On a machine without fixed connecting audio devices like internal microphone or internal speaker, and when there is no external audio devices plugging in, the default source/sink is alsa_input/alsa_output and there is no input devices/output devices listed in the gnome sound-setting. Under this situation, if we connect a bluetooth headset, the gnome sound-setting will list bluez input/output devices, but they are not active devices by default. This looks very weird that sound-setting lists only one input device and one output device, but they are not active. To change this situation, we add an argument, the policy is if a new source/sink is connected and current default source/sink's active_port is AVAILABLE_NO, we let the new added one switch to default one. BugLink: http://bugs.launchpad.net/bugs/1369476 Signed-off-by: Hui Wang <hui.wang at canonical.com> --- src/modules/module-switch-on-connect.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/modules/module-switch-on-connect.c b/src/modules/module-switch-on-connect.c index d9275d3..658f0141 100644 --- a/src/modules/module-switch-on-connect.c +++ b/src/modules/module-switch-on-connect.c @@ -38,11 +38,15 @@ #include "module-switch-on-connect-symdef.h" PA_MODULE_AUTHOR("Michael Terry"); -PA_MODULE_DESCRIPTION("When a sink/source is added, switch to it"); +PA_MODULE_DESCRIPTION("When a sink/source is added, switch to it or conditionally switch to it"); PA_MODULE_VERSION(PACKAGE_VERSION); PA_MODULE_LOAD_ONCE(true); +PA_MODULE_USAGE( + "switch_on_unavailable=<only switch when default source/sink's active_port is unavailable> " +); static const char* const valid_modargs[] = { + "switch_on_unavailable", NULL, }; @@ -50,6 +54,7 @@ struct userdata { pa_hook_slot *sink_put_slot, *source_put_slot; + bool switch_on_unavailable; }; static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, void* userdata) { @@ -57,9 +62,11 @@ static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, void* uint32_t idx; pa_sink *def; const char *s; + struct userdata *u = userdata; pa_assert(c); pa_assert(sink); + pa_assert(userdata); /* Don't want to run during startup or shutdown */ if (c->state != PA_CORE_RUNNING) @@ -77,6 +84,10 @@ static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, void* if (def == sink) return PA_HOOK_OK; + if (u->switch_on_unavailable) + if (def->active_port && def->active_port->available != PA_AVAILABLE_NO) + return PA_HOOK_OK; + /* Actually do the switch to the new sink */ pa_namereg_set_default_sink(c, sink); @@ -106,9 +117,11 @@ static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source, uint32_t idx; pa_source *def; const char *s; + struct userdata *u = userdata; pa_assert(c); pa_assert(source); + pa_assert(userdata); /* Don't want to run during startup or shutdown */ if (c->state != PA_CORE_RUNNING) @@ -130,6 +143,10 @@ static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source, if (def == source) return PA_HOOK_OK; + if (u->switch_on_unavailable) + if (def->active_port && def->active_port->available != PA_AVAILABLE_NO) + return PA_HOOK_OK; + /* Actually do the switch to the new source */ pa_namereg_set_default_source(c, source); @@ -171,6 +188,8 @@ int pa__init(pa_module*m) { u->sink_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE+30, (pa_hook_cb_t) sink_put_hook_callback, u); u->source_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE+20, (pa_hook_cb_t) source_put_hook_callback, u); + pa_modargs_get_value_boolean(ma, "switch_on_unavailable", &u->switch_on_unavailable); + pa_modargs_free(ma); return 0; } -- 1.9.1
