int first_field;
char *pattern;
int start_frame;
+ int init_len;
unsigned int pattern_pos;
unsigned int nskip_fields;
int64_t start_time;
DetelecineContext *s = ctx->priv;
const char *p;
int max = 0;
+ int sum = 0;
if (!strlen(s->pattern)) {
av_log(ctx, AV_LOG_ERROR, "No pattern provided.\n");
return AVERROR_INVALIDDATA;
}
+ sum += *p - '0';
max = FFMAX(*p - '0', max);
s->pts.num += *p - '0';
s->pts.den += 2;
}
+ if (s->start_frame >= sum) {
+ av_log(ctx, AV_LOG_ERROR, "Provided start_frame is too big.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
s->nskip_fields = 0;
s->pattern_pos = 0;
s->start_time = AV_NOPTS_VALUE;
+ s->init_len = 0;
if (s->start_frame != 0) {
int nfields = 0;
nfields += *p - '0';
s->pattern_pos++;
if (nfields >= 2*s->start_frame) {
- s->nskip_fields = nfields - 2*s->start_frame;
+ s->init_len = nfields - 2*s->start_frame;
break;
}
}
}
if (s->nskip_fields == 0) {
+ len = s->init_len;
+ s->init_len = 0;
while(!len && s->pattern[s->pattern_pos]) {
len = s->pattern[s->pattern_pos] - '0';
s->pattern_pos++;