[−][src]Struct gstreamer_audio::AudioInfo
Information describing audio properties. This information can be filled
in from GstCaps with AudioInfo::from_caps
.
Use the provided macros to access the info in this structure.
Methods
impl AudioInfo
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pub fn new<'a>(
format: AudioFormat,
rate: u32,
channels: u32
) -> AudioInfoBuilder<'a>
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format: AudioFormat,
rate: u32,
channels: u32
) -> AudioInfoBuilder<'a>
Allocate a new AudioInfo
that is also initialized with
AudioInfo::init
.
Returns
a new AudioInfo
. free with AudioInfo::free
.
pub fn from_caps(caps: &CapsRef) -> Result<AudioInfo, BoolError>
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pub fn to_caps(&self) -> Result<Caps, BoolError>
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pub fn convert<V: Into<GenericFormattedValue>, U: SpecificFormattedValue>(
&self,
src_val: V
) -> Option<U>
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&self,
src_val: V
) -> Option<U>
Converts among various gst::Format
types. This function handles
GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
raw audio, GST_FORMAT_DEFAULT corresponds to audio frames. This
function can be used to handle pad queries of the type GST_QUERY_CONVERT.
src_fmt
gst::Format
of the src_val
src_val
value to convert
dest_fmt
gst::Format
of the dest_val
dest_val
pointer to destination value
Returns
TRUE if the conversion was successful.
pub fn convert_generic<V: Into<GenericFormattedValue>>(
&self,
src_val: V,
dest_fmt: Format
) -> Option<GenericFormattedValue>
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&self,
src_val: V,
dest_fmt: Format
) -> Option<GenericFormattedValue>
pub fn format(&self) -> AudioFormat
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pub fn format_info(&self) -> AudioFormatInfo
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pub fn layout(&self) -> AudioLayout
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pub fn flags(&self) -> AudioFlags
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pub fn rate(&self) -> u32
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pub fn channels(&self) -> u32
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pub fn bpf(&self) -> u32
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pub fn bps(&self) -> u32
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pub fn depth(&self) -> u32
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pub fn width(&self) -> u32
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pub fn endianness(&self) -> AudioEndianness
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pub fn is_big_endian(&self) -> bool
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pub fn is_little_endian(&self) -> bool
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pub fn is_float(&self) -> bool
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pub fn is_integer(&self) -> bool
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pub fn is_signed(&self) -> bool
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pub fn positions(&self) -> Option<&[AudioChannelPosition]>
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pub fn is_unpositioned(&self) -> bool
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Trait Implementations
impl Clone for AudioInfo
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impl Debug for AudioInfo
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impl Eq for AudioInfo
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impl PartialEq<AudioInfo> for AudioInfo
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impl Send for AudioInfo
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impl StaticType for AudioInfo
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impl Sync for AudioInfo
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Auto Trait Implementations
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
impl<T> ToSendValue for T where
T: ToValue + SetValue + Send + ?Sized,
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T: ToValue + SetValue + Send + ?Sized,
impl<T> ToValue for T where
T: SetValue + ?Sized,
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T: SetValue + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,