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Code Issues Releases Wiki Activity

Add support for FLAC in sniffer and codecs package.

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This commit is contained in:
Jeff Schiller 2023-02-05 19:39:04 -08:00
parent 44beb992bf
commit 303c635b90
5 changed files with 17 additions and 4 deletions
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10
codecs/codecs.js
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@ -51,9 +51,11 @@ export function getShortMIMEString(info) {
if (!info) throw `Invalid ProbeInfo`;
if (!info.streams || info.streams.length === 0) throw `No streams in ProbeInfo`;
// mp3 files are always considered audio/.
// mp3/flac files are always considered audio/ (even with mjpeg video streams).
if (info.format.format_name === 'mp3') {
return 'audio/mpeg';
} else if (info.format.format_name === 'flac') {
return 'audio/flac';
}
// Otherwise, any file with at least 1 video stream is considered video/.
@ -106,8 +108,9 @@ export function getShortMIMEString(info) {
export function getFullMIMEString(info) {
/** A string like 'video/mp4' */
let contentType = `${getShortMIMEString(info)}`;
// If MP3, just send back the type.
if (contentType === 'audio/mpeg') {
// If MP3/FLAC, just send back the type.
if (contentType === 'audio/mpeg'
|| contentType === 'audio/flac') {
return contentType;
}
@ -124,6 +127,7 @@ export function getFullMIMEString(info) {
case 'opus': codecFrags.add('opus'); break;
// I'm going off of what Chromium calls this one, with the dash.
case 'ac3': codecFrags.add('ac-3'); break;
case 'flac': codecFrags.add('flac'); break;
default:
throw `Could not handle codec_name ${stream.codec_name}, ` +
`codec_tag_string ${stream.codec_tag_string} for file ${info.format.filename} yet. ` +