Jerome Jiang [Tue, 7 Aug 2018 18:10:26 +0000 (11:10 -0700)]
vp8: fix to address overflow in decoder.
Can't call internal error from the decoder thread.
Add vpx_internal_error_info to MACROBLOCKD. When corrupted frame
detected, the decoder thread returns to its own context and signal
completion of decoding for current frame.
The main decoding thread will detect error too and return error code to
decoding API call.
Each thread will signal end of decoding of the frame. Main thread waits
for the signal of all other threads to start decoding next frame.
chiyotsai [Mon, 29 Oct 2018 23:12:05 +0000 (16:12 -0700)]
Add SSE2 support for hbd 4-tap interpolation filter.
Unit test performance on bitdepth 10:
| 4X4 | 8X8 |16X16|64X64|
2D |1.582|1.461|1.425|1.572|
HORZ|1.643|1.247|1.346|1.345|
VERT|1.378|1.695|2.020|1.763|
Jingning Han [Mon, 29 Oct 2018 21:08:20 +0000 (14:08 -0700)]
Properly space qp in q mode for multi-layer ARF
Space the quantization parameter distribution according to the
layer depth for multi-layer ARF coding structure. This allows
lower layers to have relatively smaller quantization parameters
than higher layers. It improves the compression performance
in constant q mode for multi-layer ARF system:
Jingning Han [Wed, 24 Oct 2018 03:30:35 +0000 (20:30 -0700)]
Enable tpl model to support multi-layer ARF
Enable temporal dependency model for the base layer ARF. It
improves the multi-layer ARF compression performance (results
are tested in speed 0 vbr mode):
Jingning Han [Tue, 23 Oct 2018 23:24:28 +0000 (16:24 -0700)]
Reset frame udpate flags after qp estimate in tpl
After the frame quantizer estimate run in tpl model, reset the
actual value assigned to the current coding frame. This would
avoid certain frame update flags being overwritten by different
frame types' update.
Yunqing Wang [Tue, 23 Oct 2018 19:30:13 +0000 (12:30 -0700)]
Use 8-tap interp filter in temporal filtering
Used 8-tap interp filter in temporal filtering to achieve more accurate
motion search result. Using 8-tap sharp gave slight better result than
using 8-tap regular.
Speed 0 borg test showed that
avg_psnr: ovr_psnr: ssim:
hdres: -0.160 -0.157 -0.173
midres: -0.083 -0.061 -0.183
lowres: -0.077 -0.099 -0.204
Speed test didn't see noticeable encoder time changes.
Jingning Han [Mon, 22 Oct 2018 16:28:04 +0000 (09:28 -0700)]
Use the proper gfu_boost factor to compute rd_mult
Update the Lagrangian multiplier according to the gfu_boost factor
assigned per frame. It improves the multi-layer ARF compression
performance (results below shown for speed 0):
Hui Su [Tue, 16 Oct 2018 03:45:07 +0000 (20:45 -0700)]
ML_VAR_PARTITION: enable at speed 5
When the ML_VAR_PARTITION experiment is turned on, replace
REFERENCE_PARTITION with ML_BASED_PARTITION at speed 5.
Coding gains(avg_psnr) compared to baseline:
ytlivehr 1.63%
ytlivelr 0.07%
Tested encoding speed with several clips from ytlivehr and ytlivelr
on linux desktop(rt, vbr, 4 threads). Encoder speed is on average
faster than baseline:
360p: 14% faster
720p: 7% faster
1080p: 1.5% faster
* changes:
Add do_motion_search
Preserve code of doing mv search in raster order
Variant implementation of changing mv search order
Add feature_score_loc_sort
Init mv_[dist/cost]_sum in init_tpl_stats
Change mv search order according to feature_score
Angie Chiang [Wed, 17 Oct 2018 20:56:42 +0000 (13:56 -0700)]
Preserve code of doing mv search in raster order
With this change, there will be three version of mv search scheme
on the codebase simultaneously.
We will do further experiment to evaluate which version is better
in terms of visual quality and coding performance.
Hui Su [Wed, 17 Oct 2018 15:40:26 +0000 (08:40 -0700)]
Enable rect partition search for HBD at speed 1
This patch enables rectangular partition search on speed 1 for high
bit depth encoding. The encoding speed loss is reduced thanks to
recently added speed features.
This only affects speed 1 high bit-depth encoding.
Urvang Joshi [Wed, 17 Oct 2018 18:48:10 +0000 (11:48 -0700)]
For keyframe-only coding do not boost in q mode
If we are using keyframe only coding - either coding a
single frame, or a sequence of keyframes - in the end-usage=q
mode, use the cq_level directly as the quality of each
coded frame, rather than boost them.
chiyotsai [Tue, 16 Oct 2018 19:26:34 +0000 (12:26 -0700)]
Refactor SSE2 Code for 4-tap interpolation filter on width 16.
Some repeated codes are refactored as inline functions. No performance
degradation is observed. These inline functions can be used for width 8
and width 4.
Yunqing Wang [Sat, 13 Oct 2018 00:21:23 +0000 (17:21 -0700)]
Optimize vp9_highbd_temporal_filter_apply_c
Following the previous patch:
(https://chromium-review.googlesource.com/c/webm/libvpx/+/1277913),
this patch modified the highbd version of applying temporal filter
in the similar way.
chiyotsai [Wed, 17 Oct 2018 00:50:37 +0000 (17:50 -0700)]
Add SSE2 support for 4-tap interpolation filter for width 16.
Horizontal filter on 64x64 block: 1.59 times as fast as baseline.
Vertical filter on 64x64 block: 2.5 times as fast as baseline.
2D filter on 64x64 block: 1.96 times as fast as baseline.
Angie Chiang [Tue, 16 Oct 2018 19:31:13 +0000 (12:31 -0700)]
Variant implementation of changing mv search order
We start mv search from the block with highest feature score, then
move on to the block's neighbors with with an searching order using
their feature scores.
We use max heap to help us achieve the functionality.
projects / libvpx / log