57 lines
1.6 KiB
Nix
57 lines
1.6 KiB
Nix
{
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lib,
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config,
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pkgs,
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...
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}:
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with lib;
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{
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options = {
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webcam-rtsp = {
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enable = mkEnableOption "enables webcam RTSP publisher";
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device = mkOption {
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type = types.str;
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default = "/dev/v4l/by-id/usb-GENERAL_GENERAL_WEBCAM-video-index0";
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description = "V4L2 device used as input for ffmpeg.";
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};
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rtspUrl = mkOption {
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type = types.str;
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default = "rtsp://192.168.1.143:8554/laptop";
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description = "Destination RTSP URL where ffmpeg publishes the stream.";
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};
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framerate = mkOption {
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type = types.int;
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default = 30;
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description = "Input framerate for the webcam stream.";
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};
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videoSize = mkOption {
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type = types.str;
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default = "1280x720";
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description = "Input video size for the webcam stream.";
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};
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};
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};
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config = mkIf config.webcam-rtsp.enable {
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systemd.services.webcam-rtsp-publisher = {
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description = "Publish USB webcam to MediaMTX over RTSP";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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wants = [ "network-online.target" ];
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serviceConfig = {
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Type = "simple";
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Restart = "always";
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RestartSec = "2";
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ExecStart = ''
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${pkgs.ffmpeg}/bin/ffmpeg \
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-hide_banner -loglevel warning \
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-f v4l2 -framerate ${toString config.webcam-rtsp.framerate} -video_size ${config.webcam-rtsp.videoSize} \
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-i ${config.webcam-rtsp.device} \
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-vcodec libx264 -tune zerolatency -preset veryfast \
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-f rtsp ${config.webcam-rtsp.rtspUrl}
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'';
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};
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};
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};
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}
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