mirror of
https://github.com/mpv-player/mpv
synced 2024-11-03 03:19:24 +01:00
2ac74977c5
The intention is to give libmpv users as much flexibility to load scripts as using mpv from CLI, but without restricting libmpv users from having to decide everything on creation time, or having to go through hacks like recreating the libmpv context to update state.
365 lines
13 KiB
C
365 lines
13 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <limits.h>
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#include "common/common.h"
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#include "common/msg.h"
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#include "options/m_option.h"
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#include "input.h"
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#include "cmd_list.h"
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#include "cmd_parse.h"
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// This does not specify the real destination of the command parameter values,
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// it just provides a dummy for the OPT_ macros.
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#define OPT_BASE_STRUCT struct mp_cmd_arg
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#define ARG(t) "", v. t
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/* This array defines all known commands.
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* The first field is an id used to recognize the command.
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* The second is the command name used in slave mode and input.conf.
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* Then comes the definition of each argument, first mandatory arguments
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* (ARG_INT, ARG_FLOAT, ARG_STRING) if any, then optional arguments
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* (OARG_INT(default), etc) if any. The command will be given the default
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* argument value if the user didn't give enough arguments to specify it.
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* A command can take a maximum of MP_CMD_MAX_ARGS arguments.
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*/
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#define ARG_INT OPT_INT(ARG(i), 0)
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#define ARG_FLOAT OPT_FLOAT(ARG(f), 0)
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#define ARG_DOUBLE OPT_DOUBLE(ARG(d), 0)
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#define ARG_STRING OPT_STRING(ARG(s), 0)
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#define ARG_CHOICE(c) OPT_CHOICE(ARG(i), 0, c)
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#define ARG_CHOICE_OR_INT(...) OPT_CHOICE_OR_INT(ARG(i), 0, __VA_ARGS__)
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#define ARG_TIME OPT_TIME(ARG(d), 0)
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#define OARG_DOUBLE(def) OPT_DOUBLE(ARG(d), 0, OPTDEF_DOUBLE(def))
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#define OARG_INT(def) OPT_INT(ARG(i), 0, OPTDEF_INT(def))
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#define OARG_CHOICE(def, c) OPT_CHOICE(ARG(i), 0, c, OPTDEF_INT(def))
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#define OARG_FLAGS(def, c) OPT_FLAGS(ARG(i), 0, c, OPTDEF_INT(def))
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#define OARG_STRING(def) OPT_STRING(ARG(s), 0, OPTDEF_STR(def))
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#define OARG_CYCLEDIR(def) OPT_CYCLEDIR(ARG(d), 0, OPTDEF_DOUBLE(def))
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const struct mp_cmd_def mp_cmds[] = {
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{ MP_CMD_IGNORE, "ignore", },
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{ MP_CMD_SEEK, "seek", {
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ARG_TIME,
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OARG_FLAGS(4|0, ({"relative", 4|0}, {"-", 4|0},
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{"absolute-percent", 4|1},
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{"absolute", 4|2},
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{"relative-percent", 4|3},
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{"keyframes", 32|8},
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{"exact", 32|16})),
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// backwards compatibility only
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OARG_CHOICE(0, ({"unused", 0}, {"default-precise", 0},
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{"keyframes", 32|8},
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{"exact", 32|16})),
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},
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.allow_auto_repeat = true,
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},
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{ MP_CMD_REVERT_SEEK, "revert-seek", {
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OARG_FLAGS(0, ({"mark", 1})),
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}},
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{ MP_CMD_QUIT, "quit", { OARG_INT(0) } },
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{ MP_CMD_QUIT_WATCH_LATER, "quit-watch-later", { OARG_INT(0) } },
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{ MP_CMD_STOP, "stop", },
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{ MP_CMD_FRAME_STEP, "frame-step", .allow_auto_repeat = true,
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.on_updown = true },
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{ MP_CMD_FRAME_BACK_STEP, "frame-back-step", .allow_auto_repeat = true },
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{ MP_CMD_PLAYLIST_NEXT, "playlist-next", {
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OARG_CHOICE(0, ({"weak", 0},
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{"force", 1})),
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}},
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{ MP_CMD_PLAYLIST_PREV, "playlist-prev", {
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OARG_CHOICE(0, ({"weak", 0},
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{"force", 1})),
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}},
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{ MP_CMD_PLAYLIST_SHUFFLE, "playlist-shuffle", },
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{ MP_CMD_SUB_STEP, "sub-step", { ARG_INT }, .allow_auto_repeat = true },
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{ MP_CMD_SUB_SEEK, "sub-seek", { ARG_INT }, .allow_auto_repeat = true },
