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 //#define LOG_NDEBUG 0
18 #define LOG_TAG "OMXHarness"
19 #include <inttypes.h>
20 #include <android-base/macros.h>
21 #include <utils/Log.h>
22 
23 #include "OMXHarness.h"
24 
25 #include <sys/time.h>
26 
27 #include <binder/ProcessState.h>
28 #include <binder/IServiceManager.h>
29 #include <cutils/properties.h>
30 #include <datasource/DataSourceFactory.h>
31 #include <media/DataSource.h>
32 #include <media/IMediaHTTPService.h>
33 #include <media/MediaSource.h>
34 #include <media/OMXBuffer.h>
35 #include <media/stagefright/foundation/ADebug.h>
36 #include <media/stagefright/foundation/ALooper.h>
37 #include <media/stagefright/InterfaceUtils.h>
38 #include <media/stagefright/MediaBuffer.h>
39 #include <media/stagefright/MediaDefs.h>
40 #include <media/stagefright/MediaErrors.h>
41 #include <media/stagefright/MediaExtractorFactory.h>
42 #include <media/stagefright/MetaData.h>
43 #include <media/stagefright/OMXClient.h>
44 #include <media/stagefright/SimpleDecodingSource.h>
45 #include <system/window.h>
46 
47 #define DEFAULT_TIMEOUT         500000
48 
49 namespace android {
50 
51 /////////////////////////////////////////////////////////////////////
52 
53 struct Harness::CodecObserver : public BnOMXObserver {
CodecObserverandroid::Harness::CodecObserver54     CodecObserver(const sp<Harness> &harness, int32_t gen)
55             : mHarness(harness), mGeneration(gen) {}
56 
57     void onMessages(const std::list<omx_message> &messages) override;
58 
59 private:
60     sp<Harness> mHarness;
61     int32_t mGeneration;
62 };
63 
onMessages(const std::list<omx_message> & messages)64 void Harness::CodecObserver::onMessages(const std::list<omx_message> &messages) {
65     mHarness->handleMessages(mGeneration, messages);
66 }
67 
68 /////////////////////////////////////////////////////////////////////
69 
Harness()70 Harness::Harness()
71     : mInitCheck(NO_INIT) {
72     mInitCheck = initOMX();
73 }
74 
~Harness()75 Harness::~Harness() {
76 }
77 
initCheck() const78 status_t Harness::initCheck() const {
79     return mInitCheck;
80 }
81 
initOMX()82 status_t Harness::initOMX() {
83     OMXClient client;
84     if (client.connect() != OK) {
85         ALOGE("Failed to connect to OMX to create persistent input surface.");
86         return NO_INIT;
87     }
88 
89     mOMX = client.interface();
90 
91     return mOMX != 0 ? OK : NO_INIT;
92 }
93 
handleMessages(int32_t gen,const std::list<omx_message> & messages)94 void Harness::handleMessages(int32_t gen, const std::list<omx_message> &messages) {
95     Mutex::Autolock autoLock(mLock);
96     for (std::list<omx_message>::const_iterator it = messages.cbegin(); it != messages.cend(); ) {
97         mMessageQueue.push_back(*it++);
98         mLastMsgGeneration = gen;
99     }
100     mMessageAddedCondition.signal();
101 }
102 
dequeueMessageForNode(omx_message * msg,int64_t timeoutUs)103 status_t Harness::dequeueMessageForNode(omx_message *msg, int64_t timeoutUs) {
104     return dequeueMessageForNodeIgnoringBuffers(NULL, NULL, msg, timeoutUs);
105 }
106 
107 // static
handleBufferMessage(const omx_message & msg,Vector<Buffer> * inputBuffers,Vector<Buffer> * outputBuffers)108 bool Harness::handleBufferMessage(
109         const omx_message &msg,
110         Vector<Buffer> *inputBuffers,
111         Vector<Buffer> *outputBuffers) {
112     switch (msg.type) {
113         case omx_message::EMPTY_BUFFER_DONE:
114         {
115             if (inputBuffers) {
116                 for (size_t i = 0; i < inputBuffers->size(); ++i) {
117                     if ((*inputBuffers)[i].mID == msg.u.buffer_data.buffer) {
118                         inputBuffers->editItemAt(i).mFlags &= ~kBufferBusy;
119                         return true;
