Commit 69541e1d authored by Jim Bankoski's avatar Jim Bankoski Committed by Gerrit Code Review
Browse files

Merge "Reduce loop filter in cyclic refresh."

parents f92cfa1c 07ce7751
......@@ -3808,11 +3808,22 @@ static void encode_frame_to_data_rate
/* Setup background Q adjustment for error resilient mode.
* For multi-layer encodes only enable this for the base layer.
*/
* Reduce loop filter to reduce "dot" artifacts that can occur for repeated
* loop filtering on ZEROMV_LASTREF blocks.
* For now reducing it to -32, only for resolutions above CIF and
* #temporal_layers < 3 (artifact is hard to see at low spatial resolution
* and/or high #temporal layers).
*/
if (cpi->cyclic_refresh_mode_enabled)
{
int delta_loop_filter = 0;
if (cm->Width > 352 && cm->Height > 288 &&
cpi->oxcf.number_of_layers < 3)
{
delta_loop_filter = -32;
}
if (cpi->current_layer==0)
cyclic_background_refresh(cpi, Q, 0);
cyclic_background_refresh(cpi, Q, delta_loop_filter);
else
disable_segmentation(cpi);
}
......
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