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mpv/m_option.h
albeu 33b62af947 Add the new -vf option wich is the same as vop in reverse order.
Syntax is we decided, so you can give the nomes or not with both
vop and vf. vf take precedence over vop.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
2003-03-15 18:01:02 +00:00

252 lines
8.9 KiB
C

#ifndef NEW_CONFIG
#warning "Including m_option.h but NEW_CONFIG is disabled"
#else
typedef struct m_option_type m_option_type_t;
typedef struct m_option m_option_t;
struct m_struct;
///////////////////////////// Options types declarations ////////////////////////////
// Simple types
extern m_option_type_t m_option_type_flag;
extern m_option_type_t m_option_type_int;
extern m_option_type_t m_option_type_float;
extern m_option_type_t m_option_type_string;
extern m_option_type_t m_option_type_string_list;
extern m_option_type_t m_option_type_position;
extern m_option_type_t m_option_type_print;
extern m_option_type_t m_option_type_print_indirect;
extern m_option_type_t m_option_type_subconfig;
extern m_option_type_t m_option_type_imgfmt;
// Func based types
extern m_option_type_t m_option_type_func_full;
extern m_option_type_t m_option_type_func_param;
extern m_option_type_t m_option_type_func;
typedef void (*m_opt_default_func_t)(m_option_t *, char*);
typedef int (*m_opt_func_full_t)(m_option_t *, char *, char *);
typedef int (*m_opt_func_param_t)(m_option_t *, char *);
typedef int (*m_opt_func_t)(m_option_t *);
///////////// Backward compat
typedef m_opt_default_func_t cfg_default_func_t;
typedef m_opt_func_full_t cfg_func_arg_param_t;
typedef m_opt_func_param_t cfg_func_param_t;
typedef m_opt_func_t cfg_func_t;
// Track/Chapter range
// accept range in the form 1[hh:mm:ss.zz]-5[hh:mm:ss.zz]
// ommited fields are assumed to be 0
// Not finished !!!!
typedef struct {
int idx; // in the e.g 1 or 5
unsigned int seconds; // hh:mm:ss converted in seconds
unsigned int sectors; // zz
} m_play_pos_t;
typedef struct {
m_play_pos_t start;
m_play_pos_t end;
} m_span_t;
extern m_option_type_t m_option_type_span;
typedef struct {
void** list;
void* name_off;
void* info_off;
void* desc_off;
} m_obj_list_t;
typedef struct {
char* name;
char** attribs;
} m_obj_settings_t;
extern m_option_type_t m_option_type_obj_settings_list;
// Presets are mean to be used with options struct
typedef struct {
struct m_struct* in_desc;
struct m_struct* out_desc;
void* presets; // Pointer to an arry of struct defined by in_desc
void* name_off; // Offset of the preset name inside the in_struct
} m_obj_presets_t;
extern m_option_type_t m_option_type_obj_presets;
// Don't be stupid keep tho old names ;-)
#define CONF_TYPE_FLAG (&m_option_type_flag)
#define CONF_TYPE_INT (&m_option_type_int)
#define CONF_TYPE_FLOAT (&m_option_type_float)
#define CONF_TYPE_STRING (&m_option_type_string)
#define CONF_TYPE_FUNC (&m_option_type_func)
#define CONF_TYPE_FUNC_PARAM (&m_option_type_func_param)
#define CONF_TYPE_PRINT (&m_option_type_print)
#define CONF_TYPE_PRINT_INDIRECT (&m_option_type_print_indirect)
#define CONF_TYPE_FUNC_FULL (&m_option_type_func_full)
#define CONF_TYPE_SUBCONFIG (&m_option_type_subconfig)
#define CONF_TYPE_STRING_LIST (&m_option_type_string_list)
#define CONF_TYPE_POSITION (&m_option_type_position)
#define CONF_TYPE_IMGFMT (&m_option_type_imgfmt)
#define CONF_TYPE_SPAN (&m_option_type_span)
#define CONF_TYPE_OBJ_SETTINGS_LIST (&m_option_type_obj_settings_list)
#define CONF_TYPE_OBJ_PRESETS (&m_option_type_obj_presets)
/////////////////////////////////////////////////////////////////////////////////////////////
struct m_option_type {
char* name;
char* comments; // syntax desc, etc
unsigned int size; // size needed for a save slot
unsigned int flags;
// parse is the only requiered function all others can be NULL
// If dst if non-NULL it should create/update the save slot
// If dst is NULL it should just test the validity of the arg if possible
// Src tell from where come this setting (ie cfg file, command line, playlist, ....
// It should return 1 if param was used, 0 if not.
