ref: e4a4c8c60b21d226f24cc315af30cb7f1591b29b
dir: /tools/dav1d_cli_parse.c/
/* * 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 <getopt.h> #include <limits.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" #include "src/cpu.h" static const char short_opts[] = "i:o:vql:s:"; enum { ARG_DEMUXER = 256, ARG_MUXER, ARG_FRAME_TIMES, ARG_REALTIME, ARG_REALTIME_CACHE, ARG_FRAME_THREADS, ARG_TILE_THREADS, ARG_VERIFY, ARG_FILM_GRAIN, ARG_OPPOINT, ARG_ALL_LAYERS, ARG_SIZE_LIMIT, ARG_CPU_MASK, }; 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' }, { "frametimes", 1, NULL, ARG_FRAME_TIMES }, { "limit", 1, NULL, 'l' }, { "skip", 1, NULL, 's' }, { "realtime", 2, NULL, ARG_REALTIME }, { "realtimecache", 1, NULL, ARG_REALTIME_CACHE }, { "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 }, { "sizelimit", 1, NULL, ARG_SIZE_LIMIT }, { "cpumask", 1, NULL, ARG_CPU_MASK }, { NULL, 0, NULL, 0 }, }; #if ARCH_AARCH64 || ARCH_ARM #define ALLOWED_CPU_MASKS " or 'neon'" #elif ARCH_PPC64LE #define ALLOWED_CPU_MASKS " or 'vsx'" #elif ARCH_X86 #define ALLOWED_CPU_MASKS \ ", 'sse2', 'ssse3', 'sse41', 'avx2' or 'avx512icl'" #else #define ALLOWED_CPU_MASKS "not yet implemented for this architecture" #endif 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 ('ivf', 'section5' or 'annexb'; 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" " --frametimes $file: dump frame times to file\n" " --limit/-l $num: stop decoding after $num frames\n" " --skip/-s $num: skip decoding of the first $num frames\n" " --realtime [$fract]: limit framerate, optional argument to override input framerate\n" " --realtimecache $num: set the size of the cache in realtime mode (default: 0)\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 $num: 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" " --sizelimit $num: stop decoding if the frame size exceeds the specified limit\n" " --verify $md5: verify decoded md5. implies --muxer md5, no output\n" " --cpumask $mask: restrict permitted CPU instruction sets (0" ALLOWED_CPU_MASKS "; default: -1)\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(const char *const optarg, const int option, const char *const app) { char *end; const unsigned res = (unsigned) strtoul(optarg, &end, 0); if (*end || end == optarg) error(app, optarg, option, "an integer"); return res; } static int parse_optional_fraction(const char *const optarg, const int option, const char *const app, double *value) { if (optarg == NULL) return 0; char *end; *value = strtod(optarg, &end); if (*end == '/' && end != optarg) { const char *optarg2 = end + 1; *value /= strtod(optarg2, &end); if (*end || end == optarg2) error(app, optarg, option, "a fraction"); } else if (*end || end == optarg) { error(app, optarg, option, "a fraction"); } return 1; } typedef struct EnumParseTable { const char *str; const int val; } EnumParseTable; #if ARCH_X86 enum CpuMask { X86_CPU_MASK_SSE2 = DAV1D_X86_CPU_FLAG_SSE2, X86_CPU_MASK_SSSE3 = DAV1D_X86_CPU_FLAG_SSSE3 | X86_CPU_MASK_SSE2, X86_CPU_MASK_SSE41 = DAV1D_X86_CPU_FLAG_SSE41 | X86_CPU_MASK_SSSE3, X86_CPU_MASK_AVX2 = DAV1D_X86_CPU_FLAG_AVX2 | X86_CPU_MASK_SSE41, X86_CPU_MASK_AVX512ICL = DAV1D_X86_CPU_FLAG_AVX512ICL | X86_CPU_MASK_AVX2, }; #endif static const EnumParseTable cpu_mask_tbl[] = { #if ARCH_AARCH64 || ARCH_ARM { "neon", DAV1D_ARM_CPU_FLAG_NEON }, #elif ARCH_PPC64LE { "vsx", DAV1D_PPC_CPU_FLAG_VSX }, #elif ARCH_X86 { "sse2", X86_CPU_MASK_SSE2 }, { "ssse3", X86_CPU_MASK_SSSE3 }, { "sse41", X86_CPU_MASK_SSE41 }, { "avx2", X86_CPU_MASK_AVX2 }, { "avx512icl", X86_CPU_MASK_AVX512ICL }, #endif { 0 }, }; static unsigned parse_enum(char *optarg, const EnumParseTable *const tbl, const int option, const char *app) { char str[1024]; strcpy(str, "any of "); for (int n = 0; tbl[n].str; n++) { if (!strcmp(tbl[n].str, optarg)) return tbl[n].val; if (n) { if (!tbl[n + 1].str) strcat(str, " or "); else strcat(str, ", "); } strcat(str, tbl[n].str); } char *end; unsigned res; if (!strncmp(optarg, "0x", 2)) { res = (unsigned) strtoul(&optarg[2], &end, 16); } else { res = (unsigned) strtoul(optarg, &end, 0); } if (*end || end == optarg) { strcat(str, ", a hexadecimal (starting with 0x), or an integer"); error(app, optarg, option, str); } 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)) != -1) { 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_TIMES: cli_settings->frametimes = optarg; break; case ARG_REALTIME: // workaround to parse an optional argument of the form `--a b` // (getopt only allows `--a=b`) if (optarg == NULL && optind < argc && argv[optind] != NULL && argv[optind][0] != '-') { optarg = argv[optind]; optind++; } cli_settings->realtime = 1 + parse_optional_fraction(optarg, ARG_REALTIME, argv[0], &cli_settings->realtime_fps); break; case ARG_REALTIME_CACHE: cli_settings->realtime_cache = parse_unsigned(optarg, ARG_REALTIME_CACHE, argv[0]); 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 ARG_SIZE_LIMIT: { char *arg = optarg, *end; uint64_t res = strtoul(arg, &end, 0); if (*end == 'x') // NxM res *= strtoul((arg = end + 1), &end, 0); if (*end || end == arg || res >= UINT_MAX) error(argv[0], optarg, ARG_SIZE_LIMIT, "an integer or dimension"); lib_settings->frame_size_limit = (unsigned) res; break; } case 'v': fprintf(stderr, "%s\n", dav1d_version()); exit(0); case ARG_CPU_MASK: dav1d_set_cpu_flags_mask(parse_enum(optarg, cpu_mask_tbl, ARG_CPU_MASK, argv[0])); break; default: usage(argv[0], NULL); } } if (optind < argc) usage(argv[0], "Extra/unused arguments found, e.g. '%s'\n", argv[optind]); 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"); } }