mahmad/hls-player-js
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proper reading of codecs done

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This commit is contained in:
Muaz Ahmad 2023-08-23 23:13:07 +05:00
parent 7447699735
commit e94d063422
2 changed files with 8 additions and 2 deletions
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1
hls-player.js
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@ -51,6 +51,7 @@ class VideoLoader {
async prepare_buffer() { async prepare_buffer() {
let init_frag = await this.fetch_video('/vid/' + this.stream_key + '/init.mp4'); let init_frag = await this.fetch_video('/vid/' + this.stream_key + '/init.mp4');
let mime = (new MP4Tree(init_frag)).get_mime(); let mime = (new MP4Tree(init_frag)).get_mime();
console.log(mime);
} }
async fetch_video(uri) { async fetch_video(uri) {

9
mp4-tree.js
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@ -43,12 +43,17 @@ class MP4Tree {
parse_avc1() { parse_avc1() {
this.parse_into('avc1', 86); this.parse_into('avc1', 86);
console.log(this.read_next_head()); this.parse_into('avcC', 8);
const avc_profile = (this.data.getUint32(this.idx) & 0xffffff).toString(16);
this.codecs.push('avc1.' + avc_profile);
} }
parse_mp4a() { parse_mp4a() {
this.parse_into('mp4a', 36); this.parse_into('mp4a', 36);
console.log(this.read_next_head()); this.parse_into('esds', 12);
const oti = this.data.getUint8(this.idx + 13).toString(16);
const aot = (this.data.getUint8(this.idx + 31) >> 3).toString(10);
this.codecs.push(["mp4a", oti, aot].join('.'));
} }
get_mime() { get_mime() {