/* * 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 MPLAYER_COMMAND_H#define MPLAYER_COMMAND_H #include <stdbool.h> #include "core.h"#include "libmpv/client.h"#include "osdep/compiler.h" struct MPContext;struct mp_cmd;struct mp_log;struct mpv_node;struct m_config_option; void command_init(struct MPContext *mpctx);void command_uninit(struct MPContext *mpctx); // Runtime context for a single command.struct mp_cmd_ctx {    struct MPContext *mpctx;    struct mp_cmd *cmd; // original command    // Fields from cmd (for convenience)    struct mp_cmd_arg *args;    int num_args;    const void *priv;   // cmd->def->priv    // OSD control    int on_osd;         // MP_ON_OSD_FLAGS;    bool msg_osd;       // OSD message requested    bool bar_osd;       // OSD bar requested    bool seek_msg_osd;  // same as above, but for seek commands    bool seek_bar_osd;    // If mp_cmd_def.can_abort is set, this will be set.    struct mp_abort_entry *abort;    // Return values (to be set by command implementation, read by the    // completion callback).    bool success;       // true by default    struct mpv_node result;    // Command handlers can set this to false if returning from the command    // handler does not complete the command. It stops the common command code    // from signaling the completion automatically, and you can call    // mp_cmd_ctx_complete() to invoke on_completion() properly (including all    // the bookkeeping).    /// (Note that in no case you can call mp_cmd_ctx_complete() from within    // the command handler, because it frees the mp_cmd_ctx.)    bool completed;     // true by default    // This is managed by the common command code. For rules about how and where    // this is called see run_command() comments.    void (*on_completion)(struct mp_cmd_ctx *cmd);    void *on_completion_priv; // for free use by on_completion callback}; void run_command(struct MPContext *mpctx, struct mp_cmd *cmd,                 struct mp_abort_entry *abort,                 void (*on_completion)(struct mp_cmd_ctx *cmd),                 void *on_completion_priv);void run_command_opts(struct MPContext *mpctx);void mp_cmd_ctx_complete(struct mp_cmd_ctx *cmd);PRINTF_ATTRIBUTE(3, 4)void mp_cmd_msg(struct mp_cmd_ctx *cmd, int status, const char *msg, ...);char *mp_property_expand_string(struct MPContext *mpctx, const char *str);char *mp_property_expand_escaped_string(struct MPContext *mpctx, const char *str);void property_print_help(struct MPContext *mpctx);int mp_property_do(const char* name, int action, void* val,                   struct MPContext *mpctx); void mp_option_change_callback(void *ctx, struct m_config_option *co, int flags,                               bool self_update); void mp_notify(struct MPContext *mpctx, int event, void *arg);void mp_notify_property(struct MPContext *mpctx, const char *property); void handle_command_updates(struct MPContext *mpctx); int mp_get_property_id(struct MPContext *mpctx, const char *name);uint64_t mp_get_property_event_mask(const char *name); enum {    // Must start with the first unused positive value in enum mpv_event_id    // MPV_EVENT_* and MP_EVENT_* must not overlap.    INTERNAL_EVENT_BASE = 26,    MP_EVENT_CHANGE_ALL,    MP_EVENT_CACHE_UPDATE,    MP_EVENT_WIN_RESIZE,    MP_EVENT_WIN_STATE,    MP_EVENT_WIN_STATE2,    MP_EVENT_FOCUS,    MP_EVENT_CHANGE_PLAYLIST,    MP_EVENT_CORE_IDLE,    MP_EVENT_DURATION_UPDATE,    MP_EVENT_INPUT_PROCESSED,    MP_EVENT_TRACKS_CHANGED,    MP_EVENT_TRACK_SWITCHED,    MP_EVENT_METADATA_UPDATE,    MP_EVENT_CHAPTER_CHANGE,}; bool mp_hook_test_completion(struct MPContext *mpctx, char *type);void mp_hook_start(struct MPContext *mpctx, char *type);int mp_hook_continue(struct MPContext *mpctx, int64_t client_id, uint64_t id);void mp_hook_add(struct MPContext *mpctx, char *client, int64_t client_id,                 const char *name, uint64_t user_id, int pri); void mark_seek(struct MPContext *mpctx); void mp_abort_cache_dumping(struct MPContext *mpctx); // U+25CB WHITE CIRCLE// U+25CF BLACK CIRCLE#define WHITE_CIRCLE "\xe2\x97\x8b"#define BLACK_CIRCLE "\xe2\x97\x8f"char *mp_format_track_metadata(void *ctx, struct track *t, bool add_lang); #endif /* MPLAYER_COMMAND_H */