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echo-cancel: Play nice with module-filter-*

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With automaticl filter loading by module-filter-apply, setting the
virtual sink/source to have the "phone" intended role will break routing
when you first connect a phone stream to an ALSA device and then turn on
your Bluetooth headset. This happens because module-intended-roles
doesn't move a stream if it is already on a device that provides the
required role.

This patch introduces a "manual_load" parameter that is meant to be used
when not using module-filter-apply for loading the AEC module. If this
parameter is set, the virtual devices are given the "phone" role, else
we count on module-filter-heuristics to do the right thing.
This commit is contained in:
Arun Raghavan 2011-04-22 17:44:50 +05:30 • committed by Colin Guthrie
parent 87570523f8
commit 8460466f86
1 changed files with 14 additions and 2 deletions
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12
src/modules/echo-cancel/module-echo-cancel.c
View file

@ -78,6 +78,7 @@ PA_MODULE_USAGE(
"aec_method=<implementation to use> "
"aec_args=<parameters for the AEC engine> "
"save_aec=<save AEC data in /tmp> "
"manual_load=<set if this module is being loaded manually> "
));
/* NOTE: Make sure the enum and ec_table are maintained in the correct order */
@ -106,6 +107,7 @@ static const pa_echo_canceller ec_table[] = {
#define DEFAULT_ADJUST_TIME_USEC (1*PA_USEC_PER_SEC)
#define DEFAULT_SAVE_AEC 0
#define DEFAULT_MANUAL_LOAD FALSE
#define MEMBLOCKQ_MAXLENGTH (16*1024*1024)
@ -156,6 +158,7 @@ struct userdata {
pa_core *core;
pa_module *module;
pa_bool_t manual_load;
uint32_t save_aec;
pa_echo_canceller *ec;
@ -210,6 +213,7 @@ static const char* const valid_modargs[] = {
"aec_method",
"aec_args",
"save_aec",
"manual_load",
NULL
};
@ -1394,6 +1398,12 @@ int pa__init(pa_module*m) {
goto fail;
}
u->manual_load = DEFAULT_MANUAL_LOAD;
if (pa_modargs_get_value_boolean(ma, "manual_load", &u->manual_load) < 0) {
pa_log("Failed to parse manual_load value");
goto fail;
}
u->asyncmsgq = pa_asyncmsgq_new(0);
u->need_realign = TRUE;
if (u->ec->init) {
@ -1413,6 +1423,7 @@ int pa__init(pa_module*m) {
pa_source_new_data_set_channel_map(&source_data, &source_map);
pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, source_master->name);
pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
if (u->manual_load)
pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
pa_proplist_sets(source_data.proplist, "device.echo-cancel.name", source_data.name);
@ -1460,6 +1471,7 @@ int pa__init(pa_module*m) {
pa_sink_new_data_set_channel_map(&sink_data, &sink_map);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, sink_master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
if (u->manual_load)
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
pa_proplist_sets(sink_data.proplist, "device.echo-cancel.name", sink_data.name);