MediaPlayer2: move MediaPlayer2 native code to libmediaplayer2
Test: MediaPlayer2 plays
Bug: 63934228
Change-Id: Ibec6d15524510a4d8618d1f684456c6c24b79828
diff --git a/media/libmediaplayer2/MediaPlayer2Manager.cpp b/media/libmediaplayer2/MediaPlayer2Manager.cpp
new file mode 100644
index 0000000..c642d89
--- /dev/null
+++ b/media/libmediaplayer2/MediaPlayer2Manager.cpp
@@ -0,0 +1,2085 @@
+/*
+**
+** Copyright 2017, 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 "MediaPlayer2Manager"
+#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 <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/DataSourceDesc.h>
+#include <media/MediaHTTPService.h>
+#include <media/Metadata.h>
+#include <media/AudioTrack.h>
+#include <media/MemoryLeakTrackUtil.h>
+#include <media/NdkWrapper.h>
+
+#include <media/stagefright/InterfaceUtils.h>
+#include <media/stagefright/MediaCodecList.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/Utils.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/ALooperRoster.h>
+#include <media/stagefright/SurfaceUtils.h>
+#include <mediautils/BatteryNotifier.h>
+
+#include <mediaplayer2/MediaPlayer2EngineClient.h>
+#include <mediaplayer2/MediaPlayer2Interface.h>
+
+#include <memunreachable/memunreachable.h>
+#include <system/audio.h>
+#include <system/window.h>
+
+#include <private/android_filesystem_config.h>
+
+#include <nuplayer2/NuPlayer2Driver.h>
+#include "MediaPlayer2Manager.h"
+
+static const int kDumpLockRetries = 50;
+static const int kDumpLockSleepUs = 20000;
+
+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.
+
+const float kMaxRequiredSpeed = 8.0f; // for PCM tracks allow up to 8x speedup.
+
+// 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 %zu but got %zu", 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,
+ sizeof(attributes->tags) / sizeof(attributes->tags[0]));
+ }
+ } else {
+ ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values");
+ strcpy(attributes->tags, "");
+ }
+}
+} // anonymous namespace
+
+
+namespace android {
+
+extern ALooperRoster gLooperRoster;
+
+MediaPlayer2Manager gMediaPlayer2Manager;
+
+// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround
+/* static */ int MediaPlayer2Manager::AudioOutput::mMinBufferCount = 4;
+/* static */ bool MediaPlayer2Manager::AudioOutput::mIsOnEmulator = false;
+
+// static
+MediaPlayer2Manager& MediaPlayer2Manager::get() {
+ return gMediaPlayer2Manager;
+}
+
+MediaPlayer2Manager::MediaPlayer2Manager() {
+ ALOGV("MediaPlayer2Manager created");
+ // TODO: remove all unnecessary pid/uid handling.
+ mPid = IPCThreadState::self()->getCallingPid();
+ mUid = IPCThreadState::self()->getCallingUid();
+ mNextConnId = 1;
+}
+
+MediaPlayer2Manager::~MediaPlayer2Manager() {
+ ALOGV("MediaPlayer2Manager destroyed");
+}
+
+sp<MediaPlayer2Engine> MediaPlayer2Manager::create(
+ const sp<MediaPlayer2EngineClient>& client,
+ audio_session_t audioSessionId)
+{
+ int32_t connId = android_atomic_inc(&mNextConnId);
+
+ sp<Client> c = new Client(
+ mPid, connId, client, audioSessionId, mUid);
+
+ if (!c->init()) {
+ return NULL;
+ }
+
+ ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, mPid, mUid);
+
+ wp<Client> w = c;
+ {
+ Mutex::Autolock lock(mLock);
+ mClients.add(w);
+ }
+ return c;
+}
+
+status_t MediaPlayer2Manager::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 MediaPlayer2Manager::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);
+
+ sp<MediaPlayer2Interface> p;
+ sp<AudioOutput> audioOutput;
+ bool locked = false;
+ for (int i = 0; i < kDumpLockRetries; ++i) {
+ if (mLock.tryLock() == NO_ERROR) {
+ locked = true;
+ break;
+ }
+ usleep(kDumpLockSleepUs);
+ }
+
+ if (locked) {
+ p = mPlayer;
+ audioOutput = mAudioOutput;
+ mLock.unlock();
+ } else {
+ result.append(" lock is taken, no dump from player and audio output\n");
+ }
+ write(fd, result.string(), result.size());
+
+ if (p != NULL) {
+ p->dump(fd, args);
+ }
+ if (audioOutput != 0) {
+ audioOutput->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 MediaPlayer2Manager::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.
