wtff – zgo.at/wtff Index | Files | Directories

package wtff

import "zgo.at/wtff"

Index

Variables

var ShowFFCmd = false

Print all ffmpeg commands to stderr

Functions

func AudioAdd

func AudioAdd(ctx context.Context, input, audioFile, lang, title string) error

func AudioRm

func AudioRm(ctx context.Context, input, stream string) error

func AudioSave

func AudioSave(ctx context.Context, input, stream, output string) error

func Cat

func Cat(ctx context.Context, output string, input ...string) error

Cat all files to the output, without re-encoding.

func Cut

func Cut(ctx context.Context, input, output string, start, stop Time) error

Cut a part and write to output.

func SubAdd

func SubAdd(ctx context.Context, input, subFile, lang string) error

func SubRm

func SubRm(ctx context.Context, input, stream string) error

func SubSave

func SubSave(ctx context.Context, input, stream, output string, overwrite bool) error

func WriteMeta

func WriteMeta(ctx context.Context, m Meta, input, output string) error

Types

type Byte

type Byte float64

func (Byte) String

func (b Byte) String() string

func (*Byte) UnmarshalText

func (b *Byte) UnmarshalText(in []byte) error

TODO: finish and move to zstd (it's enough for our purpose here).

type Chapter

type Chapter struct {
	Id        int            `json:"id,omitempty"`         // -1349333221,
	TimeBase  string         `json:"time_base,omitempty"`  // "1/1000000000",
	Start     int            `json:"start,omitempty"`      // 0,
	StartTime Time           `json:"start_time,omitempty"` // "0.000000",
	End       uint           `json:"end,omitempty"`        // 335400000000,
	EndTime   Time           `json:"end_time,omitempty"`   // "335.400000",
	Tags      map[string]any `json:"tags,omitempty"`       // {"title": "Chapter 01"}
}

type Chapters

type Chapters []Chapter

type Format

type Format struct {
	Filename       string         `json:"filename,omitempty"`         // "01.01 Snooper Force.mkv"
	NbStreams      uint           `json:"nb_streams,omitempty"`       // 3
	NbPrograms     uint           `json:"nb_programs,omitempty"`      // 0
	FormatName     string         `json:"format_name,omitempty"`      // "matroska,webm"
	FormatLongName string         `json:"format_long_name,omitempty"` // "Matroska / WebM"
	StartTime      Time           `json:"start_time,omitempty"`       // "0.000000"
	Duration       Time           `json:"duration,omitempty"`         // "1746.601000"
	Size           Byte           `json:"size,omitempty"`             // "324196219"
	BitRate        string         `json:"bit_rate,omitempty"`         // "1484924"
	ProbeScore     uint           `json:"probe_score,omitempty"`      // 100
	Tags           map[string]any `json:"tags,omitempty"`
}

type Meta

type Meta struct {
	Comment          string            `toml:"-"`
	MajorBrand       string            `toml:"-"`
	MinorVersion     string            `toml:"-"`
	CompatibleBrands string            `toml:"-"`
	Encoder          string            `toml:"-"`
	Title            string            `toml:"title"`
	Artist           string            `toml:"artist"`
	Date             string            `toml:"date"`
	Chapters         []MetaChapter     `toml:"chapters"`
	Other            map[string]string `toml:"other"`
}

func ParseMeta

func ParseMeta(input string) (Meta, error)

func ParseMetaFromTOML

func ParseMetaFromTOML(input string) (Meta, error)

func ReadMeta

func ReadMeta(ctx context.Context, input string) (Meta, error)

func (Meta) String

func (m Meta) String() string

func (Meta) TOML

func (m Meta) TOML() string

type MetaChapter

type MetaChapter struct {
	Timebase  [2]int64 `toml:"-"`
	Start     int64    `toml:"-"`
	End       int64    `toml:"-"`
	Title     string   `toml:"title"`
	TOMLStart string   `toml:"start"`
}

func (MetaChapter) StartSecs

func (m MetaChapter) StartSecs() int

type ProbeFile

type ProbeFile struct {
	Format   Format   `json:"format"`
	Streams  Streams  `json:"streams"`
	Chapters Chapters `json:"chapters"`
}

func Probe

func Probe(ctx context.Context, file string) (ProbeFile, error)

Probe gets an overview of streams for this file.

