diff options
Diffstat (limited to 'services/audioflinger/AudioFlinger.h')
| -rw-r--r-- | services/audioflinger/AudioFlinger.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h index 753314f..1003017 100644 --- a/services/audioflinger/AudioFlinger.h +++ b/services/audioflinger/AudioFlinger.h @@ -569,6 +569,23 @@ private: bool isNonOffloadableGlobalEffectEnabled_l(); void onNonOffloadableGlobalEffectEnable(); + // Store an effect chain to mOrphanEffectChains keyed vector. + // Called when a thread exits and effects are still attached to it. + // If effects are later created on the same session, they will reuse the same + // effect chain and same instances in the effect library. + // return ALREADY_EXISTS if a chain with the same session already exists in + // mOrphanEffectChains. Note that this should never happen as there is only one + // chain for a given session and it is attached to only one thread at a time. + status_t putOrphanEffectChain_l(const sp<EffectChain>& chain); + // Get an effect chain for the specified session in mOrphanEffectChains and remove + // it if found. Returns 0 if not found (this is the most common case). + sp<EffectChain> getOrphanEffectChain_l(audio_session_t session); + // Called when the last effect handle on an effect instance is removed. If this + // effect belongs to an effect chain in mOrphanEffectChains, the chain is updated + // and removed from mOrphanEffectChains if it does not contain any effect. + // Return true if the effect was found in mOrphanEffectChains, false otherwise. + bool updateOrphanEffectChains(const sp<EffectModule>& effect); + class AudioHwDevice { public: enum Flags { @@ -713,6 +730,9 @@ private: Vector < sp<SyncEvent> > mPendingSyncEvents; // sync events awaiting for a session // to be created + // Effect chains without a valid thread + DefaultKeyedVector< audio_session_t , sp<EffectChain> > mOrphanEffectChains; + private: sp<Client> registerPid(pid_t pid); // always returns non-0 |