diff options
Diffstat (limited to 'options/m_option.h')
| -rw-r--r-- | options/m_option.h | 232 |
1 files changed, 99 insertions, 133 deletions
diff --git a/options/m_option.h b/options/m_option.h index 97383237a5..fc48b42bd2 100644 --- a/options/m_option.h +++ b/options/m_option.h @@ -371,6 +371,7 @@ struct m_option { // Float types use [DBL_MIN, DBL_MAX], though by setting min or max to // -/+INFINITY, the range can be extended to INFINITY. (This part is buggy // for "float".) + // Preferably use M_RANGE() to set these fields. // Some types will abuse the min or max field for unrelated things. double min, max; @@ -569,6 +570,9 @@ extern const char m_option_path_separator; (offsetof(type, member) + (0 && MP_EXPECT_TYPE(expected_member_type*, \ &((type*)0)->member))) +#define OPT_TYPED_FIELD(type_, c_type, field) \ + .type = &type_, \ + .offset = MP_CHECKED_OFFSETOF(OPT_BASE_STRUCT, field, c_type) #define OPTION_LIST_SEPARATOR ',' @@ -578,185 +582,147 @@ extern const char m_option_path_separator; #define OPTDEF_FLOAT(f) .defval = (void *)&(const float){f} #define OPTDEF_DOUBLE(d) .defval = (void *)&(const double){d} -#define OPT_GENERAL(ctype, optname, varname, flagv, ...) \ - {.name = optname, .flags = flagv, \ - .offset = MP_CHECKED_OFFSETOF(OPT_BASE_STRUCT, varname, ctype), \ - __VA_ARGS__} +#define M_RANGE(a, b) .min = (a), .max = (b) -#define OPT_GENERAL_NOTYPE(optname, varname, flagv, ...) \ - {.name = optname, .flags = flagv, \ - .offset = offsetof(OPT_BASE_STRUCT, varname), \ - __VA_ARGS__} +#define OPT_BOOL(field) \ + OPT_TYPED_FIELD(m_option_type_bool, bool, field) -#define OPT_HELPER_REMOVEPAREN(...) __VA_ARGS__ +#define OPT_FLAG(field) \ + OPT_TYPED_FIELD(m_option_type_flag, int, field) -#define OPTF_BOOL(field) \ - .type = &m_option_type_bool, \ - .offset = MP_CHECKED_OFFSETOF(OPT_BASE_STRUCT, field, bool), +#define OPT_INT(field) \ + OPT_TYPED_FIELD(m_option_type_int, int, field) -/* The OPT_SOMETHING->OPT_SOMETHING_ kind of redirection exists to - * make the code fully standard-conforming: the C standard requires that - * __VA_ARGS__ has at least one argument (though GCC for example would accept - * 0). Thus the first OPT_SOMETHING is a wrapper which just adds one - * argument to ensure __VA_ARGS__ is not empty when calling the next macro. - */ +#define OPT_INT64(field) \ + OPT_TYPED_FIELD(m_option_type_int64, int64_t, field) + +#define OPT_FLOAT(field) \ + OPT_TYPED_FIELD(m_option_type_float, float, field) -// Note: new code should use OPTF_BOOL instead -#define OPT_FLAG(...) \ - OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_flag) +#define OPT_DOUBLE(field) \ + OPT_TYPED_FIELD(m_option_type_double, double, field) -#define OPT_STRINGLIST(...) \ - OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list) +#define OPT_STRING(field) \ + OPT_TYPED_FIELD(m_option_type_string, char*, field) -#define OPT_KEYVALUELIST(...) \ - OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_keyvalue_list) +#define OPT_STRINGLIST(field) \ + OPT_TYPED_FIELD(m_option_type_string_list, char**, field) -#define OPT_PATHLIST(...) \ - OPT_GENERAL(char**, __VA_ARGS__, .type = &m_option_type_string_list,\ - .priv = (void *)&m_option_path_separator) +#define OPT_KEYVALUELIST(field) \ + OPT_TYPED_FIELD(m_option_type_keyvalue_list, char**, field) -#define OPT_INT(...) \ - OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_int) +#define OPT_PATHLIST(field) \ + OPT_TYPED_FIELD(m_option_type_string_list, char**, field), \ + .priv = (void *)&m_option_path_separator -#define OPT_INT64(...) \ - OPT_GENERAL(int64_t, __VA_ARGS__, .type = &m_option_type_int64) +#define OPT_TIME(field) \ + OPT_TYPED_FIELD(m_option_type_time, double, field) -#define OPT_RANGE_(ctype, optname, varname, flags, minval, maxval, ...) \ - OPT_GENERAL(ctype, optname, varname, flags, \ - .min = minval, .max = maxval, __VA_ARGS__) +#define OPT_REL_TIME(field) \ + OPT_TYPED_FIELD(m_option_type_rel_time, struct m_rel_time, field) -#define OPT_INTRANGE(...) \ - OPT_RANGE_(int, __VA_ARGS__, .type = &m_option_type_int) +#define OPT_COLOR(field) \ + OPT_TYPED_FIELD(m_option_type_color, struct m_color, field) -#define OPT_FLOATRANGE(...) \ - OPT_RANGE_(float, __VA_ARGS__, .type = &m_option_type_float) +#define OPT_BYTE_SIZE(field) \ + OPT_TYPED_FIELD(m_option_type_byte_size, int64_t, field) -#define OPT_DOUBLERANGE(...) \ - OPT_RANGE_(double, __VA_ARGS__, .type = &m_option_type_double) +#define OPT_GEOMETRY(field) \ + OPT_TYPED_FIELD(m_option_type_geometry, struct m_geometry, field) -#define OPT_FLOAT(...) \ - OPT_GENERAL(float, __VA_ARGS__, .type = &m_option_type_float) +#define OPT_SIZE_BOX(field) \ + OPT_TYPED_FIELD(m_option_type_size_box, struct m_geometry, field) -#define OPT_DOUBLE(...) \ - OPT_GENERAL(double, __VA_ARGS__, .type = &m_option_type_double) +#define OPT_TRACKCHOICE(field) \ + OPT_CHOICE(field, {"no", -2}, {"auto", -1}), \ + M_RANGE(0, 8190) -#define OPT_STRING(...) \ - OPT_GENERAL(char*, __VA_ARGS__, .type = &m_option_type_string) +#define OPT_MSGLEVELS(field) \ + OPT_TYPED_FIELD(m_option_type_msglevels, char **, field) -#define OPT_SETTINGSLIST(optname, varname, flags, objlist, ...) \ - OPT_GENERAL(m_obj_settings_t*, optname, varname, flags, \ - .type = &m_option_type_obj_settings_list, \ - .priv = (void*)MP_EXPECT_TYPE(const struct m_obj_list*, objlist), \ - __VA_ARGS__) +#define OPT_ASPECT(field) \ + OPT_TYPED_FIELD(m_option_type_aspect, float, field) -#define OPT_IMAGEFORMAT(...) \ - OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_imgfmt) +#define OPT_IMAGEFORMAT(field) \ + OPT_TYPED_FIELD(m_option_type_imgfmt, int, field) -#define OPT_AUDIOFORMAT(...) \ - OPT_GENERAL(int, __VA_ARGS__, .type = &m_option_type_afmt) +#define OPT_AUDIOFORMAT(field) \ + OPT_TYPED_FIELD(m_option_type_afmt, int, field) // If .min==1, then passing auto is disallowed, but "" is still accepted, and // limit channel list to 1 item. -#define OPT_CHANNELS(...) \ - OPT_GENERAL(struct m_channels, __VA_ARGS__, .type = &m_option_type_channels) - -#define M_CHOICES(choices) \ - .priv = (void *)&(const struct m_opt_choice_alternatives[]){ \ - OPT_HELPER_REMOVEPAREN choices, {NULL}} - -#define OPT_CHOICE(...) \ - OPT_CHOICE_(__VA_ARGS__, .type = &m_option_type_choice) -#define OPT_CHOICE_(optname, varname, flags, choices, ...) \ - OPT_GENERAL(int, optname, varname, flags, M_CHOICES(choices), __VA_ARGS__) -// Variant which takes a pointer to struct m_opt_choice_alternatives directly -#define OPT_CHOICE_C(optname, varname, flags, choices, ...) \ - OPT_GENERAL(int, optname, varname, flags, .priv = (void *) \ - MP_EXPECT_TYPE(const struct m_opt_choice_alternatives*, choices), \ - .type = &m_option_type_choice, __VA_ARGS__) - -#define OPT_FLAGS(...) \ - OPT_CHOICE_(__VA_ARGS__, .type = &m_option_type_flags) +#define OPT_CHANNELS(field) \ + OPT_TYPED_FIELD(m_option_type_channels, struct m_channels, field) -// Union of choices and an int range. The choice values can be included in the -// int range, or be completely separate - both works. -#define OPT_CHOICE_OR_INT_(optname, varname, flags, minval, maxval, choices, ...) \ - OPT_GENERAL(int, optname, varname, flags, \ - .min = minval, .max = maxval, \ - M_CHOICES(choices), __VA_ARGS__) -#define OPT_CHOICE_OR_INT(...) \ - OPT_CHOICE_OR_INT_(__VA_ARGS__, .type = &m_option_type_choice) +#define OPT_STRING_VALIDATE(field, validate_fn) \ + OPT_TYPED_FIELD(m_option_type_string, char*, field), \ + .priv = MP_EXPECT_TYPE(m_opt_string_validate_fn, validate_fn) -#define OPT_TIME(...) \ - OPT_GENERAL(double, __VA_ARGS__, .type = &m_option_type_time) +#define M_CHOICES(...) \ + .priv = (void *)&(const struct m_opt_choice_alternatives[]){ __VA_ARGS__, {0}} -#define OPT_REL_TIME(...) \ - OPT_GENERAL(struct m_rel_time, __VA_ARGS__, .type = &m_option_type_rel_time) - -#define OPT_COLOR(...) \ - OPT_GENERAL(struct m_color, __VA_ARGS__, .type = &m_option_type_color) - -#define OPT_BYTE_SIZE(...) \ - OPT_RANGE_(int64_t, __VA_ARGS__, .type = &m_option_type_byte_size) - -#define OPT_GEOMETRY(...) \ - OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_geometry) +// Variant which takes a pointer to struct m_opt_choice_alternatives directly +#define OPT_CHOICE_C(field, choices) \ + OPT_TYPED_FIELD(m_option_type_choice, int, field), \ + .priv = (void *)MP_EXPECT_TYPE(const struct m_opt_choice_alternatives*, choices) -#define OPT_SIZE_BOX(...) \ - OPT_GENERAL(struct m_geometry, __VA_ARGS__, .type = &m_option_type_size_box) +// Variant where you pass a struct m_opt_choice_alternatives initializer +#define OPT_CHOICE(field, ...) \ + OPT_TYPED_FIELD(m_option_type_choice, int, field), \ + M_CHOICES(__VA_ARGS__) -#define OPT_TRACKCHOICE(name, var, ...) \ - OPT_CHOICE_OR_INT(name, var, 0, 0, 8190, ({"no", -2}, {"auto", -1}), \ - ## __VA_ARGS__) +#define OPT_FLAGS(field, ...) \ + OPT_TYPED_FIELD(m_option_type_flags, int, field), \ + M_CHOICES(__VA_ARGS__) -#define OPT_ASPECT(...) \ - OPT_GENERAL(float, __VA_ARGS__, .type = &m_option_type_aspect) +#define OPT_SETTINGSLIST(field, objlist) \ + OPT_TYPED_FIELD(m_option_type_obj_settings_list, m_obj_settings_t*, field), \ + .priv = (void*)MP_EXPECT_TYPE(const struct m_obj_list*, objlist) -#define OPT_STRING_VALIDATE_(optname, varname, flags, validate_fn, ...) \ - OPT_GENERAL(char*, optname, varname, flags, __VA_ARGS__, \ - .priv = MP_EXPECT_TYPE(m_opt_string_validate_fn, validate_fn)) -#define OPT_STRING_VALIDATE(...) \ - OPT_STRING_VALIDATE_(__VA_ARGS__, .type = &m_option_type_string) +#define OPT_FOURCC(field) \ + OPT_TYPED_FIELD(m_option_type_fourcc, int, field) -#define OPT_PRINT(optname, fn) \ - {.name = optname, \ - .flags = M_OPT_NOCFG | M_OPT_PRE_PARSE | M_OPT_NOPROP, \ - .type = &m_option_type_print_fn, \ - .priv = MP_EXPECT_TYPE(m_opt_print_fn, fn), \ - .offset = -1} +#define OPT_CYCLEDIR(field) \ + OPT_TYPED_FIELD(m_option_type_cycle_dir, double, field) // subconf must have the type struct m_sub_options. // All sub-options are prefixed with "name-" and are added to the current // (containing) option list. // If name is "", add the sub-options directly instead. -// varname refers to the field, that must be a pointer to a field described by +// "field" refers to the field, that must be a pointer to a field described by // the subconf struct. -#define OPT_SUBSTRUCT(name, varname, subconf, flagv) \ - OPT_GENERAL_NOTYPE(name, varname, flagv, \ - .type = &m_option_type_subconfig, \ - .priv = (void*)&subconf) +#define OPT_SUBSTRUCT(field, subconf) \ + .offset = offsetof(OPT_BASE_STRUCT, field), \ + .type = &m_option_type_subconfig, .priv = (void*)&subconf + +// Non-fields -// Provide a another name for the option. -#define OPT_ALIAS(optname, newname) \ - {.name = optname, .type = &m_option_type_alias, .priv = newname, \ - .offset = -1} +#define OPT_ALIAS(newname) \ + .type = &m_option_type_alias, .priv = newname, .offset = -1 // If "--optname" was removed, but "--newname" has the same semantics. // It will be redirected, and a warning will be printed on first use. -#define OPT_REPLACED_MSG(optname, newname, msg) \ - {.name = optname, .type = &m_option_type_alias, .priv = newname, \ - .deprecation_message = (msg), .offset = -1} +#define OPT_REPLACED_MSG(newname, msg) \ + .type = &m_option_type_alias, .priv = newname, \ + .deprecation_message = (msg), .offset = -1 // Same, with a generic deprecation message. -#define OPT_REPLACED(optname, newname) OPT_REPLACED_MSG(optname, newname, "") +#define OPT_REPLACED(newname) OPT_REPLACED_MSG(newname, "") // Alias, resolved on the CLI/config file/profile parser level only. -#define OPT_CLI_ALIAS(optname, newname) \ - {.name = optname, .type = &m_option_type_cli_alias, .priv = newname, \ - .flags = M_OPT_NOPROP, .offset = -1} +#define OPT_CLI_ALIAS(newname) \ + .type = &m_option_type_cli_alias, .priv = newname, \ + .flags = M_OPT_NOPROP, .offset = -1 // "--optname" doesn't exist, but inform the user about a replacement with msg. -#define OPT_REMOVED(optname, msg) \ - {.name = optname, .type = &m_option_type_removed, .priv = msg, \ - .deprecation_message = "", .flags = M_OPT_NOPROP, .offset = -1} +#define OPT_REMOVED(msg) \ + .type = &m_option_type_removed, .priv = msg, \ + .deprecation_message = "", .flags = M_OPT_NOPROP, .offset = -1 + +#define OPT_PRINT(fn) \ + .flags = M_OPT_NOCFG | M_OPT_PRE_PARSE | M_OPT_NOPROP, \ + .type = &m_option_type_print_fn, \ + .priv = MP_EXPECT_TYPE(m_opt_print_fn, fn), \ + .offset = -1 #endif /* MPLAYER_M_OPTION_H */ |