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Diffstat (limited to 'tools/fourcc2pixfmt.c')
-rw-r--r-- | tools/fourcc2pixfmt.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/tools/fourcc2pixfmt.c b/tools/fourcc2pixfmt.c new file mode 100644 index 0000000..1a653ed --- /dev/null +++ b/tools/fourcc2pixfmt.c @@ -0,0 +1,123 @@ +/* + * 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; +} |