/// <summary>
/// Initializes a new <see cref="OpusEncoder"/> instance, with the specified codec usage tuning, sample rate and channels.
/// </summary>
/// <param name="optimized">The codec usage tuning.</param>
/// <param name="sampleRate">The sample rate in the input audio.</param>
/// <param name="audioChannels">The channels in the input audio - mono or stereo.</param>
public OpusEncoder(OpusOptimizer optimized, OpusSampleRate sampleRate, OpusAudioChannels audioChannels)
{
if (!Enum.IsDefined(typeof(OpusOptimizer), optimized))
{
throw new ArgumentException("Value is not defined in the enumeration.", nameof(optimized));
}
if (!Enum.IsDefined(typeof(OpusSampleRate), sampleRate))
{
throw new ArgumentException("Value is not defined in the enumeration.", nameof(sampleRate));
}
if (!Enum.IsDefined(typeof(OpusAudioCHannels), audioChannels))
{
throw new ArgumentException("Value is not defined in the enumeration.", nameof(audioChannels));
}
_handle = FFI.opus_encoder_create((int)sampleRate, (int)audioChannels, (int)optimized, out int error);
ThrowIfError(error);
Optimized = optimized;
SampleRate = sampleRate;
AudioChannels = audioChannels;
Bitrate = -1;
}
public static extern int opus_encoder_ctl(SafeEncoderHandle st, int request, int value);
public static extern int opus_encode(SafeEncoderHandle st, IntPtr pcm, int frame_size, IntPtr data, int max_data_bytes);