+
+ if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
+ snprintf(buffer, SIZE, "Permission Denial: "
+ "can't dump MediaPlayer2Manager from pid=%d, uid=%d\n",
+ mPid, mUid);
+ 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);
+ }
+
+ 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;
+ bool unreachableMemory = false;
+ for (size_t i = 0; i < args.size(); i++) {
+ if (args[i] == String16("-m")) {
+ dumpMem = true;
+ } else if (args[i] == String16("--unreachable")) {
+ unreachableMemory = true;
+ }
+ }
+ if (dumpMem) {
+ result.append("\nDumping memory:\n");
+ std::string s = dumpMemoryAddresses(100 /* limit */);
+ result.append(s.c_str(), s.size());
+ }
+ if (unreachableMemory) {
+ result.append("\nDumping unreachable memory:\n");
+ // TODO - should limit be an argument parameter?
+ // TODO: enable GetUnreachableMemoryString if it's part of stable API
+ //std::string s = GetUnreachableMemoryString(true /* contents */, 10000 /* limit */);
+ //result.append(s.c_str(), s.size());
+ }
+ }
+ write(fd, result.string(), result.size());
+ return NO_ERROR;
+}
+
+void MediaPlayer2Manager::removeClient(const wp<Client>& client)
+{
+ Mutex::Autolock lock(mLock);
+ mClients.remove(client);
+}
+
+bool MediaPlayer2Manager::hasClient(wp<Client> client)
+{
+ Mutex::Autolock lock(mLock);
+ return mClients.indexOf(client) != NAME_NOT_FOUND;
+}
+
+MediaPlayer2Manager::Client::Client(
+ pid_t pid,
+ int32_t connId,
+ const sp<MediaPlayer2EngineClient>& client,
+ audio_session_t audioSessionId,
+ uid_t uid)
+{
+ ALOGV("Client(%d) constructor", connId);
+ mPid = pid;
+ mConnId = connId;
+ mClient = client;
+ mLoop = false;
+ mStatus = NO_INIT;
+ mAudioSessionId = audioSessionId;
+ mUid = uid;
+ mAudioAttributes = NULL;
+
+#if CALLBACK_ANTAGONIZER
+ ALOGD("create Antagonizer");
+ mAntagonizer = new Antagonizer(notify, this);
+#endif
+}
+
+bool MediaPlayer2Manager::Client::init() {
+ sp<MediaPlayer2Interface> p = new NuPlayer2Driver(mPid);
+ status_t init_result = p->initCheck();
+ if (init_result != NO_ERROR) {
+ ALOGE("Failed to create player object, initCheck failed(%d)", init_result);
+ return false;
+ }
+
+ p->setNotifyCallback(this, notify);
+ p->setUID(mUid);
+ mAudioDeviceUpdatedListener = new AudioDeviceUpdatedNotifier(p);
+ mAudioOutput = new AudioOutput(mAudioSessionId, mUid,
+ mPid, mAudioAttributes, mAudioDeviceUpdatedListener);
+ p->setAudioSink(mAudioOutput);
+
+ mPlayer = p;
+ return true;
+}
+
+MediaPlayer2Manager::Client::~Client()
+{
+ ALOGV("Client(%d) destructor pid = %d", mConnId, mPid);
+ mAudioOutput.clear();
+ wp<Client> client(this);
+ disconnect();
+ gMediaPlayer2Manager.removeClient(client);
+ if (mAudioAttributes != NULL) {
+ free(mAudioAttributes);
+ }
+ mAudioDeviceUpdatedListener.clear();
+}
+
+void MediaPlayer2Manager::Client::disconnect()
+{
+ ALOGV("disconnect(%d) from pid %d", mConnId, mPid);
+ // grab local reference and clear main reference to prevent future
+ // access to object
+ sp<MediaPlayer2Interface> 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();
+ }
+
+ {
+ Mutex::Autolock l(mLock);
+ disconnectNativeWindow_l();
+ }
+
+ IPCThreadState::self()->flushCommands();
+}
+
