video

package

v1.0.0 Latest Latest Go to latest Published: Jun 5, 2026 License: MIT Imports: 12 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/ioai-tech/lerobot-go

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Documentation ¶

Index ¶

Constants
func DurationSeconds(ctx context.Context, locator Locator, path string) (float64, error)
func EncodeFromPNGDir(ctx context.Context, cfg EncodeConfig) error
func ExtractSegment(ctx context.Context, locator Locator, src, dst string, fromSec, toSec float64, ...) error
func FileSizeMB(path string) (float64, error)
func GetVideoInfo(ctx context.Context, locator Locator, videoPath string) (map[string]any, error)
func ImageDir(videoKey string, episode int, root string) string
func SafeConcat(ctx context.Context, locator Locator, inputs []string, output string, ...) error
type Config
type EncodeConfig
type Locator
- func NewLocator(cfg Config) Locator

Constants ¶

View Source

const DefaultCRF = 25

Variables ¶

This section is empty.

Functions ¶

func DurationSeconds ¶

func DurationSeconds(ctx context.Context, locator Locator, path string) (float64, error)

func EncodeFromPNGDir ¶

func EncodeFromPNGDir(ctx context.Context, cfg EncodeConfig) error

func ExtractSegment ¶

func ExtractSegment(ctx context.Context, locator Locator, src, dst string, fromSec, toSec float64, overwrite bool) error

ExtractSegment copies a time range from src into dst using ffmpeg.

func FileSizeMB ¶

func FileSizeMB(path string) (float64, error)

func GetVideoInfo ¶

func GetVideoInfo(ctx context.Context, locator Locator, videoPath string) (map[string]any, error)

GetVideoInfo mirrors lerobot.datasets.video_utils.get_video_info (v0.5.1).

func ImageDir ¶

func ImageDir(videoKey string, episode int, root string) string

func SafeConcat ¶

func SafeConcat(ctx context.Context, locator Locator, inputs []string, output string, overwrite bool) error

SafeConcat concatenates MP4 files with DTS monotonicity (tier-1 ffmpeg concat).

Types ¶

type Config ¶

type Config struct {
	FFmpegPath  string
	FFprobePath string
}

type EncodeConfig ¶

type EncodeConfig struct {
	Locator    Locator
	VCodec     string
	CRF        int
	FPS        int
	Threads    int
	PNGPattern string
	OutputPath string
}

type Locator ¶

type Locator interface {
	FFmpegPath() (string, error)
	FFprobePath() (string, error)
}

func NewLocator ¶

func NewLocator(cfg Config) Locator

Source Files ¶

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