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66 lines
1.8 KiB
66 lines
1.8 KiB
package config |
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import ( |
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"errors" |
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"fmt" |
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"os" |
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"os/exec" |
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"strings" |
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log "github.com/sirupsen/logrus" |
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"golang.org/x/mod/semver" |
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) |
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// VerifyFFMpegPath verifies that the path exists, is a file, and is executable. |
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func VerifyFFMpegPath(path string) error { |
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stat, err := os.Stat(path) |
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if os.IsNotExist(err) { |
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return errors.New("ffmpeg path does not exist") |
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} |
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if err != nil { |
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return fmt.Errorf("error while verifying the ffmpeg path: %s", err.Error()) |
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} |
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if stat.IsDir() { |
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return errors.New("ffmpeg path can not be a folder") |
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} |
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mode := stat.Mode() |
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// source: https://stackoverflow.com/a/60128480 |
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if mode&0o111 == 0 { |
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return errors.New("ffmpeg path is not executable") |
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} |
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cmd := exec.Command(path) |
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out, _ := cmd.CombinedOutput() |
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response := string(out) |
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if response == "" { |
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return fmt.Errorf("unable to determine the version of your ffmpeg installation at %s you may experience issues with video", path) |
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} |
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responseComponents := strings.Split(response, " ") |
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if len(responseComponents) < 3 { |
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log.Debugf("unable to determine the version of your ffmpeg installation at %s you may experience issues with video", path) |
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return nil |
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} |
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fullVersionString := responseComponents[2] |
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versionString := "v" + strings.Split(fullVersionString, "-")[0] |
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// Some builds of ffmpeg have weird build numbers that we can't parse |
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if !semver.IsValid(versionString) { |
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log.Debugf("unable to determine if ffmpeg version %s is recent enough. if you experience issues with video you may want to look into updating", fullVersionString) |
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return nil |
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} |
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if semver.Compare(versionString, FfmpegSuggestedVersion) == -1 { |
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return fmt.Errorf("your %s version of ffmpeg at %s may be older than the suggested version of %s you may experience issues with video", versionString, path, FfmpegSuggestedVersion) |
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} |
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return nil |
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}
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