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We only update partition_probs for inter frames but they are constant
for key frames. It is not necessary to have constants inside frame
context and copy them every time. This change reduces FRAME_CONTEXT size
by at least 48 bytes.
Change-Id: If70a53be51043f37fe7d113853217937710932a7
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Change-Id: I9781a62bc1a4cd9176554d1271d87dbcafda9cb0
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Using TREE_SIZE for the following trees:
vp9_intra_mode_tree
vp9_inter_mode_tree
vp9_partition_tree
vp9_switchable_interp_tree
vp9_mv_joint_tree
vp9_mv_class_tree
vp9_mv_class0_tree
vp9_mv_fp_tree
Change-Id: I0212bb4c1ee6648249f68517e28a67a56591ee1b
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Values of MODE_UPDATE_PROB and VP9_COEF_UPDATE_PROB are equal, so replacing
them with one constant. Inlining appropriate arguments for functions:
vp9_cond_prob_diff_update (encoder)
vp9_diff_update_prob (decoder)
Change-Id: I1255a1cb477743b799b3bfbbcd8de6b32b067338
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Function list:
tx_counts_to_branch_counts_32x32
tx_counts_to_branch_counts_8x8
tx_counts_to_branch_counts_8x8
update_ct
update_ct2
update_mode_probs
Change-Id: I120d8945a34378cf285d6bd415e23de1d522cf2f
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Change-Id: I302ab4603553352a84b57bc89bc9e3d037978d29
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stragglers
Change-Id: Ib1e853f9a331b7b66639dc34d79568d84d1930f1
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Change-Id: I481d9bb2fa3ec72b6a83d5f04d545ad8013f295c
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VP9_COMMON is the right place to segmentatation struct because it has
global segmentation parameters, not something specific to macroblock
processing.
Change-Id: Ib9ada0c06c253996eb3b5f6cccf6a323fbbba708
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This changeset allows to remove vp9_switchable_interp and
vp9_switchable_interp_map arrays and make code much clear. Actually we
still have to use these mapping but only inside read_interp_filter_type and
write_interp_filter_type functions.
Change-Id: I4026c6f8c4acefba6c81421b7bacbaa52cc45f50
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Using inter-mode counts instead of inter-mode-tree branch counts inside
FRAME_COUNTS structure.
Change-Id: I60dde13af37d06146d7d15543311c1b5044e9e04
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Change-Id: I6aa4191935aa93461a07c41b59fdae1eb5f5f107
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Change-Id: I0625d8ffddf590dfecd1bb8b8d6f57ef64b8bf18
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Removing unused constants, macros, and function declarations. Using
ROUND_POWER_OF_TWO macro, vp9_zero, vp9_copy where possible. Moving
#include from *.h to *.c. Merging for loops for motion vectors.
Change-Id: Ic3bf841764a2bb177128bb3a6d7aa8f68229cd13
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Moving code from vp9_adapt_mode_context to vp9_adapt_mode_probs.
Change-Id: I60829c30b28968cd813551ef3a206dfb98d323c9
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Change-Id: I21ee76bcae101cc9f6ef1d867622e50b7ae565fc
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All filters are interpolating now, so we don't need this array, all
values from this array are evaluated to true.
Change-Id: I9af6d8219ae0eb984063cd15e4e2296374ae4961
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Changing fc->tx_probs back to fc->pre_tx_probs. This change actually
affects the bitstream but current test vectors work. Chrome branch is not
affected at all. Broken since:
cc662dd Adding struct tx_probs and struct tx_counts to cleanup the code.
Change-Id: I36dd4b3678e902e10aba8dd49b0012eb558c209d
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Renaming vp9_sb_mv_ref_tree to vp9_inter_mode_tree, and
vp9_sb_mv_ref_encoding_array to vp9_inter_mode_encodings.
Change-Id: I0e91fbf81350d3ec5a2599064c74089b5d06133a
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These arrays have constant values (no any updates). Removing two
corresponding memcpy calls. Making a little cleanup in vp9_entropymode.h
as well: removing redundant 'extern' keyword and moving all function
declarations at the end.
Change-Id: Ia16b38b46aec2e2500f5df29c40a297ae241dede
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Removing vp9_modelcontext.c.
Change-Id: If2316c58dead2708d9f95b52d9494ba4c1dd7427
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Also removing unused declarations from vp9_entropymode.h file.
Change-Id: Ib9c5826db3584a32f6bb3297a76c522b99d83402
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* New probs for subpel filters/tx_count
* Makes a change to not reset to defaults for the tx_size
probs if an intermediate frame reverts to using a fixed tx_size.
* A few updates to the parameters for backward adaptation for mode/mv
* some cosmetic cleanups
derf300: +0.06%
Change-Id: I22994d659bc31ca7a4fc8820fde24001e64a2920
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Reduces TX_SIZE contexts to 2 for each kind. The code is
cleaner and there is hardly any performance difference with
more than two contexts.
Results: almost neutral
Change-Id: I17656bd6db76224ae2856adf882504560e7dbaa4
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Adds coding of transform size within a frame by use of context
of transform sizes selected in left and above blocks.
Also incorporates code for generating stats.
TODO: generate and incorporate new default stats
Change-Id: I6a7af099f6ad61d448521d9a51167aedaf638ed6
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Changes to the coding of transform sizes, along with forward
and backward probability updates.
