C#FFmpeg命令实现库 > FFStreams

FFStreams 是反序列化媒体信息时使用的类结构

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace FFmpegLib
{
    /// <summary>
    /// ff返回数据中的音频信息中的重要信息
    /// </summary>
    public interface IFFAudioStream
    {
        /// <summary>
        /// 编码名称，一般为avg等
        /// </summary>
        string Codec { get; }
        /// <summary>
        /// 编码详细名称。含有编码详细信息
        /// </summary>
        string CodecLong { get; }
        /// <summary>
        /// 数据编码格式
        /// </summary>
        string Sample { get; }
        /// <summary>
        /// 采样率
        /// </summary>
        string Sample { get; }
        /// <summary>
        /// 通道个数
        /// </summary>
        int Channel { get; }
        /// <summary>
        /// 通道布局，比如立体声，5.1,7.1等
        /// </summary>
        string ChannelLayout { get; }
        /// <summary>
        /// 总时长的tick
        /// </summary>
        long Duration { get; }
        /// <summary>
        /// 总时长的字符串表示，单位秒，浮点数
        /// </summary>
        string Durations { get; }
        /// <summary>
        /// 码率，一般为采样率*通道数*采样位数
        /// </summary>
        string BitRate { get; }
        /// <summary>
        /// 采样位数，一般为8,12,16,24等
        /// </summary>
        int BitPerSample { get; }
    }
    /// <summary>
    /// ff返回的视频信息中的重要信息
    /// </summary>
    public interface IFFVideoStream
    {
        /// <summary>
        /// 编码名称，一般为h264等
        /// </summary>
        string Codec { get; }
        /// <summary>
        /// 编码详细名称。含有编码详细信息
        /// </summary>
        string CodecLong { get; }
        /// <summary>
        /// 视频的宽度
        /// </summary>
        int Width { get; }
        /// <summary>
        /// 视频的高度
        /// </summary>
        int Height { get; }
        /// <summary>
        /// 视频宽高比
        /// </summary>
        string DisplayAspect { get; }
        /// <summary>
        /// 总时长的tick
        /// </summary>
        long Duration { get; }
        /// <summary>
        /// 总时长的字符串表示，单位秒，浮点数
        /// </summary>
        string Durations { get; }
        /// <summary>
        /// 码率，一般为帧数据大小*帧率
        /// </summary>
        string BitRate { get; }
        /// <summary>
        /// 帧率
        /// </summary>
        string RFrameRate { get; }
    }
    /// <summary>
    /// ffprobe输出的json格式的结构体内容中单个流内容
    /// </summary>
    public class FFStream : IFFAudioStream, IFFVideoStream
    {
        /// <summary>
        /// 编号
        /// </summary>
        [Newtonsoft.Json.JsonProperty("index")]
        public int Index { get; set; }
        /// <summary>
        /// 编码的名称
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec_name")]
        public string Codec { get; set; }
        /// <summary>
        /// 编码的详细名称
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec_long_name")]
        public string CodecLong { get; set; }
        /// <summary>
        /// 编码等级
        /// </summary>
        [Newtonsoft.Json.JsonProperty("profile")]
        public string Profile { get; set; }
        /// <summary>
        /// 编码类型,audio,video等
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec")]
        public string Codec { get; set; }
        /// <summary>
        /// 编码的时间基准？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec_time_base")]
        public string CodecTimeBase { get; set; }
        /// <summary>
        /// 编码相关字符串
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec_tag_string")]
        public string CodecTagString { get; set; }
        /// <summary>
        /// 编码相关二进制值
        /// </summary>
        [Newtonsoft.Json.JsonProperty("codec")]
        public string Codec { get; set; }
        /// <summary>
        /// 音频格式
