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-rw-r--r--services/audioflinger/AudioFlinger.cpp245
1 files changed, 174 insertions, 71 deletions
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index e9c38e3..db81ff0 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -104,6 +104,27 @@ static const nsecs_t kMinGlobalEffectEnabletimeNs = seconds(7200);
// ----------------------------------------------------------------------------
+const char *formatToString(audio_format_t format) {
+ switch(format) {
+ case AUDIO_FORMAT_PCM_SUB_8_BIT: return "pcm8";
+ case AUDIO_FORMAT_PCM_SUB_16_BIT: return "pcm16";
+ case AUDIO_FORMAT_PCM_SUB_32_BIT: return "pcm32";
+ case AUDIO_FORMAT_PCM_SUB_8_24_BIT: return "pcm8.24";
+ case AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED: return "pcm24";
+ case AUDIO_FORMAT_PCM_SUB_FLOAT: return "pcmfloat";
+ case AUDIO_FORMAT_MP3: return "mp3";
+ case AUDIO_FORMAT_AMR_NB: return "amr-nb";
+ case AUDIO_FORMAT_AMR_WB: return "amr-wb";
+ case AUDIO_FORMAT_AAC: return "aac";
+ case AUDIO_FORMAT_HE_AAC_V1: return "he-aac-v1";
+ case AUDIO_FORMAT_HE_AAC_V2: return "he-aac-v2";
+ case AUDIO_FORMAT_VORBIS: return "vorbis";
+ default:
+ break;
+ }
+ return "unknown";
+}
+
static int load_audio_interface(const char *if_name, audio_hw_device_t **dev)
{
const hw_module_t *mod;
@@ -162,12 +183,16 @@ AudioFlinger::AudioFlinger()
(void) property_get("af.tee", value, "0");
teeEnabled = atoi(value);
}
- if (teeEnabled & 1)
+ // FIXME symbolic constants here
+ if (teeEnabled & 1) {
mTeeSinkInputEnabled = true;
- if (teeEnabled & 2)
+ }
+ if (teeEnabled & 2) {
mTeeSinkOutputEnabled = true;
- if (teeEnabled & 4)
+ }
+ if (teeEnabled & 4) {
mTeeSinkTrackEnabled = true;
+ }
#endif
}
@@ -210,6 +235,18 @@ AudioFlinger::~AudioFlinger()
audio_hw_device_close(mAudioHwDevs.valueAt(i)->hwDevice());
delete mAudioHwDevs.valueAt(i);
}
+
+ // Tell media.log service about any old writers that still need to be unregistered
+ sp<IBinder> binder = defaultServiceManager()->getService(String16("media.log"));
+ if (binder != 0) {
+ sp<IMediaLogService> mediaLogService(interface_cast<IMediaLogService>(binder));
+ for (size_t count = mUnregisteredWriters.size(); count > 0; count--) {
+ sp<IMemory> iMemory(mUnregisteredWriters.top()->getIMemory());
+ mUnregisteredWriters.pop();
+ mediaLogService->unregisterWriter(iMemory);
+ }
+ }
+
}
static const char * const audio_interfaces[] = {
@@ -249,7 +286,7 @@ AudioFlinger::AudioHwDevice* AudioFlinger::findSuitableHwDev_l(
return NULL;
}
-void AudioFlinger::dumpClients(int fd, const Vector<String16>& args)
+void AudioFlinger::dumpClients(int fd, const Vector<String16>& args __unused)
{
const size_t SIZE = 256;
char buffer[SIZE];
@@ -271,17 +308,17 @@ void AudioFlinger::dumpClients(int fd, const Vector<String16>& args)
}
result.append("Global session refs:\n");
- result.append(" session pid count\n");
+ result.append(" session pid count\n");
for (size_t i = 0; i < mAudioSessionRefs.size(); i++) {
AudioSessionRef *r = mAudioSessionRefs[i];
- snprintf(buffer, SIZE, " %7d %3d %3d\n", r->mSessionid, r->mPid, r->mCnt);
+ snprintf(buffer, SIZE, " %7d %5d %5d\n", r->mSessionid, r->mPid, r->mCnt);
result.append(buffer);
}
write(fd, result.string(), result.size());
}
-void AudioFlinger::dumpInternals(int fd, const Vector<String16>& args)
