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BUG=b/112292577
Change-Id: I8fc5711e44d0317e299aa49f781e9c438bba9d82
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Make new functions and move them to vp9_denoiser.c and
vp9_svc_layercontext.c
Change-Id: Ia34266ee2831d0f1316b7a641cbbf40fe64e1a0c
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Refresh all denoiser buffers on sync frame.
Add sync frame test with denoiser enabled.
Change-Id: I562a5ef5614b92a97565e6181a79eda51d9aeb99
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When golden was the inter-layer reference, a block that selected the golden ref
would not be denoised.
But when golden is used as a second temporal reference then we should denoise
blocks that select the golden reference.
This changes allows for that.
Change-Id: Ifdea2ac88f6a74f73520fedcd7fec2f32c559ec9
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Compiler -- gcc (Debian 7.3.0-5) 7.3.0
./libvpx/vp9/encoder/vp9_denoiser.c:374:9: assuming signed overflow
does not occur when assuming that (X + c) < X is always false
[-Wstrict-overflow]
for (j = 0; j < xmis; j++) {
Change-Id: Ib7397e718ff717bdabc088fc4c6e1771381fb522
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Denoise 2 spatial layes at most.
Add noise sensitivity level 2 for vp9 such that applications can control
whether to denoise the second highest spatial layer.
Add tests to cover this case.
Change-Id: Ic327d14b29adeba3f0dae547629f43b98d22997f
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so that the convolve functions are independent of table alignment.
Change-Id: Ieab132a30d72c6e75bbe9473544fbe2cf51541ee
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Change legacy vp8/9_write_yuv_frame to vpx_write_yuv_files.
Delete some flags that can be enabled during build.
To enable writing denoised YUV, use the following command line:
CFLAGS='-DOUTPUT_YUV_DENOISED' ./configure
--enable-vp9-temporal-denoising
For skinmap, use CFLAGS='-DOUTPUT_YUV_SKINMAP'
Change-Id: I236974ac8b3cf279d20c4dc7f6162d8b480b6528
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Change-Id: I9d201fa3a4b00ebd147b57ed519fab8d59b0a802
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Change the denoiser frame buffer management for SVC to more generally
handle the layer patterns in SVC (where last is not always refreshed).
This change is only for SVC with denoising and is bitexact.
Change-Id: Ic2b146a924cdf6e7114609158afa3d4880fe3fae
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When the superblock partition is based on the nonrd-pickmode,
we need to avoid the denoising. Current condition was based on
the speed level. This change is to make the condition at the
superblock level, as the switch in partitioning may be done at
sb level based on source_sad (e.g., in speed 6).
Change-Id: I12ece4f60b93ed34ee65ff2d6cdce1213c36de04
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When SVC is used, allocate alt-ref in denoiser.
Change-Id: I1b17221b55b9444cd23b97d481b54ff8d296d857
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For fixed pattern SVC: keep track of denoised last_frame buffer
for base temporal layer, and if alt_ref is updated on middle/upper
temporal layers, force an update to denoised last_frame buffer.
This allows for improved denoising on top temporal layers.
Change-Id: Icbd08566027d4d2eabc024d3b7a0d959d2f8c18b
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Denoiser is used in real-time mode which does not use alt-ref.
Reduce memory usage when denoiser is enabled.
Change-Id: I54ba3bcaeeb1818bbdf718ef90e97d4897ff793d
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Increase the partition and acskip thresholds for temporal
enhancement layers.
~1-2% speedup, with negligible loss in quality.
Change-Id: Id527398a05855298ad9ddac10ada972482415627
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Fix the overflow for subtraction between two unsigned integers.
BUG=webm:1432
Change-Id: I7b665e93ba5850548810eff23258782c4f5ee15a
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Add a low-variance high-sumdiff to the superblock content state
and use it to limit the mv and bias some decisions in non-rd pickmode.
Only affects speed >= 6.
Reduces artifact for lighting changes.
Small/no difference in metrics on RTC set.
Change-Id: Ic84b2379fe0ae3fa71ae826ee6bae3eaf551a25b
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Move the condition for effectively disabling the denoising
for speed 5 into the vp9_denoiser_denoise().
This is cleaner, and also moving the condition into vp9_denoiser_denoise
will keep the denoiser buffer updated with the current source.
This allows for more consistent behavior if speed is changed midstream.
Change-Id: Ia001f591c56e454bf724c3ae73c024badb183ef8
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Issue/bug happens for denoising with spatial layers, where
the golden (spatial) reference is used in pickmode, but
denoising is only done wrt to last (temporal).
Fix is to make sure set_ref_ptrs is set before build predictors
in denoiser.
Change-Id: I793cf441341edf7c4a88b8ab1e1b22b3cb0eb508
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Change-Id: Iaf55cfb5e9621d074eb33d6a32f184e4777968f8
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BUG=webm:1391
Change-Id: I9669ae62fe9c695d4c6f9973094cb0f39bed51c7
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Fix the update of the denoiser buffer when the base
spatial layer is a key frame. And allow for better/lower
QP on high spatial layers when their base layer is key frame.
