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Add media conversion utility function, fix fragment/cluster reading issues, expand color space logic, add qualitative bitrates, & many other fixes and improvements

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This commit is contained in:
Vanilagy
2025-01-19 18:55:12 +01:00
parent d323c2be8e
commit 70b88332b2
19 changed files with 1504 additions and 217 deletions
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src/output.ts
+42 -37
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@@ -6,9 +6,12 @@ import { Target } from './target';
import { Writer } from './writer';
/** @public */
export type OutputOptions = {
format: OutputFormat;
target: Target;
export type OutputOptions<
F extends OutputFormat = OutputFormat,
T extends Target = Target,
> = {
format: F;
target: T;
};
/** @public */
@@ -63,11 +66,13 @@ const validateBaseTrackMetadata = (metadata: BaseTrackMetadata) => {
};
/** @public */
export class Output {
/** @internal */
_format: OutputFormat;
/** @internal */
_target: Target;
export class Output<
F extends OutputFormat = OutputFormat,
T extends Target = Target,
> {
format: F;
target: T;
/** @internal */
_muxer: Muxer;
/** @internal */
@@ -83,7 +88,7 @@ export class Output {
/** @internal */
_mutex = new AsyncMutex();
constructor(options: OutputOptions) {
constructor(options: OutputOptions<F, T>) {
if (!options || typeof options !== 'object') {
throw new TypeError('options must be an object.');
}
@@ -99,8 +104,8 @@ export class Output {
}
options.target._output = this;
this._format = options.format;
this._target = options.target;
this.format = options.format;
this.target = options.target;
this._writer = options.target._createWriter();
this._muxer = options.format._createMuxer(this);
@@ -159,7 +164,7 @@ export class Output {
}
// Verify maximum track count constraints
const supportedTrackCounts = this._format.getSupportedTrackCounts();
const supportedTrackCounts = this.format.getSupportedTrackCounts();
const presentTracksOfThisType = this._tracks.reduce(
(count, track) => count + (track.type === type ? 1 : 0),
0,
@@ -168,15 +173,15 @@ export class Output {
if (presentTracksOfThisType === maxCount) {
throw new Error(
maxCount === 0
? `${this._format._getName()} does not support ${type} tracks.`
: (`${this._format._getName()} does not support more than ${maxCount} ${type} track`
? `${this.format._getName()} does not support ${type} tracks.`
: (`${this.format._getName()} does not support more than ${maxCount} ${type} track`
+ `${maxCount === 1 ? '' : 's'}.`),
);
}
const maxTotalCount = supportedTrackCounts.total.max;
if (this._tracks.length === maxTotalCount) {
throw new Error(
`${this._format._getName()} does not support more than ${maxTotalCount} tracks`
`${this.format._getName()} does not support more than ${maxTotalCount} tracks`
+ `${maxTotalCount === 1 ? '' : 's'} in total.`,
);
}
@@ -190,48 +195,48 @@ export class Output {
} as OutputTrack;
if (track.type === 'video') {
const supportedVideoCodecs = this._format.getSupportedVideoCodecs();
const supportedVideoCodecs = this.format.getSupportedVideoCodecs();
if (supportedVideoCodecs.length === 0) {
throw new Error(
`${this._format._getName()} does not support video tracks.`
+ this._format._codecUnsupportedHint(track.source._codec),
`${this.format._getName()} does not support video tracks.`
+ this.format._codecUnsupportedHint(track.source._codec),
);
} else if (!supportedVideoCodecs.includes(track.source._codec)) {
throw new Error(
`Codec '${track.source._codec}' cannot be contained within ${this._format._getName()}. Supported`
`Codec '${track.source._codec}' cannot be contained within ${this.format._getName()}. Supported`
+ ` video codecs are: ${supportedVideoCodecs.map(codec => `'${codec}'`).join(', ')}.`
+ this._format._codecUnsupportedHint(track.source._codec),
+ this.format._codecUnsupportedHint(track.source._codec),
);
}