+void AudioFlinger::dumpInternals(int fd, const Vector<String16>& args __unused)
{
const size_t SIZE = 256;
char buffer[SIZE];
@@ -296,7 +333,7 @@ void AudioFlinger::dumpInternals(int fd, const Vector<String16>& args)
write(fd, result.string(), result.size());
}
-void AudioFlinger::dumpPermissionDenial(int fd, const Vector<String16>& args)
+void AudioFlinger::dumpPermissionDenial(int fd, const Vector<String16>& args __unused)
{
const size_t SIZE = 256;
char buffer[SIZE];
@@ -403,16 +440,44 @@ sp<AudioFlinger::Client> AudioFlinger::registerPid_l(pid_t pid)
sp<NBLog::Writer> AudioFlinger::newWriter_l(size_t size, const char *name)
{
+ // If there is no memory allocated for logs, return a dummy writer that does nothing
if (mLogMemoryDealer == 0) {
return new NBLog::Writer();
}
- sp<IMemory> shared = mLogMemoryDealer->allocate(NBLog::Timeline::sharedSize(size));
- sp<NBLog::Writer> writer = new NBLog::Writer(size, shared);
sp<IBinder> binder = defaultServiceManager()->getService(String16("media.log"));
- if (binder != 0) {
- interface_cast<IMediaLogService>(binder)->registerWriter(shared, size, name);
+ // Similarly if we can't contact the media.log service, also return a dummy writer
+ if (binder == 0) {
+ return new NBLog::Writer();
+ }
+ sp<IMediaLogService> mediaLogService(interface_cast<IMediaLogService>(binder));
+ sp<IMemory> shared = mLogMemoryDealer->allocate(NBLog::Timeline::sharedSize(size));
+ // If allocation fails, consult the vector of previously unregistered writers
+ // and garbage-collect one or more them until an allocation succeeds
+ if (shared == 0) {
+ Mutex::Autolock _l(mUnregisteredWritersLock);
+ for (size_t count = mUnregisteredWriters.size(); count > 0; count--) {
+ {
+ // Pick the oldest stale writer to garbage-collect
+ sp<IMemory> iMemory(mUnregisteredWriters[0]->getIMemory());
+ mUnregisteredWriters.removeAt(0);
+ mediaLogService->unregisterWriter(iMemory);
+ // Now the media.log remote reference to IMemory is gone. When our last local
+ // reference to IMemory also drops to zero at end of this block,
+ // the IMemory destructor will deallocate the region from mLogMemoryDealer.
+ }
+ // Re-attempt the allocation
+ shared = mLogMemoryDealer->allocate(NBLog::Timeline::sharedSize(size));
+ if (shared != 0) {
+ goto success;
+ }
+ }
+ // Even after garbage-collecting all old writers, there is still not enough memory,
+ // so return a dummy writer
+ return new NBLog::Writer();
}
- return writer;
+success:
+ mediaLogService->registerWriter(shared, size, name);
+ return new NBLog::Writer(size, shared);
}
void AudioFlinger::unregisterWriter(const sp<NBLog::Writer>& writer)
@@ -424,13 +489,10 @@ void AudioFlinger::unregisterWriter(const sp<NBLog::Writer>& writer)
if (iMemory == 0) {
return;
}
- sp<IBinder> binder = defaultServiceManager()->getService(String16("media.log"));
- if (binder != 0) {
- interface_cast<IMediaLogService>(binder)->unregisterWriter(iMemory);
- // Now the media.log remote reference to IMemory is gone.
- // When our last local reference to IMemory also drops to zero,
- // the IMemory destructor will deallocate the region from mMemoryDealer.
- }
+ // Rather than removing the writer immediately, append it to a queue of old writers to
+ // be garbage-collected later. This allows us to continue to view old logs for a while.
