64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package ffmpeg
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import (
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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)
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// BinPaths holds paths to ffmpeg and ffprobe binaries.
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type BinPaths struct {
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FFmpeg string
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FFprobe string
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}
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// Detect finds ffmpeg and ffprobe binaries.
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// Priority: 1. build/bin/ (bundled) 2. PATH
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func Detect() (BinPaths, error) {
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exeDir, err := os.Executable()
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if err != nil {
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exeDir = "."
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} else {
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exeDir = filepath.Dir(exeDir)
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}
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bundled := BinPaths{
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FFmpeg: binPath(exeDir, "ffmpeg"),
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FFprobe: binPath(exeDir, "ffprobe"),
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}
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// Check bundled first
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if fileExists(bundled.FFmpeg) && fileExists(bundled.FFprobe) {
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return bundled, nil
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}
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// Fall back to PATH
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return findOnPath()
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}
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func binPath(baseDir, name string) string {
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ext := ""
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if runtime.GOOS == "windows" {
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ext = ".exe"
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}
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return filepath.Join(baseDir, "build", "bin", name+ext)
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}
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func fileExists(path string) bool {
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_, err := os.Stat(path)
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return err == nil
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}
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func findOnPath() (BinPaths, error) {
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ffmpeg, err := exec.LookPath("ffmpeg")
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if err != nil {
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return BinPaths{}, err
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}
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ffprobe, err := exec.LookPath("ffprobe")
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if err != nil {
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return BinPaths{}, err
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}
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return BinPaths{FFmpeg: ffmpeg, FFprobe: ffprobe}, nil
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}
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