embedder/tests/ffmpeg.ts
2023-11-18 12:53:15 -05:00

119 lines
3.1 KiB
TypeScript

import ffmpeg from "fluent-ffmpeg";
import ffmpegInstaller from "@ffmpeg-installer/ffmpeg";
import ffprobeInstaller from "@ffprobe-installer/ffprobe";
import which from "which";
const getExecutablePath = (
envVar: string,
executable: string,
installer: { path: string },
) => {
if (process.env[envVar]) {
return process.env[envVar];
}
try {
return which.sync(executable);
} catch (error) {
return installer.path;
}
};
const ffmpegPath = getExecutablePath(
"EB_FFMPEG_PATH",
"ffmpeg",
ffmpegInstaller,
);
const ffprobePath = getExecutablePath(
"EB_FFPROBE_PATH",
"ffprobe",
ffprobeInstaller,
);
console.log(`Using ffmpeg from path: ${ffmpegPath}`);
console.log(`Using ffprobe from path: ${ffprobePath}`);
ffmpeg.setFfmpegPath(ffmpegPath!);
ffmpeg.setFfprobePath(ffprobePath!);
export enum EncodingType {
CPU = "libx264",
NVIDIA = "h264_nvenc",
AMD = "h264_amf",
INTEL = "h264_qsv",
APPLE = "h264_videotoolbox",
}
export const generateTestVideo = async (
encodingType: EncodingType,
): Promise<void> => {
console.log(`Generating test video using ${encodingType}...`);
const startTime = Date.now();
let totalFrames = 0;
const outputOptions = [
"-vf",
"scale=-2:720",
"-vcodec",
encodingType,
"-c:a",
"copy",
"-b:v",
"5000k",
"-pix_fmt",
"yuv420p",
];
// Adjust output options based on encoder for maximum quality
switch (encodingType) {
case EncodingType.CPU:
//outputOptions.push('-crf', '0');
break;
case EncodingType.NVIDIA:
outputOptions.push("-rc", "cqp", "-qp", "0");
break;
case EncodingType.AMD:
outputOptions.push("-qp_i", "0", "-qp_p", "0", "-qp_b", "0");
break;
case EncodingType.INTEL:
outputOptions.push("-global_quality", "1"); // Intel QSV specific setting for high quality
break;
case EncodingType.APPLE:
outputOptions.push("-global_quality", "1");
break;
}
return new Promise<void>((resolve, reject) => {
ffmpeg()
.input("unknown_replay_2023.10.29-22.57-00.00.38.103-00.01.00.016.mp4")
.inputFormat("mp4")
.outputOptions(outputOptions)
.output(`720p-test-${encodingType}.mp4`)
.on("progress", (progress) => {
totalFrames = progress.frames;
})
.on("end", () => {
const elapsedTime = (Date.now() - startTime) / 1000; // Convert to seconds
const avgFps = totalFrames / elapsedTime;
console.log(
`720p copy complete using ${encodingType}, took ${
Date.now() - startTime
}ms to complete`,
);
console.log(`Average FPS for the entire process: ${avgFps.toFixed(2)}`);
resolve();
})
.on("error", (e) => reject(new Error(e)))
.run();
});
};
// Test commands (uncomment to use)
// generateTestVideo(EncodingType.CPU).catch(console.error);
// generateTestVideo(EncodingType.AMD).catch(console.error);
// generateTestVideo(EncodingType.INTEL).catch(console.error);
// generateTestVideo(EncodingType.NVIDIA).catch(console.error);
// generateTestVideo(EncodingType.APPLE).catch(console.error);