+ Mutex::Autolock _l(mUnregisteredWritersLock);
+ mUnregisteredWriters.push(writer);
}
// IAudioFlinger interface
@@ -441,7 +503,7 @@ sp<IAudioTrack> AudioFlinger::createTrack(
uint32_t sampleRate,
audio_format_t format,
audio_channel_mask_t channelMask,
- size_t frameCount,
+ size_t *frameCount,
IAudioFlinger::track_flags_t *flags,
const sp<IMemory>& sharedBuffer,
audio_io_handle_t output,
@@ -465,10 +527,31 @@ sp<IAudioTrack> AudioFlinger::createTrack(
goto Exit;
}
+ // further sample rate checks are performed by createTrack_l() depending on the thread type
+ if (sampleRate == 0) {
+ ALOGE("createTrack() invalid sample rate %u", sampleRate);
+ lStatus = BAD_VALUE;
+ goto Exit;
+ }
+
+ // further channel mask checks are performed by createTrack_l() depending on the thread type
+ if (!audio_is_output_channel(channelMask)) {
+ ALOGE("createTrack() invalid channel mask %#x", channelMask);
+ lStatus = BAD_VALUE;
+ goto Exit;
+ }
+
// client is responsible for conversion of 8-bit PCM to 16-bit PCM,
// and we don't yet support 8.24 or 32-bit PCM
- if (audio_is_linear_pcm(format) && format != AUDIO_FORMAT_PCM_16_BIT) {
- ALOGE("createTrack() invalid format %d", format);
+ if (!audio_is_valid_format(format) ||
+ (audio_is_linear_pcm(format) && format != AUDIO_FORMAT_PCM_16_BIT)) {
+ ALOGE("createTrack() invalid format %#x", format);
+ lStatus = BAD_VALUE;
+ goto Exit;
+ }
+
+ if (sharedBuffer != 0 && sharedBuffer->pointer() == NULL) {
+ ALOGE("createTrack() sharedBuffer is non-0 but has NULL pointer()");
lStatus = BAD_VALUE;
goto Exit;
}
@@ -488,7 +571,7 @@ sp<IAudioTrack> AudioFlinger::createTrack(
client = registerPid_l(pid);
ALOGV("createTrack() sessionId: %d", (sessionId == NULL) ? -2 : *sessionId);
- if (sessionId != NULL && *sessionId != AUDIO_SESSION_OUTPUT_MIX) {
+ if (sessionId != NULL && *sessionId != AUDIO_SESSION_ALLOCATE) {
// check if an effect chain with the same session ID is present on another
// output thread and move it here.
for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
@@ -513,10 +596,13 @@ sp<IAudioTrack> AudioFlinger::createTrack(
track = thread->createTrack_l(client, streamType, sampleRate, format,
channelMask, frameCount, sharedBuffer, lSessionId, flags, tid, clientUid, &lStatus);
+ LOG_ALWAYS_FATAL_IF((lStatus == NO_ERROR) && (track == 0));
+ // we don't abort yet if lStatus != NO_ERROR; there is still work to be done regardless
// move effect chain to this output thread if an effect on same session was waiting
// for a track to be created
if (lStatus == NO_ERROR && effectThread != NULL) {
+ // no risk of deadlock because AudioFlinger::mLock is held
Mutex::Autolock _dl(thread->mLock);
Mutex::Autolock _sl(effectThread->mLock);
moveEffectChain_l(lSessionId, effectThread, thread, true);
@@ -536,7 +622,9 @@ sp<IAudioTrack> AudioFlinger::createTrack(
}
}
}
+
}
+
if (lStatus == NO_ERROR) {
// s for server's pid, n for normal mixer name, f for fast index
name = String8::format("s:%d;n:%d;f:%d", getpid_cached, track->name() - AudioMixer::TRACK0,
@@ -550,9 +638,7 @@ sp<IAudioTrack> AudioFlinger::createTrack(
}
Exit:
- if (status != NULL) {
- *status = lStatus;
- }
+ *status = lStatus;
return trackHandle;
}
@@ -1210,7 +1296,7 @@ AudioFlinger::NotificationClient::~NotificationClient()
{
}
-void AudioFlinger::NotificationClient::binderDied(const wp<IBinder>& who)
+void AudioFlinger::NotificationClient::binderDied(const wp<IBinder>& who __unused)
{
