github/vnc-recorder
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Make quality configurable

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Signed-off-by: Daniel Widerin <daniel@widerin.net>
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Daniel Widerin 2020-10-25 01:10:18 +02:00
parent 7b64627baa
commit 0ad37313d2
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GPG Key ID: F75B6C110ED4EF65
3 changed files with 10 additions and 2 deletions
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1
README.md
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@ -32,6 +32,7 @@ library which made this wrapper possible.
--port value VNC port (default: 5900) [$VR_VNC_PORT] --port value VNC port (default: 5900) [$VR_VNC_PORT]
--password value Password to connect to the VNC host (default: "secret") [$VR_VNC_PASSWORD] --password value Password to connect to the VNC host (default: "secret") [$VR_VNC_PASSWORD]
--framerate value Framerate to record (default: 30) [$VR_FRAMERATE] --framerate value Framerate to record (default: 30) [$VR_FRAMERATE]
--crf value Constant Rate Factor (CRF) to record with (default: 35) [$VR_CRF]
--outfile value Output file to record to. (default: "output.mp4") [$VR_OUTFILE] --outfile value Output file to record to. (default: "output.mp4") [$VR_OUTFILE]
--help, -h show help --help, -h show help
--version, -v print the version --version, -v print the version

4
encoder.go
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@ -112,6 +112,7 @@ type X264ImageCustomEncoder struct {
input io.WriteCloser input io.WriteCloser
closed bool closed bool
Framerate int Framerate int
ConstantRateFactor int
} }
func (enc *X264ImageCustomEncoder) Init(videoFileName string) { func (enc *X264ImageCustomEncoder) Init(videoFileName string) {
@ -126,10 +127,9 @@ func (enc *X264ImageCustomEncoder) Init(videoFileName string) {
"-y", "-y",
"-i", "-", "-i", "-",
"-vcodec", "libx264", "-vcodec", "libx264",
"-threads", "8",
"-preset", "veryfast", "-preset", "veryfast",
"-g", "250", "-g", "250",
"-crf", "37", "-crf", strconv.Itoa(enc.ConstantRateFactor),
videoFileName, videoFileName,
) )
cmd.Stdout = os.Stdout cmd.Stdout = os.Stdout

7
main.go
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@ -64,6 +64,12 @@ func main() {
Usage: "Framerate to record", Usage: "Framerate to record",
EnvVars: []string{"VR_FRAMERATE"}, EnvVars: []string{"VR_FRAMERATE"},
}, },
&cli.IntFlag{
Name: "crf",
Value: 35,
Usage: "Constant Rate Factor (CRF) to record with",
EnvVars: []string{"VR_CRF"},
},
&cli.StringFlag{ &cli.StringFlag{
Name: "outfile", Name: "outfile",
Value: "output.mp4", Value: "output.mp4",
@ -143,6 +149,7 @@ func recorder(c *cli.Context) error {
vcodec := &X264ImageCustomEncoder{ vcodec := &X264ImageCustomEncoder{
FFMpegBinPath: ffmpeg_path, FFMpegBinPath: ffmpeg_path,
Framerate: c.Int("framerate"), Framerate: c.Int("framerate"),
ConstantRateFactor: c.Int("crf"),
} }
//goland:noinspection GoUnhandledErrorResult //goland:noinspection GoUnhandledErrorResult