+void MediaPlayer2Manager::Client::AudioDeviceUpdatedNotifier::onAudioDeviceUpdate(
+ audio_io_handle_t audioIo,
+ audio_port_handle_t deviceId) {
+ sp<MediaPlayer2Interface> listener = mListener.promote();
+ if (listener != NULL) {
+ listener->sendEvent(MEDIA2_AUDIO_ROUTING_CHANGED, audioIo, deviceId);
+ } else {
+ ALOGW("listener for process %d death is gone", MEDIA2_AUDIO_ROUTING_CHANGED);
+ }
+}
+
+status_t MediaPlayer2Manager::Client::setDataSource(
+ const sp<DataSourceDesc> &dsd) {
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == NULL) {
+ return NO_INIT;
+ }
+
+ if (dsd == NULL) {
+ return BAD_VALUE;
+ }
+
+ status_t status = p->setDataSource(dsd);
+ if (status != OK) {
+ ALOGE("setDataSource error: %d", status);
+ return status;
+ }
+
+ return status;
+}
+
+void MediaPlayer2Manager::Client::disconnectNativeWindow_l() {
+ if (mConnectedWindow != NULL && mConnectedWindow->getANativeWindow() != NULL) {
+ status_t err = native_window_api_disconnect(
+ mConnectedWindow->getANativeWindow(), NATIVE_WINDOW_API_MEDIA);
+
+ if (err != OK) {
+ ALOGW("nativeWindowDisconnect returned an error: %s (%d)",
+ strerror(-err), err);
+ }
+ }
+ mConnectedWindow.clear();
+}
+
+status_t MediaPlayer2Manager::Client::setVideoSurfaceTexture(
+ const sp<ANativeWindowWrapper>& nww)
+{
+ ALOGV("[%d] setVideoSurfaceTexture(%p)",
+ mConnId,
+ (nww == NULL ? NULL : nww->getANativeWindow()));
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+
+ if (nww != NULL && nww->getANativeWindow() != NULL) {
+ if (mConnectedWindow != NULL
+ && mConnectedWindow->getANativeWindow() == nww->getANativeWindow()) {
+ return OK;
+ }
+ status_t err = native_window_api_connect(
+ nww->getANativeWindow(), 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();
+
+ Mutex::Autolock lock(mLock);
+ disconnectNativeWindow_l();
+
+ 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(nww);
+
+ mLock.lock();
+ disconnectNativeWindow_l();
+
+ if (err == OK) {
+ mConnectedWindow = nww;
+ mLock.unlock();
+ } else if (nww != NULL) {
+ mLock.unlock();
+ status_t err = native_window_api_disconnect(
+ nww->getANativeWindow(), NATIVE_WINDOW_API_MEDIA);
+
+ if (err != OK) {
+ ALOGW("nativeWindowDisconnect returned an error: %s (%d)",
+ strerror(-err), err);
+ }
+ }
+
+ return err;
+}
+
+status_t MediaPlayer2Manager::Client::invoke(const Parcel& request,
+ Parcel *reply)
+{
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::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 MediaPlayer2Manager::Client::getMetadata(
+ bool update_only, bool /*apply_filter*/, Parcel *reply)
+{
+ sp<MediaPlayer2Interface> 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: ement 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 MediaPlayer2Manager::Client::setBufferingSettings(
+ const BufferingSettings& buffering)
+{
+ ALOGV("[%d] setBufferingSettings{%s}",
+ mConnId, buffering.toString().string());
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->setBufferingSettings(buffering);
+}
+
+status_t MediaPlayer2Manager::Client::getBufferingSettings(
+ BufferingSettings* buffering /* nonnull */)
+{
+ sp<MediaPlayer2Interface> p = getPlayer();
+ // TODO: create mPlayer on demand.
