static int jacosub_probe(AVProbeData *p)
{
const char *ptr = p->buf;
const char *ptr_end = p->buf + p->buf_size;
if (AV_RB24(ptr) == 0xEFBBBF)
ptr += 3; /* skip UTF-8 BOM */
while (ptr < ptr_end) {
while (jss_whitespace(*ptr))
ptr++;
if (*ptr != '#' && *ptr != '\n') {
if (timed_line(ptr))
return AVPROBE_SCORE_MAX/2 + 1;
return 0;
}
ptr += strcspn(ptr, "\n") + 1;
}
return 0;
}
static int jacosub_probe(AVProbeData *p)
{
const char *ptr = p->buf;
const char *ptr_end = p->buf + p->buf_size;
if (AV_RB24(ptr) == 0xEFBBBF)
ptr += 3; /* skip UTF-8 BOM */
while (ptr < ptr_end) {
while (jss_whitespace(*ptr))
ptr++;
if (*ptr != '#' && *ptr != '\n') {
if (timed_line(ptr))
return AVPROBE_SCORE_EXTENSION + 1;
return 0;
}
ptr += ff_subtitles_next_line(ptr);
}
return 0;
}
static void jacosub_to_ass(AVCodecContext *avctx, AVBPrint *dst, const char *src)
{
int i, valign = 0, halign = 0;
char c = av_toupper(*src);
char directives[128] = {0};
/* extract the optional directives */
if ((c >= 'A' && c <= 'Z') || c == '[') {
char *p = directives;
char *pend = directives + sizeof(directives) - 1;
do *p++ = av_toupper(*src++);
while (*src && !jss_whitespace(*src) && p < pend);
*p = 0;
src = jss_skip_whitespace(src);
}
/* handle directives (TODO: handle more of them, and more reliably) */
if (strstr(directives, "VB")) valign = ALIGN_VB;
else if (strstr(directives, "VM")) valign = ALIGN_VM;
else if (strstr(directives, "VT")) valign = ALIGN_VT;
if (strstr(directives, "JC")) halign = ALIGN_JC;
else if (strstr(directives, "JL")) halign = ALIGN_JL;
else if (strstr(directives, "JR")) halign = ALIGN_JR;
if (valign || halign) {
if (!valign) valign = ALIGN_VB;
if (!halign) halign = ALIGN_JC;
switch (valign | halign) {
case ALIGN_VB | ALIGN_JL: av_bprintf(dst, "{\\an1}"); break; // bottom left
case ALIGN_VB | ALIGN_JC: av_bprintf(dst, "{\\an2}"); break; // bottom center
case ALIGN_VB | ALIGN_JR: av_bprintf(dst, "{\\an3}"); break; // bottom right
case ALIGN_VM | ALIGN_JL: av_bprintf(dst, "{\\an4}"); break; // middle left
case ALIGN_VM | ALIGN_JC: av_bprintf(dst, "{\\an5}"); break; // middle center
case ALIGN_VM | ALIGN_JR: av_bprintf(dst, "{\\an6}"); break; // middle right
case ALIGN_VT | ALIGN_JL: av_bprintf(dst, "{\\an7}"); break; // top left
case ALIGN_VT | ALIGN_JC: av_bprintf(dst, "{\\an8}"); break; // top center
case ALIGN_VT | ALIGN_JR: av_bprintf(dst, "{\\an9}"); break; // top right
}
}
/* process timed line */
while (*src && *src != '\n') {
/* text continue on the next line */
if (src[0] == '\\' && src[1] == '\n') {
src += 2;
while (jss_whitespace(*src))
src++;
continue;
}
/* special character codes */
for (i = 0; i < FF_ARRAY_ELEMS(ass_codes_map); i++) {
const char *from = ass_codes_map[i].from;
const char *arg = ass_codes_map[i].arg;
size_t codemap_len = strlen(from);
if (!strncmp(src, from, codemap_len)) {
src += codemap_len;
src += ass_codes_map[i].func(dst, src, arg);
break;
}
}
/* simple char copy */
if (i == FF_ARRAY_ELEMS(ass_codes_map))
av_bprintf(dst, "%c", *src++);
}
av_bprintf(dst, "\r\n");
}
