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ffmpegConvert();

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waveringana 2023-10-30 12:00:41 -04:00
parent 6d779e7811
commit 9fedc71337
1 changed files with 92 additions and 104 deletions
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112
app/lib/ffmpeg.ts
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@ -13,7 +13,7 @@ import which from 'which';
* @property {string} NVIDIA - Uses the h264_nvenc codec for NVIDIA GPU-based encoding * @property {string} NVIDIA - Uses the h264_nvenc codec for NVIDIA GPU-based encoding
* @property {string} AMD - Uses the h264_amf codec for AMD GPU-based encoding * @property {string} AMD - Uses the h264_amf codec for AMD GPU-based encoding
* @property {string} INTEL - Uses the h264_qsv codec for Intel GPU-based encoding * @property {string} INTEL - Uses the h264_qsv codec for Intel GPU-based encoding
* @property {string} APPLE - Uses the h264_videotoolbox codec for Apple GPU-based encoding * @property {string} APPLE - Uses the h264_videotoolbox codec for Apple GPU/MediaEngine-based encoding
*/ */
export enum EncodingType { export enum EncodingType {
CPU = 'libx264', CPU = 'libx264',
@ -24,7 +24,7 @@ export enum EncodingType {
} }
/** /**
* The current encoding type being used for video encoding. * The current encoding type being used for video encoding. Default is CPU
* @type {EncodingType} * @type {EncodingType}
*/ */
export let currentEncoding: EncodingType = EncodingType.CPU; export let currentEncoding: EncodingType = EncodingType.CPU;
@ -104,27 +104,9 @@ export const ffmpegDownscale = (path: string, filename: string, extension: strin
'-vf', 'scale=-2:720', '-vf', 'scale=-2:720',
'-c:v', currentEncoding, '-c:v', currentEncoding,
'-c:a', 'copy', '-c:a', 'copy',
"-pix_fmt", "yuv420p",
]; ];
// Adjust output options based on encoder for maximum quality
switch (currentEncoding) {
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) => { return new Promise<void>((resolve, reject) => {
ffmpeg() ffmpeg()
.input(path) .input(path)
@ -139,50 +121,56 @@ export const ffmpegDownscale = (path: string, filename: string, extension: strin
}); });
} }
/** Converts video to gif and vice versa using ffmpeg */ /**
/**export const convert: Middleware = (req, res, next) => { * Convert a video to a gif or vice versa using ffmpeg with various encoding options.
const files = req.files as Express.Multer.File[]; *
* @param {string} path - The input video file path.
for (const file in files) { * @param {string} filename - The name of the file.
const nameAndExtension = extension(files[file].originalname); * @param {string} extension - The file extension of the file
* @returns {Promise<void>} - A promise that resolves when the conversion is complete, and rejects on error.
if (videoExtensions.includes(nameAndExtension[1])) { *
console.log("Converting " + nameAndExtension[0] + nameAndExtension[1] + " to gif"); * @example
console.log(`Using ${currentEncoding} as encoder`); * ffmpegConvert('input.mp4').then(() => {
* console.log('Conversion complete.');
* }).catch((error) => {
* console.log(`Error: ${error}`);
* });
*/
export const ffmpegConvert = (path: string, filename: string, extension: string) => {
const startTime = Date.now(); const startTime = Date.now();
const outputOptions = [
'-vf', 'scale=-2:720',
'-c:v', currentEncoding,
'-c:a', 'copy',
"-movflags", "+faststart",
"-pix_fmt", "yuv420p",
]
let outputFormat: string;
if (videoExtensions.includes(extension)) {
outputFormat = '.gif';
} else if (extension == '.gif') {
outputFormat = '.mp4';
} else {
return new Promise<void>((resolve, reject) => {
reject(`Submitted file is neither a video nor a gif: ${path}`);
});
}
return new Promise<void>((resolve, reject) => {
ffmpeg() ffmpeg()
.input(`uploads/${nameAndExtension[0]}${nameAndExtension[1]}`) .input(path)
.inputFormat(nameAndExtension[1].substring(1)) .outputOptions(outputOptions)
.outputOptions(`-c:v ${currentEncoding}`) .output(`uploads/`)
.outputFormat("gif") .outputFormat(outputFormat)
.output(`uploads/${nameAndExtension[0]}.gif`) .output(`uploads/${filename}${outputFormat}`)
.on("end", function() { .on("end", function() {
console.log(`Conversion complete, took ${Date.now() - startTime} to complete`); console.log(`Conversion complete, took ${Date.now() - startTime} to complete`);
console.log(`Uploaded to uploads/${nameAndExtension[0]}.gif`); console.log(`uploads/${filename}${outputFormat}`);
resolve();
}) })
.on("error", (e) => console.log(e)) .on("error", (e) => reject(e))
.run(); .run();
} else if (nameAndExtension[1] == ".gif") { });
console.log(`Converting ${nameAndExtension[0]}${nameAndExtension[1]} to mp4`); }
console.log(`Using ${currentEncoding} as encoder`);
const startTime = Date.now();
ffmpeg(`uploads/${nameAndExtension[0]}${nameAndExtension[1]}`)
.inputFormat("gif")
.outputFormat("mp4")
.outputOptions([
"-pix_fmt yuv420p",
`-c:v ${currentEncoding}`,
"-movflags +faststart"
])
.noAudio()
.output(`uploads/${nameAndExtension[0]}.mp4`)
.on("end", function() {
console.log(`Conversion complete, took ${Date.now() - startTime} to complete`);
console.log(`Uploaded to uploads/${nameAndExtension[0]}.mp4`);
next();
})
.run();
}
}
};**/