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https://github.com/mpv-player/mpv.git
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fb9bbf2a0d
This gets rid of run_command() and its big switch statement, which was an idiotically big function of almost 1000 lines. The switch is replaced with a callback per command, and each command is now implemented in its own function. Command IDs are not needed anymore, so the mp_command_type enum disappears. There should be no functional changes, but since this refactors 64 commands, regressions are possible. The handler() parameter is void*, because in theory the input code is supposed to be independent of the player core code. For example, you should be able to reuse the command parser code for some other part of mpv. In practice, the variable containing command list is defined in the player core anyway, so you could say this doesn't work. But I'm still trying to hold onto this idea, so I went with void*.
91 lines
3.1 KiB
C
91 lines
3.1 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
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPLAYER_COMMAND_H
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#define MPLAYER_COMMAND_H
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#include <stdbool.h>
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struct MPContext;
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struct mp_cmd;
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struct mp_log;
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struct mpv_node;
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struct m_config_option;
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void command_init(struct MPContext *mpctx);
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void command_uninit(struct MPContext *mpctx);
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// Runtime context for a single command.
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struct mp_cmd_ctx {
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struct MPContext *mpctx;
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struct mp_cmd *cmd; // original command
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// Fields from cmd (for convenience)
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struct mp_cmd_arg *args;
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int num_args;
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const void *priv; // cmd->def->priv
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// OSD control
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int on_osd; // MP_ON_OSD_FLAGS;
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bool msg_osd; // OSD message requested
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bool bar_osd; // OSD bar requested
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bool seek_msg_osd; // same as above, but for seek commands
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bool seek_bar_osd;
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// Return values
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bool success; // true by default
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struct mpv_node *result;
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};
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int run_command(struct MPContext *mpctx, struct mp_cmd *cmd, struct mpv_node *res);
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char *mp_property_expand_string(struct MPContext *mpctx, const char *str);
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char *mp_property_expand_escaped_string(struct MPContext *mpctx, const char *str);
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void property_print_help(struct MPContext *mpctx);
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int mp_property_do(const char* name, int action, void* val,
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struct MPContext *mpctx);
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int mp_on_set_option(void *ctx, struct m_config_option *co, void *data, int flags);
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void mp_option_change_callback(void *ctx, struct m_config_option *co, int flags);
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void mp_notify(struct MPContext *mpctx, int event, void *arg);
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void mp_notify_property(struct MPContext *mpctx, const char *property);
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void handle_command_updates(struct MPContext *mpctx);
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int mp_get_property_id(struct MPContext *mpctx, const char *name);
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uint64_t mp_get_property_event_mask(const char *name);
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enum {
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// Must start with the first unused positive value in enum mpv_event_id
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// MPV_EVENT_* and MP_EVENT_* must not overlap.
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INTERNAL_EVENT_BASE = 26,
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MP_EVENT_CHANGE_ALL,
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MP_EVENT_CACHE_UPDATE,
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MP_EVENT_WIN_RESIZE,
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MP_EVENT_WIN_STATE,
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MP_EVENT_CHANGE_PLAYLIST,
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MP_EVENT_CORE_IDLE,
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MP_EVENT_DURATION_UPDATE,
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};
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bool mp_hook_test_completion(struct MPContext *mpctx, char *type);
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void mp_hook_start(struct MPContext *mpctx, char *type);
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int mp_hook_continue(struct MPContext *mpctx, char *client, uint64_t id);
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void mp_hook_add(struct MPContext *mpctx, const char *client, const char *name,
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uint64_t user_id, int pri, bool legacy);
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void mark_seek(struct MPContext *mpctx);
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#endif /* MPLAYER_COMMAND_H */
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