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mpv/m_option.c
diego 12d3e0df99 cleanup: don't check for NULL before free() 
patch by Clément Bœsch, ubitux gmail com

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32598 b3059339-0415-0410-9bf9-f77b7e298cf2
2010-11-08 18:05:12 +02:00

2219 lines
51 KiB
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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/// \file
/// \ingroup Options
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include <inttypes.h>
#include <unistd.h>
#include "m_option.h"
//#include "m_config.h"
#include "mp_msg.h"
#include "stream/url.h"
#include "libavutil/avstring.h"
// Don't free for 'production' atm
#ifndef MP_DEBUG
//#define NO_FREE
#endif
const m_option_t* m_option_list_find(const m_option_t* list,const char* name) {
int i;
for(i = 0 ; list[i].name ; i++) {
int l = strlen(list[i].name) - 1;
if((list[i].type->flags & M_OPT_TYPE_ALLOW_WILDCARD) &&
(l > 0) && (list[i].name[l] == '*')) {
if(strncasecmp(list[i].name,name,l) == 0)
return &list[i];
} else if(strcasecmp(list[i].name,name) == 0)
return &list[i];
}
return NULL;
}
// Default function that just does a memcpy
static void copy_opt(const m_option_t* opt,void* dst,const void* src) {
if(dst && src)
memcpy(dst,src,opt->type->size);
}
// Helper for the print funcs (from man printf)
static char* dup_printf(const char *fmt, ...) {
/* Guess we need no more than 50 bytes. */
int n, size = 50;
char *p;
va_list ap;
if ((p = malloc (size)) == NULL)
return NULL;
while (1) {
/* Try to print in the allocated space. */
va_start(ap, fmt);
n = vsnprintf (p, size, fmt, ap);
va_end(ap);
/* If that worked, return the string. */
if (n > -1 && n < size)
return p;
/* Else try again with more space. */
if (n > -1) /* glibc 2.1 */
size = n+1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
if ((p = realloc (p, size)) == NULL)
return NULL;
}
}
// Flag
#define VAL(x) (*(int*)(x))
static int parse_flag(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
if (src == M_CONFIG_FILE) {
if(!param) return M_OPT_MISSING_PARAM;
if (!strcasecmp(param, "yes") || /* any other language? */
!strcasecmp(param, "on") ||
!strcasecmp(param, "ja") ||
!strcasecmp(param, "si") ||
!strcasecmp(param, "igen") ||
!strcasecmp(param, "y") ||
!strcasecmp(param, "j") ||
!strcasecmp(param, "i") ||
!strcasecmp(param, "tak") ||
!strcasecmp(param, "ja") ||
!strcasecmp(param, "true") ||
!strcmp(param, "1")) {
if(dst) VAL(dst) = opt->max;
} else if (!strcasecmp(param, "no") ||
!strcasecmp(param, "off") ||
!strcasecmp(param, "nein") ||
!strcasecmp(param, "nicht") ||
!strcasecmp(param, "nem") ||
!strcasecmp(param, "n") ||
!strcasecmp(param, "nie") ||
!strcasecmp(param, "nej") ||
!strcasecmp(param, "false") ||
!strcmp(param, "0")) {
if(dst) VAL(dst) = opt->min;
} else {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Invalid parameter for %s flag: %s\n",name, param);
return M_OPT_INVALID;
}
return 1;
} else {
if(dst) VAL(dst) = opt->max;
return 0;
}
}
static char* print_flag(const m_option_t* opt, const void* val) {
if(VAL(val) == opt->min)
return strdup("no");
else
return strdup("yes");
}
const m_option_type_t m_option_type_flag = {
"Flag",
"need yes or no in config files",
sizeof(int),
0,
parse_flag,
print_flag,
copy_opt,
copy_opt,
NULL,
NULL
};
// Integer
static int parse_int(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
long long tmp_int;
char *endptr;
src = 0;
if (param == NULL)
return M_OPT_MISSING_PARAM;
tmp_int = strtoll(param, &endptr, 10);
if (*endptr)
tmp_int = strtoll(param, &endptr, 0);
if (*endptr) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be an integer: %s\n",name, param);
return M_OPT_INVALID;
}
if ((opt->flags & M_OPT_MIN) && (tmp_int < opt->min)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be >= %d: %s\n", name, (int) opt->min, param);
return M_OPT_OUT_OF_RANGE;
}
if ((opt->flags & M_OPT_MAX) && (tmp_int > opt->max)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be <= %d: %s\n",name, (int) opt->max, param);
return M_OPT_OUT_OF_RANGE;
}
if(dst) {
if (opt->type->size == sizeof(int64_t))
*(int64_t *)dst = tmp_int;
else
VAL(dst) = tmp_int;
}
return 1;
}
static char* print_int(const m_option_t* opt, const void* val) {
if (opt->type->size == sizeof(int64_t))
return dup_printf("%"PRId64, *(const int64_t *)val);
return dup_printf("%d",VAL(val));
}
const m_option_type_t m_option_type_int = {
"Integer",
"",
sizeof(int),
0,
parse_int,
print_int,
copy_opt,
copy_opt,
NULL,
NULL
};
const m_option_type_t m_option_type_int64 = {
"Integer64",
"",
sizeof(int64_t),
0,
parse_int,
print_int,
copy_opt,
copy_opt,
NULL,
NULL
};
static int parse_intpair(const struct m_option *opt, const char *name,
const char *param, void *dst, int src)
{
if (param == NULL)
return M_OPT_MISSING_PARAM;
char *s = (char *)param;
int start = -1;
int end = -1;
if (*s) {
start = strtol(s, &s, 10);
if (s == param)
goto bad;
}
if (*s) {
if (*s != '-')
goto bad;
s++;
}
if (*s)
end = strtol(s, &s, 10);
if (*s)
goto bad;
if (dst) {
int *p = dst;
p[0] = start;
p[1] = end;
}
return 1;
bad:
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Invalid integer range "
"specification for option %s: %s\n", name, param);
return M_OPT_INVALID;
}
const struct m_option_type m_option_type_intpair = {
.name = "Int[-Int]",
.size = sizeof(int[2]),
.parse = parse_intpair,
.save = copy_opt,
.set = copy_opt,
};
// Float
#undef VAL
#define VAL(x) (*(double*)(x))
static int parse_double(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
double tmp_float;
char* endptr;
src = 0;
if (param == NULL)
return M_OPT_MISSING_PARAM;
tmp_float = strtod(param, &endptr);
switch(*endptr) {
case ':':
case '/':
tmp_float /= strtod(endptr+1, &endptr);
break;
case '.':
case ',':
/* we also handle floats specified with
* non-locale decimal point ::atmos
*/
if(tmp_float<0)
tmp_float -= 1.0/pow(10,strlen(endptr+1)) * strtod(endptr+1, &endptr);
else
tmp_float += 1.0/pow(10,strlen(endptr+1)) * strtod(endptr+1, &endptr);
break;
}
if (*endptr) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be a floating point "
"number or a ratio (numerator[:/]denominator): %s\n",name, param);
return M_OPT_INVALID;
}
if (opt->flags & M_OPT_MIN)
if (tmp_float < opt->min) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be >= %f: %s\n", name, opt->min, param);
return M_OPT_OUT_OF_RANGE;
}
if (opt->flags & M_OPT_MAX)
if (tmp_float > opt->max) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be <= %f: %s\n", name, opt->max, param);
return M_OPT_OUT_OF_RANGE;
}
if(dst) VAL(dst) = tmp_float;
return 1;
}
static char* print_double(const m_option_t* opt, const void* val) {
opt = NULL;
return dup_printf("%f",VAL(val));
}
const m_option_type_t m_option_type_double = {
"Double",
"double precision floating point number or ratio (numerator[:/]denominator)",
sizeof(double),
0,
parse_double,
print_double,
copy_opt,
copy_opt,
NULL,
NULL
};
#undef VAL
#define VAL(x) (*(float*)(x))
static int parse_float(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
double tmp;
int r= parse_double(opt, name, param, &tmp, src);
if(r==1 && dst) VAL(dst) = tmp;
return r;
}
static char* print_float(const m_option_t* opt, const void* val) {
opt = NULL;
return dup_printf("%f",VAL(val));
}
const m_option_type_t m_option_type_float = {
"Float",
"floating point number or ratio (numerator[:/]denominator)",
sizeof(float),
0,
parse_float,
print_float,
copy_opt,
copy_opt,
NULL,
NULL
};
///////////// Position
#undef VAL
#define VAL(x) (*(off_t*)(x))
static int parse_position(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
off_t tmp_off;
char dummy;
if (param == NULL)
return M_OPT_MISSING_PARAM;
if (sscanf(param, sizeof(off_t) == sizeof(int) ?
