From 84071d2cacc0773a21524211a20e6068989d3883 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 22 Aug 2019 13:25:01 +0200
Subject: [PATCH] jack: implement statistics

---
 src/meson.build     |  1 -
 src/pipewire-jack.c |  2 ++
 src/statistics.c    | 34 +++++++++++++++++++---------------
 3 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/src/meson.build b/src/meson.build
index f8e80625e..a2269e7b4 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -2,7 +2,6 @@ pipewire_jack_sources = [
   'pipewire-jack.c',
   'metadata.c',
   'ringbuffer.c',
-  'statistics.c',
   'uuid.c',
 ]
 
diff --git a/src/pipewire-jack.c b/src/pipewire-jack.c
index 0aeff5ed9..bc549d5df 100644
--- a/src/pipewire-jack.c
+++ b/src/pipewire-jack.c
@@ -2246,6 +2246,8 @@ float jack_cpu_load (jack_client_t *client)
 	return res;
 }
 
+#include "statistics.c"
+
 SPA_EXPORT
 jack_port_t * jack_port_register (jack_client_t *client,
                                   const char *port_name,
diff --git a/src/statistics.c b/src/statistics.c
index a99f7ee77..260b10b8e 100644
--- a/src/statistics.c
+++ b/src/statistics.c
@@ -17,34 +17,38 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
 #include <jack/statistics.h>
 
-#include <pipewire/pipewire.h>
-
 SPA_EXPORT
 float jack_get_max_delayed_usecs (jack_client_t *client)
 {
-	pw_log_warn("not implemented");
-	return 0.0f;
+	struct client *c = (struct client *) client;
+	float res = 0.0f;
+
+	if (c->driver_activation)
+		res = (float)c->driver_activation->max_delay / SPA_USEC_PER_SEC;
+
+	pw_log_trace(NAME" %p: max delay %f", client, res);
+	return res;
 }
 
 SPA_EXPORT
 float jack_get_xrun_delayed_usecs (jack_client_t *client)
 {
-	pw_log_warn("not implemented");
-	return 0.0f;
+	struct client *c = (struct client *) client;
+	float res = 0.0f;
+
+	if (c->driver_activation)
+		res = (float)c->driver_activation->xrun_delay / SPA_USEC_PER_SEC;
+
+	pw_log_trace(NAME" %p: xrun delay %f", client, res);
+	return res;
 }
 
 SPA_EXPORT
 void jack_reset_max_delayed_usecs (jack_client_t *client)
 {
-	pw_log_warn("not implemented");
+	struct client *c = (struct client *) client;
+	if (c->driver_activation)
+		c->driver_activation->max_delay = 0;
 }