mirror of
https://github.com/AndroidAudioMods/ViPERFX_RE.git
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essential.h: Revert effect->viper rename
This was done on accident when refactoring some variable names
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@ -22,27 +22,27 @@ static const effect_uuid_t * const EFFECT_UUID_NULL = &EFFECT_UUID_NULL_;
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static const char * const EFFECT_UUID_NULL_STR = "ec7178ec-e5e1-4432-a3f4-4657e6795210";
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// The viper descriptor contains necessary information to facilitate the enumeration of the viper
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// The effect descriptor contains necessary information to facilitate the enumeration of the effect
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// engines present in a library.
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typedef struct effect_descriptor_s
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{
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effect_uuid_t type; // UUID of to the OpenSL ES interface implemented by this viper
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effect_uuid_t type; // UUID of to the OpenSL ES interface implemented by this effect
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effect_uuid_t uuid; // UUID for this particular implementation
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uint32_t apiVersion; // Version of the viper control API implemented
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uint32_t flags; // viper engine capabilities/requirements flags (see below)
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uint32_t apiVersion; // Version of the effect control API implemented
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uint32_t flags; // effect engine capabilities/requirements flags (see below)
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uint16_t cpuLoad; // CPU load indication (see below)
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uint16_t memoryUsage; // Data Memory usage (see below)
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char name[EFFECT_STRING_LEN_MAX]; // human readable viper name
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char implementor[EFFECT_STRING_LEN_MAX]; // human readable viper implementor name
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char name[EFFECT_STRING_LEN_MAX]; // human readable effect name
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char implementor[EFFECT_STRING_LEN_MAX]; // human readable effect implementor name
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} effect_descriptor_t;
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// CPU load and memory usage indication: each viper implementation must provide an indication of
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// its CPU and memory usage for the audio viper framework to limit the number of effects
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// CPU load and memory usage indication: each effect implementation must provide an indication of
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// its CPU and memory usage for the audio effect framework to limit the number of effects
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// instantiated at a given time on a given platform.
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// The CPU load is expressed in 0.1 MIPS units as estimated on an ARM9E core (ARMv5TE) with 0 WS.
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// The memory usage is expressed in KB and includes only dynamically allocated memory
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// Definitions for flags field of viper descriptor.
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// Definitions for flags field of effect descriptor.
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// +---------------------------+-----------+-----------------------------------
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// | description | bits | values
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// +---------------------------+-----------+-----------------------------------
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@ -58,7 +58,7 @@ typedef struct effect_descriptor_s
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// | insertion preference | 3..5 | 0 none
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// | | | 1 first of the chain
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// | | | 2 last of the chain
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// | | | 3 exclusive (only viper in the insert chain)
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// | | | 3 exclusive (only effect in the insert chain)
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// | | | 4..7 reserved
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// +---------------------------+-----------+-----------------------------------
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// | Volume management | 6..8 | 0 none
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@ -89,11 +89,11 @@ typedef struct effect_descriptor_s
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// | Hardware acceleration | 16..17 | 0 No hardware acceleration
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// | | | 1 non tunneled hw acceleration: the process() function
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// | | | reads the samples, send them to HW accelerated
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// | | | viper processor, reads back the processed samples
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// | | | effect processor, reads back the processed samples
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// | | | and returns them to the output buffer.
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// | | | 2 tunneled hw acceleration: the process() function is
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// | | | transparent. The viper interface is only used to
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// | | | control the viper engine. This mode is relevant for
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// | | | transparent. The effect interface is only used to
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// | | | control the effect engine. This mode is relevant for
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// | | | global effects actually applied by the audio
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// | | | hardware on the output stream.
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// +---------------------------+-----------+-----------------------------------
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@ -105,8 +105,8 @@ typedef struct effect_descriptor_s
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// | | | 1 requires audio source updates
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// | | | 2..3 reserved
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// +---------------------------+-----------+-----------------------------------
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// | Effect offload supported | 22 | 0 The viper cannot be offloaded to an audio DSP
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// | | | 1 The viper can be offloaded to an audio DSP
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// | Effect offload supported | 22 | 0 The effect cannot be offloaded to an audio DSP
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// | | | 1 The effect can be offloaded to an audio DSP
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// +---------------------------+-----------+-----------------------------------
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// Insert mode
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@ -212,16 +212,16 @@ typedef struct effect_descriptor_s
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#define EFFECT_CONTROL_API_VERSION EFFECT_MAKE_API_VERSION(2,0)
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// Effect control interface structure: effect_interface_s
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// The viper control interface is exposed by each viper engine implementation. It consists of
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// The effect control interface is exposed by each effect engine implementation. It consists of
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// a set of functions controlling the configuration, activation and process of the engine.
