1 /*
2 **
3 ** Copyright 2008, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 // Proxy for media player implementations
19
20 //#define LOG_NDEBUG 0
21 #define LOG_TAG "MediaPlayerService"
22 #include <utils/Log.h>
23
24 #include <chrono>
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include <sys/time.h>
28 #include <dirent.h>
29 #include <unistd.h>
30
31 #include <string.h>
32
33 #include <cutils/atomic.h>
34 #include <cutils/properties.h> // for property_get
35
36 #include <utils/misc.h>
37
38 #include <android/hardware/media/omx/1.0/IOmx.h>
39 #include <android/hardware/media/c2/1.0/IComponentStore.h>
40 #include <binder/IPCThreadState.h>
41 #include <binder/IServiceManager.h>
42 #include <binder/MemoryHeapBase.h>
43 #include <binder/MemoryBase.h>
44 #include <gui/Surface.h>
45 #include <utils/Errors.h> // for status_t
46 #include <utils/String8.h>
47 #include <utils/SystemClock.h>
48 #include <utils/Timers.h>
49 #include <utils/Vector.h>
50
51 #include <codec2/hidl/client.h>
52 #include <datasource/HTTPBase.h>
53 #include <media/AidlConversion.h>
54 #include <media/IMediaHTTPService.h>
55 #include <media/IRemoteDisplay.h>
56 #include <media/IRemoteDisplayClient.h>
57 #include <media/MediaPlayerInterface.h>
58 #include <media/mediarecorder.h>
59 #include <media/MediaMetadataRetrieverInterface.h>
60 #include <media/Metadata.h>
61 #include <media/AudioTrack.h>
62 #include <media/stagefright/InterfaceUtils.h>
63 #include <media/stagefright/MediaCodecConstants.h>
64 #include <media/stagefright/MediaCodecList.h>
65 #include <media/stagefright/MediaErrors.h>
66 #include <media/stagefright/Utils.h>
67 #include <media/stagefright/FoundationUtils.h>
68 #include <media/stagefright/foundation/ADebug.h>
69 #include <media/stagefright/foundation/ALooperRoster.h>
70 #include <media/stagefright/SurfaceUtils.h>
71 #include <mediautils/BatteryNotifier.h>
72 #include <mediautils/MemoryLeakTrackUtil.h>
73 #include <memunreachable/memunreachable.h>
74 #include <system/audio.h>
75
76 #include <private/android_filesystem_config.h>
77
78 #include "ActivityManager.h"
79 #include "MediaRecorderClient.h"
80 #include "MediaPlayerService.h"
81 #include "MetadataRetrieverClient.h"
82 #include "MediaPlayerFactory.h"
83
84 #include "TestPlayerStub.h"
85 #include <nuplayer/NuPlayerDriver.h>
86
87
88 static const int kDumpLockRetries = 50;
89 static const int kDumpLockSleepUs = 20000;
90
91 namespace {
92 using android::media::Metadata;
93 using android::status_t;
94 using android::OK;
95 using android::BAD_VALUE;
96 using android::NOT_ENOUGH_DATA;
97 using android::Parcel;
98 using android::media::VolumeShaper;
99 using android::content::AttributionSourceState;
100
101 // Max number of entries in the filter.
102 const int kMaxFilterSize = 64; // I pulled that out of thin air.
103
104 const float kMaxRequiredSpeed = 8.0f; // for PCM tracks allow up to 8x speedup.
105
106 // FIXME: Move all the metadata related function in the Metadata.cpp
107
108
109 // Unmarshall a filter from a Parcel.
110 // Filter format in a parcel:
111 //
112 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
113 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
114 // | number of entries (n) |
115 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
116 // | metadata type 1 |
117 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
118 // | metadata type 2 |
119 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
120 // ....
121 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
122 // | metadata type n |
123 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
124 //
125 // @param p Parcel that should start with a filter.
126 // @param[out] filter On exit contains the list of metadata type to be
127 // filtered.
128 // @param[out] status On exit contains the status code to be returned.
129 // @return true if the parcel starts with a valid filter.
unmarshallFilter(const Parcel & p,Metadata::Filter * filter,status_t * status)130 bool unmarshallFilter(const Parcel& p,
131 Metadata::Filter *filter,
132 status_t *status)
133 {
134 int32_t val;
135 if (p.readInt32(&val) != OK)
136 {
137 ALOGE("Failed to read filter's length");
138 *status = NOT_ENOUGH_DATA;
139 return false;
140 }
141
142 if( val > kMaxFilterSize || val < 0)
143 {
144 ALOGE("Invalid filter len %d", val);
145 *status = BAD_VALUE;
146 return false;
147 }
148
149 const size_t num = val;
150
151 filter->clear();
152 filter->setCapacity(num);
153
154 size_t size = num * sizeof(Metadata::Type);
155
156
157 if (p.dataAvail() < size)
158 {
159 ALOGE("Filter too short expected %zu but got %zu", size, p.dataAvail());
160 *status = NOT_ENOUGH_DATA;
161 return false;
162 }
163
164 const Metadata::Type *data =
165 static_cast<const Metadata::Type*>(p.readInplace(size));
166
167 if (NULL == data)
168 {
169 ALOGE("Filter had no data");
170 *status = BAD_VALUE;
171 return false;
172 }
173
174 // TODO: The stl impl of vector would be more efficient here
175 // because it degenerates into a memcpy on pod types. Try to
176 // replace later or use stl::set.
177 for (size_t i = 0; i < num; ++i)
178 {
179 filter->add(*data);
180 ++data;
181 }
182 *status = OK;
183 return true;
184 }
185
186 // @param filter Of metadata type.
187 // @param val To be searched.
188 // @return true if a match was found.
findMetadata(const Metadata::Filter & filter,const int32_t val)189 bool findMetadata(const Metadata::Filter& filter, const int32_t val)
190 {
191 // Deal with empty and ANY right away
192 if (filter.isEmpty()) return false;
193 if (filter[0] == Metadata::kAny) return true;
194
195 return filter.indexOf(val) >= 0;
196 }
197
198 } // anonymous namespace
199
200
201 namespace {
202 using android::Parcel;
203 using android::String16;
204
205 // marshalling tag indicating flattened utf16 tags
206 // keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java
207 const int32_t kAudioAttributesMarshallTagFlattenTags = 1;
208
209 // Audio attributes format in a parcel:
210 //
211 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
212 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
213 // | usage |
214 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
215 // | content_type |
216 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
217 // | source |
218 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
219 // | flags |
220 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
221 // | kAudioAttributesMarshallTagFlattenTags | // ignore tags if not found
222 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
223 // | flattened tags in UTF16 |
224 // | ... |
225 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
226 //
227 // @param p Parcel that contains audio attributes.
228 // @param[out] attributes On exit points to an initialized audio_attributes_t structure
229 // @param[out] status On exit contains the status code to be returned.
unmarshallAudioAttributes(const Parcel & parcel,audio_attributes_t * attributes)230 void unmarshallAudioAttributes(const Parcel& parcel, audio_attributes_t *attributes)
231 {
232 attributes->usage = (audio_usage_t) parcel.readInt32();
233 attributes->content_type = (audio_content_type_t) parcel.readInt32();
234 attributes->source = (audio_source_t) parcel.readInt32();
235 attributes->flags = (audio_flags_mask_t) parcel.readInt32();
236 const bool hasFlattenedTag = (parcel.readInt32() == kAudioAttributesMarshallTagFlattenTags);
237 if (hasFlattenedTag) {
238 // the tags are UTF16, convert to UTF8
239 String16 tags = parcel.readString16();
240 ssize_t realTagSize = utf16_to_utf8_length(tags.string(), tags.size());
241 if (realTagSize <= 0) {
242 strcpy(attributes->tags, "");
243 } else {
244 // copy the flattened string into the attributes as the destination for the conversion:
245 // copying array size -1, array for tags was calloc'd, no need to NULL-terminate it
246 size_t tagSize = realTagSize > AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 ?
247 AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 : realTagSize;
248 utf16_to_utf8(tags.string(), tagSize, attributes->tags,
249 sizeof(attributes->tags) / sizeof(attributes->tags[0]));
250 }
251 } else {
252 ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values");
253 strcpy(attributes->tags, "");
254 }
255 }
256 } // anonymous namespace
257
258
259 namespace android {
260
261 extern ALooperRoster gLooperRoster;
262
263
checkPermission(const char * permissionString)264 static bool checkPermission(const char* permissionString) {
265 if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
266 bool ok = checkCallingPermission(String16(permissionString));
267 if (!ok) ALOGE("Request requires %s", permissionString);
268 return ok;
269 }
270
dumpCodecDetails(int fd,const sp<IMediaCodecList> & codecList,bool queryDecoders)271 static void dumpCodecDetails(int fd, const sp<IMediaCodecList> &codecList, bool queryDecoders) {
272 const size_t SIZE = 256;
273 char buffer[SIZE];
274 String8 result;
275
276 const char *codecType = queryDecoders? "Decoder" : "Encoder";
277 snprintf(buffer, SIZE - 1, "\n%s infos by media types:\n"
278 "=============================\n", codecType);
279 result.append(buffer);
280
281 size_t numCodecs = codecList->countCodecs();
282
283 // gather all media types supported by codec class, and link to codecs that support them
284 KeyedVector<AString, Vector<sp<MediaCodecInfo>>> allMediaTypes;
285 for (size_t codec_ix = 0; codec_ix < numCodecs; ++codec_ix) {
286 sp<MediaCodecInfo> info = codecList->getCodecInfo(codec_ix);
287 if (info->isEncoder() == !queryDecoders) {
288 Vector<AString> supportedMediaTypes;
289 info->getSupportedMediaTypes(&supportedMediaTypes);
290 if (!supportedMediaTypes.size()) {
291 snprintf(buffer, SIZE - 1, "warning: %s does not support any media types\n",
292 info->getCodecName());
293 result.append(buffer);
294 } else {
295 for (const AString &mediaType : supportedMediaTypes) {
296 if (allMediaTypes.indexOfKey(mediaType) < 0) {
297 allMediaTypes.add(mediaType, Vector<sp<MediaCodecInfo>>());
298 }
299 allMediaTypes.editValueFor(mediaType).add(info);
300 }
301 }
302 }
303 }
304
305 KeyedVector<AString, bool> visitedCodecs;
306 for (size_t type_ix = 0; type_ix < allMediaTypes.size(); ++type_ix) {
307 const AString &mediaType = allMediaTypes.keyAt(type_ix);
308 snprintf(buffer, SIZE - 1, "\nMedia type '%s':\n", mediaType.c_str());
309 result.append(buffer);
310
311 for (const sp<MediaCodecInfo> &info : allMediaTypes.valueAt(type_ix)) {
312 sp<MediaCodecInfo::Capabilities> caps = info->getCapabilitiesFor(mediaType.c_str());
313 if (caps == NULL) {
314 snprintf(buffer, SIZE - 1, "warning: %s does not have capabilities for type %s\n",
315 info->getCodecName(), mediaType.c_str());
316 result.append(buffer);
317 continue;
318 }
319 snprintf(buffer, SIZE - 1, " %s \"%s\" supports\n",
320 codecType, info->getCodecName());
321 result.append(buffer);
322
323 auto printList = [&](const char *type, const Vector<AString> &values){
324 snprintf(buffer, SIZE - 1, " %s: [", type);
325 result.append(buffer);
326 for (size_t j = 0; j < values.size(); ++j) {
327 snprintf(buffer, SIZE - 1, "\n %s%s", values[j].c_str(),
328 j == values.size() - 1 ? " " : ",");
329 result.append(buffer);
330 }
331 result.append("]\n");
332 };
333
334 if (visitedCodecs.indexOfKey(info->getCodecName()) < 0) {
335 visitedCodecs.add(info->getCodecName(), true);
336 {
337 Vector<AString> aliases;
338 info->getAliases(&aliases);
339 // quote alias
340 for (AString &alias : aliases) {
341 alias.insert("\"", 1, 0);
342 alias.append('"');
343 }
344 printList("aliases", aliases);
345 }
346 {
347 uint32_t attrs = info->getAttributes();
348 Vector<AString> list;
349 list.add(AStringPrintf("encoder: %d",
350 !!(attrs & MediaCodecInfo::kFlagIsEncoder)));
351 list.add(AStringPrintf("vendor: %d",
352 !!(attrs & MediaCodecInfo::kFlagIsVendor)));
353 list.add(AStringPrintf("software-only: %d",
354 !!(attrs & MediaCodecInfo::kFlagIsSoftwareOnly)));
355 list.add(AStringPrintf("hw-accelerated: %d",
356 !!(attrs & MediaCodecInfo::kFlagIsHardwareAccelerated)));
357 printList(AStringPrintf("attributes: %#x", attrs).c_str(), list);
358 }
359
360 snprintf(buffer, SIZE - 1, " owner: \"%s\"\n", info->getOwnerName());
361 result.append(buffer);
362 snprintf(buffer, SIZE - 1, " rank: %u\n", info->getRank());
363 result.append(buffer);
364 } else {
365 result.append(" aliases, attributes, owner, rank: see above\n");
366 }
367
368 {
369 Vector<AString> list;
370 Vector<MediaCodecInfo::ProfileLevel> profileLevels;
371 caps->getSupportedProfileLevels(&profileLevels);
372 for (const MediaCodecInfo::ProfileLevel &pl : profileLevels) {
373 const char *niceProfile =
374 mediaType.equalsIgnoreCase(MIMETYPE_AUDIO_AAC)
375 ? asString_AACObject(pl.mProfile) :
376 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_MPEG2)
377 ? asString_MPEG2Profile(pl.mProfile) :
378 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_H263)
379 ? asString_H263Profile(pl.mProfile) :
380 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_MPEG4)
381 ? asString_MPEG4Profile(pl.mProfile) :
382 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_AVC)
383 ? asString_AVCProfile(pl.mProfile) :
384 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_VP8)
385 ? asString_VP8Profile(pl.mProfile) :
386 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_HEVC)
387 ? asString_HEVCProfile(pl.mProfile) :
388 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_VP9)
389 ? asString_VP9Profile(pl.mProfile) :
390 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_AV1)
391 ? asString_AV1Profile(pl.mProfile) : "??";
392 const char *niceLevel =
393 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_MPEG2)
394 ? asString_MPEG2Level(pl.mLevel) :