120                     }
121                 }
122                 CHECK(!"should not be here");
123             }
124             break;
125         }
126 
127         case omx_message::FILL_BUFFER_DONE:
128         {
129             if (outputBuffers) {
130                 for (size_t i = 0; i < outputBuffers->size(); ++i) {
131                     if ((*outputBuffers)[i].mID == msg.u.buffer_data.buffer) {
132                         outputBuffers->editItemAt(i).mFlags &= ~kBufferBusy;
133                         return true;
134                     }
135                 }
136                 CHECK(!"should not be here");
137             }
138             break;
139         }
140 
141         default:
142             break;
143     }
144 
145     return false;
146 }
147 
dequeueMessageForNodeIgnoringBuffers(Vector<Buffer> * inputBuffers,Vector<Buffer> * outputBuffers,omx_message * msg,int64_t timeoutUs)148 status_t Harness::dequeueMessageForNodeIgnoringBuffers(
149         Vector<Buffer> *inputBuffers,
150         Vector<Buffer> *outputBuffers,
151         omx_message *msg, int64_t timeoutUs) {
152     int64_t finishBy = ALooper::GetNowUs() + timeoutUs;
153 
154     for (;;) {
155         Mutex::Autolock autoLock(mLock);
156         // Messages are queued in batches, if the last batch queued is
157         // from a node that already expired, discard those messages.
158         if (mLastMsgGeneration < mCurGeneration) {
159             mMessageQueue.clear();
160         }
161         List<omx_message>::iterator it = mMessageQueue.begin();
162         while (it != mMessageQueue.end()) {
163             if (handleBufferMessage(*it, inputBuffers, outputBuffers)) {
164                 it = mMessageQueue.erase(it);
165                 continue;
166             }
167 
168             *msg = *it;
169             mMessageQueue.erase(it);
170 
171             return OK;
172         }
173 
174         status_t err = (timeoutUs < 0)
175             ? mMessageAddedCondition.wait(mLock)
176             : mMessageAddedCondition.waitRelative(
177                     mLock, (finishBy - ALooper::GetNowUs()) * 1000);
178 
179         if (err == TIMED_OUT) {
180             return err;
181         }
182         CHECK_EQ(err, (status_t)OK);
183     }
184 }
185 
getPortDefinition(OMX_U32 portIndex,OMX_PARAM_PORTDEFINITIONTYPE * def)186 status_t Harness::getPortDefinition(
187         OMX_U32 portIndex, OMX_PARAM_PORTDEFINITIONTYPE *def) {
188     def->nSize = sizeof(*def);
189     def->nVersion.s.nVersionMajor = 1;
190     def->nVersion.s.nVersionMinor = 0;
191     def->nVersion.s.nRevision = 0;
192     def->nVersion.s.nStep = 0;
193     def->nPortIndex = portIndex;
194     return mOMXNode->getParameter(
195             OMX_IndexParamPortDefinition, def, sizeof(*def));
196 }
197 
198 #define EXPECT(condition, info) \
199     if (!(condition)) {         \
200         ALOGE(info); printf("\n  * " info "\n"); return UNKNOWN_ERROR; \
201     }
202 
203 #define EXPECT_SUCCESS(err, info) \
204     EXPECT((err) == OK, info " failed")
205 
allocatePortBuffers(OMX_U32 portIndex,Vector<Buffer> * buffers)206 status_t Harness::allocatePortBuffers(
207         OMX_U32 portIndex, Vector<Buffer> *buffers) {
208     buffers->clear();
209 
210     OMX_PARAM_PORTDEFINITIONTYPE def;
211     status_t err = getPortDefinition(portIndex, &def);
212     EXPECT_SUCCESS(err, "getPortDefinition");
213 
214     for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
215         Buffer buffer;
216         buffer.mFlags = 0;
217         bool success;
218         auto transStatus = mAllocator->allocate(def.nBufferSize,
219                 [&success, &buffer](
220                         bool s,
221                         hidl_memory const& m) {
