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| author | Paul Wilkins <paulwilkins@google.com> | 2019-03-01 15:37:58 +0000 |
|---|---|---|
| committer | Paul Wilkins <paulwilkins@google.com> | 2019-03-28 13:30:11 +0000 |
| commit | d6cd3b7ec001620922f52544a81ae84a694cafbb (patch) | |
| tree | ce3cf926f36e3d5510f1177fe698825237caed94 | |
| parent | dc6e6fbdcc7aee0d2ff7984e974ae045bd9805c9 (diff) | |
| download | libvpx-d6cd3b7ec001620922f52544a81ae84a694cafbb.tar libvpx-d6cd3b7ec001620922f52544a81ae84a694cafbb.tar.gz libvpx-d6cd3b7ec001620922f52544a81ae84a694cafbb.tar.bz2 libvpx-d6cd3b7ec001620922f52544a81ae84a694cafbb.zip | |
Adjustment to low variance block bias in rd_variance_adjustment()
Adjust the extra bias applied for very low variance blocks to focus
mainly on DC_PRED.
Change-Id: I8f1c1a29932f319535807046846b604b5b8827c1
| -rw-r--r-- | vp9/encoder/vp9_rdopt.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c index 27c580107..a01cf964d 100644 --- a/vp9/encoder/vp9_rdopt.c +++ b/vp9/encoder/vp9_rdopt.c @@ -3131,7 +3131,8 @@ static unsigned int max_var_adjust[VP9E_CONTENT_INVALID] = { 16, 16, 250 }; static void rd_variance_adjustment(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int64_t *this_rd, struct buf_2d *recon, - MV_REFERENCE_FRAME ref_frame) { + MV_REFERENCE_FRAME ref_frame, + PREDICTION_MODE this_mode) { MACROBLOCKD *const xd = &x->e_mbd; unsigned int rec_variance; unsigned int src_variance; @@ -3183,8 +3184,12 @@ static void rd_variance_adjustment(VP9_COMP *cpi, MACROBLOCK *x, if (content_type == VP9E_CONTENT_FILM) { if (src_rec_min <= LOW_VAR_THRESH / 2) { - if (ref_frame == INTRA_FRAME) *this_rd *= 2; - if (bsize > BLOCK_16X16) *this_rd *= 2; + if (ref_frame == INTRA_FRAME) { + if (this_mode == DC_PRED) + *this_rd *= 2; + else + *this_rd += (*this_rd / 4); + } } } @@ -3726,7 +3731,8 @@ void vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, TileDataEnc *tile_data, // Apply an adjustment to the rd value based on the similarity of the // source variance and reconstructed variance. if (recon) { - rd_variance_adjustment(cpi, x, bsize, &this_rd, recon, ref_frame); + rd_variance_adjustment(cpi, x, bsize, &this_rd, recon, ref_frame, + this_mode); } if (ref_frame == INTRA_FRAME) { |