395 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_H263)
396 ? asString_H263Level(pl.mLevel) :
397 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_MPEG4)
398 ? asString_MPEG4Level(pl.mLevel) :
399 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_AVC)
400 ? asString_AVCLevel(pl.mLevel) :
401 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_VP8)
402 ? asString_VP8Level(pl.mLevel) :
403 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_HEVC)
404 ? asString_HEVCTierLevel(pl.mLevel) :
405 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_VP9)
406 ? asString_VP9Level(pl.mLevel) :
407 mediaType.equalsIgnoreCase(MIMETYPE_VIDEO_AV1)
408 ? asString_AV1Level(pl.mLevel) : "??";
409
410 list.add(AStringPrintf("% 5u/% 5u (%s/%s)",
411 pl.mProfile, pl.mLevel, niceProfile, niceLevel));
412 }
413 printList("profile/levels", list);
414 }
415
416 {
417 Vector<AString> list;
418 Vector<uint32_t> colors;
419 caps->getSupportedColorFormats(&colors);
420 for (uint32_t color : colors) {
421 list.add(AStringPrintf("%#x (%s)", color,
422 asString_ColorFormat((int32_t)color)));
423 }
424 printList("colors", list);
425 }
426
427 result.append(" details: ");
428 result.append(caps->getDetails()->debugString(6).c_str());
429 result.append("\n");
430 }
431 }
432 result.append("\n");
433 ::write(fd, result.string(), result.size());
434 }
435
436
437 // TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround
438 /* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4;
439 /* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false;
440
instantiate()441 void MediaPlayerService::instantiate() {
442 defaultServiceManager()->addService(
443 String16("media.player"), new MediaPlayerService());
444 }
445
MediaPlayerService()446 MediaPlayerService::MediaPlayerService()
447 {
448 ALOGV("MediaPlayerService created");
449 mNextConnId = 1;
450
451 MediaPlayerFactory::registerBuiltinFactories();
452 }
453
~MediaPlayerService()454 MediaPlayerService::~MediaPlayerService()
455 {
456 ALOGV("MediaPlayerService destroyed");
457 }
458
createMediaRecorder(const AttributionSourceState & attributionSource)459 sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(
460 const AttributionSourceState& attributionSource)
461 {
462 // TODO b/182392769: use attribution source util
463 AttributionSourceState verifiedAttributionSource = attributionSource;
464 verifiedAttributionSource.uid = VALUE_OR_FATAL(
465 legacy2aidl_uid_t_int32_t(IPCThreadState::self()->getCallingUid()));
466 verifiedAttributionSource.pid = VALUE_OR_FATAL(
467 legacy2aidl_pid_t_int32_t(IPCThreadState::self()->getCallingPid()));
468 sp<MediaRecorderClient> recorder =
469 new MediaRecorderClient(this, verifiedAttributionSource);
470 wp<MediaRecorderClient> w = recorder;
471 Mutex::Autolock lock(mLock);
472 mMediaRecorderClients.add(w);
473 ALOGV("Create new media recorder client from pid %s",
474 verifiedAttributionSource.toString().c_str());
475 return recorder;
476 }
477
removeMediaRecorderClient(const wp<MediaRecorderClient> & client)478 void MediaPlayerService::removeMediaRecorderClient(const wp<MediaRecorderClient>& client)
479 {
480 Mutex::Autolock lock(mLock);
481 mMediaRecorderClients.remove(client);
482 ALOGV("Delete media recorder client");
483 }
484
createMetadataRetriever()485 sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever()
486 {
487 pid_t pid = IPCThreadState::self()->getCallingPid();
488 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid);
489 ALOGV("Create new media retriever from pid %d", pid);
490 return retriever;
491 }
492
create(const sp<IMediaPlayerClient> & client,audio_session_t audioSessionId,const AttributionSourceState & attributionSource)493 sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client,
494 audio_session_t audioSessionId, const AttributionSourceState& attributionSource)
495 {
496 int32_t connId = android_atomic_inc(&mNextConnId);
497 // TODO b/182392769: use attribution source util
498 AttributionSourceState verifiedAttributionSource = attributionSource;
499 verifiedAttributionSource.pid = VALUE_OR_FATAL(
500 legacy2aidl_pid_t_int32_t(IPCThreadState::self()->getCallingPid()));
501 verifiedAttributionSource.uid = VALUE_OR_FATAL(
502 legacy2aidl_uid_t_int32_t(IPCThreadState::self()->getCallingUid()));
503
504 sp<Client> c = new Client(
505 this, verifiedAttributionSource, connId, client, audioSessionId);
506
507 ALOGV("Create new client(%d) from %s, ", connId,
508 verifiedAttributionSource.toString().c_str());
509
510 wp<Client> w = c;
511 {
512 Mutex::Autolock lock(mLock);
513 mClients.add(w);
514 }
515 return c;
516 }
517
getCodecList() const518 sp<IMediaCodecList> MediaPlayerService::getCodecList() const {
519 return MediaCodecList::getLocalInstance();
520 }
521
listenForRemoteDisplay(const String16 &,const sp<IRemoteDisplayClient> &,const String8 &)522 sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay(
523 const String16 &/*opPackageName*/,
524 const sp<IRemoteDisplayClient>& /*client*/,
525 const String8& /*iface*/) {
526 ALOGE("listenForRemoteDisplay is no longer supported!");
527
528 return NULL;
529 }
530
dump(int fd,const Vector<String16> & args) const531 status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const
532 {
533 const size_t SIZE = 256;
534 char buffer[SIZE];
535 String8 result;
536
537 result.append(" AudioOutput\n");
538 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n",
539 mStreamType, mLeftVolume, mRightVolume);
540 result.append(buffer);
541 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n",
542 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1);
543 result.append(buffer);
544 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n",
545 mAuxEffectId, mSendLevel);
546 result.append(buffer);
547
548 ::write(fd, result.string(), result.size());
549 if (mTrack != 0) {
550 mTrack->dump(fd, args);
551 }
552 return NO_ERROR;
553 }
554
dump(int fd,const Vector<String16> & args)555 status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args)
556 {
557 const size_t SIZE = 256;
558 char buffer[SIZE];
559 String8 result;
560 result.append(" Client\n");
561 snprintf(buffer, 255, " AttributionSource(%s), connId(%d), status(%d), looping(%s)\n",
562 mAttributionSource.toString().c_str(), mConnId, mStatus, mLoop?"true": "false");
563 result.append(buffer);
564
565 sp<MediaPlayerBase> p;
566 sp<AudioOutput> audioOutput;
567 bool locked = false;
568 for (int i = 0; i < kDumpLockRetries; ++i) {
569 if (mLock.tryLock() == NO_ERROR) {
570 locked = true;
571 break;
572 }
573 usleep(kDumpLockSleepUs);
574 }
575
576 if (locked) {
577 p = mPlayer;
578 audioOutput = mAudioOutput;
579 mLock.unlock();
580 } else {
581 result.append(" lock is taken, no dump from player and audio output\n");
582 }
583 write(fd, result.string(), result.size());
584
585 if (p != NULL) {
586 p->dump(fd, args);
587 }
588 if (audioOutput != 0) {
589 audioOutput->dump(fd, args);
590 }
591 write(fd, "\n", 1);
592 return NO_ERROR;
593 }
594
595 /**
596 * The only arguments this understands right now are -c, -von and -voff,
597 * which are parsed by ALooperRoster::dump()
598 */
dump(int fd,const Vector<String16> & args)599 status_t MediaPlayerService::dump(int fd, const Vector<String16>& args)
600 {
601 const size_t SIZE = 256;
602 char buffer[SIZE];
603 String8 result;
604 SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction.
605 SortedVector< sp<MediaRecorderClient> > mediaRecorderClients;
606
607 if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
608 snprintf(buffer, SIZE - 1, "Permission Denial: "
609 "can't dump MediaPlayerService from pid=%d, uid=%d\n",
610 IPCThreadState::self()->getCallingPid(),
611 IPCThreadState::self()->getCallingUid());
612 result.append(buffer);
613 } else {
614 {
615 // capture clients under lock
616 Mutex::Autolock lock(mLock);
617 for (int i = 0, n = mClients.size(); i < n; ++i) {
618 sp<Client> c = mClients[i].promote();
619 if (c != nullptr) {
620 clients.add(c);
621 }
622 }
623
624 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) {
625 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote();
626 if (c != nullptr) {
627 mediaRecorderClients.add(c);
628 }
629 }
630 }
631
632 // dump clients outside of lock
633 for (const sp<Client> &c : clients) {
634 c->dump(fd, args);
635 }
636 if (mediaRecorderClients.size() == 0) {
637 result.append(" No media recorder client\n\n");
638 } else {
639 for (const sp<MediaRecorderClient> &c : mediaRecorderClients) {
640 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n",
641 c->mAttributionSource.pid);
642 result.append(buffer);
643 write(fd, result.string(), result.size());
644 result = "\n";
645 c->dump(fd, args);
646
647 }
648 }
649
650 result.append(" Files opened and/or mapped:\n");
651 snprintf(buffer, SIZE - 1, "/proc/%d/maps", getpid());
652 FILE *f = fopen(buffer, "r");
653 if (f) {
654 while (!feof(f)) {
655 fgets(buffer, SIZE - 1, f);
656 if (strstr(buffer, " /storage/") ||
657 strstr(buffer, " /system/sounds/") ||
658 strstr(buffer, " /data/") ||
659 strstr(buffer, " /system/media/")) {
660 result.append(" ");
661 result.append(buffer);
662 }
663 }
664 fclose(f);
665 } else {
666 result.append("couldn't open ");
667 result.append(buffer);
668 result.append("\n");
669 }
670
671 snprintf(buffer, SIZE - 1, "/proc/%d/fd", getpid());
672 DIR *d = opendir(buffer);
673 if (d) {
674 struct dirent *ent;
675 while((ent = readdir(d)) != NULL) {
676 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) {
677 snprintf(buffer, SIZE - 1, "/proc/%d/fd/%s", getpid(), ent->d_name);
678 struct stat s;
679 if (lstat(buffer, &s) == 0) {
680 if ((s.st_mode & S_IFMT) == S_IFLNK) {
681 char linkto[256];
682 int len = readlink(buffer, linkto, sizeof(linkto));
683 if(len > 0) {
684 if(len > 255) {
685 linkto[252] = '.';
686 linkto[253] = '.';
687 linkto[254] = '.';
688 linkto[255] = 0;
689 } else {
690 linkto[len] = 0;
691 }
692 if (strstr(linkto, "/storage/") == linkto ||
693 strstr(linkto, "/system/sounds/") == linkto ||
694 strstr(linkto, "/data/") == linkto ||
695 strstr(linkto, "/system/media/") == linkto) {
696 result.append(" ");
697 result.append(buffer);
698 result.append(" -> ");
699 result.append(linkto);
700 result.append("\n");
701 }
702 }
703 } else {
704 result.append(" unexpected type for ");
705 result.append(buffer);
706 result.append("\n");
707 }
708 }
709 }
710 }
711 closedir(d);
712 } else {
713 result.append("couldn't open ");
714 result.append(buffer);
715 result.append("\n");
716 }
717
718 gLooperRoster.dump(fd, args);
719
720 sp<IMediaCodecList> codecList = getCodecList();
721 dumpCodecDetails(fd, codecList, true /* decoders */);
722 dumpCodecDetails(fd, codecList, false /* !decoders */);
723
724 bool dumpMem = false;
725 bool unreachableMemory = false;
726 for (size_t i = 0; i < args.size(); i++) {
727 if (args[i] == String16("-m")) {
728 dumpMem = true;
729 } else if (args[i] == String16("--unreachable")) {
730 unreachableMemory = true;
731 }
732 }
733 if (dumpMem) {
734 result.append("\nDumping memory:\n");
735 std::string s = dumpMemoryAddresses(100 /* limit */);
736 result.append(s.c_str(), s.size());
737 }
738 if (unreachableMemory) {
739 result.append("\nDumping unreachable memory:\n");
740 // TODO - should limit be an argument parameter?
741 std::string s = GetUnreachableMemoryString(true /* contents */, 10000 /* limit */);
742 result.append(s.c_str(), s.size());
743 }
744 }
745 write(fd, result.string(), result.size());
746
747 return NO_ERROR;
748 }
749
removeClient(const wp<Client> & client)750 void MediaPlayerService::removeClient(const wp<Client>& client)
751 {
752 Mutex::Autolock lock(mLock);
753 mClients.remove(client);
754 }
755
hasClient(wp<Client> client)756 bool MediaPlayerService::hasClient(wp<Client> client)
757 {
758 Mutex::Autolock lock(mLock);
759 return mClients.indexOf(client) != NAME_NOT_FOUND;
760 }
761
Client(const sp<MediaPlayerService> & service,const AttributionSourceState & attributionSource,int32_t connId,const sp<IMediaPlayerClient> & client,audio_session_t audioSessionId)762 MediaPlayerService::Client::Client(
763 const sp<MediaPlayerService>& service, const AttributionSourceState& attributionSource,
764 int32_t connId, const sp<IMediaPlayerClient>& client,
765 audio_session_t audioSessionId)
766 : mAttributionSource(attributionSource)
767 {
768 ALOGV("Client(%d) constructor", connId);
769 mConnId = connId;
770 mService = service;
771 mClient = client;
772 mLoop = false;
773 mStatus = NO_INIT;
774 mAudioSessionId = audioSessionId;
775 mRetransmitEndpointValid = false;
776 mAudioAttributes = NULL;
777 mListener = new Listener(this);
778
779 #if CALLBACK_ANTAGONIZER
780 ALOGD("create Antagonizer");
781 mAntagonizer = new Antagonizer(mListener);
782 #endif
783 }
784
~Client()785 MediaPlayerService::Client::~Client()
786 {
787 ALOGV("Client(%d) destructor AttributionSource = %s", mConnId,
788 mAttributionSource.toString().c_str());
789 mAudioOutput.clear();
790 wp<Client> client(this);
791 disconnect();
792 mService->removeClient(client);
793 if (mAudioAttributes != NULL) {
794 free(mAudioAttributes);
795 }
796 mAudioDeviceUpdatedListener.clear();
797 }
798
disconnect()799 void MediaPlayerService::Client::disconnect()
800 {
801 ALOGV("disconnect(%d) from AttributionSource %s", mConnId,
802 mAttributionSource.toString().c_str());
803 // grab local reference and clear main reference to prevent future
804 // access to object
805 sp<MediaPlayerBase> p;
806 {
807 Mutex::Autolock l(mLock);
808 p = mPlayer;
809 mClient.clear();
810 mPlayer.clear();
811 }
812
813 // clear the notification to prevent callbacks to dead client
814 // and reset the player. We assume the player will serialize
815 // access to itself if necessary.
