From 56d46e62c178d1931c3879d5f8b2ce59d273e83f Mon Sep 17 00:00:00 2001
From: kennypm <kphelpsmckeown@gmail.com>
Date: Fri, 12 Aug 2022 11:30:12 -0400
Subject: [PATCH] add samplerate callback since pipewire supports dynamic
 samplerate changes

---
 include/modules/jack.hpp |  6 ++++--
 src/modules/jack.cpp     | 16 +++++++++++++---
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/include/modules/jack.hpp b/include/modules/jack.hpp
index e3a09cd..a3555be 100644
--- a/include/modules/jack.hpp
+++ b/include/modules/jack.hpp
@@ -15,7 +15,8 @@ class JACK : public ALabel {
   ~JACK() = default;
   auto update() -> void;
 
-  int                 bufSize(unsigned int size);
+  int                 bufSize(jack_nframes_t size);
+  int                 sampleRate(jack_nframes_t rate);
   int                 xrun();
   void                shutdown();
 
@@ -35,6 +36,7 @@ class JACK : public ALabel {
 
 }  // namespace waybar::modules
 
-int bufSizeCallback(unsigned int size, void *obj);
+int bufSizeCallback(jack_nframes_t size, void *obj);
+int sampleRateCallback(jack_nframes_t rate, void *obj);
 int xrunCallback(void *obj);
 void shutdownCallback(void *obj);
diff --git a/src/modules/jack.cpp b/src/modules/jack.cpp
index 72c5058..7e5ae63 100644
--- a/src/modules/jack.cpp
+++ b/src/modules/jack.cpp
@@ -40,6 +40,7 @@ std::string JACK::JACKState() {
 
   bufsize_ = jack_get_buffer_size(client_);
   samplerate_ = jack_get_sample_rate(client_);
+  jack_set_sample_rate_callback(client_, sampleRateCallback, this);
   jack_set_buffer_size_callback(client_, bufSizeCallback, this);
   jack_set_xrun_callback(client_, xrunCallback, this);
   jack_on_shutdown(client_, shutdownCallback, this);
@@ -89,9 +90,14 @@ auto JACK::update() -> void {
   ALabel::update();
 }
 
-int JACK::bufSize(unsigned int size) {
+int JACK::bufSize(jack_nframes_t size) {
   bufsize_ = size;
-  return size;
+  return 0;
+}
+
+int JACK::sampleRate(jack_nframes_t rate) {
+  samplerate_ = rate;
+  return 0;
 }
 
 int JACK::xrun() {
@@ -107,10 +113,14 @@ void JACK::shutdown() {
 
 }  // namespace waybar::modules
 
-int bufSizeCallback(unsigned int size, void *obj) {
+int bufSizeCallback(jack_nframes_t size, void *obj) {
   return static_cast<waybar::modules::JACK *>(obj)->bufSize(size);
 }
 
+int sampleRateCallback(jack_nframes_t rate, void *obj) {
+  return static_cast<waybar::modules::JACK *>(obj)->sampleRate(rate);
+}
+
 int xrunCallback(void *obj) { return static_cast<waybar::modules::JACK *>(obj)->xrun(); }
 
 void shutdownCallback(void *obj) { return static_cast<waybar::modules::JACK *>(obj)->shutdown(); }