222                     success = s;
223                     buffer.mHidlMemory = m;
224                 });
225         EXPECT(transStatus.isOk(),
226                 "Cannot call allocator");
227         EXPECT(success,
228                 "Cannot allocate memory");
229         err = mOMXNode->useBuffer(portIndex, buffer.mHidlMemory, &buffer.mID);
230 
231         EXPECT_SUCCESS(err, "useBuffer");
232 
233         buffers->push(buffer);
234     }
235 
236     return OK;
237 }
238 
setRole(const char * role)239 status_t Harness::setRole(const char *role) {
240     OMX_PARAM_COMPONENTROLETYPE params;
241     params.nSize = sizeof(params);
242     params.nVersion.s.nVersionMajor = 1;
243     params.nVersion.s.nVersionMinor = 0;
244     params.nVersion.s.nRevision = 0;
245     params.nVersion.s.nStep = 0;
246     strncpy((char *)params.cRole, role, OMX_MAX_STRINGNAME_SIZE - 1);
247     params.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
248 
249     return mOMXNode->setParameter(
250             OMX_IndexParamStandardComponentRole,
251             &params, sizeof(params));
252 }
253 
254 struct NodeReaper {
NodeReaperandroid::NodeReaper255     NodeReaper(const sp<Harness> &harness, const sp<IOMXNode> &omxNode)
256         : mHarness(harness),
257           mOMXNode(omxNode) {
258     }
259 
~NodeReaperandroid::NodeReaper260     ~NodeReaper() {
261         if (mOMXNode != 0) {
262             mOMXNode->freeNode();
263             mOMXNode = NULL;
264         }
265     }
266 
disarmandroid::NodeReaper267     void disarm() {
268         mOMXNode = NULL;
269     }
270 
271 private:
272     sp<Harness> mHarness;
273     sp<IOMXNode> mOMXNode;
274 
275     NodeReaper(const NodeReaper &);
276     NodeReaper &operator=(const NodeReaper &);
277 };
278 
CreateExtractorFromURI(const char * uri)279 static sp<IMediaExtractor> CreateExtractorFromURI(const char *uri) {
280     sp<DataSource> source =
281         DataSourceFactory::getInstance()->CreateFromURI(NULL /* httpService */, uri);
282 
283     if (source == NULL) {
284         return NULL;
285     }
286 
287     return MediaExtractorFactory::Create(source);
288 }
289 
testStateTransitions(const char * componentName,const char * componentRole)290 status_t Harness::testStateTransitions(
291         const char *componentName, const char *componentRole) {
292     if (strncmp(componentName, "OMX.", 4)) {
293         // Non-OMX components, i.e. software decoders won't execute this
294         // test.
295         return OK;
296     }
297 
298     mAllocator = IAllocator::getService("ashmem");
299     EXPECT(mAllocator != nullptr,
300             "Cannot obtain hidl AshmemAllocator");
301     // TODO: When Treble has MemoryHeap/MemoryDealer, we should specify the heap
302     // size to be 16 * 1024 * 1024.
303 
304     sp<CodecObserver> observer = new CodecObserver(this, ++mCurGeneration);
305 
306     status_t err = mOMX->allocateNode(componentName, observer, &mOMXNode);
307     EXPECT_SUCCESS(err, "allocateNode");
308 
309     NodeReaper reaper(this, mOMXNode);
310 
311     err = setRole(componentRole);
312     EXPECT_SUCCESS(err, "setRole");
313 
314     // Initiate transition Loaded->Idle
315     err = mOMXNode->sendCommand(OMX_CommandStateSet, OMX_StateIdle);
316     EXPECT_SUCCESS(err, "sendCommand(go-to-Idle)");
317 
318     omx_message msg;
319     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
320     // Make sure node doesn't just transition to idle before we are done
321     // allocating all input and output buffers.
322     EXPECT(err == TIMED_OUT,
323             "Component must not transition from loaded to idle before "
324             "all input and output buffers are allocated.");
325 
326     // Now allocate buffers.
