Added project files

core/gtv_common.go

@@ -0,0 +1,61 @@
+// 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,
+	}
+}