The version is currently producing different result from c version
for some input. Disable the use of it for now to allow time for
investigation the source of mismatch.
Change-Id: Id039455494ee531db4886a9f1fa4761174ef6df3
The default golden frame interval was doubled. After encoding a
frame, the background motion was measured. If the motion was high,
the current frame was set as the golden frame. Currently, the
changes were applied only while aq-mode 3 was on.
Borg tests(rtc set) showed a 0.226% PSNR gain and 0.312% SSIM gain.
No speed changes.
Change-Id: Id1e2793cc5be37e8a9bacec1380af6f36182f9b1
For color sampling format other than 420, valid partion size in Y may
not work for UV plane. This commit adds validation of UV partition
size before select the partition choice.
This fixes a crash for real time encoding of 422 input.
Change-Id: I1fe3282accfd58625e8b5e6a4c8d2c84199751b6
(see I3a05cf1610679fed26e0b2eadd315a9ae91afdd6)
For the test clip used, the decoder performance improved by ~2%.
This is also an intermediate step towards adding back the
mode_info streams.
Change-Id: Idddc4a3f46e4180fbebddc156c4bbf177d5c2e0d
The existing test was triggering a lot of false positives on some types
of animated material with very plain backgrounds. These were triggering
code designed to catch key frames in letter box format clips.
This patch tightens up the criteria and imposes a minimum requirement
on the % blocks coded intra in the first pass and the ratio between the
% coded intra and the modified inter % after discounting neutral (flat)
blocks that are coded equally well either way.
On a particular problem animation clip this change eliminated a large
number of false positives including some cases where the old code
selected kf several times in a row. Marginal false negatives are less
damaging typically to compression and in the problem clip there are now
a couple of cases where "visual" scene cuts are ignored because of well
correlated content across the scene cut.
Replaced some magic numbers related to this with #defines and added
explanatory comments.
Change-Id: Ia3d304ac60eb7e4323e3817eaf83b4752cd63ecf
PSNR HVS is a human visual system weighted version of SNR that's
gained some popularity from academia and apparently better matches
MOS testing.
This code is borrowed from the Daala Project but uses our FDCT code.
Change-Id: Idd10fbc93129f7f4734946f6009f87d0f44cd2d7
When the tokenization is not taking effect, the tokenization
pointer remains unchanged. No need to re-assign the backup pointer
value.
Change-Id: I58fe1f6285aa3b4a88ceb864c11d5de8ac6235dd
This patch limits the maximum arf interval length to
approximately half a second. In some low fps animations in
particular the existing code was selecting an overly long interval
which was hurting visual quality. For a sample problem test clip
(360P animation , 15fps, ~200Kbit/s) this change also improved
metrics by >0.5 db.
There may be some clips where this hurts metrics a little, but the
worst case impact visually is likely to be less than having an
interval that is much too long. On more normal material at 24
fps or higher, the impact is likely to be nil/minimal.
Change-Id: Id8b57413931a670c861213ea91d7cc596375a297
This reverts commit eb8c667570aa83134c7db0690de9dbdde4d90291.
The patch caused mismatch while using multi-threads.
Change-Id: Icd646340af25b5d91e32f03ed3ea212e00e3e0be
