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VideoEncoder

Struct VideoEncoder 

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pub struct VideoEncoder { /* private fields */ }
Available on crate feature video only.
Expand description

A FrameSink that encodes the capture stream to a file.

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impl VideoEncoder

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pub fn new(path: impl Into<PathBuf>, opts: Options) -> Result<Self>

Create an encoder writing to path (container inferred from its extension, e.g. .mp4/.mkv). The codec is opened lazily on the first frame.

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pub fn resolved_backend(&self) -> Result<Backend>

The backend that will actually be used (resolves Auto); handy for logging.

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impl FrameSink for VideoEncoder

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fn push_audio(&mut self, pcm: &[f32])

Buffer interleaved PCM ([AUDIO_CHANNELS] per frame, [AUDIO_RATE] Hz); it is muxed on the next FrameSink::push. A no-op unless opts.audio is set. Bounded while the pipeline warms up (no video frame yet) so it can’t grow without limit.

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fn push(&mut self, img: &CapturedImage, ts: Duration) -> Result<()>

Consume one CPU-pixel frame.
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fn finish(&mut self) -> Result<()>

Flush and finalize (write the file, close the encoder, …). Call once, last.
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fn push_dmabuf( &mut self, rb: &mut GpuReadback, frame: DmabufFrame, ts: Duration, ) -> Result<()>

Consume one GPU dma-buf frame. The default reads it back to CPU pixels via rb and forwards to FrameSink::push; override to consume it on the GPU.

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