| /* |
| ** |
| ** Copyright 2008, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| // Proxy for media player implementations |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "MediaPlayerService" |
| #include <utils/Log.h> |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <dirent.h> |
| #include <unistd.h> |
| |
| #include <string.h> |
| |
| #include <cutils/atomic.h> |
| #include <cutils/properties.h> // for property_get |
| |
| #include <utils/misc.h> |
| |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| #include <binder/MemoryHeapBase.h> |
| #include <binder/MemoryBase.h> |
| #include <gui/Surface.h> |
| #include <utils/Errors.h> // for status_t |
| #include <utils/String8.h> |
| #include <utils/SystemClock.h> |
| #include <utils/Timers.h> |
| #include <utils/Vector.h> |
| |
| #include <media/AudioPolicyHelper.h> |
| #include <media/IMediaHTTPService.h> |
| #include <media/IRemoteDisplay.h> |
| #include <media/IRemoteDisplayClient.h> |
| #include <media/MediaPlayerInterface.h> |
| #include <media/mediarecorder.h> |
| #include <media/MediaMetadataRetrieverInterface.h> |
| #include <media/Metadata.h> |
| #include <media/AudioTrack.h> |
| #include <media/MemoryLeakTrackUtil.h> |
| #include <media/stagefright/MediaCodecList.h> |
| #include <media/stagefright/MediaErrors.h> |
| #include <media/stagefright/AudioPlayer.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/foundation/ALooperRoster.h> |
| #include <mediautils/BatteryNotifier.h> |
| |
| #include <system/audio.h> |
| |
| #include <private/android_filesystem_config.h> |
| |
| #include "ActivityManager.h" |
| #include "MediaRecorderClient.h" |
| #include "MediaPlayerService.h" |
| #include "MetadataRetrieverClient.h" |
| #include "MediaPlayerFactory.h" |
| |
| #include "TestPlayerStub.h" |
| #include "StagefrightPlayer.h" |
| #include "nuplayer/NuPlayerDriver.h" |
| |
| #include <OMX.h> |
| |
| #include "Crypto.h" |
| #include "Drm.h" |
| #include "HDCP.h" |
| #include "HTTPBase.h" |
| #include "RemoteDisplay.h" |
| |
| namespace { |
| using android::media::Metadata; |
| using android::status_t; |
| using android::OK; |
| using android::BAD_VALUE; |
| using android::NOT_ENOUGH_DATA; |
| using android::Parcel; |
| |
| // Max number of entries in the filter. |
| const int kMaxFilterSize = 64; // I pulled that out of thin air. |
| |
| // FIXME: Move all the metadata related function in the Metadata.cpp |
| |
| |
| // Unmarshall a filter from a Parcel. |
| // Filter format in a parcel: |
| // |
| // 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 |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | number of entries (n) | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | metadata type 1 | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | metadata type 2 | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // .... |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | metadata type n | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // |
| // @param p Parcel that should start with a filter. |
| // @param[out] filter On exit contains the list of metadata type to be |
| // filtered. |
| // @param[out] status On exit contains the status code to be returned. |
| // @return true if the parcel starts with a valid filter. |
| bool unmarshallFilter(const Parcel& p, |
| Metadata::Filter *filter, |
| status_t *status) |
| { |
| int32_t val; |
| if (p.readInt32(&val) != OK) |
| { |
| ALOGE("Failed to read filter's length"); |
| *status = NOT_ENOUGH_DATA; |
| return false; |
| } |
| |
| if( val > kMaxFilterSize || val < 0) |
| { |
| ALOGE("Invalid filter len %d", val); |
| *status = BAD_VALUE; |
| return false; |
| } |
| |
| const size_t num = val; |
| |
| filter->clear(); |
| filter->setCapacity(num); |
| |
| size_t size = num * sizeof(Metadata::Type); |
| |
| |
| if (p.dataAvail() < size) |
| { |
| ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); |
| *status = NOT_ENOUGH_DATA; |
| return false; |
| } |
| |
| const Metadata::Type *data = |
| static_cast<const Metadata::Type*>(p.readInplace(size)); |
| |
| if (NULL == data) |
| { |
| ALOGE("Filter had no data"); |
| *status = BAD_VALUE; |
| return false; |
| } |
| |
| // TODO: The stl impl of vector would be more efficient here |
| // because it degenerates into a memcpy on pod types. Try to |
| // replace later or use stl::set. |
| for (size_t i = 0; i < num; ++i) |
| { |
| filter->add(*data); |
| ++data; |
| } |
| *status = OK; |
| return true; |
| } |
| |
| // @param filter Of metadata type. |
| // @param val To be searched. |
| // @return true if a match was found. |
| bool findMetadata(const Metadata::Filter& filter, const int32_t val) |
| { |
| // Deal with empty and ANY right away |
| if (filter.isEmpty()) return false; |
| if (filter[0] == Metadata::kAny) return true; |
| |
| return filter.indexOf(val) >= 0; |
| } |
| |
| } // anonymous namespace |
| |
| |
| namespace { |
| using android::Parcel; |
| using android::String16; |
| |
| // marshalling tag indicating flattened utf16 tags |
| // keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java |
| const int32_t kAudioAttributesMarshallTagFlattenTags = 1; |
| |
| // Audio attributes format in a parcel: |
| // |
| // 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 |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | usage | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | content_type | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | source | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | flags | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | kAudioAttributesMarshallTagFlattenTags | // ignore tags if not found |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // | flattened tags in UTF16 | |
| // | ... | |
| // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| // |
| // @param p Parcel that contains audio attributes. |
| // @param[out] attributes On exit points to an initialized audio_attributes_t structure |
| // @param[out] status On exit contains the status code to be returned. |
| void unmarshallAudioAttributes(const Parcel& parcel, audio_attributes_t *attributes) |
| { |
| attributes->usage = (audio_usage_t) parcel.readInt32(); |
| attributes->content_type = (audio_content_type_t) parcel.readInt32(); |
| attributes->source = (audio_source_t) parcel.readInt32(); |
| attributes->flags = (audio_flags_mask_t) parcel.readInt32(); |
| const bool hasFlattenedTag = (parcel.readInt32() == kAudioAttributesMarshallTagFlattenTags); |
| if (hasFlattenedTag) { |
| // the tags are UTF16, convert to UTF8 |
| String16 tags = parcel.readString16(); |
| ssize_t realTagSize = utf16_to_utf8_length(tags.string(), tags.size()); |
| if (realTagSize <= 0) { |
| strcpy(attributes->tags, ""); |
| } else { |
| // copy the flattened string into the attributes as the destination for the conversion: |
| // copying array size -1, array for tags was calloc'd, no need to NULL-terminate it |
| size_t tagSize = realTagSize > AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 ? |
| AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 : realTagSize; |
| utf16_to_utf8(tags.string(), tagSize, attributes->tags); |
| } |
| } else { |
| ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values"); |
| strcpy(attributes->tags, ""); |
| } |
| } |
| } // anonymous namespace |
| |
| |
| namespace android { |
| |
| extern ALooperRoster gLooperRoster; |
| |
| |
| static bool checkPermission(const char* permissionString) { |
| #ifndef HAVE_ANDROID_OS |
| return true; |
| #endif |
| if (getpid() == IPCThreadState::self()->getCallingPid()) return true; |
| bool ok = checkCallingPermission(String16(permissionString)); |
| if (!ok) ALOGE("Request requires %s", permissionString); |
| return ok; |
| } |
| |
| // TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround |
| /* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; |
| /* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; |
| |