"%d%c" : "%"PRId64"%c", &tmp_off, &dummy) != 1) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "The %s option must be an integer: %s\n",opt->name,param);
return M_OPT_INVALID;
}
if (opt->flags & M_OPT_MIN)
if (tmp_off < opt->min) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,
"The %s option must be >= %"PRId64": %s\n",
name, (int64_t) opt->min, param);
return M_OPT_OUT_OF_RANGE;
}
if (opt->flags & M_OPT_MAX)
if (tmp_off > opt->max) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,
"The %s option must be <= %"PRId64": %s\n",
name, (int64_t) opt->max, param);
return M_OPT_OUT_OF_RANGE;
}
if(dst)
VAL(dst) = tmp_off;
return 1;
}
static char* print_position(const m_option_t* opt, const void* val) {
return dup_printf("%"PRId64,(int64_t)VAL(val));
}
const m_option_type_t m_option_type_position = {
"Position",
"Integer (off_t)",
sizeof(off_t),
0,
parse_position,
print_position,
copy_opt,
copy_opt,
NULL,
NULL
};
///////////// String
#undef VAL
#define VAL(x) (*(char**)(x))
static int parse_str(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
if (param == NULL)
return M_OPT_MISSING_PARAM;
if ((opt->flags & M_OPT_MIN) && (strlen(param) < opt->min)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Parameter must be >= %d chars: %s\n",
(int) opt->min, param);
return M_OPT_OUT_OF_RANGE;
}
if ((opt->flags & M_OPT_MAX) && (strlen(param) > opt->max)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Parameter must be <= %d chars: %s\n",
(int) opt->max, param);
return M_OPT_OUT_OF_RANGE;
}
if(dst) {
free(VAL(dst));
VAL(dst) = strdup(param);
}
return 1;
}
static char* print_str(const m_option_t* opt, const void* val) {
return (val && VAL(val) && strlen(VAL(val)) > 0) ? strdup(VAL(val)) : NULL;
}
static void copy_str(const m_option_t* opt,void* dst, const void* src) {
if(dst && src) {
#ifndef NO_FREE
free(VAL(dst)); //FIXME!!!
#endif
VAL(dst) = VAL(src) ? strdup(VAL(src)) : NULL;
}
}
static void free_str(void* src) {
if(src && VAL(src)){
#ifndef NO_FREE
free(VAL(src)); //FIXME!!!
#endif
VAL(src) = NULL;
}
}
const m_option_type_t m_option_type_string = {
"String",
"",
sizeof(char*),
M_OPT_TYPE_DYNAMIC,
parse_str,
print_str,
copy_str,
copy_str,
copy_str,
free_str
};
//////////// String list
#define LIST_SEPARATOR ','
#undef VAL
#define VAL(x) (*(char***)(x))
#define OP_NONE 0
#define OP_ADD 1
#define OP_PRE 2
#define OP_DEL 3
#define OP_CLR 4
static void free_str_list(void* dst) {
char** d;
int i;
if(!dst || !VAL(dst)) return;
d = VAL(dst);
// FIXME!!!
#ifndef NO_FREE
for(i = 0 ; d[i] != NULL ; i++)
free(d[i]);
free(d);
#endif
VAL(dst) = NULL;
}
static int str_list_add(char** add, int n,void* dst,int pre) {
char** lst = VAL(dst);
int ln;
if(!dst) return M_OPT_PARSER_ERR;
lst = VAL(dst);
for(ln = 0 ; lst && lst[ln] ; ln++)
/**/;
lst = realloc(lst,(n+ln+1)*sizeof(char*));
if(pre) {
memmove(&lst[n],lst,ln*sizeof(char*));
memcpy(lst,add,n*sizeof(char*));
} else
memcpy(&lst[ln],add,n*sizeof(char*));
// (re-)add NULL-termination
lst[ln+n] = NULL;
free(add);
VAL(dst) = lst;
return 1;
}
static int str_list_del(char** del, int n,void* dst) {
char **lst,*ep,**d;
int i,ln,s;
long idx;
if(!dst) return M_OPT_PARSER_ERR;
lst = VAL(dst);
for(ln = 0 ; lst && lst[ln] ; ln++)
/**/;
s = ln;
for(i = 0 ; del[i] != NULL ; i++) {
idx = strtol(del[i], &ep, 0);
if(*ep) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Invalid index: %s\n",del[i]);
free(del[i]);
continue;
}
free(del[i]);
if(idx < 0 || idx >= ln) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Index %ld is out of range.\n",idx);
continue;
} else if(!lst[idx])
continue;
free(lst[idx]);
lst[idx] = NULL;
s--;
}
free(del);
if(s == 0) {
free(lst);
VAL(dst) = NULL;
return 1;
}
d = calloc(s+1,sizeof(char*));
for(i = 0, n = 0 ; i < ln ; i++) {
if(!lst[i]) continue;
d[n] = lst[i];
n++;
}
d[s] = NULL;
free(lst);
VAL(dst) = d;
return 1;
}
static char *get_nextsep(char *ptr, char sep, int modify) {
char *last_ptr = ptr;
for(;;){
ptr = strchr(ptr, sep);
if(ptr && ptr>last_ptr && ptr[-1]=='\\'){
if (modify) memmove(ptr-1, ptr, strlen(ptr)+1);
else ptr++;
}else
break;
}
return ptr;
}
static int parse_str_list(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
int n = 0,len = strlen(opt->name);
char *str;
char *ptr = (char *)param, *last_ptr, **res;
int op = OP_NONE;
if(opt->name[len-1] == '*' && ((int)strlen(name) > len - 1)) {
const char* n = &name[len-1];
if(strcasecmp(n,"-add") == 0)
op = OP_ADD;
else if(strcasecmp(n,"-pre") == 0)
op = OP_PRE;
else if(strcasecmp(n,"-del") == 0)
op = OP_DEL;
else if(strcasecmp(n,"-clr") == 0)
op = OP_CLR;
else
return M_OPT_UNKNOWN;
}
// Clear the list ??
