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Added native PGS (graphical subtitle) rendering for external streams.

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This commit is contained in:
David Schulte 2024-06-08 00:55:35 +02:00
parent 9184f06d79
commit e9aedc3305
4 changed files with 81 additions and 2 deletions
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29
src/plugins/htmlVideoPlayer/plugin.js
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@ -100,7 +100,7 @@ function enableNativeTrackSupport(mediaSource, track) {
if (track) {
const format = (track.Codec || '').toLowerCase();
if (format === 'ssa' || format === 'ass') {
if (format === 'ssa' || format === 'ass' || format === 'pgssub') {
return false;
}
}
@ -213,6 +213,10 @@ export class HtmlVideoPlayer {
* @type {any | null | undefined}
*/
#currentAssRenderer;
/**
* @type {any | null | undefined}
*/
#currentPgsRenderer;
/**
* @type {number | undefined}
*/
@ -1172,6 +1176,12 @@ export class HtmlVideoPlayer {
octopus.dispose();
}
this.#currentAssRenderer = null;
const pgsRenderer = this.#currentPgsRenderer;
if (pgsRenderer) {
pgsRenderer.dispose();
}
this.#currentPgsRenderer = null;
}
/**
@ -1316,6 +1326,19 @@ export class HtmlVideoPlayer {
});
}
/**
* @private
*/
renderPgs(videoElement, track, item) {
import('libpgs').then((libpgs) => {
const options = {
video: videoElement,
subUrl: getTextTrackUrl(track, item)
};
this.#currentPgsRenderer = new libpgs.PgsRenderer(options);
});
}
/**
* @private
*/
@ -1434,6 +1457,10 @@ export class HtmlVideoPlayer {
this.renderSsaAss(videoElement, track, item);
return;
}
if (format === 'pgssub') {
this.renderPgs(videoElement, track, item);
return;
}
if (this.requiresCustomSubtitlesElement()) {
this.renderSubtitlesWithCustomElement(videoElement, track, item, targetTextTrackIndex);