private FFmpegClass(AVClass *p) { if (p == null) { throw new ArgumentNullException(nameof(p)); } _p = p; }
/// <summary> /// Retrieves the options information associated with the given AVClass. /// </summary> /// <param name="avClass">The av class.</param> /// <returns>A list of option metadata</returns> public static unsafe List <OptionMeta> RetrieveOptions(AVClass *avClass) { // see: https://github.com/FFmpeg/FFmpeg/blob/e0f32286861ddf7666ba92297686fa216d65968e/tools/enum_options.c var result = new List <OptionMeta>(128); if (avClass == null) { return(result); } var option = avClass->option; while (option != null) { if (option->type != AVOptionType.AV_OPT_TYPE_CONST) { result.Add(new OptionMeta(option)); } option = ffmpeg.av_opt_next(avClass, option); } return(result); }
public static extern void sws_printVec2(SwsVector * @a, AVClass * @log_ctx, int @log_level);
public extern static void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
public static extern AVClass *av_opt_child_class_next(AVClass *parent, AVClass *prev);
public static extern void *av_opt_ptr(AVClass *avclass, void *obj, byte *name);
public static FFmpegClass?FromNativeOrNull(AVClass *p) => p != null ? new FFmpegClass(p) : null;
public static FFmpegClass FromNative(AVClass *p) => new FFmpegClass(p);