sp<NotificationClient> keep(this);
mAudioFlinger->removeNotificationClient(mPid);
@@ -1228,7 +1314,7 @@ sp<IAudioRecord> AudioFlinger::openRecord(
uint32_t sampleRate,
audio_format_t format,
audio_channel_mask_t channelMask,
- size_t frameCount,
+ size_t *frameCount,
IAudioFlinger::track_flags_t *flags,
pid_t tid,
int *sessionId,
@@ -1249,8 +1335,24 @@ sp<IAudioRecord> AudioFlinger::openRecord(
goto Exit;
}
+ // further sample rate checks are performed by createRecordTrack_l()
+ if (sampleRate == 0) {
+ ALOGE("openRecord() invalid sample rate %u", sampleRate);
+ lStatus = BAD_VALUE;
+ goto Exit;
+ }
+
+ // FIXME when we support more formats, add audio_is_valid_format(format)
+ // and any explicit restrictions if audio_is_linear_pcm(format)
if (format != AUDIO_FORMAT_PCM_16_BIT) {
- ALOGE("openRecord() invalid format %d", format);
+ ALOGE("openRecord() invalid format %#x", format);
+ lStatus = BAD_VALUE;
+ goto Exit;
+ }
+
+ // further channel mask checks are performed by createRecordTrack_l()
+ if (!audio_is_input_channel(channelMask)) {
+ ALOGE("openRecord() invalid channel mask %#x", channelMask);
lStatus = BAD_VALUE;
goto Exit;
}
@@ -1276,7 +1378,7 @@ sp<IAudioRecord> AudioFlinger::openRecord(
client = registerPid_l(pid);
// If no audio session id is provided, create one here
- if (sessionId != NULL && *sessionId != AUDIO_SESSION_OUTPUT_MIX) {
+ if (sessionId != NULL && *sessionId != AUDIO_SESSION_ALLOCATE) {
lSessionId = *sessionId;
} else {
lSessionId = nextUniqueId();
@@ -1291,8 +1393,9 @@ sp<IAudioRecord> AudioFlinger::openRecord(
frameCount, lSessionId,
IPCThreadState::self()->getCallingUid(),
flags, tid, &lStatus);
- LOG_ALWAYS_FATAL_IF((recordTrack != 0) != (lStatus == NO_ERROR));
+ LOG_ALWAYS_FATAL_IF((lStatus == NO_ERROR) && (recordTrack == 0));
}
+
if (lStatus != NO_ERROR) {
// remove local strong reference to Client before deleting the RecordTrack so that the
// Client destructor is called by the TrackBase destructor with mLock held
@@ -1301,14 +1404,11 @@ sp<IAudioRecord> AudioFlinger::openRecord(
goto Exit;
}
- // return to handle to client
+ // return handle to client
recordHandle = new RecordHandle(recordTrack);
- lStatus = NO_ERROR;
Exit:
- if (status) {
- *status = lStatus;
- }
+ *status = lStatus;
return recordHandle;
}
@@ -1449,18 +1549,15 @@ audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
audio_output_flags_t flags,
const audio_offload_info_t *offloadInfo)
{
- PlaybackThread *thread = NULL;
struct audio_config config;
+ memset(&config, 0, sizeof(config));
config.sample_rate = (pSamplingRate != NULL) ? *pSamplingRate : 0;
config.channel_mask = (pChannelMask != NULL) ? *pChannelMask : 0;
config.format = (pFormat != NULL) ? *pFormat : AUDIO_FORMAT_DEFAULT;
- if (offloadInfo) {
+ if (offloadInfo != NULL) {
config.offload_info = *offloadInfo;
}
- audio_stream_out_t *outStream = NULL;
- AudioHwDevice *outHwDev;
-
ALOGV("openOutput(), module %d Device %x, SamplingRate %d, Format %#08x, Channels %x, flags %x",
module,
(pDevices != NULL) ? *pDevices : 0,
@@ -1469,7 +1566,7 @@ audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
config.channel_mask,
flags);
ALOGV("openOutput(), offloadInfo %p version 0x%04x",
- offloadInfo, offloadInfo == NULL ? -1 : offloadInfo->version );
+ offloadInfo, offloadInfo == NULL ? -1 : offloadInfo->version);
if (pDevices == NULL || *pDevices == 0) {
return 0;
@@ -1477,15 +1574,17 @@ audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