if(op == OP_CLR) {
if(dst)
free_str_list(dst);
return 0;
}
// All other ops need a param
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
while(ptr[0] != '\0') {
ptr = get_nextsep(ptr, LIST_SEPARATOR, 0);
if(!ptr) {
n++;
break;
}
ptr++;
n++;
}
if(n == 0)
return M_OPT_INVALID;
if( ((opt->flags & M_OPT_MIN) && (n < opt->min)) ||
((opt->flags & M_OPT_MAX) && (n > opt->max)) )
return M_OPT_OUT_OF_RANGE;
if(!dst) return 1;
res = malloc((n+2)*sizeof(char*));
ptr = str = strdup(param);
n = 0;
while(1) {
last_ptr = ptr;
ptr = get_nextsep(ptr, LIST_SEPARATOR, 1);
if(!ptr) {
res[n] = strdup(last_ptr);
n++;
break;
}
len = ptr - last_ptr;
res[n] = malloc(len + 1);
if(len) strncpy(res[n],last_ptr,len);
res[n][len] = '\0';
ptr++;
n++;
}
res[n] = NULL;
free(str);
switch(op) {
case OP_ADD:
return str_list_add(res,n,dst,0);
case OP_PRE:
return str_list_add(res,n,dst,1);
case OP_DEL:
return str_list_del(res,n,dst);
}
if(VAL(dst))
free_str_list(dst);
VAL(dst) = res;
return 1;
}
static void copy_str_list(const m_option_t* opt,void* dst, const void* src) {
int n;
char **d,**s;
if(!(dst && src)) return;
s = VAL(src);
if(VAL(dst))
free_str_list(dst);
if(!s) {
VAL(dst) = NULL;
return;
}
for(n = 0 ; s[n] != NULL ; n++)
/* NOTHING */;
d = malloc((n+1)*sizeof(char*));
for( ; n >= 0 ; n--)
d[n] = s[n] ? strdup(s[n]) : NULL;
VAL(dst) = d;
}
static char* print_str_list(const m_option_t* opt, const void* src) {
char **lst = NULL;
char *ret = NULL,*last = NULL;
int i;
if(!(src && VAL(src))) return NULL;
lst = VAL(src);
for(i = 0 ; lst[i] ; i++) {
if(last) {
ret = dup_printf("%s,%s",last,lst[i]);
free(last);
} else
ret = strdup(lst[i]);
last = ret;
}
if(last && last != ret) free(last);
return ret;
}
const m_option_type_t m_option_type_string_list = {
"String list",
"A list of strings separated by ','\n"
"Option with a name ending in an * permits using the following suffix: \n"
"\t-add: Add the given parameters at the end of the list.\n"
"\t-pre: Add the given parameters at the beginning of the list.\n"
"\t-del: Remove the entry at the given indices.\n"
"\t-clr: Clear the list.\n"
"e.g: -vf-add flip,mirror -vf-del 2,5\n",
sizeof(char**),
M_OPT_TYPE_DYNAMIC | M_OPT_TYPE_ALLOW_WILDCARD,
parse_str_list,
print_str_list,
copy_str_list,
copy_str_list,
copy_str_list,
free_str_list
};
/////////////////// Func based options
// A chained list to save the various calls for func_param and func_full
typedef struct m_func_save m_func_save_t;
struct m_func_save {
m_func_save_t* next;
char* name;
char* param;
};
#undef VAL
#define VAL(x) (*(m_func_save_t**)(x))
static void free_func_pf(void* src) {
m_func_save_t *s,*n;
if(!src) return;
s = VAL(src);
while(s) {
n = s->next;
free(s->name);
free(s->param);
free(s);
s = n;
}
VAL(src) = NULL;
}
// Parser for func_param and func_full
static int parse_func_pf(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
m_func_save_t *s,*p;
if(!dst)
return 1;
s = calloc(1,sizeof(m_func_save_t));
s->name = strdup(name);
s->param = param ? strdup(param) : NULL;
p = VAL(dst);
if(p) {
for( ; p->next != NULL ; p = p->next)
/**/;
p->next = s;
} else
VAL(dst) = s;
return 1;
}
static void copy_func_pf(const m_option_t* opt,void* dst, const void* src) {
m_func_save_t *d = NULL, *s,* last = NULL;
if(!(dst && src)) return;
s = VAL(src);
if(VAL(dst))
free_func_pf(dst);
while(s) {
d = calloc(1,sizeof(m_func_save_t));
d->name = strdup(s->name);
d->param = s->param ? strdup(s->param) : NULL;
if(last)
last->next = d;
else
VAL(dst) = d;
last = d;
s = s->next;
}
}
/////////////////// Func_param
static void set_func_param(const m_option_t* opt, void* dst, const void* src) {
m_func_save_t* s;
if(!src) return;
s = VAL(src);
if(!s) return;
for( ; s != NULL ; s = s->next)
((m_opt_func_param_t) opt->p)(opt,s->param);
}
const m_option_type_t m_option_type_func_param = {
"Func param",
"",
sizeof(m_func_save_t*),
M_OPT_TYPE_INDIRECT,
parse_func_pf,
NULL,
NULL, // Nothing to do on save
set_func_param,
copy_func_pf,
free_func_pf
};
/////////////////// Func_full
static void set_func_full(const m_option_t* opt, void* dst, const void* src) {
m_func_save_t* s;
if(!src) return;
for(s = VAL(src) ; s ; s = s->next) {
// Revert if needed
if(opt->priv) ((m_opt_default_func_t)opt->priv)(opt,s->name);
((m_opt_func_full_t) opt->p)(opt,s->name,s->param);
}
}
const m_option_type_t m_option_type_func_full = {
"Func full",
"",
sizeof(m_func_save_t*),
M_OPT_TYPE_ALLOW_WILDCARD|M_OPT_TYPE_INDIRECT,
parse_func_pf,
NULL,
NULL, // Nothing to do on save
set_func_full,
copy_func_pf,
free_func_pf
};
/////////////// Func
#undef VAL
static int parse_func(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
return 0;
}
static void set_func(const m_option_t* opt,void* dst, const void* src) {
((m_opt_func_t) opt->p)(opt);
}
const m_option_type_t m_option_type_func = {
"Func",
"",
sizeof(int),
M_OPT_TYPE_INDIRECT,
parse_func,
NULL,
NULL, // Nothing to do on save
set_func,
NULL,
NULL
};
/////////////////// Print
static int parse_print(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
if(opt->type == CONF_TYPE_PRINT_INDIRECT)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "%s", *(char **) opt->p);
else if(opt->type == CONF_TYPE_PRINT_FUNC)
return ((m_opt_func_full_t) opt->p)(opt,name,param);
else
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "%s", mp_gtext(opt->p));
if(opt->priv == NULL)
return M_OPT_EXIT;
return 1;
}
const m_option_type_t m_option_type_print = {
"Print",
"",
0,
0,
parse_print,
NULL,
NULL,
NULL,
NULL,
NULL
};
const m_option_type_t m_option_type_print_indirect = {
"Print",
"",
0,
0,
parse_print,
NULL,
NULL,
NULL,
NULL,
NULL
};
const m_option_type_t m_option_type_print_func = {