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{ MP_CMD_OSD, "osd", { OARG_INT(-1) } },
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{ MP_CMD_PRINT_TEXT, "print-text", { ARG_STRING }, .allow_auto_repeat = true },
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{ MP_CMD_SHOW_TEXT, "show-text", { ARG_STRING, OARG_INT(-1), OARG_INT(0) },
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.allow_auto_repeat = true},
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{ MP_CMD_SHOW_PROGRESS, "show-progress", .allow_auto_repeat = true},
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{ MP_CMD_SUB_ADD, "sub-add", { ARG_STRING,
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OARG_CHOICE(0, ({"select", 0}, {"auto", 1}, {"cached", 2})),
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OARG_STRING(""), OARG_STRING("") } },
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{ MP_CMD_SUB_REMOVE, "sub-remove", { OARG_INT(-1) } },
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{ MP_CMD_SUB_RELOAD, "sub-reload", { OARG_INT(-1) } },
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{ MP_CMD_TV_LAST_CHANNEL, "tv-last-channel", },
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{ MP_CMD_SCREENSHOT, "screenshot", {
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OARG_FLAGS(4|2, ({"video", 4|0}, {"-", 4|0},
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{"window", 4|1},
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{"subtitles", 4|2},
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{"each-frame", 8})),
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// backwards compatibility
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OARG_CHOICE(0, ({"unused", 0}, {"single", 0},
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{"each-frame", 8})),
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}},
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{ MP_CMD_SCREENSHOT_TO_FILE, "screenshot-to-file", {
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ARG_STRING,
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OARG_CHOICE(2, ({"video", 0},
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{"window", 1},
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{"subtitles", 2})),
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}},
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{ MP_CMD_SCREENSHOT_RAW, "screenshot-raw", {
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OARG_CHOICE(2, ({"video", 0},
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{"window", 1},
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{"subtitles", 2})),
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}},
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{ MP_CMD_LOADFILE, "loadfile", {
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ARG_STRING,
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OARG_CHOICE(0, ({"replace", 0},
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{"append", 1},
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{"append-play", 2})),
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OPT_KEYVALUELIST(ARG(str_list), MP_CMD_OPT_ARG),
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}},
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{ MP_CMD_LOADLIST, "loadlist", {
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ARG_STRING,
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OARG_CHOICE(0, ({"replace", 0},
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{"append", 1})),
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}},
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{ MP_CMD_PLAYLIST_CLEAR, "playlist-clear", },
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{ MP_CMD_PLAYLIST_REMOVE, "playlist-remove", {
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ARG_CHOICE_OR_INT(0, INT_MAX, ({"current", -1})),
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}},
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{ MP_CMD_PLAYLIST_MOVE, "playlist-move", { ARG_INT, ARG_INT } },
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{ MP_CMD_RUN, "run", { ARG_STRING, ARG_STRING }, .vararg = true },
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{ MP_CMD_SET, "set", { ARG_STRING, ARG_STRING } },
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{ MP_CMD_ADD, "add", { ARG_STRING, OARG_DOUBLE(1) },
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.allow_auto_repeat = true},
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{ MP_CMD_CYCLE, "cycle", {
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ARG_STRING,
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OARG_CYCLEDIR(1),
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},
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.allow_auto_repeat = true
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},
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{ MP_CMD_MULTIPLY, "multiply", { ARG_STRING, ARG_DOUBLE },
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.allow_auto_repeat = true},
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{ MP_CMD_CYCLE_VALUES, "cycle-values", { ARG_STRING, ARG_STRING, ARG_STRING },
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.vararg = true},
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{ MP_CMD_ENABLE_INPUT_SECTION, "enable-section", {
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ARG_STRING,
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OARG_FLAGS(0, ({"default", 0},
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{"exclusive", MP_INPUT_EXCLUSIVE},
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{"allow-hide-cursor", MP_INPUT_ALLOW_HIDE_CURSOR},
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{"allow-vo-dragging", MP_INPUT_ALLOW_VO_DRAGGING})),
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}},
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{ MP_CMD_DISABLE_INPUT_SECTION, "disable-section", { ARG_STRING } },
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{ MP_CMD_DEFINE_INPUT_SECTION, "define-section", {
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ARG_STRING,
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ARG_STRING,
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OARG_CHOICE(1, ({"default", 1},
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{"force", 0})),
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}},
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{ MP_CMD_AB_LOOP, "ab-loop", },
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{ MP_CMD_DROP_BUFFERS, "drop-buffers", },
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{ MP_CMD_AF, "af", { ARG_STRING, ARG_STRING } },
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{ MP_CMD_AF_COMMAND, "af-command", { ARG_STRING, ARG_STRING, ARG_STRING } },