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// The functions are grouped in a structure of type effect_interface_s.
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//
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// Effect control interface handle: effect_handle_t
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// The effect_handle_t serves two purposes regarding the implementation of the viper engine:
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// The effect_handle_t serves two purposes regarding the implementation of the effect engine:
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// - 1 it is the address of a pointer to an effect_interface_s structure where the functions
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// of the viper control API for a particular viper are located.
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// - 2 it is the address of the context of a particular viper instance.
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// A typical implementation in the viper library would define a structure as follows:
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// of the effect control API for a particular effect are located.
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// - 2 it is the address of the context of a particular effect instance.
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// A typical implementation in the effect library would define a structure as follows:
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// struct effect_module_s {
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// const struct effect_interface_s *itfe;
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// effect_config_t config;
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@ -247,9 +247,9 @@ struct effect_interface_s
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// samples as specified in output buffer descriptor. If the buffer descriptor
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// is not specified the function must use either the buffer or the
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// buffer provider function installed by the EFFECT_CMD_SET_CONFIG command.
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// The viper framework will call the process() function after the EFFECT_CMD_ENABLE
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// The effect framework will call the process() function after the EFFECT_CMD_ENABLE
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// command is received and until the EFFECT_CMD_DISABLE is received. When the engine
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// receives the EFFECT_CMD_DISABLE command it should turn off the viper gracefully
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// receives the EFFECT_CMD_DISABLE command it should turn off the effect gracefully
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// and when done indicate that it is OK to stop calling the process() function by
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// returning the -ENODATA status.
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//
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@ -258,7 +258,7 @@ struct effect_interface_s
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// pthread_cond_wait/pthread_mutex_lock...
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//
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// Input:
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// self: handle to the viper interface this function
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// self: handle to the effect interface this function
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// is called on.
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// inBuffer: buffer descriptor indicating where to read samples to process.
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// If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG command.
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@ -280,10 +280,10 @@ struct effect_interface_s
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//
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// Function: command
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//
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// Description: Send a command and receive a response to/from viper engine.
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// Description: Send a command and receive a response to/from effect engine.
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//
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// Input:
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// self: handle to the viper interface this function
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// self: handle to the effect interface this function
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// is called on.
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// cmdCode: command code: the command can be a standardized command defined in
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// effect_command_e (see below) or a proprietary command.
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@ -316,19 +316,19 @@ struct effect_interface_s
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//
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// Function: get_descriptor
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//
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// Description: Returns the viper descriptor
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// Description: Returns the effect descriptor
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//
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// Input:
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// self: handle to the viper interface this function
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// self: handle to the effect interface this function
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// is called on.
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//
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// Input/Output:
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// pDescriptor: address where to return the viper descriptor.
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// pDescriptor: address where to return the effect descriptor.
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//
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// Output:
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// returned value: 0 successful operation.
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// -EINVAL invalid interface handle or invalid pDescriptor
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// *pDescriptor: updated with the viper descriptor.
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// *pDescriptor: updated with the effect descriptor.
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//
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////////////////////////////////////////////////////////////////////////////////
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int32_t (*get_descriptor)(effect_handle_t self,
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@ -338,12 +338,12 @@ struct effect_interface_s
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// Function: process_reverse
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//
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// Description: Process reverse stream function. This function is used to pass
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// a reference stream to the viper engine. If the engine does not need a reference
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// a reference stream to the effect engine. If the engine does not need a reference
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// stream, this function pointer can be set to NULL.
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// This function would typically implemented by an Echo Canceler.
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//
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// Input:
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// self: handle to the viper interface this function
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// self: handle to the effect interface this function
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// is called on.
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// inBuffer: buffer descriptor indicating where to read samples to process.
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// If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG_REVERSE command.
