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/*
* module-agl-audio -- PulseAudio module for providing audio routing support
* (forked from "module-murphy-ivi" - https://github.com/otcshare )
* Copyright (c) 2012, Intel Corporation.
* Copyright (c) 2016, IoT.bzh
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St - Fifth Floor, Boston,
* MA 02110-1301 USA.
*
*/
#include <pulsecore/pulsecore-config.h> /* required for headers below */
#include <pulsecore/core-util.h> /* requred for "pa_streq" */
#include <pulsecore/namereg.h> /* for PA_NAMEREG_SOURCE */
#include "utils.h"
#include "switch.h"
#include "node.h"
bool agl_switch_setup_link (struct userdata *u, agl_node *from, agl_node *to, bool explicit)
{
pa_core *core;
pa_sink *sink;
pa_source *source;
pa_assert (u);
pa_assert_se (core = u->core);
/* EXPLICIT ROUTES/DEFAULT ROUTES */
/* 1) EXPLICIT ROUTES : "FROM" AND "TO" ARE DEFINED */
if (explicit) {
pa_assert (from);
pa_assert (to);
switch (from->implement) {
/* STREAM SOURCE */
case agl_stream:
switch (to->implement) {
/* STREAM TO STREAM : NOT IMPLEMENTED */
case agl_stream:
pa_log_debug ("routing to streams not implemented");
break;
/* STREAM TO DEVICE : OK */
case agl_device:
//if (!setup_explicit_stream2dev_link (u, from, to))
// return false;
break;
/* DEFAULT */
default:
pa_log ("can't setup link: invalid sink node");
return false;
}
break;
/* DEVICE SOURCE : NOT IMPLEMENTED */
case agl_device:
pa_log_debug("input device routing is not implemented yet");
break;
/* DEFAULT */
default:
pa_log ("can't setup link: invalid sink node");
return false;
}
}
/* 2) DEFAULT ROUTES : EITHER ONE OF "FROM" AND "TO" ARE DEFINED */
else {
pa_assert (from || to);
/* "TO" IS DEFINED */
if (to) {
switch (to->implement) {
/* STREAM DESTINATION */
case agl_stream:
switch (from->implement) {
/* STREAM TO STREAM : NOT IMPLEMENTED */
case agl_stream:
pa_log_debug ("routing to streams not implemented");
break;
/* DEVICE TO STREAM : OK */
case agl_device:
//if (!setup_default_dev2stream_link(u, from, to))
// return false;
break;
/* DEFAULT */
default:
pa_log ("can't setup link: invalid sink node");
return false;
}
break;
/* DEVICE DESTINATION */
case agl_device:
switch (from->implement) {
/* STREAM TO DEVICE : OK */
case agl_stream:
sink = agl_utils_get_alsa_sink (u, to->paname);
if (!sink) break;
source = agl_utils_get_null_source (u, from->nullsink);
from->loopnode = agl_loopnode_create (u, AGL_LOOPNODE_SINK, from->index, source->index, sink->index);
break;
/* DEVICE TO DEVICE : OK */
case agl_device:
//if (!setup_default_dev2dev_link (u, from, to))
// return false;
break;
/* DEFAULT */
default:
pa_log ("can't setup link: invalid source node");
return false;
}
break;
/* } */
/* DEFAULT DESTINATION : NULL */
default:
pa_log ("can't setup link");
return false;
}
}
/* ONLY "FROM" IS DEFINED */
else {
/* only works with a stream, use default input prerouting */
if (from->implement == agl_device) {
pa_log_debug ("default routing for a device input is not supported yet");
return false;
}
/* (the rest supposes "from->implement == agl_stream") */
/* refuse unknown node types for default routing */
if (from->type == agl_node_type_unknown) {
pa_log_debug ("default routing for unknown node type is refused");
return false;
}
sink = agl_utils_get_primary_alsa_sink (u);
source = agl_utils_get_null_source (u, from->nullsink);
from->loopnode = agl_loopnode_create (u, AGL_LOOPNODE_SINK, from->index, source->index, sink->index);
}
}
//pa_log_debug ("link %s => %s is established", from->amname, to->amname);
return true;
}
bool agl_switch_teardown_link (struct userdata *u, agl_node *from, agl_node *to)
{
pa_core *core;
pa_assert (u);
pa_assert_se (core = u->core);
pa_assert (from || to);
/* "TO" IS DEFINED */
if (to) {
}
/* ONLY "FROM" IS DEFINED */
else {
/* only works with a stream */
if (from->implement == agl_device) {
pa_log_debug ("default routing for a device input is not supported");
return false;
}
/* (the rest supposes "from->implement == agl_stream") */
if (from->loopnode)
agl_loopnode_destroy (u, from->loopnode);
if (from->nullsink)
agl_utils_destroy_null_sink (u, from->nullsink);
}
//pa_log_debug("link %s => %s is torn down", from->amname, to->amname);
return true;
}
bool set_port (struct userdata *u, agl_node *node)
{
pa_core *core;
pa_sink *sink;
pa_source *source;
pa_device_port *port;
void *data = NULL;
uint32_t paidx = PA_IDXSET_INVALID;
pa_assert (u);
pa_assert (node);
pa_assert (node->paname);
pa_assert_se (core = u->core);
if (node->direction != agl_input && node->direction != agl_output)
return false;
if (node->implement != agl_device)
return true;
if (!node->paport)
return true;
if (node->direction == agl_input) {
source = pa_namereg_get (core, node->paname, PA_NAMEREG_SOURCE);
if (!source) {
pa_log ("cannot set port for node '%s': source not found", node->paname);
return false;
}
port = source->active_port;
/* active port and wanted port already match */
if (pa_streq (node->paport, port->name))
return true;
/* ACTIVE CODE */
if (pa_source_set_port (source, node->paport, false) < 0)
return false;
data = source;
paidx = source->index;
}
if (node->direction == agl_output) {
sink = pa_namereg_get (core, node->paname, PA_NAMEREG_SINK);
if (!sink) {
pa_log ("cannot set port for node '%s': source not found", node->paname);
return false;
}
port = sink->active_port;
/* active port and wanted port already match */
if (pa_streq (node->paport, port->name))
return true;
/* ACTIVE CODE */
if (pa_sink_set_port (sink, node->paport, false) < 0)
return false;
data = sink;
paidx = sink->index;
}
return true;
}
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