mirror of https://gitee.com/openkylin/linux.git
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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file operation functions
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Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
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Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
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*/
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#ifndef IVTV_FILEOPS_H
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#define IVTV_FILEOPS_H
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/* Testing/Debugging */
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int ivtv_v4l2_open(struct file *filp);
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ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
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loff_t * pos);
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ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
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loff_t * pos);
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int ivtv_v4l2_close(struct file *filp);
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__poll_t ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
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__poll_t ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
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int ivtv_start_capture(struct ivtv_open_id *id);
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void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
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int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
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void ivtv_mute(struct ivtv *itv);
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void ivtv_unmute(struct ivtv *itv);
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/* Utilities */
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/* Shared with ivtv-alsa module */
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int ivtv_claim_stream(struct ivtv_open_id *id, int type);
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void ivtv_release_stream(struct ivtv_stream *s);
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#endif
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