816 if (p != 0) {
817 p->setNotifyCallback(0);
818 #if CALLBACK_ANTAGONIZER
819 ALOGD("kill Antagonizer");
820 mAntagonizer->kill();
821 #endif
822 p->reset();
823 }
824
825 {
826 Mutex::Autolock l(mLock);
827 disconnectNativeWindow_l();
828 }
829
830 IPCThreadState::self()->flushCommands();
831 }
832
createPlayer(player_type playerType)833 sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType)
834 {
835 // determine if we have the right player type
836 sp<MediaPlayerBase> p = getPlayer();
837 if ((p != NULL) && (p->playerType() != playerType)) {
838 ALOGV("delete player");
839 p.clear();
840 }
841 if (p == NULL) {
842 p = MediaPlayerFactory::createPlayer(playerType, mListener,
843 VALUE_OR_FATAL(aidl2legacy_int32_t_pid_t(mAttributionSource.pid)));
844 }
845
846 if (p != NULL) {
847 p->setUID(VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(mAttributionSource.uid)));
848 }
849
850 return p;
851 }
852
onAudioDeviceUpdate(audio_io_handle_t audioIo,audio_port_handle_t deviceId)853 void MediaPlayerService::Client::AudioDeviceUpdatedNotifier::onAudioDeviceUpdate(
854 audio_io_handle_t audioIo,
855 audio_port_handle_t deviceId) {
856 sp<MediaPlayerBase> listener = mListener.promote();
857 if (listener != NULL) {
858 listener->sendEvent(MEDIA_AUDIO_ROUTING_CHANGED, audioIo, deviceId);
859 } else {
860 ALOGW("listener for process %d death is gone", MEDIA_AUDIO_ROUTING_CHANGED);
861 }
862 }
863
setDataSource_pre(player_type playerType)864 sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre(
865 player_type playerType)
866 {
867 ALOGV("player type = %d", playerType);
868
869 // create the right type of player
870 sp<MediaPlayerBase> p = createPlayer(playerType);
871 if (p == NULL) {
872 return p;
873 }
874
875 std::vector<DeathNotifier> deathNotifiers;
876
877 // Listen to death of media.extractor service
878 sp<IServiceManager> sm = defaultServiceManager();
879 sp<IBinder> binder = sm->getService(String16("media.extractor"));
880 if (binder == NULL) {
881 ALOGE("extractor service not available");
882 return NULL;
883 }
884 deathNotifiers.emplace_back(
885 binder, [l = wp<MediaPlayerBase>(p)]() {
886 sp<MediaPlayerBase> listener = l.promote();
887 if (listener) {
888 ALOGI("media.extractor died. Sending death notification.");
889 listener->sendEvent(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED,
890 MEDIAEXTRACTOR_PROCESS_DEATH);
891 } else {
892 ALOGW("media.extractor died without a death handler.");
893 }
894 });
895
896 {
897 using ::android::hidl::base::V1_0::IBase;
898
899 // Listen to death of OMX service
900 {
901 sp<IBase> base = ::android::hardware::media::omx::V1_0::
902 IOmx::getService();
903 if (base == nullptr) {
904 ALOGD("OMX service is not available");
905 } else {
906 deathNotifiers.emplace_back(
907 base, [l = wp<MediaPlayerBase>(p)]() {
908 sp<MediaPlayerBase> listener = l.promote();
909 if (listener) {
910 ALOGI("OMX service died. "
911 "Sending death notification.");
912 listener->sendEvent(
913 MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED,
914 MEDIACODEC_PROCESS_DEATH);
915 } else {
916 ALOGW("OMX service died without a death handler.");
917 }
918 });
919 }
920 }
921
922 // Listen to death of Codec2 services
923 {
924 for (std::shared_ptr<Codec2Client> const& client :
925 Codec2Client::CreateFromAllServices()) {
926 sp<IBase> base = client->getBase();
927 deathNotifiers.emplace_back(
928 base, [l = wp<MediaPlayerBase>(p),
929 name = std::string(client->getServiceName())]() {
930 sp<MediaPlayerBase> listener = l.promote();
931 if (listener) {
932 ALOGI("Codec2 service \"%s\" died. "
933 "Sending death notification.",
934 name.c_str());
935 listener->sendEvent(
936 MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED,
937 MEDIACODEC_PROCESS_DEATH);
938 } else {
939 ALOGW("Codec2 service \"%s\" died "
940 "without a death handler.",
941 name.c_str());
942 }
943 });
944 }
945 }
946 }
947
948 Mutex::Autolock lock(mLock);
949
950 mDeathNotifiers.clear();
951 mDeathNotifiers.swap(deathNotifiers);
952 mAudioDeviceUpdatedListener = new AudioDeviceUpdatedNotifier(p);
953
954 if (!p->hardwareOutput()) {
955 mAudioOutput = new AudioOutput(mAudioSessionId, mAttributionSource,
956 mAudioAttributes, mAudioDeviceUpdatedListener);
957 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput);
958 }
959
960 return p;
961 }
962
setDataSource_post(const sp<MediaPlayerBase> & p,status_t status)963 status_t MediaPlayerService::Client::setDataSource_post(
964 const sp<MediaPlayerBase>& p,
965 status_t status)
966 {
967 ALOGV(" setDataSource");
968 if (status != OK) {
969 ALOGE(" error: %d", status);
970 return status;
971 }
972
973 // Set the re-transmission endpoint if one was chosen.
974 if (mRetransmitEndpointValid) {
975 status = p->setRetransmitEndpoint(&mRetransmitEndpoint);
976 if (status != NO_ERROR) {
977 ALOGE("setRetransmitEndpoint error: %d", status);
978 }
979 }
980
981 if (status == OK) {
982 Mutex::Autolock lock(mLock);
983 mPlayer = p;
984 }
985 return status;
986 }
987
setDataSource(const sp<IMediaHTTPService> & httpService,const char * url,const KeyedVector<String8,String8> * headers)988 status_t MediaPlayerService::Client::setDataSource(
989 const sp<IMediaHTTPService> &httpService,
990 const char *url,
991 const KeyedVector<String8, String8> *headers)
992 {
993 ALOGV("setDataSource(%s)", url);
994 if (url == NULL)
995 return UNKNOWN_ERROR;
996
997 if ((strncmp(url, "http://", 7) == 0) ||
998 (strncmp(url, "https://", 8) == 0) ||
999 (strncmp(url, "rtsp://", 7) == 0)) {
1000 if (!checkPermission("android.permission.INTERNET")) {
1001 return PERMISSION_DENIED;
1002 }
1003 }
1004
1005 if (strncmp(url, "content://", 10) == 0) {
1006 // get a filedescriptor for the content Uri and
1007 // pass it to the setDataSource(fd) method
1008
1009 String16 url16(url);
1010 int fd = android::openContentProviderFile(url16);
1011 if (fd < 0)
1012 {
1013 ALOGE("Couldn't open fd for %s", url);
1014 return UNKNOWN_ERROR;
1015 }
1016 status_t status = setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus
1017 close(fd);
1018 return mStatus = status;
1019 } else {
1020 player_type playerType = MediaPlayerFactory::getPlayerType(this, url);
1021 sp<MediaPlayerBase> p = setDataSource_pre(playerType);
1022 if (p == NULL) {
1023 return NO_INIT;
1024 }
1025
1026 return mStatus =
1027 setDataSource_post(
1028 p, p->setDataSource(httpService, url, headers));
1029 }
1030 }
1031
setDataSource(int fd,int64_t offset,int64_t length)1032 status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length)
1033 {
1034 ALOGV("setDataSource fd=%d (%s), offset=%lld, length=%lld",
1035 fd, nameForFd(fd).c_str(), (long long) offset, (long long) length);
1036 struct stat sb;
1037 int ret = fstat(fd, &sb);
1038 if (ret != 0) {
1039 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno));
1040 return UNKNOWN_ERROR;
1041 }
1042
1043 ALOGV("st_dev = %llu", static_cast<unsigned long long>(sb.st_dev));
1044 ALOGV("st_mode = %u", sb.st_mode);
1045 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid));
1046 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid));
1047 ALOGV("st_size = %llu", static_cast<unsigned long long>(sb.st_size));
1048
1049 if (offset >= sb.st_size) {
1050 ALOGE("offset error");
1051 return UNKNOWN_ERROR;
1052 }
1053 if (offset + length > sb.st_size) {
1054 length = sb.st_size - offset;
1055 ALOGV("calculated length = %lld", (long long)length);
1056 }
1057
1058 player_type playerType = MediaPlayerFactory::getPlayerType(this,
1059 fd,
1060 offset,
1061 length);
1062 sp<MediaPlayerBase> p = setDataSource_pre(playerType);
1063 if (p == NULL) {
1064 return NO_INIT;
1065 }
1066
1067 // now set data source
1068 return mStatus = setDataSource_post(p, p->setDataSource(fd, offset, length));
1069 }
1070
setDataSource(const sp<IStreamSource> & source)1071 status_t MediaPlayerService::Client::setDataSource(
1072 const sp<IStreamSource> &source) {
1073 // create the right type of player
1074 player_type playerType = MediaPlayerFactory::getPlayerType(this, source);
1075 sp<MediaPlayerBase> p = setDataSource_pre(playerType);
1076 if (p == NULL) {
1077 return NO_INIT;
1078 }
1079
1080 // now set data source
1081 return mStatus = setDataSource_post(p, p->setDataSource(source));
1082 }
1083
setDataSource(const sp<IDataSource> & source)1084 status_t MediaPlayerService::Client::setDataSource(
1085 const sp<IDataSource> &source) {
1086 sp<DataSource> dataSource = CreateDataSourceFromIDataSource(source);
1087 player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource);
1088 sp<MediaPlayerBase> p = setDataSource_pre(playerType);
1089 if (p == NULL) {
1090 return NO_INIT;
1091 }
1092 // now set data source
1093 return mStatus = setDataSource_post(p, p->setDataSource(dataSource));
1094 }
1095
setDataSource(const String8 & rtpParams)1096 status_t MediaPlayerService::Client::setDataSource(
1097 const String8& rtpParams) {
1098 player_type playerType = NU_PLAYER;
1099 sp<MediaPlayerBase> p = setDataSource_pre(playerType);
1100 if (p == NULL) {
1101 return NO_INIT;
1102 }
1103 // now set data source
1104 return mStatus = setDataSource_post(p, p->setDataSource(rtpParams));
1105 }
1106
disconnectNativeWindow_l()1107 void MediaPlayerService::Client::disconnectNativeWindow_l() {
1108 if (mConnectedWindow != NULL) {
1109 status_t err = nativeWindowDisconnect(
1110 mConnectedWindow.get(), "disconnectNativeWindow");
1111
1112 if (err != OK) {
1113 ALOGW("nativeWindowDisconnect returned an error: %s (%d)",
1114 strerror(-err), err);
1115 }
1116 }
1117 mConnectedWindow.clear();
1118 }
1119
setVideoSurfaceTexture(const sp<IGraphicBufferProducer> & bufferProducer)1120 status_t MediaPlayerService::Client::setVideoSurfaceTexture(
1121 const sp<IGraphicBufferProducer>& bufferProducer)
1122 {
1123 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get());
1124 sp<MediaPlayerBase> p = getPlayer();
1125 if (p == 0) return UNKNOWN_ERROR;
1126
1127 sp<IBinder> binder(IInterface::asBinder(bufferProducer));
1128 if (mConnectedWindowBinder == binder) {
1129 return OK;
1130 }
1131
1132 sp<ANativeWindow> anw;
1133 if (bufferProducer != NULL) {
1134 anw = new Surface(bufferProducer, true /* controlledByApp */);
1135 status_t err = nativeWindowConnect(anw.get(), "setVideoSurfaceTexture");
1136
1137 if (err != OK) {
1138 ALOGE("setVideoSurfaceTexture failed: %d", err);
1139 // Note that we must do the reset before disconnecting from the ANW.
1140 // Otherwise queue/dequeue calls could be made on the disconnected
1141 // ANW, which may result in errors.
1142 reset();
1143
1144 Mutex::Autolock lock(mLock);
1145 disconnectNativeWindow_l();
1146
1147 return err;
1148 }
1149 }
1150
1151 // Note that we must set the player's new GraphicBufferProducer before
1152 // disconnecting the old one. Otherwise queue/dequeue calls could be made
1153 // on the disconnected ANW, which may result in errors.
1154 status_t err = p->setVideoSurfaceTexture(bufferProducer);
1155
1156 mLock.lock();
1157 disconnectNativeWindow_l();
1158
1159 if (err == OK) {
1160 mConnectedWindow = anw;
1161 mConnectedWindowBinder = binder;
1162 mLock.unlock();
1163 } else {
1164 mLock.unlock();
1165 status_t err = nativeWindowDisconnect(
1166 anw.get(), "disconnectNativeWindow");
1167
1168 if (err != OK) {
1169 ALOGW("nativeWindowDisconnect returned an error: %s (%d)",
1170 strerror(-err), err);
1171 }
1172 }
1173
1174 return err;
1175 }
1176
invoke(const Parcel & request,Parcel * reply)1177 status_t MediaPlayerService::Client::invoke(const Parcel& request,
1178 Parcel *reply)
1179 {
1180 sp<MediaPlayerBase> p = getPlayer();
1181 if (p == NULL) return UNKNOWN_ERROR;
1182 return p->invoke(request, reply);
1183 }
1184
1185 // This call doesn't need to access the native player.
setMetadataFilter(const Parcel & filter)1186 status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter)
1187 {
1188 status_t status;
1189 media::Metadata::Filter allow, drop;
1190
1191 if (unmarshallFilter(filter, &allow, &status) &&
1192 unmarshallFilter(filter, &drop, &status)) {
1193 Mutex::Autolock lock(mLock);
1194
1195 mMetadataAllow = allow;
1196 mMetadataDrop = drop;
1197 }
1198 return status;
1199 }
1200
getMetadata(bool update_only,bool,Parcel * reply)1201 status_t MediaPlayerService::Client::getMetadata(
1202 bool update_only, bool /*apply_filter*/, Parcel *reply)
1203 {
1204 sp<MediaPlayerBase> player = getPlayer();
1205 if (player == 0) return UNKNOWN_ERROR;
1206
1207 status_t status;
1208 // Placeholder for the return code, updated by the caller.
