public override void OnStart(EncoderOption option)
{
this.option = option;
var audio_file = StoryboardInstanceManager.ActivityInstance?.Info?.audio_file_path;
audio_reader = new MediaReader(audio_file);
audio_decoder = audio_reader.Decoders.OfType <AudioDecoder>().FirstOrDefault();
#region Video Init
var video_format = new VideoFormat(option.Width, option.Height, AVPixelFormat.Bgr24);
var video_param = new VideoEncoderParameters()
{
FrameRate = new Fraction(option.FPS), BitRate = option.BitRate
};
video_encoder = new VideoEncoder(option.EncoderName, video_format, video_param);
#endregion Video Init
writer = new MediaWriter(option.OutputPath, false).AddEncoder(video_encoder);
if (audio_decoder != null)
{
audio_encoder = new AudioEncoder(audio_decoder.ID, audio_decoder.OutFormat, BitRate._192Kbps);
writer.AddEncoder(audio_encoder);
}
writer.Initialize();
Log.User($"Format :{video_format.ToString()}\nVideo Encoder :{video_encoder.ToString()}");
video_frame = new VideoFrame(video_format);
audio_frame = new AudioFrame(audio_decoder.OutFormat);
audio_encoding_thread = new Thread(AudioEncoding);
audio_encoding_thread.Name = "Audio Encoder Thread";
audio_encoding_thread.Start();
}