+ if (p == 0) return UNKNOWN_ERROR;
+ status_t ret = p->getBufferingSettings(buffering);
+ if (ret == NO_ERROR) {
+ ALOGV("[%d] getBufferingSettings{%s}",
+ mConnId, buffering->toString().string());
+ } else {
+ ALOGE("[%d] getBufferingSettings returned %d", mConnId, ret);
+ }
+ return ret;
+}
+
+status_t MediaPlayer2Manager::Client::prepareAsync()
+{
+ ALOGV("[%d] prepareAsync", mConnId);
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::Client::start()
+{
+ ALOGV("[%d] start", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ p->setLooping(mLoop);
+ return p->start();
+}
+
+status_t MediaPlayer2Manager::Client::stop()
+{
+ ALOGV("[%d] stop", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->stop();
+}
+
+status_t MediaPlayer2Manager::Client::pause()
+{
+ ALOGV("[%d] pause", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->pause();
+}
+
+status_t MediaPlayer2Manager::Client::isPlaying(bool* state)
+{
+ *state = false;
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ *state = p->isPlaying();
+ ALOGV("[%d] isPlaying: %d", mConnId, *state);
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::Client::setPlaybackSettings(const AudioPlaybackRate& rate)
+{
+ ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)",
+ mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->setPlaybackSettings(rate);
+}
+
+status_t MediaPlayer2Manager::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */)
+{
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::Client::setSyncSettings(
+ const AVSyncSettings& sync, float videoFpsHint)
+{
+ ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)",
+ mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->setSyncSettings(sync, videoFpsHint);
+}
+
+status_t MediaPlayer2Manager::Client::getSyncSettings(
+ AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */)
+{
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::Client::getCurrentPosition(int *msec)
+{
+ ALOGV("getCurrentPosition");
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::Client::getDuration(int *msec)
+{
+ ALOGV("getDuration");
+ sp<MediaPlayer2Interface> 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 MediaPlayer2Manager::Client::setNextPlayer(const sp<MediaPlayer2Engine>& player) {
+ ALOGV("setNextPlayer");
+ Mutex::Autolock l(mLock);
+ sp<Client> c = static_cast<Client*>(player.get());
+ if (c != NULL && !gMediaPlayer2Manager.hasClient(c)) {
+ return BAD_VALUE;
+ }
+
+ mNextClient = c;
+
+ if (c != NULL) {
+ if (mAudioOutput != NULL) {
+ mAudioOutput->setNextOutput(c->mAudioOutput);
+ } else {
+ ALOGE("no current audio output");
+ }
+
+ if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) {
+ mPlayer->setNextPlayer(mNextClient->getPlayer());
+ }
+ }
+
+ return OK;
+}
+
+status_t MediaPlayer2Manager::Client::seekTo(int msec, MediaPlayer2SeekMode mode)
+{
+ ALOGV("[%d] seekTo(%d, %d)", mConnId, msec, mode);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->seekTo(msec, mode);
+}
+
+status_t MediaPlayer2Manager::Client::reset()
+{
+ ALOGV("[%d] reset", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->reset();
+}
+
+status_t MediaPlayer2Manager::Client::notifyAt(int64_t mediaTimeUs)
+{
+ ALOGV("[%d] notifyAt(%lld)", mConnId, (long long)mediaTimeUs);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->notifyAt(mediaTimeUs);
+}
+
+status_t MediaPlayer2Manager::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 MediaPlayer2Manager::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 MediaPlayer2Manager::Client::setLooping(int loop)
+{
+ ALOGV("[%d] setLooping(%d)", mConnId, loop);
+ mLoop = loop;
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p != 0) return p->setLooping(loop);
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::Client::setVolume(float leftVolume, float rightVolume)
+{
+ ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume);
+
+ // for hardware output, call player instead
+ sp<MediaPlayer2Interface> p = getPlayer();
+ {
+ Mutex::Autolock l(mLock);
+ if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume);
+ }
+
