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docs: Be more explicit about video + preview link and add aspect ratio

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Marc Rousavy 2024-02-02 10:06:53 +01:00
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docs/docs/guides/FORMATS.mdx
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@ -34,6 +34,7 @@ To understand a bit more about camera formats, you first need to understand a fe
* 4k Photos, 1080p Videos, 240 FPS (ultra high FPS/slow motion) * 4k Photos, 1080p Videos, 240 FPS (ultra high FPS/slow motion)
* 720p Photos, 720p Videos, 30 FPS (smaller buffers/e.g. faster face detection) * 720p Photos, 720p Videos, 30 FPS (smaller buffers/e.g. faster face detection)
* Each app has different requirements, so the format filtering is up to you. * Each app has different requirements, so the format filtering is up to you.
* The `videoResolution` and `videoAspectRatio` options also affect the preview, as preview is also running in the video stream.
To get all available formats, simply use the `CameraDevice`'s [`formats` property](/docs/api/interfaces/CameraDevice#formats). These are a [CameraFormat's](/docs/api/interfaces/CameraDeviceFormat) props: To get all available formats, simply use the `CameraDevice`'s [`formats` property](/docs/api/interfaces/CameraDevice#formats). These are a [CameraFormat's](/docs/api/interfaces/CameraDeviceFormat) props:
@ -61,6 +62,7 @@ You can either find a matching format manually by looping through your `CameraDe
```ts ```ts
const device = ... const device = ...
const format = useCameraFormat(device, [ const format = useCameraFormat(device, [
{ videoAspectRatio: 16 / 9 },
{ videoResolution: { width: 3048, height: 2160 } }, { videoResolution: { width: 3048, height: 2160 } },
{ fps: 60 } { fps: 60 }
]) ])
@ -72,6 +74,7 @@ const format = useCameraFormat(device, [
```ts ```ts
const device = ... const device = ...
const format = getCameraFormat(device, [ const format = getCameraFormat(device, [
{ videoAspectRatio: 16 / 9 },
{ videoResolution: { width: 3048, height: 2160 } }, { videoResolution: { width: 3048, height: 2160 } },
{ fps: 60 } { fps: 60 }
]) ])