"Print",
"",
0,
M_OPT_TYPE_ALLOW_WILDCARD,
parse_print,
NULL,
NULL,
NULL,
NULL,
NULL
};
/////////////////////// Subconfig
#undef VAL
#define VAL(x) (*(char***)(x))
static int parse_subconf(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
char *subparam;
char *subopt;
int nr = 0,i,r;
const m_option_t *subopts;
const char *p;
char** lst = NULL;
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
subparam = malloc(strlen(param)+1);
subopt = malloc(strlen(param)+1);
p = param;
subopts = opt->p;
while(p[0])
{
int sscanf_ret = 1;
int optlen = strcspn(p, ":=");
/* clear out */
subopt[0] = subparam[0] = 0;
av_strlcpy(subopt, p, optlen + 1);
p = &p[optlen];
if (p[0] == '=') {
sscanf_ret = 2;
p = &p[1];
if (p[0] == '"') {
p = &p[1];
optlen = strcspn(p, "\"");
av_strlcpy(subparam, p, optlen + 1);
p = &p[optlen];
if (p[0] != '"') {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Terminating '\"' missing for '%s'\n", subopt);
return M_OPT_INVALID;
}
p = &p[1];
} else if (p[0] == '%') {
p = &p[1];
optlen = (int)strtol(p, (char**)&p, 0);
if (!p || p[0] != '%' || (optlen > strlen(p) - 1)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Invalid length %i for '%s'\n", optlen, subopt);
return M_OPT_INVALID;
}
p = &p[1];
av_strlcpy(subparam, p, optlen + 1);
p = &p[optlen];
} else {
optlen = strcspn(p, ":");
av_strlcpy(subparam, p, optlen + 1);
p = &p[optlen];
}
}
if (p[0] == ':')
p = &p[1];
else if (p[0]) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Incorrect termination for '%s'\n", subopt);
return M_OPT_INVALID;
}
switch(sscanf_ret)
{
case 1:
subparam[0] = 0;
case 2:
for(i = 0 ; subopts[i].name ; i++) {
if(!strcmp(subopts[i].name,subopt)) break;
}
if(!subopts[i].name) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Unknown suboption %s\n",name,subopt);
return M_OPT_UNKNOWN;
}
r = m_option_parse(&subopts[i],subopt,
subparam[0] == 0 ? NULL : subparam,NULL,src);
if(r < 0) return r;
if(dst) {
lst = realloc(lst,2 * (nr+2) * sizeof(char*));
lst[2*nr] = strdup(subopt);
lst[2*nr+1] = subparam[0] == 0 ? NULL : strdup(subparam);
memset(&lst[2*(nr+1)],0,2*sizeof(char*));
nr++;
}
break;
}
}
free(subparam);
free(subopt);
if(dst)
VAL(dst) = lst;
return 1;
}
const m_option_type_t m_option_type_subconfig = {
"Subconfig",
"The syntax is -option opt1=foo:flag:opt2=blah",
sizeof(int),
M_OPT_TYPE_HAS_CHILD,
parse_subconf,
NULL,
NULL,
NULL,
NULL,
NULL
};
#include "libmpcodecs/img_format.h"
/* FIXME: snyc with img_format.h */
static struct {
const char* name;
unsigned int fmt;
} mp_imgfmt_list[] = {
{"444p16le", IMGFMT_444P16_LE},
{"444p16be", IMGFMT_444P16_BE},
{"422p16le", IMGFMT_422P16_LE},
{"422p16be", IMGFMT_422P16_BE},
{"420p16le", IMGFMT_420P16_LE},
{"420p16be", IMGFMT_420P16_BE},
{"444p16", IMGFMT_444P16},
{"422p16", IMGFMT_422P16},
{"420p16", IMGFMT_420P16},
{"420a", IMGFMT_420A},
{"444p", IMGFMT_444P},
{"422p", IMGFMT_422P},
{"411p", IMGFMT_411P},
{"440p", IMGFMT_440P},
{"yuy2", IMGFMT_YUY2},
{"uyvy", IMGFMT_UYVY},
{"yvu9", IMGFMT_YVU9},
{"if09", IMGFMT_IF09},
{"yv12", IMGFMT_YV12},
{"i420", IMGFMT_I420},
{"iyuv", IMGFMT_IYUV},
{"clpl", IMGFMT_CLPL},
{"hm12", IMGFMT_HM12},
{"y800", IMGFMT_Y800},
{"y8", IMGFMT_Y8},
{"nv12", IMGFMT_NV12},
{"nv21", IMGFMT_NV21},
{"bgr24", IMGFMT_BGR24},
{"bgr32", IMGFMT_BGR32},
{"bgr16", IMGFMT_BGR16},
{"bgr15", IMGFMT_BGR15},
{"bgr12", IMGFMT_BGR12},
{"bgr8", IMGFMT_BGR8},
{"bgr4", IMGFMT_BGR4},
{"bg4b", IMGFMT_BG4B},
{"bgr1", IMGFMT_BGR1},
{"rgb48be", IMGFMT_RGB48BE},
{"rgb48le", IMGFMT_RGB48LE},
{"rgb48ne", IMGFMT_RGB48NE},
{"rgb24", IMGFMT_RGB24},
{"rgb32", IMGFMT_RGB32},
{"rgb16", IMGFMT_RGB16},
{"rgb15", IMGFMT_RGB15},
{"rgb12", IMGFMT_RGB12},
{"rgb8", IMGFMT_RGB8},
{"rgb4", IMGFMT_RGB4},
{"rg4b", IMGFMT_RG4B},
{"rgb1", IMGFMT_RGB1},
{"rgba", IMGFMT_RGBA},
{"argb", IMGFMT_ARGB},
{"bgra", IMGFMT_BGRA},
{"abgr", IMGFMT_ABGR},
{"mjpeg", IMGFMT_MJPEG},
{"mjpg", IMGFMT_MJPEG},
{ NULL, 0 }
};
static int parse_imgfmt(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
uint32_t fmt = 0;
int i;
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
if(!strcmp(param,"help")) {
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "Available formats:");
for(i = 0 ; mp_imgfmt_list[i].name ; i++)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, " %s",mp_imgfmt_list[i].name);
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
return M_OPT_EXIT - 1;
}
if (sscanf(param, "0x%x", &fmt) != 1)
{
for(i = 0 ; mp_imgfmt_list[i].name ; i++) {
if(!strcasecmp(param,mp_imgfmt_list[i].name)) {
fmt=mp_imgfmt_list[i].fmt;
break;
}
}
if(!mp_imgfmt_list[i].name) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: unknown format name: '%s'\n",name,param);
return M_OPT_INVALID;
}
}
if(dst)
*((uint32_t*)dst) = fmt;
return 1;
}
const m_option_type_t m_option_type_imgfmt = {
"Image format",
"Please report any missing colorspaces.",
sizeof(uint32_t),
0,
parse_imgfmt,
NULL,
copy_opt,
copy_opt,
NULL,
NULL
};
#include "libaf/af_format.h"
/* FIXME: snyc with af_format.h */
static struct {
const char* name;
unsigned int fmt;
} mp_afmt_list[] = {
// SPECIAL
{"mulaw", AF_FORMAT_MU_LAW},
{"alaw", AF_FORMAT_A_LAW},
{"mpeg2", AF_FORMAT_MPEG2},
{"ac3le", AF_FORMAT_AC3_LE},
{"ac3be", AF_FORMAT_AC3_BE},
{"ac3ne", AF_FORMAT_AC3_NE},
{"imaadpcm", AF_FORMAT_IMA_ADPCM},
// ORIDNARY
{"u8", AF_FORMAT_U8},
{"s8", AF_FORMAT_S8},
{"u16le", AF_FORMAT_U16_LE},
{"u16be", AF_FORMAT_U16_BE},
{"u16ne", AF_FORMAT_U16_NE},
{"s16le", AF_FORMAT_S16_LE},
{"s16be", AF_FORMAT_S16_BE},
{"s16ne", AF_FORMAT_S16_NE},
{"u24le", AF_FORMAT_U24_LE},
{"u24be", AF_FORMAT_U24_BE},
{"u24ne", AF_FORMAT_U24_NE},
{"s24le", AF_FORMAT_S24_LE},
{"s24be", AF_FORMAT_S24_BE},
{"s24ne", AF_FORMAT_S24_NE},