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::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 MediaPlayer2Manager::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 MediaPlayer2Manager::Client::setParameter(int key, const Parcel &request) {
+ ALOGV("[%d] setParameter(%d)", mConnId, key);
+ switch (key) {
+ case MEDIA2_KEY_PARAMETER_AUDIO_ATTRIBUTES:
+ {
+ Mutex::Autolock l(mLock);
+ return setAudioAttributes_l(request);
+ }
+ default:
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) { return UNKNOWN_ERROR; }
+ return p->setParameter(key, request);
+ }
+}
+
+status_t MediaPlayer2Manager::Client::getParameter(int key, Parcel *reply) {
+ ALOGV("[%d] getParameter(%d)", mConnId, key);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+ return p->getParameter(key, reply);
+}
+
+void MediaPlayer2Manager::Client::notify(
+ const wp<MediaPlayer2Engine> &listener, int msg, int ext1, int ext2, const Parcel *obj)
+{
+ sp<MediaPlayer2Engine> spListener = listener.promote();
+ if (spListener == NULL) {
+ return;
+ }
+ Client* client = static_cast<Client*>(spListener.get());
+
+ sp<MediaPlayer2EngineClient> c;
+ sp<Client> nextClient;
+ status_t errStartNext = NO_ERROR;
+ {
+ Mutex::Autolock l(client->mLock);
+ c = client->mClient;
+ if (msg == MEDIA2_PLAYBACK_COMPLETE && client->mNextClient != NULL) {
+ nextClient = client->mNextClient;
+
+ if (client->mAudioOutput != NULL)
+ client->mAudioOutput->switchToNextOutput();
+
+ errStartNext = nextClient->start();
+ }
+ }
+
+ if (nextClient != NULL) {
+ sp<MediaPlayer2EngineClient> nc;
+ {
+ Mutex::Autolock l(nextClient->mLock);
+ nc = nextClient->mClient;
+ }
+ if (nc != NULL) {
+ if (errStartNext == NO_ERROR) {
+ nc->notify(MEDIA2_INFO, MEDIA2_INFO_STARTED_AS_NEXT, 0, obj);
+ } else {
+ nc->notify(MEDIA2_ERROR, MEDIA2_ERROR_UNKNOWN , 0, obj);
+ ALOGE("gapless:start playback for next track failed, err(%d)", errStartNext);
+ }
+ }
+ }
+
+ if (MEDIA2_INFO == msg &&
+ MEDIA2_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, spListener.get(), msg, ext1, ext2);
+ c->notify(msg, ext1, ext2, obj);
+ }
+}
+
+
+bool MediaPlayer2Manager::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 MediaPlayer2Manager::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) {
+ Mutex::Autolock lock(mLock);
+ if (mMetadataUpdated.indexOf(metadata_type) < 0) {
+ mMetadataUpdated.add(metadata_type);
+ }
+}
+
+// Modular DRM
+status_t MediaPlayer2Manager::Client::prepareDrm(const uint8_t uuid[16],
+ const Vector<uint8_t>& drmSessionId)
+{
+ ALOGV("[%d] prepareDrm", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+
+ status_t ret = p->prepareDrm(uuid, drmSessionId);
+ ALOGV("prepareDrm ret: %d", ret);
+
+ return ret;
+}
+
+status_t MediaPlayer2Manager::Client::releaseDrm()
+{
+ ALOGV("[%d] releaseDrm", mConnId);
+ sp<MediaPlayer2Interface> p = getPlayer();
+ if (p == 0) return UNKNOWN_ERROR;
+
+ status_t ret = p->releaseDrm();
+ ALOGV("releaseDrm ret: %d", ret);
+
+ return ret;
+}
+
+status_t MediaPlayer2Manager::Client::setOutputDevice(audio_port_handle_t deviceId)
+{
+ ALOGV("[%d] setOutputDevice", mConnId);
+ {
+ Mutex::Autolock l(mLock);
+ if (mAudioOutput.get() != nullptr) {
+ return mAudioOutput->setOutputDevice(deviceId);
+ }
+ }
+ return NO_INIT;
+}
+
+status_t MediaPlayer2Manager::Client::getRoutedDeviceId(audio_port_handle_t* deviceId)
+{
+ ALOGV("[%d] getRoutedDeviceId", mConnId);
+ {
+ Mutex::Autolock l(mLock);
+ if (mAudioOutput.get() != nullptr) {
+ return mAudioOutput->getRoutedDeviceId(deviceId);
+ }
+ }
+ return NO_INIT;
+}
+
+status_t MediaPlayer2Manager::Client::enableAudioDeviceCallback(bool enabled)
+{
+ ALOGV("[%d] enableAudioDeviceCallback, %d", mConnId, enabled);
+ {
+ Mutex::Autolock l(mLock);
+ if (mAudioOutput.get() != nullptr) {
+ return mAudioOutput->enableAudioDeviceCallback(enabled);
+ }
+ }
+ return NO_INIT;
+}
+
+#if CALLBACK_ANTAGONIZER
+const int Antagonizer::interval = 10000; // 10 msecs
+
+Antagonizer::Antagonizer(
+ MediaPlayer2Manager::NotifyCallback cb,
+ const wp<MediaPlayer2Engine> &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"
+MediaPlayer2Manager::AudioOutput::AudioOutput(audio_session_t sessionId, uid_t uid, int pid,
