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Reuse UTF-8 reading code in libavutil

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19372 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-08-12 15:28:01 +00:00
parent acd227a125
commit 288c14e3ae
1 changed files with 3 additions and 17 deletions
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20
libvo/sub.c
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@ -14,6 +14,7 @@
#include "font_load.h"
#include "sub.h"
#include "spudec.h"
#include "libavutil/common.h"
#define NEW_SPLITTING
@ -142,23 +143,8 @@ inline static void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)
unsigned utf8_get_char(char **str) {
uint8_t *strp = (uint8_t *)*str;
unsigned c = *strp++;
unsigned mask = 0x80;
int len = -1;
while (c & mask) {
mask >>= 1;
len++;
}
if (len <= 0 || len > 4)
goto no_utf8;
c &= mask - 1;
while ((*strp & 0xc0) == 0x80) {
if (len-- <= 0)
goto no_utf8;
c = (c << 6) | (*strp++ & 0x3f);
}
if (len)
goto no_utf8;
unsigned c;
GET_UTF8(c, *strp++, goto no_utf8;);
*str = (char *)strp;
return c;