| void MediaPlayerService::instantiate() { |
| defaultServiceManager()->addService( |
| String16("media.player"), new MediaPlayerService()); |
| } |
| |
| MediaPlayerService::MediaPlayerService() |
| { |
| ALOGV("MediaPlayerService created"); |
| mNextConnId = 1; |
| |
| mBatteryAudio.refCount = 0; |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| mBatteryAudio.deviceOn[i] = 0; |
| mBatteryAudio.lastTime[i] = 0; |
| mBatteryAudio.totalTime[i] = 0; |
| } |
| // speaker is on by default |
| mBatteryAudio.deviceOn[SPEAKER] = 1; |
| |
| // reset battery stats |
| // if the mediaserver has crashed, battery stats could be left |
| // in bad state, reset the state upon service start. |
| BatteryNotifier& notifier(BatteryNotifier::getInstance()); |
| notifier.noteResetVideo(); |
| notifier.noteResetAudio(); |
| |
| MediaPlayerFactory::registerBuiltinFactories(); |
| } |
| |
| MediaPlayerService::~MediaPlayerService() |
| { |
| ALOGV("MediaPlayerService destroyed"); |
| } |
| |
| sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(const String16 &opPackageName) |
| { |
| pid_t pid = IPCThreadState::self()->getCallingPid(); |
| sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid, opPackageName); |
| wp<MediaRecorderClient> w = recorder; |
| Mutex::Autolock lock(mLock); |
| mMediaRecorderClients.add(w); |
| ALOGV("Create new media recorder client from pid %d", pid); |
| return recorder; |
| } |
| |
| void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) |
| { |
| Mutex::Autolock lock(mLock); |
| mMediaRecorderClients.remove(client); |
| ALOGV("Delete media recorder client"); |
| } |
| |
| sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() |
| { |
| pid_t pid = IPCThreadState::self()->getCallingPid(); |
| sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); |
| ALOGV("Create new media retriever from pid %d", pid); |
| return retriever; |
| } |
| |
| sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, |
| int audioSessionId) |
| { |
| pid_t pid = IPCThreadState::self()->getCallingPid(); |
| int32_t connId = android_atomic_inc(&mNextConnId); |
| |
| sp<Client> c = new Client( |
| this, pid, connId, client, audioSessionId, |
| IPCThreadState::self()->getCallingUid()); |
| |
| ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, |
| IPCThreadState::self()->getCallingUid()); |
| |
| wp<Client> w = c; |
| { |
| Mutex::Autolock lock(mLock); |
| mClients.add(w); |
| } |
| return c; |
| } |
| |
| sp<IMediaCodecList> MediaPlayerService::getCodecList() const { |
| return MediaCodecList::getLocalInstance(); |
| } |
| |
| sp<IOMX> MediaPlayerService::getOMX() { |
| Mutex::Autolock autoLock(mLock); |
| |
| if (mOMX.get() == NULL) { |
| mOMX = new OMX; |
| } |
| |
| return mOMX; |
| } |
| |
| sp<ICrypto> MediaPlayerService::makeCrypto() { |
| return new Crypto; |
| } |
| |
| sp<IDrm> MediaPlayerService::makeDrm() { |
| return new Drm; |
| } |
| |
| sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { |
| return new HDCP(createEncryptionModule); |
| } |
| |
| sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( |
| const String16 &opPackageName, |
| const sp<IRemoteDisplayClient>& client, const String8& iface) { |
| if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { |
| return NULL; |
| } |
| |
| return new RemoteDisplay(opPackageName, client, iface.string()); |
| } |
| |
| status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| result.append(" AudioOutput\n"); |
| snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", |
| mStreamType, mLeftVolume, mRightVolume); |
| result.append(buffer); |
| snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", |
| mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); |
| result.append(buffer); |
| snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", |
| mAuxEffectId, mSendLevel); |
| result.append(buffer); |
| |
| ::write(fd, result.string(), result.size()); |
| if (mTrack != 0) { |
| mTrack->dump(fd, args); |
| } |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| result.append(" Client\n"); |
| snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", |
| mPid, mConnId, mStatus, mLoop?"true": "false"); |
| result.append(buffer); |
| write(fd, result.string(), result.size()); |
| if (mPlayer != NULL) { |
| mPlayer->dump(fd, args); |
| } |
| if (mAudioOutput != 0) { |
| mAudioOutput->dump(fd, args); |
| } |
| write(fd, "\n", 1); |
| return NO_ERROR; |
| } |
| |
| /** |
| * The only arguments this understands right now are -c, -von and -voff, |
| * which are parsed by ALooperRoster::dump() |
| */ |
| status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction. |
| SortedVector< sp<MediaRecorderClient> > mediaRecorderClients; |
| |
| if (checkCallingPermission(String16("android.permission.DUMP")) == false) { |
| snprintf(buffer, SIZE, "Permission Denial: " |
| "can't dump MediaPlayerService from pid=%d, uid=%d\n", |
| IPCThreadState::self()->getCallingPid(), |
| IPCThreadState::self()->getCallingUid()); |
| result.append(buffer); |
| } else { |
| Mutex::Autolock lock(mLock); |
| for (int i = 0, n = mClients.size(); i < n; ++i) { |
| sp<Client> c = mClients[i].promote(); |
| if (c != 0) c->dump(fd, args); |
| clients.add(c); |
| } |
| if (mMediaRecorderClients.size() == 0) { |
| result.append(" No media recorder client\n\n"); |
| } else { |
| for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { |
| sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); |
| if (c != 0) { |
| snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); |
| result.append(buffer); |
| write(fd, result.string(), result.size()); |
| result = "\n"; |
| c->dump(fd, args); |
| mediaRecorderClients.add(c); |
| } |
| } |
| } |
| |
| result.append(" Files opened and/or mapped:\n"); |
| snprintf(buffer, SIZE, "/proc/%d/maps", getpid()); |
| FILE *f = fopen(buffer, "r"); |
| if (f) { |
| while (!feof(f)) { |
| fgets(buffer, SIZE, f); |
| if (strstr(buffer, " /storage/") || |
| strstr(buffer, " /system/sounds/") || |
| strstr(buffer, " /data/") || |
| strstr(buffer, " /system/media/")) { |
| result.append(" "); |
| result.append(buffer); |
| } |
| } |
| fclose(f); |
| } else { |
| result.append("couldn't open "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| |
| snprintf(buffer, SIZE, "/proc/%d/fd", getpid()); |
| DIR *d = opendir(buffer); |
| if (d) { |
| struct dirent *ent; |
| while((ent = readdir(d)) != NULL) { |
| if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { |
| snprintf(buffer, SIZE, "/proc/%d/fd/%s", getpid(), ent->d_name); |
| struct stat s; |
| if (lstat(buffer, &s) == 0) { |
| if ((s.st_mode & S_IFMT) == S_IFLNK) { |
| char linkto[256]; |
| int len = readlink(buffer, linkto, sizeof(linkto)); |
| if(len > 0) { |
| if(len > 255) { |
| linkto[252] = '.'; |
| linkto[253] = '.'; |
| linkto[254] = '.'; |
| linkto[255] = 0; |
| } else { |
| linkto[len] = 0; |
| } |
| if (strstr(linkto, "/storage/") == linkto || |
| strstr(linkto, "/system/sounds/") == linkto || |
| strstr(linkto, "/data/") == linkto || |
| strstr(linkto, "/system/media/") == linkto) { |
| result.append(" "); |
| result.append(buffer); |
| result.append(" -> "); |
| result.append(linkto); |
| result.append("\n"); |
| } |
| } |
| } else { |
| result.append(" unexpected type for "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| } |
| } |
| } |
| closedir(d); |
| } else { |
| result.append("couldn't open "); |
| result.append(buffer); |
| result.append("\n"); |
| } |
| |
| gLooperRoster.dump(fd, args); |
| |
| bool dumpMem = false; |
| for (size_t i = 0; i < args.size(); i++) { |
| if (args[i] == String16("-m")) { |
| dumpMem = true; |
| } |
| } |
| if (dumpMem) { |
| dumpMemoryAddresses(fd); |
| } |
| } |
| write(fd, result.string(), result.size()); |
| return NO_ERROR; |
| } |
| |
| void MediaPlayerService::removeClient(wp<Client> client) |
| { |
| Mutex::Autolock lock(mLock); |
| mClients.remove(client); |
| } |
| |
| MediaPlayerService::Client::Client( |