+ const audio_attributes_t* attr, const sp<AudioSystem::AudioDeviceCallback>& deviceCallback)
+ : mCallback(NULL),
+ mCallbackCookie(NULL),
+ mCallbackData(NULL),
+ 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),
+ mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE),
+ mRoutedDeviceId(AUDIO_PORT_HANDLE_NONE),
+ mDeviceCallbackEnabled(false),
+ mDeviceCallback(deviceCallback)
+{
+ 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();
+}
+
+MediaPlayer2Manager::AudioOutput::~AudioOutput()
+{
+ close();
+ free(mAttributes);
+ delete mCallbackData;
+}
+
+//static
+void MediaPlayer2Manager::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 MediaPlayer2Manager::AudioOutput::isOnEmulator()
+{
+ setMinBufferCount(); // benign race wrt other threads
+ return mIsOnEmulator;
+}
+
+// static
+int MediaPlayer2Manager::AudioOutput::getMinBufferCount()
+{
+ setMinBufferCount(); // benign race wrt other threads
+ return mMinBufferCount;
+}
+
+ssize_t MediaPlayer2Manager::AudioOutput::bufferSize() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->frameCount() * mFrameSize;
+}
+
+ssize_t MediaPlayer2Manager::AudioOutput::frameCount() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->frameCount();
+}
+
+ssize_t MediaPlayer2Manager::AudioOutput::channelCount() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->channelCount();
+}
+
+ssize_t MediaPlayer2Manager::AudioOutput::frameSize() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mFrameSize;
+}
+
+uint32_t MediaPlayer2Manager::AudioOutput::latency () const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return 0;
+ return mTrack->latency();
+}
+
+float MediaPlayer2Manager::AudioOutput::msecsPerFrame() const
+{
+ Mutex::Autolock lock(mLock);
+ return mMsecsPerFrame;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::getPosition(uint32_t *position) const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->getPosition(position);
+}
+
+status_t MediaPlayer2Manager::AudioOutput::getTimestamp(AudioTimestamp &ts) const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->getTimestamp(ts);
+}
+
+// TODO: Remove unnecessary calls to getPlayedOutDurationUs()
+// as it acquires locks and may query the audio driver.
+//
+// Some calls could conceivably retrieve extrapolated data instead of
+// accessing getTimestamp() or getPosition() every time a data buffer with
+// a media time is received.
+//
+// Calculate duration of played samples if played at normal rate (i.e., 1.0).
+int64_t MediaPlayer2Manager::AudioOutput::getPlayedOutDurationUs(int64_t nowUs) const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0 || mSampleRateHz == 0) {
+ return 0;
+ }
+
+ uint32_t numFramesPlayed;
+ int64_t numFramesPlayedAtUs;
+ AudioTimestamp ts;
+
+ status_t res = mTrack->getTimestamp(ts);
+ if (res == OK) { // case 1: mixing audio tracks and offloaded tracks.
+ numFramesPlayed = ts.mPosition;
+ numFramesPlayedAtUs = ts.mTime.tv_sec * 1000000LL + ts.mTime.tv_nsec / 1000;
+ //ALOGD("getTimestamp: OK %d %lld", numFramesPlayed, (long long)numFramesPlayedAtUs);
+ } else if (res == WOULD_BLOCK) { // case 2: transitory state on start of a new track
+ numFramesPlayed = 0;
+ numFramesPlayedAtUs = nowUs;
+ //ALOGD("getTimestamp: WOULD_BLOCK %d %lld",
+ // numFramesPlayed, (long long)numFramesPlayedAtUs);
+ } else { // case 3: transitory at new track or audio fast tracks.
+ res = mTrack->getPosition(&numFramesPlayed);
+ CHECK_EQ(res, (status_t)OK);
+ numFramesPlayedAtUs = nowUs;
+ numFramesPlayedAtUs += 1000LL * mTrack->latency() / 2; /* XXX */
+ //ALOGD("getPosition: %u %lld", numFramesPlayed, (long long)numFramesPlayedAtUs);
+ }
+
+ // CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test
+ // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours.
+ int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000000LL / mSampleRateHz)
+ + nowUs - numFramesPlayedAtUs;
+ if (durationUs < 0) {
+ // Occurs when numFramesPlayed position is very small and the following:
+ // (1) In case 1, the time nowUs is computed before getTimestamp() is called and
+ // numFramesPlayedAtUs is greater than nowUs by time more than numFramesPlayed.
