diff options
author | Ravi Chaudhary <ravi.chaudhary@ittiam.com> | 2019-03-11 15:09:08 +0530 |
---|---|---|
committer | Ravi Chaudhary <ravi.chaudhary@ittiam.com> | 2019-04-18 06:02:33 +0000 |
commit | 4bb51416e183381cd1df474662a8224a47476c2d (patch) | |
tree | 6f4aa6cf47e94dd027240eb976b5cbd142eb10ac /vp9 | |
parent | e718cade1dc7179daede6b695166702dbf6ab8b4 (diff) | |
download | libvpx-4bb51416e183381cd1df474662a8224a47476c2d.tar libvpx-4bb51416e183381cd1df474662a8224a47476c2d.tar.gz libvpx-4bb51416e183381cd1df474662a8224a47476c2d.tar.bz2 libvpx-4bb51416e183381cd1df474662a8224a47476c2d.zip |
Refine active best quality of layered ARF frames
Change-Id: If630af68fc3793d579a947d5955c2001c0cf0a8d
Diffstat (limited to 'vp9')
-rw-r--r-- | vp9/encoder/vp9_ratectrl.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c index 793171547..b51f6797b 100644 --- a/vp9/encoder/vp9_ratectrl.c +++ b/vp9/encoder/vp9_ratectrl.c @@ -1446,20 +1446,19 @@ static int rc_pick_q_and_bounds_two_pass(const VP9_COMP *cpi, int *bottom_index, // Constrained quality use slightly lower active best. active_best_quality = active_best_quality * 15 / 16; - - // Modify best quality for second level arfs. For mode VPX_Q this - // becomes the baseline frame q. - if (gf_group->rf_level[gf_group_index] == GF_ARF_LOW) { - const int layer_depth = gf_group->layer_depth[gf_group_index]; - // linearly fit the frame q depending on the layer depth index from - // the base layer ARF. - active_best_quality = - ((layer_depth - 1) * q + active_best_quality + layer_depth / 2) / - layer_depth; - } } else { active_best_quality = get_gf_active_quality(cpi, q, cm->bit_depth); } + // Modify best quality for second level arfs. For mode VPX_Q this + // becomes the baseline frame q. + if (gf_group->rf_level[gf_group_index] == GF_ARF_LOW) { + const int layer_depth = gf_group->layer_depth[gf_group_index]; + // linearly fit the frame q depending on the layer depth index from + // the base layer ARF. + active_best_quality = + ((layer_depth - 1) * q + active_best_quality + layer_depth / 2) / + layer_depth; + } } else { active_best_quality = inter_minq[active_worst_quality]; |