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
) {
57 av_get_codec_tag_string(buf
, sizeof(buf
), pix_fmt_tags
[i
].fourcc
);
58 printf("%s%c", buf
, sep
);
63 int main(int argc
, char **argv
)
65 int i
, list_fourcc_pix_fmt
= 0, list_pix_fmt_fourccs
= 0;
66 const PixelFormatTag
*pix_fmt_tags
= avpriv_get_raw_pix_fmt_tags();
67 const char *pix_fmt_name
= NULL
;
75 while ((c
= getopt(argc
, argv
, "hp:lL")) != -1) {
81 list_fourcc_pix_fmt
= 1;
84 list_pix_fmt_fourccs
= 1;
87 pix_fmt_name
= optarg
;
95 if (list_fourcc_pix_fmt
) {
96 for (i
= 0; pix_fmt_tags
[i
].pix_fmt
!= AV_PIX_FMT_NONE
; i
++) {
98 av_get_codec_tag_string(buf
, sizeof(buf
), pix_fmt_tags
[i
].fourcc
);
99 printf("%s: %s\n", buf
, av_get_pix_fmt_name(pix_fmt_tags
[i
].pix_fmt
));
103 if (list_pix_fmt_fourccs
) {
104 for (i
= 0; av_pix_fmt_desc_get(i
); i
++) {
105 const AVPixFmtDescriptor
*pix_desc
= av_pix_fmt_desc_get(i
);
106 if (!pix_desc
->name
|| pix_desc
->flags
& AV_PIX_FMT_FLAG_HWACCEL
)
108 printf("%s: ", pix_desc
->name
);
109 print_pix_fmt_fourccs(i
, pix_fmt_tags
, ' ');
115 enum AVPixelFormat pix_fmt
= av_get_pix_fmt(pix_fmt_name
);
116 if (pix_fmt
== AV_PIX_FMT_NONE
) {
117 fprintf(stderr
, "Invalid pixel format selected '%s'\n", pix_fmt_name
);
120 print_pix_fmt_fourccs(pix_fmt
, pix_fmt_tags
, '\n');