327     Vector<Buffer> inputBuffers;
328     err = allocatePortBuffers(0, &inputBuffers);
329     EXPECT_SUCCESS(err, "allocatePortBuffers(input)");
330 
331     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
332     CHECK_EQ(err, (status_t)TIMED_OUT);
333 
334     Vector<Buffer> outputBuffers;
335     err = allocatePortBuffers(1, &outputBuffers);
336     EXPECT_SUCCESS(err, "allocatePortBuffers(output)");
337 
338     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
339     EXPECT(err == OK
340             && msg.type == omx_message::EVENT
341             && msg.u.event_data.event == OMX_EventCmdComplete
342             && msg.u.event_data.data1 == OMX_CommandStateSet
343             && msg.u.event_data.data2 == OMX_StateIdle,
344            "Component did not properly transition to idle state "
345            "after all input and output buffers were allocated.");
346 
347     // Initiate transition Idle->Executing
348     err = mOMXNode->sendCommand(OMX_CommandStateSet, OMX_StateExecuting);
349     EXPECT_SUCCESS(err, "sendCommand(go-to-Executing)");
350 
351     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
352     EXPECT(err == OK
353             && msg.type == omx_message::EVENT
354             && msg.u.event_data.event == OMX_EventCmdComplete
355             && msg.u.event_data.data1 == OMX_CommandStateSet
356             && msg.u.event_data.data2 == OMX_StateExecuting,
357            "Component did not properly transition from idle to "
358            "executing state.");
359 
360     for (size_t i = 0; i < outputBuffers.size(); ++i) {
361         err = mOMXNode->fillBuffer(outputBuffers[i].mID, OMXBuffer::sPreset);
362         EXPECT_SUCCESS(err, "fillBuffer");
363 
364         outputBuffers.editItemAt(i).mFlags |= kBufferBusy;
365     }
366 
367     err = mOMXNode->sendCommand(OMX_CommandFlush, 1);
368     EXPECT_SUCCESS(err, "sendCommand(flush-output-port)");
369 
370     err = dequeueMessageForNodeIgnoringBuffers(
371             &inputBuffers, &outputBuffers, &msg, DEFAULT_TIMEOUT);
372     EXPECT(err == OK
373             && msg.type == omx_message::EVENT
374             && msg.u.event_data.event == OMX_EventCmdComplete
375             && msg.u.event_data.data1 == OMX_CommandFlush
376             && msg.u.event_data.data2 == 1,
377            "Component did not properly acknowledge flushing the output port.");
378 
379     for (size_t i = 0; i < outputBuffers.size(); ++i) {
380         EXPECT((outputBuffers[i].mFlags & kBufferBusy) == 0,
381                "Not all output buffers have been returned to us by the time "
382                "we received the flush-complete notification.");
383     }
384 
385     for (size_t i = 0; i < outputBuffers.size(); ++i) {
386         err = mOMXNode->fillBuffer(outputBuffers[i].mID, OMXBuffer::sPreset);
387         EXPECT_SUCCESS(err, "fillBuffer");
388 
389         outputBuffers.editItemAt(i).mFlags |= kBufferBusy;
390     }
391 
392     // Initiate transition Executing->Idle
393     err = mOMXNode->sendCommand(OMX_CommandStateSet, OMX_StateIdle);
394     EXPECT_SUCCESS(err, "sendCommand(go-to-Idle)");
395 
396     err = dequeueMessageForNodeIgnoringBuffers(
397             &inputBuffers, &outputBuffers, &msg, DEFAULT_TIMEOUT);
398     EXPECT(err == OK
399             && msg.type == omx_message::EVENT
400             && msg.u.event_data.event == OMX_EventCmdComplete
401             && msg.u.event_data.data1 == OMX_CommandStateSet
402             && msg.u.event_data.data2 == OMX_StateIdle,
403            "Component did not properly transition to from executing to "
404            "idle state.");
405 
406     for (size_t i = 0; i < inputBuffers.size(); ++i) {
407         EXPECT((inputBuffers[i].mFlags & kBufferBusy) == 0,
408                 "Not all input buffers have been returned to us by the "
409                 "time we received the transition-to-idle complete "
410                 "notification.");
411     }
412 
413     for (size_t i = 0; i < outputBuffers.size(); ++i) {
414         EXPECT((outputBuffers[i].mFlags & kBufferBusy) == 0,
415                 "Not all output buffers have been returned to us by the "
416                 "time we received the transition-to-idle complete "
417                 "notification.");
418     }
419 
420     // Initiate transition Idle->Loaded
421     err = mOMXNode->sendCommand(OMX_CommandStateSet, OMX_StateLoaded);
422     EXPECT_SUCCESS(err, "sendCommand(go-to-Loaded)");
423 
424     // Make sure node doesn't just transition to loaded before we are done
425     // freeing all input and output buffers.
