feat: add resolution selection to settings

src/utils/hlsLoader.ts

@@ -3,7 +3,7 @@
  * Handles loading hls.js from npm or CDN
  */
 
-import type { AudioTrack } from '../types'
+import type { AudioTrack, VideoQuality } from '../types'
 
 const HLS_CDN_URL = 'https://cdn.jsdelivr.net/npm/hls.js@1.5.13/dist/hls.min.js'
 
@@ -104,6 +104,82 @@ export const getHlsAudioTracks = (hls: any): AudioTrack[] => {
   }
 }
 
+/**
+ * Extract available quality levels from HLS instance
+ */
+export const getHlsQualities = (hls: any): VideoQuality[] => {
+  try {
+    if (!hls || !Array.isArray(hls.levels)) {
+      return []
+    }
+
+    const qualities: VideoQuality[] = hls.levels.map((level: any, index: number) => {
+      const resolution = typeof level.attrs?.RESOLUTION === 'string' ? level.attrs.RESOLUTION : undefined
+      const [widthFromResolution, heightFromResolution] = resolution
+        ? resolution.split('x').map((value: string) => parseInt(value, 10))
+        : [undefined, undefined]
+
+      const width = level.width || widthFromResolution
+      const height = level.height || heightFromResolution
+      const bitrate = typeof level.bitrate === 'number' ? level.bitrate : level.attrs?.BANDWIDTH
+
+      let label: string
+      if (typeof level.name === 'string' && level.name.trim().length > 0) {
+        label = level.name
+      } else if (typeof height === 'number' && !Number.isNaN(height) && height > 0) {
+        label = `${height}p`
+      } else if (typeof bitrate === 'number' && bitrate > 0) {
+        label = `${Math.round(bitrate / 1000)} kbps`
+      } else {
+        label = `Seviye ${index + 1}`
+      }
+
+      return {
+        height,
+        width,
+        bitrate: typeof bitrate === 'number' ? bitrate : undefined,
+        label,
+        levelIndex: index,
+        url: level.url || level.uri || undefined,
+      }
+    })
+
+    return qualities.sort((a, b) => {
+      const heightDifference = (b.height || 0) - (a.height || 0)
+      if (heightDifference !== 0) {
+        return heightDifference
+      }
+      return (b.bitrate || 0) - (a.bitrate || 0)
+    })
+  } catch {
+    return []
+  }
+}
+
+/**
+ * Update active quality level in HLS instance. Passing null re-enables auto.
+ */
+export const setHlsQualityLevel = (hls: any, levelIndex: number | null | undefined): void => {
+  if (!hls || !Array.isArray(hls.levels)) {
+    return
+  }
+
+  if (levelIndex === null || typeof levelIndex === 'undefined' || levelIndex < 0) {
+    if (hls.currentLevel !== -1) {
+      hls.currentLevel = -1
+    }
+    return
+  }
+
+  if (levelIndex >= hls.levels.length) {
+    return
+  }
+
+  if (hls.currentLevel !== levelIndex) {
+    hls.currentLevel = levelIndex
+  }
+}
+
 /**
  * Set active audio track in HLS instance
  */