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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159/* * This file is part of mpv. * * mpv 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. * * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MP_PARSE_COMMAND_H#define MP_PARSE_COMMAND_H
#include <stdbool.h>
#include "misc/bstr.h"#include "options/m_option.h"
#define MP_CMD_DEF_MAX_ARGS 11#define MP_CMD_OPT_ARG M_OPT_OPTIONAL_PARAM
struct mp_log;struct mp_cmd;struct mpv_node;
struct mp_cmd_def { const char *name; // user-visible name (as used in input.conf) void (*handler)(void *ctx); const struct m_option args[MP_CMD_DEF_MAX_ARGS]; const void *priv; // for free use by handler() bool allow_auto_repeat; // react to repeated key events bool on_updown; // always emit it on both up and down key events bool vararg; // last argument can be given 0 to multiple times bool scalable; // command called with scale for high resolution input bool is_ignore; // used by ignore command only, avoids queuing commands bool is_noisy; // reduce log level bool default_async; // default to MP_ASYNC flag if none set by user // If you set this, handler() must ensure mp_cmd_ctx_complete() is called // at some point (can be after handler() returns). If you don't set it, the // common code will call mp_cmd_ctx_complete() when handler() returns. // You must make sure that the core cannot disappear while you do work. The // common code keeps the core referenced only until handler() returns. bool exec_async; // If set, handler() is run on a separate worker thread. This means you can // use mp_core_[un]lock() to temporarily unlock and re-lock the core (while // unlocked, you have no synchronized access to mpctx, but you can do long // running operations without blocking playback or input handling). bool spawn_thread; // If this is set, mp_cmd_ctx.abort is set. Set this if handler() can do // asynchronous abort of the command, and explicitly uses mp_cmd_ctx.abort. // (Not setting it when it's not needed can save resources.) bool can_abort; // If playback ends, and the command is still running, an abort is // automatically triggered. bool abort_on_playback_end;};
enum mp_cmd_flags { MP_ON_OSD_NO = 0, // prefer not using OSD MP_ON_OSD_AUTO = 1, // use default behavior of the specific command MP_ON_OSD_BAR = 2, // force a bar, if applicable MP_ON_OSD_MSG = 4, // force a message, if applicable MP_EXPAND_PROPERTIES = 8, // expand strings as properties MP_ALLOW_REPEAT = 16, // if used as keybinding, allow key repeat
// Exactly one of the following 2 bits is set. Which one is used depends on // the command parser (prefixes and mp_cmd_def.default_async). MP_ASYNC_CMD = 32, // do not wait for command to complete MP_SYNC_CMD = 64, // block on command completion
MP_DISALLOW_REPEAT = 128, // if used as keybinding, disallow key repeat MP_DISALLOW_SCALE = 256, // if used as keybinding, make it non-scalable
MP_ON_OSD_FLAGS = MP_ON_OSD_NO | MP_ON_OSD_AUTO | MP_ON_OSD_BAR | MP_ON_OSD_MSG,};
// Arbitrary upper bound for sanity.#define MP_CMD_MAX_ARGS 100
struct mp_cmd_arg { const struct m_option *type; union { bool b; int i; int64_t i64; float f; double d; char *s; char **str_list; void *p; } v;};
typedef struct mp_cmd { char *name; struct mp_cmd_arg *args; int nargs; int flags; // mp_cmd_flags bitfield char *original; char *desc; // (usually NULL since stripped away later) bstr input_section; bool is_up_down : 1; bool is_up : 1; bool emit_on_up : 1; bool is_mouse_button : 1; bool repeated : 1; bool mouse_move : 1; bool canceled : 1; int mouse_x, mouse_y; struct mp_cmd *queue_next; double scale; // for scaling numeric arguments int scale_units; const struct mp_cmd_def *def; char *sender; // name of the client API user which sent this char *key_name; // string representation of the key binding char *key_text; // text if key is a text key} mp_cmd_t;
extern const struct mp_cmd_def mp_cmds[];extern const struct mp_cmd_def mp_cmd_list;
bool mp_input_is_repeatable_cmd(struct mp_cmd *cmd);
bool mp_input_is_scalable_cmd(struct mp_cmd *cmd);
void mp_print_cmd_list(struct mp_log *out);
// Parse text and return corresponding struct mp_cmd.// The location parameter is for error messages.struct mp_cmd *mp_input_parse_cmd_str(struct mp_log *log, bstr str, const char *loc);
// Similar to mp_input_parse_cmd(), but takes a list of strings instead.// Also, MP_ON_OSD_AUTO | MP_EXPAND_PROPERTIES are not set by default.// Keep in mind that these functions (naturally) don't take multiple commands,// i.e. a ";" argument does not start a new command.struct mp_cmd *mp_input_parse_cmd_strv(struct mp_log *log, const char **argv);
struct mp_cmd *mp_input_parse_cmd_node(struct mp_log *log, struct mpv_node *node);
// After getting a command from mp_input_get_cmd you need to free it using this// functionvoid mp_cmd_free(struct mp_cmd *cmd);
void mp_cmd_dump(struct mp_log *log, int msgl, char *header, struct mp_cmd *cmd);
// This creates a copy of a command (used by the auto repeat stuff).struct mp_cmd *mp_cmd_clone(struct mp_cmd *cmd);
#endif