split

type Argument struct {
	StreamFormat    *StreamFormat
	Auto            bool
	Scale           int64
	Start           string
	End             string
	Output          string
	Video           string
	Audio           string
	M3U8            string
	SegmentFileName string
	HLSTime         int

	BitRate   int64
	FrameRate float64
	ShowLog   bool
	// contains filtered or unexported fields
}

type ArgumentOptions func(args *Argument)

type Command struct {
	Path string
	Name string
	Args []string
}

type Context interface {
	Cancel()
	Add(int)
	Waiting() <-chan bool
	Wait()
	Done()
	Context() context.Context
}

type FileInfo struct {
	Ext       string //扩展名
	Caption   string //字幕
	Language  string //语种
	Audio     string //音频
	Video     string //视频
	Sharpness string //清晰度
	Date      string //年份
	CName     string //中文名
	EName     string //英文名
	Prefix    string //前缀(广告信息)
}

type Format struct {
	Filename       string     `json:"filename"`
	NbStreams      int64      `json:"nb_streams"`
	NbPrograms     int64      `json:"nb_programs"`
	FormatName     string     `json:"format_name"`
	FormatLongName string     `json:"format_long_name"`
	StartTime      string     `json:"start_time"`
	Duration       string     `json:"duration"`
	Size           string     `json:"size"`
	BitRate        string     `json:"bit_rate"`
	ProbeScore     int64      `json:"probe_score"`
	Tags           FormatTags `json:"tags"`
}

type FormatTags struct {
	MajorBrand       string `json:"major_brand"`
	MinorVersion     string `json:"minor_version"`
	CompatibleBrands string `json:"compatible_brands"`
	Encoder          string `json:"encoder"`
}

type Stream struct {
	Index              int64            `json:"index"`
	CodecName          string           `json:"codec_name"`
	CodecLongName      string           `json:"codec_long_name"`
	Profile            string           `json:"profile"`
	CodecType          string           `json:"codec_type"`
	CodecTimeBase      string           `json:"codec_time_base"`
	CodecTagString     string           `json:"codec_tag_string"`
	CodecTag           string           `json:"codec_tag"`
	Width              *int64           `json:"width,omitempty"`
	Height             *int64           `json:"height,omitempty"`
	CodedWidth         *int64           `json:"coded_width,omitempty"`
	CodedHeight        *int64           `json:"coded_height,omitempty"`
	HasBFrames         *int64           `json:"has_b_frames,omitempty"`
	SampleAspectRatio  *string          `json:"sample_aspect_ratio,omitempty"`
	DisplayAspectRatio *string          `json:"display_aspect_ratio,omitempty"`
	PixFmt             *string          `json:"pix_fmt,omitempty"`
	Level              *int64           `json:"level,omitempty"`
	ColorRange         *string          `json:"color_range,omitempty"`
	ColorSpace         *string          `json:"color_space,omitempty"`
	ColorTransfer      *string          `json:"color_transfer,omitempty"`
	ColorPrimaries     *string          `json:"color_primaries,omitempty"`
	ChromaLocation     *string          `json:"chroma_location,omitempty"`
	Refs               *int64           `json:"refs,omitempty"`
	IsAVC              *string          `json:"is_avc,omitempty"`
	NalLengthSize      *string          `json:"nal_length_size,omitempty"`
	RFrameRate         string           `json:"r_frame_rate"`
	AvgFrameRate       string           `json:"avg_frame_rate"`
	TimeBase           string           `json:"time_base"`
	StartPts           int64            `json:"start_pts"`
	StartTime          string           `json:"start_time"`
	DurationTs         int64            `json:"duration_ts"`
	Duration           string           `json:"duration"`
	BitRate            string           `json:"bit_rate"`
	BitsPerRawSample   *string          `json:"bits_per_raw_sample,omitempty"`
	NbFrames           string           `json:"nb_frames"`
	Disposition        map[string]int64 `json:"disposition"`
	Tags               StreamTags       `json:"tags"`
	SampleFmt          *string          `json:"sample_fmt,omitempty"`
	SampleRate         *string          `json:"sample_rate,omitempty"`
	Channels           *int64           `json:"channels,omitempty"`
	ChannelLayout      *string          `json:"channel_layout,omitempty"`
	BitsPerSample      *int64           `json:"bits_per_sample,omitempty"`
	MaxBitRate         *string          `json:"max_bit_rate,omitempty"`
}

type StreamFormat struct {
	Streams []Stream `json:"streams"`
	Format  Format   `json:"format"`
}

type StreamTags struct {
	Language    string `json:"language"`
	HandlerName string `json:"handler_name"`
}