Struct alsa::pcm::HwParams

pub struct HwParams<'a>(/* private fields */);

snd_pcm_hw_params_t wrapper

Implementations

impl<'a> HwParams<'a>

pub fn any(a: &'a PCM) -> Result<HwParams<'a>>

pub fn get_rate_resample(&self) -> Result<bool>

pub fn set_rate_resample(&self, resample: bool) -> Result<()>

pub fn set_channels_near(&self, v: u32) -> Result<u32>

pub fn set_channels(&self, v: u32) -> Result<()>

pub fn get_channels(&self) -> Result<u32>

pub fn get_channels_max(&self) -> Result<u32>

pub fn get_channels_min(&self) -> Result<u32>

pub fn test_channels(&self, v: u32) -> Result<()>

pub fn set_rate_near(&self, v: u32, dir: ValueOr) -> Result<u32>

pub fn set_rate(&self, v: u32, dir: ValueOr) -> Result<()>

pub fn get_rate(&self) -> Result<u32>

pub fn get_rate_max(&self) -> Result<u32>

pub fn get_rate_min(&self) -> Result<u32>

pub fn test_rate(&self, rate: u32) -> Result<()>

pub fn set_format(&self, v: Format) -> Result<()>

pub fn get_format(&self) -> Result<Format>

pub fn test_format(&self, v: Format) -> Result<()>

pub fn set_access(&self, v: Access) -> Result<()>

pub fn get_access(&self) -> Result<Access>

pub fn set_period_size_near(&self, v: Frames, dir: ValueOr) -> Result<Frames>

pub fn set_period_size(&self, v: Frames, dir: ValueOr) -> Result<()>

pub fn set_period_time_near(&self, v: u32, dir: ValueOr) -> Result<u32>

pub fn get_period_size(&self) -> Result<Frames>

pub fn get_period_size_min(&self) -> Result<Frames>

pub fn get_period_size_max(&self) -> Result<Frames>

pub fn set_periods(&self, v: u32, dir: ValueOr) -> Result<()>

pub fn get_periods(&self) -> Result<u32>

pub fn set_buffer_size_near(&self, v: Frames) -> Result<Frames>

pub fn set_buffer_size_max(&self, v: Frames) -> Result<Frames>

pub fn set_buffer_size_min(&self, v: Frames) -> Result<Frames>

pub fn set_buffer_size(&self, v: Frames) -> Result<()>

pub fn set_buffer_time_near(&self, v: u32, dir: ValueOr) -> Result<u32>

pub fn get_buffer_size(&self) -> Result<Frames>

pub fn get_buffer_size_min(&self) -> Result<Frames>

pub fn get_buffer_size_max(&self) -> Result<Frames>

pub fn get_buffer_time_min(&self) -> Result<u32>

pub fn get_buffer_time_max(&self) -> Result<u32>

pub fn can_pause(&self) -> bool

Returns true if the alsa stream can be paused, false if not.

This function should only be called when the configuration space contains a single configuration. Call PCM::hw_params to choose a single configuration from the configuration space.

pub fn can_resume(&self) -> bool

Returns true if the alsa stream can be resumed, false if not.

This function should only be called when the configuration space contains a single configuration. Call PCM::hw_params to choose a single configuration from the configuration space.

pub fn supports_audio_ts_type(&self, type_: AudioTstampType) -> bool

Returns true if the alsa stream supports the provided AudioTstampType, false if not.

This function should only be called when the configuration space contains a single configuration. Call PCM::hw_params to choose a single configuration from the configuration space.

pub fn dump(&self, o: &mut Output) -> Result<()>

pub fn copy_from(&mut self, other: &HwParams<'a>)

Trait Implementations

impl<'a> Clone for HwParams<'a>

fn clone(&self) -> HwParams<'a>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for HwParams<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> Drop for HwParams<'a>

fn drop(&mut self)

Executes the destructor for this type.