n8n-nodes-mediafx
Version:
N8N custom nodes for video editing and media processing
61 lines (60 loc) • 2.82 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 (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.executeSingleVideoFade = void 0;
const n8n_workflow_1 = require("n8n-workflow");
const ffmpeg = require("fluent-ffmpeg");
const utils_1 = require("../utils");
const fs = __importStar(require("fs-extra"));
async function executeSingleVideoFade(input,
// effect is 'in' or 'out' from the UI options
effect, startTime, duration, outputFormat, itemIndex) {
const outputPath = (0, utils_1.getTempFile)(`.${outputFormat}`);
const command = ffmpeg(input);
// Apply both video and audio fades for a consistent effect
const videoFade = `fade=type=${effect}:st=${startTime}:d=${duration}`;
const audioFade = `afade=type=${effect}:st=${startTime}:d=${duration}`;
command.videoFilters(videoFade).audioFilters(audioFade);
command.save(outputPath);
try {
await (0, utils_1.runFfmpeg)(command);
return outputPath;
}
catch (error) {
// Clean up output file if creation failed
await fs.remove(outputPath).catch(() => { });
// If the video has no audio, ffmpeg might throw an error for afade.
// We provide a more descriptive error message in that case.
const errorMessage = error.message;
let displayMessage = `Error applying fade effect. Please check the effect parameters (start time, duration).`;
if (errorMessage.includes('Cannot find a matching stream for unlabeled')) {
displayMessage = `Error applying audio fade: The source video may not have an audio track.`;
}
throw new n8n_workflow_1.NodeOperationError(this.getNode(), `${displayMessage} FFmpeg error: ${errorMessage}`, {
itemIndex,
});
}
}
exports.executeSingleVideoFade = executeSingleVideoFade;