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/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <assert.h>
#include <getopt.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "dav1d_cli_parse.h"
static const char short_opts[] = "i:o:vql:s:";
enum {
ARG_DEMUXER,
ARG_MUXER,
ARG_FRAME_THREADS,
ARG_TILE_THREADS,
ARG_VERIFY,
ARG_FILM_GRAIN,
ARG_OPPOINT,
ARG_ALL_LAYERS,
};
static const struct option long_opts[] = {
{ "input", 1, NULL, 'i' },
{ "output", 1, NULL, 'o' },
{ "quiet", 0, NULL, 'q' },
{ "demuxer", 1, NULL, ARG_DEMUXER },
{ "muxer", 1, NULL, ARG_MUXER },
{ "version", 0, NULL, 'v' },
{ "limit", 1, NULL, 'l' },
{ "skip", 1, NULL, 's' },
{ "framethreads", 1, NULL, ARG_FRAME_THREADS },
{ "tilethreads", 1, NULL, ARG_TILE_THREADS },
{ "verify", 1, NULL, ARG_VERIFY },
{ "filmgrain", 1, NULL, ARG_FILM_GRAIN },
{ "oppoint", 1, NULL, ARG_OPPOINT },
{ "alllayers", 1, NULL, ARG_ALL_LAYERS },
{ NULL, 0, NULL, 0 },
};
static void usage(const char *const app, const char *const reason, ...) {
if (reason) {
va_list args;
va_start(args, reason);
vfprintf(stderr, reason, args);
va_end(args);
fprintf(stderr, "\n\n");
}
fprintf(stderr, "Usage: %s [options]\n\n", app);
fprintf(stderr, "Supported options:\n"
" --input/-i $file: input file\n"
" --output/-o $file: output file\n"
" --demuxer $name: force demuxer type (must be 'ivf'; default: detect from extension)\n"
" --muxer $name: force muxer type ('md5', 'yuv', 'yuv4mpeg2' or 'null'; default: detect from extension)\n"
" --quiet/-q: disable status messages\n"
" --limit/-l $num: stop decoding after $num frames\n"
" --skip/-s $num: skip decoding of the first $num frames\n"
" --version/-v: print version and exit\n"
" --framethreads $num: number of frame threads (default: 1)\n"
" --tilethreads $num: number of tile threads (default: 1)\n"
" --filmgrain enable film grain application (default: 1, except if muxer is md5)\n"
" --oppoint $num: select an operating point of a scalable AV1 bitstream (0 - 32)\n"
" --alllayers $num: output all spatial layers of a scalable AV1 bitstream (default: 1)\n"
" --verify $md5: verify decoded md5. implies --muxer md5, no output\n");
exit(1);
}
static void error(const char *const app, const char *const optarg,
const int option, const char *const shouldbe)
{
char optname[256];
int n;
for (n = 0; long_opts[n].name; n++)
if (long_opts[n].val == option)
break;
assert(long_opts[n].name);
if (long_opts[n].val < 256) {
sprintf(optname, "-%c/--%s", long_opts[n].val, long_opts[n].name);
} else {
sprintf(optname, "--%s", long_opts[n].name);
}
usage(app, "Invalid argument \"%s\" for option %s; should be %s",
optarg, optname, shouldbe);
}
static unsigned parse_unsigned(char *optarg, const int option, const char *app) {
char *end;
const double res = strtoul(optarg, &end, 0);
if (*end || end == optarg) error(app, optarg, option, "an integer");
return res;
}
void parse(const int argc, char *const *const argv,
CLISettings *const cli_settings, Dav1dSettings *const lib_settings)
{
int o;
memset(cli_settings, 0, sizeof(*cli_settings));
dav1d_default_settings(lib_settings);
int grain_specified = 0;
while ((o = getopt_long(argc, argv, short_opts, long_opts, NULL)) >= 0) {
switch (o) {
case 'o':
cli_settings->outputfile = optarg;
break;
case 'i':
cli_settings->inputfile = optarg;
break;
case 'q':
cli_settings->quiet = 1;
break;
case 'l':
cli_settings->limit = parse_unsigned(optarg, 'l', argv[0]);
break;
case 's':
cli_settings->skip = parse_unsigned(optarg, 's', argv[0]);
break;
case ARG_DEMUXER:
cli_settings->demuxer = optarg;
break;
case ARG_MUXER:
cli_settings->muxer = optarg;
break;
case ARG_FRAME_THREADS:
lib_settings->n_frame_threads =
parse_unsigned(optarg, ARG_FRAME_THREADS, argv[0]);
break;
case ARG_TILE_THREADS:
lib_settings->n_tile_threads =
parse_unsigned(optarg, ARG_TILE_THREADS, argv[0]);
break;
case ARG_VERIFY:
cli_settings->verify = optarg;
break;
case ARG_FILM_GRAIN:
lib_settings->apply_grain =
!!parse_unsigned(optarg, ARG_FILM_GRAIN, argv[0]);
grain_specified = 1;
break;
case ARG_OPPOINT:
lib_settings->operating_point =
parse_unsigned(optarg, ARG_OPPOINT, argv[0]);
break;
case ARG_ALL_LAYERS:
lib_settings->all_layers =
!!parse_unsigned(optarg, ARG_ALL_LAYERS, argv[0]);
break;
case 'v':
fprintf(stderr, "%s\n", dav1d_version());
exit(0);
default:
break;
}
}
if (cli_settings->verify) {
if (cli_settings->outputfile)
usage(argv[0], "Verification (--verify) requires output file (-o/--output) to not set");
if (cli_settings->muxer && !strcmp(cli_settings->muxer, "md5"))
usage(argv[0], "Verification (--verify) requires the md5 muxer (--muxer md5)");
cli_settings->outputfile = "-";
if (!cli_settings->muxer)
cli_settings->muxer = "md5";
}
if (!grain_specified && cli_settings->muxer &&
!strcmp(cli_settings->muxer, "md5"))
{
lib_settings->apply_grain = 0;
}
if (!cli_settings->inputfile)
usage(argv[0], "Input file (-i/--input) is required");
if ((!cli_settings->muxer || strcmp(cli_settings->muxer, "null")) &&
!cli_settings->outputfile)
{
usage(argv[0], "Output file (-o/--output) is required");
}
}
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