Cross Reference: /frameworks/av/media/libaudioclient/include/media/AudioEffect.h

Lines Matching defs:effect
65      *      NO_INIT    effect library failed to initialize
74      * Returns an effect descriptor during effect
78      *      index:      index of the queried effect.
79      *      descriptor: address where the effect descriptor should be returned.
84      *      NO_INIT         effect library failed to initialize
86      *      INVALID_OPERATION  effect list has changed since last execution of queryNumberEffects()
89      *   *descriptor:     updated with effect descriptor
95      * Returns the descriptor for the specified effect uuid.
98      *      uuid:       pointer to effect uuid.
99      *      descriptor: address where the effect descriptor should be returned.
104      *      NO_INIT         effect library failed to initialize
106      *      NAME_NOT_FOUND  no effect with this uuid found
109      *   *descriptor updated with effect descriptor
121      *      descriptors: address where the effect descriptors should be returned.
131      *      NO_INIT         effect library failed to initialize
156     /* Callback function notifying client application of a change in effect engine state or
158      * An effect engine can be shared by several applications but only one has the control
161      * retrieves the control of the effect engine. Loss of control happens
163      * the same effect type but with a higher priority. Control is returned when the
166      * control of the effect engine when the effect is enabled or disabled.
168      * control of the effect engine when an effect parameter is changed.
178      *  - EVENT_ENABLE_STATUS_CHANGED: boolean indicating if effect is now enabled (true)
188      * AudioEffect is the base class for creating and controlling an effect engine from
189      * the application process. Creating an AudioEffect object will create the effect engine
192      * Reverb for instance) will either receive control of the effect engine or not, depending
194      * effect engine owner, the control will be transfered to the new application. Otherwise
196      * notified of changes in effect engine state or control ownership by the effect callback.
198      * check the creation status before trying to control the effect engine (see initCheck()).
199      * If the effect is to be applied to an AudioTrack or MediaPlayer only the application
216      * type:  type of effect created: can be null if uuid is specified. This corresponds to
217      *        the OpenSL ES interface implemented by this effect.
219      * uuid:  Uuid of effect created: can be null if type is specified. This uuid corresponds to
220      *        a particular implementation of an effect type.
221      * priority:    requested priority for effect control: the priority level corresponds to the
226      * sessionID:   audio session this effect is associated to.
227      *      If equal to AUDIO_SESSION_OUTPUT_MIX, the effect will be global to
228      *      the output mix.  Otherwise, the effect will be applied to all players
230      * io:  HAL audio output or input stream to which this effect must be attached. Leave at 0 for
258      * The effect engine is also destroyed if this AudioEffect was the last controlling
282      *  - NO_ERROR:    the effect engine is successfully created and the application has control.
283      *  - ALREADY_EXISTS: the effect engine is successfully created but the application does not
285      *  - NO_INIT:     the effect creation failed.
291     /* Returns the unique effect Id for the controlled effect engine. This ID is unique
293      * the effect to an AudioTrack or MediaPlayer.
298     /* Returns a descriptor for the effect (see effect_descriptor_t in audio_effect.h).
302     /* Returns effect control priority of this AudioEffect object.
307     /* Enables or disables the effect engine.
314      *  - INVALID_OPERATION: the application does not have control of the effect engine or the
315      *  effect is already in the requested state.
327      *  - INVALID_OPERATION: the application does not have control of the effect engine.
329      *  - DEAD_OBJECT: the effect engine has been deleted.
344      *  - INVALID_OPERATION: the application does not have control of the effect engine.
360       *  - DEAD_OBJECT: the effect engine has been deleted.
374      *  - DEAD_OBJECT: the effect engine has been deleted.
378      /* Sends a command and receives a response to/from effect engine.
379       *     See audio_effect.h for details on effect command() function, valid command codes
409      int32_t                 mPriority;          // priority for effect control
410      status_t                mStatus;            // effect status
414      effect_descriptor_t     mDescriptor;        // effect descriptor
415      int32_t                 mId;                // system wide unique effect engine instance ID
437         EffectClient(AudioEffect *effect) : mEffect(effect){}
441             sp<AudioEffect> effect = mEffect.promote();
442             if (effect != 0) {
443                 effect->controlStatusChanged(controlGranted);
447             sp<AudioEffect> effect = mEffect.promote();
448             if (effect != 0) {
449                 effect->enableStatusChanged(enabled);
457             sp<AudioEffect> effect = mEffect.promote();
458             if (effect != 0) {
459                 effect->commandExecuted(
466             sp<AudioEffect> effect = mEffect.promote();
467             if (effect != 0) {
468                 effect->binderDied();