67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
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&0111 == 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, err := 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 wierd 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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