fix hdr tone mapping

src/hooks/use-jellyfin.ts

@@ -647,7 +647,7 @@ export function usePlaybackInfo(
           // picks the default; when set, the returned TranscodingUrl muxes
           // that audio track into the stream.
           AudioStreamIndex: audioStreamIndex,
-          DeviceProfile: browserDeviceProfile(audioPassthrough) as any,
+          DeviceProfile: await browserDeviceProfile(audioPassthrough) as any,
           AutoOpenLiveStream: true,
           EnableDirectPlay: true,
           EnableDirectStream: true,

src/hooks/use-prebuffer.ts

@@ -42,7 +42,7 @@ export function usePrebuffer(item: BaseItemDto | null | undefined, armed: boolea
           playbackInfoDto: {
             UserId: jellyfinClient.getAuthState()!.userId,
             MaxStreamingBitrate: 140_000_000,
-            DeviceProfile: browserDeviceProfile() as any,
+            DeviceProfile: await browserDeviceProfile() as any,
             AutoOpenLiveStream: true,
             EnableDirectPlay: true,
             EnableDirectStream: true,

src/lib/device-profile.ts

@@ -32,6 +32,29 @@ function canPlayInMse(mime: string): boolean {
   }
 }
 
+async function canDecodeHdr(contentType: string, transferFunction: 'pq' | 'hlg' = 'pq'): Promise<boolean> {
+  if (!canPlayInMse(contentType)) return false
+  if (typeof navigator.mediaCapabilities?.decodingInfo !== 'function') return false
+
+  try {
+    const info = await navigator.mediaCapabilities.decodingInfo({
+      type: 'media-source',
+      video: {
+        contentType,
+        width: 3840,
+        height: 2160,
+        bitrate: 25_000_000,
+        framerate: 24,
+        colorGamut: 'rec2020',
+        transferFunction,
+      },
+    } as any)
+    return !!info.supported
+  } catch {
+    return false
+  }
+}
+
 function supportedVideoCodecs(): string[] {
   const codecs: string[] = ['h264'] // Universally supported in MSE
   if (canPlayInMse('video/mp4; codecs="hev1.1.6.L93.B0"') ||
@@ -82,19 +105,33 @@ function displaySupportsHdr(): boolean {
  *     or VP9.2 (`vp09.02.10.10.01.09.16.09.00`)
  *   - Dolby Vision: `dvh1.05.06` / `dvhe.05.06`
  */
-function supportedVideoRanges(): string {
+async function supportedVideoRanges(): Promise<string> {
   const ranges = ['SDR']
-  const hdrCodec =
-    canPlayInMse('video/mp4; codecs="hvc1.2.4.L153.B0"') ||
-    canPlayInMse('video/mp4; codecs="hev1.2.4.L153.B0"') ||
-    canPlayInMse('video/webm; codecs="vp09.02.10.10.01.09.16.09.00"')
-  if (hdrCodec && displaySupportsHdr()) {
-    ranges.push('HDR10', 'HDR10Plus', 'HLG')
+  if (!displaySupportsHdr()) return ranges.join('|')
+
+  const hdrCodec = (await Promise.all([
+    canDecodeHdr('video/mp4; codecs="hvc1.2.4.L153.B0"'),
+    canDecodeHdr('video/mp4; codecs="hev1.2.4.L153.B0"'),
+    canDecodeHdr('video/mp4; codecs="av01.0.08M.10.0.110.09"'),
+    canDecodeHdr('video/webm; codecs="vp09.02.10.10.01.09.16.09.00"'),
+  ])).some(Boolean)
+  if (hdrCodec) {
+    ranges.push('HDR10', 'HDR10Plus')
   }
-  const dvCodec =
-    canPlayInMse('video/mp4; codecs="dvh1.05.06"') ||
-    canPlayInMse('video/mp4; codecs="dvhe.05.06"')
-  if (dvCodec && displaySupportsHdr()) {
+
+  const hlgCodec = (await Promise.all([
+    canDecodeHdr('video/mp4; codecs="hvc1.2.4.L153.B0"', 'hlg'),
+    canDecodeHdr('video/mp4; codecs="hev1.2.4.L153.B0"', 'hlg'),
+    canDecodeHdr('video/mp4; codecs="av01.0.08M.10.0.110.09"', 'hlg'),
+    canDecodeHdr('video/webm; codecs="vp09.02.10.10.01.09.16.09.00"', 'hlg'),
+  ])).some(Boolean)
+  if (hlgCodec && !ranges.includes('HLG')) ranges.push('HLG')
+
+  const dvCodec = (await Promise.all([
+    canDecodeHdr('video/mp4; codecs="dvh1.05.06"'),
+    canDecodeHdr('video/mp4; codecs="dvhe.05.06"'),
+  ])).some(Boolean)
+  if (dvCodec) {
     ranges.push('DOVI', 'DOVIWithHDR10', 'DOVIWithHLG', 'DOVIWithSDR')
   }
   return ranges.join('|')
@@ -108,10 +145,10 @@ export function isHdrDisplayActive(): boolean {
   return displaySupportsHdr()
 }
 
-export function browserDeviceProfile(audioPassthrough = false) {
+export async function browserDeviceProfile(audioPassthrough = false) {
   const videoCodecs = supportedVideoCodecs()
   const videoCodecsCsv = videoCodecs.join(',')
-  const videoRanges = supportedVideoRanges()
+  const videoRanges = await supportedVideoRanges()
 
   return {
     Name: 'Jellybloom Browser Client',
@@ -215,7 +252,7 @@ export function browserDeviceProfile(audioPassthrough = false) {
             Condition: 'EqualsAny',
             Property: 'VideoRangeType',
             Value: videoRanges,
-            IsRequired: false,
+            IsRequired: true,
           },
         ],
       },
@@ -229,7 +266,7 @@ export function browserDeviceProfile(audioPassthrough = false) {
             Condition: 'EqualsAny',
             Property: 'VideoRangeType',
             Value: videoRanges,
-            IsRequired: false,
+            IsRequired: true,
           },
         ],
       },
@@ -241,7 +278,7 @@ export function browserDeviceProfile(audioPassthrough = false) {
             Condition: 'EqualsAny',
             Property: 'VideoRangeType',
             Value: videoRanges,
-            IsRequired: false,
+            IsRequired: true,
           },
         ],
       },