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package module
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 Go to latest Published: Oct 17, 2024 License: MIT Imports: 19 Imported by: 0

README

ffmpeg

friendly ffmpeg wrap for go.

  • ffmpeg
    • 多路输入
      • -i 输入文件
      • -ss 开始时间
      • -t 持续时间
    • 复合滤波器
      • 多路输入
      • 多路输出
    • 多路输出
      • -map 选择流
      • -metadata kv
      • -c 流编码方式
      • -threads 多线程转码
      • -max_muxing_queue_size 容器封装队列大小（默认4086）
      • -movflags（默认faststart）
      • 输出文件
支持的滤镜
  • 视频属性video：
    • 缩放clip：可以设置width和height，不设置默认-2（自适应偶数长度）
  • 音频属性audio：
    • 码率vb：设置音频的最大码率，如果高于原音频码率则使用原音频码率
  • 加水印logo：
    • 可以设置水印图片，水印位置，水印位置偏移量，水印图片缩放大小，均支持绝对像素和百分比
    • 只可以全程加水印，不可以指定时间段
  • 去水印delogo：
    • 指定一个开始时间，在这个时间点之后遮一个rect列表
  • 裁剪clip：
    • 指定开始时间和持续时长，持续时长不指定的话默认到视频结束
  • 添加元信息metadata：
    • 指定一组key-value
    • key仅支持部分字符串，可用的字符串可以看ffmpeg

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrParamsInvalid  = errors.New("params is invalid")
	ErrParamsInvalid2 = errors.New("interval required when frame_type is 1(normal frame)")
)

Functions

func ConcatFile added in v0.8.5 

func ConcatFile(files []string, localPath string) error

Types

type Audio 

type Audio struct {
	Codec   string `json:"codec,omitempty"`
	Bitrate int32  `json:"bitrate,omitempty"`
}

type Clip 

type Clip struct {
	Seek     float32 `json:"seek,omitempty"`
	Duration float32 `json:"duration,omitempty"`
}

type ConcatParams added in v0.7.0 

type ConcatParams struct {
	Infiles    []string
	ConcatFile string // eg. mylist.txt
	Outfile    string
	Duration   float32
}

type ConvertContainerParams added in v0.3.0 

type ConvertContainerParams struct {
	InFile   string
	OutFile  string
	Metadata []*KV
	Threads  int32
}
type Delogo struct {
	SS   float32    `json:"ss,omitempty"`
	Rect *Rectangle `json:"rect,omitempty"`
}

type ExtractAudioParams added in v0.5.0 

type ExtractAudioParams struct {
	Infile  string
	Outfile string
}

type Filters 

type Filters struct {
	Container string    `json:"container,omitempty"`
	Metadata  []*KV     `json:"metadata,omitempty"`
	Video     *Video    `json:"video,omitempty"`
	Audio     *Audio    `json:"audio,omitempty"`
	Clip      *Clip     `json:"clip,omitempty"`
	HLS       *HLS      `json:"hls,omitempty"`
}

type HLS 

type HLS struct {
	HLSSegmentType     string `json:"hls_segment_type,omitempty"`
	HLSFlags           string `json:"hls_flags,omitempty"`
	HLSPlaylistType    string `json:"hls_playlist_type,omitempty"`
	HLSTime            int32  `json:"hls_time,omitempty"`
	MasterPlName       string `json:"master_pl_name,omitempty"`
	HLSSegmentFilename string `json:"hls_segment_filename,omitempty"`
}

type KV added in v0.4.5 

type KV struct {
	K string `json:"k,omitempty"`
	V string `json:"v,omitempty"`
}
type Logo struct {
	File string  `json:"file,omitempty"`
	Pos  string  `json:"pos,omitempty"`
	Dx   float32 `json:"dx,omitempty"`
	Dy   float32 `json:"dy,omitempty"`
	LW   float32 `json:"lw,omitempty"`
	LH   float32 `json:"lh,omitempty"`
}

func (*Logo) NeedScale added in v0.4.0 

func (l *Logo) NeedScale() bool

type MergeParams added in v0.5.0 

type MergeParams struct {
	FramesInfile string
	VideoInfile  string
	AudioInfile  string
	Filters      *Filters
	Outfile      string
}

type Option added in v0.3.0 

type Option func(*options)

func FFmpegOptions 

func FFmpegOptions(ffmpegOpts ...ffmpeg.Option) Option

func FFprobeOptions 

func FFprobeOptions(ffprobeOpts ...ffprobe.Option) Option

type Point added in v0.3.3 

type Point struct {
	X float32 `json:"x,omitempty"`
	Y float32 `json:"y,omitempty"`
}

type Rectangle 

type Rectangle struct {
	X float32 `json:"x,omitempty"`
	Y float32 `json:"y,omitempty"`
	W float32 `json:"w,omitempty"`
	H float32 `json:"h,omitempty"`
}

