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-rw-r--r--libass/mputils.c321
1 files changed, 161 insertions, 160 deletions
diff --git a/libass/mputils.c b/libass/mputils.c
index 0853178..a4a5a9f 100644
--- a/libass/mputils.c
+++ b/libass/mputils.c
@@ -13,169 +13,168 @@
#include <enca.h>
#endif
-void my_mp_msg(int lvl, char *lvl_str, char *fmt, ...) {
- va_list va;
- if(lvl > MSGL_INFO) return;
- va_start(va, fmt);
- vprintf(fmt, va);
- va_end(va);
+void my_mp_msg(int lvl, char *lvl_str, char *fmt, ...)
+{
+ va_list va;
+ if (lvl > MSGL_INFO)
+ return;
+ va_start(va, fmt);
+ vprintf(fmt, va);
+ va_end(va);
}
-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;
- *str = (char *)strp;
- return c;
-
-no_utf8:
- strp = (uint8_t *)*str;
- c = *strp++;
- *str = (char *)strp;
- return c;
+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;
+ *str = (char *) strp;
+ return c;
+
+ no_utf8:
+ strp = (uint8_t *) * str;
+ c = *strp++;
+ *str = (char *) strp;
+ return c;
}
// gaussian blur
-void blur(
- unsigned char *buffer,
- unsigned short *tmp2,
- int width,
- int height,
- int stride,
- int *m2,
- int r,
- int mwidth) {
+void blur(unsigned char *buffer,
+ unsigned short *tmp2,
+ int width, int height, int stride, int *m2, int r, int mwidth)
+{
int x, y;
- unsigned char *s = buffer;
- unsigned short *t = tmp2+1;
- for(y=0; y<height; y++){
- memset(t-1, 0, (width+1)*sizeof(short));
-
- for(x=0; x<r; x++){
- const int src= s[x];
- if(src){
- register unsigned short *dstp= t + x-r;
- int mx;
- unsigned *m3= m2 + src*mwidth;
- for(mx=r-x; mx<mwidth; mx++){
- dstp[mx]+= m3[mx];
- }
- }
- }
-
- for(; x<width-r; x++){
- const int src= s[x];
- if(src){
- register unsigned short *dstp= t + x-r;
- int mx;
- unsigned *m3= m2 + src*mwidth;
- for(mx=0; mx<mwidth; mx++){
- dstp[mx]+= m3[mx];
- }
- }
- }
-
- for(; x<width; x++){
- const int src= s[x];
- if(src){
- register unsigned short *dstp= t + x-r;
- int mx;
- const int x2= r+width -x;
- unsigned *m3= m2 + src*mwidth;
- for(mx=0; mx<x2; mx++){
- dstp[mx]+= m3[mx];
- }
- }
- }
-
- s+= stride;
- t+= width + 1;
+ unsigned char *s = buffer;
+ unsigned short *t = tmp2 + 1;
+ for (y = 0; y < height; y++) {
+ memset(t - 1, 0, (width + 1) * sizeof(short));
+
+ for (x = 0; x < r; x++) {
+ const int src = s[x];
+ if (src) {
+ register unsigned short *dstp = t + x - r;
+ int mx;
+ unsigned *m3 = m2 + src * mwidth;
+ for (mx = r - x; mx < mwidth; mx++) {
+ dstp[mx] += m3[mx];
+ }
+ }
+ }
+
+ for (; x < width - r; x++) {
+ const int src = s[x];
+ if (src) {
+ register unsigned short *dstp = t + x - r;
+ int mx;
+ unsigned *m3 = m2 + src * mwidth;
+ for (mx = 0; mx < mwidth; mx++) {
+ dstp[mx] += m3[mx];
+ }
+ }
+ }
+
+ for (; x < width; x++) {
+ const int src = s[x];
+ if (src) {
+ register unsigned short *dstp = t + x - r;
+ int mx;
+ const int x2 = r + width - x;
+ unsigned *m3 = m2 + src * mwidth;
+ for (mx = 0; mx < x2; mx++) {
+ dstp[mx] += m3[mx];
+ }
+ }
+ }
+
+ s += stride;
+ t += width + 1;
}
t = tmp2;
- for(x=0; x<width; x++){
- for(y=0; y<r; y++){
- unsigned short *srcp= t + y*(width+1) + 1;
- int src= *srcp;
- if(src){
- register unsigned short *dstp= srcp - 1 + width+1;
- const int src2= (src + 128)>>8;
- unsigned *m3= m2 + src2*mwidth;
-
- int mx;
- *srcp= 128;
- for(mx=r-1; mx<mwidth; mx++){
- *dstp += m3[mx];
- dstp+= width+1;
- }
- }
- }
- for(; y<height-r; y++){
- unsigned short *srcp= t + y*(width+1) + 1;
- int src= *srcp;
- if(src){
- register unsigned short *dstp= srcp - 1 - r*(width+1);
- const int src2= (src + 128)>>8;
- unsigned *m3= m2 + src2*mwidth;
-
- int mx;
- *srcp= 128;
- for(mx=0; mx<mwidth; mx++){
- *dstp += m3[mx];
- dstp+= width+1;
- }
- }
- }
- for(; y<height; y++){
