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✏️ /usr/include/sound/usb_stream.h

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/* 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 */

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Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 intel	dir	—	15/06/26 13:45	0755	📂
📁 sof	dir	—	21/07/26 06:43	0755	📂
📄 asequencer.h	h	22.7 KB	26/06/26 15:31	0644	✏️ ⬇
📄 asoc.h	h	22 KB	26/06/26 15:31	0644	✏️ ⬇
📄 asound.h	h	53.2 KB	26/06/26 15:31	0644	✏️ ⬇
📄 asound_fm.h	h	3.6 KB	26/06/26 15:31	0644	✏️ ⬇
📄 compress_offload.h	h	5.8 KB	26/06/26 15:31	0644	✏️ ⬇
📄 compress_params.h	h	16.1 KB	26/06/26 15:31	0644	✏️ ⬇
📄 emu10k1.h	h	18.4 KB	26/06/26 15:31	0644	✏️ ⬇
📄 firewire.h	h	10.8 KB	26/06/26 15:31	0644	✏️ ⬇
📄 hdsp.h	h	2 KB	26/06/26 15:31	0644	✏️ ⬇
📄 hdspm.h	h	4.4 KB	26/06/26 15:31	0644	✏️ ⬇
📄 sb16_csp.h	h	3.5 KB	26/06/26 15:31	0644	✏️ ⬇
📄 scarlett2.h	h	1.6 KB	26/06/26 15:31	0644	✏️ ⬇
📄 sfnt_info.h	h	6.6 KB	26/06/26 15:31	0644	✏️ ⬇
📄 skl-tplg-interface.h	h	5.2 KB	26/06/26 15:31	0644	✏️ ⬇
📄 snd_ar_tokens.h	h	7.5 KB	26/06/26 15:31	0644	✏️ ⬇
📄 snd_sst_tokens.h	h	11.5 KB	26/06/26 15:31	0644	✏️ ⬇
📄 tlv.h	h	4 KB	26/06/26 15:31	0644	✏️ ⬇
📄 usb_stream.h	h	1.2 KB	26/06/26 15:31	0644	✏️ ⬇

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