not hardcoding source source codecs

1 files changed, 32 insertions, 1 deletions

diff --git a/web/script/player/mediacaps.ts b/web/script/player/mediacaps.ts
index b722904..1fec967 100644
--- a/web/script/player/mediacaps.ts
+++ b/web/script/player/mediacaps.ts
@@ -1,4 +1,4 @@
-import { SourceTrack, SourceTrackKind } from "./jhls.d.ts";
+import { EncodingProfile, SourceTrack, SourceTrackKind } from "./jhls.d.ts";
 
 const cache = new Map<string, boolean>()
 
@@ -47,6 +47,29 @@ async function test_media_capability_inner(track: SourceTrack) {
     return res?.supported ?? false
 }
 
+export function track_to_content_type(track: SourceTrack): string | undefined {
+    const codec = MASTROSKA_CODEC_MAP[track.codec]
+    if (!codec) return
+    return `${get_track_kind(track.kind)}/webm; codecs="${codec}"`
+}
+export function profile_to_partial_track(profile: EncodingProfile): SourceTrack {
+    if (profile.audio) {
+        return {
+            codec: FFMPEG_ENCODER_CODEC_MAP[profile.audio.codec],
+            kind: { audio: { bit_depth: 16, channels: 2, sample_rate: 48000 } },
+            name: "test audio",
+            language: "en"
+        }
+    } else if (profile.video) {
+        return {
+            codec: FFMPEG_ENCODER_CODEC_MAP[profile.video.codec],
+            kind: { video: { fps: 30, height: 1080, width: 1090 } },
+            language: "en",
+            name: "test video"
+        }
+    } else throw new Error("todo: subtitles");
+}
+
 const MASTROSKA_CODEC_MAP: { [key: string]: string } = {
     "V_VP9": "vp9",
     "V_VP8": "vp8",
@@ -58,6 +81,14 @@ const MASTROSKA_CODEC_MAP: { [key: string]: string } = {
     "S_TEXT/WEBVTT": "webvtt",
 }
 
+const FFMPEG_ENCODER_CODEC_MAP: { [key: string]: string } = {
+    "libsvtav1": "V_AV1",
+    "libvpx": "V_VP8",
+    "libvpx-vp9": "V_VP9",
+    "opus": "A_OPUS",
+    "libopus": "A_OPUS",
+}
+
 export function get_track_kind(track: SourceTrackKind): "audio" | "video" | "subtitles" {
     if (track.audio) return "audio"
     if (track.video) return "video"