} else if (track.type === 'audio') {
const supportedAudioCodecs = this._format.getSupportedAudioCodecs();
const supportedAudioCodecs = this.format.getSupportedAudioCodecs();
if (supportedAudioCodecs.length === 0) {
throw new Error(
`${this._format._getName()} does not support audio tracks.`
+ this._format._codecUnsupportedHint(track.source._codec),
`${this.format._getName()} does not support audio tracks.`
+ this.format._codecUnsupportedHint(track.source._codec),
);
} else if (!supportedAudioCodecs.includes(track.source._codec)) {
throw new Error(
`Codec '${track.source._codec}' cannot be contained within ${this._format._getName()}. Supported`
`Codec '${track.source._codec}' cannot be contained within ${this.format._getName()}. Supported`
+ ` audio codecs are: ${supportedAudioCodecs.map(codec => `'${codec}'`).join(', ')}.`
+ this._format._codecUnsupportedHint(track.source._codec),
+ this.format._codecUnsupportedHint(track.source._codec),
);
}
} else if (track.type === 'subtitle') {
const supportedSubtitleCodecs = this._format.getSupportedSubtitleCodecs();
const supportedSubtitleCodecs = this.format.getSupportedSubtitleCodecs();
if (supportedSubtitleCodecs.length === 0) {
throw new Error(
`${this._format._getName()} does not support subtitle tracks.`
+ this._format._codecUnsupportedHint(track.source._codec),
`${this.format._getName()} does not support subtitle tracks.`
+ this.format._codecUnsupportedHint(track.source._codec),
);
} else if (!supportedSubtitleCodecs.includes(track.source._codec)) {
throw new Error(
`Codec '${track.source._codec}' cannot be contained within ${this._format._getName()}. Supported`
`Codec '${track.source._codec}' cannot be contained within ${this.format._getName()}. Supported`
+ ` subtitle codecs are: ${supportedSubtitleCodecs.map(codec => `'${codec}'`).join(', ')}.`
+ this._format._codecUnsupportedHint(track.source._codec),
+ this.format._codecUnsupportedHint(track.source._codec),
);
}
}
@@ -249,7 +254,7 @@ export class Output {
}
// Verify minimum track count constraints
const supportedTrackCounts = this._format.getSupportedTrackCounts();
const supportedTrackCounts = this.format.getSupportedTrackCounts();
for (const trackType of ALL_TRACK_TYPES) {
const presentTracksOfThisType = this._tracks.reduce(
(count, track) => count + (track.type === trackType ? 1 : 0),
@@ -259,9 +264,9 @@ export class Output {
if (presentTracksOfThisType < minCount) {
throw new Error(
minCount === supportedTrackCounts[trackType].max
? (`${this._format._getName()} requires exactly ${minCount} ${trackType}`
? (`${this.format._getName()} requires exactly ${minCount} ${trackType}`
+ ` track${minCount === 1 ? '' : 's'}.`)
: (`${this._format._getName()} requires at least ${minCount} ${trackType}`
: (`${this.format._getName()} requires at least ${minCount} ${trackType}`
+ ` track${minCount === 1 ? '' : 's'}.`),
);
}
@@ -270,9 +275,9 @@ export class Output {
if (this._tracks.length < totalMinCount) {
throw new Error(
totalMinCount === supportedTrackCounts.total.max
? (`${this._format._getName()} requires exactly ${totalMinCount} track`
? (`${this.format._getName()} requires exactly ${totalMinCount} track`
+ `${totalMinCount === 1 ? '' : 's'}.`)
: (`${this._format._getName()} requires at least ${totalMinCount} track`
: (`${this.format._getName()} requires at least ${totalMinCount} track`
+ `${totalMinCount === 1 ? '' : 's'}.`),
);
}
@@ -302,7 +307,7 @@ export class Output {
const release = await this._mutex.acquire();
const promises = this._tracks.map(x => x.source._flush());
const promises = this._tracks.map(x => x.source._flushOrWaitForClose());
await Promise.all(promises);
await this._writer.close();
@@ -321,7 +326,7 @@ export class Output {
const release = await this._mutex.acquire();
const promises = this._tracks.map(x => x.source._flush());
const promises = this._tracks.map(x => x.source._flushOrWaitForClose());
await Promise.all(promises);
await this._muxer.finalize();