[pulseaudio-discuss] [PATCH RFC 1/4] device-port: Add volume to the ports struct.

[poljar (Damir Jelić)]

This patch adds a volume to the ports.
Now we can save and restore the volume per port.

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=55262
---
 src/pulsecore/device-port.c | 16 ++++++++++++++++
 src/pulsecore/device-port.h |  3 +++
 2 files changed, 19 insertions(+)

diff --git a/src/pulsecore/device-port.c b/src/pulsecore/device-port.c
index 9ea54e3..c7605d5 100644
--- a/src/pulsecore/device-port.c
+++ b/src/pulsecore/device-port.c
@@ -98,6 +98,7 @@ pa_device_port *pa_device_port_new(pa_core *c, const char *name, const char *des
     p->is_input = FALSE;
     p->is_output = FALSE;
     p->latency_offset = 0;
+    pa_cvolume_init(&p->volume);
     p->proplist = pa_proplist_new();
 
     return p;
@@ -147,3 +148,18 @@ void pa_device_port_set_latency_offset(pa_device_port *p, int64_t offset) {
         if (p == pa_hashmap_get(card->ports, p->name))
             pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, card->index);
 }
+
+void pa_device_port_set_volume(pa_device_port *p, pa_cvolume volume) {
+    uint32_t state;
+    pa_core *core;
+    pa_card *card;
+
+    pa_assert(p);
+
+    p->volume = volume;
+
+    pa_assert_se(core = p->core);
+    PA_IDXSET_FOREACH(card, core->cards, state)
+        if (p == pa_hashmap_get(card->ports, p->name))
+            pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, card->index);
+}
diff --git a/src/pulsecore/device-port.h b/src/pulsecore/device-port.h
index a5c6420..0d56079 100644
--- a/src/pulsecore/device-port.h
+++ b/src/pulsecore/device-port.h
@@ -33,6 +33,7 @@ typedef struct pa_device_port pa_device_port;
 #include <inttypes.h>
 
 #include <pulse/def.h>
+#include <pulse/volume.h>
 #include <pulsecore/object.h>
 #include <pulsecore/hashmap.h>
 #include <pulsecore/core.h>
@@ -52,6 +53,7 @@ struct pa_device_port {
     pa_bool_t is_input:1;
     pa_bool_t is_output:1;
     int64_t latency_offset;
+    pa_cvolume volume;
 
     /* .. followed by some implementation specific data */
 };
@@ -70,4 +72,5 @@ void pa_device_port_set_available(pa_device_port *p, pa_port_available_t availab
 
 void pa_device_port_set_latency_offset(pa_device_port *p, int64_t offset);
 
+void pa_device_port_set_volume(pa_device_port *p, pa_cvolume volume);
 #endif
-- 
1.8.1