矩形框

type SVGAnnotation added in v0.3.3 

type SVGAnnotation struct {
	Type        string   `json:"type,omitempty"`
	Stroke      string   `json:"color,omitempty"`
	Text        string   `json:"text,omitempty"`
	Points      []*Point `json:"points,omitempty"`
	FromPoint   *Point   `json:"from_point,omitempty"`
	ToPoint     *Point   `json:"to_point,omitempty"`
	StrokeWidth int32    `json:"stroke_width,omitempty"`
	FontSize    int32    `json:"font_size,omitempty"`
}

type SVGMarkParams added in v0.3.3 

type SVGMarkParams struct {
	Infile      string
	Outfile     string
	StartTime   float32          `json:"start_time,omitempty"`
	Annotations []*SVGAnnotation `json:"annotation,omitempty"`
}

type Snapshot added in v0.3.0 

type Snapshot struct {
	// contains filtered or unexported fields
}

func NewSnapshot added in v0.3.0 

func NewSnapshot(opts ...Option) *Snapshot

func (*Snapshot) SVGMark added in v0.3.3 

func (ss *Snapshot) SVGMark(ctx context.Context, params *SVGMarkParams) error

func (*Snapshot) Simple added in v0.3.0 

func (ss *Snapshot) Simple(ctx context.Context, params *SnapshotParams) error

func (*Snapshot) Sprite added in v0.3.3 

func (ss *Snapshot) Sprite(ctx context.Context, params *SpriteParams) error

type SnapshotParams added in v0.3.0 

type SnapshotParams struct {
	Infile    string
	Outfile   string
	StartTime float32
	Interval  int32
	Num       int32
	FrameType int32 // 0-仅关键帧 1-指定时间点的帧
	Width     int32
	Height    int32
}

type SnapshotSpec added in v0.3.0 

type SnapshotSpec struct{}

func NewSnapshotSpec added in v0.3.0 

func NewSnapshotSpec() *SnapshotSpec

func (*SnapshotSpec) CheckSatified added in v0.3.0 

func (*SnapshotSpec) CheckSatified(params *SnapshotParams) error

type SpriteParams added in v0.3.3 

type SpriteParams struct {
	Infile   string
	Outfile  string
	XLen     int32
	YLen     int32
	Width    int32
	Height   int32
	Interval float32
}

type SubTranscodeParams 

type SubTranscodeParams struct {
	Outfile string
	Filters *Filters
	Threads int32
}

type Transcode 

type Transcode struct {
	// contains filtered or unexported fields
}

func NewTranscode 

func NewTranscode(opts ...Option) *Transcode

func (*Transcode) Concat added in v0.7.0 

func (tc *Transcode) Concat(ctx context.Context, params *ConcatParams) error

多个视频合并成一个

func (*Transcode) ConvertContainer added in v0.3.0 

func (tc *Transcode) ConvertContainer(ctx context.Context, params *ConvertContainerParams) error

func (*Transcode) ExtractAudio added in v0.5.0 

func (tc *Transcode) ExtractAudio(ctx context.Context, params *ExtractAudioParams) error

ffmpeg -i in.mp4 -vn -c:a copy out.aac

func (*Transcode) MergeByFrames added in v0.5.0 

func (tc *Transcode) MergeByFrames(ctx context.Context, params *MergeParams) error

ffmpeg -i in.mp4 -vn -c:a copy out.aac

func (*Transcode) SimpleHLS added in v0.4.0 

func (tc *Transcode) SimpleHLS(ctx context.Context, params *TranscodeSimpleHLSParams) error

