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authorConor Curran <conor.curran@canonical.com>2010-02-03 05:55:06 -0800
committerConor Curran <conor.curran@canonical.com>2010-02-03 05:55:06 -0800
commit54209010fc5b99fd7074ae1271cfea86abaea5c6 (patch)
tree64558497d8a57bc82311b5725cd7e97a3524642c /src/pulse-manager.c
parent19eb7827d73b43d93aecfea4e1b7c4a2703f92c1 (diff)
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refactor/tidy up
Diffstat (limited to 'src/pulse-manager.c')
-rw-r--r--src/pulse-manager.c95
1 files changed, 47 insertions, 48 deletions
diff --git a/src/pulse-manager.c b/src/pulse-manager.c
index a33a05e..75fb08a 100644
--- a/src/pulse-manager.c
+++ b/src/pulse-manager.c
@@ -10,6 +10,7 @@ static GHashTable *sink_hash = NULL;
static SoundServiceDbus *dbus_service = NULL;
// Until we find a satisfactory default sink this index should remain < 0
static gint DEFAULT_SINK_INDEX = -1;
+static gboolean pa_server_available = FALSE;
// PA related
static pa_context *pulse_context = NULL;
static pa_glib_mainloop *pa_main_loop = NULL;
@@ -18,19 +19,32 @@ static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink_inf
static void context_success_callback(pa_context *c, int success, void *userdata);
static void pulse_sink_input_info_callback(pa_context *c, const pa_sink_input_info *info, int eol, void *userdata);
static void pulse_server_info_callback(pa_context *c, const pa_server_info *info, void *userdata);
-static void pulse_default_sink_set_volume_callback(pa_context *c, const pa_sink_info *info, int eol, void *userdata);
static void destroy_sink_info(void *value);
-
+/*
+Refine the resolution of the slider or binary scale it to achieve a more subtle volume control.
+Use the base volume stored in the sink struct to calculate actual linear volumes.
+*/
void set_sink_volume(guint percent)
{
g_debug("in the pulse manager:set_sink_volume with percent %i", percent);
if(DEFAULT_SINK_INDEX < 0)
{
- g_warning("We have no default sink !!! - returning after doing nothing");
+ g_warning("We have no default sink !!! - returning after not attempting to set any volume of any sink");
return;
}
- pa_context_get_sink_info_by_index(pulse_context, DEFAULT_SINK_INDEX, pulse_default_sink_set_volume_callback, GINT_TO_POINTER(percent));
+ gdouble linear_input = (gdouble)(percent);
+ linear_input /= 100.0;
+ g_debug("linear double input = %f", linear_input);
+ pa_volume_t new_volume = pa_sw_volume_from_linear(linear_input);
+ // Use this to achieve more accurate scaling using the base volume (in the sink struct already!)
+ //pa_volume_t new_volume = (pa_volume_t) ((GPOINTER_TO_INT(linear_input) * s->base_volume) / 100);
+ g_debug("about to try to set the sw volume to a linear volume of %f", pa_sw_volume_to_linear(new_volume));
+ g_debug("and an actual volume of %f", (gdouble)new_volume);
+ pa_cvolume dev_vol;
+ sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(DEFAULT_SINK_INDEX));
+ pa_cvolume_set(&dev_vol, s->volume.channels, new_volume);
+ pa_operation_unref(pa_context_set_sink_volume_by_index(pulse_context, DEFAULT_SINK_INDEX, &dev_vol, NULL, NULL));
}
void establish_pulse_activities(SoundServiceDbus *service)
@@ -84,27 +98,26 @@ static void test_hash(){
guint size = 0;
size = g_hash_table_size(sink_hash);
g_debug("Size of hash = %i", size);
- sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(2));
+ sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(DEFAULT_SINK_INDEX));
g_debug("The name of our sink is %s", s->name);
g_debug("and the max volume is %f", (gdouble)s->base_volume);
}
-/**
-TODO do not ship with this method like this - assumes sink index"
-**/
static gboolean sink_available()
{
if (g_hash_table_size(sink_hash) < 1)
return FALSE;
- sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(2));
+ sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(0));
// TODO more testing is required for the case of having no available sink
+ // This will need to iterate through the sinks to find an available
+ // one as opposed to just picking the first
return ((g_strcasecmp(s->name, " auto_null ") != 0) && s->active_port == TRUE);
}
//TODO do not ship with this method like this - LOGIC far too convoluted "
// Would like to use default parameter values ? (C Question)
-static gboolean sink_is_muted()
+static gboolean default_sink_is_muted()
{
if(DEFAULT_SINK_INDEX < 0)
return FALSE;
@@ -117,9 +130,9 @@ static gboolean sink_is_muted()
static void check_sink_input_while_muted_event(gint sink_index)
{
- if (sink_is_muted(sink_index) == TRUE)
+ if (default_sink_is_muted(sink_index) == TRUE)
{
- g_debug("SINKINPUTWHILEMUTED EVENT TO BE SENT FROM PA MANAGER");
+ g_debug("SINKINPUTWHILEMUTED SIGNAL EVENT TO BE SENT FROM PA MANAGER");
sound_service_dbus_sink_input_while_muted (dbus_service, sink_index, TRUE);
}
return;
@@ -140,12 +153,7 @@ static gdouble get_default_sink_volume()
/**********************************************************************************************************************/
// Pulse-Audio asychronous call-backs
/**********************************************************************************************************************/
-/*static void pulse_audio_server_info_callback(pa_context *c, const pa_server_info *server_info, void *userdata) */
-/*{*/
-/*}*/
-
-//NOT quite sure if the first fails and second fail will there be a memory leak?
