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