FFmpeg-5.1.1-iOS-13.0-Lite.zip

/* * ffmpeg option parsing * * 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" #include <stdint.h> #if HAVE_SYS_RESOURCE_H #include <sys/time.h> #include <sys/resource.h> #endif #include "ffmpeg.h" #include "fopen_utf8.h" #include "cmdutils.h" #include "opt_common.h" #include "libavformat/avformat.h" #include "libavcodec/avcodec.h" #include "libavcodec/bsf.h" #include "libavfilter/avfilter.h" #include "libavutil/avassert.h" #include "libavutil/avstring.h" #include "libavutil/avutil.h" #include "libavutil/bprint.h" #include "libavutil/channel_layout.h" #include "libavutil/getenv_utf8.h" #include "libavutil/intreadwrite.h" #include "libavutil/fifo.h" #include "libavutil/mathematics.h" #include "libavutil/opt.h" #include "libavutil/parseutils.h" #include "libavutil/pixdesc.h" #include "libavutil/pixfmt.h" #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" #define SPECIFIER_OPT_FMT_str "%s" #define SPECIFIER_OPT_FMT_i "%i" #define SPECIFIER_OPT_FMT_i64 "%"PRId64 #define SPECIFIER_OPT_FMT_ui64 "%"PRIu64 #define SPECIFIER_OPT_FMT_f "%f" #define SPECIFIER_OPT_FMT_dbl "%lf" static const char *const opt_name_codec_names[] = {"c", "codec", "acodec", "vcodec", "scodec", "dcodec", NULL}; static const char *const opt_name_audio_channels[] = {"ac", NULL}; static const char *const opt_name_audio_ch_layouts[] = {"channel_layout", "ch_layout", NULL}; static const char *const opt_name_audio_sample_rate[] = {"ar", NULL}; static const char *const opt_name_frame_rates[] = {"r", NULL}; static const char *const opt_name_max_frame_rates[] = {"fpsmax", NULL}; static const char *const opt_name_frame_sizes[] = {"s", NULL}; static const char *const opt_name_frame_pix_fmts[] = {"pix_fmt", NULL}; static const char *const opt_name_ts_scale[] = {"itsscale", NULL}; static const char *const opt_name_hwaccels[] = {"hwaccel", NULL}; static const char *const opt_name_hwaccel_devices[] = {"hwaccel_device", NULL}; static const char *const opt_name_hwaccel_output_formats[] = {"hwaccel_output_format", NULL}; static const char *const opt_name_autorotate[] = {"autorotate", NULL}; static const char *const opt_name_autoscale[] = {"autoscale", NULL}; static const char *const opt_name_max_frames[] = {"frames", "aframes", "vframes", "dframes", NULL}; static const char *const opt_name_bitstream_filters[] = {"bsf", "absf", "vbsf", NULL}; static const char *const opt_name_codec_tags[] = {"tag", "atag", "vtag", "stag", NULL}; static const char *const opt_name_sample_fmts[] = {"sample_fmt", NULL}; static const char *const opt_name_qscale[] = {"q", "qscale", NULL}; static const char *const opt_name_forced_key_frames[] = {"forced_key_frames", NULL}; static const char *const opt_name_fps_mode[] = {"fps_mode", NULL}; static const char *const opt_name_force_fps[] = {"force_fps", NULL}; static const char *const opt_name_frame_aspect_ratios[] = {"aspect", NULL}; static const char *const opt_name_rc_overrides[] = {"rc_override", NULL}; static const char *const opt_name_intra_matrices[] = {"intra_matrix", NULL}; static const char *const opt_name_inter_matrices[] = {"inter_matrix", NULL}; static const char *const opt_name_chroma_intra_matrices[] = {"chroma_intra_matrix", NULL}; static const char *const opt_name_top_field_first[] = {"top", NULL}; static const char *const opt_name_presets[] = {"pre", "apre", "vpre", "spre", NULL}; static const char *const opt_name_copy_initial_nonkeyframes[] = {"copyinkf", NULL}; static const char *const opt_name_copy_prior_start[] = {"copypriorss", NULL}; static const char *const opt_name_filters[] = {"filter", "af", "vf", NULL}; static const char *const opt_name_filter_scripts[] = {"filter_script", NULL}; static const char *const opt_name_reinit_filters[] = {"reinit_filter", NULL}; static const char *const opt_name_fix_sub_duration[] = {"fix_sub_duration", NULL}; static const char *const opt_name_canvas_sizes[] = {"canvas_size", NULL}; static const char *const opt_name_pass[] = {"pass", NULL}; static const char *const opt_name_passlogfiles[] = {"passlogfile", NULL}; static const char *const opt_name_max_muxing_queue_size[] = {"max_muxing_queue_size", NULL}; static const char *const opt_name_muxing_queue_data_threshold[] = {"muxing_queue_data_threshold", NULL}; static const char *const opt_name_guess_layout_max[] = {"guess_layout_max", NULL}; static const char *const opt_name_apad[] = {"apad", NULL}; static const char *const opt_name_discard[] = {"discard", NULL}; static const char *const opt_name_disposition[] = {"disposition", NULL}; static const char *const opt_name_time_bases[] = {"time_base", NULL}; static const char *const opt_name_enc_time_bases[] = {"enc_time_base", NULL}; static const char *const opt_name_bits_per_raw_sample[] = {"bits_per_raw_sample", NULL}; #define WARN_MULTIPLE_OPT_USAGE(name, type, so, st)\ {\ char namestr[128] = "";\ const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\ for (i = 0; opt_name_##name[i]; i++)\ av_strlcatf(namestr, sizeof(namestr), "-%s%s", opt_name_##name[i], opt_name_##name[i+1] ? (opt_name_##name[i+2] ? ", " : " or ") : "");\ av_log(NULL, AV_LOG_WARNING, "Multiple %s options specified for stream %d, only the last option '-%s%s%s "SPECIFIER_OPT_FMT_##type"' will be used.\n",\ namestr, st->index, opt_name_##name[0], spec[0] ? ":" : "", spec, so->u.type);\ } #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ {\ int i, ret, matches = 0;\ SpecifierOpt *so;\ for (i = 0; i < o->nb_ ## name; i++) {\ char *spec = o->name[i].specifier;\ if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\ outvar = o->name[i].u.type;\ so = &o->name[i];\ matches++;\ } else if (ret < 0)\ exit_program(1);\ }\ if (matches > 1)\ WARN_MULTIPLE_OPT_USAGE(name, type, so, st);\ } #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\ {\ int i;\ for (i = 0; i < o->nb_ ## name; i++) {\ char *spec = o->name[i].specifier;\ if (!strcmp(spec, mediatype))\ outvar = o->name[i].u.type;\ }\ } HWDevice *filter_hw_device; char *vstats_filename; char *sdp_filename; float audio_drift_threshold = 0.1; float dts_delta_threshold = 10; float dts_error_threshold = 3600*30; int audio_volume = 256; int audio_sync_method = 0; enum VideoSyncMethod video_sync_method = VSYNC_AUTO; float frame_drop_threshold = 0; int do_benchmark = 0; int do_benchmark_all = 0; int do_hex_dump = 0; int do_pkt_dump = 0; int copy_ts = 0; int start_at_zero = 0; int copy_tb = -1; int debug_ts = 0; int exit_on_error = 0; int abort_on_flag