/* subtract offset from previous samples to use in prediction */
if (command == FN_QLPC && coffset)
for (i = -pred_order; i < 0; i++)
- s->decoded[channel][i] -= coffset;
+ s->decoded[channel][i] -= (unsigned)coffset;
/* decode residual and do LPC prediction */
init_sum = pred_order ? (command == FN_QLPC ? s->lpcqoffset : 0) : coffset;
/* add offset to current samples */
if (command == FN_QLPC && coffset)
for (i = 0; i < s->blocksize; i++)
- s->decoded[channel][i] += coffset;
+ s->decoded[channel][i] += (unsigned)coffset;
return 0;
}
}
skip_bytes = get_uint(s, NSKIPSIZE);
- if ((unsigned)skip_bytes > get_bits_left(&s->gb)/8) {
+ if ((unsigned)skip_bytes > FFMAX(get_bits_left(&s->gb), 0)/8) {
av_log(s->avctx, AV_LOG_ERROR, "invalid skip_bytes: %d\n", skip_bytes);
return AVERROR_INVALIDDATA;
}
if (s->version < 2)
s->offset[channel][s->nmean - 1] = sum / s->blocksize;
else
- s->offset[channel][s->nmean - 1] = s->bitshift == 32 ? 0 : (sum / s->blocksize) * (1 << s->bitshift);
+ s->offset[channel][s->nmean - 1] = s->bitshift == 32 ? 0 : (sum / s->blocksize) * (1LL << s->bitshift);
}
/* copy wrap samples for use with next block */