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