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@ -371,11 +371,11 @@ struct effect_interface_s
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//
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enum effect_command_e
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{
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EFFECT_CMD_INIT, // initialize viper engine
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EFFECT_CMD_SET_CONFIG, // configure viper engine (see effect_config_t)
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EFFECT_CMD_RESET, // reset viper engine
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EFFECT_CMD_ENABLE, // enable viper process
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EFFECT_CMD_DISABLE, // disable viper process
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EFFECT_CMD_INIT, // initialize effect engine
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EFFECT_CMD_SET_CONFIG, // configure effect engine (see effect_config_t)
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EFFECT_CMD_RESET, // reset effect engine
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EFFECT_CMD_ENABLE, // enable effect process
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EFFECT_CMD_DISABLE, // disable effect process
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EFFECT_CMD_SET_PARAM, // set parameter immediately (see effect_param_t)
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EFFECT_CMD_SET_PARAM_DEFERRED, // set parameter deferred
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EFFECT_CMD_SET_PARAM_COMMIT, // commit previous set parameter deferred
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@ -383,16 +383,16 @@ enum effect_command_e
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EFFECT_CMD_SET_DEVICE, // set audio device (see audio.h, audio_devices_t)
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EFFECT_CMD_SET_VOLUME, // set volume
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EFFECT_CMD_SET_AUDIO_MODE, // set the audio mode (normal, ring, ...)
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EFFECT_CMD_SET_CONFIG_REVERSE, // configure viper engine reverse stream(see effect_config_t)
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EFFECT_CMD_SET_CONFIG_REVERSE, // configure effect engine reverse stream(see effect_config_t)
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EFFECT_CMD_SET_INPUT_DEVICE, // set capture device (see audio.h, audio_devices_t)
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EFFECT_CMD_GET_CONFIG, // read viper engine configuration
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EFFECT_CMD_GET_CONFIG_REVERSE, // read configure viper engine reverse stream configuration
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EFFECT_CMD_GET_CONFIG, // read effect engine configuration
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EFFECT_CMD_GET_CONFIG_REVERSE, // read configure effect engine reverse stream configuration
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EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS,// get all supported configurations for a feature.
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EFFECT_CMD_GET_FEATURE_CONFIG, // get current feature configuration
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EFFECT_CMD_SET_FEATURE_CONFIG, // set current feature configuration
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EFFECT_CMD_SET_AUDIO_SOURCE, // set the audio source (see audio.h, audio_source_t)
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EFFECT_CMD_OFFLOAD, // set if viper thread is an offload one,
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// send the ioHandle of the viper thread
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EFFECT_CMD_OFFLOAD, // set if effect thread is an offload one,
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// send the ioHandle of the effect thread
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EFFECT_CMD_FIRST_PROPRIETARY = 0x10000 // first proprietary command code
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};
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@ -400,7 +400,7 @@ enum effect_command_e
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// command: EFFECT_CMD_INIT
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//--------------------------------------------------------------------------------------------------
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// description:
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// Initialize viper engine: All configurations return to default
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// Initialize effect engine: All configurations return to default
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//--------------------------------------------------------------------------------------------------
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// command format:
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// size: 0
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@ -426,7 +426,7 @@ enum effect_command_e
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// command: EFFECT_CMD_RESET
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//--------------------------------------------------------------------------------------------------
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// description:
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// Reset the viper engine. Keep configuration but resets state and buffer content
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// Reset the effect engine. Keep configuration but resets state and buffer content
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//--------------------------------------------------------------------------------------------------
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// command format:
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// size: 0
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@ -519,7 +519,7 @@ enum effect_command_e
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// description:
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// Set the rendering device the audio output path is connected to. See audio.h, audio_devices_t
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// for device values.
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// The viper implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this
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// The effect implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this
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// command when the device changes
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//--------------------------------------------------------------------------------------------------
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// command format:
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@ -533,12 +533,12 @@ enum effect_command_e
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// command: EFFECT_CMD_SET_VOLUME
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//--------------------------------------------------------------------------------------------------
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// description:
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// Set and get volume. Used by audio framework to delegate volume control to viper engine.
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// The viper implementation must set EFFECT_FLAG_VOLUME_IND or EFFECT_FLAG_VOLUME_CTRL flag in
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// Set and get volume. Used by audio framework to delegate volume control to effect engine.