转hls

func (*Transcode) SimpleJPEG added in v0.3.8 

func (tc *Transcode) SimpleJPEG(ctx context.Context, params *TranscodeParams) error

func (*Transcode) SimpleMP3 added in v0.3.8 

func (tc *Transcode) SimpleMP3(ctx context.Context, params *TranscodeParams) error

func (*Transcode) SimpleMP4 

func (tc *Transcode) SimpleMP4(ctx context.Context, params *TranscodeParams) error

func (*Transcode) SimpleTS added in v0.4.2 

func (tc *Transcode) SimpleTS(ctx context.Context, params *TranscodeSimpleTSParams) error

转ts

type TranscodeParams 

type TranscodeParams struct {
	Infile string
	Subs   []*SubTranscodeParams
}

type TranscodeSimpleHLSParams added in v0.4.1 

type TranscodeSimpleHLSParams struct {
	Infile  string
	Outfile string
	Filters *Filters
	Threads int32
}

type TranscodeSimpleTSParams added in v0.4.2 

type TranscodeSimpleTSParams struct {
	Infile  string
	Outfile string
	Filters *Filters
	Threads int32
}

type TranscodeSpec 

type TranscodeSpec struct{}

func NewTranscodeSpec 

func NewTranscodeSpec() *TranscodeSpec

func (*TranscodeSpec) ConcatSatified added in v0.7.0 

func (*TranscodeSpec) ConcatSatified(params *ConcatParams) error

func (*TranscodeSpec) ConvertContainerSatified added in v0.3.0 

func (*TranscodeSpec) ConvertContainerSatified(params *ConvertContainerParams) error

func (*TranscodeSpec) ExtractAudioSatified added in v0.5.0 

func (*TranscodeSpec) ExtractAudioSatified(params *ExtractAudioParams) error

func (*TranscodeSpec) MergeByFramesSatified added in v0.5.0 

func (*TranscodeSpec) MergeByFramesSatified(params *MergeParams) error

func (*TranscodeSpec) SimpleHLSSatified added in v0.4.0 

func (*TranscodeSpec) SimpleHLSSatified(params *TranscodeSimpleHLSParams) error

func (*TranscodeSpec) SimpleJPEGSatified added in v0.3.8 

func (*TranscodeSpec) SimpleJPEGSatified(params *TranscodeParams) error

func (*TranscodeSpec) SimpleMP3Satified added in v0.3.8 

func (*TranscodeSpec) SimpleMP3Satified(params *TranscodeParams) error

func (*TranscodeSpec) SimpleMP4Satified added in v0.3.0 

func (*TranscodeSpec) SimpleMP4Satified(params *TranscodeParams) error

func (*TranscodeSpec) SimpleTSSatified added in v0.4.2 

func (*TranscodeSpec) SimpleTSSatified(params *TranscodeSimpleTSParams) error

type Transcoder 

type Transcoder interface {
	Transcode(context.Context, *TranscodeParams) error
}

type Video 

type Video struct {
	Codec     string  `json:"codec,omitempty"`
	Width     int32   `json:"width,omitempty"`
	Height    int32   `json:"height,omitempty"`
	Short     int32   `json:"short,omitempty"`
	FPS       string  `json:"fps,omitempty"`
	Crf       int32   `json:"crf,omitempty"`
	WZQuality float32 `json:"wz_quality,omitempty"`
	Bitrate   int32   `json:"bitrate,omitempty"`
	GOP       int32   `json:"gop,omitempty"`
	PTS       string  `json:"pts,omitempty"`
	APTS      string  `json:"apts,omitempty"`
	PixFmt    string  `json:"pix_fmt,omitempty"`
}

type VideoFilter 

type VideoFilter interface{}

Source Files

View all Source files

Directories

Path Synopsis
examples
ffcut/common
ffmpeg/concat
ffmpeg/fake
ffmpeg/filter
ffmpeg/hls
ffmpeg/hls_key
ffmpeg/loudnorm
ffmpeg/mask
ffmpeg/subtitles
ffprobe
service/snapshot
service/transcode/concat
service/transcode/convertcontainer
service/transcode/extractaudio
service/transcode/simplehls
service/transcode/simplejpeg
service/transcode/simplemp3
service/transcode/simplemp4
fusion
codec
filter
filter/fsugar
input
output
stream
util
fftool
mask
naming
pkg
conv
encoding/json
math
sugar

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