const uint8_t *bytestream_end;
uint16_t contexts[DIRAC_CTX_COUNT];
+ int error;
+ int overread;
} DiracArith;
extern const uint8_t ff_dirac_next_ctx[DIRAC_CTX_COUNT];
new |= 0xff00;
c->bytestream = c->bytestream_end;
+ c->overread ++;
+ if (c->overread > 4)
+ c->error = AVERROR_INVALIDDATA;
}
c->low += new << counter;
while (!dirac_get_arith_bit(c, follow_ctx)) {
if (ret >= 0x40000000) {
av_log(NULL, AV_LOG_ERROR, "dirac_get_arith_uint overflow\n");
+ c->error = AVERROR_INVALIDDATA;
return -1;
}
ret <<= 1;