426     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
427     CHECK_EQ(err, (status_t)TIMED_OUT);
428 
429     for (size_t i = 0; i < inputBuffers.size(); ++i) {
430         err = mOMXNode->freeBuffer(0, inputBuffers[i].mID);
431         EXPECT_SUCCESS(err, "freeBuffer");
432     }
433 
434     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
435     CHECK_EQ(err, (status_t)TIMED_OUT);
436 
437     for (size_t i = 0; i < outputBuffers.size(); ++i) {
438         err = mOMXNode->freeBuffer(1, outputBuffers[i].mID);
439         EXPECT_SUCCESS(err, "freeBuffer");
440     }
441 
442     err = dequeueMessageForNode(&msg, DEFAULT_TIMEOUT);
443     EXPECT(err == OK
444             && msg.type == omx_message::EVENT
445             && msg.u.event_data.event == OMX_EventCmdComplete
446             && msg.u.event_data.data1 == OMX_CommandStateSet
447             && msg.u.event_data.data2 == OMX_StateLoaded,
448            "Component did not properly transition to from idle to "
449            "loaded state after freeing all input and output buffers.");
450 
451     err = mOMXNode->freeNode();
452     EXPECT_SUCCESS(err, "freeNode");
453 
454     reaper.disarm();
455 
456     mOMXNode = NULL;
457 
458     return OK;
459 }
460 
GetMimeFromComponentRole(const char * componentRole)461 static const char *GetMimeFromComponentRole(const char *componentRole) {
462     struct RoleToMime {
463         const char *mRole;
464         const char *mMime;
465     };
466     const RoleToMime kRoleToMime[] = {
467         { "video_decoder.avc", "video/avc" },
468         { "video_decoder.mpeg4", "video/mp4v-es" },
469         { "video_decoder.h263", "video/3gpp" },
470         { "video_decoder.vp8", "video/x-vnd.on2.vp8" },
471         { "video_decoder.vp9", "video/x-vnd.on2.vp9" },
472 
473         // we appear to use this as a synonym to amrnb.
474         { "audio_decoder.amr", "audio/3gpp" },
475 
476         { "audio_decoder.amrnb", "audio/3gpp" },
477         { "audio_decoder.amrwb", "audio/amr-wb" },
478         { "audio_decoder.aac", "audio/mp4a-latm" },
479         { "audio_decoder.mp3", "audio/mpeg" },
480         { "audio_decoder.vorbis", "audio/vorbis" },
481         { "audio_decoder.opus", "audio/opus" },
482         { "audio_decoder.g711alaw", MEDIA_MIMETYPE_AUDIO_G711_ALAW },
483         { "audio_decoder.g711mlaw", MEDIA_MIMETYPE_AUDIO_G711_MLAW },
484     };
485 
486     for (size_t i = 0; i < sizeof(kRoleToMime) / sizeof(kRoleToMime[0]); ++i) {
487         if (!strcmp(componentRole, kRoleToMime[i].mRole)) {
488             return kRoleToMime[i].mMime;
489         }
490     }
491 
492     return NULL;
493 }
494 
GetURLForMime(const char * mime)495 static const char *GetURLForMime(const char *mime) {
496     struct MimeToURL {
497         const char *mMime;
498         const char *mURL;
499     };
500     static const MimeToURL kMimeToURL[] = {
501         { "video/avc",
502           "file:///sdcard/media_api/video/H264_500_AAC_128.3gp" },
503         { "video/mp4v-es", "file:///sdcard/media_api/video/MPEG4_320_AAC_64.mp4" },
504         { "video/3gpp",
505           "file:///sdcard/media_api/video/H263_500_AMRNB_12.3gp" },
506         { "audio/3gpp",
507           "file:///sdcard/media_api/video/H263_500_AMRNB_12.3gp" },
508         { "audio/amr-wb", NULL },
509         { "audio/mp4a-latm",
510           "file:///sdcard/media_api/video/H263_56_AAC_24.3gp" },
511         { "audio/mpeg",
512           "file:///sdcard/media_api/music/MP3_48KHz_128kbps_s_1_17_CBR.mp3" },
513         { "audio/vorbis", NULL },
514         { "audio/opus", NULL },
515         { "video/x-vnd.on2.vp8",
516           "file:///sdcard/media_api/video/big-buck-bunny_trailer.webm" },
