/SurfaceComposerClient.h>
40
41#include "include/ESDS.h"
42
43using namespace android;
44
45struct Controller : public AHandler {
46    Controller(const char *uri, bool decodeAudio,
47               const sp<Surface> &surface, bool renderToSurface)
48        : mURI(uri),
49          mDecodeAudio(decodeAudio),
50          mSurface(surface),
51          mRenderToSurface(renderToSurface),
52          mCodec(new ACodec),
53          mIsVorbis(false) {
54        CHECK(!mDecodeAudio || mSurface == NULL);
55    }
56
57    void startAsync() {
58        (new AMessage(kWhatStart, id()))->post();
59    }
60
61protected:
62    virtual ~Controller() {
63    }
64
65    virtual void onMessageReceived(const sp<AMessage> &msg) {
66        switch (msg->what()) {
67            case kWhatStart:
68            {
69#if 1
70                mDecodeLooper = looper();
71#else
72                mDecodeLooper = new ALooper;
73                mDecodeLooper->setName("sf2 decode looper");
74                mDecodeLooper->start();
75#endif
76
77                sp<DataSource> dataSource =
78                    DataSource::CreateFromURI(mURI.c_str());
79
80                sp<MediaExtractor> extractor =
81                    MediaExtractor::Create(dataSource);
82
83                for (size_t i = 0; i < extractor->countTracks(); ++i) {
84                    sp<MetaData> meta = extractor->getTrackMetaData(i);
85
86                    const char *mime;
87                    CHECK(meta->findCString(kKeyMIMEType, &mime));
88
89                    if (!strncasecmp(mDecodeAudio ? "audio/" : "video/",
90                                     mime, 6)) {
91                        mSource = extractor->getTrack(i);
92
93                        if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
94                            mIsVorbis = true;
95                        } else {
96                            mIsVorbis = false;
97                        }
98                        break;
99                    }
100                }
101                CHECK(mSource != NULL);
102
103                CHECK_EQ(mSource->start(), (status_t)OK);
104
105                mDecodeLooper->registerHandler(mCodec);
106
107                mCodec->setNotificationMessage(
108                        new AMessage(kWhatCodecNotify, id()));
109
110                sp<AMessage> format = makeFormat(mSource->getFormat());
111
112                if (mSurface != NULL) {
113                    format->setObject(
114                            "native-window", new NativeWindowWrapper(mSurface));
115                }
116
117                mCodec->initiateSetup(format);
118
119                mCSDIndex = 0;
120                mStartTimeUs = ALooper::GetNowUs();
121                mNumOutputBuffersReceived = 0;
122                mTotalBytesReceived = 0;
123                mLeftOverBuffer = NULL;
124                mFinalResult = OK;
125                mSeekState = SEEK_NONE;
126
127                // (new AMessage(kWhatSeek, id()))->post(5000000ll);
128                break;
129            }
130
131            case kWhatSeek:
132            {
133                printf("+");
134                fflush(stdout);
135
136                CHECK(mSeekState == SEEK_NONE
137                        || mSeekState == SEEK_FLUSH_COMPLETED);
138
139                if (mLeftOverBuffer != NULL) {
140                    mLeftOverBuffer->release();
141                    mLeftOverBuffer = NULL;
142                }
143
144                mSeekState = SEEK_FLUSHING;
145                mSeekTimeUs = 30000000ll;
146
147                mCodec->signalFlush();
148                break;
149            }
150
151            case kWhatStop:
152            {
153                if (mLeftOverBuffer != NULL) {
154                    mLeftOverBuffer->release();
155                    mLeftOverBuffer = NULL;
156                }
157
158                CHECK_EQ(mSource->stop(), (status_t)OK);
159                mSource.clear();
160
161                mCodec->initiateShutdown();
162                break;
163            }
164
165            case kWhatCodecNotify:
166            {
167                int32_t what;
168                CHECK(msg->findInt32("what", &what));
169
170                if (what == ACodec::kWhatFillThisBuffer) {
171                    onFillThisBuffer(msg);
172                } else if (what == ACodec::kWhatDrainThisBuffer) {
173                    if ((mNumOutputBuffersReceived++ % 16) == 0) {
174                        printf(".");
175                        fflush(stdout);
176                    }
177
178                    onDrainThisBuffer(msg);
179                } else if (what == ACodec::kWhatEOS) {
