From ea00c35f4120ecd366e7a7c791997f64e8fdb23a Mon Sep 17 00:00:00 2001
From: chayleaf <chayleaf-git@pavluk.org>
Date: Wed, 19 Apr 2023 01:58:58 +0700
Subject: [PATCH] subserv: custom changes

---
 home/pkgs/mpv-scripts/default.nix             |  2 +-
 home/pkgs/mpv-scripts/subserv/custom.patch    | 22 ++++++++
 .../{subserv.nix => subserv/default.nix}      | 22 ++++----
 home/pkgs/mpv-scripts/subserv/settings.patch  | 50 +++++++++++++++++++
 4 files changed, 86 insertions(+), 10 deletions(-)
 create mode 100644 home/pkgs/mpv-scripts/subserv/custom.patch
 rename home/pkgs/mpv-scripts/{subserv.nix => subserv/default.nix} (65%)
 create mode 100644 home/pkgs/mpv-scripts/subserv/settings.patch

diff --git a/home/pkgs/mpv-scripts/default.nix b/home/pkgs/mpv-scripts/default.nix
index a014dc3..9f7aebc 100644
--- a/home/pkgs/mpv-scripts/default.nix
+++ b/home/pkgs/mpv-scripts/default.nix
@@ -2,5 +2,5 @@
 , ... }:
 
 {
-  subserv = callPackage ./subserv.nix { };
+  subserv = callPackage ./subserv { };
 }
diff --git a/home/pkgs/mpv-scripts/subserv/custom.patch b/home/pkgs/mpv-scripts/subserv/custom.patch
new file mode 100644
index 0000000..c770273
--- /dev/null
+++ b/home/pkgs/mpv-scripts/subserv/custom.patch
@@ -0,0 +1,22 @@
+diff --git a/subserv.html b/subserv.html
+index 1fcb5a8..d4b65f8 100644
+--- a/subserv.html
++++ b/subserv.html
+@@ -51,6 +51,7 @@ function updateText() {
+         return;
+     }
+     
++    new_subs_elem.innerHTML = resp.subs[resp.subs.length-1];
+     if (new_subs_elem.innerHTML != "") {
+         old_subs_new_node = document.createElement("div");
+         old_subs_new_node.classList.add("old-sub-el");
+@@ -63,8 +64,8 @@ function updateText() {
+         old_subs_new_node.innerHTML = new_subs_elem.innerHTML; 
+         old_subs_elem.appendChild(old_subs_new_node);
+         old_subs_new_node.scrollIntoView();
++        new_subs_elem.innerHTML = "";
+     }
+-    new_subs_elem.innerHTML = resp.subs[resp.subs.length-1];
+ 
+     for (i = 0; i < resp.subs.length-1; i++) {
+         if (resp.subs[i] != "") {
diff --git a/home/pkgs/mpv-scripts/subserv.nix b/home/pkgs/mpv-scripts/subserv/default.nix
similarity index 65%
rename from home/pkgs/mpv-scripts/subserv.nix
rename to home/pkgs/mpv-scripts/subserv/default.nix
index 190fbb8..48ffc1e 100644
--- a/home/pkgs/mpv-scripts/subserv.nix
+++ b/home/pkgs/mpv-scripts/subserv/default.nix
@@ -1,7 +1,8 @@
 { stdenv
+, substituteAll
 , fetchFromGitHub
 , mpv-unwrapped
-, port ? 1337
+, port ? 8080
 , secondary ? false
 , ... }:
 
@@ -14,18 +15,21 @@ stdenv.mkDerivation {
     rev = "08e312f02f3d3608d61944247d39148c34215f75";
     sha256 = "sha256-CXyp+AAgyocAEbhuMMPVDlAiocozPe8tm/dIUofCRL8=";
   };
+  patches = [
+    # patch for setting port and whether secondary subs should be shown
+    # (also removes verbose logs)
+    (substituteAll {
+      src = ./settings.patch;
+      inherit port;
+      sub_text = if secondary then "secondary-sub-text" else "sub-text";
+    })
+    # my custom changes
+    ./custom.patch
+  ];
   buildInputs = [ mpv-unwrapped ];
   installFlags = [ "SCRIPTS_DIR=$(out)/share/mpv/scripts" ];
   stripDebugList = [ "share/mpv/scripts" ];
   passthru.scriptName = "subserv.so";
-  patchPhase = ''
-    sed -i 's%<client.h>%<mpv/client.h>%' subserv.c
-    sed -i 's%printf("Hello%// printf("Hello%' subserv.c
-    sed -i 's%printf("Got event%// printf("Got event%' subserv.c
-    sed -i 's/PORT 8080/PORT ${builtins.toString port}/' subserv.c
-  '' + (if secondary then ''
-    sed -i 's/sub-text/secondary-sub-text/g' subserv.c
-  '' else "");
   buildPhase = ''
     gcc -o subserv.so subserv.c -shared -fPIC
   '';
diff --git a/home/pkgs/mpv-scripts/subserv/settings.patch b/home/pkgs/mpv-scripts/subserv/settings.patch
new file mode 100644
index 0000000..1f6d415
--- /dev/null
+++ b/home/pkgs/mpv-scripts/subserv/settings.patch
@@ -0,0 +1,50 @@
+diff --git a/subserv.c b/subserv.c
+index 82f76a4..bd74cef 100644
+--- a/subserv.c
++++ b/subserv.c
+@@ -16,10 +16,11 @@
+ #include <unistd.h>
+ 
+ #include <pthread.h>
+-#include <client.h>
++#include <mpv/client.h>
+ 
+ #define MAX(a,b) (((a)>(b))?(a):(b))
+-#define PORT 8080
++#define PORT @port@
++#define SUB_TEXT "@sub_text@"
+ 
+ // modifies the buffer, so watch out
+ // return the number of words in the line and stores pointers to the individual words in word_pointers
+@@ -206,7 +207,6 @@ void send_subs(int client_socket) {
+         if (reccnt == 0) {
+             return;
+         }
+-        printf("read_buf %s\n\n", read_buf);
+         
+         char * words[3];
+         int num_words = split_line_into_words(read_buf, words, 3);
+@@ -305,13 +305,10 @@ int mpv_open_cplugin(mpv_handle *handle) {
+         return 0;
+     }
+     
+-    printf("Hello world from C plugin '%s'!\n", mpv_client_name(handle));
+-    
+-    int obs_ret = mpv_observe_property(handle, 0, "sub-text", MPV_FORMAT_STRING);
++    int obs_ret = mpv_observe_property(handle, 0, SUB_TEXT, MPV_FORMAT_STRING);
+     
+     while (1) {
+         mpv_event *event = mpv_wait_event(handle, -1);
+-        printf("Got event: %d\n", event->event_id);
+         
+         if (event->event_id == MPV_EVENT_SHUTDOWN)
+             break;
+@@ -319,7 +316,7 @@ int mpv_open_cplugin(mpv_handle *handle) {
+         if (event->event_id == MPV_EVENT_PROPERTY_CHANGE) {
+             mpv_event_property* event_prop = (mpv_event_property*)event->data;
+             
+-            if (strcmp(event_prop->name, "sub-text") == 0) {
++            if (strcmp(event_prop->name, SUB_TEXT) == 0) {
+                 if (event_prop->data == NULL)
+                     continue;
+