| const sp<MediaPlayerService>& service, pid_t pid, |
| int32_t connId, const sp<IMediaPlayerClient>& client, |
| int audioSessionId, uid_t uid) |
| { |
| ALOGV("Client(%d) constructor", connId); |
| mPid = pid; |
| mConnId = connId; |
| mService = service; |
| mClient = client; |
| mLoop = false; |
| mStatus = NO_INIT; |
| mAudioSessionId = audioSessionId; |
| mUID = uid; |
| mRetransmitEndpointValid = false; |
| mAudioAttributes = NULL; |
| |
| #if CALLBACK_ANTAGONIZER |
| ALOGD("create Antagonizer"); |
| mAntagonizer = new Antagonizer(notify, this); |
| #endif |
| } |
| |
| MediaPlayerService::Client::~Client() |
| { |
| ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); |
| mAudioOutput.clear(); |
| wp<Client> client(this); |
| disconnect(); |
| mService->removeClient(client); |
| if (mAudioAttributes != NULL) { |
| free(mAudioAttributes); |
| } |
| } |
| |
| void MediaPlayerService::Client::disconnect() |
| { |
| ALOGV("disconnect(%d) from pid %d", mConnId, mPid); |
| // grab local reference and clear main reference to prevent future |
| // access to object |
| sp<MediaPlayerBase> p; |
| { |
| Mutex::Autolock l(mLock); |
| p = mPlayer; |
| mClient.clear(); |
| } |
| |
| mPlayer.clear(); |
| |
| // clear the notification to prevent callbacks to dead client |
| // and reset the player. We assume the player will serialize |
| // access to itself if necessary. |
| if (p != 0) { |
| p->setNotifyCallback(0, 0); |
| #if CALLBACK_ANTAGONIZER |
| ALOGD("kill Antagonizer"); |
| mAntagonizer->kill(); |
| #endif |
| p->reset(); |
| } |
| |
| disconnectNativeWindow(); |
| |
| IPCThreadState::self()->flushCommands(); |
| } |
| |
| sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) |
| { |
| // determine if we have the right player type |
| sp<MediaPlayerBase> p = mPlayer; |
| if ((p != NULL) && (p->playerType() != playerType)) { |
| ALOGV("delete player"); |
| p.clear(); |
| } |
| if (p == NULL) { |
| p = MediaPlayerFactory::createPlayer(playerType, this, notify, mPid); |
| } |
| |
| if (p != NULL) { |
| p->setUID(mUID); |
| } |
| |
| return p; |
| } |
| |
| sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( |
| player_type playerType) |
| { |
| ALOGV("player type = %d", playerType); |
| |
| // create the right type of player |
| sp<MediaPlayerBase> p = createPlayer(playerType); |
| if (p == NULL) { |
| return p; |
| } |
| |
| if (!p->hardwareOutput()) { |
| Mutex::Autolock l(mLock); |
| mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), |
| mPid, mAudioAttributes); |
| static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); |
| } |
| |
| return p; |
| } |
| |
| void MediaPlayerService::Client::setDataSource_post( |
| const sp<MediaPlayerBase>& p, |
| status_t status) |
| { |
| ALOGV(" setDataSource"); |
| mStatus = status; |
| if (mStatus != OK) { |
| ALOGE(" error: %d", mStatus); |
| return; |
| } |
| |
| // Set the re-transmission endpoint if one was chosen. |
| if (mRetransmitEndpointValid) { |
| mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); |
| if (mStatus != NO_ERROR) { |
| ALOGE("setRetransmitEndpoint error: %d", mStatus); |
| } |
| } |
| |
| if (mStatus == OK) { |
| mPlayer = p; |
| } |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource( |
| const sp<IMediaHTTPService> &httpService, |
| const char *url, |
| const KeyedVector<String8, String8> *headers) |
| { |
| ALOGV("setDataSource(%s)", url); |
| if (url == NULL) |
| return UNKNOWN_ERROR; |
| |
| if ((strncmp(url, "http://", 7) == 0) || |
| (strncmp(url, "https://", 8) == 0) || |
| (strncmp(url, "rtsp://", 7) == 0)) { |
| if (!checkPermission("android.permission.INTERNET")) { |
| return PERMISSION_DENIED; |
| } |
| } |
| |
| if (strncmp(url, "content://", 10) == 0) { |
| // get a filedescriptor for the content Uri and |
| // pass it to the setDataSource(fd) method |
| |
| String16 url16(url); |
| int fd = android::openContentProviderFile(url16); |
| if (fd < 0) |
| { |
| ALOGE("Couldn't open fd for %s", url); |
| return UNKNOWN_ERROR; |
| } |
| setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus |
| close(fd); |
| return mStatus; |
| } else { |
| player_type playerType = MediaPlayerFactory::getPlayerType(this, url); |
| sp<MediaPlayerBase> p = setDataSource_pre(playerType); |
| if (p == NULL) { |
| return NO_INIT; |
| } |
| |
| setDataSource_post(p, p->setDataSource(httpService, url, headers)); |
| return mStatus; |
| } |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) |
| { |
| ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); |
| struct stat sb; |
| int ret = fstat(fd, &sb); |
| if (ret != 0) { |
| ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); |
| return UNKNOWN_ERROR; |
| } |
| |
| ALOGV("st_dev = %llu", static_cast<uint64_t>(sb.st_dev)); |
| ALOGV("st_mode = %u", sb.st_mode); |
| ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); |
| ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); |
| ALOGV("st_size = %llu", sb.st_size); |
| |
| if (offset >= sb.st_size) { |
| ALOGE("offset error"); |
| ::close(fd); |
| return UNKNOWN_ERROR; |
| } |
| if (offset + length > sb.st_size) { |
| length = sb.st_size - offset; |
| ALOGV("calculated length = %lld", length); |
| } |
| |
| player_type playerType = MediaPlayerFactory::getPlayerType(this, |
| fd, |
| offset, |
| length); |
| sp<MediaPlayerBase> p = setDataSource_pre(playerType); |
| if (p == NULL) { |
| return NO_INIT; |
| } |
| |
| // now set data source |
| setDataSource_post(p, p->setDataSource(fd, offset, length)); |
| return mStatus; |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource( |
| const sp<IStreamSource> &source) { |
| // create the right type of player |
| player_type playerType = MediaPlayerFactory::getPlayerType(this, source); |
| sp<MediaPlayerBase> p = setDataSource_pre(playerType); |
| if (p == NULL) { |
| return NO_INIT; |
| } |
| |
| // now set data source |
| setDataSource_post(p, p->setDataSource(source)); |
| return mStatus; |
| } |
| |
| status_t MediaPlayerService::Client::setDataSource( |
| const sp<IDataSource> &source) { |
| sp<DataSource> dataSource = DataSource::CreateFromIDataSource(source); |
| player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource); |
| sp<MediaPlayerBase> p = setDataSource_pre(playerType); |
| if (p == NULL) { |
| return NO_INIT; |
| } |
| // now set data source |
| setDataSource_post(p, p->setDataSource(dataSource)); |
| return mStatus; |
| } |
| |
| void MediaPlayerService::Client::disconnectNativeWindow() { |
| if (mConnectedWindow != NULL) { |
| status_t err = native_window_api_disconnect(mConnectedWindow.get(), |
| NATIVE_WINDOW_API_MEDIA); |
| |
| if (err != OK) { |
| ALOGW("native_window_api_disconnect returned an error: %s (%d)", |
| strerror(-err), err); |
| } |
| } |
| mConnectedWindow.clear(); |
| } |
| |
| status_t MediaPlayerService::Client::setVideoSurfaceTexture( |
| const sp<IGraphicBufferProducer>& bufferProducer) |
| { |
| ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| |
| sp<IBinder> binder(IInterface::asBinder(bufferProducer)); |
| if (mConnectedWindowBinder == binder) { |
| return OK; |
| } |
| |
| sp<ANativeWindow> anw; |
| if (bufferProducer != NULL) { |
| anw = new Surface(bufferProducer, true /* controlledByApp */); |
| status_t err = native_window_api_connect(anw.get(), |
| NATIVE_WINDOW_API_MEDIA); |
| |
| if (err != OK) { |
| ALOGE("setVideoSurfaceTexture failed: %d", err); |
| // Note that we must do the reset before disconnecting from the ANW. |
| // Otherwise queue/dequeue calls could be made on the disconnected |
| // ANW, which may result in errors. |
| reset(); |
| |
| disconnectNativeWindow(); |
| |
| return err; |
| } |
| } |
| |
| // Note that we must set the player's new GraphicBufferProducer before |
| // disconnecting the old one. Otherwise queue/dequeue calls could be made |
| // on the disconnected ANW, which may result in errors. |
| status_t err = p->setVideoSurfaceTexture(bufferProducer); |
