diff options
| author | Todor Tomov <ttomov@mm-sol.com> | 2011-02-03 10:50:48 +0200 | 
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-02-07 16:32:44 +0100 | 
| commit | d4968694e251f603e7c2b91608746cf4c382723a (patch) | |
| tree | 6a46bfc59051f7469824108a8819dd08dd75f59e /src/options.c | |
| parent | 14ddd592a6fcba2ceb751c0d4b0a3b5d46f2a59f (diff) | |
Use autotools
Use autoconf and automake for building.
Quick instructions are added in INSTALL.
Application source files are moved to src subdirectory.
Signed-off-by: Todor Tomov <ttomov@mm-sol.com>
Diffstat (limited to 'src/options.c')
| -rw-r--r-- | src/options.c | 155 | 
1 files changed, 155 insertions, 0 deletions
| diff --git a/src/options.c b/src/options.c new file mode 100644 index 0000000..186425e --- /dev/null +++ b/src/options.c @@ -0,0 +1,155 @@ +/* + * Media controller test application + * + * Copyright (C) 2010 Ideas on board SPRL <laurent.pinchart@ideasonboard.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + */ + +#include <stdlib.h> +#include <getopt.h> +#include <stdio.h> +#include <unistd.h> + +#include "options.h" + +#define MEDIA_DEVNAME_DEFAULT		"/dev/media0" + +struct media_options media_opts = { +	.devname = MEDIA_DEVNAME_DEFAULT, +}; + +static void usage(const char *argv0, int verbose) +{ +	printf("%s [options] device\n", argv0); +	printf("-d, --device dev	Media device name (default: %s)\n", MEDIA_DEVNAME_DEFAULT); +	printf("-e, --entity name	Print the device name associated with the given entity\n"); +	printf("-f, --set-format	Comma-separated list of formats to setup\n"); +	printf("    --get-format pad	Print the active format on a given pad\n"); +	printf("-h, --help		Show verbose help and exit\n"); +	printf("-i, --interactive	Modify links interactively\n"); +	printf("-l, --links		Comma-separated list of links descriptors to setup\n"); +	printf("-p, --print-topology	Print the device topology (implies -v)\n"); +	printf("    --print-dot		Print the device topology as a dot graph (implies -v)\n"); +	printf("-r, --reset		Reset all links to inactive\n"); +	printf("-v, --verbose		Be verbose\n"); + +	if (!verbose) +		return; + +	printf("\n"); +	printf("Links and formats are defined as\n"); +	printf("\tlink            = pad, '->', pad, '[', flags, ']' ;\n"); +	printf("\tformat          = pad, '[', fcc, ' ', size, [ ' ', crop ], [ ' ', '@', frame interval ], ']' ;\n"); +	printf("\tpad             = entity, ':', pad number ;\n"); +	printf("\tentity          = entity number | ( '\"', entity name, '\"' ) ;\n"); +	printf("\tsize            = width, 'x', height ;\n"); +	printf("\tcrop            = '(', left, ',', top, ')', '/', size ;\n"); +	printf("\tframe interval  = numerator, '/', denominator ;\n"); +	printf("where the fields are\n"); +	printf("\tentity number   Entity numeric identifier\n"); +	printf("\tentity name     Entity name (string) \n"); +	printf("\tpad number      Pad numeric identifier\n"); +	printf("\tflags           Link flags (0: inactive, 1: active)\n"); +	printf("\tfcc             Format FourCC\n"); +	printf("\twidth           Image width in pixels\n"); +	printf("\theight          Image height in pixels\n"); +	printf("\tnumerator       Frame interval numerator\n"); +	printf("\tdenominator     Frame interval denominator\n"); +} + +#define OPT_PRINT_DOT		256 +#define OPT_GET_FORMAT		257 + +static struct option opts[] = { +	{"device", 1, 0, 'd'}, +	{"entity", 1, 0, 'e'}, +	{"set-format", 1, 0, 'f'}, +	{"get-format", 1, 0, OPT_GET_FORMAT}, +	{"help", 0, 0, 'h'}, +	{"interactive", 0, 0, 'i'}, +	{"links", 1, 0, 'l'}, +	{"print-dot", 0, 0, OPT_PRINT_DOT}, +	{"print-topology", 0, 0, 'p'}, +	{"reset", 0, 0, 'r'}, +	{"verbose", 0, 0, 'v'}, +}; + +int parse_cmdline(int argc, char **argv) +{ +	int opt; + +	if (argc == 1) { +		usage(argv[0], 0); +		return 1; +	} + +	/* parse options */ +	while ((opt = getopt_long(argc, argv, "d:e:f:hil:prv", opts, NULL)) != -1) { +		switch (opt) { +		case 'd': +			media_opts.devname = optarg; +			break; + +		case 'e': +			media_opts.entity = optarg; +			break; + +		case 'f': +			media_opts.formats = optarg; +			break; + +		case 'h': +			usage(argv[0], 1); +			exit(0); + +		case 'i': +			media_opts.interactive = 1; +			break; + +		case 'l': +			media_opts.links = optarg; +			break; + +		case 'p': +			media_opts.print = 1; +			media_opts.verbose = 1; +			break; + +		case 'r': +			media_opts.reset = 1; +			break; + +		case 'v': +			media_opts.verbose = 1; +			break; + +		case OPT_PRINT_DOT: +			media_opts.print_dot = 1; +			break; + +		case OPT_GET_FORMAT: +			media_opts.pad = optarg; +			break; + +		default: +			printf("Invalid option -%c\n", opt); +			printf("Run %s -h for help.\n", argv[0]); +			return 1; +		} +	} + +	return 0; +} + | 
