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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/mpeg-ts-muxing.test.ts
+5 -5
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@@ -6,7 +6,7 @@ import { Output } from '../../src/output.js';
import { MpegTsOutputFormat } from '../../src/output-format.js';
import { BufferTarget, StreamTarget, StreamTargetChunk } from '../../src/target.js';
import { CanvasSource, EncodedAudioPacketSource, EncodedVideoPacketSource } from '../../src/media-source.js';
import { QUALITY_HIGH } from '../../src/encode.js';
import { Quality } from '../../src/encode.js';
import { EncodedPacketSink } from '../../src/media-sink.js';
import { assert } from '../../src/misc.js';
import { Conversion } from '../../src/conversion.js';
@@ -59,7 +59,7 @@ test('MPEG-TS muxing with AVC and AAC', async () => {
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);
@@ -351,7 +351,7 @@ test('MPEG-TS muxing with no data', async () => {
const canvas = new OffscreenCanvas(640, 480);
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);
@@ -381,7 +381,7 @@ test('MPEG-TS muxing with video only', async () => {
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);
@@ -690,7 +690,7 @@ test('MPEG-TS muxing with StreamTarget', async () => {
const videoSource = new CanvasSource(canvas, {
codec: 'avc',
bitrate: QUALITY_HIGH,
quality: new Quality('high'),
});
output.addVideoTrack(videoSource);