2 * Copyright (c) 2012 Stefano Sabatini
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <unistd.h> /* getopt */
26 #include "libavutil/pixdesc.h"
27 #include "libavcodec/avcodec.h"
28 #include "libavutil/common.h"
29 #include "libavcodec/raw.h"
35 #include "compat/getopt.c"
38 static void usage(void)
40 printf("Show the relationships between rawvideo pixel formats and FourCC tags.\n");
41 printf("usage: fourcc2pixfmt [OPTIONS]\n");
44 "-l list the pixel format for each fourcc\n"
45 "-L list the fourccs for each pixel format\n"
46 "-p PIX_FMT given a pixel format, print the list of associated fourccs (one per line)\n"
47 "-h print this help\n");
50 static void print_pix_fmt_fourccs(enum AVPixelFormat pix_fmt, const PixelFormatTag *pix_fmt_tags, char sep)
54 for (i = 0; pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++)
55 if (pix_fmt_tags[i].pix_fmt == pix_fmt)
56 printf("%s%c", av_fourcc2str(pix_fmt_tags[i].fourcc), sep);
59 int main(int argc, char **argv)
61 int i, list_fourcc_pix_fmt = 0, list_pix_fmt_fourccs = 0;
62 const PixelFormatTag *pix_fmt_tags = avpriv_get_raw_pix_fmt_tags();
63 const char *pix_fmt_name = NULL;
71 while ((c = getopt(argc, argv, "hp:lL")) != -1) {
77 list_fourcc_pix_fmt = 1;
80 list_pix_fmt_fourccs = 1;
83 pix_fmt_name = optarg;
91 if (list_fourcc_pix_fmt)
92 for (i = 0; pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++)
93 printf("%s: %s\n", av_fourcc2str(pix_fmt_tags[i].fourcc),
94 av_get_pix_fmt_name(pix_fmt_tags[i].pix_fmt));
96 if (list_pix_fmt_fourccs) {
97 for (i = 0; av_pix_fmt_desc_get(i); i++) {
98 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(i);
99 if (!pix_desc->name || pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
101 printf("%s: ", pix_desc->name);
102 print_pix_fmt_fourccs(i, pix_fmt_tags, ' ');
108 enum AVPixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name);
109 if (pix_fmt == AV_PIX_FMT_NONE) {
110 fprintf(stderr, "Invalid pixel format selected '%s'\n", pix_fmt_name);
113 print_pix_fmt_fourccs(pix_fmt, pix_fmt_tags, '\n');