124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
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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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#undef printf
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#undef fprintf
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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 AVPixelFormat 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 != AV_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 != AV_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 < AV_PIX_FMT_NB; i++) {
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(i);
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if (!pix_desc->name || pix_desc->flags & AV_PIX_FMT_FLAG_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 AVPixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name);
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if (pix_fmt == AV_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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