mirror of https://gitee.com/openkylin/linux.git
62 lines
2.9 KiB
C
62 lines
2.9 KiB
C
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/*
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* vivid-vid-common.h - common video support functions.
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*
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* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _VIVID_VID_COMMON_H_
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#define _VIVID_VID_COMMON_H_
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typedef int (*fmtfunc)(struct file *file, void *priv, struct v4l2_format *f);
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/*
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* Conversion function that converts a single-planar format to a
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* single-plane multiplanar format.
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*/
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void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt);
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int fmt_sp2mp_func(struct file *file, void *priv,
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struct v4l2_format *f, fmtfunc func);
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extern const struct v4l2_dv_timings_cap vivid_dv_timings_cap;
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const struct vivid_fmt *get_format(struct vivid_dev *dev, u32 pixelformat);
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bool vivid_vid_can_loop(struct vivid_dev *dev);
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void vivid_send_source_change(struct vivid_dev *dev, unsigned type);
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bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
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void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size);
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void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size);
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void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size);
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void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary);
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bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
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struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b);
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void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
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const struct v4l2_rect *to);
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int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r);
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int vivid_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f);
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int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv, struct v4l2_fmtdesc *f);
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int vidioc_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f);
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int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id);
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int vidioc_g_dv_timings(struct file *file, void *_fh, struct v4l2_dv_timings *timings);
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int vidioc_enum_dv_timings(struct file *file, void *_fh, struct v4l2_enum_dv_timings *timings);
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int vidioc_dv_timings_cap(struct file *file, void *_fh, struct v4l2_dv_timings_cap *cap);
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int vidioc_g_edid(struct file *file, void *_fh, struct v4l2_edid *edid);
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int vidioc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub);
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#endif
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