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Make allocationSize and copyTo always throw if internal format is null (closes #267)

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Vanilagy
2026-01-05 11:07:32 +01:00
parent 9343607fe1
commit 8f43086e3d
2 changed files with 17 additions and 14 deletions
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src/sample.ts
+10 -14
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@@ -446,8 +446,7 @@ export class VideoSample implements Disposable {
}
/**
* Returns the number of bytes required to hold this video sample's pixel data. Throws if `format` is `null`;
* specify an explicit RGB format in the options in this case.
* Returns the number of bytes required to hold this video sample's pixel data. Throws if `format` is `null`.
*/
allocationSize(options: VideoFrameCopyToOptions = {}): number {
validateVideoFrameCopyToOptions(options);
@@ -455,11 +454,10 @@ export class VideoSample implements Disposable {
if (this._closed) {
throw new Error('VideoSample is closed.');
}
if ((options.format ?? this.format) === null) {
throw new Error(
'Cannot get allocation size when format is null. Please manually provide an RGB pixel format in the'
+ ' options instead.',
);
if (this.format === null) {
// https://github.com/Vanilagy/mediabunny/issues/267
// https://github.com/w3c/webcodecs/issues/920
throw new Error('Cannot get allocation size when format is null. Sorry!');
}
assert(this._data !== null);
@@ -472,6 +470,7 @@ export class VideoSample implements Disposable {
|| options.rect
) {
// Temporarily convert to VideoFrame to get it done
// TODO: Compute this directly without needing to go through VideoFrame
const videoFrame = this.toVideoFrame();
const size = videoFrame.allocationSize(options);
videoFrame.close();
@@ -490,8 +489,7 @@ export class VideoSample implements Disposable {
}
/**
* Copies this video sample's pixel data to an ArrayBuffer or ArrayBufferView. Throws if `format` is `null`;
* specify an explicit RGB format in the options in this case.
* Copies this video sample's pixel data to an ArrayBuffer or ArrayBufferView. Throws if `format` is `null`.
* @returns The byte layout of the planes of the copied data.
*/
async copyTo(destination: AllowSharedBufferSource, options: VideoFrameCopyToOptions = {}): Promise<PlaneLayout[]> {
@@ -503,11 +501,8 @@ export class VideoSample implements Disposable {
if (this._closed) {
throw new Error('VideoSample is closed.');
}
if ((options.format ?? this.format) === null) {
throw new Error(
'Cannot copy video sample data when format is null. Please manually provide an RGB pixel format in the'
+ ' options instead.',
);
if (this.format === null) {
throw new Error('Cannot copy video sample data when format is null. Sorry!');
}
assert(this._data !== null);
@@ -520,6 +515,7 @@ export class VideoSample implements Disposable {
|| options.rect
) {
// Temporarily convert to VideoFrame to get it done
// TODO: Do this directly without needing to go through VideoFrame
const videoFrame = this.toVideoFrame();
const layout = await videoFrame.copyTo(destination, options);
videoFrame.close();