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libcamera: Move Header generation utilities to utils
Move the GPL2 utilities which handle generation of controls, formats and the top level libcamera header to the utils subtree. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Kieran Bingham
parent
d6b6ad950d
commit
c09626cd63
6 changed files with 5 additions and 8 deletions
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@ -1,118 +0,0 @@
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#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2020, Google Inc.
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#
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# Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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#
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# gen-formats.py - Generate formats definitions from YAML
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import argparse
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import re
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import string
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import sys
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import yaml
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class DRMFourCC(object):
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format_regex = re.compile(r"#define (DRM_FORMAT_[A-Z0-9_]+)[ \t]+fourcc_code\(('.', '.', '.', '.')\)")
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mod_vendor_regex = re.compile(r"#define DRM_FORMAT_MOD_VENDOR_([A-Z0-9_]+)[ \t]+([0-9a-fA-Fx]+)")
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mod_regex = re.compile(r"#define ([A-Za-z0-9_]+)[ \t]+fourcc_mod_code\(([A-Z0-9_]+), ([0-9a-fA-Fx]+)\)")
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def __init__(self, filename):
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self.formats = {}
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self.vendors = {}
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self.mods = {}
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for line in open(filename, 'rb').readlines():
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line = line.decode('utf-8')
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match = DRMFourCC.format_regex.match(line)
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if match:
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format, fourcc = match.groups()
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self.formats[format] = fourcc
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continue
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match = DRMFourCC.mod_vendor_regex.match(line)
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if match:
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vendor, value = match.groups()
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self.vendors[vendor] = int(value, 0)
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continue
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match = DRMFourCC.mod_regex.match(line)
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if match:
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mod, vendor, value = match.groups()
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self.mods[mod] = (vendor, int(value, 0))
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continue
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def fourcc(self, name):
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return self.formats[name]
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def mod(self, name):
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vendor, value = self.mods[name]
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return self.vendors[vendor], value
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def generate_h(formats, drm_fourcc):
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template = string.Template('constexpr PixelFormat ${name}{ __fourcc(${fourcc}), __mod(${mod}) };')
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fmts = []
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for format in formats:
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name, format = format.popitem()
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data = {
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'name': name,
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'fourcc': drm_fourcc.fourcc(format['fourcc']),
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'mod': '0, 0',
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}
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mod = format.get('mod')
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if mod:
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data['mod'] = '%u, %u' % drm_fourcc.mod(mod)
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fmts.append(template.substitute(data))
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return {'formats': '\n'.join(fmts)}
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def fill_template(template, data):
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template = open(template, 'rb').read()
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template = template.decode('utf-8')
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template = string.Template(template)
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return template.substitute(data)
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def main(argv):
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# Parse command line arguments
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parser = argparse.ArgumentParser()
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parser.add_argument('-o', dest='output', metavar='file', type=str,
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help='Output file name. Defaults to standard output if not specified.')
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parser.add_argument('input', type=str,
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help='Input file name.')
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parser.add_argument('template', type=str,
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help='Template file name.')
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parser.add_argument('drm_fourcc', type=str,
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help='Path to drm_fourcc.h.')
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args = parser.parse_args(argv[1:])
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data = open(args.input, 'rb').read()
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formats = yaml.safe_load(data)['formats']
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drm_fourcc = DRMFourCC(args.drm_fourcc)
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data = generate_h(formats, drm_fourcc)
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data = fill_template(args.template, data)
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if args.output:
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output = open(args.output, 'wb')
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output.write(data.encode('utf-8'))
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output.close()
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else:
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sys.stdout.write(data)
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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@ -1,32 +0,0 @@
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#!/bin/sh
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src_dir="$1"
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dst_file="$2"
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cat <<EOF > "$dst_file"
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/* This file is auto-generated, do not edit! */
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/*
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* Copyright (C) 2018-2019, Google Inc.
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*
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* libcamera.h - libcamera public API
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*/
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#ifndef __LIBCAMERA_LIBCAMERA_H__
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#define __LIBCAMERA_LIBCAMERA_H__
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EOF
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headers=$(for header in "$src_dir"/*.h "$src_dir"/*.h.in ; do
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header=$(basename "$header")
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header="${header%.in}"
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echo "$header"
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done | sort)
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for header in $headers ; do
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echo "#include <libcamera/$header>" >> "$dst_file"
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done
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cat <<EOF >> "$dst_file"
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#endif /* __LIBCAMERA_LIBCAMERA_H__ */
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EOF
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@ -34,8 +34,6 @@ install_headers(libcamera_public_headers,
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#
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# control_ids.h and property_ids.h
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gen_controls = files('../../src/libcamera/gen-controls.py')
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control_source_files = [
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'control_ids',
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'property_ids',
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@ -57,8 +55,6 @@ endforeach
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libcamera_public_headers += control_headers
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# formats.h
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gen_formats = files('gen-formats.py')
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formats_h = custom_target('formats_h',
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input : files(
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'../../src/libcamera/formats.yaml',
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@ -72,8 +68,6 @@ formats_h = custom_target('formats_h',
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libcamera_public_headers += formats_h
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# libcamera.h
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gen_header = files('gen-header.sh')
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libcamera_h = custom_target('gen-header',
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input : 'meson.build',
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output : 'libcamera.h',
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