remove deprecated method

src/ffmpeg.js

@@ -65,74 +65,6 @@ class FFMPEG {
 			// TODO: Supports only fromFile
 		});
 	}
-
-	async convert(fromFile) {
-		return await new Promise((resolve, reject) => {
-			const isFromFile = fromFile instanceof FromFileFFMPEG;
-			// TODO: Off convert method
-			console.trace("Deprecated. Off [ffmpeg].convert() on:");
-			if (isFromFile) {
-				return resolve(fromFile.source);
-			}
-			const returnStream = !this.isBuffer ?
-				this.data : Readable.from(this.data);
-			return resolve(returnStream);
-			
-			const ffmpegArgs = !isFromFile ? [
-				"-i",
-				"pipe:0",
-				"-c:v",
-				"libx264",
-				"-profile:v",
-				"high",
-				"-level",
-				"4.1",
-				"-c:a",
-				"aac",
-				"-crf",
-				"26",
-				"-preset",
-				"medium",
-				"-movflags",
-				"+frag_keyframe+empty_moov+default_base_moof",
-				"-f",
-				"mp4",
-				"pipe:1",
-			] : fromFile.args;
-			//console.debug("ffmpeg", ...ffmpegArgs);
-			const ff = spawn("ffmpeg", ffmpegArgs);
-			
-			let errData = "";
-			ff.stderr.on("data", (chunk) => (errData += chunk.toString()));
-			if (isFromFile) {
-				ff.on("close", (code) => {
-					if (code !== 0) {
-						return reject(new Error(`FFMPEG exited with code ${code}\n${errData}`));
-					}
-					resolve(fromFile.video);
-				});
-				
-				return;
-			}
-
-			const inputStream = this.isBuffer ? Readable.from(this.data) : this.data;
-
-			inputStream.pipe(ff.stdin);
-
-			const output = new PassThrough();
-			ff.stdout.pipe(output);
-
-			ff.on("close", (code) => {
-				if (code !== 0) {
-					reject(new Error(`FFMPEG exited with code ${code}\n${errData}`));
-				}
-			});
-
-			ff.on("error", reject);
-
-			resolve(output);
-		});
-	}
 }
 
 module.exports = FFMPEG;