blob: 75bb6077b5f1b36cdb6c1551fd9be086201c8698
| 1 | /* |
| 2 | * Copyright (c) 2012 Stefano Sabatini |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 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. |
| 10 | * |
| 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. |
| 15 | * |
| 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 |
| 19 | */ |
| 20 | |
| 21 | #include "config.h" |
| 22 | #if HAVE_UNISTD_H |
| 23 | #include <unistd.h> /* getopt */ |
| 24 | #endif |
| 25 | |
| 26 | #include "libavutil/pixdesc.h" |
| 27 | #include "libavcodec/avcodec.h" |
| 28 | #include "libavutil/common.h" |
| 29 | #include "libavcodec/raw.h" |
| 30 | |
| 31 | #undef printf |
| 32 | #undef fprintf |
| 33 | |
| 34 | #if !HAVE_GETOPT |
| 35 | #include "compat/getopt.c" |
| 36 | #endif |
| 37 | |
| 38 | static void usage(void) |
| 39 | { |
| 40 | printf("Show the relationships between rawvideo pixel formats and FourCC tags.\n"); |
| 41 | printf("usage: fourcc2pixfmt [OPTIONS]\n"); |
| 42 | printf("\n" |
| 43 | "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"); |
| 48 | } |
| 49 | |
| 50 | static void print_pix_fmt_fourccs(enum AVPixelFormat pix_fmt, const PixelFormatTag *pix_fmt_tags, char sep) |
| 51 | { |
| 52 | int i; |
| 53 | |
| 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); |
| 57 | } |
| 58 | |
| 59 | int main(int argc, char **argv) |
| 60 | { |
| 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; |
| 64 | char c; |
| 65 | |
| 66 | if (argc == 1) { |
| 67 | usage(); |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | while ((c = getopt(argc, argv, "hp:lL")) != -1) { |
| 72 | switch (c) { |
| 73 | case 'h': |
| 74 | usage(); |
| 75 | return 0; |
| 76 | case 'l': |
| 77 | list_fourcc_pix_fmt = 1; |
| 78 | break; |
| 79 | case 'L': |
| 80 | list_pix_fmt_fourccs = 1; |
| 81 | break; |
| 82 | case 'p': |
| 83 | pix_fmt_name = optarg; |
| 84 | break; |
| 85 | case '?': |
| 86 | usage(); |
| 87 | return 1; |
| 88 | } |
| 89 | } |
| 90 | |
| 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)); |
| 95 | |
| 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) |
| 100 | continue; |
| 101 | printf("%s: ", pix_desc->name); |
| 102 | print_pix_fmt_fourccs(i, pix_fmt_tags, ' '); |
| 103 | printf("\n"); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | if (pix_fmt_name) { |
| 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); |
| 111 | return 1; |
| 112 | } |
| 113 | print_pix_fmt_fourccs(pix_fmt, pix_fmt_tags, '\n'); |
| 114 | } |
| 115 | |
| 116 | return 0; |
| 117 | } |
| 118 |