Mutex::Autolock _l(mLock);
- outHwDev = findSuitableHwDev_l(module, *pDevices);
- if (outHwDev == NULL)
+ AudioHwDevice *outHwDev = findSuitableHwDev_l(module, *pDevices);
+ if (outHwDev == NULL) {
return 0;
+ }
audio_hw_device_t *hwDevHal = outHwDev->hwDevice();
audio_io_handle_t id = nextUniqueId();
mHardwareStatus = AUDIO_HW_OUTPUT_OPEN;
+ audio_stream_out_t *outStream = NULL;
status_t status = hwDevHal->open_output_stream(hwDevHal,
id,
*pDevices,
@@ -1505,6 +1604,7 @@ audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
if (status == NO_ERROR && outStream != NULL) {
AudioStreamOut *output = new AudioStreamOut(outHwDev, outStream, flags);
+ PlaybackThread *thread;
if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) {
thread = new OffloadThread(this, output, id, *pDevices);
ALOGV("openOutput() created offload output: ID %d thread %p", id, thread);
@@ -1672,18 +1772,15 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
audio_format_t *pFormat,
audio_channel_mask_t *pChannelMask)
{
- status_t status;
- RecordThread *thread = NULL;
struct audio_config config;
+ memset(&config, 0, sizeof(config));
config.sample_rate = (pSamplingRate != NULL) ? *pSamplingRate : 0;
config.channel_mask = (pChannelMask != NULL) ? *pChannelMask : 0;
config.format = (pFormat != NULL) ? *pFormat : AUDIO_FORMAT_DEFAULT;
uint32_t reqSamplingRate = config.sample_rate;
audio_format_t reqFormat = config.format;
- audio_channel_mask_t reqChannels = config.channel_mask;
- audio_stream_in_t *inStream = NULL;
- AudioHwDevice *inHwDev;
+ audio_channel_mask_t reqChannelMask = config.channel_mask;
if (pDevices == NULL || *pDevices == 0) {
return 0;
@@ -1691,16 +1788,18 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
Mutex::Autolock _l(mLock);
- inHwDev = findSuitableHwDev_l(module, *pDevices);
- if (inHwDev == NULL)
+ AudioHwDevice *inHwDev = findSuitableHwDev_l(module, *pDevices);
+ if (inHwDev == NULL) {
return 0;
+ }
audio_hw_device_t *inHwHal = inHwDev->hwDevice();
audio_io_handle_t id = nextUniqueId();
- status = inHwHal->open_input_stream(inHwHal, id, *pDevices, &config,
+ audio_stream_in_t *inStream = NULL;
+ status_t status = inHwHal->open_input_stream(inHwHal, id, *pDevices, &config,
&inStream);
- ALOGV("openInput() openInputStream returned input %p, SamplingRate %d, Format %d, Channels %x, "
+ ALOGV("openInput() openInputStream returned input %p, SamplingRate %d, Format %#x, Channels %x, "
"status %d",
inStream,
config.sample_rate,
@@ -1714,10 +1813,12 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
if (status == BAD_VALUE &&
reqFormat == config.format && config.format == AUDIO_FORMAT_PCM_16_BIT &&
(config.sample_rate <= 2 * reqSamplingRate) &&
- (popcount(config.channel_mask) <= FCC_2) && (popcount(reqChannels) <= FCC_2)) {
+ (popcount(config.channel_mask) <= FCC_2) && (popcount(reqChannelMask) <= FCC_2)) {
+ // FIXME describe the change proposed by HAL (save old values so we can log them here)
ALOGV("openInput() reopening with proposed sampling rate and channel mask");
inStream = NULL;
status = inHwHal->open_input_stream(inHwHal, id, *pDevices, &config, &inStream);
+ // FIXME log this new status; HAL should not propose any further changes
}
if (status == NO_ERROR && inStream != NULL) {
@@ -1735,13 +1836,13 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
popcount(inStream->common.get_channels(&inStream->common)));
if (!mTeeSinkInputEnabled) {
