54 lines
868 B
Go
54 lines
868 B
Go
package video
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import (
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"bufio"
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"context"
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"go.uber.org/zap"
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"io"
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"os"
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"os/exec"
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"sync"
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)
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func Play(ctx context.Context, file string) error {
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if file == "" {
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zap.S().Infoln("video file is empty")
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return nil
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}
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// 判断文件是否存在
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if _, err := os.Stat(file); err != nil {
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zap.S().Errorf("视频文件不存在: %v", err)
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return err
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}
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cmd := exec.CommandContext(ctx, "ffplay", "-autoexit", "-fs", file)
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pipe, err := cmd.StderrPipe()
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if err != nil {
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return err
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}
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var wait sync.WaitGroup
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defer wait.Wait()
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wait.Add(1)
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go func() {
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defer wait.Done()
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reader := bufio.NewReader(pipe)
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for {
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select {
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case <-ctx.Done():
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return
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default:
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line, _, err := reader.ReadLine()
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if err != nil {
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if err == io.EOF {
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return
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}
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break
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}
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zap.L().Info(string(line))
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}
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}
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}()
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return cmd.Run()
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}
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