remotion
Version:
Make videos programmatically
139 lines (138 loc) • 5.91 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.useIsPlayerBuffering = exports.BufferingProvider = exports.BufferingContextReact = void 0;
const jsx_runtime_1 = require("react/jsx-runtime");
const react_1 = __importStar(require("react"));
const log_level_context_1 = require("./log-level-context");
const playback_logging_1 = require("./playback-logging");
const useBufferManager = (logLevel, mountTime) => {
const [blocks, setBlocks] = (0, react_1.useState)([]);
const [onBufferingCallbacks, setOnBufferingCallbacks] = (0, react_1.useState)([]);
const [onResumeCallbacks, setOnResumeCallbacks] = (0, react_1.useState)([]);
const buffering = (0, react_1.useRef)(false);
const addBlock = (0, react_1.useCallback)((block) => {
setBlocks((b) => [...b, block]);
return {
unblock: () => {
setBlocks((b) => {
const newArr = b.filter((bx) => bx !== block);
if (newArr.length === b.length) {
return b;
}
return newArr;
});
},
};
}, []);
const listenForBuffering = (0, react_1.useCallback)((callback) => {
setOnBufferingCallbacks((c) => [...c, callback]);
return {
remove: () => {
setOnBufferingCallbacks((c) => c.filter((cb) => cb !== callback));
},
};
}, []);
const listenForResume = (0, react_1.useCallback)((callback) => {
setOnResumeCallbacks((c) => [...c, callback]);
return {
remove: () => {
setOnResumeCallbacks((c) => c.filter((cb) => cb !== callback));
},
};
}, []);
(0, react_1.useEffect)(() => {
if (blocks.length > 0) {
onBufferingCallbacks.forEach((c) => c());
(0, playback_logging_1.playbackLogging)({
logLevel,
message: 'Player is entering buffer state',
mountTime,
tag: 'player',
});
}
// Intentionally only firing when blocks change, not the callbacks
// otherwise a buffering callback might remove itself after being called
// and trigger again
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [blocks]);
if (typeof window !== 'undefined') {
// eslint-disable-next-line react-hooks/rules-of-hooks
(0, react_1.useLayoutEffect)(() => {
if (blocks.length === 0) {
onResumeCallbacks.forEach((c) => c());
(0, playback_logging_1.playbackLogging)({
logLevel,
message: 'Player is exiting buffer state',
mountTime,
tag: 'player',
});
}
// Intentionally only firing when blocks change, not the callbacks
// otherwise a resume callback might remove itself after being called
// and trigger again
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [blocks]);
}
return (0, react_1.useMemo)(() => {
return { addBlock, listenForBuffering, listenForResume, buffering };
}, [addBlock, buffering, listenForBuffering, listenForResume]);
};
exports.BufferingContextReact = react_1.default.createContext(null);
const BufferingProvider = ({ children }) => {
const { logLevel, mountTime } = (0, react_1.useContext)(log_level_context_1.LogLevelContext);
const bufferManager = useBufferManager(logLevel !== null && logLevel !== void 0 ? logLevel : 'info', mountTime);
return ((0, jsx_runtime_1.jsx)(exports.BufferingContextReact.Provider, { value: bufferManager, children: children }));
};
exports.BufferingProvider = BufferingProvider;
const useIsPlayerBuffering = (bufferManager) => {
const [isBuffering, setIsBuffering] = (0, react_1.useState)(bufferManager.buffering.current);
(0, react_1.useEffect)(() => {
const onBuffer = () => {
setIsBuffering(true);
};
const onResume = () => {
setIsBuffering(false);
};
bufferManager.listenForBuffering(onBuffer);
bufferManager.listenForResume(onResume);
return () => {
bufferManager.listenForBuffering(() => undefined);
bufferManager.listenForResume(() => undefined);
};
}, [bufferManager]);
return isBuffering;
};
exports.useIsPlayerBuffering = useIsPlayerBuffering;