+ // (2) In case 3, using getPosition and adding mAudioSink->latency() to
+ // numFramesPlayedAtUs, by a time amount greater than numFramesPlayed.
+ //
+ // Both of these are transitory conditions.
+ ALOGV("getPlayedOutDurationUs: negative duration %lld set to zero", (long long)durationUs);
+ durationUs = 0;
+ }
+ ALOGV("getPlayedOutDurationUs(%lld) nowUs(%lld) frames(%u) framesAt(%lld)",
+ (long long)durationUs, (long long)nowUs,
+ numFramesPlayed, (long long)numFramesPlayedAtUs);
+ return durationUs;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::getFramesWritten(uint32_t *frameswritten) const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ ExtendedTimestamp ets;
+ status_t status = mTrack->getTimestamp(&ets);
+ if (status == OK || status == WOULD_BLOCK) {
+ *frameswritten = (uint32_t)ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT];
+ }
+ return status;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::setParameters(const String8& keyValuePairs)
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return NO_INIT;
+ return mTrack->setParameters(keyValuePairs);
+}
+
+String8 MediaPlayer2Manager::AudioOutput::getParameters(const String8& keys)
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return String8::empty();
+ return mTrack->getParameters(keys);
+}
+
+void MediaPlayer2Manager::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 MediaPlayer2Manager::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 MediaPlayer2Manager::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) {
+ int32_t msec = 0;
+ if (!mRecycledTrack->stopped()) { // check if active
+ (void)mRecycledTrack->pendingDuration(&msec);
+ }
+ mRecycledTrack->stop(); // ensure full data drain
+ ALOGD("deleting recycled track, waiting for data drain (%d msec)", msec);
+ if (msec > 0) {
+ static const int32_t WAIT_LIMIT_MS = 3000;
+ if (msec > WAIT_LIMIT_MS) {
+ msec = WAIT_LIMIT_MS;
+ }
+ usleep(msec * 1000LL);
+ }
+ }
+ // 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 MediaPlayer2Manager::AudioOutput::close_l()
+{
+ mTrack.clear();
+}
+
+status_t MediaPlayer2Manager::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,
+ 1.0f, // default value for maxRequiredSpeed
+ mSelectedDeviceId);
+ } else {
+ // TODO: Due to buffer memory concerns, we use a max target playback speed
+ // based on mPlaybackRate at the time of open (instead of kMaxRequiredSpeed),
+ // also clamping the target speed to 1.0 <= targetSpeed <= kMaxRequiredSpeed.
+ const float targetSpeed =
+ std::min(std::max(mPlaybackRate.mSpeed, 1.0f), kMaxRequiredSpeed);
+ ALOGW_IF(targetSpeed != mPlaybackRate.mSpeed,
+ "track target speed:%f clamped from playback speed:%f",
+ targetSpeed, mPlaybackRate.mSpeed);
+ 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,
+ targetSpeed,
+ mSelectedDeviceId);
+ }
+
+ 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: %zu/%zu 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 updateTrack();
+ }
+ }
+
+ // 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();
+ mTrack = t;
+
+ return updateTrack();
+}
+
+status_t MediaPlayer2Manager::AudioOutput::updateTrack() {
+ if (mTrack == NULL) {
+ return NO_ERROR;
+ }
+
+ 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 ((mTrack->getFlags()
+ & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) {
+ res = mTrack->setPlaybackRate(mPlaybackRate);
+ if (res == NO_ERROR) {
+ mTrack->setAuxEffectSendLevel(mSendLevel);
+ res = mTrack->attachAuxEffect(mAuxEffectId);
+ }
+ }
+ mTrack->setOutputDevice(mSelectedDeviceId);
+ if (mDeviceCallbackEnabled) {
+ mTrack->addAudioDeviceCallback(mDeviceCallback.promote());
+ }
+ ALOGV("updateTrack() DONE status %d", res);
+ return res;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::start()
+{
+ ALOGV("start");
+ Mutex::Autolock lock(mLock);
+ if (mCallbackData != NULL) {
+ mCallbackData->endTrackSwitch();
+ }
+ if (mTrack != 0) {
+ mTrack->setVolume(mLeftVolume, mRightVolume);
+ mTrack->setAuxEffectSendLevel(mSendLevel);
+ status_t status = mTrack->start();
+ return status;
+ }
+ return NO_INIT;
+}
+
+void MediaPlayer2Manager::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) {
+ Mutex::Autolock lock(mLock);
+ mNextOutput = nextOutput;
+}
+
+void MediaPlayer2Manager::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
+ callbackData->setOutput(NULL);
+#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->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 MediaPlayer2Manager::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) {
+ return mTrack->write(buffer, size, blocking);
+ }
+ return NO_INIT;
+}
+
+void MediaPlayer2Manager::AudioOutput::stop()
+{
+ ALOGV("stop");
+ Mutex::Autolock lock(mLock);
+ if (mTrack != 0) mTrack->stop();
+}
+
+void MediaPlayer2Manager::AudioOutput::flush()
+{
+ ALOGV("flush");
+ Mutex::Autolock lock(mLock);
+ if (mTrack != 0) mTrack->flush();
+}
+
+void MediaPlayer2Manager::AudioOutput::pause()
+{
+ ALOGV("pause");
+ Mutex::Autolock lock(mLock);
+ if (mTrack != 0) mTrack->pause();
+}
+
+void MediaPlayer2Manager::AudioOutput::close()
+{
+ ALOGV("close");
+ sp<AudioTrack> track;
+ {
+ Mutex::Autolock lock(mLock);
+ track = mTrack;
+ close_l(); // clears mTrack
+ }
+ // destruction of the track occurs outside of mutex.