static void gather_pulse_information(pa_context *c, void *userdata)
{
pa_operation *operation;
@@ -178,16 +186,23 @@ For now this callback it assumes it only used at startup. It may be necessary to
static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink, int eol, void *userdata)
{
if (eol > 0) {
- test_hash();
- DEFAULT_SINK_INDEX = (DEFAULT_SINK_INDEX < 0) ? 0 : DEFAULT_SINK_INDEX;
- update_pa_state(TRUE, sink_available(), sink_is_muted(), get_default_sink_volume());
- g_debug("default sink index : %d", DEFAULT_SINK_INDEX);
+ gboolean device_available;
+ device_available = sink_available();
+ if(device_available == TRUE)
+ {
+ // Hopefully the PA server has set the default device if not default to 0
+ DEFAULT_SINK_INDEX = (DEFAULT_SINK_INDEX < 0) ? 0 : DEFAULT_SINK_INDEX;
+ test_hash();
+ update_pa_state(TRUE, device_available, default_sink_is_muted(), get_default_sink_volume());
+ g_debug("default sink index : %d", DEFAULT_SINK_INDEX);
+
+ }
+ else{
+ //Update the indicator to show PA either is not ready or has no available sink
+ g_warning("Cannot find a suitable default sink ...");
+ update_pa_state(FALSE, device_available, TRUE, 0);
+ }
- // TODO follow this pattern for all other async call-backs involving lists - safest/most accurate approach.
- if (pa_context_errno(c) == PA_ERR_NOENTITY)
- return;
- g_warning("Sink info callback failure");
- return;
}
else{
sink_info *value;
@@ -204,26 +219,6 @@ static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink, in
g_hash_table_insert(sink_hash, GINT_TO_POINTER(sink->index), value);
}
}
-/**
-Will attempt to set the volume on the default sink - should not be called if there is no default sink
-**/
-static void pulse_default_sink_set_volume_callback(pa_context *c, const pa_sink_info *info, int eol, void *userdata)
-{
- g_debug("pulse_default_sink_set_volume_callback - percent = %i", GPOINTER_TO_INT(userdata));
- gdouble linear_input = (gdouble)(GPOINTER_TO_INT(userdata));
- linear_input /= 100.0;
- g_debug("linear double input = %f", linear_input);
- pa_volume_t new_volume = pa_sw_volume_from_linear(linear_input);
- //pa_volume_t new_volume = (pa_volume_t) ((GPOINTER_TO_INT(userdata) * PA_VOLUME_NORM) / 100);
- g_debug("about to try to set the sw volume to a linear volume of %f", pa_sw_volume_to_linear(new_volume));
- g_debug("and an actual volume of %f", (gdouble)new_volume);
- pa_cvolume dev_vol;
- g_debug("about to try and set the volume on the default sink");
- sink_info *s = g_hash_table_lookup(sink_hash, GINT_TO_POINTER(2));
- pa_cvolume_set(&dev_vol, s->volume.channels, new_volume);
- pa_operation_unref(pa_context_set_sink_volume_by_index(c, DEFAULT_SINK_INDEX, &dev_vol, NULL, NULL));
- g_debug("after setting the volume on the default sink");
-}
static void pulse_default_sink_info_callback(pa_context *c, const pa_sink_info *info, int eol, void *userdata)
{
@@ -267,9 +262,11 @@ static void pulse_server_info_callback(pa_context *c, const pa_server_info *info
if (info == NULL)
{
g_warning("No server - get the hell out of here");
+ update_pa_state(FALSE, FALSE, TRUE, 0);
+ pa_server_available = FALSE;
return;
}
-
+ pa_server_available = TRUE;
if(info->default_sink_name != NULL)
{
if (!(operation = pa_context_get_sink_info_by_name(c, info->default_sink_name, pulse_default_sink_info_callback, userdata)))
@@ -318,7 +315,9 @@ static void context_state_callback(pa_context *c, void *userdata) {
g_debug("context setting name");
break;
case PA_CONTEXT_FAILED:
- g_debug("FAILED to retrieve context");
+ g_warning("FAILED to retrieve context - Is PulseAudio Daemon running ?");
+ //Update the indicator to show PA either is not ready or has no available sink
+ update_pa_state(FALSE, FALSE, TRUE, 0);
break;
case PA_CONTEXT_TERMINATED:
g_debug("context terminated");