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Automatically close new VideoFrames created by toCanvasImageSource, reduce clones in mediaSamplesAtTimestamps

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Vanilagy
2025-05-09 15:31:18 +02:00
parent 8bca9b0217
commit 8de25036b8
5 changed files with 37 additions and 18 deletions
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docs/guide/packets-and-samples.md
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@@ -328,6 +328,10 @@ videoSample.toCanvasImageSource(); // => VideoFrame | OffscreenCanvas;
This method returns a valid `CanvasImageSource` you can use with [drawImage](https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/drawImage).
::: warning
If this method returns a `VideoFrame`, you should use that frame immediately. This is because any internally-created video frames will automatically be closed in the next microtask.
:::
---
Sometimes you may want direct access to the underlying pixel data. To do this, `VideoSample` allows you to copy this data into an `ArrayBuffer`.