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Don't auto-default to comp-pred unless content is static.

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Although it can be useful, in some cases it causes artifacts in motion-
based content.

Change-Id: I27bb80901020c40636e2018a8217759175a23f5b
This commit is contained in:
Ronald S. Bultje 2012-07-16 16:46:46 -07:00
parent c6b9039fd9
commit 84d2298828
1 changed files with 4 additions and 6 deletions
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10
vp8/encoder/encodeframe.c
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@ -1318,15 +1318,13 @@ void vp8_encode_frame(VP8_COMP *cpi) {
if (frame_type == 3)
pred_type = SINGLE_PREDICTION_ONLY;
else if (cpi->rd_prediction_type_threshes[frame_type][1] >
cpi->rd_prediction_type_threshes[frame_type][0] &&
cpi->rd_prediction_type_threshes[frame_type][0] &&
cpi->rd_prediction_type_threshes[frame_type][1] >
cpi->rd_prediction_type_threshes[frame_type][2] &&
check_dual_ref_flags(cpi))
cpi->rd_prediction_type_threshes[frame_type][2] &&
check_dual_ref_flags(cpi) && cpi->static_mb_pct == 100)
pred_type = COMP_PREDICTION_ONLY;
else if (cpi->rd_prediction_type_threshes[frame_type][0] >
cpi->rd_prediction_type_threshes[frame_type][1] &&
cpi->rd_prediction_type_threshes[frame_type][0] >
cpi->rd_prediction_type_threshes[frame_type][2])
cpi->rd_prediction_type_threshes[frame_type][2])
pred_type = SINGLE_PREDICTION_ONLY;
else
pred_type = HYBRID_PREDICTION;