static int srt_probe(AVProbeData *p)
{
int v;
char buf[64], *pbuf;
FFTextReader tr;
ff_text_init_buf(&tr, p->buf, p->buf_size);
while (ff_text_peek_r8(&tr) == '\r' || ff_text_peek_r8(&tr) == '\n')
ff_text_r8(&tr);
/* Check if the first non-empty line is a number. We do not check what the
* number is because in practice it can be anything.
* Also, that number can be followed by random garbage, so we can not
* unfortunately check that we only have a number. */
if (ff_subtitles_read_line(&tr, buf, sizeof(buf)) < 0 ||
strtol(buf, &pbuf, 10) < 0 || pbuf == buf)
return 0;
/* Check if the next line matches a SRT timestamp */
if (ff_subtitles_read_line(&tr, buf, sizeof(buf)) < 0)
return 0;
if (buf[0] >= '0' && buf[0] <= '9' && strstr(buf, " --> ")
&& sscanf(buf, "%*d:%*2d:%*2d%*1[,.]%*3d --> %*d:%*2d:%*2d%*1[,.]%3d", &v) == 1)
return AVPROBE_SCORE_MAX;
return 0;
}
static int64_t get_line(AVBPrint *buf, FFTextReader *tr)
{
int64_t pos = ff_text_pos(tr);
av_bprint_clear(buf);
for (;;) {
char c = ff_text_r8(tr);
if (!c)
break;
av_bprint_chars(buf, c, 1);
if (c == '\n')
break;
}
return pos;
}
static int scc_probe(const AVProbeData *p)
{
char buf[18];
FFTextReader tr;
ff_text_init_buf(&tr, p->buf, p->buf_size);
while (ff_text_peek_r8(&tr) == '\r' || ff_text_peek_r8(&tr) == '\n')
ff_text_r8(&tr);
ff_text_read(&tr, buf, sizeof(buf));
if (!memcmp(buf, "Scenarist_SCC V1.0", 18))
return AVPROBE_SCORE_MAX;
return 0;
}
static int srt_probe(AVProbeData *p)
{
int i, v, num = 0;
FFTextReader tr;
ff_text_init_buf(&tr, p->buf, p->buf_size);
while (ff_text_peek_r8(&tr) == '\r' || ff_text_peek_r8(&tr) == '\n')
ff_text_r8(&tr);
for (i=0; i<2; i++) {
char buf[128];
if (ff_subtitles_read_line(&tr, buf, sizeof(buf)) < 0)
break;
if ((num == i || num + 1 == i)
&& buf[0] >= '0' && buf[1] <= '9' && strstr(buf, " --> ")
&& sscanf(buf, "%*d:%*2d:%*2d%*1[,.]%*3d --> %*d:%*2d:%*2d%*1[,.]%3d", &v) == 1)
return AVPROBE_SCORE_MAX;
num = atoi(buf);
}
return 0;
}
