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VideoStreamCache

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Struct VideoStreamCache 

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pub struct VideoStreamCache(/* private fields */);
Expand description

Caches metadata and active players for video streams.

It also keeps track of any additions and removals of video chunks.

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impl VideoStreamCache

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pub fn entry( &mut self, store: &EntityDb, entity_path: &EntityPath, timeline: TimelineName, decode_settings: DecodeSettings, ) -> Result<SharablePlayableVideoStream, VideoStreamProcessingError>

Looks up a video stream + players.

The first time a video stream that is looked up that isn’t in the cache, it creates all the necessary metadata. For any stream in the cache, metadata will be kept automatically up to date for incoming and removed video frames chunks.

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impl Cache for VideoStreamCache

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fn on_store_events(&mut self, events: &[&ChunkStoreEvent], entity_db: &EntityDb)

Keep existing cache entries up to date with new and removed video data.

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fn begin_frame(&mut self)

Called once per frame to potentially flush the cache.
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fn name(&self) -> &'static str

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fn purge_memory(&mut self)

Attempt to free up memory. Read more
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fn vram_usage(&self) -> MemUsageTree

Returns a memory usage tree containing only GPU memory (VRAM) usage. Read more
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impl Default for VideoStreamCache

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fn default() -> VideoStreamCache

Returns the “default value” for a type. Read more
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impl MemUsageTreeCapture for VideoStreamCache

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fn capture_mem_usage_tree(&self) -> MemUsageTree

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