mirror of
https://github.com/holub/mame
synced 2025-06-06 04:43:45 +03:00
d0f1c15a0f
Should be added soon: - mute - speaker/microphone resampling To be added a little later: - compression - reverb Needs to be added by someone else: - coreaudio - direct - portaudio - xaudio2 - js
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Aaron Giles
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/***************************************************************************
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speaker.cpp
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Speaker output sound device.
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Microphone input sound device.
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***************************************************************************/
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#include "emu.h"
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#include "emuopts.h"
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#include "speaker.h"
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DEFINE_DEVICE_TYPE(SPEAKER, speaker_device, "speaker", "Speaker")
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DEFINE_DEVICE_TYPE(MICROPHONE, microphone_device, "microphone", "Microphone")
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const sound_io_device::position_name_mapping sound_io_device::position_name_mappings[] = {
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{ 0.0, 0.0, 1.0, "Front center" },
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{ -0.2, 0.0, 1.0, "Front left" },
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{ 0.0, -0.5, 1.0, "Front floor" },
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{ 0.2, 0.0, 1.0, "Front right" },
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{ 0.0, 0.0, -0.5, "Rear center" },
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{ -0.2, 0.0, -0.5, "Rear left" },
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{ 0.2, 0.0, -0.5, "Read right" },
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{ 0.0, 0.0, -0.1, "Headrest center" },
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{ -0.1, 0.0, -0.1, "Headrest left" },
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{ 0.1, 0.0, -0.1, "Headrest right" },
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{ 0.0, -0.5, 0.0, "Seat" },
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{ 0.0, -0.2, 0.1, "Backrest" },
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{ }
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};
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std::string sound_io_device::get_position_name(u32 channel) const
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{
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for(unsigned int i = 0; position_name_mappings[i].m_name; i++)
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if(m_positions[channel][0] == position_name_mappings[i].m_x && m_positions[channel][1] == position_name_mappings[i].m_y && m_positions[channel][2] == position_name_mappings[i].m_z)
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return position_name_mappings[i].m_name;
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return util::string_format("#%d", channel);
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}
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sound_io_device &sound_io_device::set_position(u32 channel, double x, double y, double z)
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{
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if(channel >= m_positions.size())
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fatalerror("%s: Requested channel %d on %d channel device\n", tag(), channel, m_positions.size());
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m_positions[channel][0] = x;
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m_positions[channel][1] = y;
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m_positions[channel][2] = z;
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return *this;
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}
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sound_io_device::sound_io_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 channels) :
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device_t(mconfig, type, tag, owner, 0),
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device_sound_interface(mconfig, *this),
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m_positions(channels ? channels : 1)
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{
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}
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sound_io_device::~sound_io_device()
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{
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}
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speaker_device::~speaker_device()
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{
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}
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microphone_device::~microphone_device()
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{
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}
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void speaker_device::device_start()
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{
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m_stream = stream_alloc(m_positions.size(), 0, machine().sample_rate());
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}
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void microphone_device::device_start()
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{
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m_stream = stream_alloc(0, m_positions.size(), machine().sample_rate());
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}
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void speaker_device::sound_stream_update(sound_stream &stream)
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{
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machine().sound().output_push(m_id, stream);
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}
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void microphone_device::sound_stream_update(sound_stream &stream)
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{
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machine().sound().input_get(m_id, stream);
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}
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