| Server IP : / Your IP : 10.244.4.16 [ Web Server : nginx/1.25.3 System : Linux escuela-portal-app-54f56585bc-kst6g 5.15.0-1084-azure #93-Ubuntu SMP Sat Mar 15 14:12:29 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.2.13 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, Domains : 0 Domains MySQL : OFF | cURL : ON | WGET : OFF | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /usr/include/sound/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de>
*/
#ifndef __SOUND_USB_STREAM_H
#define __SOUND_USB_STREAM_H
#define USB_STREAM_INTERFACE_VERSION 2
#define SNDRV_USB_STREAM_IOCTL_SET_PARAMS \
_IOW('H', 0x90, struct usb_stream_config)
struct usb_stream_packet {
unsigned offset;
unsigned length;
};
struct usb_stream_config {
unsigned version;
unsigned sample_rate;
unsigned period_frames;
unsigned frame_size;
};
struct usb_stream {
struct usb_stream_config cfg;
unsigned read_size;
unsigned write_size;
int period_size;
unsigned state;
int idle_insize;
int idle_outsize;
int sync_packet;
unsigned insize_done;
unsigned periods_done;
unsigned periods_polled;
struct usb_stream_packet outpacket[2];
unsigned inpackets;
unsigned inpacket_head;
unsigned inpacket_split;
unsigned inpacket_split_at;
unsigned next_inpacket_split;
unsigned next_inpacket_split_at;
struct usb_stream_packet inpacket[];
};
enum usb_stream_state {
usb_stream_invalid,
usb_stream_stopped,
usb_stream_sync0,
usb_stream_sync1,
usb_stream_ready,
usb_stream_running,
usb_stream_xrun,
};
#endif /* __SOUND_USB_STREAM_H */