From 16bde0c61dd7ce9c122e2cceb699dd899f03bf89 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 12 Mar 2026 16:01:52 +0100
Subject: [PATCH] filter-graph: set some more def/min/max for control input

So that the values don't get clamped to 0.0
---
 spa/plugins/filter-graph/plugin_builtin.c | 9 ++++++++-
 spa/plugins/filter-graph/plugin_ebur128.c | 1 +
 spa/plugins/filter-graph/plugin_onnx.c    | 4 ++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/spa/plugins/filter-graph/plugin_builtin.c b/spa/plugins/filter-graph/plugin_builtin.c
index f3a0a0946..3c15673db 100644
--- a/spa/plugins/filter-graph/plugin_builtin.c
+++ b/spa/plugins/filter-graph/plugin_builtin.c
@@ -1467,6 +1467,7 @@ static struct spa_fga_port clamp_ports[] = {
 	{ .index = 3,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 4,
 	  .name = "Min",
@@ -1524,6 +1525,7 @@ static struct spa_fga_port linear_ports[] = {
 	{ .index = 3,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 4,
 	  .name = "Mult",
@@ -1591,6 +1593,7 @@ static struct spa_fga_port recip_ports[] = {
 	{ .index = 3,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 };
 
@@ -1640,6 +1643,7 @@ static struct spa_fga_port exp_ports[] = {
 	{ .index = 3,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 4,
 	  .name = "Base",
@@ -1697,6 +1701,7 @@ static struct spa_fga_port log_ports[] = {
 	{ .index = 3,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 4,
 	  .name = "Base",
@@ -2660,6 +2665,7 @@ static struct spa_fga_port debug_ports[] = {
 	{ .index = 2,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 3,
 	  .name = "Notify",
@@ -3006,7 +3012,7 @@ static struct spa_fga_port noisegate_ports[] = {
 	{ .index = 2,
 	  .name = "Level",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
-	  .def = NAN
+	  .def = NAN, .min = -FLT_MAX, .max = FLT_MAX
 	},
 	{ .index = 3,
 	  .name = "Open Threshold",
@@ -3247,6 +3253,7 @@ static struct spa_fga_port null_ports[] = {
 	{ .index = 1,
 	  .name = "Control",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = -FLT_MAX, .max = FLT_MAX
 	},
 };
 
diff --git a/spa/plugins/filter-graph/plugin_ebur128.c b/spa/plugins/filter-graph/plugin_ebur128.c
index fb79de590..02fbcbe53 100644
--- a/spa/plugins/filter-graph/plugin_ebur128.c
+++ b/spa/plugins/filter-graph/plugin_ebur128.c
@@ -399,6 +399,7 @@ static struct spa_fga_port lufs2gain_ports[] = {
 	{ .index = 0,
 	  .name = "LUFS",
 	  .flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_CONTROL,
+	  .def = 0.0f, .min = 0.0f, .max = FLT_MAX
 	},
 	{ .index = 1,
 	  .name = "Gain",
diff --git a/spa/plugins/filter-graph/plugin_onnx.c b/spa/plugins/filter-graph/plugin_onnx.c
index 3ef12e963..13fccee56 100644
--- a/spa/plugins/filter-graph/plugin_onnx.c
+++ b/spa/plugins/filter-graph/plugin_onnx.c
@@ -593,6 +593,10 @@ static const struct spa_fga_descriptor *onnx_plugin_make_desc(void *plugin, cons
 			fp->flags |= SPA_FGA_PORT_OUTPUT;
 
 		fp->name = ti->data_name;
+		fp->min = -FLT_MAX;
+		fp->max = FLT_MAX;
+		fp->def = 0.0f;
+
 		ti->data_index = desc->desc.n_ports;
 
 		desc->desc.n_ports++;