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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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dev/convert.html
+15 -9
View File
@@ -107,15 +107,15 @@
/*
video: {
discard: true,
bitrate: Mediabunny.QUALITY_VERY_HIGH,
//bitrate: Mediabunny.QUALITY_VERY_HIGH
quality: new Mediabunny.Quality('very-high'),
//quality: new Mediabunny.Quality('very-high')
codec: 'av1',
//width: 800,
//fit: 'fill',
//rotate: 90,
},
audio: {
bitrate: Mediabunny.QUALITY_HIGH,
quality: new Mediabunny.Quality('high'),
codec: 'aac',
},
*/
@@ -129,10 +129,15 @@
},
*/
video: {
process: (sample) => {
sample.draw(ctx, 0, 0, 1280, 720);
return new Mediabunny.VideoSample(canvas, { timestamp: sample.timestamp, duration: sample.duration });
},
codec: 'avc',
bitrate: new Mediabunny.Quality({
quality: Infinity,
}),
forceTranscode: true,
//process: (sample) => {
// sample.draw(ctx, 0, 0, 1280, 720);
// return new Mediabunny.VideoSample(canvas, { timestamp: sample.timestamp, duration: sample.duration });
//},
},
tags: {} ?? {
title: 'Bigggy',
@@ -152,8 +157,9 @@
}
},
trim: {
start: -2,
end: 10,
end: 20,
//start: -2,
//end: 10,
//start: 300.14984567374756 - 100,
//end: 310.1548298151939 - 100,
//end: 10,
dev/live.html
+2 -2
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@@ -30,7 +30,7 @@
if (videoTrack) {
videoSource = new Mediabunny.MediaStreamVideoTrackSource(videoTrack, {
codec: 'vp9',
bitrate: Mediabunny.QUALITY_MEDIUM,
quality: new Mediabunny.Quality('medium'),
sizeChangeBehavior: 'passThrough',
}, { timestampBase: 'unix' });
@@ -41,7 +41,7 @@
if (audioTrack) {
audioSource = new Mediabunny.MediaStreamAudioTrackSource(audioTrack, {
codec: 'opus',
bitrate: Mediabunny.QUALITY_MEDIUM
quality: new Mediabunny.Quality('medium')
});
audioSource.errorPromise.catch((d) => console.log("Hello!!???", d));
dev/mux.html
+1 -1
View File
@@ -65,7 +65,7 @@
/*
let sourcy = new Mediabunny.AudioBufferSource({
codec: 'pcm-s16',
bitrate: Mediabunny.QUALITY_HIGH
quality: new Mediabunny.Quality('high')
});
output.addAudioTrack(sourcy);