Block size passed into denoiser filter is always >= BLOCK_8X8 (in
vp9_pick_inter_mode), it is not necessary to check smaller block
size. Passed the bitexact test on clips with different resolutions and
noise levels.
Change-Id: I19fa3195d18c27d9e5de60dc11cff1522ef3714e
Fix will reset the consec_zero_mv map on non-skipped blocks with non-zero mv.
Adjust thresholds on consec_zero_mv in noise estimation and skin detection,
as more possible reset on map means lower thresholds should be used.
Change-Id: Ibe8520057472b3609585260b51b6f95a38fb777d
webm_read_frame is the only function now which requires
documentation for what the return value means (other two are quite
obvious - file_is_webm and webm_guess_framerate).
Change-Id: I7a4f7d8097b1d748812b2ee251ee718a0b5ce836
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
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
Resolved two TODO items.
Force a minimum value of 1.0 for frame duration as per section duration.
Column inactive zone is currently set to 0 as most of the serious issues
relating to inactive regions relate to letter boxing.
Change-Id: Ifbab3acf2c089d7305620a7ff7ed7c3536cc9235
In Aq mode 1 the segment and AQ delta for each block is based
on spatial variance. There may be a net imbalance between blocks
that have lower Q than the baseline value and those that have higher Q.
This patch monitors that imbalance and extends the allowed baseline
Q range for the frame to accommodate adjustment of that baseline value
to compensate.
Change-Id: Iae8a48c7c01fe2af94a141e149d03acf467237ca
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
Removed this todo because of another todo which says none of this code
should exist. It should be integrated into the block by block encode
process as per the decoder.
Change-Id: I076bd15140a060e69c014dd7d7cd07fea260aba3
For 1 pass vbr mode.
Increase the gf interval for case where average Q is close to
max and high overshoot is detected.
Small increase in overall avg_psnr/sssim metrics (~0.2/0.1%) for ytlive,
but improves the low-end (low bitrate) for several clips (less overshoot).
Change-Id: Ifba40f25b4861b2e0d9832c82d5359a6a3dce9f2
More even spacing near key frame and avoid gf on scene cut
if its close to key frame.
Small increase in metrics for ytlive set (which uses key-period=150).
(~0.2% gain)
Change only affects 1 pass vbr mode.
Change-Id: If1e5a59baf1e0befbaf998522fbc47d94ac5b5df
Change only affects 1 pass vbr.
Use a q value somewhat larger (~6%) than avg_frame_qindex[INTER]
as basis for active_best_quality for inter-frames.
And use the minium of this (avg_frame_qindex) and the active_worst_quality.
This reduces some overshoot in ytlive clips.
Overall small but positive average increase in metrics (up on average ~0.2%).
Change-Id: Icdbaae7872d5675fd38a13c0ec6ce0e2e3b919ce
