GitLab

This removes a workaround, which is not needed anymore
now that the choice of coding path is done in aomdec.c
instead of decode_frame.c.

BUG=aomedia:620

Change-Id: I42acdd51036461c23fdaa69324e0415b53ee74fa

These are left over from before the EC_MULTISYMBOL experiment was
 adopted.

Change-Id: I3dd1e4bfd3ee262c8d2a36c6d264b66a55e477c7

Change-Id: Idcc16f6d399c457a5950319483d95f4b38ff6a71

When computing CFL's prediction block level DC_PRED,
We can't assume that the neighbor will use the same
transform size. As such, we don't know what pixels
are available outside of the frame. A simple
solution is to stop computing DC_PRED at the block
boundary.

Results on Subset 1 ( Compared to 9c6f8547 with CfL enabled)
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.0015 | -0.0026 | -0.0025 |  -0.0034 | -0.0008 | -0.0044 |     0.0019

Change-Id: I00ed4114e5c5871fdc7222fa2000474eb11d33e0

The function cfl_compute_parameters is added and contains the logic
related to building the CfL context parameters. As such, many cfl
functions can now be encapsulated inside of cfl.c and not exposed to the
rest of AV1.

This also allows for supplemental asserts that validate that the CfL
context is properly built.

Results on Subset1 (compared to 9c6f8547 with CfL)

  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0000 |  0.0000 |  0.0000 |   0.0000 | 0.0000 |  0.0000 |     0.0000

Change-Id: I6d14a426416b3af5491bdc145db7281b5e988cae

Cleanup related unit-tests.

Change-Id: Ic756e6bbad80f5b9947ca1cdd55cdef77b985f81

This tool is a gadget for offline probability training.

A binary executable aom_entropy_optimizer will be generated in
tools/. It parses a binary file consisting of counts written in
the format of FRAME_COUNTS in entropymode.h, and computes the
optimized probability table, which will be written to a new c file
optimized_probs.c using the format in entropymode.c.

Command line:
./aom_entropy_optimizer [directory of the count file]

The input file can be either be generated from a single run by
turning on entropy_stats experiment(counts are accumulated from
frame to frame, and finally written to counts.stt), or be collected
at a larger scale, at which a python script (will be provided soon)
can be used to aggregate multiple stats output.

Optimization for initial CDFs will be also supported later.

Change-Id: I32070721aa8059439feb6b5a3a179f1001c66bb7

Change-Id: I25ae2f7df1d1b53f3615a193017ab451afaf61fc

fixes build of performance tests

Change-Id: I64565b46f2d39c935dc6f635570fb88d496faac3

Change-Id: Id5c3df752528a3ea74e655b3d18a5d6f258a2238

Added: CONFIG_NCOBMC_ADAPT_WEIGHT CONFIG_BGSPRITE
Changed, 0 => 1: CONFIG_SMOOTH_HV

Change-Id: Ifc76266d1fd9175b053109699aaf6f02415a2519

BUG=aomedia:579

Change-Id: I41731a71e25db429a78512a72afed10b6929da70

Change-Id: Iaae46d0735539b8b8daf9faac81c2a3434838020

this version has the prototype, but will fail at link time

Change-Id: I67a11c2b131313ebb9380aece988cd7805223cbe

Currently, trellis optimization is performed in
av1_tx_block_rd_b when var-tx is enabled even when DISABLE_TRELLISQ_SEARCH
is set to 1.

The drop in performance when DISABLE_TRELLISQ_SEARCH is set to 1 is
1.8% on lowres

Change-Id: I89e26d4d4f57944db11b528d0e10048ae650d8a1

Change-Id: I148f8c7045d179c0a1ba7f1fe33b859f66bfc7f3

Change-Id: Ie721eaf58d0716e340b9ebdff9fd215cfe0c3c2a

Change-Id: I711cd173af501ba955e889d1e2205125615a99fd

Support the transform block kernel coding for rectangular
transform block size in var-tx. This integrates txk-sel with
var-tx.

Change-Id: I9a8edd84812168f56c79b78cc9af34f6304b1d54

Change-Id: I2e5191d0274776521ec7e3a2f79468dc86adb9e0

Change-Id: I1dcf3bd33645aed3347301149808c157eeb44cad

Define the syntax and entropy coding templates for
NCOBMC_ADAPT_WEIGHT. The actual values of the default
probabilities and the index tree structure need to
be fine tuned.

In this experiment all mv's in a superblock are sent
first as in the ncobmc case.

Change-Id: I68d50d3d27346c2847ea449a1168c6a99fbb4d3d

Work in progress to generate ARF with stitched background image.

Change-Id: I2fea75bbe5ac6f713f53eb5825776dadfc1d98c5

This experiment was provisionally adopted on 2017-06-27.

Change-Id: Ic7eb232b8187133f59956eed09e5f5de02c0986e

This change does not impact the bitstream, it changes how to distortion
is summed when evaluating alpha. The sum is still taken over the entire
partition. However, instead of iterating over the entire surface all at
once, CfL now iterates over each transform block. This is in light of
future work to compute alpha over transform blocks and not prediction
blocks.

