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7d6b06ca1b
Starting from Linux v5.11, the V4L2 stateless H.264 uAPI is updated and stable. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1624>
108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* include/linux/v4l2-common.h
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*
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* Common V4L2 and V4L2 subdev definitions.
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*
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* Users are advised to #include this file either through videodev2.h
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* (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
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* to this file directly.
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*
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* Copyright (C) 2012 Nokia Corporation
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* Contact: Sakari Ailus <sakari.ailus@iki.fi>
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*
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* This program is free software; you can 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; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Alternatively you can redistribute this file under the terms of the
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* BSD license as stated below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. The names of its contributors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __V4L2_COMMON__
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#define __V4L2_COMMON__
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#include "linux/types-compat.h"
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/*
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*
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* Selection interface definitions
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*
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*/
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/* Current cropping area */
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#define V4L2_SEL_TGT_CROP 0x0000
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/* Default cropping area */
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#define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
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/* Cropping bounds */
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#define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
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/* Native frame size */
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#define V4L2_SEL_TGT_NATIVE_SIZE 0x0003
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/* Current composing area */
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#define V4L2_SEL_TGT_COMPOSE 0x0100
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/* Default composing area */
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#define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
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/* Composing bounds */
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#define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
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/* Current composing area plus all padding pixels */
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#define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
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/* Selection flags */
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#define V4L2_SEL_FLAG_GE (1 << 0)
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#define V4L2_SEL_FLAG_LE (1 << 1)
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#define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
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struct v4l2_edid {
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__u32 pad;
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__u32 start_block;
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__u32 blocks;
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__u32 reserved[5];
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__u8 *edid;
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};
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/* Backward compatibility target definitions --- to be removed. */
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#define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
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#define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
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#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
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#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
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#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
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#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
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/* Backward compatibility flag definitions --- to be removed. */
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#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
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#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
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#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
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#endif /* __V4L2_COMMON__ */
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