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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    speaker.cpp

    Speaker output sound device.
    Microphone input sound device.

***************************************************************************/

#include "emu.h"
#include "emuopts.h"
#include "speaker.h"



DEFINE_DEVICE_TYPE(SPEAKER, speaker_device, "speaker", "Speaker")
DEFINE_DEVICE_TYPE(MICROPHONE, microphone_device, "microphone", "Microphone")

sound_io_device &sound_io_device::set_position(u32 channel, double x, double y, double z)
{
	if(channel >= m_positions.size())
		fatalerror("%s: Requested channel %d on %d channel device\n", tag(), channel, m_positions.size());
	m_positions[channel].m_x = x;
	m_positions[channel].m_y = y;
	m_positions[channel].m_z = z;
	return *this;
}

sound_io_device &sound_io_device::set_position(u32 channel, const osd::channel_position &pos)
{
	if(channel >= m_positions.size())
		fatalerror("%s: Requested channel %d on %d channel device\n", tag(), channel, m_positions.size());
	m_positions[channel] = pos;
	return *this;
}

sound_io_device::sound_io_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 channels) :
	device_t(mconfig, type, tag, owner, 0),
	device_sound_interface(mconfig, *this),
	m_positions(channels ? channels : 1)
{
}


sound_io_device::~sound_io_device()
{
}

speaker_device::~speaker_device()
{
}

microphone_device::~microphone_device()
{
}


void speaker_device::device_start()
{
	m_stream = stream_alloc(m_positions.size(), 0, machine().sample_rate());
}

void microphone_device::device_start()
{
	m_stream = stream_alloc(0, m_positions.size(), machine().sample_rate());
}

void speaker_device::sound_stream_update(sound_stream &stream)
{
	machine().sound().output_push(m_id, stream);
}

void microphone_device::sound_stream_update(sound_stream &stream)
{
	machine().sound().input_get(m_id, stream);
}