// On error it must return 1 of the error code below
int (*parse)(m_option_t* opt,char *name, char *param, void* dst, int src);
// Print back a value in human form
char* (*print)(m_option_t* opt, void* val);
// These 3 will be a memcpy in 50% of the case, it's called to save/restore the status of
// the var it's there for complex type like CONF_TYPE_FUNC*
// update a save slot (dst) from the current value in the prog (src)
void (*save)(m_option_t* opt,void* dst, void* src);
// set the current value (dst) from a save slot
void (*set)(m_option_t* opt,void* dst, void* src);
// Copy betewen 2 slot (if NULL and size > 0 a memcpy will be used
void (*copy)(m_option_t* opt,void* dst, void* src);
// Free the data allocated for a save slot if needed
void (*free)(void* dst);
};
/// This is the same thing as a struct config it have been renamed
/// to remove this config_t, m_config_t mess. Sorry about that,
/// config_t is still provided for backward compat.
struct m_option {
char *name;
void *p;
m_option_type_t* type;
unsigned int flags;
float min,max;
// This used to be function pointer to hold a 'reverse to defaults' func.
// Nom it can be used to pass any type of extra args.
// Passing a 'default func' is still valid for all func based option types
void* priv; // Type dependent data (for all kind of extended setting)
};
//////////////////////////////// Option flags /////////////////////////////////
// Option flags
#define M_OPT_MIN (1<<0)
#define M_OPT_MAX (1<<1)
#define M_OPT_RANGE (M_OPT_MIN|M_OPT_MAX)
#define M_OPT_NOCFG (1<<2)
#define M_OPT_NOCMD (1<<3)
// This option is global : it won't be saved on push and the command
// line parser will set it when it's parsed (ie. it won't be set later)
// e.g options : -v, -quiet
#define M_OPT_GLOBAL (1<<4)
// Do not save this option : it won't be saved on push but the command
// line parser will put it with it's entry (ie : it may be set later)
// e.g options : -include
#define M_OPT_NOSAVE (1<<5)
// Emulate old behaviour by pushing the option only if it was set by the user
#define M_OPT_OLD (1<<6)
///////////////////////////// Option type flags ///////////////////////////////////
// These flags are for the parsers. The description here apply to the m_config_t
// based parsers (ie. cmd line and config file parsers)
// Some parser will refuse option types that have some of these flags
// This flag is used for the subconfig
// When this flag is set, opt->p should point to another m_option_t array
// Only the parse function will be called. If dst is set, it should create/update
// an array of char* containg opt/val pairs.
// Then the options in the child array will then be set automaticly.
// You can only affect the way suboption are parsed.
// Also note that suboptions may be directly accessed by using -option:subopt blah :-)
#define M_OPT_TYPE_HAS_CHILD (1<<0)
// If this flag is set the option type support option name with * at the end (used for -aa*)
// This only affect the option name matching, the option type have to implement
// the needed stuff.
#define M_OPT_TYPE_ALLOW_WILDCARD (1<<1)
// This flag indicate that the data is dynamicly allocated (opt->p point to a pointer)
// It enable a little hack wich replace the initial value by a dynamic copy
// in case the initial value is staticly allocated (pretty common with strings)
#define M_OPT_TYPE_DYNAMIC (1<<2)
/// If this is set the parse function doesn't directly return
// the wanted thing. Options use this if for some reasons they have to wait
// until the set call to be able to correctly set the target var.
// So for those types you have to first parse and then set the target var
// If this flag isn't set you can parse directly to the target var
// It's used for the callback based option as the callback call may append
// later on.
#define M_OPT_TYPE_INDIRECT (1<<3)
///////////////////////////// Parser flags ////////////////////////////////////////
// Config mode : some parser type behave differently depending
// on config->mode value wich is passed in the src param of parse()
#define M_CONFIG_FILE 0
#define M_COMMAND_LINE 1
// Option parser error code
#define M_OPT_UNKNOW -1
#define M_OPT_MISSING_PARAM -2
#define M_OPT_INVALID -3
#define M_OPT_OUT_OF_RANGE -4
#define M_OPT_PARSER_ERR -5
m_option_t* m_option_list_find(m_option_t* list,char* name);
inline static int
m_option_parse(m_option_t* opt,char *name, char *param, void* dst, int src) {
return opt->type->parse(opt,name,param,dst,src);
}
inline static char*
m_option_print(m_option_t* opt, void* val_ptr) {
if(opt->type->print)
return opt->type->print(opt,val_ptr);
else
return (char*)-1;
}
inline static void
m_option_save(m_option_t* opt,void* dst, void* src) {
if(opt->type->save)
opt->type->save(opt,dst,src);
}
inline static void
m_option_set(m_option_t* opt,void* dst, void* src) {
if(opt->type->set)
opt->type->set(opt,dst,src);
}
inline static void
m_option_copy(m_option_t* opt,void* dst, void* src) {
if(opt->type->copy)
opt->type->set(opt,dst,src);
else if(opt->type->size > 0)
memcpy(dst,src,opt->type->size);
}
inline static void
m_option_free(m_option_t* opt,void* dst) {
if(opt->type->free)
opt->type->free(dst);
}
#endif