以下代码摘自OpenCvSharp

    //
    // 摘要:
    //     4-character code of codec used to compress the frames.
public readonly struct FourCC : IEquatable<FourCC>
    {
        public const int Default = -1;
        public const int Prompt = -1;
        public static readonly int MP42;
        public static readonly int IYUV;
        public static readonly int MJPG;
        public static readonly int M4S2;
        public static readonly int X264;
        public static readonly int MP43;
        public static readonly int MP4S;
        public static readonly int MP4V;
        public static readonly int MPG1;
        public static readonly int MPG2;
        public static readonly int MPG4;
        public static readonly int MSS1;
        public static readonly int MSS2;
        public static readonly int MSVC;
        public static readonly int JPEG;
        public static readonly int PIM1;
        public static readonly int WMV1;
        public static readonly int WMV2;
        public static readonly int WMV3;
        public static readonly int IYUB;
        public static readonly int IV50;
        public static readonly int IV41;
        public static readonly int IV32;
        public static readonly int AVC;
        public static readonly int CVID;
        public static readonly int DIB;
        public static readonly int DIV3;
        public static readonly int DIVX;
        public static readonly int DV25;
        public static readonly int DV50;
        public static readonly int DVC;
        public static readonly int WVC1;
        public static readonly int DVH1;
        public static readonly int DVSD;
        public static readonly int DVSL;
        public static readonly int H261;
        public static readonly int H263;
        public static readonly int H264;
        public static readonly int H265;
        public static readonly int HEVC;
        public static readonly int I420;
        public static readonly int DVHD;
        public static readonly int XVID;
}

问题

这么多压缩格式，哪些是.avi格式可以用的？哪些是.mp4格式可以用的?`