}
}
+NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne) {
+ int noise_level = kLowLow;
+ if (ne->value > (ne->thresh << 1)) {
+ noise_level = kHigh;
+ } else {
+ if (ne->value > ne->thresh)
+ noise_level = kMedium;
+ else if (ne->value > (ne->thresh >> 1))
+ noise_level = kLow;
+ else
+ noise_level = kLowLow;
+ }
+ return noise_level;
+}
+
void vp9_update_noise_estimate(VP9_COMP *const cpi) {
const VP9_COMMON *const cm = &cpi->common;
CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
// Reset counter and check noise level condition.
ne->num_frames_estimate = 30;
ne->count = 0;
- if (ne->value > (ne->thresh << 1)) {
- ne->level = kHigh;
- } else {
- if (ne->value > ne->thresh)
- ne->level = kMedium;
- else if (ne->value > (ne->thresh >> 1))
- ne->level = kLow;
- else
- ne->level = kLowLow;
- }
+ ne->level = vp9_noise_estimate_extract_level(ne);
#if CONFIG_VP9_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity > 0)
vp9_denoiser_set_noise_level(&cpi->denoiser, ne->level);