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#include <pulse/glib-mainloop.h>
#include <pulse/error.h>
#include <pulse/gccmacro.h>
#include "pulse-manager.h"
#include "sound-service.h"
static GHashTable *sink_hash = NULL;
static SoundServiceDbus *dbus_service = NULL;
static gint DEFAULT_SINK_INDEX = 0;
// PA related
static pa_context *pulse_context = NULL;
static pa_glib_mainloop *pa_main_loop = NULL;
static void context_state_callback(pa_context *c, void *userdata);
static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink_info, int eol, void *userdata);
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);
pa_context* get_context(void)
{
return pulse_context;
}
void set_sink_volume(gint sink_index, gint percent)
{
g_debug("in the pulse manager:set_sink_volume with index %i and percent %i", sink_index, percent);
}
void establish_pulse_activities(SoundServiceDbus *service)
{
dbus_service = service;
pa_main_loop = pa_glib_mainloop_new(g_main_context_default());
g_assert(pa_main_loop);
pulse_context = pa_context_new(pa_glib_mainloop_get_api(pa_main_loop), "ayatana.indicator.sound");
g_assert(pulse_context);
sink_hash = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_free);
// Establish event callback registration
pa_context_set_state_callback(pulse_context, context_state_callback, NULL);
pa_context_connect(pulse_context, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
}
void close_pulse_activites()
{
if (pulse_context){
pa_context_unref(pulse_context);
pulse_context = NULL;
}
g_hash_table_destroy(sink_hash);
pa_glib_mainloop_free(pa_main_loop);
pa_main_loop = NULL;
}
static void mute_each_sink(gpointer key, gpointer value, gpointer user_data)
{
sink_info *info = (sink_info*)value;
pa_operation_unref(pa_context_set_sink_mute_by_index(pulse_context, info->index, GPOINTER_TO_INT(user_data), context_success_callback, NULL));
g_debug("in the pulse manager: mute each sink %i", GPOINTER_TO_INT(user_data));
}
void toggle_global_mute(gboolean mute_value)
{
g_hash_table_foreach(sink_hash, mute_each_sink, GINT_TO_POINTER(mute_value));
g_debug("in the pulse manager: toggle global mute value %i", mute_value);
}
static void test_hash(){
guint size = 0;
size = g_hash_table_size(sink_hash);
g_debug("Size of hash = %i", size);
gint *key;
key = g_new(gint, 1);
*key = 0;
sink_info *s = g_hash_table_lookup(sink_hash, key);
g_debug("and the name of our sink is %s", s->name);
}
static gboolean sink_available()
{
if (g_hash_table_size(sink_hash) < 1)
return FALSE;
int *key;
key = g_new(gint, 1);
*key = 0;
sink_info *s = g_hash_table_lookup(sink_hash, key);
//int value = g_strcasecmp(s->name, " auto_null ");
// TODO more testing is required for the case of having no available sink
return ((g_strcasecmp(s->name, " auto_null ") != 0) && s->active_port == TRUE);
}
// We are assuming the device is 0 for now.
// Would like to use default parameter values ? (C Question)
static gboolean sink_is_muted(gint sink_index)
{
if(sink_index < 0)
sink_index = DEFAULT_SINK_INDEX;
if (g_hash_table_size(sink_hash) < 1)
return FALSE;
int *key;
key = g_new(gint, 1);
*key = sink_index;
// TODO ensure hash has a key with this value!
sink_info *s = g_hash_table_lookup(sink_hash, key);
return s->mute;
}
static void check_sink_input_while_muted_event(gint sink_index)
{
if (sink_is_muted(sink_index) == TRUE)
{
g_debug("SINKINPUTWHILEMUTED EVENT TO BE SENT FROM PA MANAGER");
sound_service_dbus_sink_input_while_muted (dbus_service, sink_index, TRUE);
}
return;
}
/**********************************************************************************************************************/
// Pulse-Audio asychronous call-backs
/**********************************************************************************************************************/
/*static void pulse_audio_server_info_callback(pa_context *c, const pa_server_info *server_info, void *userdata) */
/*{*/
/*}*/
static void gather_pulse_information(pa_context *c, void *userdata)
{
pa_operation *operation;
if (!(operation = pa_context_get_sink_info_list(c, pulse_sink_info_callback, NULL)))
{
g_warning("pa_context_get_sink_info_list() failed");
return;
}
pa_operation_unref(operation);
}
static void context_success_callback(pa_context *c, int success, void *userdata)
{
g_debug("Context Success Callback - result = %i", success);
}
/**
On Service startup this callback will be called multiple times resulting our sinks_hash container to be filled with the
available sinks.