{"u32le", AF_FORMAT_U32_LE},
{"u32be", AF_FORMAT_U32_BE},
{"u32ne", AF_FORMAT_U32_NE},
{"s32le", AF_FORMAT_S32_LE},
{"s32be", AF_FORMAT_S32_BE},
{"s32ne", AF_FORMAT_S32_NE},
{"floatle", AF_FORMAT_FLOAT_LE},
{"floatbe", AF_FORMAT_FLOAT_BE},
{"floatne", AF_FORMAT_FLOAT_NE},
{ NULL, 0 }
};
static int parse_afmt(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
uint32_t fmt = 0;
int i;
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
if(!strcmp(param,"help")) {
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "Available formats:");
for(i = 0 ; mp_afmt_list[i].name ; i++)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, " %s",mp_afmt_list[i].name);
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
return M_OPT_EXIT - 1;
}
if (sscanf(param, "0x%x", &fmt) != 1)
{
for(i = 0 ; mp_afmt_list[i].name ; i++) {
if(!strcasecmp(param,mp_afmt_list[i].name)) {
fmt=mp_afmt_list[i].fmt;
break;
}
}
if(!mp_afmt_list[i].name) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: unknown format name: '%s'\n",name,param);
return M_OPT_INVALID;
}
}
if(dst)
*((uint32_t*)dst) = fmt;
return 1;
}
const m_option_type_t m_option_type_afmt = {
"Audio format",
"Please report any missing formats.",
sizeof(uint32_t),
0,
parse_afmt,
NULL,
copy_opt,
copy_opt,
NULL,
NULL
};
int parse_timestring(const char *str, double *time, char endchar)
{
int a, b, len;
double d;
*time = 0; /* ensure initialization for error cases */
if (sscanf(str, "%d:%d:%lf%n", &a, &b, &d, &len) >= 3)
*time = 3600*a + 60*b + d;
else if (sscanf(str, "%d:%lf%n", &a, &d, &len) >= 2)
*time = 60*a + d;
else if (sscanf(str, "%lf%n", &d, &len) >= 1)
*time = d;
else
return 0; /* unsupported time format */
if (str[len] && str[len] != endchar)
return 0; /* invalid extra characters at the end */
return len;
}
static int parse_time(const m_option_t* opt,const char *name, const char *param, void* dst, int src)
{
double time;
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
if (!parse_timestring(param, &time, 0)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: invalid time: '%s'\n",
name,param);
return M_OPT_INVALID;
}
if (dst)
*(double *)dst = time;
return 1;
}
const m_option_type_t m_option_type_time = {
"Time",
"",
sizeof(double),
0,
parse_time,
print_double,
copy_opt,
copy_opt,
NULL,
NULL
};
// Time or size (-endpos)
static int parse_time_size(const m_option_t* opt,const char *name, const char *param, void* dst, int src) {
m_time_size_t ts;
char unit[4];
double end_at;
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
ts.pos=0;
/* End at size parsing */
if(sscanf(param, "%lf%3s", &end_at, unit) == 2) {
ts.type = END_AT_SIZE;
if(!strcasecmp(unit, "b"))
;
else if(!strcasecmp(unit, "kb"))
end_at *= 1024;
else if(!strcasecmp(unit, "mb"))
end_at *= 1024*1024;
else if(!strcasecmp(unit, "gb"))
end_at *= 1024*1024*1024;
else
ts.type = END_AT_NONE;
if (ts.type == END_AT_SIZE) {
ts.pos = end_at;
goto out;
}
}
/* End at time parsing. This has to be last because the parsing accepts
* even a number followed by garbage */
if (!parse_timestring(param, &end_at, 0)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: invalid time or size: '%s'\n",
name,param);
return M_OPT_INVALID;
}
ts.type = END_AT_TIME;
ts.pos = end_at;
out:
if(dst)
*(m_time_size_t *)dst = ts;
return 1;
}
const m_option_type_t m_option_type_time_size = {
"Time or size",
"",
sizeof(m_time_size_t),
0,
parse_time_size,
NULL,
copy_opt,
copy_opt,
NULL,
NULL
};
//// Objects (i.e. filters, etc) settings
#include "m_struct.h"
#undef VAL
#define VAL(x) (*(m_obj_settings_t**)(x))
static int find_obj_desc(const char* name,const m_obj_list_t* l,const m_struct_t** ret) {
int i;
char* n;
for(i = 0 ; l->list[i] ; i++) {
n = M_ST_MB(char*,l->list[i],l->name_off);
if(!strcmp(n,name)) {
*ret = M_ST_MB(m_struct_t*,l->list[i],l->desc_off);
return 1;
}
}
return 0;
}
static int get_obj_param(const char* opt_name,const char* obj_name, const m_struct_t* desc,
char* str,int* nold,int oldmax,char** dst) {
char* eq;
const m_option_t* opt;
int r;
eq = strchr(str,'=');
if(eq && eq == str)
eq = NULL;
if(eq) {
char* p = eq + 1;
if(p[0] == '\0') p = NULL;
eq[0] = '\0';
opt = m_option_list_find(desc->fields,str);
if(!opt) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: %s doesn't have a %s parameter.\n",opt_name,obj_name,str);
return M_OPT_UNKNOWN;
}
r = m_option_parse(opt,str,p,NULL,M_CONFIG_FILE);
if(r < 0) {
if(r > M_OPT_EXIT)
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while parsing %s parameter %s (%s)\n",opt_name,obj_name,str,p);
eq[0] = '=';
return r;
}
if(dst) {
dst[0] = strdup(str);
dst[1] = p ? strdup(p) : NULL;
}
eq[0] = '=';
} else {
if((*nold) >= oldmax) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: %s has only %d params, so you can't give more than %d unnamed params.\n",
opt_name,obj_name,oldmax,oldmax);
return M_OPT_OUT_OF_RANGE;
}
opt = &desc->fields[(*nold)];
r = m_option_parse(opt,opt->name,str,NULL,M_CONFIG_FILE);
if(r < 0) {
if(r > M_OPT_EXIT)
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while parsing %s parameter %s (%s)\n",opt_name,obj_name,opt->name,str);
return r;
}
if(dst) {
dst[0] = strdup(opt->name);
dst[1] = strdup(str);
}
(*nold)++;
}
return 1;
}
static int get_obj_params(const char* opt_name, const char* name,char* params,
const m_struct_t* desc,char separator, char*** _ret) {
int n = 0,nold = 0, nopts,r;
char* ptr,*last_ptr = params;
char** ret;
if(!strcmp(params,"help")) { // Help
char min[50],max[50];
if(!desc->fields) {
printf("%s doesn't have any options.\n\n",name);
return M_OPT_EXIT - 1;
}
printf("\n Name Type Min Max\n\n");
for(n = 0 ; desc->fields[n].name ; n++) {
