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Add support for reading/writing non-square pixel video frames (fixes #309)

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Vanilagy
2026-02-25 17:16:33 +01:00
parent a7dc2c198b
commit bb4749cd8d
25 changed files with 744 additions and 69 deletions
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docs/guide/reading-media-files.md
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@@ -216,17 +216,26 @@ This will only look at the first ~50 packets and then return the result. This is
In addition to the [common track metadata](#common-track-metadata), video tracks have additional metadata you can query:
```ts
// Get the raw pixel dimensions of the track's coded samples, before rotation:
// Get the raw pixel dimensions of the track's coded samples:
videoTrack.codedWidth; // => number
videoTrack.codedHeight; // => number
// Get the displayed pixel dimensions of the track's samples, after rotation:
// Get the pixel dimensions of the track after aspect ratio adjustments,
// but before rotation:
videoTrack.squarePixelWidth; // => number
videoTrack.squarePixelHeight; // => number
// Get the displayed pixel dimensions of the track's samples, after
// aspect ratio adjustments and rotation:
videoTrack.displayWidth; // => number
videoTrack.displayHeight; // => number
// Get the clockwise rotation in degrees by which the
// track's frames should be rotated:
videoTrack.rotation; // => 0 | 90 | 180 | 270
// Get the aspect ratio of the track's pixels (usually 1:1):
videoTrack.pixelAspectRatio; // => { num: number, den: number }
```
To compute a video track's average frame rate (FPS), use [`computePacketStats`](#packet-statistics):