kind = TEE_SINK_NO;
- } else if (format == Format_Invalid) {
+ } else if (!Format_isValid(format)) {
kind = TEE_SINK_NO;
} else if (mRecordTeeSink == 0) {
kind = TEE_SINK_NEW;
} else if (mRecordTeeSink->getStrongCount() != 1) {
kind = TEE_SINK_NO;
- } else if (format == mRecordTeeSink->format()) {
+ } else if (Format_isEqual(format, mRecordTeeSink->format())) {
kind = TEE_SINK_OLD;
} else {
kind = TEE_SINK_NEW;
@@ -1776,10 +1877,8 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
// Start record thread
// RecordThread requires both input and output device indication to forward to audio
// pre processing modules
- thread = new RecordThread(this,
+ RecordThread *thread = new RecordThread(this,
input,
- reqSamplingRate,
- reqChannels,
id,
primaryOutputDevice_l(),
*pDevices
@@ -1796,7 +1895,7 @@ audio_io_handle_t AudioFlinger::openInput(audio_module_handle_t module,
*pFormat = config.format;
}
if (pChannelMask != NULL) {
- *pChannelMask = reqChannels;
+ *pChannelMask = reqChannelMask;
}
// notify client processes of the new input creation
@@ -1860,18 +1959,21 @@ int AudioFlinger::newAudioSessionId()
return nextUniqueId();
}
-void AudioFlinger::acquireAudioSessionId(int audioSession)
+void AudioFlinger::acquireAudioSessionId(int audioSession, pid_t pid)
{
Mutex::Autolock _l(mLock);
pid_t caller = IPCThreadState::self()->getCallingPid();
- ALOGV("acquiring %d from %d", audioSession, caller);
+ ALOGV("acquiring %d from %d, for %d", audioSession, caller, pid);
+ if (pid != -1 && (caller == getpid_cached)) {
+ caller = pid;
+ }
// Ignore requests received from processes not known as notification client. The request
// is likely proxied by mediaserver (e.g CameraService) and releaseAudioSessionId() can be
// called from a different pid leaving a stale session reference. Also we don't know how
// to clear this reference if the client process dies.
if (mNotificationClients.indexOfKey(caller) < 0) {
- ALOGV("acquireAudioSessionId() unknown client %d for session %d", caller, audioSession);
+ ALOGW("acquireAudioSessionId() unknown client %d for session %d", caller, audioSession);
return;
}
@@ -1888,11 +1990,14 @@ void AudioFlinger::acquireAudioSessionId(int audioSession)
ALOGV(" added new entry for %d", audioSession);
}
-void AudioFlinger::releaseAudioSessionId(int audioSession)
+void AudioFlinger::releaseAudioSessionId(int audioSession, pid_t pid)
{
Mutex::Autolock _l(mLock);
pid_t caller = IPCThreadState::self()->getCallingPid();
- ALOGV("releasing %d from %d", audioSession, caller);
+ ALOGV("releasing %d from %d for %d", audioSession, caller, pid);
+ if (pid != -1 && (caller == getpid_cached)) {
+ caller = pid;
+ }
size_t num = mAudioSessionRefs.size();
for (size_t i = 0; i< num; i++) {
AudioSessionRef *ref = mAudioSessionRefs.itemAt(i);
@@ -1954,7 +2059,7 @@ void AudioFlinger::purgeStaleEffects_l() {
}
}
if (!found) {
- Mutex::Autolock _l (t->mLock);
+ Mutex::Autolock _l(t->mLock);
// remove all effects from the chain
while (ec->mEffects.size()) {
sp<EffectModule> effect = ec->mEffects[0];
@@ -2021,7 +2126,7 @@ sp<AudioFlinger::SyncEvent> AudioFlinger::createSyncEvent(AudioSystem::sync_even
int triggerSession,
int listenerSession,
sync_event_callback_t callBack,
- void *cookie)
+ wp<RefBase> cookie)
{
Mutex::Autolock _l(mLock);
@@ -2249,9 +2354,7 @@ sp<IEffect> AudioFlinger::createEffect(
}
Exit:
- if (status != NULL) {
- *status = lStatus;
- }
+ *status = lStatus;
return handle;
}