const m_option_t* opt = &desc->fields[n];
if(opt->type->flags & M_OPT_TYPE_HAS_CHILD) continue;
if(opt->flags & M_OPT_MIN)
sprintf(min,"%-8.0f",opt->min);
else
strcpy(min,"No");
if(opt->flags & M_OPT_MAX)
sprintf(max,"%-8.0f",opt->max);
else
strcpy(max,"No");
printf(" %-20.20s %-15.15s %-10.10s %-10.10s\n",
opt->name,
opt->type->name,
min,
max);
}
printf("\n");
return M_OPT_EXIT - 1;
}
for(nopts = 0 ; desc->fields[nopts].name ; nopts++)
/* NOP */;
// TODO : Check that each opt can be parsed
r = 1;
while(last_ptr && last_ptr[0] != '\0') {
ptr = strchr(last_ptr,separator);
if(!ptr) {
r = get_obj_param(opt_name,name,desc,last_ptr,&nold,nopts,NULL);
n++;
break;
}
if(ptr == last_ptr) { // Empty field, count it and go on
nold++;
last_ptr = ptr+1;
continue;
}
ptr[0] = '\0';
r = get_obj_param(opt_name,name,desc,last_ptr,&nold,nopts,NULL);
ptr[0] = separator;
if(r < 0) break;
n++;
last_ptr = ptr+1;
}
if(r < 0) return r;
if (!last_ptr[0]) // count an empty field at the end, too
nold++;
if (nold > nopts) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Too many options for %s\n", name);
return M_OPT_OUT_OF_RANGE;
}
if(!_ret) // Just test
return 1;
if (n == 0) // No options or only empty options
return 1;
ret = malloc((n+2)*2*sizeof(char*));
n = nold = 0;
last_ptr = params;
while(last_ptr && last_ptr[0] != '\0') {
ptr = strchr(last_ptr,separator);
if(!ptr) {
get_obj_param(opt_name,name,desc,last_ptr,&nold,nopts,&ret[n*2]);
n++;
break;
}
if(ptr == last_ptr) { // Empty field, count it and go on
last_ptr = ptr+1;
nold++;
continue;
}
ptr[0] = '\0';
get_obj_param(opt_name,name,desc,last_ptr,&nold,nopts,&ret[n*2]);
n++;
last_ptr = ptr+1;
}
ret[n*2] = ret[n*2+1] = NULL;
*_ret = ret;
return 1;
}
static int parse_obj_params(const m_option_t* opt,const char *name,
const char *param, void* dst, int src) {
char** opts;
int r;
m_obj_params_t* p = opt->priv;
const m_struct_t* desc;
char* cpy;
// We need the object desc
if(!p)
return M_OPT_INVALID;
desc = p->desc;
cpy = strdup(param);
r = get_obj_params(name,desc->name,cpy,desc,p->separator,dst ? &opts : NULL);
free(cpy);
if(r < 0)
return r;
if(!dst)
return 1;
if (!opts) // no arguments given
return 1;
for(r = 0 ; opts[r] ; r += 2)
m_struct_set(desc,dst,opts[r],opts[r+1]);
return 1;
}
const m_option_type_t m_option_type_obj_params = {
"Object params",
"",
0,
0,
parse_obj_params,
NULL,
NULL,
NULL,
NULL,
NULL
};
/// Some predefined types as a definition would be quite lengthy
/// Span arguments
static const m_span_t m_span_params_dflts = { -1, -1 };
static const m_option_t m_span_params_fields[] = {
{"start", M_ST_OFF(m_span_t,start), CONF_TYPE_INT, M_OPT_MIN, 1 ,0, NULL},
{"end", M_ST_OFF(m_span_t,end), CONF_TYPE_INT, M_OPT_MIN , 1 ,0, NULL},
{ NULL, NULL, 0, 0, 0, 0, NULL }
};
static const struct m_struct_st m_span_opts = {
"m_span",
sizeof(m_span_t),
&m_span_params_dflts,
m_span_params_fields
};
const m_obj_params_t m_span_params_def = {
&m_span_opts,
'-'
};
static int parse_obj_settings(const char* opt,char* str,const m_obj_list_t* list,
m_obj_settings_t **_ret, int ret_n) {
int r;
char *param,**plist = NULL;
const m_struct_t* desc;
m_obj_settings_t *ret = _ret ? *_ret : NULL;
// Now check that the object exists
param = strchr(str,'=');
if(param) {
param[0] = '\0';
param++;
if(strlen(param) <= 0)
param = NULL;
}
if(!find_obj_desc(str,list,&desc)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: %s doesn't exist.\n",opt,str);
return M_OPT_INVALID;
}
if(param) {
if(!desc && _ret) {
if(!strcmp(param,"help")) {
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "Option %s: %s have no option description.\n",opt,str);
return M_OPT_EXIT - 1;
}
plist = calloc(4,sizeof(char*));
plist[0] = strdup("_oldargs_");
plist[1] = strdup(param);
} else if(desc) {
r = get_obj_params(opt,str,param,desc,':',_ret ? &plist : NULL);
if(r < 0)
return r;
}
}
if(!_ret)
return 1;
ret = realloc(ret,(ret_n+2)*sizeof(m_obj_settings_t));
memset(&ret[ret_n],0,2*sizeof(m_obj_settings_t));
ret[ret_n].name = strdup(str);
ret[ret_n].attribs = plist;
*_ret = ret;
return 1;
}
static int obj_settings_list_del(const char *opt_name,const char *param,void* dst, int src) {
char** str_list = NULL;
int r,i,idx_max = 0;
char* rem_id = "_removed_marker_";
const m_option_t list_opt = {opt_name , NULL, CONF_TYPE_STRING_LIST,
0, 0, 0, NULL };
m_obj_settings_t* obj_list = dst ? VAL(dst) : NULL;
if(dst && !obj_list) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: the list is empty.\n",opt_name);
return 1;
} else if(obj_list) {
for(idx_max = 0 ; obj_list[idx_max].name != NULL ; idx_max++)
/* NOP */;
}
r = m_option_parse(&list_opt,opt_name,param,&str_list,src);
if(r < 0 || !str_list)
return r;
for(r = 0 ; str_list[r] ; r++) {
int id;
char* endptr;
id = strtol(str_list[r],&endptr,0);
if(endptr == str_list[r]) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: invalid parameter. We need a list of integers which are the indices of the elements to remove.\n",opt_name);
m_option_free(&list_opt,&str_list);
return M_OPT_INVALID;
}
if(!obj_list) continue;
if(id >= idx_max || id < -idx_max) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: Index %d is out of range.\n",opt_name,id);
continue;
}
if(id < 0)
id = idx_max + id;
free(obj_list[id].name);
free_str_list(&(obj_list[id].attribs));
obj_list[id].name = rem_id;
}
if(!dst) {
m_option_free(&list_opt,&str_list);
return 1;
}
for(i = 0 ; obj_list[i].name ; i++) {
while(obj_list[i].name == rem_id) {
memmove(&obj_list[i],&obj_list[i+1],sizeof(m_obj_settings_t)*(idx_max - i));
idx_max--;
}
}
obj_list = realloc(obj_list,sizeof(m_obj_settings_t)*(idx_max+1));
VAL(dst) = obj_list;
return 1;
}
static void free_obj_settings_list(void* dst) {
