gstreamer_base::subclass::base_src

Trait BaseSrcImpl

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pub trait BaseSrcImpl: BaseSrcImplExt + ElementImpl {
Show 18 methods // Provided methods fn start(&self) -> Result<(), ErrorMessage> { ... } fn stop(&self) -> Result<(), ErrorMessage> { ... } fn is_seekable(&self) -> bool { ... } fn size(&self) -> Option<u64> { ... } fn times( &self, buffer: &BufferRef, ) -> (Option<ClockTime>, Option<ClockTime>) { ... } fn fill( &self, offset: u64, length: u32, buffer: &mut BufferRef, ) -> Result<FlowSuccess, FlowError> { ... } fn alloc(&self, offset: u64, length: u32) -> Result<Buffer, FlowError> { ... } fn create( &self, offset: u64, buffer: Option<&mut BufferRef>, length: u32, ) -> Result<CreateSuccess, FlowError> { ... } fn do_seek(&self, segment: &mut Segment) -> bool { ... } fn query(&self, query: &mut QueryRef) -> bool { ... } fn event(&self, event: &Event) -> bool { ... } fn caps(&self, filter: Option<&Caps>) -> Option<Caps> { ... } fn negotiate(&self) -> Result<(), LoggableError> { ... } fn set_caps(&self, caps: &Caps) -> Result<(), LoggableError> { ... } fn fixate(&self, caps: Caps) -> Caps { ... } fn unlock(&self) -> Result<(), ErrorMessage> { ... } fn unlock_stop(&self) -> Result<(), ErrorMessage> { ... } fn decide_allocation( &self, query: &mut Allocation, ) -> Result<(), LoggableError> { ... }
}

Provided Methods§

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fn start(&self) -> Result<(), ErrorMessage>

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fn stop(&self) -> Result<(), ErrorMessage>

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fn is_seekable(&self) -> bool

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fn size(&self) -> Option<u64>

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fn times(&self, buffer: &BufferRef) -> (Option<ClockTime>, Option<ClockTime>)

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fn fill( &self, offset: u64, length: u32, buffer: &mut BufferRef, ) -> Result<FlowSuccess, FlowError>

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fn alloc(&self, offset: u64, length: u32) -> Result<Buffer, FlowError>

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fn create( &self, offset: u64, buffer: Option<&mut BufferRef>, length: u32, ) -> Result<CreateSuccess, FlowError>

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fn do_seek(&self, segment: &mut Segment) -> bool

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fn query(&self, query: &mut QueryRef) -> bool

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fn event(&self, event: &Event) -> bool

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fn caps(&self, filter: Option<&Caps>) -> Option<Caps>

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fn negotiate(&self) -> Result<(), LoggableError>

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fn set_caps(&self, caps: &Caps) -> Result<(), LoggableError>

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fn fixate(&self, caps: Caps) -> Caps

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fn unlock(&self) -> Result<(), ErrorMessage>

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fn unlock_stop(&self) -> Result<(), ErrorMessage>

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fn decide_allocation(&self, query: &mut Allocation) -> Result<(), LoggableError>

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§