517         { MEDIA_MIMETYPE_AUDIO_G711_ALAW, "file:///sdcard/M1F1-Alaw-AFsp.wav" },
518         { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
519           "file:///sdcard/M1F1-mulaw-AFsp.wav" },
520     };
521 
522     for (size_t i = 0; i < sizeof(kMimeToURL) / sizeof(kMimeToURL[0]); ++i) {
523         if (!strcasecmp(kMimeToURL[i].mMime, mime)) {
524             return kMimeToURL[i].mURL;
525         }
526     }
527 
528     return NULL;
529 }
530 
CreateSourceForMime(const char * mime)531 static sp<MediaSource> CreateSourceForMime(const char *mime) {
532     const char *url = GetURLForMime(mime);
533 
534     if (url == NULL) {
535         return NULL;
536     }
537 
538     sp<IMediaExtractor> extractor = CreateExtractorFromURI(url);
539 
540     if (extractor == NULL) {
541         return NULL;
542     }
543 
544     for (size_t i = 0; i < extractor->countTracks(); ++i) {
545         sp<MetaData> meta = extractor->getTrackMetaData(i);
546         CHECK(meta != NULL);
547 
548         const char *trackMime;
549         CHECK(meta->findCString(kKeyMIMEType, &trackMime));
550 
551         if (!strcasecmp(mime, trackMime)) {
552             return CreateMediaSourceFromIMediaSource(extractor->getTrack(i));
553         }
554     }
555 
556     return NULL;
557 }
558 
uniform_rand()559 static double uniform_rand() {
560     return (double)rand() / RAND_MAX;
561 }
562 
CloseEnough(int64_t time1Us,int64_t time2Us)563 static bool CloseEnough(int64_t time1Us, int64_t time2Us) {
564 #if 0
565     int64_t diff = time1Us - time2Us;
566     if (diff < 0) {
567         diff = -diff;
568     }
569 
570     return diff <= 50000;
571 #else
572     return time1Us == time2Us;
573 #endif
574 }
575 
testSeek(const char * componentName,const char * componentRole)576 status_t Harness::testSeek(
577         const char *componentName, const char *componentRole) {
578     bool isEncoder =
579         !strncmp(componentRole, "audio_encoder.", 14)
580         || !strncmp(componentRole, "video_encoder.", 14);
581 
582     if (isEncoder) {
583         // Not testing seek behaviour for encoders.
584 
585         printf("  * Not testing seek functionality for encoders.\n");
586         return OK;
587     }
588 
589     const char *mime = GetMimeFromComponentRole(componentRole);
590 
591     if (!mime) {
592         printf("  * Cannot perform seek test with this componentRole (%s)\n",
593                componentRole);
594 
595         return OK;
596     }
597 
598     sp<MediaSource> source = CreateSourceForMime(mime);
599 
600     if (source == NULL) {
601         printf("  * Unable to open test content for type '%s', "
602                "skipping test of componentRole %s\n",
603                mime, componentRole);
604 
605         return OK;
606     }
607 
608     sp<MediaSource> seekSource = CreateSourceForMime(mime);
609     if (source == NULL || seekSource == NULL) {
610         return UNKNOWN_ERROR;
611     }
612 
613     CHECK_EQ(seekSource->start(), (status_t)OK);
614 
615     sp<MediaSource> codec = SimpleDecodingSource::Create(
616             source, 0 /* flags */, NULL /* nativeWindow */, componentName);
617 
618     CHECK(codec != NULL);
619 
620     CHECK_EQ(codec->start(), (status_t)OK);
621 
622     int64_t durationUs;
623     CHECK(source->getFormat()->findInt64(kKeyDuration, &durationUs));
624 
625     ALOGI("stream duration is %lld us (%.2f secs)",
626          durationUs, durationUs / 1E6);
627 
628     static const int32_t kNumIterations = 5000;
629 
630     // We are always going to seek beyond EOS in the first iteration (i == 0)
631     // followed by a linear read for the second iteration (i == 1).