1209 reply->writeInt32(-1);
1210
1211 media::Metadata::Filter ids;
1212
1213 // We don't block notifications while we fetch the data. We clear
1214 // mMetadataUpdated first so we don't lose notifications happening
1215 // during the rest of this call.
1216 {
1217 Mutex::Autolock lock(mLock);
1218 if (update_only) {
1219 ids = mMetadataUpdated;
1220 }
1221 mMetadataUpdated.clear();
1222 }
1223
1224 media::Metadata metadata(reply);
1225
1226 metadata.appendHeader();
1227 status = player->getMetadata(ids, reply);
1228
1229 if (status != OK) {
1230 metadata.resetParcel();
1231 ALOGE("getMetadata failed %d", status);
1232 return status;
1233 }
1234
1235 // FIXME: Implement filtering on the result. Not critical since
1236 // filtering takes place on the update notifications already. This
1237 // would be when all the metadata are fetch and a filter is set.
1238
1239 // Everything is fine, update the metadata length.
1240 metadata.updateLength();
1241 return OK;
1242 }
1243
setBufferingSettings(const BufferingSettings & buffering)1244 status_t MediaPlayerService::Client::setBufferingSettings(
1245 const BufferingSettings& buffering)
1246 {
1247 ALOGV("[%d] setBufferingSettings{%s}",
1248 mConnId, buffering.toString().string());
1249 sp<MediaPlayerBase> p = getPlayer();
1250 if (p == 0) return UNKNOWN_ERROR;
1251 return p->setBufferingSettings(buffering);
1252 }
1253
getBufferingSettings(BufferingSettings * buffering)1254 status_t MediaPlayerService::Client::getBufferingSettings(
1255 BufferingSettings* buffering /* nonnull */)
1256 {
1257 sp<MediaPlayerBase> p = getPlayer();
1258 // TODO: create mPlayer on demand.
1259 if (p == 0) return UNKNOWN_ERROR;
1260 status_t ret = p->getBufferingSettings(buffering);
1261 if (ret == NO_ERROR) {
1262 ALOGV("[%d] getBufferingSettings{%s}",
1263 mConnId, buffering->toString().string());
1264 } else {
1265 ALOGE("[%d] getBufferingSettings returned %d", mConnId, ret);
1266 }
1267 return ret;
1268 }
1269
prepareAsync()1270 status_t MediaPlayerService::Client::prepareAsync()
1271 {
1272 ALOGV("[%d] prepareAsync", mConnId);
1273 sp<MediaPlayerBase> p = getPlayer();
1274 if (p == 0) return UNKNOWN_ERROR;
1275 status_t ret = p->prepareAsync();
1276 #if CALLBACK_ANTAGONIZER
1277 ALOGD("start Antagonizer");
1278 if (ret == NO_ERROR) mAntagonizer->start();
1279 #endif
1280 return ret;
1281 }
1282
start()1283 status_t MediaPlayerService::Client::start()
1284 {
1285 ALOGV("[%d] start", mConnId);
1286 sp<MediaPlayerBase> p = getPlayer();
1287 if (p == 0) return UNKNOWN_ERROR;
1288 p->setLooping(mLoop);
1289 return p->start();
1290 }
1291
stop()1292 status_t MediaPlayerService::Client::stop()
1293 {
1294 ALOGV("[%d] stop", mConnId);
1295 sp<MediaPlayerBase> p = getPlayer();
1296 if (p == 0) return UNKNOWN_ERROR;
1297 return p->stop();
1298 }
1299
pause()1300 status_t MediaPlayerService::Client::pause()
1301 {
1302 ALOGV("[%d] pause", mConnId);
1303 sp<MediaPlayerBase> p = getPlayer();
1304 if (p == 0) return UNKNOWN_ERROR;
1305 return p->pause();
1306 }
1307
isPlaying(bool * state)1308 status_t MediaPlayerService::Client::isPlaying(bool* state)
1309 {
1310 *state = false;
1311 sp<MediaPlayerBase> p = getPlayer();
1312 if (p == 0) return UNKNOWN_ERROR;
1313 *state = p->isPlaying();
1314 ALOGV("[%d] isPlaying: %d", mConnId, *state);
1315 return NO_ERROR;
1316 }
1317
setPlaybackSettings(const AudioPlaybackRate & rate)1318 status_t MediaPlayerService::Client::setPlaybackSettings(const AudioPlaybackRate& rate)
1319 {
1320 ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)",
1321 mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode);
1322 sp<MediaPlayerBase> p = getPlayer();
1323 if (p == 0) return UNKNOWN_ERROR;
1324 return p->setPlaybackSettings(rate);
1325 }
1326
getPlaybackSettings(AudioPlaybackRate * rate)1327 status_t MediaPlayerService::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */)
1328 {
1329 sp<MediaPlayerBase> p = getPlayer();
1330 if (p == 0) return UNKNOWN_ERROR;
1331 status_t ret = p->getPlaybackSettings(rate);
1332 if (ret == NO_ERROR) {
1333 ALOGV("[%d] getPlaybackSettings(%f, %f, %d, %d)",
1334 mConnId, rate->mSpeed, rate->mPitch, rate->mFallbackMode, rate->mStretchMode);
1335 } else {
1336 ALOGV("[%d] getPlaybackSettings returned %d", mConnId, ret);
1337 }
1338 return ret;
1339 }
1340
setSyncSettings(const AVSyncSettings & sync,float videoFpsHint)1341 status_t MediaPlayerService::Client::setSyncSettings(
1342 const AVSyncSettings& sync, float videoFpsHint)
1343 {
1344 ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)",
1345 mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint);
1346 sp<MediaPlayerBase> p = getPlayer();
1347 if (p == 0) return UNKNOWN_ERROR;
1348 return p->setSyncSettings(sync, videoFpsHint);
1349 }
1350
getSyncSettings(AVSyncSettings * sync,float * videoFps)1351 status_t MediaPlayerService::Client::getSyncSettings(
1352 AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */)
1353 {
1354 sp<MediaPlayerBase> p = getPlayer();
1355 if (p == 0) return UNKNOWN_ERROR;
1356 status_t ret = p->getSyncSettings(sync, videoFps);
1357 if (ret == NO_ERROR) {
1358 ALOGV("[%d] getSyncSettings(%u, %u, %f, %f)",
1359 mConnId, sync->mSource, sync->mAudioAdjustMode, sync->mTolerance, *videoFps);
1360 } else {
1361 ALOGV("[%d] getSyncSettings returned %d", mConnId, ret);
1362 }
1363 return ret;
1364 }
1365
getCurrentPosition(int * msec)1366 status_t MediaPlayerService::Client::getCurrentPosition(int *msec)
1367 {
1368 ALOGV("getCurrentPosition");
1369 sp<MediaPlayerBase> p = getPlayer();
1370 if (p == 0) return UNKNOWN_ERROR;
1371 status_t ret = p->getCurrentPosition(msec);
1372 if (ret == NO_ERROR) {
1373 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec);
1374 } else {
1375 ALOGE("getCurrentPosition returned %d", ret);
1376 }
1377 return ret;
1378 }
1379
getDuration(int * msec)1380 status_t MediaPlayerService::Client::getDuration(int *msec)
1381 {
1382 ALOGV("getDuration");
1383 sp<MediaPlayerBase> p = getPlayer();
1384 if (p == 0) return UNKNOWN_ERROR;
1385 status_t ret = p->getDuration(msec);
1386 if (ret == NO_ERROR) {
1387 ALOGV("[%d] getDuration = %d", mConnId, *msec);
1388 } else {
1389 ALOGE("getDuration returned %d", ret);
1390 }
1391 return ret;
1392 }
1393
setNextPlayer(const sp<IMediaPlayer> & player)1394 status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) {
1395 ALOGV("setNextPlayer");
1396 Mutex::Autolock l(mLock);
1397 sp<Client> c = static_cast<Client*>(player.get());
1398 if (c != NULL && !mService->hasClient(c)) {
1399 return BAD_VALUE;
1400 }
1401
1402 mNextClient = c;
1403
1404 if (c != NULL) {
1405 if (mAudioOutput != NULL) {
1406 mAudioOutput->setNextOutput(c->mAudioOutput);
1407 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) {
1408 ALOGE("no current audio output");
1409 }
1410
1411 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) {
1412 mPlayer->setNextPlayer(mNextClient->getPlayer());
1413 }
1414 }
1415
1416 return OK;
1417 }
1418
applyVolumeShaper(const sp<VolumeShaper::Configuration> & configuration,const sp<VolumeShaper::Operation> & operation)1419 VolumeShaper::Status MediaPlayerService::Client::applyVolumeShaper(
1420 const sp<VolumeShaper::Configuration>& configuration,
1421 const sp<VolumeShaper::Operation>& operation) {
1422 // for hardware output, call player instead
1423 ALOGV("Client::applyVolumeShaper(%p)", this);
1424 sp<MediaPlayerBase> p = getPlayer();
1425 {
1426 Mutex::Autolock l(mLock);
1427 if (p != 0 && p->hardwareOutput()) {
1428 // TODO: investigate internal implementation
1429 return VolumeShaper::Status(INVALID_OPERATION);
1430 }
1431 if (mAudioOutput.get() != nullptr) {
1432 return mAudioOutput->applyVolumeShaper(configuration, operation);
1433 }
1434 }
1435 return VolumeShaper::Status(INVALID_OPERATION);
1436 }
1437
getVolumeShaperState(int id)1438 sp<VolumeShaper::State> MediaPlayerService::Client::getVolumeShaperState(int id) {
1439 // for hardware output, call player instead
1440 ALOGV("Client::getVolumeShaperState(%p)", this);
1441 sp<MediaPlayerBase> p = getPlayer();
1442 {
1443 Mutex::Autolock l(mLock);
1444 if (p != 0 && p->hardwareOutput()) {
1445 // TODO: investigate internal implementation.
1446 return nullptr;
1447 }
1448 if (mAudioOutput.get() != nullptr) {
1449 return mAudioOutput->getVolumeShaperState(id);
1450 }
1451 }
1452 return nullptr;
1453 }
1454
seekTo(int msec,MediaPlayerSeekMode mode)1455 status_t MediaPlayerService::Client::seekTo(int msec, MediaPlayerSeekMode mode)
1456 {
1457 ALOGV("[%d] seekTo(%d, %d)", mConnId, msec, mode);
1458 sp<MediaPlayerBase> p = getPlayer();
1459 if (p == 0) return UNKNOWN_ERROR;
1460 return p->seekTo(msec, mode);
1461 }
1462
reset()1463 status_t MediaPlayerService::Client::reset()
1464 {
1465 ALOGV("[%d] reset", mConnId);
1466 mRetransmitEndpointValid = false;
1467 sp<MediaPlayerBase> p = getPlayer();
1468 if (p == 0) return UNKNOWN_ERROR;
1469 return p->reset();
1470 }
1471
notifyAt(int64_t mediaTimeUs)1472 status_t MediaPlayerService::Client::notifyAt(int64_t mediaTimeUs)
1473 {
1474 ALOGV("[%d] notifyAt(%lld)", mConnId, (long long)mediaTimeUs);
1475 sp<MediaPlayerBase> p = getPlayer();
1476 if (p == 0) return UNKNOWN_ERROR;
1477 return p->notifyAt(mediaTimeUs);
1478 }
1479
setAudioStreamType(audio_stream_type_t type)1480 status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type)
1481 {
1482 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type);
1483 // TODO: for hardware output, call player instead
1484 Mutex::Autolock l(mLock);
1485 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type);
1486 return NO_ERROR;
1487 }
1488
setAudioAttributes_l(const Parcel & parcel)1489 status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel)
1490 {
1491 if (mAudioAttributes != NULL) { free(mAudioAttributes); }
1492 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t));
1493 if (mAudioAttributes == NULL) {
1494 return NO_MEMORY;
1495 }
1496 unmarshallAudioAttributes(parcel, mAudioAttributes);
1497
1498 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s",
1499 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags,
1500 mAudioAttributes->tags);
1501
1502 if (mAudioOutput != 0) {
1503 mAudioOutput->setAudioAttributes(mAudioAttributes);
1504 }
1505 return NO_ERROR;
1506 }
1507
setLooping(int loop)1508 status_t MediaPlayerService::Client::setLooping(int loop)
1509 {
1510 ALOGV("[%d] setLooping(%d)", mConnId, loop);
1511 mLoop = loop;
1512 sp<MediaPlayerBase> p = getPlayer();
1513 if (p != 0) return p->setLooping(loop);
1514 return NO_ERROR;
1515 }
1516
setVolume(float leftVolume,float rightVolume)1517 status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume)
1518 {
1519 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume);
1520
1521 // for hardware output, call player instead
1522 sp<MediaPlayerBase> p = getPlayer();
1523 {
1524 Mutex::Autolock l(mLock);
1525 if (p != 0 && p->hardwareOutput()) {
1526 MediaPlayerHWInterface* hwp =
1527 reinterpret_cast<MediaPlayerHWInterface*>(p.get());
1528 return hwp->setVolume(leftVolume, rightVolume);
1529 } else {
1530 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume);
1531 return NO_ERROR;
1532 }
1533 }
1534
1535 return NO_ERROR;
1536 }
1537
setAuxEffectSendLevel(float level)1538 status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level)
1539 {
1540 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level);
1541 Mutex::Autolock l(mLock);
1542 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level);
1543 return NO_ERROR;
1544 }
1545
attachAuxEffect(int effectId)1546 status_t MediaPlayerService::Client::attachAuxEffect(int effectId)
1547 {
1548 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId);
1549 Mutex::Autolock l(mLock);
1550 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId);
1551 return NO_ERROR;
1552 }
1553
setParameter(int key,const Parcel & request)1554 status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) {
1555 ALOGV("[%d] setParameter(%d)", mConnId, key);
1556 switch (key) {
1557 case KEY_PARAMETER_AUDIO_ATTRIBUTES:
1558 {
1559 Mutex::Autolock l(mLock);
1560 return setAudioAttributes_l(request);
1561 }
1562 default:
1563 sp<MediaPlayerBase> p = getPlayer();
1564 if (p == 0) { return UNKNOWN_ERROR; }
1565 return p->setParameter(key, request);
1566 }
1567 }
1568
getParameter(int key,Parcel * reply)1569 status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) {
1570 ALOGV("[%d] getParameter(%d)", mConnId, key);
1571 sp<MediaPlayerBase> p = getPlayer();
1572 if (p == 0) return UNKNOWN_ERROR;
1573 return p->getParameter(key, reply);
1574 }
1575
setRetransmitEndpoint(const struct sockaddr_in * endpoint)1576 status_t MediaPlayerService::Client::setRetransmitEndpoint(
1577 const struct sockaddr_in* endpoint) {
1578
1579 if (NULL != endpoint) {
1580 uint32_t a = ntohl(endpoint->sin_addr.s_addr);
1581 uint16_t p = ntohs(endpoint->sin_port);
1582 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId,
1583 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p);
1584 } else {
1585 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId);
1586 }
1587
1588 sp<MediaPlayerBase> p = getPlayer();
1589
1590 // Right now, the only valid time to set a retransmit endpoint is before
1591 // player selection has been made (since the presence or absence of a
1592 // retransmit endpoint is going to determine which player is selected during
1593 // setDataSource).
