✨ Watch video

cmd/root.go

@@ -22,6 +22,7 @@ var rootCmd = &cobra.Command{
 		file := files.PickRandomFile()
 		out := media.ProbeFile(file)
 		fmt.Printf("%+v\n", out)
+		media.Watch(out.Format.Path)
 		stream := media.SelectAudioStream(out)
 		fmt.Printf("Stream %d of %s: %+v\n", stream, out.Format.Path, out.Streams[stream])
 	},

go.mod

@@ -6,9 +6,11 @@ require (
 	github.com/BurntSushi/toml v1.3.2
 	github.com/adrg/xdg v0.4.0
 	github.com/akrennmair/slice v0.0.0-20220105203817-49445747ab81
+	github.com/creack/pty v1.1.18
 	github.com/kirsle/configdir v0.0.0-20170128060238-e45d2f54772f
 	github.com/spf13/cobra v1.7.0
 	github.com/u2takey/ffmpeg-go v0.5.0
+	golang.org/x/term v0.11.0
 )
 
 require (
@@ -17,5 +19,5 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/u2takey/go-utils v0.3.1 // indirect
-	golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359 // indirect
+	golang.org/x/sys v0.11.0 // indirect
 )

go.sum

@@ -7,6 +7,8 @@ github.com/akrennmair/slice v0.0.0-20220105203817-49445747ab81/go.mod h1:jk5mJ+K
 github.com/aws/aws-sdk-go v1.38.20 h1:QbzNx/tdfATbdKfubBpkt84OM6oBkxQZRw6+bW2GyeA=
 github.com/aws/aws-sdk-go v1.38.20/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
+github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -64,8 +66,11 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359 h1:2B5p2L5IfGiD7+b9BOoRMC6DgObAVZV+Fsp050NqXik=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.11.0 h1:F9tnn/DA/Im8nCwm+fX+1/eBwi4qFjRT++MhtVC4ZX0=
+golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=

media/watch.go

@@ -0,0 +1,45 @@
+package media
+
+import (
+	"github.com/creack/pty"
+	"golang.org/x/term"
+	"io"
+	"os"
+	"os/exec"
+	"os/signal"
+	"syscall"
+)
+
+func Watch(path string) {
+	cmd := exec.Command("mpv", "--osd-fractions", "--term-osd=force", path)
+	ptmx, err := pty.Start(cmd)
+
+	if err != nil {
+		panic(err)
+	}
+	// Make sure to close the pty at the end.
+	defer func() { ptmx.Close() }() // Best effort.
+
+	// Handle pty size.
+	ch := make(chan os.Signal, 1)
+	signal.Notify(ch, syscall.SIGWINCH)
+	go func() {
+		for range ch {
+			pty.InheritSize(os.Stdin, ptmx)
+		}
+	}()
+	ch <- syscall.SIGWINCH                        // Initial resize.
+	defer func() { signal.Stop(ch); close(ch) }() // Cleanup signals when done.
+
+	// Set stdin in raw mode.
+	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+	if err != nil {
+		panic(err)
+	}
+	defer func() { term.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
+
+	// Copy stdin to the pty and the pty to stdout.
+	// NOTE: The goroutine will keep reading until the next keystroke before returning.
+	go func() { io.Copy(ptmx, os.Stdin) }()
+	io.Copy(os.Stdout, ptmx)
+}