        /// </summary>
        [Newtonsoft.Json.JsonProperty("sample_fmt")]
        public string SampleFmt { get; set; }
        /// <summary>
        /// 音频采样率
        /// </summary>
        [Newtonsoft.Json.JsonProperty("sample_rate")]
        public string SampleRate { get; set; }
        /// <summary>
        /// 音频通道数
        /// </summary>
        [Newtonsoft.Json.JsonProperty("channels")]
        public int Channels { get; set; }
        /// <summary>
        /// 音频通道的布局？stereo=立体声
        /// </summary>
        [Newtonsoft.Json.JsonProperty("channel_layout")]
        public string ChannelLayout { get; set; }
        /// <summary>
        /// 采样位数
        /// </summary>
        [Newtonsoft.Json.JsonProperty("bits_per_sample")]
        public int BitsPerSample { get; set; }
        /// <summary>
        /// 视频宽度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("width")]
        public int Width { get; set; }
        /// <summary>
        /// 视频高度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("height")]
        public int Height { get; set; }
        /// <summary>
        /// 编码宽度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("coded_width")]
        public int CodedWidth { get; set; }
        /// <summary>
        /// 编码高度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("coded_height")]
        public int CodedHeight { get; set; }
        /// <summary>
        /// 枚举类型，是否含有b帧？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("has_b_frames")]
        public int HasBFrames { get; set; }
        /// <summary>
        /// 纵横比
        /// </summary>
        [Newtonsoft.Json.JsonProperty("sample_aspect")]
        public string SampleAspect { get; set; }
        /// <summary>
        /// 宽高比
        /// </summary>
        [Newtonsoft.Json.JsonProperty("display_aspect_ratio")]
        public string DisplayAspectRatio { get; set; }
        /// <summary>
        /// 像素格式
        /// </summary>
        [Newtonsoft.Json.JsonProperty("pix_fmt")]
        public string PixFmt { get; set; }

        /// <summary>
        /// 压缩等级
        /// </summary>
        [Newtonsoft.Json.JsonProperty("level")]
        public int Level { get; set; }
        /// <summary>
        /// 颜色范围
        /// </summary>
        [Newtonsoft.Json.JsonProperty("color_range")]
        public string ColorRange { get; set; }
        /// <summary>
        /// 颜色空间
        /// </summary>
        [Newtonsoft.Json.JsonProperty("color_space")]
        public string ColorSpace { get; set; }
        /// <summary>
        /// 透明色
        /// </summary>
        [Newtonsoft.Json.JsonProperty("color_transfer")]
        public string ColorTransfer { get; set; }
        /// <summary>
        /// 主色调
        /// </summary>
        [Newtonsoft.Json.JsonProperty("color_primaries")]
        public string ColorPrimaries { get; set; }
        /// <summary>
        /// 色饱和度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("chroma_location")]
        public string ChromaLocation { get; set; }
        /// <summary>
        /// 频次？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("refs")]
        public int Refs { get; set; }
        /// <summary>
        /// 是否是avc格式？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("is_avc")]
        public string IsAvc { get; set; }
        /// <summary>
        /// NALu长度
        /// </summary>
        [Newtonsoft.Json.JsonProperty("nal_length_size")]
        public string NalLengthSize { get; set; }
        /// <summary>
        /// 帧率每秒
        /// </summary>
        [Newtonsoft.Json.JsonProperty("r_frame_rate")]
        public string RFrameRate { get; set; }
        /// <summary>
        /// 帧率每?
