param.h File Reference

Go to the source code of this file.

Data Structures
struct	spa_param_info
	information about a parameter More...

Macros
#define	SPA_PARAM_INFO_SERIAL   (1<<0)
	bit to signal update even when the read/write flags don't change More...
#define	SPA_PARAM_INFO_READ   (1<<1)
#define	SPA_PARAM_INFO_WRITE   (1<<2)
#define	SPA_PARAM_INFO_READWRITE   (SPA_PARAM_INFO_WRITE|SPA_PARAM_INFO_READ)
#define	SPA_PARAM_INFO(id, flags)   (struct spa_param_info){ (id), (flags) }

Enumerations
enum	spa_param_type {   SPA_PARAM_Invalid, SPA_PARAM_PropInfo, SPA_PARAM_Props, SPA_PARAM_EnumFormat,   SPA_PARAM_Format, SPA_PARAM_Buffers, SPA_PARAM_Meta, SPA_PARAM_IO,   SPA_PARAM_EnumProfile, SPA_PARAM_Profile, SPA_PARAM_EnumPortConfig, SPA_PARAM_PortConfig,   SPA_PARAM_EnumRoute, SPA_PARAM_Route, SPA_PARAM_Control, SPA_PARAM_Latency,   SPA_PARAM_ProcessLatency }
	different parameter types that can be queried More...
enum	spa_param_buffers {   SPA_PARAM_BUFFERS_START, SPA_PARAM_BUFFERS_buffers, SPA_PARAM_BUFFERS_blocks, SPA_PARAM_BUFFERS_size,   SPA_PARAM_BUFFERS_stride, SPA_PARAM_BUFFERS_align, SPA_PARAM_BUFFERS_dataType }
	properties for SPA_TYPE_OBJECT_ParamBuffers More...
enum	spa_param_meta { SPA_PARAM_META_START, SPA_PARAM_META_type, SPA_PARAM_META_size }
	properties for SPA_TYPE_OBJECT_ParamMeta More...
enum	spa_param_io { SPA_PARAM_IO_START, SPA_PARAM_IO_id, SPA_PARAM_IO_size }
	properties for SPA_TYPE_OBJECT_ParamIO More...
enum	spa_param_availability { SPA_PARAM_AVAILABILITY_unknown, SPA_PARAM_AVAILABILITY_no, SPA_PARAM_AVAILABILITY_yes }
enum	spa_param_profile {   SPA_PARAM_PROFILE_START, SPA_PARAM_PROFILE_index, SPA_PARAM_PROFILE_name, SPA_PARAM_PROFILE_description,   SPA_PARAM_PROFILE_priority, SPA_PARAM_PROFILE_available, SPA_PARAM_PROFILE_info, SPA_PARAM_PROFILE_classes,   SPA_PARAM_PROFILE_save }
	properties for SPA_TYPE_OBJECT_ParamProfile More...
enum	spa_param_port_config_mode { SPA_PARAM_PORT_CONFIG_MODE_none, SPA_PARAM_PORT_CONFIG_MODE_passthrough, SPA_PARAM_PORT_CONFIG_MODE_convert, SPA_PARAM_PORT_CONFIG_MODE_dsp }
enum	spa_param_port_config {   SPA_PARAM_PORT_CONFIG_START, SPA_PARAM_PORT_CONFIG_direction, SPA_PARAM_PORT_CONFIG_mode, SPA_PARAM_PORT_CONFIG_monitor,   SPA_PARAM_PORT_CONFIG_control, SPA_PARAM_PORT_CONFIG_format }
	properties for SPA_TYPE_OBJECT_ParamPortConfig More...
enum	spa_param_route {   SPA_PARAM_ROUTE_START, SPA_PARAM_ROUTE_index, SPA_PARAM_ROUTE_direction, SPA_PARAM_ROUTE_device,   SPA_PARAM_ROUTE_name, SPA_PARAM_ROUTE_description, SPA_PARAM_ROUTE_priority, SPA_PARAM_ROUTE_available,   SPA_PARAM_ROUTE_info, SPA_PARAM_ROUTE_profiles, SPA_PARAM_ROUTE_props, SPA_PARAM_ROUTE_devices,   SPA_PARAM_ROUTE_profile, SPA_PARAM_ROUTE_save }
	properties for SPA_TYPE_OBJECT_ParamRoute More...
enum	spa_param_latency {   SPA_PARAM_LATENCY_START, SPA_PARAM_LATENCY_direction, SPA_PARAM_LATENCY_minQuantum, SPA_PARAM_LATENCY_maxQuantum,   SPA_PARAM_LATENCY_minRate, SPA_PARAM_LATENCY_maxRate, SPA_PARAM_LATENCY_minNs, SPA_PARAM_LATENCY_maxNs }
	properties for SPA_TYPE_OBJECT_ParamLatency More...
enum	spa_param_process_latency { SPA_PARAM_PROCESS_LATENCY_START, SPA_PARAM_PROCESS_LATENCY_quantum, SPA_PARAM_PROCESS_LATENCY_rate, SPA_PARAM_PROCESS_LATENCY_ns }
	properties for SPA_TYPE_OBJECT_ParamProcessLatency More...

Macro Definition Documentation

SPA_PARAM_INFO_READ

#define SPA_PARAM_INFO_READ   (1<<1)

SPA_PARAM_INFO_READWRITE

#define SPA_PARAM_INFO_READWRITE   (SPA_PARAM_INFO_WRITE|SPA_PARAM_INFO_READ)

SPA_PARAM_INFO_SERIAL

#define SPA_PARAM_INFO_SERIAL   (1<<0)

bit to signal update even when the read/write flags don't change

SPA_PARAM_INFO_WRITE

#define SPA_PARAM_INFO_WRITE   (1<<2)