public override void Apply(AudioWriterArgs audioWriterArgs, FFmpegOutputOptionArgs outputOptionArgs)
{
// quality: 0 (lowest) to 10 (highest)
var qscale = (10 * (audioWriterArgs.AudioQuality - 1)) / 99;
outputOptionArgs.SetAudioCodec(Codecs.FFmpegAudioCodec.libvorbis)
.AddArg("qscale:a", qscale);
}
public override void Apply(AudioWriterArgs audioWriterArgs, FFmpegOutputOptionArgs outputOptionArgs)
{
// quality: 9 (lowest) to 0 (highest)
var qscale = (100 - audioWriterArgs.AudioQuality) / 11;
outputOptionArgs.SetAudioCodec(Codecs.FFmpegAudioCodec.libmp3lame)
.AddArg("qscale:a", qscale);
}
public override void Apply(AudioWriterArgs audioWriterArgs, FFmpegOutputOptionArgs outputOptionArgs)
{
// bitrate: 32k to 512k (steps of 32k)
var b = 32 * (1 + (15 * (audioWriterArgs.AudioQuality - 1)) / 99);
outputOptionArgs.SetAudioCodec(Codecs.FFmpegAudioCodec.aac)
.AddArg("-strict -2")
.SetAudioBitrate($"{b}k")
;
}
public abstract void Apply(AudioWriterArgs audioWriterArgs, FFmpegOutputOptionArgs outputOptionArgs);