Change-Id: I96b2426f1eaa43b8b8d4c31a68b0c6d68c3024a2
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Increase the variance partition thresholds for superblocks that
have low sum-diff (from source analysis prior to encoding frame).
Use it for now only for speed >= 7 or for denoising on.
Small change on metrics for rtc set: less than ~0.1 avgPNSR decrease
on RTC set, for both speed 7 and 8.
Change-Id: I38325046ebd5f371f51d6e91233d68ff73561af1
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Add factor to increase varianace partition and ac skip thresholds,
under certain conditions (noise level and sum_diff), to increase
denoiser speed.
Change-Id: I7671140ef3598bf5f114a72623d68792bcd7b77b
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Skip denoising for blocks < 16x16, and for block = 16x16
skip denoising for low noise levels and width > 480 for now.
Allow for some speed-up in denoiser.
Change-Id: Ib46cefe4741962d145fa08775defea3a9c928567
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If enabled denoiser will only denoise the top spatial layer for now.
Added unittest for SVC with denoising.
Change-Id: Ifa373771c4ecfa208615eb163cc38f1c22c6664b
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Change-Id: I45d9fb4013f50766b24363a86365e8063e8954c2
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BUG=webm:1267
Change-Id: I899fc9e8d784c6eefcbe27945c619845adb7b6f0
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In VP9 internal denoiser, motion magnitude is computed from
best_sse_mv, which should be set to 0 at the begining. This bug may
cause visual aritifact in denoiser. Also, delete two improper comments.
Change-Id: I8710d2acba23320bc85cf72af17d65245c19438b
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Need to check that sse for non-zero mv has been set for the current block
(i.e., check that nonzero-mv is tested as a mode, so newmv_sse != UINT_MAX)
before forcing to not use zero-mv for denoising.
Also increase some thresholds (sse and sse_diff) for high noise case,
and use shift operaton instead of multiplication on a threshold computation.
Change-Id: Iae7339475d57240316b7fa8b887c4ee3c0d0dbec
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Change-Id: Ib47d742d07f13c7c39cea85e228c19ae298baf4a
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So it can be used even with aq-mode=3 not enabled.
Also cleans up some code in the places where its used.
No change in behavior.
Change-Id: Ib6b265308dbd483f691200da9a0be4da4b380dbc
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Avoid copy-block when denoising is at LowLow level (i.e., no denoising is done).
Instead, don't enter denoiser at all, and when level goes back up over kLowLow
do a reset in denoiser.
Change-Id: I0544adf58f4dd51ecc4a4607fcb0353bfbbb7a59
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This make it more likely clean/low-noise content will
be set as LowLow, and hence no denoising will be done.
Also set early exit on denoising for small blocks.
Change-Id: I4a72bba3e6c5e2d523d304c39deacc9c39bf216c
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Some cleanup and bugfix: pass mi_row/mi_col (not mv_col/mv_row)
to build_inter_predictors. This only affects case where
the frame is resized, but since denoising is not done on resized
frames, the fix has not effect currently.
Change-Id: I36617a7f0b43b6f49976745f15d400977e6ffa46
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Change-Id: I250258fc70ec0fcf1b501708c5d4b84685cf882e
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Change-Id: Ibe4e1207c0db1779e1358f4566da67c9a07bdb15
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Add consec_zeromv to skin detection.
Reduces false detection in steady background areas.
Change-Id: Ic31c831537d29f082f58477f82ed78f313d7dd30
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Change-Id: I6c99ac6fd3735e24cf668479c55bff313c0b4970
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Change-Id: Ic5af41db58a3daad4103175b4b4b9300675020c0
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Change-Id: Ifa607dd2bb366ce09fa16dfcad3cc45a2440c185
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More aggresive on avoiding denoising on skin.
May supplement this later by adding condtion onn consec_zeromv.
Change-Id: Ied92b332f9b24e821d2009f81d1565758588d9a5
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Add function to compute skin map for a given block, as its
used in several places (cyclic refresh, noise estimation, and denoising).
Change-Id: Ied622908df43b6927f7fafc6c019d1867f2a24eb
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Under certain denoising conditons, check for re-evaluation of
zero_last mode if best mode was golden reference.
Change-Id: Ic6cdfd175eef2f7d68606300c7173ab6654b3f6e
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For denoising, and for noise level above threshold, re-evaluate
ZEROMV for mode selection after denoising.
Current change only does this check if selected best mode (before denoising)
was intra.
Change-Id: I4b1435b68d26c78f7597b995ee7bff0ddd5f9511
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zeromv_lastref_sse was not reset.
Change-Id: I23c12e804d63dc7dc18514f6efe71de1d1acbd6a
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Change-Id: I6a360a12e8da8cdcb8a779647512591612d64f31
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