1594 if (p != 0) return INVALID_OPERATION;
1595
1596 if (NULL != endpoint) {
1597 Mutex::Autolock lock(mLock);
1598 mRetransmitEndpoint = *endpoint;
1599 mRetransmitEndpointValid = true;
1600 } else {
1601 Mutex::Autolock lock(mLock);
1602 mRetransmitEndpointValid = false;
1603 }
1604
1605 return NO_ERROR;
1606 }
1607
getRetransmitEndpoint(struct sockaddr_in * endpoint)1608 status_t MediaPlayerService::Client::getRetransmitEndpoint(
1609 struct sockaddr_in* endpoint)
1610 {
1611 if (NULL == endpoint)
1612 return BAD_VALUE;
1613
1614 sp<MediaPlayerBase> p = getPlayer();
1615
1616 if (p != NULL)
1617 return p->getRetransmitEndpoint(endpoint);
1618
1619 Mutex::Autolock lock(mLock);
1620 if (!mRetransmitEndpointValid)
1621 return NO_INIT;
1622
1623 *endpoint = mRetransmitEndpoint;
1624
1625 return NO_ERROR;
1626 }
1627
notify(int msg,int ext1,int ext2,const Parcel * obj)1628 void MediaPlayerService::Client::notify(
1629 int msg, int ext1, int ext2, const Parcel *obj)
1630 {
1631 sp<IMediaPlayerClient> c;
1632 sp<Client> nextClient;
1633 status_t errStartNext = NO_ERROR;
1634 {
1635 Mutex::Autolock l(mLock);
1636 c = mClient;
1637 if (msg == MEDIA_PLAYBACK_COMPLETE && mNextClient != NULL) {
1638 nextClient = mNextClient;
1639
1640 if (mAudioOutput != NULL)
1641 mAudioOutput->switchToNextOutput();
1642
1643 errStartNext = nextClient->start();
1644 }
1645 }
1646
1647 if (nextClient != NULL) {
1648 sp<IMediaPlayerClient> nc;
1649 {
1650 Mutex::Autolock l(nextClient->mLock);
1651 nc = nextClient->mClient;
1652 }
1653 if (nc != NULL) {
1654 if (errStartNext == NO_ERROR) {
1655 nc->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj);
1656 } else {
1657 nc->notify(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN , 0, obj);
1658 ALOGE("gapless:start playback for next track failed, err(%d)", errStartNext);
1659 }
1660 }
1661 }
1662
1663 if (MEDIA_INFO == msg &&
1664 MEDIA_INFO_METADATA_UPDATE == ext1) {
1665 const media::Metadata::Type metadata_type = ext2;
1666
1667 if(shouldDropMetadata(metadata_type)) {
1668 return;
1669 }
1670
1671 // Update the list of metadata that have changed. getMetadata
1672 // also access mMetadataUpdated and clears it.
1673 addNewMetadataUpdate(metadata_type);
1674 }
1675
1676 if (c != NULL) {
1677 ALOGV("[%d] notify (%d, %d, %d)", mConnId, msg, ext1, ext2);
1678 c->notify(msg, ext1, ext2, obj);
1679 }
1680 }
1681
1682
shouldDropMetadata(media::Metadata::Type code) const1683 bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const
1684 {
1685 Mutex::Autolock lock(mLock);
1686
1687 if (findMetadata(mMetadataDrop, code)) {
1688 return true;
1689 }
1690
1691 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) {
1692 return false;
1693 } else {
1694 return true;
1695 }
1696 }
1697
1698
addNewMetadataUpdate(media::Metadata::Type metadata_type)1699 void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) {
1700 Mutex::Autolock lock(mLock);
1701 if (mMetadataUpdated.indexOf(metadata_type) < 0) {
1702 mMetadataUpdated.add(metadata_type);
1703 }
1704 }
1705
1706 // Modular DRM
prepareDrm(const uint8_t uuid[16],const Vector<uint8_t> & drmSessionId)1707 status_t MediaPlayerService::Client::prepareDrm(const uint8_t uuid[16],
1708 const Vector<uint8_t>& drmSessionId)
1709 {
1710 ALOGV("[%d] prepareDrm", mConnId);
1711 sp<MediaPlayerBase> p = getPlayer();
1712 if (p == 0) return UNKNOWN_ERROR;
1713
1714 status_t ret = p->prepareDrm(uuid, drmSessionId);
1715 ALOGV("prepareDrm ret: %d", ret);
1716
1717 return ret;
1718 }
1719
releaseDrm()1720 status_t MediaPlayerService::Client::releaseDrm()
1721 {
1722 ALOGV("[%d] releaseDrm", mConnId);
1723 sp<MediaPlayerBase> p = getPlayer();
1724 if (p == 0) return UNKNOWN_ERROR;
1725
1726 status_t ret = p->releaseDrm();
1727 ALOGV("releaseDrm ret: %d", ret);
1728
1729 return ret;
1730 }
1731
setOutputDevice(audio_port_handle_t deviceId)1732 status_t MediaPlayerService::Client::setOutputDevice(audio_port_handle_t deviceId)
1733 {
1734 ALOGV("[%d] setOutputDevice", mConnId);
1735 {
1736 Mutex::Autolock l(mLock);
1737 if (mAudioOutput.get() != nullptr) {
1738 return mAudioOutput->setOutputDevice(deviceId);
1739 }
1740 }
1741 return NO_INIT;
1742 }
1743
getRoutedDeviceId(audio_port_handle_t * deviceId)1744 status_t MediaPlayerService::Client::getRoutedDeviceId(audio_port_handle_t* deviceId)
1745 {
1746 ALOGV("[%d] getRoutedDeviceId", mConnId);
1747 {
1748 Mutex::Autolock l(mLock);
1749 if (mAudioOutput.get() != nullptr) {
1750 return mAudioOutput->getRoutedDeviceId(deviceId);
1751 }
1752 }
1753 return NO_INIT;
1754 }
1755
enableAudioDeviceCallback(bool enabled)1756 status_t MediaPlayerService::Client::enableAudioDeviceCallback(bool enabled)
1757 {
1758 ALOGV("[%d] enableAudioDeviceCallback, %d", mConnId, enabled);
1759 {
1760 Mutex::Autolock l(mLock);
1761 if (mAudioOutput.get() != nullptr) {
1762 return mAudioOutput->enableAudioDeviceCallback(enabled);
1763 }
1764 }
1765 return NO_INIT;
1766 }
1767
1768 #if CALLBACK_ANTAGONIZER
1769 const int Antagonizer::interval = 10000; // 10 msecs
1770
Antagonizer(const sp<MediaPlayerBase::Listener> & listener)1771 Antagonizer::Antagonizer(const sp<MediaPlayerBase::Listener> &listener) :
1772 mExit(false), mActive(false), mListener(listener)
1773 {
1774 createThread(callbackThread, this);
1775 }
1776
kill()1777 void Antagonizer::kill()
1778 {
1779 Mutex::Autolock _l(mLock);
1780 mActive = false;
1781 mExit = true;
1782 mCondition.wait(mLock);
1783 }
1784
callbackThread(void * user)1785 int Antagonizer::callbackThread(void* user)
1786 {
1787 ALOGD("Antagonizer started");
1788 Antagonizer* p = reinterpret_cast<Antagonizer*>(user);
1789 while (!p->mExit) {
1790 if (p->mActive) {
1791 ALOGV("send event");
1792 p->mListener->notify(0, 0, 0, 0);
1793 }
1794 usleep(interval);
1795 }
1796 Mutex::Autolock _l(p->mLock);
1797 p->mCondition.signal();
1798 ALOGD("Antagonizer stopped");
1799 return 0;
1800 }
1801 #endif
1802
1803 #undef LOG_TAG
1804 #define LOG_TAG "AudioSink"
AudioOutput(audio_session_t sessionId,const AttributionSourceState & attributionSource,const audio_attributes_t * attr,const sp<AudioSystem::AudioDeviceCallback> & deviceCallback)1805 MediaPlayerService::AudioOutput::AudioOutput(audio_session_t sessionId,
1806 const AttributionSourceState& attributionSource, const audio_attributes_t* attr,
1807 const sp<AudioSystem::AudioDeviceCallback>& deviceCallback)
1808 : mCallback(NULL),
1809 mCallbackCookie(NULL),
1810 mCallbackData(NULL),
1811 mStreamType(AUDIO_STREAM_MUSIC),
1812 mLeftVolume(1.0),
1813 mRightVolume(1.0),
1814 mPlaybackRate(AUDIO_PLAYBACK_RATE_DEFAULT),
1815 mSampleRateHz(0),
1816 mMsecsPerFrame(0),
1817 mFrameSize(0),
1818 mSessionId(sessionId),
1819 mAttributionSource(attributionSource),
1820 mSendLevel(0.0),
1821 mAuxEffectId(0),
1822 mFlags(AUDIO_OUTPUT_FLAG_NONE),
1823 mVolumeHandler(new media::VolumeHandler()),
1824 mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE),
1825 mRoutedDeviceId(AUDIO_PORT_HANDLE_NONE),
1826 mDeviceCallbackEnabled(false),
1827 mDeviceCallback(deviceCallback)
1828 {
1829 ALOGV("AudioOutput(%d)", sessionId);
1830 if (attr != NULL) {
1831 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t));
1832 if (mAttributes != NULL) {
1833 memcpy(mAttributes, attr, sizeof(audio_attributes_t));
1834 mStreamType = AudioSystem::attributesToStreamType(*attr);
1835 }
1836 } else {
1837 mAttributes = NULL;
1838 }
1839 setMinBufferCount();
1840 }
1841
~AudioOutput()1842 MediaPlayerService::AudioOutput::~AudioOutput()
1843 {
1844 close();
1845 free(mAttributes);
1846 }
1847
1848 //static
setMinBufferCount()1849 void MediaPlayerService::AudioOutput::setMinBufferCount()
1850 {
1851 if (property_get_bool("ro.boot.qemu", false)) {
1852 mIsOnEmulator = true;
1853 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator
1854 }
1855 }
1856
1857 // static
isOnEmulator()1858 bool MediaPlayerService::AudioOutput::isOnEmulator()
1859 {
1860 setMinBufferCount(); // benign race wrt other threads
1861 return mIsOnEmulator;
1862 }
1863
1864 // static
getMinBufferCount()1865 int MediaPlayerService::AudioOutput::getMinBufferCount()
1866 {
1867 setMinBufferCount(); // benign race wrt other threads
1868 return mMinBufferCount;
1869 }
1870
bufferSize() const1871 ssize_t MediaPlayerService::AudioOutput::bufferSize() const
1872 {
1873 Mutex::Autolock lock(mLock);
1874 if (mTrack == 0) return NO_INIT;
1875 return mTrack->frameCount() * mFrameSize;
1876 }
1877
frameCount() const1878 ssize_t MediaPlayerService::AudioOutput::frameCount() const
1879 {
1880 Mutex::Autolock lock(mLock);
1881 if (mTrack == 0) return NO_INIT;
1882 return mTrack->frameCount();
1883 }
1884
channelCount() const1885 ssize_t MediaPlayerService::AudioOutput::channelCount() const
1886 {
1887 Mutex::Autolock lock(mLock);
1888 if (mTrack == 0) return NO_INIT;
1889 return mTrack->channelCount();
1890 }
1891
frameSize() const1892 ssize_t MediaPlayerService::AudioOutput::frameSize() const
1893 {
1894 Mutex::Autolock lock(mLock);
1895 if (mTrack == 0) return NO_INIT;
1896 return mFrameSize;
1897 }
1898
latency() const1899 uint32_t MediaPlayerService::AudioOutput::latency () const
1900 {
1901 Mutex::Autolock lock(mLock);
1902 if (mTrack == 0) return 0;
1903 return mTrack->latency();
1904 }
1905
msecsPerFrame() const1906 float MediaPlayerService::AudioOutput::msecsPerFrame() const
1907 {
1908 Mutex::Autolock lock(mLock);
1909 return mMsecsPerFrame;
1910 }
1911
getPosition(uint32_t * position) const1912 status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const
1913 {
1914 Mutex::Autolock lock(mLock);
1915 if (mTrack == 0) return NO_INIT;
1916 return mTrack->getPosition(position);
1917 }
1918
getTimestamp(AudioTimestamp & ts) const1919 status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const
1920 {
1921 Mutex::Autolock lock(mLock);
1922 if (mTrack == 0) return NO_INIT;
1923 return mTrack->getTimestamp(ts);
1924 }
1925
1926 // TODO: Remove unnecessary calls to getPlayedOutDurationUs()
1927 // as it acquires locks and may query the audio driver.
1928 //
1929 // Some calls could conceivably retrieve extrapolated data instead of
1930 // accessing getTimestamp() or getPosition() every time a data buffer with
1931 // a media time is received.
