From 7caba8771113a0987c9102fddfbe9ff1b41c048c Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Wed, 13 Mar 2024 11:08:26 +0100
Subject: linuxPackages.v4l2loopback: unstable-2023-11-23 ->
 0.12.7-unstable-2024-02-12

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
---
 pkgs/os-specific/linux/v4l2loopback/default.nix    |  6 +--
 .../linux/v4l2loopback/revert-pr518.patch          | 55 ----------------------
 2 files changed, 3 insertions(+), 58 deletions(-)
 delete mode 100644 pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch

diff --git a/pkgs/os-specific/linux/v4l2loopback/default.nix b/pkgs/os-specific/linux/v4l2loopback/default.nix
index 3d16748f05a2..1c4a20ae85fe 100644
--- a/pkgs/os-specific/linux/v4l2loopback/default.nix
+++ b/pkgs/os-specific/linux/v4l2loopback/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation {
   pname = "v4l2loopback";
-  version = "unstable-2023-11-23-${kernel.version}";
+  version = "0.12.7-unstable-2024-02-12-${kernel.version}";
 
   src = fetchFromGitHub {
     owner = "umlaeute";
     repo = "v4l2loopback";
-    rev = "850a2e36849f6ad3c9bf74f2ae3f603452bd8a71";
-    hash = "sha256-LqP5R3oKbjUQUfDZUWpkrmyopWhOt4wlgSgGywTPJXM=";
+    rev = "5d72c17f92ee0e38efbb7eb85e34443ecbf1a80c";
+    hash = "sha256-ggmYH5MUXhMPvA8UZ2EAG+eGoPTNbw7B8UxmmgP6CsE=";
   };
 
   hardeningDisable = [ "format" "pic" ];
diff --git a/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch b/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch
deleted file mode 100644
index d5d2564c32c4..000000000000
--- a/pkgs/os-specific/linux/v4l2loopback/revert-pr518.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-diff --git a/v4l2loopback.c b/v4l2loopback.c
-index 2ab1f76..2514f09 100644
---- a/v4l2loopback.c
-+++ b/v4l2loopback.c
-@@ -92,17 +92,6 @@ MODULE_LICENSE("GPL");
- 		}                                                      \
- 	} while (0)
- 
--/* TODO: Make sure that function is never interrupted. */
--static inline int mod_inc(int *number, int mod)
--{
--	int result;
--	result = (*number + 1) % mod;
--	if (unlikely(result < 0))
--		result += mod;
--	*number = result;
--	return result;
--}
--
- static inline void v4l2l_get_timestamp(struct v4l2_buffer *b)
- {
- 	/* ktime_get_ts is considered deprecated, so use ktime_get_ts64 if possible */
-@@ -1424,8 +1413,9 @@ static int vidioc_reqbufs(struct file *file, void *fh,
- 			i = dev->write_position;
- 			list_for_each_entry(pos, &dev->outbufs_list,
- 					    list_head) {
--				dev->bufpos2index[mod_inc(&i, b->count)] =
-+				dev->bufpos2index[i % b->count] =
- 					pos->buffer.index;
-+				++i;
- 			}
- 		}
- 
-@@ -1489,9 +1479,10 @@ static void buffer_written(struct v4l2_loopback_device *dev,
- 	del_timer_sync(&dev->timeout_timer);
- 	spin_lock_bh(&dev->lock);
- 
--	dev->bufpos2index[mod_inc(&dev->write_position, dev->used_buffers)] =
-+	dev->bufpos2index[dev->write_position % dev->used_buffers] =
- 		buf->buffer.index;
- 	list_move_tail(&buf->list_head, &dev->outbufs_list);
-+	++dev->write_position;
- 	dev->reread_count = 0;
- 
- 	check_timers(dev);
-@@ -1586,7 +1577,8 @@ static int get_capture_buffer(struct file *file)
- 		if (dev->write_position >
- 		    opener->read_position + dev->used_buffers)
- 			opener->read_position = dev->write_position - 1;
--		pos = mod_inc(&opener->read_position, dev->used_buffers);
-+		pos = opener->read_position % dev->used_buffers;
-+		++opener->read_position;
- 	}
- 	timeout_happened = dev->timeout_happened;
- 	dev->timeout_happened = 0;
-- 
cgit 1.4.1