void device_sound_interface::set_input_gain(int inputnum, float gain)
{
int stream_inputnum;
sound_stream *stream = input_to_stream_input(inputnum, stream_inputnum);
if (stream != nullptr)
stream->set_input_gain(stream_inputnum, gain);
}
void device_sound_interface::interface_post_start()
{
// iterate over all the sound devices
device_sound_interface *sound = NULL;
for (bool gotone = m_device.machine().devicelist().first(sound); gotone; gotone = sound->next(sound))
{
// scan each route on the device
for (const sound_route *route = sound->first_route(); route != NULL; route = route->next())
{
// if we are the target of this route, hook it up
device_t *target_device = m_device.machine().device(route->m_target);
if (target_device == &m_device)
{
// iterate over all outputs, matching any that apply
int inputnum = route->m_input;
int numoutputs = sound->outputs();
for (int outputnum = 0; outputnum < numoutputs; outputnum++)
if (route->m_output == outputnum || route->m_output == ALL_OUTPUTS)
{
// find the output stream to connect from
int streamoutputnum;
sound_stream *outputstream = sound->output_to_stream_output(outputnum, streamoutputnum);
if (outputstream == NULL)
fatalerror("Sound device '%s' specifies route for non-existant output #%d", route->m_target, outputnum);
// find the input stream to connect to
int streaminputnum;
sound_stream *inputstream = input_to_stream_input(inputnum++, streaminputnum);
if (inputstream == NULL)
fatalerror("Sound device '%s' targeted output #%d to non-existant device '%s' input %d", route->m_target, outputnum, m_device.tag(), inputnum - 1);
// set the input
inputstream->set_input(streaminputnum, outputstream, streamoutputnum, route->m_gain);
}
}
}
}
}
void device_sound_interface::interface_post_start()
{
// iterate over all the sound devices
for (device_sound_interface &sound : sound_interface_iterator(m_device.machine().root_device()))
{
// scan each route on the device
for (sound_route const &route : sound.routes())
{
// if we are the target of this route, hook it up
device_t *const target_device = route.m_base.get().subdevice(route.m_target.c_str());
if (target_device == &m_device)
{
// iterate over all outputs, matching any that apply
int inputnum = route.m_input;
int const numoutputs = sound.outputs();
for (int outputnum = 0; outputnum < numoutputs; outputnum++)
if ((route.m_output == outputnum) || (route.m_output == ALL_OUTPUTS))
{
// find the output stream to connect from
int streamoutputnum;
sound_stream *const outputstream = sound.output_to_stream_output(outputnum, streamoutputnum);
if (!outputstream)
fatalerror("Sound device '%s' specifies route for nonexistent output #%d\n", sound.device().tag(), outputnum);
// find the input stream to connect to
int streaminputnum;
sound_stream *const inputstream = input_to_stream_input(inputnum++, streaminputnum);
if (!inputstream)
fatalerror("Sound device '%s' targeted output #%d to nonexistent device '%s' input %d\n", sound.device().tag(), outputnum, m_device.tag(), inputnum - 1);
// set the input
inputstream->set_input(streaminputnum, outputstream, streamoutputnum, route.m_gain);
}
}
}
}
}
float device_sound_interface::input_gain(int inputnum) const
{
int stream_inputnum;
sound_stream *stream = input_to_stream_input(inputnum, stream_inputnum);
return (stream != nullptr) ? stream->input_gain(stream_inputnum) : 0.0f;
}