protected override void Dispose(bool disposing)
{
if (codecContext == null)
{
return;
}
FF.avcodec_close(codecContext);
codecContext = null;
}
internal static AVCodec *GetEncoder(AVCodecID codecID)
{
AVCodec *codec = FF.avcodec_find_encoder(codecID);
if (codec == null)
{
throw new ArgumentException($"未能找到编码器:{codecID}", nameof(codecID));
}
return(codec);
}
public static IReadOnlyList <CodecDescription> GetAllCodecs()
{
var list = new List <CodecDescription>();
AVCodec *codec = FF.av_codec_next(null);
while (codec != null)
{
list.Add(new CodecDescription(codec));
codec = FF.av_codec_next(codec);
}
return(list);
}