- unsigned short *srcp= t + y*(width+1) + 1;
- int src= *srcp;
- if(src){
- const int y2=r+height-y;
- register unsigned short *dstp= srcp - 1 - r*(width+1);
- const int src2= (src + 128)>>8;
- unsigned *m3= m2 + src2*mwidth;
-
- int mx;
- *srcp= 128;
- for(mx=0; mx<y2; mx++){
- *dstp += m3[mx];
- dstp+= width+1;
- }
- }
- }
- t++;
+ for (x = 0; x < width; x++) {
+ for (y = 0; y < r; y++) {
+ unsigned short *srcp = t + y * (width + 1) + 1;
+ int src = *srcp;
+ if (src) {
+ register unsigned short *dstp = srcp - 1 + width + 1;
+ const int src2 = (src + 128) >> 8;
+ unsigned *m3 = m2 + src2 * mwidth;
+
+ int mx;
+ *srcp = 128;
+ for (mx = r - 1; mx < mwidth; mx++) {
+ *dstp += m3[mx];
+ dstp += width + 1;
+ }
+ }
+ }
+ for (; y < height - r; y++) {
+ unsigned short *srcp = t + y * (width + 1) + 1;
+ int src = *srcp;
+ if (src) {
+ register unsigned short *dstp = srcp - 1 - r * (width + 1);
+ const int src2 = (src + 128) >> 8;
+ unsigned *m3 = m2 + src2 * mwidth;
+
+ int mx;
+ *srcp = 128;
+ for (mx = 0; mx < mwidth; mx++) {
+ *dstp += m3[mx];
+ dstp += width + 1;
+ }
+ }
+ }
+ for (; y < height; y++) {
+ unsigned short *srcp = t + y * (width + 1) + 1;
+ int src = *srcp;
+ if (src) {
+ const int y2 = r + height - y;
+ register unsigned short *dstp = srcp - 1 - r * (width + 1);
+ const int src2 = (src + 128) >> 8;
+ unsigned *m3 = m2 + src2 * mwidth;
+
+ int mx;
+ *srcp = 128;
+ for (mx = 0; mx < y2; mx++) {
+ *dstp += m3[mx];
+ dstp += width + 1;
+ }
+ }
+ }
+ t++;
}
t = tmp2;
s = buffer;
- for(y=0; y<height; y++){
- for(x=0; x<width; x++){
- s[x]= t[x]>>8;
- }
- s+= stride;
- t+= width + 1;
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++) {
+ s[x] = t[x] >> 8;
+ }
+ s += stride;
+ t += width + 1;
}
}
#ifdef CONFIG_ENCA
-void* guess_buffer_cp(unsigned char* buffer, int buflen, char *preferred_language, char *fallback)
+void *guess_buffer_cp(unsigned char *buffer, int buflen,
+ char *preferred_language, char *fallback)
{
const char **languages;
size_t langcnt;
@@ -187,29 +186,31 @@ void* guess_buffer_cp(unsigned char* buffer, int buflen, char *preferred_languag
languages = enca_get_languages(&langcnt);
mp_msg(MSGT_ASS, MSGL_V, "ENCA supported languages: ");
for (i = 0; i < langcnt; i++) {
- mp_msg(MSGT_ASS, MSGL_V, "%s ", languages[i]);
+ mp_msg(MSGT_ASS, MSGL_V, "%s ", languages[i]);
}
mp_msg(MSGT_ASS, MSGL_V, "\n");
-
+
for (i = 0; i < langcnt; i++) {
- const char *tmp;
-
- if (strcasecmp(languages[i], preferred_language) != 0) continue;
- analyser = enca_analyser_alloc(languages[i]);
- encoding = enca_analyse_const(analyser, buffer, buflen);
- tmp = enca_charset_name(encoding.charset, ENCA_NAME_STYLE_ICONV);
- if (tmp && encoding.charset != ENCA_CS_UNKNOWN) {
- detected_sub_cp = strdup(tmp);
- mp_msg(MSGT_ASS, MSGL_INFO, "ENCA detected charset: %s\n", tmp);
- }
- enca_analyser_free(analyser);
+ const char *tmp;
+
+ if (strcasecmp(languages[i], preferred_language) != 0)
+ continue;
+ analyser = enca_analyser_alloc(languages[i]);
+ encoding = enca_analyse_const(analyser, buffer, buflen);
+ tmp = enca_charset_name(encoding.charset, ENCA_NAME_STYLE_ICONV);
+ if (tmp && encoding.charset != ENCA_CS_UNKNOWN) {
+ detected_sub_cp = strdup(tmp);
+ mp_msg(MSGT_ASS, MSGL_INFO, "ENCA detected charset: %s\n", tmp);
+ }
+ enca_analyser_free(analyser);
}
-
+
free(languages);
if (!detected_sub_cp) {
- detected_sub_cp = strdup(fallback);
- mp_msg(MSGT_ASS, MSGL_INFO, "ENCA detection failed: fallback to %s\n", fallback);
+ detected_sub_cp = strdup(fallback);
+ mp_msg(MSGT_ASS, MSGL_INFO,
+ "ENCA detection failed: fallback to %s\n", fallback);
}
return detected_sub_cp;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 19:50:21 +0000