180                    printf("$\n");
181
182                    int64_t delayUs = ALooper::GetNowUs() - mStartTimeUs;
183
184                    if (mDecodeAudio) {
185                        printf("%lld bytes received. %.2f KB/sec\n",
186                               mTotalBytesReceived,
187                               mTotalBytesReceived * 1E6 / 1024 / delayUs);
188                    } else {
189                        printf("%d frames decoded, %.2f fps. %lld bytes "
190                               "received. %.2f KB/sec\n",
191                               mNumOutputBuffersReceived,
192                               mNumOutputBuffersReceived * 1E6 / delayUs,
193                               mTotalBytesReceived,
194                               mTotalBytesReceived * 1E6 / 1024 / delayUs);
195                    }
196
197                    (new AMessage(kWhatStop, id()))->post();
198                } else if (what == ACodec::kWhatFlushCompleted) {
199                    mSeekState = SEEK_FLUSH_COMPLETED;
200                    mCodec->signalResume();
201
202                    (new AMessage(kWhatSeek, id()))->post(5000000ll);
203                } else if (what == ACodec::kWhatOutputFormatChanged) {
204                } else if (what == ACodec::kWhatShutdownCompleted) {
205                    mDecodeLooper->unregisterHandler(mCodec->id());
206
207                    if (mDecodeLooper != looper()) {
208                        mDecodeLooper->stop();
209                    }
210
211                    looper()->stop();
212                } else if (what == ACodec::kWhatError) {
213                    ALOGE("something went wrong, codec reported an error.");
214
215                    printf("E\n");
216
217                    (new AMessage(kWhatStop, id()))->post();
218                }
219                break;
220            }
221
222            default:
223                TRESPASS();
224                break;
225        }
226    }
227
228private:
229    enum {
230        kWhatStart             = 'strt',
231        kWhatStop              = 'stop',
232        kWhatCodecNotify       = 'noti',
233        kWhatSeek              = 'seek',
234    };
235
236    sp<ALooper> mDecodeLooper;
237
238    AString mURI;
239    bool mDecodeAudio;
240    sp<Surface> mSurface;
241    bool mRenderToSurface;
242    sp<ACodec> mCodec;
243    sp<MediaSource> mSource;
244    bool mIsVorbis;
245
246    Vector<sp<ABuffer> > mCSD;
247    size_t mCSDIndex;
248
249    MediaBuffer *mLeftOverBuffer;
250    status_t mFinalResult;
251
252    int64_t mStartTimeUs;
253    int32_t mNumOutputBuffersReceived;
254    int64_t mTotalBytesReceived;
255
256    enum SeekState {
257        SEEK_NONE,
258        SEEK_FLUSHING,
259        SEEK_FLUSH_COMPLETED,
260    };
261    SeekState mSeekState;
262    int64_t mSeekTimeUs;
263
264    sp<AMessage> makeFormat(const sp<MetaData> &meta) {
265        CHECK(mCSD.isEmpty());
266
267        const char *mime;
268        CHECK(meta->findCString(kKeyMIMEType, &mime));
269
270        sp<AMessage> msg = new AMessage;
271        msg->setString("mime", mime);
272
273        if (!strncasecmp("video/", mime, 6)) {
274            int32_t width, height;
275            CHECK(meta->findInt32(kKeyWidth, &width));
276            CHECK(meta->findInt32(kKeyHeight, &height));
277
278            msg->setInt32("width", width);
279            msg->setInt32("height", height);
280        } else {
281            CHECK(!strncasecmp("audio/", mime, 6));
282
283            int32_t numChannels, sampleRate;
284            CHECK(meta->findInt32(kKeyChannelCount, &numChannels));
285            CHECK(meta->findInt32(kKeySampleRate, &sampleRate));
286
287            msg->setInt32("channel-count", numChannels);
288            msg->setInt32("sample-rate", sampleRate);
289        }
290
291        uint32_t type;
292        const void *data;
293        size_t size;
294        if (meta->findData(kKeyAVCC, &type, &data, &size)) {
295            // Parse the AVCDecoderConfigurationRecord
296
297            const uint8_t *ptr = (const uint8_t *)data;
298
299            CHECK(size >= 7);
300            CHECK_EQ((unsigned)ptr[0], 1u);  // configurationVersion == 1
301            uint8_t profile = ptr[1];
302            uint8_t level = ptr[3];
303
304            // There is decodable content out there that fails the following
305            // assertion, let's be lenient for now...
306            // CHECK((ptr[4] >> 2) == 0x3f);  // reserved
307
308            size_t lengthSize = 1 + (ptr[4] & 3);
309
310            // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
311            // violates it...