| |
| disconnectNativeWindow(); |
| |
| mConnectedWindow = anw; |
| |
| if (err == OK) { |
| mConnectedWindowBinder = binder; |
| } else { |
| disconnectNativeWindow(); |
| } |
| |
| return err; |
| } |
| |
| status_t MediaPlayerService::Client::invoke(const Parcel& request, |
| Parcel *reply) |
| { |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == NULL) return UNKNOWN_ERROR; |
| return p->invoke(request, reply); |
| } |
| |
| // This call doesn't need to access the native player. |
| status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) |
| { |
| status_t status; |
| media::Metadata::Filter allow, drop; |
| |
| if (unmarshallFilter(filter, &allow, &status) && |
| unmarshallFilter(filter, &drop, &status)) { |
| Mutex::Autolock lock(mLock); |
| |
| mMetadataAllow = allow; |
| mMetadataDrop = drop; |
| } |
| return status; |
| } |
| |
| status_t MediaPlayerService::Client::getMetadata( |
| bool update_only, bool /*apply_filter*/, Parcel *reply) |
| { |
| sp<MediaPlayerBase> player = getPlayer(); |
| if (player == 0) return UNKNOWN_ERROR; |
| |
| status_t status; |
| // Placeholder for the return code, updated by the caller. |
| reply->writeInt32(-1); |
| |
| media::Metadata::Filter ids; |
| |
| // We don't block notifications while we fetch the data. We clear |
| // mMetadataUpdated first so we don't lose notifications happening |
| // during the rest of this call. |
| { |
| Mutex::Autolock lock(mLock); |
| if (update_only) { |
| ids = mMetadataUpdated; |
| } |
| mMetadataUpdated.clear(); |
| } |
| |
| media::Metadata metadata(reply); |
| |
| metadata.appendHeader(); |
| status = player->getMetadata(ids, reply); |
| |
| if (status != OK) { |
| metadata.resetParcel(); |
| ALOGE("getMetadata failed %d", status); |
| return status; |
| } |
| |
| // FIXME: Implement filtering on the result. Not critical since |
| // filtering takes place on the update notifications already. This |
| // would be when all the metadata are fetch and a filter is set. |
| |
| // Everything is fine, update the metadata length. |
| metadata.updateLength(); |
| return OK; |
| } |
| |
| status_t MediaPlayerService::Client::prepareAsync() |
| { |
| ALOGV("[%d] prepareAsync", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->prepareAsync(); |
| #if CALLBACK_ANTAGONIZER |
| ALOGD("start Antagonizer"); |
| if (ret == NO_ERROR) mAntagonizer->start(); |
| #endif |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::start() |
| { |
| ALOGV("[%d] start", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| p->setLooping(mLoop); |
| return p->start(); |
| } |
| |
| status_t MediaPlayerService::Client::stop() |
| { |
| ALOGV("[%d] stop", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->stop(); |
| } |
| |
| status_t MediaPlayerService::Client::pause() |
| { |
| ALOGV("[%d] pause", mConnId); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->pause(); |
| } |
| |
| status_t MediaPlayerService::Client::isPlaying(bool* state) |
| { |
| *state = false; |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| *state = p->isPlaying(); |
| ALOGV("[%d] isPlaying: %d", mConnId, *state); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setPlaybackSettings(const AudioPlaybackRate& rate) |
| { |
| ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)", |
| mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->setPlaybackSettings(rate); |
| } |
| |
| status_t MediaPlayerService::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) |
| { |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getPlaybackSettings(rate); |
| if (ret == NO_ERROR) { |
| ALOGV("[%d] getPlaybackSettings(%f, %f, %d, %d)", |
| mConnId, rate->mSpeed, rate->mPitch, rate->mFallbackMode, rate->mStretchMode); |
| } else { |
| ALOGV("[%d] getPlaybackSettings returned %d", mConnId, ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::setSyncSettings( |
| const AVSyncSettings& sync, float videoFpsHint) |
| { |
| ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)", |
| mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->setSyncSettings(sync, videoFpsHint); |
| } |
| |
| status_t MediaPlayerService::Client::getSyncSettings( |
| AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */) |
| { |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getSyncSettings(sync, videoFps); |
| if (ret == NO_ERROR) { |
| ALOGV("[%d] getSyncSettings(%u, %u, %f, %f)", |
| mConnId, sync->mSource, sync->mAudioAdjustMode, sync->mTolerance, *videoFps); |
| } else { |
| ALOGV("[%d] getSyncSettings returned %d", mConnId, ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::getCurrentPosition(int *msec) |
| { |
| ALOGV("getCurrentPosition"); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getCurrentPosition(msec); |
| if (ret == NO_ERROR) { |
| ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); |
| } else { |
| ALOGE("getCurrentPosition returned %d", ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::getDuration(int *msec) |
| { |
| ALOGV("getDuration"); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| status_t ret = p->getDuration(msec); |
| if (ret == NO_ERROR) { |
| ALOGV("[%d] getDuration = %d", mConnId, *msec); |
| } else { |
| ALOGE("getDuration returned %d", ret); |
| } |
| return ret; |
| } |
| |
| status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { |
| ALOGV("setNextPlayer"); |
| Mutex::Autolock l(mLock); |
| sp<Client> c = static_cast<Client*>(player.get()); |
| mNextClient = c; |
| |
| if (c != NULL) { |
| if (mAudioOutput != NULL) { |
| mAudioOutput->setNextOutput(c->mAudioOutput); |
| } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { |
| ALOGE("no current audio output"); |
| } |
| |
| if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { |
| mPlayer->setNextPlayer(mNextClient->getPlayer()); |
| } |
| } |
| |
| return OK; |
| } |
| |
| status_t MediaPlayerService::Client::seekTo(int msec) |
| { |
| ALOGV("[%d] seekTo(%d)", mConnId, msec); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->seekTo(msec); |
| } |
| |
| status_t MediaPlayerService::Client::reset() |
| { |
| ALOGV("[%d] reset", mConnId); |
| mRetransmitEndpointValid = false; |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->reset(); |
| } |
| |
| status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) |
| { |
| ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); |
| // TODO: for hardware output, call player instead |
| Mutex::Autolock l(mLock); |
| if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) |
| { |
| if (mAudioAttributes != NULL) { free(mAudioAttributes); } |
| mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); |
| if (mAudioAttributes == NULL) { |
| return NO_MEMORY; |
| } |
| unmarshallAudioAttributes(parcel, mAudioAttributes); |
| |
| ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", |
| mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, |
| mAudioAttributes->tags); |
| |
| if (mAudioOutput != 0) { |
| mAudioOutput->setAudioAttributes(mAudioAttributes); |
| } |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setLooping(int loop) |
| { |
| ALOGV("[%d] setLooping(%d)", mConnId, loop); |
| mLoop = loop; |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p != 0) return p->setLooping(loop); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) |
| { |
| ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); |
| |
| // for hardware output, call player instead |
| sp<MediaPlayerBase> p = getPlayer(); |
| { |
| Mutex::Autolock l(mLock); |
| if (p != 0 && p->hardwareOutput()) { |
| MediaPlayerHWInterface* hwp = |
| reinterpret_cast<MediaPlayerHWInterface*>(p.get()); |
| return hwp->setVolume(leftVolume, rightVolume); |
| } else { |
| if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); |
| return NO_ERROR; |
| } |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) |
| { |
| ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); |
| Mutex::Autolock l(mLock); |
