init commit

remotion/node_modules/@remotion/renderer/dist/assets/apply-tone-frequency.js

@@ -0,0 +1,34 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.applyToneFrequencyUsingFfmpeg = void 0;
+const call_ffmpeg_1 = require("../call-ffmpeg");
+const logger_1 = require("../logger");
+const sample_rate_1 = require("../sample-rate");
+const applyToneFrequencyUsingFfmpeg = async ({ input, output, toneFrequency, indent, logLevel, binariesDirectory, cancelSignal, }) => {
+    const filter = `asetrate=${sample_rate_1.DEFAULT_SAMPLE_RATE}*${toneFrequency},aresample=${sample_rate_1.DEFAULT_SAMPLE_RATE},atempo=1/${toneFrequency}`;
+    const args = [
+        '-hide_banner',
+        '-i',
+        input,
+        ['-ac', '2'],
+        '-filter:a',
+        filter,
+        ['-c:a', 'pcm_s16le'],
+        ['-ar', String(sample_rate_1.DEFAULT_SAMPLE_RATE)],
+        '-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;