1932 //
1933 // Calculate duration of played samples if played at normal rate (i.e., 1.0).
getPlayedOutDurationUs(int64_t nowUs) const1934 int64_t MediaPlayerService::AudioOutput::getPlayedOutDurationUs(int64_t nowUs) const
1935 {
1936 Mutex::Autolock lock(mLock);
1937 if (mTrack == 0 || mSampleRateHz == 0) {
1938 return 0;
1939 }
1940
1941 uint32_t numFramesPlayed;
1942 int64_t numFramesPlayedAtUs;
1943 AudioTimestamp ts;
1944
1945 status_t res = mTrack->getTimestamp(ts);
1946 if (res == OK) { // case 1: mixing audio tracks and offloaded tracks.
1947 numFramesPlayed = ts.mPosition;
1948 numFramesPlayedAtUs = ts.mTime.tv_sec * 1000000LL + ts.mTime.tv_nsec / 1000;
1949 //ALOGD("getTimestamp: OK %d %lld", numFramesPlayed, (long long)numFramesPlayedAtUs);
1950 } else if (res == WOULD_BLOCK) { // case 2: transitory state on start of a new track
1951 numFramesPlayed = 0;
1952 numFramesPlayedAtUs = nowUs;
1953 //ALOGD("getTimestamp: WOULD_BLOCK %d %lld",
1954 // numFramesPlayed, (long long)numFramesPlayedAtUs);
1955 } else { // case 3: transitory at new track or audio fast tracks.
1956 res = mTrack->getPosition(&numFramesPlayed);
1957 CHECK_EQ(res, (status_t)OK);
1958 numFramesPlayedAtUs = nowUs;
1959 numFramesPlayedAtUs += 1000LL * mTrack->latency() / 2; /* XXX */
1960 //ALOGD("getPosition: %u %lld", numFramesPlayed, (long long)numFramesPlayedAtUs);
1961 }
1962
1963 // CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test
1964 // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours.
1965 int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000000LL / mSampleRateHz)
1966 + nowUs - numFramesPlayedAtUs;
1967 if (durationUs < 0) {
1968 // Occurs when numFramesPlayed position is very small and the following:
1969 // (1) In case 1, the time nowUs is computed before getTimestamp() is called and
1970 // numFramesPlayedAtUs is greater than nowUs by time more than numFramesPlayed.
1971 // (2) In case 3, using getPosition and adding mAudioSink->latency() to
1972 // numFramesPlayedAtUs, by a time amount greater than numFramesPlayed.
1973 //
1974 // Both of these are transitory conditions.
1975 ALOGV("getPlayedOutDurationUs: negative duration %lld set to zero", (long long)durationUs);
1976 durationUs = 0;
1977 }
1978 ALOGV("getPlayedOutDurationUs(%lld) nowUs(%lld) frames(%u) framesAt(%lld)",
1979 (long long)durationUs, (long long)nowUs,
1980 numFramesPlayed, (long long)numFramesPlayedAtUs);
1981 return durationUs;
1982 }
1983
getFramesWritten(uint32_t * frameswritten) const1984 status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const
1985 {
1986 Mutex::Autolock lock(mLock);
1987 if (mTrack == 0) return NO_INIT;
1988 ExtendedTimestamp ets;
1989 status_t status = mTrack->getTimestamp(&ets);
1990 if (status == OK || status == WOULD_BLOCK) {
1991 *frameswritten = (uint32_t)ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT];
1992 }
1993 return status;
1994 }
1995
setParameters(const String8 & keyValuePairs)1996 status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs)
1997 {
1998 Mutex::Autolock lock(mLock);
1999 if (mTrack == 0) return NO_INIT;
2000 return mTrack->setParameters(keyValuePairs);
2001 }
2002
getParameters(const String8 & keys)2003 String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys)
2004 {
2005 Mutex::Autolock lock(mLock);
2006 if (mTrack == 0) return String8::empty();
2007 return mTrack->getParameters(keys);
2008 }
2009
setAudioAttributes(const audio_attributes_t * attributes)2010 void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) {
2011 Mutex::Autolock lock(mLock);
2012 if (attributes == NULL) {
2013 free(mAttributes);
2014 mAttributes = NULL;
2015 } else {
2016 if (mAttributes == NULL) {
2017 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t));
2018 }
2019 memcpy(mAttributes, attributes, sizeof(audio_attributes_t));
2020 mStreamType = AudioSystem::attributesToStreamType(*attributes);
2021 }
2022 }
2023
setAudioStreamType(audio_stream_type_t streamType)2024 void MediaPlayerService::AudioOutput::setAudioStreamType(audio_stream_type_t streamType)
2025 {
2026 Mutex::Autolock lock(mLock);
2027 // do not allow direct stream type modification if attributes have been set
2028 if (mAttributes == NULL) {
2029 mStreamType = streamType;
2030 }
2031 }
2032
deleteRecycledTrack_l()2033 void MediaPlayerService::AudioOutput::deleteRecycledTrack_l()
2034 {
2035 ALOGV("deleteRecycledTrack_l");
2036 if (mRecycledTrack != 0) {
2037
2038 if (mCallbackData != NULL) {
2039 mCallbackData->setOutput(NULL);
2040 mCallbackData->endTrackSwitch();
2041 }
2042
2043 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) {
2044 int32_t msec = 0;
2045 if (!mRecycledTrack->stopped()) { // check if active
2046 (void)mRecycledTrack->pendingDuration(&msec);
2047 }
2048 mRecycledTrack->stop(); // ensure full data drain
2049 ALOGD("deleting recycled track, waiting for data drain (%d msec)", msec);
2050 if (msec > 0) {
2051 static const int32_t WAIT_LIMIT_MS = 3000;
2052 if (msec > WAIT_LIMIT_MS) {
2053 msec = WAIT_LIMIT_MS;
2054 }
2055 usleep(msec * 1000LL);
2056 }
2057 }
2058 // An offloaded track isn't flushed because the STREAM_END is reported
2059 // slightly prematurely to allow time for the gapless track switch
2060 // but this means that if we decide not to recycle the track there
2061 // could be a small amount of residual data still playing. We leave
2062 // AudioFlinger to drain the track.
2063
2064 mRecycledTrack.clear();
2065 close_l();
2066 mCallbackData.clear();
2067 }
2068 }
2069
close_l()2070 void MediaPlayerService::AudioOutput::close_l()
2071 {
2072 mTrack.clear();
2073 }
2074
open(uint32_t sampleRate,int channelCount,audio_channel_mask_t channelMask,audio_format_t format,int bufferCount,AudioCallback cb,void * cookie,audio_output_flags_t flags,const audio_offload_info_t * offloadInfo,bool doNotReconnect,uint32_t suggestedFrameCount)2075 status_t MediaPlayerService::AudioOutput::open(
2076 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
2077 audio_format_t format, int bufferCount,
2078 AudioCallback cb, void *cookie,
2079 audio_output_flags_t flags,
2080 const audio_offload_info_t *offloadInfo,
2081 bool doNotReconnect,
2082 uint32_t suggestedFrameCount)
2083 {
2084 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask,
2085 format, bufferCount, mSessionId, flags);
2086
2087 // offloading is only supported in callback mode for now.
2088 // offloadInfo must be present if offload flag is set
2089 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) &&
2090 ((cb == NULL) || (offloadInfo == NULL))) {
2091 return BAD_VALUE;
2092 }
2093
2094 // compute frame count for the AudioTrack internal buffer
2095 size_t frameCount;
2096 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
2097 frameCount = 0; // AudioTrack will get frame count from AudioFlinger
2098 } else {
2099 // try to estimate the buffer processing fetch size from AudioFlinger.
2100 // framesPerBuffer is approximate and generally correct, except when it's not :-).
2101 uint32_t afSampleRate;
2102 size_t afFrameCount;
2103 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) {
2104 return NO_INIT;
2105 }
2106 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) {
2107 return NO_INIT;
2108 }
2109 if (afSampleRate == 0) {
2110 return NO_INIT;
2111 }
2112 const size_t framesPerBuffer =
2113 (unsigned long long)sampleRate * afFrameCount / afSampleRate;
2114
2115 if (bufferCount == 0) {
2116 if (framesPerBuffer == 0) {
2117 return NO_INIT;
2118 }
2119 // use suggestedFrameCount
2120 bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer;
2121 }
2122 // Check argument bufferCount against the mininum buffer count
2123 if (bufferCount != 0 && bufferCount < mMinBufferCount) {
2124 ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount);
2125 bufferCount = mMinBufferCount;
2126 }
2127 // if frameCount is 0, then AudioTrack will get frame count from AudioFlinger
2128 // which will be the minimum size permitted.
2129 frameCount = bufferCount * framesPerBuffer;
2130 }
2131
2132 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
2133 channelMask = audio_channel_out_mask_from_count(channelCount);
2134 if (0 == channelMask) {
2135 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount);
2136 return NO_INIT;
2137 }
2138 }
2139
2140 Mutex::Autolock lock(mLock);
2141 mCallback = cb;
2142 mCallbackCookie = cookie;
2143
2144 // Check whether we can recycle the track
2145 bool reuse = false;
2146 bool bothOffloaded = false;
2147
2148 if (mRecycledTrack != 0) {
2149 // check whether we are switching between two offloaded tracks
2150 bothOffloaded = (flags & mRecycledTrack->getFlags()
2151 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0;
2152
2153 // check if the existing track can be reused as-is, or if a new track needs to be created.
2154 reuse = true;
2155
2156 if ((mCallbackData == NULL && mCallback != NULL) ||
2157 (mCallbackData != NULL && mCallback == NULL)) {
2158 // recycled track uses callbacks but the caller wants to use writes, or vice versa
2159 ALOGV("can't chain callback and write");
2160 reuse = false;
2161 } else if ((mRecycledTrack->getSampleRate() != sampleRate) ||
2162 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) {
2163 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch",
2164 mRecycledTrack->getSampleRate(), sampleRate,
2165 mRecycledTrack->channelCount(), channelCount);
2166 reuse = false;
2167 } else if (flags != mFlags) {
2168 ALOGV("output flags differ %08x/%08x", flags, mFlags);
2169 reuse = false;
2170 } else if (mRecycledTrack->format() != format) {
2171 reuse = false;
2172 }
2173 } else {
2174 ALOGV("no track available to recycle");
2175 }
2176
2177 ALOGV_IF(bothOffloaded, "both tracks offloaded");
2178
2179 // If we can't recycle and both tracks are offloaded
2180 // we must close the previous output before opening a new one
2181 if (bothOffloaded && !reuse) {
2182 ALOGV("both offloaded and not recycling");
2183 deleteRecycledTrack_l();
2184 }
2185
2186 sp<AudioTrack> t;
2187 sp<CallbackData> newcbd;
2188
2189 // We don't attempt to create a new track if we are recycling an
2190 // offloaded track. But, if we are recycling a non-offloaded or we
2191 // are switching where one is offloaded and one isn't then we create
2192 // the new track in advance so that we can read additional stream info
2193
2194 if (!(reuse && bothOffloaded)) {
2195 ALOGV("creating new AudioTrack");
2196
2197 if (mCallback != nullptr) {
2198 newcbd = sp<CallbackData>::make(wp<AudioOutput>::fromExisting(this));
2199 t = new AudioTrack(
2200 mStreamType,
2201 sampleRate,
2202 format,
2203 channelMask,
2204 frameCount,
2205 flags,
2206 newcbd,
2207 0, // notification frames
2208 mSessionId,
2209 AudioTrack::TRANSFER_CALLBACK,
2210 offloadInfo,
2211 mAttributionSource,
2212 mAttributes,
2213 doNotReconnect,
2214 1.0f, // default value for maxRequiredSpeed
2215 mSelectedDeviceId);
2216 } else {
2217 // TODO: Due to buffer memory concerns, we use a max target playback speed
2218 // based on mPlaybackRate at the time of open (instead of kMaxRequiredSpeed),
2219 // also clamping the target speed to 1.0 <= targetSpeed <= kMaxRequiredSpeed.
2220 const float targetSpeed =
2221 std::min(std::max(mPlaybackRate.mSpeed, 1.0f), kMaxRequiredSpeed);
2222 ALOGW_IF(targetSpeed != mPlaybackRate.mSpeed,
2223 "track target speed:%f clamped from playback speed:%f",
2224 targetSpeed, mPlaybackRate.mSpeed);
2225 t = new AudioTrack(
2226 mStreamType,
2227 sampleRate,
2228 format,
2229 channelMask,
2230 frameCount,
2231 flags,
2232 nullptr, // callback
2233 0, // notification frames
2234 mSessionId,
2235 AudioTrack::TRANSFER_DEFAULT,
2236 NULL, // offload info
2237 mAttributionSource,
2238 mAttributes,
2239 doNotReconnect,
2240 targetSpeed,
2241 mSelectedDeviceId);
2242 }
2243 // Set caller name so it can be logged in destructor.
2244 // MediaMetricsConstants.h: AMEDIAMETRICS_PROP_CALLERNAME_VALUE_MEDIA
2245 t->setCallerName("media");
2246 if ((t == 0) || (t->initCheck() != NO_ERROR)) {
2247 ALOGE("Unable to create audio track");
2248 // t, newcbd goes out of scope, so reference count drops to zero
2249 return NO_INIT;
2250 } else {
2251 // successful AudioTrack initialization implies a legacy stream type was generated
2252 // from the audio attributes
2253 mStreamType = t->streamType();
2254 }
2255 }
2256
2257 if (reuse) {
2258 CHECK(mRecycledTrack != NULL);
2259
2260 if (!bothOffloaded) {
2261 if (mRecycledTrack->frameCount() != t->frameCount()) {
2262 ALOGV("framecount differs: %zu/%zu frames",
2263 mRecycledTrack->frameCount(), t->frameCount());
2264 reuse = false;
2265 }
2266 // If recycled and new tracks are not on the same output,
2267 // don't reuse the recycled one.
