mirror of
https://github.com/AlexxIT/go2rtc.git
synced 2025-10-05 08:16:55 +08:00
47 lines
794 B
Go
47 lines
794 B
Go
package ffmpeg
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import (
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"errors"
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"os/exec"
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"sync"
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"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
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)
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var verMu sync.Mutex
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var verErr error
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var verFF string
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var verAV string
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func Version() (string, error) {
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verMu.Lock()
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defer verMu.Unlock()
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if verFF != "" {
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return verFF, verErr
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}
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cmd := exec.Command(defaults["bin"], "-version")
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b, err := cmd.Output()
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if err != nil {
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verFF = "-"
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verErr = err
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return verFF, verErr
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}
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verFF, verAV = ffmpeg.ParseVersion(b)
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if verFF == "" {
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verFF = "?"
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}
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// better to compare libavformat, because nightly/master builds
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if verAV != "" && verAV < ffmpeg.Version50 {
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verErr = errors.New("ffmpeg: unsupported version: " + verFF)
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}
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log.Debug().Str("version", verFF).Str("libavformat", verAV).Msgf("[ffmpeg] bin")
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return verFF, verErr
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}
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