| if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::attachAuxEffect(int effectId) |
| { |
| ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); |
| Mutex::Autolock l(mLock); |
| if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { |
| ALOGV("[%d] setParameter(%d)", mConnId, key); |
| switch (key) { |
| case KEY_PARAMETER_AUDIO_ATTRIBUTES: |
| { |
| Mutex::Autolock l(mLock); |
| return setAudioAttributes_l(request); |
| } |
| default: |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) { return UNKNOWN_ERROR; } |
| return p->setParameter(key, request); |
| } |
| } |
| |
| status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { |
| ALOGV("[%d] getParameter(%d)", mConnId, key); |
| sp<MediaPlayerBase> p = getPlayer(); |
| if (p == 0) return UNKNOWN_ERROR; |
| return p->getParameter(key, reply); |
| } |
| |
| status_t MediaPlayerService::Client::setRetransmitEndpoint( |
| const struct sockaddr_in* endpoint) { |
| |
| if (NULL != endpoint) { |
| uint32_t a = ntohl(endpoint->sin_addr.s_addr); |
| uint16_t p = ntohs(endpoint->sin_port); |
| ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, |
| (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); |
| } else { |
| ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); |
| } |
| |
| sp<MediaPlayerBase> p = getPlayer(); |
| |
| // Right now, the only valid time to set a retransmit endpoint is before |
| // player selection has been made (since the presence or absence of a |
| // retransmit endpoint is going to determine which player is selected during |
| // setDataSource). |
| if (p != 0) return INVALID_OPERATION; |
| |
| if (NULL != endpoint) { |
| mRetransmitEndpoint = *endpoint; |
| mRetransmitEndpointValid = true; |
| } else { |
| mRetransmitEndpointValid = false; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::Client::getRetransmitEndpoint( |
| struct sockaddr_in* endpoint) |
| { |
| if (NULL == endpoint) |
| return BAD_VALUE; |
| |
| sp<MediaPlayerBase> p = getPlayer(); |
| |
| if (p != NULL) |
| return p->getRetransmitEndpoint(endpoint); |
| |
| if (!mRetransmitEndpointValid) |
| return NO_INIT; |
| |
| *endpoint = mRetransmitEndpoint; |
| |
| return NO_ERROR; |
| } |
| |
| void MediaPlayerService::Client::notify( |
| void* cookie, int msg, int ext1, int ext2, const Parcel *obj) |
| { |
| Client* client = static_cast<Client*>(cookie); |
| if (client == NULL) { |
| return; |
| } |
| |
| sp<IMediaPlayerClient> c; |
| { |
| Mutex::Autolock l(client->mLock); |
| c = client->mClient; |
| if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { |
| if (client->mAudioOutput != NULL) |
| client->mAudioOutput->switchToNextOutput(); |
| client->mNextClient->start(); |
| client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); |
| } |
| } |
| |
| if (MEDIA_INFO == msg && |
| MEDIA_INFO_METADATA_UPDATE == ext1) { |
| const media::Metadata::Type metadata_type = ext2; |
| |
| if(client->shouldDropMetadata(metadata_type)) { |
| return; |
| } |
| |
| // Update the list of metadata that have changed. getMetadata |
| // also access mMetadataUpdated and clears it. |
| client->addNewMetadataUpdate(metadata_type); |
| } |
| |
| if (c != NULL) { |
| ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); |
| c->notify(msg, ext1, ext2, obj); |
| } |
| } |
| |
| |
| bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const |
| { |
| Mutex::Autolock lock(mLock); |
| |
| if (findMetadata(mMetadataDrop, code)) { |
| return true; |
| } |
| |
| if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| |
| void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { |
| Mutex::Autolock lock(mLock); |
| if (mMetadataUpdated.indexOf(metadata_type) < 0) { |
| mMetadataUpdated.add(metadata_type); |
| } |
| } |
| |
| #if CALLBACK_ANTAGONIZER |
| const int Antagonizer::interval = 10000; // 10 msecs |
| |
| Antagonizer::Antagonizer(notify_callback_f cb, void* client) : |
| mExit(false), mActive(false), mClient(client), mCb(cb) |
| { |
| createThread(callbackThread, this); |
| } |
| |
| void Antagonizer::kill() |
| { |
| Mutex::Autolock _l(mLock); |
| mActive = false; |
| mExit = true; |
| mCondition.wait(mLock); |
| } |
| |
| int Antagonizer::callbackThread(void* user) |
| { |
| ALOGD("Antagonizer started"); |
| Antagonizer* p = reinterpret_cast<Antagonizer*>(user); |
| while (!p->mExit) { |
| if (p->mActive) { |
| ALOGV("send event"); |
| p->mCb(p->mClient, 0, 0, 0); |
| } |
| usleep(interval); |
| } |
| Mutex::Autolock _l(p->mLock); |
| p->mCondition.signal(); |
| ALOGD("Antagonizer stopped"); |
| return 0; |
| } |
| #endif |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioSink" |
| MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid, int pid, |
| const audio_attributes_t* attr) |
| : mCallback(NULL), |
| mCallbackCookie(NULL), |
| mCallbackData(NULL), |
| mBytesWritten(0), |
| mStreamType(AUDIO_STREAM_MUSIC), |
| mLeftVolume(1.0), |
| mRightVolume(1.0), |
| mPlaybackRate(AUDIO_PLAYBACK_RATE_DEFAULT), |
| mSampleRateHz(0), |
| mMsecsPerFrame(0), |
| mFrameSize(0), |
| mSessionId(sessionId), |
| mUid(uid), |
| mPid(pid), |
| mSendLevel(0.0), |
| mAuxEffectId(0), |
| mFlags(AUDIO_OUTPUT_FLAG_NONE) |
| { |
| ALOGV("AudioOutput(%d)", sessionId); |
| if (attr != NULL) { |
| mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); |
| if (mAttributes != NULL) { |
| memcpy(mAttributes, attr, sizeof(audio_attributes_t)); |
| mStreamType = audio_attributes_to_stream_type(attr); |
| } |
| } else { |
| mAttributes = NULL; |
| } |
| |
| setMinBufferCount(); |
| } |
| |
| MediaPlayerService::AudioOutput::~AudioOutput() |
| { |
| close(); |
| free(mAttributes); |
| delete mCallbackData; |
| } |
| |
| //static |
| void MediaPlayerService::AudioOutput::setMinBufferCount() |
| { |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("ro.kernel.qemu", value, 0)) { |
| mIsOnEmulator = true; |
| mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator |
| } |
| } |
| |
| // static |
| bool MediaPlayerService::AudioOutput::isOnEmulator() |
| { |
| setMinBufferCount(); // benign race wrt other threads |
| return mIsOnEmulator; |
| } |
| |
| // static |
| int MediaPlayerService::AudioOutput::getMinBufferCount() |
| { |
| setMinBufferCount(); // benign race wrt other threads |
| return mMinBufferCount; |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::bufferSize() const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->frameCount() * mFrameSize; |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::frameCount() const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->frameCount(); |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::channelCount() const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->channelCount(); |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::frameSize() const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mFrameSize; |
| } |
| |
| uint32_t MediaPlayerService::AudioOutput::latency () const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return 0; |
| return mTrack->latency(); |
| } |
| |
| float MediaPlayerService::AudioOutput::msecsPerFrame() const |
| { |
| Mutex::Autolock lock(mLock); |
| return mMsecsPerFrame; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->getPosition(position); |
| } |
| |
| status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->getTimestamp(ts); |
| } |
| |
| status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| *frameswritten = mBytesWritten / mFrameSize; |
| return OK; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return NO_INIT; |
| return mTrack->setParameters(keyValuePairs); |
| } |
| |
| String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return String8::empty(); |
| return mTrack->getParameters(keys); |
| } |
| |
| void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { |
| Mutex::Autolock lock(mLock); |
| if (attributes == NULL) { |
| free(mAttributes); |
| mAttributes = NULL; |
| } else { |
| if (mAttributes == NULL) { |
| mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); |
| } |
| memcpy(mAttributes, attributes, sizeof(audio_attributes_t)); |
| mStreamType = audio_attributes_to_stream_type(attributes); |
| } |
| } |
| |
| void MediaPlayerService::AudioOutput::setAudioStreamType(audio_stream_type_t streamType) |
| { |
| Mutex::Autolock lock(mLock); |
| // do not allow direct stream type modification if attributes have been set |
| if (mAttributes == NULL) { |
| mStreamType = streamType; |
| } |
| } |
| |
| void MediaPlayerService::AudioOutput::deleteRecycledTrack_l() |
| { |
| ALOGV("deleteRecycledTrack_l"); |
| if (mRecycledTrack != 0) { |
| |
| if (mCallbackData != NULL) { |
| mCallbackData->setOutput(NULL); |
| mCallbackData->endTrackSwitch(); |
| } |
| |
| if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { |
| mRecycledTrack->flush(); |
| } |
| // An offloaded track isn't flushed because the STREAM_END is reported |
| // slightly prematurely to allow time for the gapless track switch |
| // but this means that if we decide not to recycle the track there |
| // could be a small amount of residual data still playing. We leave |
| // AudioFlinger to drain the track. |
| |
| mRecycledTrack.clear(); |
| close_l(); |
| delete mCallbackData; |
| mCallbackData = NULL; |
| } |
| } |
| |
| void MediaPlayerService::AudioOutput::close_l() |
| { |
| mTrack.clear(); |
| } |
| |
| status_t MediaPlayerService::AudioOutput::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) |
| { |
| ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, |
| format, bufferCount, mSessionId, flags); |
| |
| // offloading is only supported in callback mode for now. |
| // offloadInfo must be present if offload flag is set |
| if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && |
| ((cb == NULL) || (offloadInfo == NULL))) { |
| return BAD_VALUE; |
| } |
| |
| // compute frame count for the AudioTrack internal buffer |
| size_t frameCount; |
| if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { |
| frameCount = 0; // AudioTrack will get frame count from AudioFlinger |
| } else { |
| // try to estimate the buffer processing fetch size from AudioFlinger. |
| // framesPerBuffer is approximate and generally correct, except when it's not :-). |
| uint32_t afSampleRate; |
| size_t afFrameCount; |
| if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { |
| return NO_INIT; |
| } |
| if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { |
| return NO_INIT; |
| } |
| const size_t framesPerBuffer = |
| (unsigned long long)sampleRate * afFrameCount / afSampleRate; |
| |
| if (bufferCount == 0) { |
| // use suggestedFrameCount |
| bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer; |
| } |
| // Check argument bufferCount against the mininum buffer count |
| if (bufferCount != 0 && bufferCount < mMinBufferCount) { |
| ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount); |
| bufferCount = mMinBufferCount; |
| } |
| // if frameCount is 0, then AudioTrack will get frame count from AudioFlinger |
| // which will be the minimum size permitted. |
| frameCount = bufferCount * framesPerBuffer; |
| } |
| |
| if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { |
| channelMask = audio_channel_out_mask_from_count(channelCount); |
| if (0 == channelMask) { |
| ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); |
| return NO_INIT; |
| } |
| } |
| |
| Mutex::Autolock lock(mLock); |
| mCallback = cb; |
| mCallbackCookie = cookie; |
| |
| // Check whether we can recycle the track |
| bool reuse = false; |
| bool bothOffloaded = false; |
| |
| if (mRecycledTrack != 0) { |
| // check whether we are switching between two offloaded tracks |
| bothOffloaded = (flags & mRecycledTrack->getFlags() |
| & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; |
| |
| // check if the existing track can be reused as-is, or if a new track needs to be created. |
| reuse = true; |
| |
| if ((mCallbackData == NULL && mCallback != NULL) || |
| (mCallbackData != NULL && mCallback == NULL)) { |
| // recycled track uses callbacks but the caller wants to use writes, or vice versa |
| ALOGV("can't chain callback and write"); |
| reuse = false; |
| } else if ((mRecycledTrack->getSampleRate() != sampleRate) || |
| (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { |
| ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", |
| mRecycledTrack->getSampleRate(), sampleRate, |
| mRecycledTrack->channelCount(), channelCount); |
| reuse = false; |
| } else if (flags != mFlags) { |
| ALOGV("output flags differ %08x/%08x", flags, mFlags); |
| reuse = false; |
| } else if (mRecycledTrack->format() != format) { |
| reuse = false; |
| } |
| } else { |
| ALOGV("no track available to recycle"); |
| } |
| |
| ALOGV_IF(bothOffloaded, "both tracks offloaded"); |
| |
| // If we can't recycle and both tracks are offloaded |
| // we must close the previous output before opening a new one |
| if (bothOffloaded && !reuse) { |
| ALOGV("both offloaded and not recycling"); |
| deleteRecycledTrack_l(); |
| } |
| |
| sp<AudioTrack> t; |
| CallbackData *newcbd = NULL; |
| |
| // We don't attempt to create a new track if we are recycling an |
| // offloaded track. But, if we are recycling a non-offloaded or we |
| // are switching where one is offloaded and one isn't then we create |
| // the new track in advance so that we can read additional stream info |
| |
| if (!(reuse && bothOffloaded)) { |
| ALOGV("creating new AudioTrack"); |
| |
| if (mCallback != NULL) { |
| newcbd = new CallbackData(this); |
| t = new AudioTrack( |
| mStreamType, |
| sampleRate, |
| format, |
| channelMask, |
| frameCount, |
| flags, |
| CallbackWrapper, |
| newcbd, |
| 0, // notification frames |
| mSessionId, |
| AudioTrack::TRANSFER_CALLBACK, |
| offloadInfo, |
| mUid, |
| mPid, |
| mAttributes, |
| doNotReconnect); |
| } else { |
| t = new AudioTrack( |
| mStreamType, |
| sampleRate, |
| format, |
| channelMask, |
| frameCount, |
| flags, |
| NULL, // callback |
| NULL, // user data |
| 0, // notification frames |
| mSessionId, |
| AudioTrack::TRANSFER_DEFAULT, |
| NULL, // offload info |
| mUid, |
| mPid, |
| mAttributes, |
| doNotReconnect); |
| } |
| |
| if ((t == 0) || (t->initCheck() != NO_ERROR)) { |
| ALOGE("Unable to create audio track"); |
| delete newcbd; |
| // t goes out of scope, so reference count drops to zero |
| return NO_INIT; |
| } else { |
| // successful AudioTrack initialization implies a legacy stream type was generated |
| // from the audio attributes |
| mStreamType = t->streamType(); |
| } |
| } |
| |
| if (reuse) { |
| CHECK(mRecycledTrack != NULL); |
| |
| if (!bothOffloaded) { |
| if (mRecycledTrack->frameCount() != t->frameCount()) { |
| ALOGV("framecount differs: %u/%u frames", |
| mRecycledTrack->frameCount(), t->frameCount()); |
| reuse = false; |
| } |
| } |
| |
| if (reuse) { |
| ALOGV("chaining to next output and recycling track"); |
| close_l(); |
| mTrack = mRecycledTrack; |
| mRecycledTrack.clear(); |
| if (mCallbackData != NULL) { |
| mCallbackData->setOutput(this); |
| } |
| delete newcbd; |
| return OK; |
| } |
| } |
| |
| // we're not going to reuse the track, unblock and flush it |
| // this was done earlier if both tracks are offloaded |
| if (!bothOffloaded) { |
| deleteRecycledTrack_l(); |
| } |
| |
| CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); |
| |
| mCallbackData = newcbd; |
| ALOGV("setVolume"); |
| t->setVolume(mLeftVolume, mRightVolume); |
| |
| mSampleRateHz = sampleRate; |
| mFlags = flags; |
| mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate); |
| mFrameSize = t->frameSize(); |
| uint32_t pos; |
| if (t->getPosition(&pos) == OK) { |
| mBytesWritten = uint64_t(pos) * mFrameSize; |
| } |
| mTrack = t; |
| |
| status_t res = NO_ERROR; |
| // Note some output devices may give us a direct track even though we don't specify it. |
| // Example: Line application b/17459982. |
| if ((t->getFlags() & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) { |
