diff options
Diffstat (limited to 'services/audioflinger/AudioFlinger.cpp')
-rw-r--r-- | services/audioflinger/AudioFlinger.cpp | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp index 4a7ddfd..fc98891 100644 --- a/services/audioflinger/AudioFlinger.cpp +++ b/services/audioflinger/AudioFlinger.cpp @@ -98,6 +98,11 @@ size_t AudioFlinger::mTeeSinkOutputFrames = kTeeSinkOutputFramesDefault; size_t AudioFlinger::mTeeSinkTrackFrames = kTeeSinkTrackFramesDefault; #endif +//TODO: remove when effect offload is implemented +// In order to avoid invalidating offloaded tracks each time a Visualizer is turned on and off +// we define a minimum time during which a global effect is considered enabled. +static const nsecs_t kMinGlobalEffectEnabletimeNs = seconds(7200); + // ---------------------------------------------------------------------------- static int load_audio_interface(const char *if_name, audio_hw_device_t **dev) @@ -141,7 +146,8 @@ AudioFlinger::AudioFlinger() mMode(AUDIO_MODE_INVALID), mBtNrecIsOff(false), mIsLowRamDevice(true), - mIsDeviceTypeKnown(false) + mIsDeviceTypeKnown(false), + mGlobalEffectEnableTime(0) { getpid_cached = getpid(); char value[PROPERTY_VALUE_MAX]; @@ -2314,6 +2320,38 @@ status_t AudioFlinger::moveEffectChain_l(int sessionId, return NO_ERROR; } +bool AudioFlinger::isGlobalEffectEnabled_l() +{ + if (mGlobalEffectEnableTime != 0 && + ((systemTime() - mGlobalEffectEnableTime) < kMinGlobalEffectEnabletimeNs)) { + return true; + } + + for (size_t i = 0; i < mPlaybackThreads.size(); i++) { + sp<EffectChain> ec = + mPlaybackThreads.valueAt(i)->getEffectChain_l(AUDIO_SESSION_OUTPUT_MIX); + if (ec != 0 && ec->isEnabled()) { + return true; + } + } + return false; +} + +void AudioFlinger::onGlobalEffectEnable() +{ + Mutex::Autolock _l(mLock); + + mGlobalEffectEnableTime = systemTime(); + + for (size_t i = 0; i < mPlaybackThreads.size(); i++) { + sp<PlaybackThread> t = mPlaybackThreads.valueAt(i); + if (t->mType == ThreadBase::OFFLOAD) { + t->invalidateTracks(AUDIO_STREAM_MUSIC); + } + } + +} + struct Entry { #define MAX_NAME 32 // %Y%m%d%H%M%S_%d.wav char mName[MAX_NAME]; |