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{ MP_CMD_AO_RELOAD, "ao-reload", },
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{ MP_CMD_VF, "vf", { ARG_STRING, ARG_STRING } },
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{ MP_CMD_VF_COMMAND, "vf-command", { ARG_STRING, ARG_STRING, ARG_STRING } },
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{ MP_CMD_SCRIPT_BINDING, "script-binding", { ARG_STRING },
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.allow_auto_repeat = true, .on_updown = true},
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{ MP_CMD_SCRIPT_MESSAGE, "script-message", { ARG_STRING }, .vararg = true },
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{ MP_CMD_SCRIPT_MESSAGE_TO, "script-message-to", { ARG_STRING, ARG_STRING },
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.vararg = true },
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{ MP_CMD_OVERLAY_ADD, "overlay-add",
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{ ARG_INT, ARG_INT, ARG_INT, ARG_STRING, ARG_INT, ARG_STRING, ARG_INT,
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ARG_INT, ARG_INT }},
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{ MP_CMD_OVERLAY_REMOVE, "overlay-remove", { ARG_INT } },
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{ MP_CMD_WRITE_WATCH_LATER_CONFIG, "write-watch-later-config", },
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{ MP_CMD_HOOK_ADD, "hook-add", { ARG_STRING, ARG_INT, ARG_INT } },
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{ MP_CMD_HOOK_ACK, "hook-ack", { ARG_STRING } },
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{ MP_CMD_MOUSE, "mouse", {
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ARG_INT, ARG_INT, // coordinate (x, y)
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OARG_INT(-1), // button number
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OARG_CHOICE(0, ({"single", 0},
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{"double", 1})),
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}},
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{ MP_CMD_KEYPRESS, "keypress", { ARG_STRING } },
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{ MP_CMD_KEYDOWN, "keydown", { ARG_STRING } },
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{ MP_CMD_KEYUP, "keyup", { OARG_STRING("") } },
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{ MP_CMD_AUDIO_ADD, "audio-add", { ARG_STRING,
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OARG_CHOICE(0, ({"select", 0}, {"auto", 1}, {"cached", 2})),
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OARG_STRING(""), OARG_STRING("") } },
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{ MP_CMD_AUDIO_REMOVE, "audio-remove", { OARG_INT(-1) } },
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{ MP_CMD_AUDIO_RELOAD, "audio-reload", { OARG_INT(-1) } },
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{ MP_CMD_RESCAN_EXTERNAL_FILES, "rescan-external-files", {
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OARG_CHOICE(1, ({"keep-selection", 0},
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{"reselect", 1})),
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}},
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{ MP_CMD_APPLY_PROFILE, "apply-profile", {ARG_STRING } },
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{ MP_CMD_LOAD_SCRIPT, "load-script", {ARG_STRING} },
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{0}
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};
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#undef OPT_BASE_STRUCT
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#undef ARG
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// Map legacy commands to proper commands
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struct legacy_cmd {
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const char *old, *new;
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};
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static const struct legacy_cmd legacy_cmds[] = {
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{"loop", "cycle loop"},
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{"seek_chapter", "add chapter"},
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{"switch_angle", "cycle angle"},
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{"pause", "cycle pause"},
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{"volume", "add volume"},
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{"mute", "cycle mute"},
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{"audio_delay", "add audio-delay"},
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{"switch_audio", "cycle audio"},
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{"balance", "add balance"},
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{"vo_fullscreen", "cycle fullscreen"},
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{"panscan", "add panscan"},
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{"vo_ontop", "cycle ontop"},
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{"vo_border", "cycle border"},
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{"frame_drop", "cycle framedrop"},
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{"gamma", "add gamma"},
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{"brightness", "add brightness"},
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{"contrast", "add contrast"},
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{"saturation", "add saturation"},
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{"hue", "add hue"},
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{"switch_vsync", "cycle vsync"},
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{"sub_load", "sub-add"},
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{"sub_select", "cycle sub"},
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{"sub_pos", "add sub-pos"},
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{"sub_delay", "add sub-delay"},
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{"sub_visibility", "cycle sub-visibility"},
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{"forced_subs_only", "cycle sub-forced-only"},
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{"sub_scale", "add sub-scale"},
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{"ass_use_margins", "cycle ass-use-margins"},
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{"tv_set_brightness", "add tv-brightness"},
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{"tv_set_hue", "add tv-hue"},
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{"tv_set_saturation", "add tv-saturation"},