| res = t->setPlaybackRate(mPlaybackRate); |
| if (res == NO_ERROR) { |
| t->setAuxEffectSendLevel(mSendLevel); |
| res = t->attachAuxEffect(mAuxEffectId); |
| } |
| } |
| ALOGV("open() DONE status %d", res); |
| return res; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::start() |
| { |
| ALOGV("start"); |
| Mutex::Autolock lock(mLock); |
| if (mCallbackData != NULL) { |
| mCallbackData->endTrackSwitch(); |
| } |
| if (mTrack != 0) { |
| mTrack->setVolume(mLeftVolume, mRightVolume); |
| mTrack->setAuxEffectSendLevel(mSendLevel); |
| return mTrack->start(); |
| } |
| return NO_INIT; |
| } |
| |
| void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { |
| Mutex::Autolock lock(mLock); |
| mNextOutput = nextOutput; |
| } |
| |
| void MediaPlayerService::AudioOutput::switchToNextOutput() { |
| ALOGV("switchToNextOutput"); |
| |
| // Try to acquire the callback lock before moving track (without incurring deadlock). |
| const unsigned kMaxSwitchTries = 100; |
| Mutex::Autolock lock(mLock); |
| for (unsigned tries = 0;;) { |
| if (mTrack == 0) { |
| return; |
| } |
| if (mNextOutput != NULL && mNextOutput != this) { |
| if (mCallbackData != NULL) { |
| // two alternative approaches |
| #if 1 |
| CallbackData *callbackData = mCallbackData; |
| mLock.unlock(); |
| // proper acquisition sequence |
| callbackData->lock(); |
| mLock.lock(); |
| // Caution: it is unlikely that someone deleted our callback or changed our target |
| if (callbackData != mCallbackData || mNextOutput == NULL || mNextOutput == this) { |
| // fatal if we are starved out. |
| LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, |
| "switchToNextOutput() cannot obtain correct lock sequence"); |
| callbackData->unlock(); |
| continue; |
| } |
| callbackData->mSwitching = true; // begin track switch |
| #else |
| // tryBeginTrackSwitch() returns false if the callback has the lock. |
| if (!mCallbackData->tryBeginTrackSwitch()) { |
| // fatal if we are starved out. |
| LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, |
| "switchToNextOutput() cannot obtain callback lock"); |
| mLock.unlock(); |
| usleep(5 * 1000 /* usec */); // allow callback to use AudioOutput |
| mLock.lock(); |
| continue; |
| } |
| #endif |
| } |
| |
| Mutex::Autolock nextLock(mNextOutput->mLock); |
| |
| // If the next output track is not NULL, then it has been |
| // opened already for playback. |
| // This is possible even without the next player being started, |
| // for example, the next player could be prepared and seeked. |
| // |
| // Presuming it isn't advisable to force the track over. |
| if (mNextOutput->mTrack == NULL) { |
| ALOGD("Recycling track for gapless playback"); |
| delete mNextOutput->mCallbackData; |
| mNextOutput->mCallbackData = mCallbackData; |
| mNextOutput->mRecycledTrack = mTrack; |
| mNextOutput->mSampleRateHz = mSampleRateHz; |
| mNextOutput->mMsecsPerFrame = mMsecsPerFrame; |
| mNextOutput->mBytesWritten = mBytesWritten; |
| mNextOutput->mFlags = mFlags; |
| mNextOutput->mFrameSize = mFrameSize; |
| close_l(); |
| mCallbackData = NULL; // destruction handled by mNextOutput |
| } else { |
| ALOGW("Ignoring gapless playback because next player has already started"); |
| // remove track in case resource needed for future players. |
| if (mCallbackData != NULL) { |
| mCallbackData->endTrackSwitch(); // release lock for callbacks before close. |
| } |
| close_l(); |
| } |
| } |
| break; |
| } |
| } |
| |
| ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) |
| { |
| Mutex::Autolock lock(mLock); |
| LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); |
| |
| //ALOGV("write(%p, %u)", buffer, size); |
| if (mTrack != 0) { |
| ssize_t ret = mTrack->write(buffer, size, blocking); |
| if (ret >= 0) { |
| mBytesWritten += ret; |
| } |
| return ret; |
| } |
| return NO_INIT; |
| } |
| |
| void MediaPlayerService::AudioOutput::stop() |
| { |
| ALOGV("stop"); |
| Mutex::Autolock lock(mLock); |
| mBytesWritten = 0; |
| if (mTrack != 0) mTrack->stop(); |
| } |
| |
| void MediaPlayerService::AudioOutput::flush() |
| { |
| ALOGV("flush"); |
| Mutex::Autolock lock(mLock); |
| mBytesWritten = 0; |
| if (mTrack != 0) mTrack->flush(); |
| } |
| |
| void MediaPlayerService::AudioOutput::pause() |
| { |
| ALOGV("pause"); |
| Mutex::Autolock lock(mLock); |
| if (mTrack != 0) mTrack->pause(); |
| } |
| |
| void MediaPlayerService::AudioOutput::close() |
| { |
| ALOGV("close"); |
| Mutex::Autolock lock(mLock); |
| close_l(); |
| } |
| |
| void MediaPlayerService::AudioOutput::setVolume(float left, float right) |
| { |
| ALOGV("setVolume(%f, %f)", left, right); |
| Mutex::Autolock lock(mLock); |
| mLeftVolume = left; |
| mRightVolume = right; |
| if (mTrack != 0) { |
| mTrack->setVolume(left, right); |
| } |
| } |
| |
| status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate) |
| { |
| ALOGV("setPlaybackRate(%f %f %d %d)", |
| rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) { |
| // remember rate so that we can set it when the track is opened |
| mPlaybackRate = rate; |
| return OK; |
| } |
| status_t res = mTrack->setPlaybackRate(rate); |
| if (res != NO_ERROR) { |
| return res; |
| } |
| // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded |
| CHECK_GT(rate.mSpeed, 0.f); |
| mPlaybackRate = rate; |
| if (mSampleRateHz != 0) { |
| mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz); |
| } |
| return res; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate) |
| { |
| ALOGV("setPlaybackRate"); |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) { |
| return NO_INIT; |
| } |
| *rate = mTrack->getPlaybackRate(); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) |
| { |
| ALOGV("setAuxEffectSendLevel(%f)", level); |
| Mutex::Autolock lock(mLock); |
| mSendLevel = level; |
| if (mTrack != 0) { |
| return mTrack->setAuxEffectSendLevel(level); |
| } |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) |
| { |
| ALOGV("attachAuxEffect(%d)", effectId); |
| Mutex::Autolock lock(mLock); |
| mAuxEffectId = effectId; |
| if (mTrack != 0) { |
| return mTrack->attachAuxEffect(effectId); |
| } |
| return NO_ERROR; |
| } |
| |
| // static |
| void MediaPlayerService::AudioOutput::CallbackWrapper( |
| int event, void *cookie, void *info) { |
| //ALOGV("callbackwrapper"); |
| CallbackData *data = (CallbackData*)cookie; |
| // lock to ensure we aren't caught in the middle of a track switch. |
| data->lock(); |
| AudioOutput *me = data->getOutput(); |
| AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; |
| if (me == NULL) { |
| // no output set, likely because the track was scheduled to be reused |
| // by another player, but the format turned out to be incompatible. |
| data->unlock(); |
| if (buffer != NULL) { |
| buffer->size = 0; |
| } |
| return; |
| } |
| |
| switch(event) { |
| case AudioTrack::EVENT_MORE_DATA: { |
| size_t actualSize = (*me->mCallback)( |
| me, buffer->raw, buffer->size, me->mCallbackCookie, |
| CB_EVENT_FILL_BUFFER); |
| |
| // Log when no data is returned from the callback. |
| // (1) We may have no data (especially with network streaming sources). |
| // (2) We may have reached the EOS and the audio track is not stopped yet. |
| // Note that AwesomePlayer/AudioPlayer will only return zero size when it reaches the EOS. |
| // NuPlayerRenderer will return zero when it doesn't have data (it doesn't block to fill). |
| // |
| // This is a benign busy-wait, with the next data request generated 10 ms or more later; |
| // nevertheless for power reasons, we don't want to see too many of these. |
| |
| ALOGV_IF(actualSize == 0 && buffer->size > 0, "callbackwrapper: empty buffer returned"); |
| |
| me->mBytesWritten += actualSize; // benign race with reader. |
| buffer->size = actualSize; |
| } break; |
| |
| case AudioTrack::EVENT_STREAM_END: |
| // currently only occurs for offloaded callbacks |
| ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); |
