- if (sample > 0) {
- adjusted_sample = (sample * pcd->current_gain)
- >> gain_shift;
- if (unlikely(adjusted_sample > 32767)) {
- adjusted_sample = 32767;
- pcd->current_gain = (3 * pcd->current_gain +
- (1 << pcd->conf->inertia_arg)) / 4;
- pcd->peak = 0;
- } else
- if (adjusted_sample > pcd->peak)
- pcd->peak = adjusted_sample;
- } else {
- adjusted_sample = -((-sample * pcd->current_gain)
- >> gain_shift);
- if (unlikely(adjusted_sample < -32768)) {
- adjusted_sample = -32768;
- pcd->current_gain = (3 * pcd->current_gain +
- (1 << pcd->conf->inertia_arg)) / 4;
- pcd->peak = 0;
- } else
- if (-adjusted_sample > pcd->peak)
- pcd->peak = -adjusted_sample;
- }
- *op++ = adjusted_sample;
+ adjusted_sample = (PARA_ABS(sample) * pcd->current_gain)
+ >> gain_shift;
+ if (unlikely(adjusted_sample > 32767)) { /* clip */
+ PARA_NOTICE_LOG("clip: sample: %d, adjusted sample: %d\n",
+ sample, adjusted_sample);
+ adjusted_sample = 32767;
+ pcd->current_gain = (3 * pcd->current_gain +
+ (1 << pcd->conf->inertia_arg)) / 4;
+ pcd->peak = 0;
+ } else
+ pcd->peak = PARA_MAX(pcd->peak, adjusted_sample);
+ *op++ = sample >= 0? adjusted_sample : -adjusted_sample;