mirror of
https://github.com/mpv-player/mpv
synced 2024-12-19 05:15:12 +00:00
9df2260506
This option can be used to selectively reset settings when playing the next file in the playlist (i.e. restore mplayer and mplayer2 behavior). Might remove this option again should it turn out that nobody uses it.
211 lines
7.2 KiB
C
211 lines
7.2 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer 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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* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_M_CONFIG_H
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#define MPLAYER_M_CONFIG_H
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#include <stdbool.h>
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#include "core/bstr.h"
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// m_config provides an API to manipulate the config variables in MPlayer.
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// It makes use of the Options API to provide a context stack that
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// allows saving and later restoring the state of all variables.
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typedef struct m_profile m_profile_t;
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struct m_option;
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struct m_option_type;
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struct m_sub_options;
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// Config option
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struct m_config_option {
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struct m_config_option *next;
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// Full name (ie option-subopt).
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char *name;
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// Option description.
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const struct m_option *opt;
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// Raw value of the option.
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void *data;
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// Raw value of the backup of the global value (or NULL).
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void *global_backup;
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// If this is a suboption, the option that contains this option.
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struct m_config_option *parent;
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// If this option aliases another, more important option. The alias_owner
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// option is the one that has the most correct option type for the data
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// variable, and which is considered the original.
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struct m_config_option *alias_owner;
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};
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// Profiles allow to predefine some sets of options that can then
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// be applied later on with the internal -profile option.
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// Config profile
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struct m_profile {
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struct m_profile *next;
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char *name;
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char *desc;
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int num_opts;
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// Option/value pair array.
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char **opts;
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};
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// Config object
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/** \ingroup Config */
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typedef struct m_config {
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// Registered options.
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/** This contains all options and suboptions.
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*/
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struct m_config_option *opts;
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// When options are set (via m_config_set_option or m_config_set_profile),
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// back up the old value (unless it's already backed up). Used for restoring
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// global options when per-file options are set.
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bool file_local_mode;
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// List of defined profiles.
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struct m_profile *profiles;
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// Depth when recursively including profiles.
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int profile_depth;
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void *optstruct; // struct mpopts or other
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int (*includefunc)(struct m_config *conf, char *filename);
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} m_config_t;
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// Create a new config object.
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struct m_config *
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m_config_new(void *optstruct,
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int includefunc(struct m_config *conf, char *filename));
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struct m_config *m_config_simple(void *optstruct);
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// Free a config object.
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void m_config_free(struct m_config *config);
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void m_config_enter_file_local(struct m_config *config);
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void m_config_leave_file_local(struct m_config *config);
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void m_config_mark_file_local(struct m_config *config, const char *opt);
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void m_config_mark_all_file_local(struct m_config *config);
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/* Register some options to be used.
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* \param config The config object.
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* \param args An array of \ref m_option struct.
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* \return 1 on success, 0 on failure.
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*/
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int m_config_register_options(struct m_config *config,
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const struct m_option *args);
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enum {
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M_SETOPT_PRE_PARSE_ONLY = 1, // Silently ignore non-M_OPT_PRE_PARSE opt.
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M_SETOPT_CHECK_ONLY = 2, // Don't set, just check name/value
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M_SETOPT_FROM_CONFIG_FILE = 4, // Reject M_OPT_NOCFG opt. (print error)
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};
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// Set the named option to the given string.
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// flags: combination of M_SETOPT_* flags (0 for normal operation)
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// Returns >= 0 on success, otherwise see OptionParserReturn.
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int m_config_set_option_ext(struct m_config *config, struct bstr name,
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struct bstr param, int flags);
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/* Set an option. (Like: m_config_set_option_ext(config, name, param, 0))
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* \param config The config object.
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* \param name The option's name.
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* \param param The value of the option, can be NULL.
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* \return See \ref OptionParserReturn.
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*/
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int m_config_set_option(struct m_config *config, struct bstr name,
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struct bstr param);
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static inline int m_config_set_option0(struct m_config *config,
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const char *name, const char *param)
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{
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return m_config_set_option(config, bstr0(name), bstr0(param));
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}
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int m_config_parse_suboptions(struct m_config *config, char *name,
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char *subopts);
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/* Get the option matching the given name.
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* \param config The config object.
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* \param name The option's name.
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*/
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const struct m_option *m_config_get_option(const struct m_config *config,
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struct bstr name);
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struct m_config_option *m_config_get_co(const struct m_config *config,
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struct bstr name);
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// Return a hint to the option parser whether a parameter is/may be required.
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// The option may still accept empty/non-empty parameters independent from
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// this, and this function is useful only for handling ambiguous options like
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// flags (e.g. "--a" is ok, "--a=yes" is also ok).
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// Returns: error code (<0), or number of expected params (0, 1)
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int m_config_option_requires_param(struct m_config *config, bstr name);
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/* Print a list of all registered options.
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* \param config The config object.
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*/
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void m_config_print_option_list(const struct m_config *config);
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/* Find the profile with the given name.
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* \param config The config object.
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* \param arg The profile's name.
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* \return The profile object or NULL.
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*/
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struct m_profile *m_config_get_profile(const struct m_config *config,
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char *name);
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/* Get the profile with the given name, creating it if necessary.
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* \param config The config object.
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* \param arg The profile's name.
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* \return The profile object.
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*/
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struct m_profile *m_config_add_profile(struct m_config *config, char *name);
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/* Set the description of a profile.
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* Used by the config file parser when defining a profile.
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*
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* \param p The profile object.
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* \param arg The profile's name.
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*/
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void m_profile_set_desc(struct m_profile *p, char *desc);
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/* Add an option to a profile.
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* Used by the config file parser when defining a profile.
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*
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* \param config The config object.
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* \param p The profile object.
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* \param name The option's name.
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* \param val The option's value.
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*/
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int m_config_set_profile_option(struct m_config *config, struct m_profile *p,
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bstr name, bstr val);
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/* Enables profile usage
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* Used by the config file parser when loading a profile.
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*
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* \param config The config object.
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* \param p The profile object.
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*/
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void m_config_set_profile(struct m_config *config, struct m_profile *p);
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void *m_config_alloc_struct(void *talloc_parent,
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const struct m_sub_options *subopts);
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#endif /* MPLAYER_M_CONFIG_H */
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