632     // After that it's all random.
633     for (int32_t i = 0; i < kNumIterations; ++i) {
634         int64_t requestedSeekTimeUs;
635         int64_t actualSeekTimeUs;
636         MediaSource::ReadOptions options;
637 
638         double r = uniform_rand();
639 
640         if ((i == 1) || (i > 0 && r < 0.5)) {
641             // 50% chance of just continuing to decode from last position.
642 
643             requestedSeekTimeUs = -1;
644 
645             ALOGI("requesting linear read");
646         } else {
647             if (i == 0 || r < 0.55) {
648                 // 5% chance of seeking beyond end of stream.
649 
650                 requestedSeekTimeUs = durationUs;
651 
652                 ALOGI("requesting seek beyond EOF");
653             } else {
654                 requestedSeekTimeUs =
655                     (int64_t)(uniform_rand() * durationUs);
656 
657                 ALOGI("requesting seek to %lld us (%.2f secs)",
658                      requestedSeekTimeUs, requestedSeekTimeUs / 1E6);
659             }
660 
661             MediaBufferBase *buffer = NULL;
662             options.setSeekTo(
663                     requestedSeekTimeUs, MediaSource::ReadOptions::SEEK_NEXT_SYNC);
664 
665             if (seekSource->read(&buffer, &options) != OK) {
666                 CHECK(buffer == NULL);
667                 actualSeekTimeUs = -1;
668             } else {
669                 CHECK(buffer != NULL);
670                 CHECK(buffer->meta_data().findInt64(kKeyTime, &actualSeekTimeUs));
671                 CHECK(actualSeekTimeUs >= 0);
672 
673                 buffer->release();
674                 buffer = NULL;
675             }
676 
677             ALOGI("nearest keyframe is at %lld us (%.2f secs)",
678                  actualSeekTimeUs, actualSeekTimeUs / 1E6);
679         }
680 
681         status_t err;
682         MediaBufferBase *buffer;
683         for (;;) {
684             err = codec->read(&buffer, &options);
685             options.clearSeekTo();
686             if (err == INFO_FORMAT_CHANGED) {
687                 CHECK(buffer == NULL);
688                 continue;
689             }
690             if (err == OK) {
691                 CHECK(buffer != NULL);
692                 if (buffer->range_length() == 0) {
693                     buffer->release();
694                     buffer = NULL;
695                     continue;
696                 }
697             } else {
698                 CHECK(buffer == NULL);
699             }
700 
701             break;
702         }
703 
704         if (requestedSeekTimeUs < 0) {
705             // Linear read.
706             if (err != OK) {
707                 CHECK(buffer == NULL);
708             } else {
709                 CHECK(buffer != NULL);
710                 buffer->release();
711                 buffer = NULL;
712             }
713         } else if (actualSeekTimeUs < 0) {
714             EXPECT(err != OK,
715                    "We attempted to seek beyond EOS and expected "
716                    "ERROR_END_OF_STREAM to be returned, but instead "
717                    "we got a valid buffer.");
718             EXPECT(err == ERROR_END_OF_STREAM,
719                    "We attempted to seek beyond EOS and expected "
720                    "ERROR_END_OF_STREAM to be returned, but instead "
721                    "we found some other error.");
722             CHECK_EQ(err, (status_t)ERROR_END_OF_STREAM);
723             CHECK(buffer == NULL);
724         } else {
725             EXPECT(err == OK,
726                    "Expected a valid buffer to be returned from "
727                    "OMXCodec::read.");
728             CHECK(buffer != NULL);
729 
730             int64_t bufferTimeUs;
731             CHECK(buffer->meta_data().findInt64(kKeyTime, &bufferTimeUs));
732             if (!CloseEnough(bufferTimeUs, actualSeekTimeUs)) {
733                 printf("\n  * Attempted seeking to %" PRId64 " us (%.2f secs)",
734                        requestedSeekTimeUs, requestedSeekTimeUs / 1E6);
735                 printf("\n  * Nearest keyframe is at %" PRId64 " us (%.2f secs)",
736                        actualSeekTimeUs, actualSeekTimeUs / 1E6);
737                 printf("\n  * Returned buffer was at %" PRId64 " us (%.2f secs)\n\n",