2268 if (mRecycledTrack->getOutput() != t->getOutput()) {
2269 ALOGV("output has changed, don't reuse track");
2270 reuse = false;
2271 }
2272 }
2273
2274 if (reuse) {
2275 ALOGV("chaining to next output and recycling track");
2276 close_l();
2277 mTrack = mRecycledTrack;
2278 mRecycledTrack.clear();
2279 if (mCallbackData != NULL) {
2280 mCallbackData->setOutput(this);
2281 }
2282 return updateTrack();
2283 }
2284 }
2285
2286 // we're not going to reuse the track, unblock and flush it
2287 // this was done earlier if both tracks are offloaded
2288 if (!bothOffloaded) {
2289 deleteRecycledTrack_l();
2290 }
2291
2292 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL)));
2293
2294 mCallbackData = newcbd;
2295 ALOGV("setVolume");
2296 t->setVolume(mLeftVolume, mRightVolume);
2297
2298 // Restore VolumeShapers for the MediaPlayer in case the track was recreated
2299 // due to an output sink error (e.g. offload to non-offload switch).
2300 mVolumeHandler->forall([&t](const VolumeShaper &shaper) -> VolumeShaper::Status {
2301 sp<VolumeShaper::Operation> operationToEnd =
2302 new VolumeShaper::Operation(shaper.mOperation);
2303 // TODO: Ideally we would restore to the exact xOffset position
2304 // as returned by getVolumeShaperState(), but we don't have that
2305 // information when restoring at the client unless we periodically poll
2306 // the server or create shared memory state.
2307 //
2308 // For now, we simply advance to the end of the VolumeShaper effect
2309 // if it has been started.
2310 if (shaper.isStarted()) {
2311 operationToEnd->setNormalizedTime(1.f);
2312 }
2313 return t->applyVolumeShaper(shaper.mConfiguration, operationToEnd);
2314 });
2315
2316 mSampleRateHz = sampleRate;
2317 mFlags = flags;
2318 mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate);
2319 mFrameSize = t->frameSize();
2320 mTrack = t;
2321
2322 return updateTrack();
2323 }
2324
updateTrack()2325 status_t MediaPlayerService::AudioOutput::updateTrack() {
2326 if (mTrack == NULL) {
2327 return NO_ERROR;
2328 }
2329
2330 status_t res = NO_ERROR;
2331 // Note some output devices may give us a direct track even though we don't specify it.
2332 // Example: Line application b/17459982.
2333 if ((mTrack->getFlags()
2334 & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) {
2335 res = mTrack->setPlaybackRate(mPlaybackRate);
2336 if (res == NO_ERROR) {
2337 mTrack->setAuxEffectSendLevel(mSendLevel);
2338 res = mTrack->attachAuxEffect(mAuxEffectId);
2339 }
2340 }
2341 mTrack->setOutputDevice(mSelectedDeviceId);
2342 if (mDeviceCallbackEnabled) {
2343 mTrack->addAudioDeviceCallback(mDeviceCallback.promote());
2344 }
2345 ALOGV("updateTrack() DONE status %d", res);
2346 return res;
2347 }
2348
start()2349 status_t MediaPlayerService::AudioOutput::start()
2350 {
2351 ALOGV("start");
2352 Mutex::Autolock lock(mLock);
2353 if (mCallbackData != NULL) {
2354 mCallbackData->endTrackSwitch();
2355 }
2356 if (mTrack != 0) {
2357 mTrack->setVolume(mLeftVolume, mRightVolume);
2358 mTrack->setAuxEffectSendLevel(mSendLevel);
2359 status_t status = mTrack->start();
2360 if (status == NO_ERROR) {
2361 mVolumeHandler->setStarted();
2362 }
2363 return status;
2364 }
2365 return NO_INIT;
2366 }
2367
setNextOutput(const sp<AudioOutput> & nextOutput)2368 void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) {
2369 Mutex::Autolock lock(mLock);
2370 mNextOutput = nextOutput;
2371 }
2372
switchToNextOutput()2373 void MediaPlayerService::AudioOutput::switchToNextOutput() {
2374 ALOGV("switchToNextOutput");
2375
2376 // Try to acquire the callback lock before moving track (without incurring deadlock).
2377 const unsigned kMaxSwitchTries = 100;
2378 Mutex::Autolock lock(mLock);
2379 for (unsigned tries = 0;;) {
2380 if (mTrack == 0) {
2381 return;
2382 }
2383 if (mNextOutput != NULL && mNextOutput != this) {
2384 if (mCallbackData != NULL) {
2385 // two alternative approaches
2386 #if 1
2387 sp<CallbackData> callbackData = mCallbackData;
2388 mLock.unlock();
2389 // proper acquisition sequence
2390 callbackData->lock();
2391 mLock.lock();
2392 // Caution: it is unlikely that someone deleted our callback or changed our target
2393 if (callbackData != mCallbackData || mNextOutput == NULL || mNextOutput == this) {
2394 // fatal if we are starved out.
2395 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries,
2396 "switchToNextOutput() cannot obtain correct lock sequence");
2397 callbackData->unlock();
2398 continue;
2399 }
2400 callbackData->mSwitching = true; // begin track switch
2401 callbackData->setOutput(NULL);
2402 #else
2403 // tryBeginTrackSwitch() returns false if the callback has the lock.
2404 if (!mCallbackData->tryBeginTrackSwitch()) {
2405 // fatal if we are starved out.
2406 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries,
2407 "switchToNextOutput() cannot obtain callback lock");
2408 mLock.unlock();
2409 usleep(5 * 1000 /* usec */); // allow callback to use AudioOutput
2410 mLock.lock();
2411 continue;
2412 }
2413 #endif
2414 }
2415
2416 Mutex::Autolock nextLock(mNextOutput->mLock);
2417
2418 // If the next output track is not NULL, then it has been
2419 // opened already for playback.
2420 // This is possible even without the next player being started,
2421 // for example, the next player could be prepared and seeked.
2422 //
2423 // Presuming it isn't advisable to force the track over.
2424 if (mNextOutput->mTrack == nullptr) {
2425 ALOGD("Recycling track for gapless playback");
2426 mNextOutput->mCallbackData = mCallbackData;
2427 mNextOutput->mRecycledTrack = mTrack;
2428 mNextOutput->mSampleRateHz = mSampleRateHz;
2429 mNextOutput->mMsecsPerFrame = mMsecsPerFrame;
2430 mNextOutput->mFlags = mFlags;
2431 mNextOutput->mFrameSize = mFrameSize;
2432 close_l();
2433 mCallbackData.clear();
2434 } else {
2435 ALOGW("Ignoring gapless playback because next player has already started");
2436 // remove track in case resource needed for future players.
2437 if (mCallbackData != nullptr) {
2438 mCallbackData->endTrackSwitch(); // release lock for callbacks before close.
2439 }
2440 close_l();
2441 }
2442 }
2443 break;
2444 }
2445 }
2446
write(const void * buffer,size_t size,bool blocking)2447 ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking)
2448 {
2449 Mutex::Autolock lock(mLock);
2450 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback.");
2451
2452 //ALOGV("write(%p, %u)", buffer, size);
2453 if (mTrack != 0) {
2454 return mTrack->write(buffer, size, blocking);
2455 }
2456 return NO_INIT;
2457 }
2458
stop()2459 void MediaPlayerService::AudioOutput::stop()
2460 {
2461 ALOGV("stop");
2462 Mutex::Autolock lock(mLock);
2463 if (mTrack != 0) mTrack->stop();
2464 }
2465
flush()2466 void MediaPlayerService::AudioOutput::flush()
2467 {
2468 ALOGV("flush");
2469 Mutex::Autolock lock(mLock);
2470 if (mTrack != 0) mTrack->flush();
2471 }
2472
pause()2473 void MediaPlayerService::AudioOutput::pause()
2474 {
2475 ALOGV("pause");
2476 // We use pauseAndWait() instead of pause() to ensure tracks ramp to silence before
2477 // any flush. We choose 40 ms timeout to allow 1 deep buffer mixer period
2478 // to occur. Often waiting is 0 - 20 ms.
2479 using namespace std::chrono_literals;
2480 constexpr auto TIMEOUT_MS = 40ms;
2481 Mutex::Autolock lock(mLock);
2482 if (mTrack != 0) mTrack->pauseAndWait(TIMEOUT_MS);
2483 }
2484
close()2485 void MediaPlayerService::AudioOutput::close()
2486 {
2487 ALOGV("close");
2488 sp<AudioTrack> track;
2489 {
2490 Mutex::Autolock lock(mLock);
2491 track = mTrack;
2492 close_l(); // clears mTrack
2493 }
2494 // destruction of the track occurs outside of mutex.
2495 }
2496
setVolume(float left,float right)2497 void MediaPlayerService::AudioOutput::setVolume(float left, float right)
2498 {
2499 ALOGV("setVolume(%f, %f)", left, right);
2500 Mutex::Autolock lock(mLock);
2501 mLeftVolume = left;
2502 mRightVolume = right;
2503 if (mTrack != 0) {
2504 mTrack->setVolume(left, right);
2505 }
2506 }
2507
setPlaybackRate(const AudioPlaybackRate & rate)2508 status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate)
2509 {
2510 ALOGV("setPlaybackRate(%f %f %d %d)",
2511 rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode);
2512 Mutex::Autolock lock(mLock);
2513 if (mTrack == 0) {
2514 // remember rate so that we can set it when the track is opened
2515 mPlaybackRate = rate;
2516 return OK;
2517 }
2518 status_t res = mTrack->setPlaybackRate(rate);
2519 if (res != NO_ERROR) {
2520 return res;
2521 }
2522 // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded
2523 CHECK_GT(rate.mSpeed, 0.f);
2524 mPlaybackRate = rate;
2525 if (mSampleRateHz != 0) {
2526 mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz);
2527 }
2528 return res;
2529 }
2530
getPlaybackRate(AudioPlaybackRate * rate)2531 status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate)
2532 {
2533 ALOGV("setPlaybackRate");
2534 Mutex::Autolock lock(mLock);
2535 if (mTrack == 0) {
2536 return NO_INIT;
2537 }
2538 *rate = mTrack->getPlaybackRate();
2539 return NO_ERROR;
2540 }
2541
setAuxEffectSendLevel(float level)2542 status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level)
2543 {
2544 ALOGV("setAuxEffectSendLevel(%f)", level);
2545 Mutex::Autolock lock(mLock);
2546 mSendLevel = level;
2547 if (mTrack != 0) {
2548 return mTrack->setAuxEffectSendLevel(level);
2549 }
2550 return NO_ERROR;
2551 }
2552
attachAuxEffect(int effectId)2553 status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId)
2554 {
2555 ALOGV("attachAuxEffect(%d)", effectId);
2556 Mutex::Autolock lock(mLock);
2557 mAuxEffectId = effectId;
2558 if (mTrack != 0) {
2559 return mTrack->attachAuxEffect(effectId);
2560 }
2561 return NO_ERROR;
2562 }
2563
setOutputDevice(audio_port_handle_t deviceId)2564 status_t MediaPlayerService::AudioOutput::setOutputDevice(audio_port_handle_t deviceId)
2565 {
2566 ALOGV("setOutputDevice(%d)", deviceId);
2567 Mutex::Autolock lock(mLock);
2568 mSelectedDeviceId = deviceId;
2569 if (mTrack != 0) {
2570 return mTrack->setOutputDevice(deviceId);
2571 }
2572 return NO_ERROR;
2573 }
2574
getRoutedDeviceId(audio_port_handle_t * deviceId)2575 status_t MediaPlayerService::AudioOutput::getRoutedDeviceId(audio_port_handle_t* deviceId)
2576 {
2577 ALOGV("getRoutedDeviceId");
2578 Mutex::Autolock lock(mLock);
2579 if (mTrack != 0) {
2580 mRoutedDeviceId = mTrack->getRoutedDeviceId();
2581 }
2582 *deviceId = mRoutedDeviceId;
2583 return NO_ERROR;
2584 }
2585
enableAudioDeviceCallback(bool enabled)2586 status_t MediaPlayerService::AudioOutput::enableAudioDeviceCallback(bool enabled)
2587 {
2588 ALOGV("enableAudioDeviceCallback, %d", enabled);
2589 Mutex::Autolock lock(mLock);
2590 mDeviceCallbackEnabled = enabled;
2591 if (mTrack != 0) {
2592 status_t status;
2593 if (enabled) {
2594 status = mTrack->addAudioDeviceCallback(mDeviceCallback.promote());
2595 } else {
2596 status = mTrack->removeAudioDeviceCallback(mDeviceCallback.promote());
2597 }
2598 return status;
2599 }
2600 return NO_ERROR;
2601 }
2602
applyVolumeShaper(const sp<VolumeShaper::Configuration> & configuration,const sp<VolumeShaper::Operation> & operation)2603 VolumeShaper::Status MediaPlayerService::AudioOutput::applyVolumeShaper(
2604 const sp<VolumeShaper::Configuration>& configuration,
2605 const sp<VolumeShaper::Operation>& operation)
2606 {
2607 Mutex::Autolock lock(mLock);
2608 ALOGV("AudioOutput::applyVolumeShaper");
2609
2610 mVolumeHandler->setIdIfNecessary(configuration);
2611
2612 VolumeShaper::Status status;
2613 if (mTrack != 0) {
2614 status = mTrack->applyVolumeShaper(configuration, operation);
2615 if (status >= 0) {
2616 (void)mVolumeHandler->applyVolumeShaper(configuration, operation);
2617 if (mTrack->isPlaying()) { // match local AudioTrack to properly restore.
2618 mVolumeHandler->setStarted();
2619 }
2620 }
2621 } else {
2622 // VolumeShapers are not affected when a track moves between players for
2623 // gapless playback (setNextMediaPlayer).
2624 // We forward VolumeShaper operations that do not change configuration
2625 // to the new player so that unducking may occur as expected.
2626 // Unducking is an idempotent operation, same if applied back-to-back.
2627 if (configuration->getType() == VolumeShaper::Configuration::TYPE_ID
2628 && mNextOutput != nullptr) {
2629 ALOGV("applyVolumeShaper: Attempting to forward missed operation: %s %s",
2630 configuration->toString().c_str(), operation->toString().c_str());
2631 Mutex::Autolock nextLock(mNextOutput->mLock);
2632
2633 // recycled track should be forwarded from this AudioSink by switchToNextOutput
2634 sp<AudioTrack> track = mNextOutput->mRecycledTrack;
2635 if (track != nullptr) {
2636 ALOGD("Forward VolumeShaper operation to recycled track %p", track.get());
2637 (void)track->applyVolumeShaper(configuration, operation);
2638 } else {
2639 // There is a small chance that the unduck occurs after the next
2640 // player has already started, but before it is registered to receive
2641 // the unduck command.
