/*- * Copyright (c) 2012-2022 Hans Petter Selasky * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _VIRTUAL_OSS_H_ #define _VIRTUAL_OSS_H_ #include #define VIRTUAL_OSS_NAME_MAX 32 #define VIRTUAL_OSS_VERSION 0x00010008 #define VIRTUAL_OSS_OPTIONS_MAX 1024 /* bytes */ #define VIRTUAL_OSS_FILTER_MAX 65536 /* samples */ #define VIRTUAL_OSS_GET_VERSION _IOR('O', 0, int) struct virtual_oss_io_info { int number; /* must be first */ int channel; char name[VIRTUAL_OSS_NAME_MAX]; int bits; int rx_amp; int tx_amp; int rx_chan; int tx_chan; int rx_mute; int tx_mute; int rx_pol; int tx_pol; int rx_delay; /* in samples */ int rx_delay_limit; /* in samples */ }; #define VIRTUAL_OSS_GET_DEV_INFO _IOWR('O', 1, struct virtual_oss_io_info) #define VIRTUAL_OSS_SET_DEV_INFO _IOW('O', 2, struct virtual_oss_io_info) #define VIRTUAL_OSS_GET_LOOP_INFO _IOWR('O', 3, struct virtual_oss_io_info) #define VIRTUAL_OSS_SET_LOOP_INFO _IOW('O', 4, struct virtual_oss_io_info) struct virtual_oss_mon_info { int number; int bits; int src_chan; int dst_chan; int pol; int mute; int amp; }; #define VIRTUAL_OSS_GET_INPUT_MON_INFO _IOWR('O', 5, struct virtual_oss_mon_info) #define VIRTUAL_OSS_SET_INPUT_MON_INFO _IOW('O', 6, struct virtual_oss_mon_info) #define VIRTUAL_OSS_GET_OUTPUT_MON_INFO _IOWR('O', 7, struct virtual_oss_mon_info) #define VIRTUAL_OSS_SET_OUTPUT_MON_INFO _IOW('O', 8, struct virtual_oss_mon_info) #define VIRTUAL_OSS_GET_LOCAL_MON_INFO _IOWR('O', 43, struct virtual_oss_mon_info) #define VIRTUAL_OSS_SET_LOCAL_MON_INFO _IOW('O', 44, struct virtual_oss_mon_info) struct virtual_oss_io_peak { int number; /* must be first */ int channel; char name[VIRTUAL_OSS_NAME_MAX]; int bits; long long rx_peak_value; long long tx_peak_value; }; #define VIRTUAL_OSS_GET_DEV_PEAK _IOWR('O', 9, struct virtual_oss_io_peak) #define VIRTUAL_OSS_GET_LOOP_PEAK _IOWR('O', 10, struct virtual_oss_io_peak) struct virtual_oss_mon_peak { int number; int bits; long long peak_value; }; #define VIRTUAL_OSS_GET_INPUT_MON_PEAK _IOWR('O', 11, struct virtual_oss_mon_peak) #define VIRTUAL_OSS_GET_OUTPUT_MON_PEAK _IOWR('O', 12, struct virtual_oss_mon_peak) #define VIRTUAL_OSS_GET_LOCAL_MON_PEAK _IOWR('O', 45, struct virtual_oss_mon_peak) #define VIRTUAL_OSS_ADD_INPUT_MON _IOR('O', 13, int) #define VIRTUAL_OSS_ADD_OUTPUT_MON _IOR('O', 14, int) #define VIRTUAL_OSS_ADD_LOCAL_MON _IOR('O', 46, int) struct virtual_oss_compressor { int enabled; int knee; #define VIRTUAL_OSS_KNEE_MAX 255 /* inclusive */ #define VIRTUAL_OSS_KNEE_MIN 0 int attack; #define VIRTUAL_OSS_ATTACK_MAX 62 /* inclusive */ #define VIRTUAL_OSS_ATTACK_MIN 0 int decay; #define VIRTUAL_OSS_DECAY_MAX 62 /* inclusive */ #define VIRTUAL_OSS_DECAY_MIN 0 int gain; /* read only */ #define VIRTUAL_OSS_GAIN_MAX 1000 /* inclusive */ #define VIRTUAL_OSS_GAIN_MIN 0 }; #define VIRTUAL_OSS_SET_OUTPUT_LIMIT _IOW('O', 17, struct virtual_oss_compressor) #define VIRTUAL_OSS_GET_OUTPUT_LIMIT _IOWR('O', 18, struct virtual_oss_compressor) struct