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StreamInfo

Struct StreamInfo 

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pub struct StreamInfo {
    pub index: u32,
    pub stream_type: StreamType,
    pub codec_id: String,
    pub bitrate_bps: u64,
    pub duration_ms_val: u64,
    pub rate_num: u32,
    pub rate_den: u32,
    pub width: u32,
    pub height: u32,
    pub channels: u32,
}
Expand description

Information record for a single elementary stream.

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§index: u32

Zero-based stream index within the container.

§stream_type: StreamType

Stream type.

§codec_id: String

Codec identifier string (e.g. "h264", "aac").

§bitrate_bps: u64

Bitrate in bits per second (0 if unknown).

§duration_ms_val: u64

Duration in milliseconds (0 if unknown).

§rate_num: u32

Sample rate (audio) or frame rate numerator (video); 0 if unused.

§rate_den: u32

Frame rate denominator (video only); 0 if unused.

§width: u32

Width in pixels (video only); 0 if unused.

§height: u32

Height in pixels (video only); 0 if unused.

§channels: u32

Channel count (audio only); 0 if unused.

Implementations§

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impl StreamInfo

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pub fn new( index: u32, stream_type: StreamType, codec_id: impl Into<String>, ) -> Self

Create a minimal stream descriptor.

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pub fn is_video(&self) -> bool

Returns true if this is a video stream.

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pub fn is_audio(&self) -> bool

Returns true if this is an audio stream.

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pub fn duration_ms(&self) -> u64

Returns the duration in milliseconds.

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pub fn frame_rate(&self) -> f64

Returns the frame rate as a float (for video streams).

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pub fn with_bitrate(self, bps: u64) -> Self

Builder: set bitrate.

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pub fn with_duration_ms(self, ms: u64) -> Self

Builder: set duration.

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pub fn with_video_dims(self, width: u32, height: u32) -> Self

Builder: set video dimensions.

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pub fn with_frame_rate(self, num: u32, den: u32) -> Self

Builder: set frame rate (numerator / denominator).

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pub fn with_audio(self, sample_rate: u32, channels: u32) -> Self

Builder: set audio properties.

Trait Implementations§

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impl Clone for StreamInfo

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fn clone(&self) -> StreamInfo

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StreamInfo

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

Formats the value using the given formatter. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.