Files
mal/static/player/source.ts

75 lines
2.5 KiB
TypeScript

import { state } from "./state";
import { safeLocalStorage } from "./storage";
import { isRecord, parseModeSources, parseSegments } from "./validate";
import { loadVideoSource } from "./video";
export const streamUrlForMode = (mode: string, quality?: string): string => {
const src = state.playback.modeSources[mode];
if (!src?.token) {
return "";
}
let url = `${state.playback.streamURL}?mode=${encodeURIComponent(mode)}&token=${encodeURIComponent(src.token)}`;
if (src.type === "m3u8") {
url += "&hls=1";
}
if (quality && quality !== "best") {
url += `&quality=${encodeURIComponent(quality)}`;
}
return url;
};
const loadCurrentModeSource = async (
signal: AbortSignal | undefined,
forceRefresh: boolean,
): Promise<boolean> => {
const mode = state.playback.currentMode;
const res = await fetch(
`/api/watch/episode/${state.episode.malID}/${encodeURIComponent(state.episode.current)}?mode=${encodeURIComponent(mode)}${forceRefresh ? "&refresh=1" : ""}`,
{ signal },
);
if (!res.ok) {
throw new Error(`mode source refresh failed with status ${res.status}`);
}
const data: unknown = await res.json();
if (!isRecord(data)) {
return false;
}
const sources = parseModeSources(data.mode_sources);
const initialMode = typeof data.initial_mode === "string" ? data.initial_mode : "";
let selectedMode = Object.keys(sources).find((candidate) => sources[candidate]?.token) ?? "";
if (sources[initialMode]?.token) {
selectedMode = initialMode;
}
if (sources[mode]?.token) {
selectedMode = mode;
}
const source = sources[selectedMode];
if (!source?.token) {
return false;
}
state.playback.modeSources = { ...state.playback.modeSources, ...sources };
state.playback.currentMode = selectedMode;
state.playback.modeSwitchedFrom =
typeof data.mode_switched_from === "string" ? data.mode_switched_from : "";
const startTime = Number(data.start_time_seconds);
if (Number.isFinite(startTime) && startTime > 0) {
state.playback.startTimeSeconds = startTime;
}
state.skip.parsedSegments = parseSegments(data.segments);
const preferredQuality = safeLocalStorage.getItem("mal:preferred-quality") || "best";
loadVideoSource(streamUrlForMode(selectedMode, preferredQuality), source.type);
return true;
};
export const resolveCurrentModeSource = (signal?: AbortSignal): Promise<boolean> =>
loadCurrentModeSource(signal, false);
export const refreshCurrentModeSource = (signal?: AbortSignal): Promise<boolean> =>
loadCurrentModeSource(signal, true);