/* set speaker positions according to input channel configuration: */
for (m = 0, ch = 0; ch < n_conv && m < 64; m++) {
- uint64_t mask = channels_layout & (1 << m);
+ uint64_t mask = channels_layout & (1ULL << m);
switch (mask) {
case AV_CH_FRONT_LEFT: azim[ch] = 30; break;