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51 lines
929 B
51 lines
929 B
1 week ago
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package main
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import (
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"fmt"
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"os/exec"
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"time"
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)
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func ffmpegGenerateMP4() {
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inputPattern := "./output/img_glitched_%d.jpeg"
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outputVideo := "output.mp4"
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cmd := exec.Command(
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"ffmpeg",
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"-y",
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"-framerate", "30",
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"-i", inputPattern,
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"-vf", "scale=trunc(iw/2)*2:trunc(ih/2)*2,setpts=PTS*2.0", // Scale and slow down playback
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"-vcodec", "libx264", // Use H.264 codec
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"-pix_fmt", "yuv420p",
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"-crf", "23", // Compression level: lower is higher quality (range: 18-28)
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"-preset", "fast",
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outputVideo,
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)
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done := make(chan bool)
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go func() {
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err := cmd.Run()
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check(err, "cannot run ffmpeg command!")
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done <- true
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}()
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go func() {
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msg := "Generating MP4"
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c := 0
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for {
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select {
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case <-done:
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return
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default:
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fmt.Printf("\r%s%s", msg, dots(c))
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c = (c + 1)
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time.Sleep(500 * time.Millisecond)
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}
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}
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}()
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<-done
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fmt.Println("\nGIF successfully created in ./output.mp4!")
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}
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