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Merge "Reduce loop filter in cyclic refresh."

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This commit is contained in:
Jim Bankoski
2013-11-19 14:42:32 -08:00
committed by Gerrit Code Review
parent f92cfa1ca6 07ce775189
commit 69541e1dec
1 changed files with 13 additions and 2 deletions
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15
vp8/encoder/onyx_if.c
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@@ -3808,11 +3808,22 @@ static void encode_frame_to_data_rate
/* Setup background Q adjustment for error resilient mode. /* Setup background Q adjustment for error resilient mode.
* For multi-layer encodes only enable this for the base layer. * 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) 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) if (cpi->current_layer==0)
cyclic_background_refresh(cpi, Q, 0); cyclic_background_refresh(cpi, Q, delta_loop_filter);
else else
disable_segmentation(cpi); disable_segmentation(cpi);
} }