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Add custom quality factors and quantizer bitrate mode (#448)

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* Add custom quality factors and quantizer bitrate mode (closes #327)

* Fix quantizer mode fallback and per-frame quantizer edge cases

* Clean up quantizer mode tests

* Quantizer implementation

* Add quality tests

* Improve conversion codec error message, make test more lenient

* Add quantizer support blog post

---------

Co-authored-by: Vanilagy <[email protected]>
This commit is contained in:
Don Carignan
2026-07-30 17:24:59 +02:00
committed by GitHub
co-authored by Vanilagy
parent 1a99b0371d
commit c3df2a24e5
48 changed files with 1372 additions and 371 deletions
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test/browser/transparency.test.ts
+4 -4
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@@ -7,7 +7,7 @@ import { Output } from '../../src/output.js';
import { WebMOutputFormat } from '../../src/output-format.js';
import { BufferTarget } from '../../src/target.js';
import { CanvasSource, VideoSampleSource } from '../../src/media-source.js';
import { canEncodeVideo, QUALITY_HIGH } from '../../src/encode.js';
import { canEncodeVideo, Quality } from '../../src/encode.js';
import { VideoSample } from '../../src/sample.js';
import { Conversion } from '../../src/conversion.js';
@@ -96,7 +96,7 @@ const encodeTransparentVideoTest = async () => {
const source = new CanvasSource(canvas, {
codec: 'vp9',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
alpha: 'keep',
});
output.addVideoTrack(source);
@@ -203,7 +203,7 @@ test('Can encode video with alternating transparency', async () => {
const source = new VideoSampleSource({
codec: 'vp9',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
alpha: 'keep',
});
output.addVideoTrack(source);
@@ -270,7 +270,7 @@ test('Can encode transparent video with odd dimensions', async () => {
const source = new CanvasSource(canvas, {
codec: 'vp9',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
alpha: 'keep',
});
output.addVideoTrack(source);