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// The effect implementation must set EFFECT_FLAG_VOLUME_IND or EFFECT_FLAG_VOLUME_CTRL flag in
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// its descriptor to receive this command before every call to process() function
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// If EFFECT_FLAG_VOLUME_CTRL flag is set in the viper descriptor, the viper engine must return
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// the volume that should be applied before the viper is processed. The overall volume (the volume
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// actually applied by the viper engine multiplied by the returned value) should match the value
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// If EFFECT_FLAG_VOLUME_CTRL flag is set in the effect descriptor, the effect engine must return
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// the volume that should be applied before the effect is processed. The overall volume (the volume
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// actually applied by the effect engine multiplied by the returned value) should match the value
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// indicated in the command.
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//--------------------------------------------------------------------------------------------------
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// command format:
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@ -548,18 +548,18 @@ enum effect_command_e
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//--------------------------------------------------------------------------------------------------
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// reply format:
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// size: n * sizeof(uint32_t) / 0
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// data: - if EFFECT_FLAG_VOLUME_CTRL is set in viper descriptor:
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// data: - if EFFECT_FLAG_VOLUME_CTRL is set in effect descriptor:
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// volume for each channel defined in effect_config_t for output buffer expressed in
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// 8.24 fixed point format
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// - if EFFECT_FLAG_VOLUME_CTRL is not set in viper descriptor:
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// - if EFFECT_FLAG_VOLUME_CTRL is not set in effect descriptor:
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// N/A
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// It is legal to receive a null pointer as pReplyData in which case the viper framework has
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// delegated volume control to another viper
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// It is legal to receive a null pointer as pReplyData in which case the effect framework has
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// delegated volume control to another effect
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//==================================================================================================
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// command: EFFECT_CMD_SET_AUDIO_MODE
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//--------------------------------------------------------------------------------------------------
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// description:
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// Set the audio mode. The viper implementation must set EFFECT_FLAG_AUDIO_MODE_IND flag in its
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// Set the audio mode. The effect implementation must set EFFECT_FLAG_AUDIO_MODE_IND flag in its
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// descriptor to receive this command when the audio mode changes.
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//--------------------------------------------------------------------------------------------------
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// command format:
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@ -589,7 +589,7 @@ enum effect_command_e
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// description:
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// Set the capture device the audio input path is connected to. See audio.h, audio_devices_t
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// for device values.
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// The viper implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this
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// The effect implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this
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// command when the device changes
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//--------------------------------------------------------------------------------------------------
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// command format:
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@ -702,8 +702,8 @@ enum effect_command_e
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// command: EFFECT_CMD_OFFLOAD
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//--------------------------------------------------------------------------------------------------
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// description:
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// 1.indicate if the playback thread the viper is attached to is offloaded or not
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// 2.update the io handle of the playback thread the viper is attached to
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// 1.indicate if the playback thread the effect is attached to is offloaded or not
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// 2.update the io handle of the playback thread the effect is attached to
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//--------------------------------------------------------------------------------------------------
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// command format:
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// size: sizeof(effect_offload_param_t)
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@ -716,7 +716,7 @@ enum effect_command_e
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// command: EFFECT_CMD_FIRST_PROPRIETARY
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//--------------------------------------------------------------------------------------------------
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// description:
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// All proprietary viper commands must use command codes above this value. The size and format of
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// All proprietary effect commands must use command codes above this value. The size and format of
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// command and response fields is free in this case
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//==================================================================================================
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@ -749,7 +749,7 @@ typedef struct buffer_provider_s
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// The buffer_config_s structure specifies the input or output audio format
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// to be used by the viper engine. It is part of the effect_config_t
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// to be used by the effect engine. It is part of the effect_config_t
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// structure that defines both input and output buffer configurations and is
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// passed by the EFFECT_CMD_SET_CONFIG or EFFECT_CMD_SET_CONFIG_REVERSE command.
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typedef struct buffer_config_s
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@ -771,7 +771,7 @@ typedef enum
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EFFECT_BUFFER_ACCESS_ACCUMULATE
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} effect_buffer_access_e;
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// effect_config_s structure describes the format of the pCmdData argument of EFFECT_CMD_SET_CONFIG
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// command to configure audio parameters and buffers for viper engine input and output.
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// command to configure audio parameters and buffers for effect engine input and output.