int n;
m_obj_settings_t *d;
if (!dst || !VAL(dst)) return;
d = VAL(dst);
#ifndef NO_FREE
for (n = 0 ; d[n].name ; n++) {
free(d[n].name);
free_str_list(&(d[n].attribs));
}
free(d);
#endif
VAL(dst) = NULL;
}
static int parse_obj_settings_list(const m_option_t* opt,const char *name,
const char *param, void* dst, int src) {
int n = 0,r,len = strlen(opt->name);
char *str;
char *ptr, *last_ptr;
m_obj_settings_t *res = NULL,*queue = NULL,*head = NULL;
int op = OP_NONE;
// We need the objects list
if(!opt->priv)
return M_OPT_INVALID;
if(opt->name[len-1] == '*' && ((int)strlen(name) > len - 1)) {
const char* n = &name[len-1];
if(strcasecmp(n,"-add") == 0)
op = OP_ADD;
else if(strcasecmp(n,"-pre") == 0)
op = OP_PRE;
else if(strcasecmp(n,"-del") == 0)
op = OP_DEL;
else if(strcasecmp(n,"-clr") == 0)
op = OP_CLR;
else {
char prefix[len];
strncpy(prefix,opt->name,len-1);
prefix[len-1] = '\0';
mp_msg(MSGT_VFILTER,MSGL_ERR, "Option %s: unknown postfix %s\n"
"Supported postfixes are:\n"
" %s-add\n"
" Append the given list to the current list\n\n"
" %s-pre\n"
" Prepend the given list to the current list\n\n"
" %s-del x,y,...\n"
" Remove the given elements. Take the list element index (starting from 0).\n"
" Negative index can be used (i.e. -1 is the last element)\n\n"
" %s-clr\n"
" Clear the current list.\n",name,n,prefix,prefix,prefix,prefix);
return M_OPT_UNKNOWN;
}
}
// Clear the list ??
if(op == OP_CLR) {
if(dst)
free_obj_settings_list(dst);
return 0;
}
if (param == NULL || strlen(param) == 0)
return M_OPT_MISSING_PARAM;
switch(op) {
case OP_ADD:
if(dst) head = VAL(dst);
break;
case OP_PRE:
if(dst) queue = VAL(dst);
break;
case OP_DEL:
return obj_settings_list_del(name,param,dst,src);
case OP_NONE:
if(dst && VAL(dst))
free_obj_settings_list(dst);
break;
default:
mp_msg(MSGT_VFILTER,MSGL_ERR, "Option %s: FIXME\n",name);
return M_OPT_UNKNOWN;
}
if(!strcmp(param,"help")) {
m_obj_list_t* ol = opt->priv;
mp_msg(MSGT_VFILTER,MSGL_INFO,"Available video filters:\n");
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_FILTERS\n");
for(n = 0 ; ol->list[n] ; n++)
mp_msg(MSGT_VFILTER,MSGL_INFO," %-15s: %s\n",
M_ST_MB(char*,ol->list[n],ol->name_off),
M_ST_MB(char*,ol->list[n],ol->info_off));
mp_msg(MSGT_VFILTER,MSGL_INFO,"\n");
return M_OPT_EXIT - 1;
}
ptr = str = strdup(param);
while(ptr[0] != '\0') {
last_ptr = ptr;
ptr = get_nextsep(ptr, LIST_SEPARATOR, 1);
if(!ptr) {
r = parse_obj_settings(name,last_ptr,opt->priv,dst ? &res : NULL,n);
if(r < 0) {
free(str);
return r;
}
n++;
break;
}
ptr[0] = '\0';
r = parse_obj_settings(name,last_ptr,opt->priv,dst ? &res : NULL,n);
if(r < 0) {
free(str);
return r;
}
ptr++;
n++;
}
free(str);
if(n == 0)
return M_OPT_INVALID;
if( ((opt->flags & M_OPT_MIN) && (n < opt->min)) ||
((opt->flags & M_OPT_MAX) && (n > opt->max)) )
return M_OPT_OUT_OF_RANGE;
if(dst) {
if(queue) {
int qsize;
for(qsize = 0 ; queue[qsize].name ; qsize++)
/* NOP */;
res = realloc(res,(qsize+n+1)*sizeof(m_obj_settings_t));
memcpy(&res[n],queue,(qsize+1)*sizeof(m_obj_settings_t));
n += qsize;
free(queue);
}
if(head) {
int hsize;
for(hsize = 0 ; head[hsize].name ; hsize++)
/* NOP */;
head = realloc(head,(hsize+n+1)*sizeof(m_obj_settings_t));
memcpy(&head[hsize],res,(n+1)*sizeof(m_obj_settings_t));
free(res);
res = head;
}
VAL(dst) = res;
}
return 1;
}
static void copy_obj_settings_list(const m_option_t* opt,void* dst, const void* src) {
m_obj_settings_t *d,*s;
int n;
if(!(dst && src))
return;
s = VAL(src);
if(VAL(dst))
free_obj_settings_list(dst);
if(!s) return;
for(n = 0 ; s[n].name ; n++)
/* NOP */;
d = malloc((n+1)*sizeof(m_obj_settings_t));
for(n = 0 ; s[n].name ; n++) {
d[n].name = strdup(s[n].name);
d[n].attribs = NULL;
copy_str_list(NULL,&(d[n].attribs),&(s[n].attribs));
}
d[n].name = NULL;
d[n].attribs = NULL;
VAL(dst) = d;
}
const m_option_type_t m_option_type_obj_settings_list = {
"Object settings list",
"",
sizeof(m_obj_settings_t*),
M_OPT_TYPE_DYNAMIC|M_OPT_TYPE_ALLOW_WILDCARD,
parse_obj_settings_list,
NULL,
copy_obj_settings_list,
copy_obj_settings_list,
copy_obj_settings_list,
free_obj_settings_list,
};
static int parse_obj_presets(const m_option_t* opt,const char *name,
const char *param, void* dst, int src) {
m_obj_presets_t* obj_p = (m_obj_presets_t*)opt->priv;
m_struct_t *in_desc,*out_desc;
int s,i;
unsigned char* pre;
char* pre_name = NULL;
if(!obj_p) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Presets need a pointer to a m_obj_presets_t in the priv field.\n",name);
return M_OPT_PARSER_ERR;
}
if(!param)
return M_OPT_MISSING_PARAM;
pre = obj_p->presets;
in_desc = obj_p->in_desc;
out_desc = obj_p->out_desc ? obj_p->out_desc : obj_p->in_desc;
s = in_desc->size;
if(!strcmp(param,"help")) {
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "Available presets for %s->%s:",out_desc->name,name);
for(pre = obj_p->presets;(pre_name = M_ST_MB(char*,pre,obj_p->name_off)) ;
pre += s)
mp_msg(MSGT_CFGPARSER, MSGL_ERR, " %s",pre_name);
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "\n");
return M_OPT_EXIT - 1;
}
for(pre_name = M_ST_MB(char*,pre,obj_p->name_off) ; pre_name ;
pre += s, pre_name = M_ST_MB(char*,pre,obj_p->name_off)) {
if(!strcmp(pre_name,param)) break;
}
if(!pre_name) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: There is no preset named %s\n"
"Available presets are:",name,param);
for(pre = obj_p->presets;(pre_name = M_ST_MB(char*,pre,obj_p->name_off)) ;
pre += s)
mp_msg(MSGT_CFGPARSER, MSGL_ERR, " %s",pre_name);
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "\n");
return M_OPT_INVALID;
}
if(!dst) return 1;
for(i = 0 ; in_desc->fields[i].name ; i++) {
const m_option_t* out_opt = m_option_list_find(out_desc->fields,
