---
src/modules/bluetooth/module-bluetooth-device.c | 78 ++++++++++++++++++++-
src/modules/bluetooth/module-bluetooth-discover.c | 16 ++++
2 files changed, 93 insertions(+), 1 deletions(-)
diff --git a/src/modules/bluetooth/module-bluetooth-device.c b/src/modules/bluetooth/module-bluetooth-device.c
index 7992e12..1d84437 100644
--- a/src/modules/bluetooth/module-bluetooth-device.c
+++ b/src/modules/bluetooth/module-bluetooth-device.c
@@ -79,7 +79,8 @@ PA_MODULE_USAGE(
"path=<device object path> "
"auto_connect=<automatically connect?> "
"sco_sink=<SCO over PCM sink name> "
- "sco_source=<SCO over PCM source name>");
+ "sco_source=<SCO over PCM source name>"
+ "auto_loopback=<automatically loopback?>");
/* TODO: not close fd when entering suspend mode in a2dp */
@@ -99,6 +100,7 @@ static const char* const valid_modargs[] = {
"auto_connect",
"sco_sink",
"sco_source",
+ "auto_loopback",
NULL
};
@@ -146,12 +148,14 @@ struct userdata {
pa_bluetooth_discovery *discovery;
pa_bool_t auto_connect;
+ pa_bool_t auto_loopback;
pa_dbus_connection *connection;
pa_card *card;
pa_sink *sink;
pa_source *source;
+ uint32_t source_loop;
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
@@ -203,6 +207,63 @@ enum {
static int init_bt(struct userdata *u);
static int init_profile(struct userdata *u);
+static int loopback_source(struct userdata *u) {
+ pa_source *defsource;
+ pa_sink *defsink;
+ const char *s;
+ pa_module *m = NULL;
+ char *args;
+
+ pa_assert(u->core);
+ pa_assert(u->source);
+ pa_assert(u->source_loop == PA_IDXSET_INVALID);
+
+ /* Don't want to run during startup or shutdown */
+ if (u->core->state != PA_CORE_RUNNING)
+ return -1;
+
+ /* Don't switch to any internal devices */
+ if ((s = pa_proplist_gets(u->source->proplist, PA_PROP_DEVICE_BUS))) {
+ if (pa_streq(s, "pci"))
+ return -1;
+ else if (pa_streq(s, "isa"))
+ return -1;
+ }
+
+ /* Do not loopback default source over default sink */
+ defsource = pa_namereg_get_default_source(u->core);
+ if (defsource == u->source)
+ return -1;
+
+ defsink = pa_namereg_get_default_sink(u->core);
+ if (!defsink) {
+ pa_log_debug("Cannot find suitable sink for loopback from %s", u->source->name);
+ return -1;
+ }
+
+ /* Load module-loopback with default source */
+ args = pa_sprintf_malloc("source=\"%s\" sink=\"%s\" source_dont_move=\"true\"", u->source->name, defsink->name);
+ m = pa_module_load(u->core, "module-loopback", args);
+
+ if (m) {
+ u->source_loop = m->index;
+ } else {
+ pa_log_debug("Failed to loopback source %s with args '%s'", u->source->name, args);
+ pa_xfree(args);
+ }
+
+ return 0;
+}
+
+static void loopback_stop(struct userdata *u) {
+ pa_assert(u->core);
+
+ if (u->source_loop != PA_IDXSET_INVALID) {
+ pa_module_unload_by_index(u->core, u->source_loop, TRUE);
+ u->source_loop = PA_IDXSET_INVALID;
+ }
+}
+
static int service_send(struct userdata *u, const bt_audio_msg_header_t *msg) {
ssize_t r;
@@ -2573,6 +2634,9 @@ static int start_thread(struct userdata *u) {
pa_source_set_rtpoll(u->source, u->rtpoll);
pa_source_put(u->source);
+ if (u->auto_loopback)
+ loopback_source(u);
+
if (u->source->set_volume)
u->source->set_volume(u->source);
}
@@ -2632,6 +2696,9 @@ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) {
return -PA_ERR_IO;
}
+ /* We need to stop loopback before trying to move all other sink inputs/source outputs */
+ loopback_stop(u);
+
if (u->sink) {
inputs = pa_sink_move_all_start(u->sink, NULL);
@@ -2914,6 +2981,7 @@ int pa__init(pa_module* m) {
u->stream_fd = -1;
u->sample_spec = m->core->default_sample_spec;
u->modargs = ma;
+ u->source_loop = PA_IDXSET_INVALID;
if (pa_modargs_get_value(ma, "sco_sink", NULL) &&
!(u->hsp.sco_sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sco_sink", NULL), PA_NAMEREG_SINK))) {
@@ -2939,6 +3007,12 @@ int pa__init(pa_module* m) {
goto fail;
}
+ u->auto_loopback = FALSE;
+ if (pa_modargs_get_value_boolean(ma, "auto_loopback", &u->auto_loopback)) {
+ pa_log("Failed to parse auto_loopback= argument");
+ goto fail;
+ }
+
channels = u->sample_spec.channels;
if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0 ||
channels <= 0 || channels > PA_CHANNELS_MAX) {
@@ -3038,6 +3112,8 @@ void pa__done(pa_module *m) {
if (!(u = m->userdata))
return;
+ loopback_stop(u);
+
if (u->sink && !USE_SCO_OVER_PCM(u))
pa_sink_unlink(u->sink);
diff --git a/src/modules/bluetooth/module-bluetooth-discover.c b/src/modules/bluetooth/module-bluetooth-discover.c
index e96a4f3..0f01bc3 100644
--- a/src/modules/bluetooth/module-bluetooth-discover.c
+++ b/src/modules/bluetooth/module-bluetooth-discover.c
@@ -49,6 +49,7 @@ static const char* const valid_modargs[] = {
"sco_sink",
"sco_source",
"async",
+ "auto_loopback",
NULL
};
@@ -59,6 +60,7 @@ struct userdata {
pa_bluetooth_discovery *discovery;
pa_hook_slot *slot;
pa_hashmap *hashmap;
+ pa_bool_t auto_loopback;
};
struct module_info {
@@ -113,6 +115,13 @@ static pa_hook_result_t load_module_for_device(pa_bluetooth_discovery *y, const
if (d->hfgw_state >= PA_BT_AUDIO_STATE_CONNECTED)
args = pa_sprintf_malloc("%s profile=\"hfgw\"", args);
+ if (u->auto_loopback) {
+ char *tmp;
+ tmp = pa_sprintf_malloc("%s auto_loopback=%s", args, u->auto_loopback ? "yes" : "no");
+ pa_xfree(args);
+ args = tmp;
+ }
+
pa_log_debug("Loading module-bluetooth-device %s", args);
m = pa_module_load(u->module->core, "module-bluetooth-device", args);
pa_xfree(args);
@@ -149,6 +158,7 @@ int pa__init(pa_module* m) {
struct userdata *u;
pa_modargs *ma = NULL;
pa_bool_t async = FALSE;
+ pa_bool_t auto_loopback = FALSE;
pa_assert(m);
@@ -162,10 +172,16 @@ int pa__init(pa_module* m) {
goto fail;
}
+ if (pa_modargs_get_value_boolean(ma, "auto_loopback", &auto_loopback)) {
+ pa_log("Failed to parse auto_loopback= argument");
+ goto fail;
+ }
+
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
u->core = m->core;
u->modargs = ma;
+ u->auto_loopback = auto_loopback;
ma = NULL;
u->hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
--
1.7.5.4
