diff options
Diffstat (limited to 'src/emu/speaker.h')
-rw-r--r-- | src/emu/speaker.h | 129 |
1 files changed, 82 insertions, 47 deletions
diff --git a/src/emu/speaker.h b/src/emu/speaker.h index 3cb0794d998..c4fd19edca1 100644 --- a/src/emu/speaker.h +++ b/src/emu/speaker.h @@ -5,8 +5,9 @@ speaker.h Speaker output sound device. + Microphone input sound device. - Speakers have (x, y, z) coordinates in 3D space: + They have (x, y, z) coordinates in 3D space: * Observer is at position (0, 0, 0) * Positive x is to the right of the observer * Negative x is to the left of the observer @@ -15,9 +16,6 @@ * Positive z is in front of the observer * Negative z is behind the observer - Currently, MAME only considers the sign of the x coordinate (not its - magnitude), and completely ignores the y and z coordinates. - ***************************************************************************/ #ifndef MAME_EMU_SPEAKER_H @@ -32,6 +30,7 @@ // device type definition DECLARE_DEVICE_TYPE(SPEAKER, speaker_device) +DECLARE_DEVICE_TYPE(MICROPHONE, microphone_device) @@ -39,65 +38,101 @@ DECLARE_DEVICE_TYPE(SPEAKER, speaker_device) // TYPE DEFINITIONS //************************************************************************** -// ======================> speaker_device +class sound_io_device : public device_t, public device_sound_interface +{ +public: + virtual ~sound_io_device(); + + // configuration helpers + sound_io_device &set_position(u32 channel, double x, double y, double z); + sound_io_device &front_center(u32 channel = 0) { return set_position(channel, 0.0, 0.0, 1.0); } + sound_io_device &front_left(u32 channel = 0) { return set_position(channel, -0.2, 0.0, 1.0); } + sound_io_device &front_floor(u32 channel = 0) { return set_position(channel, 0.0, -0.5, 1.0); } + sound_io_device &front_right(u32 channel = 0) { return set_position(channel, 0.2, 0.0, 1.0); } + sound_io_device &rear_center(u32 channel = 0) { return set_position(channel, 0.0, 0.0, -0.5); } + sound_io_device &rear_left(u32 channel = 0) { return set_position(channel, -0.2, 0.0, -0.5); } + sound_io_device &rear_right(u32 channel = 0) { return set_position(channel, 0.2, 0.0, -0.5); } + sound_io_device &headrest_center(u32 channel = 0) { return set_position(channel, 0.0, 0.0, -0.1); } + sound_io_device &headrest_left(u32 channel = 0) { return set_position(channel, -0.1, 0.0, -0.1); } + sound_io_device &headrest_right(u32 channel = 0) { return set_position(channel, 0.1, 0.0, -0.1); } + sound_io_device &seat(u32 channel = 0) { return set_position(channel, 0.0, -0.5, 0.0); } + sound_io_device &backrest(u32 channel = 0) { return set_position(channel, 0.0, -0.2, 0.1); } + sound_io_device &front() { return front_left(0).front_right(1); } + sound_io_device &rear() { return rear_left(0).rear_right(1); } + sound_io_device &corners() { return front_left(0).front_right(1).rear_left(2).rear_right(3); } + std::array<double, 3> get_position(u32 channel) const { return m_positions[channel]; } + std::string get_position_name(u32 channel) const; + + virtual bool is_output() const = 0; + void set_id(int id) { m_id = id; } + + sound_stream *stream() const { return m_stream; } + +protected: + struct position_name_mapping { + double m_x, m_y, m_z; + const char *m_name; + }; + + static const position_name_mapping position_name_mappings[]; -class speaker_device : public device_t, public device_mixer_interface + // configuration state + std::vector<std::array<double, 3>> m_positions; + sound_stream *m_stream; + int m_id; + + sound_io_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, double x, double y, double z) + : sound_io_device(mconfig, type, tag, owner, 1) + { + set_position(0, x, y, z); + } + sound_io_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 channels); // Collides with clock, but not important +}; + +class speaker_device : public sound_io_device { public: // construction/destruction speaker_device(const machine_config &mconfig, const char *tag, device_t *owner, double x, double y, double z) - : speaker_device(mconfig, tag, owner, 0) - { - set_position(x, y, z); - } - speaker_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); + : sound_io_device(mconfig, SPEAKER, tag, owner, x, y, z) {} + speaker_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 channels = 1) + : sound_io_device(mconfig, SPEAKER, tag, owner, channels) {} + virtual ~speaker_device(); - // configuration helpers - speaker_device &set_position(double x, double y, double z); - speaker_device &front_center() { set_position( 0.0, 0.0, 1.0); return *this; } - speaker_device &front_left() { set_position(-0.2, 0.0, 1.0); return *this; } - speaker_device &front_floor() { set_position( 0.0, -0.5, 1.0); return *this; } - speaker_device &front_right() { set_position( 0.2, 0.0, 1.0); return *this; } - speaker_device &rear_center() { set_position( 0.0, 0.0, -0.5); return *this; } - speaker_device &rear_left() { set_position(-0.2, 0.0, -0.5); return *this; } - speaker_device &rear_right() { set_position( 0.2, 0.0, -0.5); return *this; } - speaker_device &headrest_center() { set_position( 0.0, 0.0, -0.1); return *this; } - speaker_device &headrest_left() { set_position(-0.1, 0.0, -0.1); return *this; } - speaker_device &headrest_right() { set_position( 0.1, 0.0, -0.1); return *this; } - speaker_device &seat() { set_position( 0.0, -0.5, 0.0); return *this; } - speaker_device &backrest() { set_position( 0.0, -0.2, 0.1); return *this; } - - // internally for use by the sound system - void mix(stream_buffer::sample_t *leftmix, stream_buffer::sample_t *rightmix, attotime start, attotime end, int expected_samples, bool suppress); - - // user panning configuration - void set_pan(float pan) { m_pan = std::clamp(pan, -1.0f, 1.0f); } - float pan() { return m_pan; } - float defpan() { return m_defpan; } + virtual bool is_output() const override { return true; } protected: + // device-level overrides virtual void device_start() override ATTR_COLD; - virtual void device_stop() override ATTR_COLD; - // configuration state - double m_x; - double m_y; - double m_z; - float m_pan; - float m_defpan; - - // internal state - static constexpr int BUCKETS_PER_SECOND = 10; - std::vector<stream_buffer::sample_t> m_max_sample; - stream_buffer::sample_t m_current_max; - u32 m_samples_this_bucket; + virtual void sound_stream_update(sound_stream &stream) override; }; +class microphone_device : public sound_io_device +{ +public: + // construction/destruction + microphone_device(const machine_config &mconfig, const char *tag, device_t *owner, double x, double y, double z) + : sound_io_device(mconfig, MICROPHONE, tag, owner, x, y, z) {} + microphone_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 channels = 1) + : sound_io_device(mconfig, MICROPHONE, tag, owner, channels) {} + + virtual ~microphone_device(); + + virtual bool is_output() const override { return false; } + +protected: + + // device-level overrides + virtual void device_start() override ATTR_COLD; + + virtual void sound_stream_update(sound_stream &stream) override; +}; -// speaker device iterator using speaker_device_enumerator = device_type_enumerator<speaker_device>; +using microphone_device_enumerator = device_type_enumerator<microphone_device>; #endif // MAME_EMU_SPEAKER_H |