X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fsound%2Fusb_stream.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fsound%2Fusb_stream.h;h=31635f32b8b6804be9d7598f566f928be9ca783d;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/sound/usb_stream.h b/i686-linux-gnu-4.7/usr/include/sound/usb_stream.h new file mode 100644 index 0000000..31635f3 --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/sound/usb_stream.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * Copyright (C) 2007, 2008 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#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[0]; +}; + +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 */