func (ProbeFile) String

func (p ProbeFile) String() string

type Stream

type Stream struct {
	Index              int    `json:"index,omitempty"`                // 0
	CodecName          string `json:"codec_name,omitempty"`           // "hevc"
	CodecLongName      string `json:"codec_long_name,omitempty"`      // "H.265 / HEVC (High Efficiency Video Coding)"
	Profile            string `json:"profile,omitempty"`              // "Main 10"
	CodecType          string `json:"codec_type,omitempty"`           // "video"
	CodecTagString     string `json:"codec_tag_string,omitempty"`     // "[0][0][0][0]"
	CodecTag           string `json:"codec_tag,omitempty"`            // "0x0000"
	Width              uint   `json:"width,omitempty"`                // 720
	Height             uint   `json:"height,omitempty"`               // 568
	CodedWidth         uint   `json:"coded_width,omitempty"`          // 720
	CodedHeight        uint   `json:"coded_height,omitempty"`         // 568
	ClosedCaptions     uint   `json:"closed_captions,omitempty"`      // 0
	HasBFrames         uint   `json:"has_b_frames,omitempty"`         // 2
	SampleAspectRatio  string `json:"sample_aspect_ratio,omitempty"`  // "349:240"
	DisplayAspectRatio string `json:"display_aspect_ratio,omitempty"` // "1047:568"
	PixFmt             string `json:"pix_fmt,omitempty"`              // "yuv420p10le"
	Level              int    `json:"level,omitempty"`                // 90, -99?
	ColorRange         string `json:"color_range,omitempty"`          // "tv"
	ChromaLocation     string `json:"chroma_location,omitempty"`      // "left"
	Refs               uint   `json:"refs,omitempty"`                 // 1
	RFrameRate         string `json:"r_frame_rate,omitempty"`         // "25/1"
	AvgFrameRate       string `json:"avg_frame_rate,omitempty"`       // "25/1"
	TimeBase           string `json:"time_base,omitempty"`            // "1/1000"
	StartPts           uint   `json:"start_pts,omitempty"`            // 80
	StartTime          string `json:"start_time,omitempty"`           // "0.080000"

	SampleFmt     string `json:"sample_fmt,omitempty"`      // "fltp"
	SampleRate    string `json:"sample_rate,omitempty"`     // "48000"
	Channels      uint   `json:"channels,omitempty"`        // 2
	ChannelLayout string `json:"channel_layout,omitempty"`  // "stereo"
	BitsPerSample uint   `json:"bits_per_sample,omitempty"` // 0

	BitRate    string `json:"bit_rate,omitempty"`    // "2498735"
	DurationTs uint   `json:"duration_ts,omitempty"` // 1746601
	Duration   Time   `json:"duration,omitempty"`    // "1746.601000"

	Disposition struct {
		Default         uint `json:"default,omitempty"`
		Dub             uint `json:"dub,omitempty"`
		Original        uint `json:"original,omitempty"`
		Comment         uint `json:"comment,omitempty"`
		Lyrics          uint `json:"lyrics,omitempty"`
		Karaoke         uint `json:"karaoke,omitempty"`
		Forced          uint `json:"forced,omitempty"`
		HearingImpaired uint `json:"hearing_impaired,omitempty"`
		VisualImpaired  uint `json:"visual_impaired,omitempty"`
		CleanEffects    uint `json:"clean_effects,omitempty"`
		AttachedPic     uint `json:"attached_pic,omitempty"`
		TimedThumbnails uint `json:"timed_thumbnails,omitempty"`
	} `json:"disposition,omitempty"`
	Tags map[string]any `json:"tags,omitempty"`
}

func (Stream) Audio

func (s Stream) Audio() bool

func (Stream) Subtitle

func (s Stream) Subtitle() bool

func (Stream) Video

func (s Stream) Video() bool

type Streams

type Streams []Stream

func (Streams) Find

func (s Streams) Find(kind, langOrNum string) int

type SubLine

type SubLine struct {
	Seq   int
	Start time.Time
	End   time.Time
	Text  []string
}

func (SubLine) String

func (s SubLine) String() string

type Subs

type Subs []SubLine

func ParseSRT

func ParseSRT(s string) (Subs, error)

func (Subs) String

func (s Subs) String() string

type Time

type Time struct{ time.Duration }

func (Time) String

func (t Time) String() string

func (*Time) UnmarshalText

func (t *Time) UnmarshalText(b []byte) error

Source Files

byte.go meta.go probe.go sub.go wtff.go

Directories

PathSynopsis
cmd
cmd/wtff
Version
v0.0.0-20240422123043-e444787a83af (latest)
Published
Apr 22, 2024
Platform
linux/amd64
Imports
17 packages
Last checked
3 weeks ago

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