738                        bufferTimeUs, bufferTimeUs / 1E6);
739 
740                 buffer->release();
741                 buffer = NULL;
742 
743                 CHECK_EQ(codec->stop(), (status_t)OK);
744 
745                 return UNKNOWN_ERROR;
746             }
747 
748             buffer->release();
749             buffer = NULL;
750         }
751     }
752 
753     CHECK_EQ(codec->stop(), (status_t)OK);
754 
755     return OK;
756 }
757 
test(const char * componentName,const char * componentRole)758 status_t Harness::test(
759         const char *componentName, const char *componentRole) {
760     printf("testing %s [%s] ... ", componentName, componentRole);
761     ALOGI("testing %s [%s].", componentName, componentRole);
762 
763     status_t err1 = testStateTransitions(componentName, componentRole);
764     status_t err2 = testSeek(componentName, componentRole);
765 
766     if (err1 != OK) {
767         return err1;
768     }
769 
770     return err2;
771 }
772 
testAll()773 status_t Harness::testAll() {
774     List<IOMX::ComponentInfo> componentInfos;
775     status_t err = mOMX->listNodes(&componentInfos);
776     EXPECT_SUCCESS(err, "listNodes");
777 
778     for (List<IOMX::ComponentInfo>::iterator it = componentInfos.begin();
779          it != componentInfos.end(); ++it) {
780         const IOMX::ComponentInfo &info = *it;
781         const char *componentName = info.mName.string();
782 
783         if (strncmp(componentName, "OMX.google.", 11)) {
784             continue;
785         }
786 
787         for (List<String8>::const_iterator role_it = info.mRoles.begin();
788              role_it != info.mRoles.end(); ++role_it) {
789             const char *componentRole = (*role_it).string();
790 
791             err = test(componentName, componentRole);
792 
793             if (err == OK) {
794                 printf("OK\n");
795             }
796         }
797     }
798 
799     return OK;
800 }
801 
802 }  // namespace android
803 
usage(const char * me)804 static void usage(const char *me) {
805     fprintf(stderr, "usage: %s\n"
806                     "  -h(elp)  Show this information\n"
807                     "  -s(eed)  Set the random seed\n"
808                     "    [ component role ]\n\n"
809                     "When launched without specifying a specific component "
810                     "and role, tool will test all available OMX components "
811                     "in all their supported roles. To determine available "
812                     "component names, use \"stagefright -l\"\n"
813                     "It's also a good idea to run a separate \"adb logcat\""
814                     " for additional debug and progress information.", me);
815 
816     exit(0);
817 }
818 
main(int argc,char ** argv)819 int main(int argc, char **argv) {
820     using namespace android;
821 
822     android::ProcessState::self()->startThreadPool();
823 
824     const char *me = argv[0];
825 
826     unsigned long seed = 0xdeadbeef;
827 
828     int res;
829     while ((res = getopt(argc, argv, "hs:")) >= 0) {
830         switch (res) {
831             case 's':
832             {
833                 char *end;
834                 unsigned long x = strtoul(optarg, &end, 10);
835 
836                 if (*end != '\0' || end == optarg) {
837                     fprintf(stderr, "Malformed seed.\n");
838                     return 1;
839                 }
840 
841                 seed = x;
842                 break;
843             }
844 
845             case '?':
846                 fprintf(stderr, "\n");
847                 FALLTHROUGH_INTENDED;
848 
849             case 'h':
850             default:
851             {
852                 usage(me);
853                 exit(1);
854                 break;
855             }
856         }
857     }
858 
859     argc -= optind;
860     argv += optind;
861 
862     printf("To reproduce the conditions for this test, launch "
863            "with \"%s -s %lu\"\n", me, seed);
864 
865     srand(seed);
866 
867     sp<Harness> h = new Harness;
868     CHECK_EQ(h->initCheck(), (status_t)OK);
869 
870     if (argc == 0) {
871         h->testAll();
872     } else if (argc == 2) {
873         if (h->test(argv[0], argv[1]) == OK) {
874             printf("OK\n");
875         }
876     }
877 
878     return 0;
879 }
880