From ec2228f6ee9349c0866483abc21124dae31f2b52 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Wed, 4 Mar 2026 20:11:48 +0100
Subject: use codec param in js player

---
 ui/client-scripts/src/player/mediacaps.ts | 38 +++++++++++--------------------
 1 file changed, 13 insertions(+), 25 deletions(-)

(limited to 'ui/client-scripts/src/player/mediacaps.ts')

diff --git a/ui/client-scripts/src/player/mediacaps.ts b/ui/client-scripts/src/player/mediacaps.ts
index 9b0e934..4393fe9 100644
--- a/ui/client-scripts/src/player/mediacaps.ts
+++ b/ui/client-scripts/src/player/mediacaps.ts
@@ -7,24 +7,22 @@
 
 import { FormatInfo, StreamContainer } from "./types_stream.ts";
 
-const cache = new Map<string, boolean>()
+const cache = new Map<string, CodecSupport>()
 
-// TODO this testing method makes the assumption, that if the codec is supported on its own, it can be
-// TODO     arbitrarly combined with others that are supported. in reality this is true but the spec does not gurantee it.
+export type CodecSupport = "unsupported" | "supported" | "supported_smooth"
 
-export async function test_media_capability(format: FormatInfo, container: StreamContainer): Promise<boolean> {
+export async function test_media_capability(format: FormatInfo, container: StreamContainer): Promise<CodecSupport> {
     const cache_key = JSON.stringify(format) + container
     const cached = cache.get(cache_key);
     if (cached !== undefined) return cached
     const r = await test_media_capability_inner(format, container)
-    console.log(`${r ? "positive" : "negative"} media capability test finished for codec=${format.codec}`);
+    console.log(`media caps: codec=${format.codec} sup=${r}`);
     cache.set(cache_key, r)
     return r
 }
-async function test_media_capability_inner(format: FormatInfo, container: StreamContainer) {
-    if (format.codec.startsWith("S_") || format.codec.startsWith("D_")) {
-        // TODO do we need to check this?
-        return format.codec == "S_TEXT/WEBVTT" || format.codec == "S_TEXT/UTF8" || format.codec == "D_WEBVTT/SUBTITLES"
+async function test_media_capability_inner(format: FormatInfo, container: StreamContainer): Promise<CodecSupport> {
+    if (format.codec == "S_TEXT/WEBVTT" || format.codec == "S_TEXT/UTF8" || format.codec == "D_WEBVTT/SUBTITLES") {
+        return "supported"
     }
     let res;
     if (format.codec.startsWith("A_")) {
@@ -37,39 +35,29 @@ async function test_media_capability_inner(format: FormatInfo, container: Stream
                 bitrate: format.bitrate,
             }
         })
-    }
-    if (format.codec.startsWith("V_")) {
+    } else if (format.codec.startsWith("V_")) {
         res = await navigator.mediaCapabilities.decodingInfo({
             type: "media-source",
             video: {
                 contentType: track_to_content_type(format, container),
-                framerate: 30, // TODO get average framerate from server
+                framerate: format.samplerate ?? 60,
                 width: format.width ?? 1920,
                 height: format.height ?? 1080,
                 bitrate: format.bitrate
             }
         })
+    } else {
+        res = { supported: false, smooth: false }
     }
-    return res?.supported ?? false
+    return res.supported ? (res.smooth ? "supported_smooth" : "supported") : "unsupported"
 }
 
 export function track_to_content_type(format: FormatInfo, container: StreamContainer): string {
     let c = CONTAINER_TO_MIME_TYPE[container];
     if (format.codec.startsWith("A_")) c = c.replace("video/", "audio/")
-    return `${c}; codecs="${MASTROSKA_CODEC_MAP[format.codec]}"`
+    return `${c}; codecs="${format.codec_param}"`
 }
 
-const MASTROSKA_CODEC_MAP: { [key: string]: string } = {
-    "V_VP9": "vp9",
-    "V_VP8": "vp8",
-    "V_AV1": "av1",
-    "V_MPEG4/ISO/AVC": "avc1.42C01F",
-    "V_MPEGH/ISO/HEVC": "hev1.1.6.L93.90",
-    "A_OPUS": "opus",
-    "A_VORBIS": "vorbis",
-    "S_TEXT/WEBVTT": "webvtt",
-    "D_WEBVTT/SUBTITLES": "webvtt",
-}
 const CONTAINER_TO_MIME_TYPE: { [key in StreamContainer]: string } = {
     webvtt: "text/webvtt",
     webm: "video/webm",
-- 
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