62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
|
// Copyright (c) 2025, Julian Müller (ChaoticByte)
|
||
|
|
|
||
|
|
package core
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
"regexp"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// The following two values are used to simulate buffering
|
||
|
|
const RatelimitDelay = 2.0 // in Seconds; How long to delay the next chunk download.
|
||
|
|
const RatelimitDelayAfter = 5.0 // in Seconds; Delay the next chunk download after this duration.
|
||
|
|
|
||
|
|
var videoUrlRegex = regexp.MustCompile(`gronkh\.tv\/([a-z]+)\/([0-9]+)`)
|
||
|
|
|
||
|
|
type GtvVideo struct {
|
||
|
|
Class string `json:"class"`
|
||
|
|
Id string `json:"id"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseGtvVideoUrl(url string) (GtvVideo, error) {
|
||
|
|
video := GtvVideo{}
|
||
|
|
match := videoUrlRegex.FindStringSubmatch(url)
|
||
|
|
if match == nil || len(match) < 2 {
|
||
|
|
return video, errors.New("Could not parse URL " + url)
|
||
|
|
}
|
||
|
|
video.Class = match[1]
|
||
|
|
video.Id = match[2]
|
||
|
|
return video, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
type VideoFormat struct {
|
||
|
|
Name string `json:"format"`
|
||
|
|
Url string `json:"url"`
|
||
|
|
}
|
||
|
|
|
||
|
|
type ChunkList struct {
|
||
|
|
BaseUrl string
|
||
|
|
Chunks []string
|
||
|
|
ChunkDuration float64
|
||
|
|
}
|
||
|
|
|
||
|
|
func (cl *ChunkList) Cut(from time.Duration, to time.Duration) ChunkList {
|
||
|
|
var newChunks []string
|
||
|
|
var firstChunk = 0
|
||
|
|
if from != -1 {
|
||
|
|
firstChunk = int(from.Seconds() / cl.ChunkDuration)
|
||
|
|
}
|
||
|
|
if to != -1 {
|
||
|
|
lastChunk := min(int(to.Seconds()/cl.ChunkDuration)+1, len(cl.Chunks))
|
||
|
|
newChunks = cl.Chunks[firstChunk:lastChunk]
|
||
|
|
} else {
|
||
|
|
newChunks = cl.Chunks[firstChunk:]
|
||
|
|
}
|
||
|
|
return ChunkList{
|
||
|
|
BaseUrl: cl.BaseUrl,
|
||
|
|
Chunks: newChunks,
|
||
|
|
ChunkDuration: cl.ChunkDuration,
|
||
|
|
}
|
||
|
|
}
|