void show_filters(void)
{
AVFilter av_unused(**filter) = NULL;
printf("Filters:\n");
#if CONFIG_AVFILTER
while ((filter = av_filter_next(filter)) && *filter)
printf("%-16s %s\n", (*filter)->name, (*filter)->description);
#endif
}
int opt_filters(const char *opt, const char *arg)
{
AVFilter av_unused(**filter) = NULL;
printf("Filters:\n");
#if CONFIG_AVFILTER
while ((filter = av_filter_next(filter)) && *filter)
printf("%-16s %s\n", (*filter)->name, (*filter)->description);
#endif
return 0;
}
static void sha256_transform(uint32_t *state, const uint8_t buffer[64])
{
unsigned int i, a, b, c, d, e, f, g, h;
uint32_t block[64];
uint32_t T1, av_unused(T2);
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
f = state[5];
g = state[6];
h = state[7];
#if CONFIG_SMALL
for (i = 0; i < 64; i++) {
if (i < 16)
T1 = blk0(i);
else
T1 = blk(i);
T1 += h + Sigma1_256(e) + Ch(e, f, g) + K256[i];
T2 = Sigma0_256(a) + Maj(a, b, c);
h = g;
g = f;
f = e;
e = d + T1;
d = c;
c = b;
b = a;
a = T1 + T2;
}
#else
for (i = 0; i < 16;) {
ROUND256_0_TO_15(a, b, c, d, e, f, g, h);
ROUND256_0_TO_15(h, a, b, c, d, e, f, g);
ROUND256_0_TO_15(g, h, a, b, c, d, e, f);
ROUND256_0_TO_15(f, g, h, a, b, c, d, e);
ROUND256_0_TO_15(e, f, g, h, a, b, c, d);
ROUND256_0_TO_15(d, e, f, g, h, a, b, c);
ROUND256_0_TO_15(c, d, e, f, g, h, a, b);
ROUND256_0_TO_15(b, c, d, e, f, g, h, a);
}
for (; i < 64;) {
ROUND256_16_TO_63(a, b, c, d, e, f, g, h);
ROUND256_16_TO_63(h, a, b, c, d, e, f, g);
ROUND256_16_TO_63(g, h, a, b, c, d, e, f);
ROUND256_16_TO_63(f, g, h, a, b, c, d, e);
ROUND256_16_TO_63(e, f, g, h, a, b, c, d);
ROUND256_16_TO_63(d, e, f, g, h, a, b, c);
ROUND256_16_TO_63(c, d, e, f, g, h, a, b);
ROUND256_16_TO_63(b, c, d, e, f, g, h, a);
}
#endif
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
state[5] += f;
state[6] += g;
state[7] += h;
}
