From a3c954fa011229bf3a0fee00f0f5ab58bb20f84d Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Tue, 9 Mar 2021 11:35:13 +0100
Subject: [PATCH] mpv: Generate visualiser profiles with function

---
 users/simon/modules/mpv.nix | 95 ++++++++++++++++++++-----------------
 1 file changed, 52 insertions(+), 43 deletions(-)

diff --git a/users/simon/modules/mpv.nix b/users/simon/modules/mpv.nix
index 3ec4f02..1e4acb4 100644
--- a/users/simon/modules/mpv.nix
+++ b/users/simon/modules/mpv.nix
@@ -158,56 +158,65 @@ in
       "Alt+Z" = "add sub-delay +1";
     };
 
-    profiles = {
-      musicvideo = {
-        lavfi-complex = "[aid1]asplit=4[ao][a1][a2][a3];[a1]avectorscope=m=lissajous:s=640x600:draw=dot:r=25[avectorscope];[a2]aresample=44100,showwaves=s=1280x600:mode=p2p:colors=red|lightgreen:r=25[showwaves];[a3]showcqt=s=1920x600:axis=0:axis_h=0:r=25[showcqt];[showwaves][avectorscope]hstack=shortest=1[top];[top][showcqt]vstack=shortest=1,fps=25[vo]";
-        alpha = false;
-      };
+    profiles =
+      let
+        mkVisualiser = width: height: rate: {
+          lavfi-complex = lib.concatStringsSep ";" [
+            "[aid1]asplit=4[ao][a1][a2][a3]"
+            "[a1]avectorscope=m=lissajous:s=${toString (width / 3)}x${toString (height / 2)}:draw=dot:r=${toString rate}[avectorscope]"
+            "[a2]aresample=44100,showwaves=s=${toString (width / 3 * 2)}x${toString (height / 2)}:mode=p2p:colors=red|lightgreen:r=${toString rate}[showwaves]"
+            "[a3]showcqt=s=${toString width}x${toString (height / 2)}:axis=0:axis_h=0:r=${toString rate}[showcqt]"
+            "[showwaves][avectorscope]hstack=shortest=1[top]"
+            "[top][showcqt]vstack=shortest=1,fps=${toString rate}[vo]"
+          ];
+          alpha = false;
+        };
+      in
+      {
+        visualiser = mkVisualiser 1920 1200 30;
+        visualiser-1080 = mkVisualiser 1920 1080 30;
+        visualiser-60 = mkVisualiser 1920 1080 60;
+        visualiser-1080-60 = mkVisualiser 1920 1080 60;
 
-      musicvideo-1080 = {
-        lavfi-complex = "[aid1]asplit=4[ao][a1][a2][a3];[a1]avectorscope=m=lissajous:s=640x540:draw=dot:r=25[avectorscope];[a2]aresample=44100,showwaves=s=1280x540:mode=p2p:colors=red|lightgreen:r=25[showwaves];[a3]showcqt=s=1920x540:axis=0:axis_h=0:r=25[showcqt];[showwaves][avectorscope]hstack=shortest=1[top];[top][showcqt]vstack=shortest=1,fps=25[vo]";
-        alpha = false;
-      };
+        hqencode = {
+          ovc = "libx264";
+          ovcopts-add = "crf=18";
+          oac = "flac";
+          audio-format = "s16";
+        };
 
-      hqencode = {
-        ovc = "libx264";
-        ovcopts-add = "crf=18";
-        oac = "flac";
-        audio-format = "s16";
-      };
+        lq = {
+          scale = "bicubic_fast";
+          cscale = "bicubic_fast";
+          dscale = "bicubic_fast";
+        };
 
-      lq = {
-        scale = "bicubic_fast";
-        cscale = "bicubic_fast";
-        dscale = "bicubic_fast";
-      };
+        hq = {
+          scale = "ewa_lanczossharp";
+          dscale = "mitchell";
+          linear-downscaling = "no"; # for KrigBilateral
+          cscale = "ewa_lanczos";
+          glsl-shader = [
+            "${shaders.SSimDownscaler}" # dscale
+            "${shaders.KrigBilateral}" # cscale
+            "${shaders.fsrcnnx_x2}" # scale
+          ];
+        };
 
-      hq = {
-        scale = "ewa_lanczossharp";
-        dscale = "mitchell";
-        linear-downscaling = "no"; # for KrigBilateral
-        cscale = "ewa_lanczos";
-        glsl-shader = [
-          "${shaders.SSimDownscaler}" # dscale
-          "${shaders.KrigBilateral}" # cscale
-          "${shaders.fsrcnnx_x2}" # scale
-        ];
-      };
+        interpolate = {
+          blend-subtitles = true;
+          video-sync = "display-resample";
+          interpolation = true;
+          tscale = "box";
+          tscale-window = "sphinx";
+          tscale-radius = 1.0;
+          tscale-clamp = 0.0;
+        };
 
-      interpolate = {
-        blend-subtitles = true;
-        video-sync = "display-resample";
-        interpolation = true;
-        tscale = "box";
-        tscale-window = "sphinx";
-        tscale-radius = 1.0;
-        tscale-clamp = 0.0;
+        # adapted from https://github.com/mpv-player/mpv/issues/4418#issuecomment-368272929
+        clear-speed.af-add = "scaletempo=stride=18:overlap=.6:search=10";
       };
 
-      # adapted from https://github.com/mpv-player/mpv/issues/4418#issuecomment-368272929
-      clear-speed.af-add = "scaletempo=stride=18:overlap=.6:search=10";
-    };
-
     scripts = [
       pitchcontrol
     ];