Struct libpulse_binding::context::introspect::SourceInfo

#[repr(C)]
pub struct SourceInfo {
    pub name: *const c_char,
    pub index: u32,
    pub description: *const c_char,
    pub sample_spec: Spec,
    pub channel_map: Map,
    pub owner_module: u32,
    pub volume: CVolume,
    pub mute: i32,
    pub monitor_of_sink: u32,
    pub monitor_of_sink_name: *const c_char,
    pub latency: Usecs,
    pub driver: *const c_char,
    pub flags: SourceFlagSet,
    pub proplist: *mut ProplistInternal,
    pub configured_latency: Usecs,
    pub base_volume: Volume,
    pub state: SourceState,
    pub n_volume_steps: u32,
    pub card: u32,
    pub n_ports: u32,
    pub ports: *mut *mut SourcePortInfo,
    pub active_port: *mut SourcePortInfo,
    pub n_formats: u8,
    pub formats: *mut *mut InfoInternal,
}

Stores information about sources.

Please note that this structure can be extended as part of evolutionary API updates at any time in any new release.

Fields

name: *const c_char

Name of the source.

index: u32

Index of the source.

description: *const c_char

Description of this source.

sample_spec: Spec

Sample spec of this source.

channel_map: Map

Channel map.

owner_module: u32

Owning module index, or ::def::INVALID_INDEX.

volume: CVolume

Volume of the source.

mute: i32

Mute switch of the sink.

monitor_of_sink: u32

If this is a monitor source, the index of the owning sink, otherwise ::def::INVALID_INDEX.

monitor_of_sink_name: *const c_char

Name of the owning sink, or NULL.

latency: Usecs

Length of filled record buffer of this source.

driver: *const c_char

Driver name.

flags: SourceFlagSet

Flags.

proplist: *mut ProplistInternal

Property list.

configured_latency: Usecs

The latency this device has been configured to.

base_volume: Volume

Some kind of "base" volume that refers to unamplified/unattenuated volume in the context of the input device.

state: SourceState

State.

n_volume_steps: u32

Number of volume steps for sources which do not support arbitrary volumes.

card: u32

Card index, or ::def::INVALID_INDEX

n_ports: u32

Number of entries in port array.

ports: *mut *mut SourcePortInfo

Array of available ports, or NULL. Array is terminated by an entry set to NULL. The number of entries is stored in n_ports.

active_port: *mut SourcePortInfo

Pointer to active port in the array, or NULL.

n_formats: u8

Number of formats supported by the source.

formats: *mut *mut InfoInternal

Array of formats supported by the source.