Function append_encode_only_args

ffmpeg/src/args.rs:193–205

(
    arg_str: &mut String,
    bitrate: u32,
    encoder: &String,
    encoder_args: &String,
)

}

fn append_encode_only_args(
    arg_str: &mut String,
    bitrate: u32,
    encoder: &String,
    encoder_args: &String,
) {
    arg_str.push_str([" -b:v", bitrate.to_string().as_str()].join(" ").as_str());
    // adding the rate amount to the end of the bitrate
    arg_str.push('M');
    arg_str.push_str([" -c:v", encoder.as_str()].join(" ").as_str());
    arg_str.push(' ');
    arg_str.push_str(encoder_args.as_str());
}

fn append_vmaf_only_args(arg_str: &mut String) {
    arg_str.push_str(