arcodange/mediabunny
1
0
Fork 0
mirror of https://github.com/arcodange-org/mediabunny.git synced 2026-09-30 20:33:55 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'main' into metadata

Browse Source
This commit is contained in:
Vanilagy
2025-09-03 21:12:16 +02:00
parent c82ebb93da 09190b4e6e
commit 034a7254d2
73 changed files with 10138 additions and 3072 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/input.ts
+19 -13
View File
@@ -14,6 +14,7 @@ import { Source } from './source';
/**
* The options for creating an Input object.
* @group Input files & tracks
* @public
*/
export type InputOptions<S extends Source = Source> = {
@@ -25,6 +26,7 @@ export type InputOptions<S extends Source = Source> = {
/**
* Represents an input media file. This is the root object from which all media read operations start.
* @group Input files & tracks
* @public
*/
export class Input<S extends Source = Source> {
@@ -33,12 +35,16 @@ export class Input<S extends Source = Source> {
/** @internal */
_formats: InputFormat[];
/** @internal */
_mainReader: Reader;
/** @internal */
_demuxerPromise: Promise<Demuxer> | null = null;
/** @internal */
_format: InputFormat | null = null;
/** @internal */
_reader: Reader;
/**
* Creates a new input file from the specified options. No reading operations will be performed until methods are
* called on this instance.
*/
constructor(options: InputOptions<S>) {
if (!options || typeof options !== 'object') {
throw new TypeError('options must be an object.');
@@ -52,13 +58,13 @@ export class Input<S extends Source = Source> {
this._formats = options.formats;
this._source = options.source;
this._mainReader = new Reader(options.source);
this._reader = new Reader(options.source);
}
/** @internal */
_getDemuxer() {
return this._demuxerPromise ??= (async () => {
await this._mainReader.loadRange(0, 4096); // Load the first 4 kiB so we can determine the format
this._reader.fileSize = await this._source.getSizeOrNull();
for (const format of this._formats) {
const canRead = await format._canReadInput(this);
@@ -81,9 +87,9 @@ export class Input<S extends Source = Source> {
}
/**
* Returns the format of the input file. You can compare this result directly to the InputFormat singletons or use
* `instanceof` checks for subset-aware logic (for example, `format instanceof MatroskaInputFormat` is true for
* both MKV and WebM).
* Returns the format of the input file. You can compare this result directly to the {@link InputFormat} singletons
* or use `instanceof` checks for subset-aware logic (for example, `format instanceof MatroskaInputFormat` is true
* for both MKV and WebM).
*/
async getFormat() {
await this._getDemuxer();
@@ -112,18 +118,18 @@ export class Input<S extends Source = Source> {
return tracks.filter(x => x.isVideoTrack());
}
/** Returns the primary video track of this input file, or null if there are no video tracks. */
async getPrimaryVideoTrack() {
const tracks = await this.getTracks();
return tracks.find(x => x.isVideoTrack()) ?? null;
}
/** Returns the list of all audio tracks of this input file. */
async getAudioTracks() {
const tracks = await this.getTracks();
return tracks.filter(x => x.isAudioTrack());
}
/** Returns the primary video track of this input file, or null if there are no video tracks. */
async getPrimaryVideoTrack() {
const tracks = await this.getTracks();
return tracks.find(x => x.isVideoTrack()) ?? null;
}
/** Returns the primary audio track of this input file, or null if there are no audio tracks. */
async getPrimaryAudioTrack() {
const tracks = await this.getTracks();