yading@11: /*
yading@11:  * Copyright (c) 2012 Stefano Sabatini
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #include "config.h"
yading@11: #if HAVE_UNISTD_H
yading@11: #include <unistd.h>             /* getopt */
yading@11: #endif
yading@11: 
yading@11: #include "libavutil/pixdesc.h"
yading@11: #include "libavcodec/avcodec.h"
yading@11: #include "libavutil/common.h"
yading@11: #include "libavcodec/raw.h"
yading@11: 
yading@11: #undef printf
yading@11: #undef fprintf
yading@11: 
yading@11: #if !HAVE_GETOPT
yading@11: #include "compat/getopt.c"
yading@11: #endif
yading@11: 
yading@11: static void usage(void)
yading@11: {
yading@11:     printf("Show the relationships between rawvideo pixel formats and FourCC tags.\n");
yading@11:     printf("usage: fourcc2pixfmt [OPTIONS]\n");
yading@11:     printf("\n"
yading@11:            "Options:\n"
yading@11:            "-l                list the pixel format for each fourcc\n"
yading@11:            "-L                list the fourccs for each pixel format\n"
yading@11:            "-p PIX_FMT        given a pixel format, print the list of associated fourccs (one per line)\n"
yading@11:            "-h                print this help\n");
yading@11: }
yading@11: 
yading@11: static void print_pix_fmt_fourccs(enum AVPixelFormat pix_fmt, char sep)
yading@11: {
yading@11:     int i;
yading@11: 
yading@11:     for (i = 0; ff_raw_pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++) {
yading@11:         if (ff_raw_pix_fmt_tags[i].pix_fmt == pix_fmt) {
yading@11:             char buf[32];
yading@11:             av_get_codec_tag_string(buf, sizeof(buf), ff_raw_pix_fmt_tags[i].fourcc);
yading@11:             printf("%s%c", buf, sep);
yading@11:         }
yading@11:     }
yading@11: }
yading@11: 
yading@11: int main(int argc, char **argv)
yading@11: {
yading@11:     int i, list_fourcc_pix_fmt = 0, list_pix_fmt_fourccs = 0;
yading@11:     const char *pix_fmt_name = NULL;
yading@11:     char c;
yading@11: 
yading@11:     if (argc == 1) {
yading@11:         usage();
yading@11:         return 0;
yading@11:     }
yading@11: 
yading@11:     while ((c = getopt(argc, argv, "hp:lL")) != -1) {
yading@11:         switch (c) {
yading@11:         case 'h':
yading@11:             usage();
yading@11:             return 0;
yading@11:         case 'l':
yading@11:             list_fourcc_pix_fmt = 1;
yading@11:             break;
yading@11:         case 'L':
yading@11:             list_pix_fmt_fourccs = 1;
yading@11:             break;
yading@11:         case 'p':
yading@11:             pix_fmt_name = optarg;
yading@11:             break;
yading@11:         case '?':
yading@11:             usage();
yading@11:             return 1;
yading@11:         }
yading@11:     }
yading@11: 
yading@11:     if (list_fourcc_pix_fmt) {
yading@11:         for (i = 0; ff_raw_pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++) {
yading@11:             char buf[32];
yading@11:             av_get_codec_tag_string(buf, sizeof(buf), ff_raw_pix_fmt_tags[i].fourcc);
yading@11:             printf("%s: %s\n", buf, av_get_pix_fmt_name(ff_raw_pix_fmt_tags[i].pix_fmt));
yading@11:         }
yading@11:     }
yading@11: 
yading@11:     if (list_pix_fmt_fourccs) {
yading@11:         for (i = 0; i < AV_PIX_FMT_NB; i++) {
yading@11:             const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(i);
yading@11:             if (!pix_desc->name || pix_desc->flags & PIX_FMT_HWACCEL)
yading@11:                 continue;
yading@11:             printf("%s: ", pix_desc->name);
yading@11:             print_pix_fmt_fourccs(i, ' ');
yading@11:             printf("\n");
yading@11:         }
yading@11:     }
yading@11: 
yading@11:     if (pix_fmt_name) {
yading@11:         enum AVPixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name);
yading@11:         if (pix_fmt == AV_PIX_FMT_NONE) {
yading@11:             fprintf(stderr, "Invalid pixel format selected '%s'\n", pix_fmt_name);
yading@11:             return 1;
yading@11:         }
yading@11:         print_pix_fmt_fourccs(pix_fmt, '\n');
yading@11:     }
yading@11: 
yading@11:     return 0;
yading@11: }