virtual_oss_io_limit { int number; /* must be first */ struct virtual_oss_compressor param; }; #define VIRTUAL_OSS_SET_DEV_LIMIT _IOW('O', 19, struct virtual_oss_io_limit) #define VIRTUAL_OSS_GET_DEV_LIMIT _IOWR('O', 20, struct virtual_oss_io_limit) #define VIRTUAL_OSS_SET_LOOP_LIMIT _IOW('O', 21, struct virtual_oss_io_limit) #define VIRTUAL_OSS_GET_LOOP_LIMIT _IOWR('O', 22, struct virtual_oss_io_limit) struct virtual_oss_master_peak { int channel; int bits; long long peak_value; }; #define VIRTUAL_OSS_GET_OUTPUT_PEAK _IOWR('O', 23, struct virtual_oss_master_peak) #define VIRTUAL_OSS_GET_INPUT_PEAK _IOWR('O', 24, struct virtual_oss_master_peak) #define VIRTUAL_OSS_SET_RECORDING _IOW('O', 25, int) #define VIRTUAL_OSS_GET_RECORDING _IOR('O', 26, int) struct virtual_oss_audio_delay_locator { int channel_output; int channel_input; int channel_last; int signal_output_level; /* 2**n */ int signal_input_delay; /* in samples, roundtrip */ int signal_delay_hz; /* in samples, HZ */ int locator_enabled; }; #define VIRTUAL_OSS_SET_AUDIO_DELAY_LOCATOR _IOW('O', 27, struct virtual_oss_audio_delay_locator) #define VIRTUAL_OSS_GET_AUDIO_DELAY_LOCATOR _IOR('O', 28, struct virtual_oss_audio_delay_locator) #define VIRTUAL_OSS_RST_AUDIO_DELAY_LOCATOR _IO('O', 29) struct virtual_oss_midi_delay_locator { int channel_output; int channel_input; int signal_delay; int signal_delay_hz; /* in samples, HZ */ int locator_enabled; }; #define VIRTUAL_OSS_SET_MIDI_DELAY_LOCATOR _IOW('O', 30, struct virtual_oss_midi_delay_locator) #define VIRTUAL_OSS_GET_MIDI_DELAY_LOCATOR _IOR('O', 31, struct virtual_oss_midi_delay_locator) #define VIRTUAL_OSS_RST_MIDI_DELAY_LOCATOR _IO('O', 32) #define VIRTUAL_OSS_ADD_OPTIONS _IOWR('O', 33, char [VIRTUAL_OSS_OPTIONS_MAX]) struct virtual_oss_fir_filter { int number; /* must be first */ int channel; int filter_size; double *filter_data; }; #define VIRTUAL_OSS_GET_RX_DEV_FIR_FILTER _IOWR('O', 34, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_SET_RX_DEV_FIR_FILTER _IOWR('O', 35, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_GET_TX_DEV_FIR_FILTER _IOWR('O', 36, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_SET_TX_DEV_FIR_FILTER _IOWR('O', 37, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_GET_RX_LOOP_FIR_FILTER _IOWR('O', 38, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_SET_RX_LOOP_FIR_FILTER _IOWR('O', 39, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_GET_TX_LOOP_FIR_FILTER _IOWR('O', 40, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_SET_TX_LOOP_FIR_FILTER _IOWR('O', 41, struct virtual_oss_fir_filter) #define VIRTUAL_OSS_GET_SAMPLE_RATE _IOR('O', 42, int) struct virtual_oss_system_info { unsigned tx_jitter_up; unsigned tx_jitter_down; unsigned sample_rate; unsigned sample_bits; unsigned sample_channels; char rx_device_name[64]; char tx_device_name[64]; }; #define VIRTUAL_OSS_GET_SYSTEM_INFO _IOR('O', 43, struct virtual_oss_system_info) #endif /* _VIRTUAL_OSS_H_ */