From 74a7580131ac3d3caa12c8ad6fab4adf09c16d0b Mon Sep 17 00:00:00 2001
From: jb-alvarado <jb@pixelcrusher.de>
Date: Thu, 4 Feb 2021 12:57:33 +0100
Subject: [PATCH] add audio volume filter

---
 ffplayout/filters/a_volume.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 ffplayout/filters/a_volume.py

diff --git a/ffplayout/filters/a_volume.py b/ffplayout/filters/a_volume.py
new file mode 100644
index 00000000..ca495dfb
--- /dev/null
+++ b/ffplayout/filters/a_volume.py
@@ -0,0 +1,10 @@
+from ffplayout.utils import get_float, stdin_args
+
+
+def filter(probe, node=None):
+    """
+    set audio volume
+    """
+
+    if stdin_args.volume and get_float(stdin_args.volume, False):
+        return f'volume={stdin_args.volume}'