Rewrite HLS segmentation algo AGAIN, add a bunch of HLS segmentation tests, add VideoEncoder/AudioEncoder timing refinement logic, fix HLS output spec violations

src/index.ts

@@ -35,6 +35,7 @@ export {
 	FlacOutputFormat,
 	FlacOutputFormatOptions,
 	HlsOutputFormat,
+	HlsOutputFormatOptions,
 	IsobmffOutputFormat,
 	IsobmffOutputFormatOptions,
 	MkvOutputFormat,
@@ -158,6 +159,7 @@ export {
 	AdtsInputFormat,
 	FlacInputFormat,
 	IsobmffInputFormat,
+	HlsInputFormat,
 	MatroskaInputFormat,
 	Mp3InputFormat,
 	Mp4InputFormat,
@@ -167,8 +169,10 @@ export {
 	WaveInputFormat,
 	WebMInputFormat,
 	ALL_FORMATS,
+	HLS_FORMATS,
 	ADTS,
 	FLAC,
+	HLS,
 	MATROSKA,
 	MP3,
 	MP4,