+}
+
+void MediaPlayer2Manager::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 MediaPlayer2Manager::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 MediaPlayer2Manager::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate)
+{
+ ALOGV("setPlaybackRate");
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) {
+ return NO_INIT;
+ }
+ *rate = mTrack->getPlaybackRate();
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::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 MediaPlayer2Manager::AudioOutput::attachAuxEffect(int effectId)
+{
+ ALOGV("attachAuxEffect(%d)", effectId);
+ Mutex::Autolock lock(mLock);
+ mAuxEffectId = effectId;
+ if (mTrack != 0) {
+ return mTrack->attachAuxEffect(effectId);
+ }
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::setOutputDevice(audio_port_handle_t deviceId)
+{
+ ALOGV("setOutputDevice(%d)", deviceId);
+ Mutex::Autolock lock(mLock);
+ mSelectedDeviceId = deviceId;
+ if (mTrack != 0) {
+ return mTrack->setOutputDevice(deviceId);
+ }
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::getRoutedDeviceId(audio_port_handle_t* deviceId)
+{
+ ALOGV("getRoutedDeviceId");
+ Mutex::Autolock lock(mLock);
+ if (mTrack != 0) {
+ mRoutedDeviceId = mTrack->getRoutedDeviceId();
+ }
+ *deviceId = mRoutedDeviceId;
+ return NO_ERROR;
+}
+
+status_t MediaPlayer2Manager::AudioOutput::enableAudioDeviceCallback(bool enabled)
+{
+ ALOGV("enableAudioDeviceCallback, %d", enabled);
+ Mutex::Autolock lock(mLock);
+ mDeviceCallbackEnabled = enabled;
+ if (mTrack != 0) {
+ status_t status;
+ if (enabled) {
+ status = mTrack->addAudioDeviceCallback(mDeviceCallback.promote());
+ } else {
+ status = mTrack->removeAudioDeviceCallback(mDeviceCallback.promote());
+ }
+ return status;
+ }
+ return NO_ERROR;
+}
+
+// static
+void MediaPlayer2Manager::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.
+ // NuPlayer2Renderer 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");
+
+ 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.
+ ALOGD("callbackwrapper: EVENT_UNDERRUN (discarded)");
+ break;
+
+ default:
+ ALOGE("received unknown event type: %d inside CallbackWrapper !", event);
+ }
+
+ data->unlock();
+}
+
+audio_session_t MediaPlayer2Manager::AudioOutput::getSessionId() const
+{
+ Mutex::Autolock lock(mLock);
+ return mSessionId;
+}
+
+uint32_t MediaPlayer2Manager::AudioOutput::getSampleRate() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) return 0;
+ return mTrack->getSampleRate();
+}
+
+int64_t MediaPlayer2Manager::AudioOutput::getBufferDurationInUs() const
+{
+ Mutex::Autolock lock(mLock);
+ if (mTrack == 0) {
+ return 0;
+ }
+ int64_t duration;
+ if (mTrack->getBufferDurationInUs(&duration) != OK) {
+ return 0;
+ }
+ return duration;
+}
+
+} // namespace android