        /// </summary>
        [Newtonsoft.Json.JsonProperty("avg_frame_rate")]
        public string AvgFrameRate { get; set; }
        /// <summary>
        /// 时间基准？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("time_base")]
        public string TimeBase { get; set; }
        /// <summary>
        /// 起始？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("start_pts")]
        public long StartPts { get; set; }
        /// <summary>
        /// 开始时间？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("start_time")]
        public string StartTime { get; set; }
        /// <summary>
        /// 总时长的tick时间
        /// </summary>
        [Newtonsoft.Json.JsonProperty("duration_ts")]
        public long DurationTs { get; set; }
        /// <summary>
        /// 总时长的秒数浮点时间
        /// </summary>
        [Newtonsoft.Json.JsonProperty("duration")]
        public string Duration { get; set; }
        /// <summary>
        /// 码率
        /// </summary>
        [Newtonsoft.Json.JsonProperty("bit_rate")]
        public string BitRate { get; set; }
        /// <summary>
        /// 最大码率
        /// </summary>
        [Newtonsoft.Json.JsonProperty("max_bit_rate")]
        public string MaxBitRate { get; set; }
        /// <summary>
        /// 样本位数
        /// </summary>
        [Newtonsoft.Json.JsonProperty("bits_per_raw_sample")]
        public string BitsPerRawSample { get; set; }
        /// <summary>
        /// 帧率？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("nb_frames")]
        public string NbFrames { get; set; }
        /// <summary>
        /// 
        /// </summary>
        [Newtonsoft.Json.JsonProperty("disposition")]
        public FFDisposition Disposition { get; set; }
        /// <summary>
        /// 
        /// </summary>
        [Newtonsoft.Json.JsonProperty("tags")]
        public FFTags Tags { get; set; }
        /// <summary>
        /// 
        /// </summary>
        [Newtonsoft.Json.JsonProperty("side_data_list")]
        public FFSideData[] SideDataList { get; set; }
    }
    /// <summary>
    /// 数据处理？
    /// </summary>
    public class FFDisposition
    {
        /// <summary>
        /// 默认？？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("default")]
        public int Default { get; set; }
        /// <summary>
        /// dub音效？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("dub")]
        public int Dub { get; set; }
        /// <summary>
        /// 原始值？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("original")]
        public int Original { get; set; }
        /// <summary>
        /// 评论？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("comment")]
        public int Comment { get; set; }
        /// <summary>
        /// 歌词？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("lyrics")]
        public int Lyrics { get; set; }
        /// <summary>
        /// 卡拉ok？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("karaoke")]
        public int Karaoke { get; set; }
        /// <summary>
        /// 强迫？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("forced")]
        public int Forced { get; set; }
        /// <summary>
        /// 破音？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("hearing_impaired")]
        public int HearingImpaired { get; set; }
        /// <summary>
        /// 幻视？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("visual_impaired")]
        public int VisualImpaired { get; set; }
        /// <summary>
        /// 过场特效？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("clean_effects")]
        public int CleanEffects { get; set; }
        /// <summary>
        /// 附件图片？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("attached_pic")]
        public int AttachedPic { get; set; }
        /// <summary>
        /// 缩略图？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("timed_thumbnails")]
        public int TimedThumbnails { get; set; }
    }
    /// <summary>
    /// ff编码相关标签？
    /// </summary>
    public class FFTags
    {
        /// <summary>
        /// 旋转角度？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("rotate")]
        public string Rotate { get; set; }
        /// <summary>
        /// 创建时间？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("creation_time")]
        public DateTime CreationTime { get; set; }
        /// <summary>
        /// 语言？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("language")]
        public string Language { get; set; }
        /// <summary>
        /// 创建时用的创建对象名称？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("handler_name")]
        public string HandlerName { get; set; }
    }
    /// <summary>
    /// ff侧面数据？
    /// </summary>
    public class FFSideData
    {
        /// <summary>
        /// 类型
        /// </summary>
        [Newtonsoft.Json.JsonProperty("side_data_type")]
        public string SideDataType { get; set; }
        /// <summary>
        /// 显示矩阵信息
        /// </summary>
        [Newtonsoft.Json.JsonProperty("displaymatrix")]
        public string DisplayMatrix { get; set; }
        /// <summary>
        /// 显示方向？
        /// </summary>
        [Newtonsoft.Json.JsonProperty("rotation")]
        public int Rotation { get; set; }
    }
    /// <summary>
    /// ffprobe输出的json格式的结构体
    /// </summary>
    public class FFStreams
    {
        /// <summary>
        /// 多个流内容
        /// </summary>
        [Newtonsoft.Json.JsonProperty("streams")]
        public FFStream[] Streams { get; set; }
        /// <summary>
        /// 获取可能存在的音频编码信息
        /// </summary>
        [Newtonsoft.Json.JsonIgnore]
        public IFFAudioStream[] AudioStream => Streams.Where(x => x.CodecType == "audio").ToArray();
        /// <summary>
        /// 获取可能存在的视频流信息
        /// </summary>
        [Newtonsoft.Json.JsonIgnore]
        public IFFVideoStream[] VideoStream => Streams.Where(x => x.CodecType == "video").ToArray();
        /// <summary>
        /// 将ff返回的数据反编译
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public static FFStreams Parse(string data) => Newtonsoft.Json.JsonConvert.DeserializeObject<FFStreams>(data);
    }
}