in_desc->fields[i].name);
if(!out_opt) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Unable to find the target option for field %s.\nPlease report this to the developers.\n",name,in_desc->fields[i].name);
return M_OPT_PARSER_ERR;
}
m_option_copy(out_opt,M_ST_MB_P(dst,out_opt->p),M_ST_MB_P(pre,in_desc->fields[i].p));
}
return 1;
}
const m_option_type_t m_option_type_obj_presets = {
"Object presets",
"",
0,
0,
parse_obj_presets,
NULL,
NULL,
NULL,
NULL,
NULL
};
static int parse_custom_url(const m_option_t* opt,const char *name,
const char *url, void* dst, int src) {
int pos1, pos2, r, v6addr = 0;
char *ptr1=NULL, *ptr2=NULL, *ptr3=NULL, *ptr4=NULL;
m_struct_t* desc = opt->priv;
if(!desc) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Custom URL needs a pointer to a m_struct_t in the priv field.\n",name);
return M_OPT_PARSER_ERR;
}
// extract the protocol
ptr1 = strstr(url, "://");
if( ptr1==NULL ) {
// Filename only
if(m_option_list_find(desc->fields,"filename")) {
m_struct_set(desc,dst,"filename",url);
return 1;
}
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Option %s: URL doesn't have a valid protocol!\n",name);
return M_OPT_INVALID;
}
if(m_option_list_find(desc->fields,"string")) {
if(strlen(ptr1)>3) {
m_struct_set(desc,dst,"string",ptr1+3);
return 1;
}
}
pos1 = ptr1-url;
if(dst && m_option_list_find(desc->fields,"protocol")) {
ptr1[0] = '\0';
r = m_struct_set(desc,dst,"protocol",url);
ptr1[0] = ':';
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting protocol.\n",name);
return r;
}
}
// jump the "://"
ptr1 += 3;
pos1 += 3;
// check if a username:password is given
ptr2 = strstr(ptr1, "@");
ptr3 = strstr(ptr1, "/");
if( ptr3!=NULL && ptr3<ptr2 ) {
// it isn't really a username but rather a part of the path
ptr2 = NULL;
}
if( ptr2!=NULL ) {
// We got something, at least a username...
if(!m_option_list_find(desc->fields,"username")) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: This URL doesn't have a username part.\n",name);
// skip
} else {
ptr3 = strstr(ptr1, ":");
if( ptr3!=NULL && ptr3<ptr2 ) {
// We also have a password
if(!m_option_list_find(desc->fields,"password")) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: This URL doesn't have a password part.\n",name);
// skip
} else { // Username and password
if(dst) {
ptr3[0] = '\0';
r = m_struct_set(desc,dst,"username",ptr1);
ptr3[0] = ':';
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting username.\n",name);
return r;
}
ptr2[0] = '\0';
r = m_struct_set(desc,dst,"password",ptr3+1);
ptr2[0] = '@';
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting password.\n",name);
return r;
}
}
}
} else { // User name only
ptr2[0] = '\0';
r = m_struct_set(desc,dst,"username",ptr1);
ptr2[0] = '@';
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting username.\n",name);
return r;
}
}
}
ptr1 = ptr2+1;
pos1 = ptr1-url;
}
// before looking for a port number check if we have an IPv6 type numeric address
// in an IPv6 URL the numeric address should be inside square braces.
ptr2 = strstr(ptr1, "[");
ptr3 = strstr(ptr1, "]");
// If the [] is after the first it isn't the hostname
ptr4 = strstr(ptr1, "/");
if( ptr2!=NULL && ptr3!=NULL && (ptr2 < ptr3) && (!ptr4 || ptr4 > ptr3)) {
// we have an IPv6 numeric address
ptr1++;
pos1++;
ptr2 = ptr3;
v6addr = 1;
} else {
ptr2 = ptr1;
}
// look if the port is given
ptr2 = strstr(ptr2, ":");
// If the : is after the first / it isn't the port
ptr3 = strstr(ptr1, "/");
if(ptr3 && ptr3 - ptr2 < 0) ptr2 = NULL;
if( ptr2==NULL ) {
// No port is given
// Look if a path is given
if( ptr3==NULL ) {
// No path/filename
// So we have an URL like http://www.hostname.com
pos2 = strlen(url);
} else {
// We have an URL like http://www.hostname.com/file.txt
pos2 = ptr3-url;
}
} else {
// We have an URL beginning like http://www.hostname.com:1212
// Get the port number
if(!m_option_list_find(desc->fields,"port")) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: This URL doesn't have a port part.\n",name);
// skip
} else {
if(dst) {
int p = atoi(ptr2+1);
char tmp[100];
snprintf(tmp,99,"%d",p);
r = m_struct_set(desc,dst,"port",tmp);
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting port.\n",name);
return r;
}
}
}
pos2 = ptr2-url;
}
if( v6addr ) pos2--;
// Get the hostname
if(pos2-pos1 > 0) {
if(!m_option_list_find(desc->fields,"hostname")) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: This URL doesn't have a hostname part.\n",name);
// skip
} else {
char tmp[pos2-pos1+1];
strncpy(tmp,ptr1, pos2-pos1);
tmp[pos2-pos1] = '\0';
r = m_struct_set(desc,dst,"hostname",tmp);
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting hostname.\n",name);
return r;
}
}
}
// Look if a path is given
ptr2 = strstr(ptr1, "/");
if( ptr2!=NULL ) {
// A path/filename is given
// check if it's not a trailing '/'
if( strlen(ptr2)>1 ) {
// copy the path/filename in the URL container
if(!m_option_list_find(desc->fields,"filename")) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Option %s: This URL doesn't have a hostname part.\n",name);
// skip
} else {
if(dst) {
int l = strlen(ptr2+1) + 1;
char* fname = ptr2+1;
if(l > 1) {
fname = malloc(l);
url_unescape_string(fname,ptr2+1);
}
r = m_struct_set(desc,dst,"filename",fname);
if(fname != ptr2+1)
free(fname);
if(r < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Option %s: Error while setting filename.\n",name);
return r;
}
}
}
}
}
return 1;
}
/// TODO : Write the other needed funcs for 'normal' options
const m_option_type_t m_option_type_custom_url = {
"Custom URL",
"",
0,
0,
parse_custom_url,
NULL,
NULL,
NULL,
NULL,
NULL
};
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