get-video-duration
Version:
Get the duration of a video file
96 lines • 5.31 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
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if (y = 0, t) op = [op[0] & 2, t.value];
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case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getVideoDurationInSeconds = void 0;
var ffprobe = require("@ffprobe-installer/ffprobe");
var execa_1 = require("execa");
var is_stream_1 = require("is-stream");
var getFFprobeWrappedExecution = function (input, ffprobePath) {
var params = ["-v", "error", "-show_format", "-show_streams"];
var overridenPath = ffprobePath || ffprobe.path;
if (typeof input === "string") {
return (0, execa_1.execa)(overridenPath, __spreadArray(__spreadArray([], params, true), [input], false));
}
if ((0, is_stream_1.isStream)(input)) {
return (0, execa_1.execa)(overridenPath, __spreadArray(__spreadArray([], params, true), ["-i", "pipe:0"], false), {
reject: false,
input: input,
});
}
throw new Error("Given input was neither a string nor a Stream");
};
/**
* Returns a promise that will be resolved with the duration of given video in
* seconds.
*
* @param input Stream or URL or path to file to be used as
* input for `ffprobe`.
* @param [ffprobePath] Optional. Path to `ffprobe` binary. Do not provide any
* value for this parameter unless you need to override the path to `ffprobe`.
* Defaults to the path provided by `@ffprobe-installer/ffprobe`, which works in
* most environments.
*
* @return Promise that will be resolved with given video duration in
* seconds.
*/
var getVideoDurationInSeconds = function (input, ffprobePath) { return __awaiter(void 0, void 0, void 0, function () {
var stdout, matched;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, getFFprobeWrappedExecution(input, ffprobePath)];
case 1:
stdout = (_a.sent()).stdout;
matched = stdout === null || stdout === void 0 ? void 0 : stdout.match(/duration="?(\d*\.\d*)"?/);
if (matched === null || matched === void 0 ? void 0 : matched[1])
return [2 /*return*/, parseFloat(matched === null || matched === void 0 ? void 0 : matched[1])];
throw new Error("No duration found!");
}
});
}); };
exports.getVideoDurationInSeconds = getVideoDurationInSeconds;
exports.default = getVideoDurationInSeconds;
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