Results on Subset1 (compared to 9c6f8547 with CfL)

  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0000 |  0.0000 |  0.0000 |   0.0000 | 0.0000 |  0.0000 |     0.0000

Change-Id: Ic7b72201d29ad6b2527748e35b212bec515e3bdb

Includes reordering and other clamping changes, as well as
changes to reduce multiplier precision.

cam_lowres (60 frames): -0.092% BDRATE improvement in
--disable-cdef --disable-global-motion --disable-ext-tx
configuation.

Change-Id: I0660c45b44fcd5a193534d8dadd1aa1ae5c5e27a

We are going to have several commits to setup new low/high
bitdepth data path selection logic. This patch is for inverse
transform. Let me summarize the ideas as following.

- For low/high bitdepth selection, encoder depends on
  input configuration, e.g., video sequence bitdepth,
  profile. Decoder depends on input bitstream. This has
  nothing to do with compiler/build  configuration.

- Typical encoder usage for sampling format 4:2:0.
  1) 8-bit video sequence:
   a) --profile=0
   Fastest encoding/decoding pipeline on speedup.

   b) --profile=2 --bit-depth=10
   Image pixels are left shifted by 2 bits. It
   employs 16-bit reference frame buffer and has high
   calculation precision. It usually enjoys higher
   compression performance.

  2) 10/12-bit video sequence (HDR):
   --profile=2 --bit-depth=10/12

- Transform coefficient type:
  Lowbitdepth:  int16_t
  Highbitdepth: int32_t

- The type, tran_low_t is still used in codebase,
  Which is int32_t, defining the data path capacity.
  Naturally, it is high bitdepth.

Eventually we shall remove the configuration flags,
CONFIG_HIGHBITDEPTH/CONFIG_LOWBITDEPTH, and seperate
low and high bitdepth data path. Two data paths co-exist
in the same build environment.

Change-Id: I35c06d4d4f19ebf80d909168fdddbae57c3cc884

Change-Id: I348dfd1f8b555306a3fb625bf2303f9cd2649e07

Patch b1bedf5f converted the three writes in bitstream.c that
specify an extended transform from using av1_write_token (encoded with
probability trees) to aom_write_symbol (encoded with CDFs).

That patch fixed up the two reads in decodemv.c but didn't fix up the
corresponding read in decodeframe.c. This patch does so.

The patch also fixes up a write of a (non-extended) transform when not
CONFIG_EXT_TX and the corresponding read.

Change-Id: Ibf5dcfcf3e7122f08dd0ef8616fb0ecddb95d99a

Support transform block level kernel selection in the recursive
transform block partitioning search.

Change-Id: I511c39705ee636b0c9fabbe4720fe5a9764b964a

Make the block index use cases consistent in the recursive
transform block partition.

Change-Id: I57778acfab73c786a1db8c8b9110d56ce6df4854

mi[0] is not set properly when encoding all mvs in a
super-block first. After this patch NCOBMC can function
properly.

Change-Id: I149a50184c4823c0d3b82b6b21c7608e639668e6

This change makes the conversions similar to those in av1_quantize.c,
and fix ubsan warnings shown in nightly tests.

Change-Id: I90851a80dcb9f052a32bf22199fd9ef8ff927725

added in:
193422e7 Add avx2 highbd_quantize_b

Change-Id: Ie4ba48042ffd36d69d2bf200bba12a1d924c8f9c

Change-Id: Idafef140d3425a9a9f66cb8864a804c4d2a89a70

Change-Id: Iaf9e8192905ea24946d6e2831be5739eaa564fae

The var-tx has its own suite of tx size/type RD search functions,
which recursively split the partition into square tx blocks.

The Daala-dist requires access to 8x8 pixels (both decoded and predicted)
since it measures the distortion for multiple of a 8x8 pixels.
Thus, if tx block is smaller than 8x8, it waits until all of sub8x8 blocks
are RD searched (with MSE) then replaces the MSE of 8x8 pixels with
daala-dist's calculated distortion for 8x8 pixels.

It is also applied to luma pixels only.

Change-Id: Ic4891e89b4ef05cf880aa26781d2d06ccf3142de

In previous ADSTs, DST-7 and DST-4 are used for length 4 and length
8/16/32, respectively. In this LGT experiment we explore transforms
between DST-4 and DST-7. When CONFIG_LGT flag is on, adst4 and adst8
are replaced by lgt4 and lgt8, the intermediate transforms with
pre-chosen parameters.

The LGTs applied here are lgt4_160 and lgt8_170, where the numbers
mean the self-loop weights times 100. The associated values for DST-7
and DST-4 are 100 and 200.

ovr_psnr:
lowres: -0.140
midres: -0.131
hdres: -0.078

These changes are not applied to the highbd scenario in the
current version.

Change-Id: I20600456da8766528b2b6b11aa28801e70af498e

- If invisible pixels, av1_daala_dist() simply use source pixles for dst.
- Added av1_daala_dist_diff() which inputs diff signal instead of dst.

- Refactored daala_dist code so that av1_daala_dist() and _diff()
is called inside av1's distortion calculation functions, pixel_sse() and
sum_squares_visible().

Change-Id: Id857db52fe19856d92c46a9e84ac2962c01ae045

BUG=aomedia:623

Change-Id: I158072895adb8a9f5f177b8146f3beec265d7406