return val;
}
-static int arith2_get_prob(ArithCoder *c, int *probs)
+static int arith2_get_prob(ArithCoder *c, int16_t *probs)
{
int range = c->high - c->low + 1, n = *probs;
int scale = av_log2(range) - av_log2(n);
return 0;
ncol = *buf++;
- if (buf_size < 2 + ncol * 3)
+ if (ncol > ctx->free_colours || buf_size < 2 + ncol * 3)
return -1;
for (i = 0; i < ncol; i++)
*pal++ = AV_RB24(buf + 3 * i);
else
repeat = get_bits(gb, b);
- while (b--)
- repeat += 1 << b;
+ repeat += (1 << b) - 1;
if (last_symbol == -2) {
int skip = FFMIN(repeat, pal_dst + w - pp);