| (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, |
| me->mCallbackCookie, CB_EVENT_STREAM_END); |
| break; |
| |
| case AudioTrack::EVENT_NEW_IAUDIOTRACK : |
| ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); |
| (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, |
| me->mCallbackCookie, CB_EVENT_TEAR_DOWN); |
| break; |
| |
| case AudioTrack::EVENT_UNDERRUN: |
| // This occurs when there is no data available, typically |
| // when there is a failure to supply data to the AudioTrack. It can also |
| // occur in non-offloaded mode when the audio device comes out of standby. |
| // |
| // If an AudioTrack underruns it outputs silence. Since this happens suddenly |
| // it may sound like an audible pop or glitch. |
| // |
| // The underrun event is sent once per track underrun; the condition is reset |
| // when more data is sent to the AudioTrack. |
| ALOGI("callbackwrapper: EVENT_UNDERRUN (discarded)"); |
| break; |
| |
| default: |
| ALOGE("received unknown event type: %d inside CallbackWrapper !", event); |
| } |
| |
| data->unlock(); |
| } |
| |
| int MediaPlayerService::AudioOutput::getSessionId() const |
| { |
| Mutex::Autolock lock(mLock); |
| return mSessionId; |
| } |
| |
| uint32_t MediaPlayerService::AudioOutput::getSampleRate() const |
| { |
| Mutex::Autolock lock(mLock); |
| if (mTrack == 0) return 0; |
| return mTrack->getSampleRate(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| struct CallbackThread : public Thread { |
| CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, |
| MediaPlayerBase::AudioSink::AudioCallback cb, |
| void *cookie); |
| |
| protected: |
| virtual ~CallbackThread(); |
| |
| virtual bool threadLoop(); |
| |
| private: |
| wp<MediaPlayerBase::AudioSink> mSink; |
| MediaPlayerBase::AudioSink::AudioCallback mCallback; |
| void *mCookie; |
| void *mBuffer; |
| size_t mBufferSize; |
| |
| CallbackThread(const CallbackThread &); |
| CallbackThread &operator=(const CallbackThread &); |
| }; |
| |
| CallbackThread::CallbackThread( |
| const wp<MediaPlayerBase::AudioSink> &sink, |
| MediaPlayerBase::AudioSink::AudioCallback cb, |
| void *cookie) |
| : mSink(sink), |
| mCallback(cb), |
| mCookie(cookie), |
| mBuffer(NULL), |
| mBufferSize(0) { |
| } |
| |
| CallbackThread::~CallbackThread() { |
| if (mBuffer) { |
| free(mBuffer); |
| mBuffer = NULL; |
| } |
| } |
| |
| bool CallbackThread::threadLoop() { |
| sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); |
| if (sink == NULL) { |
| return false; |
| } |
| |
| if (mBuffer == NULL) { |
| mBufferSize = sink->bufferSize(); |
| mBuffer = malloc(mBufferSize); |
| } |
| |
| size_t actualSize = |
| (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, |
| MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); |
| |
| if (actualSize > 0) { |
| sink->write(mBuffer, actualSize); |
| // Could return false on sink->write() error or short count. |
| // Not necessarily appropriate but would work for AudioCache behavior. |
| } |
| |
| return true; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void MediaPlayerService::addBatteryData(uint32_t params) |
| { |
| Mutex::Autolock lock(mLock); |
| |
| int32_t time = systemTime() / 1000000L; |
| |
| // change audio output devices. This notification comes from AudioFlinger |
| if ((params & kBatteryDataSpeakerOn) |
| || (params & kBatteryDataOtherAudioDeviceOn)) { |
| |
| int deviceOn[NUM_AUDIO_DEVICES]; |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| deviceOn[i] = 0; |
| } |
| |
| if ((params & kBatteryDataSpeakerOn) |
| && (params & kBatteryDataOtherAudioDeviceOn)) { |
| deviceOn[SPEAKER_AND_OTHER] = 1; |
| } else if (params & kBatteryDataSpeakerOn) { |
| deviceOn[SPEAKER] = 1; |
| } else { |
| deviceOn[OTHER_AUDIO_DEVICE] = 1; |
| } |
| |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ |
| |
| if (mBatteryAudio.refCount > 0) { // if playing audio |
| if (!deviceOn[i]) { |
| mBatteryAudio.lastTime[i] += time; |
| mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; |
| mBatteryAudio.lastTime[i] = 0; |
| } else { |
| mBatteryAudio.lastTime[i] = 0 - time; |
| } |
| } |
| |
| mBatteryAudio.deviceOn[i] = deviceOn[i]; |
| } |
| } |
| return; |
| } |
| |
| // an audio stream is started |
| if (params & kBatteryDataAudioFlingerStart) { |
| // record the start time only if currently no other audio |
| // is being played |
| if (mBatteryAudio.refCount == 0) { |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| if (mBatteryAudio.deviceOn[i]) { |
| mBatteryAudio.lastTime[i] -= time; |
| } |
| } |
| } |
| |
| mBatteryAudio.refCount ++; |
| return; |
| |
| } else if (params & kBatteryDataAudioFlingerStop) { |
| if (mBatteryAudio.refCount <= 0) { |
| ALOGW("Battery track warning: refCount is <= 0"); |
| return; |
| } |
| |
| // record the stop time only if currently this is the only |
| // audio being played |
| if (mBatteryAudio.refCount == 1) { |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| if (mBatteryAudio.deviceOn[i]) { |
| mBatteryAudio.lastTime[i] += time; |
| mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; |
| mBatteryAudio.lastTime[i] = 0; |
| } |
| } |
| } |
| |
| mBatteryAudio.refCount --; |
| return; |
| } |
| |
| int uid = IPCThreadState::self()->getCallingUid(); |
| if (uid == AID_MEDIA) { |
| return; |
| } |
| int index = mBatteryData.indexOfKey(uid); |
| |
| if (index < 0) { // create a new entry for this UID |
| BatteryUsageInfo info; |
| info.audioTotalTime = 0; |
| info.videoTotalTime = 0; |
| info.audioLastTime = 0; |
| info.videoLastTime = 0; |
| info.refCount = 0; |
| |
| if (mBatteryData.add(uid, info) == NO_MEMORY) { |
| ALOGE("Battery track error: no memory for new app"); |
| return; |
| } |
| } |
| |
| BatteryUsageInfo &info = mBatteryData.editValueFor(uid); |
| |
| if (params & kBatteryDataCodecStarted) { |
| if (params & kBatteryDataTrackAudio) { |
| info.audioLastTime -= time; |
| info.refCount ++; |
| } |
| if (params & kBatteryDataTrackVideo) { |
| info.videoLastTime -= time; |
| info.refCount ++; |
| } |
| } else { |
| if (info.refCount == 0) { |
| ALOGW("Battery track warning: refCount is already 0"); |
| return; |
| } else if (info.refCount < 0) { |
| ALOGE("Battery track error: refCount < 0"); |
| mBatteryData.removeItem(uid); |
| return; |
| } |
| |
| if (params & kBatteryDataTrackAudio) { |
| info.audioLastTime += time; |
| info.refCount --; |
| } |
| if (params & kBatteryDataTrackVideo) { |
| info.videoLastTime += time; |
| info.refCount --; |
| } |
| |
| // no stream is being played by this UID |
| if (info.refCount == 0) { |
| info.audioTotalTime += info.audioLastTime; |
| info.audioLastTime = 0; |
| info.videoTotalTime += info.videoLastTime; |
| info.videoLastTime = 0; |
| } |
| } |
| } |
| |
| status_t MediaPlayerService::pullBatteryData(Parcel* reply) { |
| Mutex::Autolock lock(mLock); |
| |
| // audio output devices usage |
| int32_t time = systemTime() / 1000000L; //in ms |
| int32_t totalTime; |
| |
| for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { |
| totalTime = mBatteryAudio.totalTime[i]; |
| |
| if (mBatteryAudio.deviceOn[i] |
| && (mBatteryAudio.lastTime[i] != 0)) { |
| int32_t tmpTime = mBatteryAudio.lastTime[i] + time; |
| totalTime += tmpTime; |
| } |
| |
| reply->writeInt32(totalTime); |
| // reset the total time |
| mBatteryAudio.totalTime[i] = 0; |
| } |
| |
| // codec usage |
| BatteryUsageInfo info; |
| int size = mBatteryData.size(); |
| |
| reply->writeInt32(size); |
| int i = 0; |
| |
| while (i < size) { |
| info = mBatteryData.valueAt(i); |
| |
| reply->writeInt32(mBatteryData.keyAt(i)); //UID |
| reply->writeInt32(info.audioTotalTime); |
| reply->writeInt32(info.videoTotalTime); |
| |
| info.audioTotalTime = 0; |
| info.videoTotalTime = 0; |
| |
| // remove the UID entry where no stream is being played |
| if (info.refCount <= 0) { |
| mBatteryData.removeItemsAt(i); |
| size --; |
| i --; |
| } |
| i++; |
| } |
| return NO_ERROR; |
| } |
| } // namespace android |