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{"tv_set_contrast", "add tv-contrast"},
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{"step_property_osd", "cycle"},
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{"step_property", "no-osd cycle"},
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{"set_property", "no-osd set"},
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{"set_property_osd", "set"},
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{"speed_set", "set speed"},
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{"osd_show_text", "show-text"},
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{"osd_show_property_text", "show-text"},
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{"osd_show_progression", "show-progress"},
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{"show_chapters_osd", "show-text ${chapter-list}"},
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{"show_chapters", "show-text ${chapter-list}"},
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{"show_tracks_osd", "show-text ${track-list}"},
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{"show_tracks", "show-text ${track-list}"},
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{"show_playlist", "show-text ${playlist}"},
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{"speed_mult", "multiply speed"},
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// Approximate (can fail if user added additional whitespace)
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{"pt_step 1", "playlist-next"},
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{"pt_step -1", "playlist-prev"},
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// Switch_ratio without argument resets aspect ratio
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{"switch_ratio ", "set aspect "},
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{"switch_ratio", "set aspect 0"},
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{0}
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};
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bool mp_replace_legacy_cmd(void *t, bstr *s)
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{
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for (const struct legacy_cmd *entry = legacy_cmds; entry->old; entry++) {
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bstr old = bstr0(entry->old);
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if (bstrcasecmp(bstr_splice(*s, 0, old.len), old) == 0) {
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bstr rest = bstr_cut(*s, old.len);
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*s = bstr0(talloc_asprintf(t, "%s%.*s", entry->new, BSTR_P(rest)));
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return true;
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}
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}
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return false;
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}
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// 0: no, 1: maybe, 2: sure
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static int is_abort_cmd(struct mp_cmd *cmd)
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{
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switch (cmd->id) {
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case MP_CMD_QUIT:
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case MP_CMD_QUIT_WATCH_LATER:
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case MP_CMD_STOP:
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return 2;
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case MP_CMD_PLAYLIST_NEXT:
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case MP_CMD_PLAYLIST_PREV:
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return 1;
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case MP_CMD_COMMAND_LIST:;
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int r = 0;
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for (struct mp_cmd *sub = cmd->args[0].v.p; sub; sub = sub->queue_next) {
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int x = is_abort_cmd(sub);
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r = MPMAX(r, x);
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}
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return r;
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}
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return 0;
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}
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bool mp_input_is_maybe_abort_cmd(struct mp_cmd *cmd)
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{
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return is_abort_cmd(cmd) >= 1;
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}
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bool mp_input_is_abort_cmd(struct mp_cmd *cmd)
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{
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return is_abort_cmd(cmd) >= 2;
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}
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bool mp_input_is_repeatable_cmd(struct mp_cmd *cmd)
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{
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return (cmd->def && cmd->def->allow_auto_repeat) ||
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cmd->id == MP_CMD_COMMAND_LIST ||
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(cmd->flags & MP_ALLOW_REPEAT);
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}
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void mp_print_cmd_list(struct mp_log *out)
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{
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for (int i = 0; mp_cmds[i].name; i++) {
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const struct mp_cmd_def *def = &mp_cmds[i];
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mp_info(out, "%-20.20s", def->name);
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for (int j = 0; j < MP_CMD_MAX_ARGS && def->args[j].type; j++) {
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const char *type = def->args[j].type->name;
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if (def->args[j].defval)
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mp_info(out, " [%s]", type);
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else
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mp_info(out, " %s", type);
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}
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mp_info(out, "\n");
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}
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}
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