312            // CHECK((ptr[5] >> 5) == 7);  // reserved
313
314            size_t numSeqParameterSets = ptr[5] & 31;
315
316            ptr += 6;
317            size -= 6;
318
319            sp<ABuffer> buffer = new ABuffer(1024);
320            buffer->setRange(0, 0);
321
322            for (size_t i = 0; i < numSeqParameterSets; ++i) {
323                CHECK(size >= 2);
324                size_t length = U16_AT(ptr);
325
326                ptr += 2;
327                size -= 2;
328
329                CHECK(size >= length);
330
331                memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4);
332                memcpy(buffer->data() + buffer->size() + 4, ptr, length);
333                buffer->setRange(0, buffer->size() + 4 + length);
334
335                ptr += length;
336                size -= length;
337            }
338
339            buffer->meta()->setInt32("csd", true);
340            mCSD.push(buffer);
341
342            buffer = new ABuffer(1024);
343            buffer->setRange(0, 0);
344
345            CHECK(size >= 1);
346            size_t numPictureParameterSets = *ptr;
347            ++ptr;
348            --size;
349
350            for (size_t i = 0; i < numPictureParameterSets; ++i) {
351                CHECK(size >= 2);
352                size_t length = U16_AT(ptr);
353
354                ptr += 2;
355                size -= 2;
356
357                CHECK(size >= length);
358
359                memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4);
360                memcpy(buffer->data() + buffer->size() + 4, ptr, length);
361                buffer->setRange(0, buffer->size() + 4 + length);
362
363                ptr += length;
364                size -= length;
365            }
366
367            buffer->meta()->setInt32("csd", true);
368            mCSD.push(buffer);
369
370            msg->setBuffer("csd", buffer);
371        } else if (meta->findData(kKeyESDS, &type, &data, &size)) {
372            ESDS esds((const char *)data, size);
373            CHECK_EQ(esds.InitCheck(), (status_t)OK);
374
375            const void *codec_specific_data;
376            size_t codec_specific_data_size;
377            esds.getCodecSpecificInfo(
378                    &codec_specific_data, &codec_specific_data_size);
379
380            sp<ABuffer> buffer = new ABuffer(codec_specific_data_size);
381
382            memcpy(buffer->data(), codec_specific_data,
383                   codec_specific_data_size);
384
385            buffer->meta()->setInt32("csd", true);
386            mCSD.push(buffer);
387        } else if (meta->findData(kKeyVorbisInfo, &type, &data, &size)) {
388            sp<ABuffer> buffer = new ABuffer(size);
389            memcpy(buffer->data(), data, size);
390
391            buffer->meta()->setInt32("csd", true);
392            mCSD.push(buffer);
393
394            CHECK(meta->findData(kKeyVorbisBooks, &type, &data, &size));
395
396            buffer = new ABuffer(size);
397            memcpy(buffer->data(), data, size);
398
399            buffer->meta()->setInt32("csd", true);
400            mCSD.push(buffer);
401        }
402
403        int32_t maxInputSize;
404        if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
405            msg->setInt32("max-input-size", maxInputSize);
406        }
407
408        return msg;
409    }
410
411    void onFillThisBuffer(const sp<AMessage> &msg) {
412        sp<AMessage> reply;
413        CHECK(msg->findMessage("reply", &reply));
414
415        if (mSeekState == SEEK_FLUSHING) {
416            reply->post();
417            return;
418        }
419
420        sp<ABuffer> outBuffer;
421        CHECK(msg->findBuffer("buffer", &outBuffer));
422
423        if (mCSDIndex < mCSD.size()) {
424            outBuffer = mCSD.editItemAt(mCSDIndex++);
425            outBuffer->meta()->setInt64("timeUs", 0);
426        } else {
427            size_t sizeLeft = outBuffer->capacity();
428            outBuffer->setRange(0, 0);
429
430            int32_t n = 0;
431
432            for (;;) {
433                MediaBuffer *inBuffer;
434
435                if (mLeftOverBuffer != NULL) {
436                    inBuffer = mLeftOverBuffer;
437                    mLeftOverBuffer = NULL;
438                } else if (mFinalResult != OK) {
439                    break;
440                } else {
441                    MediaSource::ReadOptions options;
442                    if (mSeekState == SEEK_FLUSH_COMPLETED) {
443                        options.setSeekTo(mSeekTimeUs);
444                        mSeekState = SEEK_NONE;
445                    }
446                    status_t err = mSource->read(&inBuffer, &options);
447
448                    if (err != OK) {
449                        mFinalResult = err;
450                        break;
451                    }
452                }
453
454                size_t sizeNeeded = inBuffer->range_length();
455                if (mIsVorbis) {
456                    // Vorbis data is suffixed with the number of
457                    // valid samples on the page.