key -> index
value -> sink_info
For now this callback it assumes it only used at startup. It may be necessary to use if sinks become available after startup
**/
static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink, int eol, void *userdata)
{
if (eol > 0) {
test_hash();
update_pa_state(TRUE, sink_available(), sink_is_muted(-1));
// 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{
gint *key;
key = g_new(gint, 1);
*key = sink->index;
sink_info *value;
value = g_new(sink_info, 1);
value->index = value->device_index = sink->index;
value->name = sink->name;
value->description = sink->description;
value->icon_name = pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_ICON_NAME);
value->active_port = (sink->active_port != NULL);
value->mute = !!sink->mute;
g_hash_table_insert(sink_hash, key, value);
// VOLUME focus tmrw.
//value->volume = sink->volume;
//value->channel_map = sink->channel_map;
}
}
static void pulse_sink_input_info_callback(pa_context *c, const pa_sink_input_info *info, int eol, void *userdata){
if (eol > 0) {
if (pa_context_errno(c) == PA_ERR_NOENTITY)
return;
g_warning("Sink INPUT info callback failure");
return;
}
else{
if (info == NULL)
{
// TODO: watch this carefully - PA async api should not be doing this . . .
g_warning("\n Sink input info callback : SINK INPUT INFO IS NULL BUT EOL was not POSITIVE!!!");
return;
}
g_debug("\n SINK INPUT INFO sink index : %d \n", info->sink);
check_sink_input_while_muted_event(info->sink);
}
}
static void subscribed_events_callback(pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata){
switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
case PA_SUBSCRIPTION_EVENT_SINK:
//g_debug("Event sink for %i", index);
break;
case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
// This will be triggered when the sink receives input from a new stream
// If a playback client is paused and then resumed this will NOT trigger this event.
//g_debug("Subscribed_events_callback - type = sink input and index = %i", index);
//g_debug("Sink input info query just about to happen");
pa_operation_unref(pa_context_get_sink_input_info(c, index, pulse_sink_input_info_callback, userdata));
break;
}
}
static void context_state_callback(pa_context *c, void *userdata) {
switch (pa_context_get_state(c)) {
case PA_CONTEXT_UNCONNECTED:
g_debug("unconnected");
break;
case PA_CONTEXT_CONNECTING:
g_debug("connecting");
break;
case PA_CONTEXT_AUTHORIZING:
g_debug("authorizing");
break;
case PA_CONTEXT_SETTING_NAME:
g_debug("context setting name");
break;
case PA_CONTEXT_FAILED:
g_debug("FAILED to retrieve context");
break;
case PA_CONTEXT_TERMINATED:
g_debug("context terminated");
break;
case PA_CONTEXT_READY:
g_debug("PA daemon is ready");
pa_operation *o;
pa_context_set_subscribe_callback(c, subscribed_events_callback, userdata);
if (!(o = pa_context_subscribe(c, (pa_subscription_mask_t)
(PA_SUBSCRIPTION_MASK_SINK|
PA_SUBSCRIPTION_MASK_SOURCE|
PA_SUBSCRIPTION_MASK_SINK_INPUT|
PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT|
PA_SUBSCRIPTION_MASK_CLIENT|
PA_SUBSCRIPTION_MASK_SERVER|
PA_SUBSCRIPTION_MASK_CARD), NULL, NULL))) {
g_warning("pa_context_subscribe() failed");
return;
}
pa_operation_unref(o);
gather_pulse_information(c, userdata);
break;
}
}
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