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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/cmaf.test.ts
+4 -4
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@@ -3,7 +3,7 @@ import { Output } from '../../src/output.js';
import { CmafOutputFormat } from '../../src/output-format.js';
import { BufferTarget } from '../../src/target.js';
import { CanvasSource } from '../../src/media-source.js';
import { QUALITY_HIGH } from '../../src/encode.js';
import { Quality } from '../../src/encode.js';
import { Input } from '../../src/input.js';
import { BufferSource } from '../../src/source.js';
import { ALL_FORMATS } from '../../src/input-format.js';
@@ -17,7 +17,7 @@ test('CMAF throws without initTarget', async () => {
const canvas = new OffscreenCanvas(640, 480);
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);
@@ -44,7 +44,7 @@ test('CMAF with video track', async () => {
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);
@@ -97,7 +97,7 @@ test('CMAF with empty video track', async () => {
const canvas = new OffscreenCanvas(640, 480);
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);