@remotion/renderer
Version:
Render Remotion videos using Node.js or Bun
34 lines (33 loc) • 1.28 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.applyToneFrequencyUsingFfmpeg = void 0;
const call_ffmpeg_1 = require("../call-ffmpeg");
const logger_1 = require("../logger");
const applyToneFrequencyUsingFfmpeg = async ({ input, output, toneFrequency, indent, logLevel, binariesDirectory, cancelSignal, sampleRate, }) => {
const filter = `asetrate=${sampleRate}*${toneFrequency},aresample=${sampleRate},atempo=1/${toneFrequency}`;
const args = [
'-hide_banner',
'-i',
input,
['-ac', '2'],
'-filter:a',
filter,
['-c:a', 'pcm_s16le'],
['-ar', String(sampleRate)],
'-y',
output,
].flat(2);
logger_1.Log.verbose({ indent, logLevel }, 'Changing tone frequency using FFmpeg:', JSON.stringify(args.join(' ')), 'Filter:', filter);
const startTimestamp = Date.now();
const task = (0, call_ffmpeg_1.callFf)({
bin: 'ffmpeg',
args,
indent,
logLevel,
binariesDirectory,
cancelSignal,
});
await task;
logger_1.Log.verbose({ indent, logLevel }, 'Changed tone frequency using FFmpeg', `${Date.now() - startTimestamp}ms`);
};
exports.applyToneFrequencyUsingFfmpeg = applyToneFrequencyUsingFfmpeg;