2642 track = mNextOutput->mTrack;
2643 if (track != nullptr) {
2644 ALOGD("Forward VolumeShaper operation to track %p", track.get());
2645 (void)track->applyVolumeShaper(configuration, operation);
2646 }
2647 }
2648 }
2649 status = mVolumeHandler->applyVolumeShaper(configuration, operation);
2650 }
2651 return status;
2652 }
2653
getVolumeShaperState(int id)2654 sp<VolumeShaper::State> MediaPlayerService::AudioOutput::getVolumeShaperState(int id)
2655 {
2656 Mutex::Autolock lock(mLock);
2657 if (mTrack != 0) {
2658 return mTrack->getVolumeShaperState(id);
2659 } else {
2660 return mVolumeHandler->getVolumeShaperState(id);
2661 }
2662 }
2663
onMoreData(const AudioTrack::Buffer & buffer)2664 size_t MediaPlayerService::AudioOutput::CallbackData::onMoreData(const AudioTrack::Buffer& buffer) {
2665 ALOGD("data callback");
2666 lock();
2667 sp<AudioOutput> me = getOutput();
2668 if (me == nullptr) {
2669 unlock();
2670 return 0;
2671 }
2672 size_t actualSize = (*me->mCallback)(
2673 me.get(), buffer.data(), buffer.size(), me->mCallbackCookie,
2674 CB_EVENT_FILL_BUFFER);
2675
2676 // Log when no data is returned from the callback.
2677 // (1) We may have no data (especially with network streaming sources).
2678 // (2) We may have reached the EOS and the audio track is not stopped yet.
2679 // Note that AwesomePlayer/AudioPlayer will only return zero size when it reaches the EOS.
2680 // NuPlayerRenderer will return zero when it doesn't have data (it doesn't block to fill).
2681 //
2682 // This is a benign busy-wait, with the next data request generated 10 ms or more later;
2683 // nevertheless for power reasons, we don't want to see too many of these.
2684
2685 ALOGV_IF(actualSize == 0 && buffer.size() > 0, "callbackwrapper: empty buffer returned");
2686 unlock();
2687 return actualSize;
2688 }
2689
onStreamEnd()2690 void MediaPlayerService::AudioOutput::CallbackData::onStreamEnd() {
2691 lock();
2692 sp<AudioOutput> me = getOutput();
2693 if (me == nullptr) {
2694 unlock();
2695 return;
2696 }
2697 ALOGV("callbackwrapper: deliver EVENT_STREAM_END");
2698 (*me->mCallback)(me.get(), NULL /* buffer */, 0 /* size */,
2699 me->mCallbackCookie, CB_EVENT_STREAM_END);
2700 unlock();
2701 }
2702
2703
onNewIAudioTrack()2704 void MediaPlayerService::AudioOutput::CallbackData::onNewIAudioTrack() {
2705 lock();
2706 sp<AudioOutput> me = getOutput();
2707 if (me == nullptr) {
2708 unlock();
2709 return;
2710 }
2711 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN");
2712 (*me->mCallback)(me.get(), NULL /* buffer */, 0 /* size */,
2713 me->mCallbackCookie, CB_EVENT_TEAR_DOWN);
2714 unlock();
2715 }
2716
onUnderrun()2717 void MediaPlayerService::AudioOutput::CallbackData::onUnderrun() {
2718 // This occurs when there is no data available, typically
2719 // when there is a failure to supply data to the AudioTrack. It can also
2720 // occur in non-offloaded mode when the audio device comes out of standby.
2721 //
2722 // If an AudioTrack underruns it outputs silence. Since this happens suddenly
2723 // it may sound like an audible pop or glitch.
2724 //
2725 // The underrun event is sent once per track underrun; the condition is reset
2726 // when more data is sent to the AudioTrack.
2727 ALOGD("callbackwrapper: EVENT_UNDERRUN (discarded)");
2728
2729 }
2730
getSessionId() const2731 audio_session_t MediaPlayerService::AudioOutput::getSessionId() const
2732 {
2733 Mutex::Autolock lock(mLock);
2734 return mSessionId;
2735 }
2736
getSampleRate() const2737 uint32_t MediaPlayerService::AudioOutput::getSampleRate() const
2738 {
2739 Mutex::Autolock lock(mLock);
2740 if (mTrack == 0) return 0;
2741 return mTrack->getSampleRate();
2742 }
2743
getBufferDurationInUs() const2744 int64_t MediaPlayerService::AudioOutput::getBufferDurationInUs() const
2745 {
2746 Mutex::Autolock lock(mLock);
2747 if (mTrack == 0) {
2748 return 0;
2749 }
2750 int64_t duration;
2751 if (mTrack->getBufferDurationInUs(&duration) != OK) {
2752 return 0;
2753 }
2754 return duration;
2755 }
2756
2757 ////////////////////////////////////////////////////////////////////////////////
2758
2759 struct CallbackThread : public Thread {
2760 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink,
2761 MediaPlayerBase::AudioSink::AudioCallback cb,
2762 void *cookie);
2763
2764 protected:
2765 virtual ~CallbackThread();
2766
2767 virtual bool threadLoop();
2768
2769 private:
2770 wp<MediaPlayerBase::AudioSink> mSink;
2771 MediaPlayerBase::AudioSink::AudioCallback mCallback;
2772 void *mCookie;
2773 void *mBuffer;
2774 size_t mBufferSize;
2775
2776 CallbackThread(const CallbackThread &);
2777 CallbackThread &operator=(const CallbackThread &);
2778 };
2779
CallbackThread(const wp<MediaPlayerBase::AudioSink> & sink,MediaPlayerBase::AudioSink::AudioCallback cb,void * cookie)2780 CallbackThread::CallbackThread(
2781 const wp<MediaPlayerBase::AudioSink> &sink,
2782 MediaPlayerBase::AudioSink::AudioCallback cb,
2783 void *cookie)
2784 : mSink(sink),
2785 mCallback(cb),
2786 mCookie(cookie),
2787 mBuffer(NULL),
2788 mBufferSize(0) {
2789 }
2790
~CallbackThread()2791 CallbackThread::~CallbackThread() {
2792 if (mBuffer) {
2793 free(mBuffer);
2794 mBuffer = NULL;
2795 }
2796 }
2797
threadLoop()2798 bool CallbackThread::threadLoop() {
2799 sp<MediaPlayerBase::AudioSink> sink = mSink.promote();
2800 if (sink == NULL) {
2801 return false;
2802 }
2803
2804 if (mBuffer == NULL) {
2805 mBufferSize = sink->bufferSize();
2806 mBuffer = malloc(mBufferSize);
2807 }
2808
2809 size_t actualSize =
2810 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie,
2811 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER);
2812
2813 if (actualSize > 0) {
2814 sink->write(mBuffer, actualSize);
2815 // Could return false on sink->write() error or short count.
2816 // Not necessarily appropriate but would work for AudioCache behavior.
2817 }
2818
2819 return true;
2820 }
2821
2822 ////////////////////////////////////////////////////////////////////////////////
2823
addBatteryData(uint32_t params)2824 void MediaPlayerService::addBatteryData(uint32_t params) {
2825 mBatteryTracker.addBatteryData(params);
2826 }
2827
pullBatteryData(Parcel * reply)2828 status_t MediaPlayerService::pullBatteryData(Parcel* reply) {
2829 return mBatteryTracker.pullBatteryData(reply);
2830 }
2831
BatteryTracker()2832 MediaPlayerService::BatteryTracker::BatteryTracker() {
2833 mBatteryAudio.refCount = 0;
2834 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2835 mBatteryAudio.deviceOn[i] = 0;
2836 mBatteryAudio.lastTime[i] = 0;
2837 mBatteryAudio.totalTime[i] = 0;
2838 }
2839 // speaker is on by default
2840 mBatteryAudio.deviceOn[SPEAKER] = 1;
2841
2842 // reset battery stats
2843 // if the mediaserver has crashed, battery stats could be left
2844 // in bad state, reset the state upon service start.
2845 BatteryNotifier::getInstance().noteResetVideo();
2846 }
2847
addBatteryData(uint32_t params)2848 void MediaPlayerService::BatteryTracker::addBatteryData(uint32_t params)
2849 {
2850 Mutex::Autolock lock(mLock);
2851
2852 int32_t time = systemTime() / 1000000L;
2853
2854 // change audio output devices. This notification comes from AudioFlinger
2855 if ((params & kBatteryDataSpeakerOn)
2856 || (params & kBatteryDataOtherAudioDeviceOn)) {
2857
2858 int deviceOn[NUM_AUDIO_DEVICES];
2859 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2860 deviceOn[i] = 0;
2861 }
2862
2863 if ((params & kBatteryDataSpeakerOn)
2864 && (params & kBatteryDataOtherAudioDeviceOn)) {
2865 deviceOn[SPEAKER_AND_OTHER] = 1;
2866 } else if (params & kBatteryDataSpeakerOn) {
2867 deviceOn[SPEAKER] = 1;
2868 } else {
2869 deviceOn[OTHER_AUDIO_DEVICE] = 1;
2870 }
2871
2872 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2873 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){
2874
2875 if (mBatteryAudio.refCount > 0) { // if playing audio
2876 if (!deviceOn[i]) {
2877 mBatteryAudio.lastTime[i] += time;
2878 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i];
2879 mBatteryAudio.lastTime[i] = 0;
2880 } else {
2881 mBatteryAudio.lastTime[i] = 0 - time;
2882 }
2883 }
2884
2885 mBatteryAudio.deviceOn[i] = deviceOn[i];
2886 }
2887 }
2888 return;
2889 }
2890
2891 // an audio stream is started
2892 if (params & kBatteryDataAudioFlingerStart) {
2893 // record the start time only if currently no other audio
2894 // is being played
2895 if (mBatteryAudio.refCount == 0) {
2896 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2897 if (mBatteryAudio.deviceOn[i]) {
2898 mBatteryAudio.lastTime[i] -= time;
2899 }
2900 }
2901 }
2902
2903 mBatteryAudio.refCount ++;
2904 return;
2905
2906 } else if (params & kBatteryDataAudioFlingerStop) {
2907 if (mBatteryAudio.refCount <= 0) {
2908 ALOGW("Battery track warning: refCount is <= 0");
2909 return;
2910 }
2911
2912 // record the stop time only if currently this is the only
2913 // audio being played
2914 if (mBatteryAudio.refCount == 1) {
2915 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2916 if (mBatteryAudio.deviceOn[i]) {
2917 mBatteryAudio.lastTime[i] += time;
2918 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i];
2919 mBatteryAudio.lastTime[i] = 0;
2920 }
2921 }
2922 }
2923
2924 mBatteryAudio.refCount --;
2925 return;
2926 }
2927
2928 uid_t uid = IPCThreadState::self()->getCallingUid();
2929 if (uid == AID_MEDIA) {
2930 return;
2931 }
2932 int index = mBatteryData.indexOfKey(uid);
2933
2934 if (index < 0) { // create a new entry for this UID
2935 BatteryUsageInfo info;
2936 info.audioTotalTime = 0;
2937 info.videoTotalTime = 0;
2938 info.audioLastTime = 0;
2939 info.videoLastTime = 0;
2940 info.refCount = 0;
2941
2942 if (mBatteryData.add(uid, info) == NO_MEMORY) {
2943 ALOGE("Battery track error: no memory for new app");
2944 return;
2945 }
2946 }
2947
2948 BatteryUsageInfo &info = mBatteryData.editValueFor(uid);
2949
2950 if (params & kBatteryDataCodecStarted) {
2951 if (params & kBatteryDataTrackAudio) {
2952 info.audioLastTime -= time;
2953 info.refCount ++;
2954 }
2955 if (params & kBatteryDataTrackVideo) {
2956 info.videoLastTime -= time;
2957 info.refCount ++;
2958 }
2959 } else {
2960 if (info.refCount == 0) {
2961 ALOGW("Battery track warning: refCount is already 0");
2962 return;
2963 } else if (info.refCount < 0) {
2964 ALOGE("Battery track error: refCount < 0");
2965 mBatteryData.removeItem(uid);
2966 return;
2967 }
2968
2969 if (params & kBatteryDataTrackAudio) {
2970 info.audioLastTime += time;
2971 info.refCount --;
2972 }
2973 if (params & kBatteryDataTrackVideo) {
2974 info.videoLastTime += time;
2975 info.refCount --;
2976 }
2977
2978 // no stream is being played by this UID
2979 if (info.refCount == 0) {
2980 info.audioTotalTime += info.audioLastTime;
2981 info.audioLastTime = 0;
2982 info.videoTotalTime += info.videoLastTime;
2983 info.videoLastTime = 0;
2984 }
2985 }
2986 }
2987
pullBatteryData(Parcel * reply)2988 status_t MediaPlayerService::BatteryTracker::pullBatteryData(Parcel* reply) {
2989 Mutex::Autolock lock(mLock);
2990
2991 // audio output devices usage
2992 int32_t time = systemTime() / 1000000L; //in ms
2993 int32_t totalTime;
2994
2995 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) {
2996 totalTime = mBatteryAudio.totalTime[i];
2997
2998 if (mBatteryAudio.deviceOn[i]
2999 && (mBatteryAudio.lastTime[i] != 0)) {
3000 int32_t tmpTime = mBatteryAudio.lastTime[i] + time;
3001 totalTime += tmpTime;
3002 }
3003
3004 reply->writeInt32(totalTime);
3005 // reset the total time
3006 mBatteryAudio.totalTime[i] = 0;
3007 }
3008
3009 // codec usage
3010 BatteryUsageInfo info;
3011 int size = mBatteryData.size();
3012
3013 reply->writeInt32(size);
3014 int i = 0;
3015
3016 while (i < size) {
3017 info = mBatteryData.valueAt(i);
3018
3019 reply->writeInt32(mBatteryData.keyAt(i)); //UID
3020 reply->writeInt32(info.audioTotalTime);
3021 reply->writeInt32(info.videoTotalTime);
3022
3023 info.audioTotalTime = 0;
3024 info.videoTotalTime = 0;
3025
3026 // remove the UID entry where no stream is being played
3027 if (info.refCount <= 0) {
3028 mBatteryData.removeItemsAt(i);
3029 size --;
3030 i --;
3031 }
3032 i++;
3033 }
3034 return NO_ERROR;
3035 }
3036 } // namespace android
3037