458                    sizeNeeded += sizeof(int32_t);
459                }
460
461                if (sizeNeeded > sizeLeft) {
462                    if (outBuffer->size() == 0) {
463                        ALOGE("Unable to fit even a single input buffer of size %d.",
464                             sizeNeeded);
465                    }
466                    CHECK_GT(outBuffer->size(), 0u);
467
468                    mLeftOverBuffer = inBuffer;
469                    break;
470                }
471
472                ++n;
473
474                if (outBuffer->size() == 0) {
475                    int64_t timeUs;
476                    CHECK(inBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
477
478                    outBuffer->meta()->setInt64("timeUs", timeUs);
479                }
480
481                memcpy(outBuffer->data() + outBuffer->size(),
482                       (const uint8_t *)inBuffer->data()
483                        + inBuffer->range_offset(),
484                       inBuffer->range_length());
485
486                if (mIsVorbis) {
487                    int32_t numPageSamples;
488                    if (!inBuffer->meta_data()->findInt32(
489                                kKeyValidSamples, &numPageSamples)) {
490                        numPageSamples = -1;
491                    }
492
493                    memcpy(outBuffer->data()
494                            + outBuffer->size() + inBuffer->range_length(),
495                           &numPageSamples, sizeof(numPageSamples));
496                }
497
498                outBuffer->setRange(
499                        0, outBuffer->size() + sizeNeeded);
500
501                sizeLeft -= sizeNeeded;
502
503                inBuffer->release();
504                inBuffer = NULL;
505
506                break;  // Don't coalesce
507            }
508
509            ALOGV("coalesced %d input buffers", n);
510
511            if (outBuffer->size() == 0) {
512                CHECK_NE(mFinalResult, (status_t)OK);
513
514                reply->setInt32("err", mFinalResult);
515                reply->post();
516                return;
517            }
518        }
519
520        reply->setBuffer("buffer", outBuffer);
521        reply->post();
522    }
523
524    void onDrainThisBuffer(const sp<AMessage> &msg) {
525        sp<ABuffer> buffer;
526        CHECK(msg->findBuffer("buffer", &buffer));
527
528        mTotalBytesReceived += buffer->size();
529
530        sp<AMessage> reply;
531        CHECK(msg->findMessage("reply", &reply));
532
533        if (mRenderToSurface) {
534            reply->setInt32("render", 1);
535        }
536
537        reply->post();
538    }
539
540    DISALLOW_EVIL_CONSTRUCTORS(Controller);
541};
542
543static void usage(const char *me) {
544    fprintf(stderr, "usage: %s\n", me);
545    fprintf(stderr, "       -h(elp)\n");
546    fprintf(stderr, "       -a(udio)\n");
547
548    fprintf(stderr,
549            "       -S(urface) Allocate output buffers on a surface.\n"
550            "       -R(ender)  Render surface-allocated buffers.\n");
551}
552
553int main(int argc, char **argv) {
554    android::ProcessState::self()->startThreadPool();
555
556    bool decodeAudio = false;
557    bool useSurface = false;
558    bool renderToSurface = false;
559
560    int res;
561    while ((res = getopt(argc, argv, "haSR")) >= 0) {
562        switch (res) {
563            case 'a':
564                decodeAudio = true;
565                break;
566
567            case 'S':
568                useSurface = true;
569                break;
570
571            case 'R':
572                renderToSurface = true;
573                break;
574
575            case '?':
576            case 'h':
577            default:
578            {
579                usage(argv[0]);
580                return 1;
581            }
582        }
583    }
584
585    argc -= optind;
586    argv += optind;
587
588    if (argc != 1) {
589        usage(argv[-optind]);
590        return 1;
591    }
592
593    DataSource::RegisterDefaultSniffers();
594
595    sp<ALooper> looper = new ALooper;
596    looper->setName("sf2");
597
598    sp<SurfaceComposerClient> composerClient;
599    sp<SurfaceControl> control;
600    sp<Surface> surface;
601
602    if (!decodeAudio && useSurface) {
603        composerClient = new SurfaceComposerClient;
604        CHECK_EQ(composerClient->initCheck(), (status_t)OK);
605
606        control = composerClient->createSurface(
607                String8("A Surface"),
608                0,
609                1280,
610                800,
611                PIXEL_FORMAT_RGB_565,
612                0);
613
614        CHECK(control != NULL);
615        CHECK(control->isValid());
616
617        SurfaceComposerClient::openGlobalTransaction();
618        CHECK_EQ(control->setLayer(INT_MAX), (status_t)OK);
619        CHECK_EQ(control->show(), (status_t)OK);
620        SurfaceComposerClient::closeGlobalTransaction();
621
622        surface = control->getSurface();
623        CHECK(surface != NULL);
624
625        CHECK_EQ((status_t)OK,
626                 native_window_api_connect(
627                     surface.get(), NATIVE_WINDOW_API_MEDIA));
628    }
629
630    sp<Controller> controller =
631        new Controller(argv[0], decodeAudio, surface, renderToSurface);
632
633    looper->registerHandler(controller);
634
635    controller->startAsync();
636
637    CHECK_EQ(looper->start(true /* runOnCallingThread */), (status_t)OK);
638
639    looper->unregisterHandler(controller->id());
640
641    if (!decodeAudio && useSurface) {
642        CHECK_EQ((status_t)OK,
643                 native_window_api_disconnect(
644                     surface.get(), NATIVE_WINDOW_API_MEDIA));
645
646        composerClient->dispose();
647    }
648
649    return 0;
650}
651
652