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typedef struct effect_config_s
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{
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buffer_config_t inputCfg;
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@ -820,14 +820,14 @@ typedef struct effect_param_s
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#define AUDIO_EFFECT_LIBRARY_TAG ((('A') << 24) | (('E') << 16) | (('L') << 8) | ('T'))
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// Every viper library must have a data structure named AUDIO_EFFECT_LIBRARY_INFO_SYM
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// Every effect library must have a data structure named AUDIO_EFFECT_LIBRARY_INFO_SYM
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// and the fields of this data structure must begin with audio_effect_library_t
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typedef struct audio_effect_library_s
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{
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// tag must be initialized to AUDIO_EFFECT_LIBRARY_TAG
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uint32_t tag;
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// Version of the viper library API : 0xMMMMmmmm MMMM: Major, mmmm: minor
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// Version of the effect library API : 0xMMMMmmmm MMMM: Major, mmmm: minor
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uint32_t version;
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// Name of this library
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const char *name;
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@ -838,29 +838,29 @@ typedef struct audio_effect_library_s
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//
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// Function: create_effect
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//
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// Description: Creates an viper engine of the specified implementation uuid and
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// returns an viper control interface on this engine. The function will allocate the
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// resources for an instance of the requested viper engine and return
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// a handle on the viper control interface.
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// Description: Creates an effect engine of the specified implementation uuid and
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// returns an effect control interface on this engine. The function will allocate the
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// resources for an instance of the requested effect engine and return
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// a handle on the effect control interface.
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//
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// Input:
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// uuid: pointer to the viper uuid.
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// sessionId: audio session to which this viper instance will be attached. All effects
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// uuid: pointer to the effect uuid.
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// sessionId: audio session to which this effect instance will be attached. All effects
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// created with the same session ID are connected in series and process the same signal
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// stream. Knowing that two effects are part of the same viper chain can help the
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// stream. Knowing that two effects are part of the same effect chain can help the
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// library implement some kind of optimizations.
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// ioId: identifies the output or input stream this viper is directed to at audio HAL.
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// ioId: identifies the output or input stream this effect is directed to at audio HAL.
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// For future use especially with tunneled HW accelerated effects
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//
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// Input/Output:
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// pHandle: address where to return the viper interface handle.
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// pHandle: address where to return the effect interface handle.
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//
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// Output:
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// returned value: 0 successful operation.
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// -ENODEV library failed to initialize
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// -EINVAL invalid pEffectUuid or pHandle
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// -ENOENT no viper with this uuid found
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// *pHandle: updated with the viper interface handle.
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// -ENOENT no effect with this uuid found
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// *pHandle: updated with the effect interface handle.
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//
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////////////////////////////////////////////////////////////////////////////////
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int32_t (*create_effect)(const effect_uuid_t *uuid,
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@ -872,12 +872,12 @@ typedef struct audio_effect_library_s
|
||||
//
|
||||
// Function: release_effect
|
||||
//
|
||||
// Description: Releases the viper engine whose handle is given as argument.
|
||||
// All resources allocated to this particular instance of the viper are
|
||||
// Description: Releases the effect engine whose handle is given as argument.
|
||||
// All resources allocated to this particular instance of the effect are
|
||||
// released.
|
||||
//
|
||||
// Input:
|
||||
// handle: handle on the viper interface to be released.
|
||||
// handle: handle on the effect interface to be released.
|
||||
//
|
||||
// Output:
|
||||
// returned value: 0 successful operation.
|
||||
@ -891,18 +891,18 @@ typedef struct audio_effect_library_s
|
||||
//
|
||||
// Function: get_descriptor
|
||||
//
|
||||
// Description: Returns the descriptor of the viper engine which implementation UUID is
|
||||
// Description: Returns the descriptor of the effect engine which implementation UUID is
|
||||
// given as argument.
|
||||
//
|
||||
// Input/Output:
|
||||
// uuid: pointer to the viper uuid.
|
||||
// pDescriptor: address where to return the viper descriptor.
|
||||
// uuid: pointer to the effect uuid.
|
||||
// pDescriptor: address where to return the effect descriptor.
|
||||
//
|
||||
// Output:
|
||||
// returned value: 0 successful operation.
|
||||
// -ENODEV library failed to initialize
|
||||
// -EINVAL invalid pDescriptor or uuid
|
||||
// *pDescriptor: updated with the viper descriptor.
|
||||
// *pDescriptor: updated with the effect descriptor.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
int32_t (*get_descriptor)(const effect_uuid_t *uuid,
|
||||
|
Loading…
Reference in New Issue
Block a user