Results:
derf300: +0.241%
Context based coding of transform sizes will be in a separate
patch.
Change-Id: I97241d60a926f014fee2de21fa4446ca56495756
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Split partition probabilities between keyframes and non-keyframes,
since they are fairly different. Also have per-blocksize interframe
y intramode probabilities, since these vary heavily between different
blocksizes.
Lastly, replace default probabilities for partitioning and intra modes
with new ones generated from current codec. Replace counts with actual
probabilities also.
Change-Id: I77ca996e25e4a28e03bdbc542f27a3e64ca1234f
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NO bitstream change
Change-Id: I79f6146dac5fdd157051b6f8dc611c0b7b5e5f7f
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These are now merged in a new define called VP9_INTRA_MODES.
Change-Id: I0890f895756a7395d84c92f98f43e43f4cf9050d
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Also merge all counters. This removes a few unused probability updates
from the bitstream.
Change-Id: I20f58853e9dac84d8c0d9703ae012c55917516eb
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Change-Id: Ic40d56fb162f4e201547dfae33e62ccd9e865889
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1. remove prediction mode conversion
2. unified bmode, same for key and non-key frame
3. set I4X4_PRED count for pdf to 0, as I4X4_PRED is no longer
coded ever. It is determined by ref_frame and block partition
Change-Id: If5b282957c24339b241acdb9f2afef85658fe47d
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Also do per-partition motion vector referencing in <sb8x8 partitions,
and adjust mvref finding for sub8x8 partitions.
Change-Id: Id3ed1ed4d2a8910d11d327db6cc63b8eb79f941f
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Replace vp9_kf_default_bmode_counts structure with
direct default probabilities. The probability structure is
smaller and it removes the need to specify in the bitstream
how to convert the counts to probabilities.
Note that I have concerns still about the size and value of
the large intra mode context. This may cause problems for
HW but it also means we rely heavily on reverse update as
forwards update of a structure this size is problematic. I
intend to review this more generally in the next few days to
see if we can come up with a competitive solution that does
not rely on such a large context.
Change-Id: I0a36071079d5d26a57ab0e9fbf91af4199aa7984
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Delete code under the CONFIG_COMP_INTERINTRA_PRED
flag.
Change-Id: I3d1079cf46305c08f7e11d738596ea112e7b547f
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Pull sb8x8 out of experimental list. verified via borg run tests.
Fixed unit test failures.
Change-Id: I12a4bbd17395930580c048ab68becad1ffe46e76
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Work-in-progress, not yet ready for review. TODO items:
- bitstream writing (encoder) and reading (decoder)
- decoder reconstruction
Change-Id: I5afb7284e7e0480847b47cd0097cb469433c9081
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Enable recursive partition information coding from SB64X64 down to
MB16X16. The bit-stream syntax is now supporting rectangular block
sizes. It starts from SB64X64 and recursively describes the partition
type of the current block. If the partition type is PARTITION_NONE,
the block is coded as a single unit; if it is PARTITION_HORZ or
PARTITION_VERT, the block is segmented into two independently coded
rectangular units, with no further partition needed; otherwise, the
block is segmented into 4 square blocks. i.e., PARTITION_SPLIT case,
each can be potentially further partitioned.
Forward adaptive probability modeling is used for the partition
information coding, conditioned on the current block size.
Change-Id: I499365fb547839d555498e3bcc0387d8a3587d87
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Change-Id: If69c3d795f87af5cc7bfdfe70ef733c41b4d55c8
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Change-Id: I4fa46f10e82aca36c563f7ea829e5a3177a0c740
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Refactors the switchable filter search in the rd loop to
improve encode speed.
Uses a piecewise approximation to a closed form expression to estimate
rd cost for a Laplacian source with a given variance and quantization
step-size.
About 40% encode time reduction is achieved.
Results (on a feb 12 baseline) show a slight drop:
derf: -0.019%
yt: +0.010%
std-hd: -0.162%
hd: -0.050%
Change-Id: Ie861badf5bba1e3b1052e29a0ef1b7e256edbcd0
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Adds an error-resilient mode where frames can be continued
to be decoded even when there are errors (due to network losses)
on a prior frame. Specifically, backward updates are turned off
and probabilities of various symbols are reset to defaults at
the beginning of each frame. Further, the last frame's mvs are
not used for the mv reference list, and the sorting of the
initial list based on search on previous frames is turned off
as well.
Also adds a test where an arbitrary set of frames are skipped
from decoding to simulate errors. The test verifies (1) that if
the error frames are droppable - i.e. frame buffer updates have
been turned off - there are no mismatch errors for the remaining
frames after the error frames; and (2) if the error-frames are non
droppable, there are not only no decoding errors but the mismatch
PSNR between the decoder's version of the post-error frames and the
encoder's version is at least 20 dB.
Change-Id: Ie6e2bcd436b1e8643270356d3a930e8989ff52a5
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This experiment gives little gains and adds relatively much code
complexity (and it hinders other experiments), so let's get rid of
it.
Change-Id: Id25e79a137a1b8a01138aa27a1fa0ba4a2df274a
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Removed the experimental flag from around the prediction filter.
Change-Id: Ic1dd2db8fe8ac17ed5129f83094d4c5cdd5527d2
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This patch removes the old pred-filter experiment and replaces it
with one that is implemented using the switchable filter framework.
If the pred-filter experiment is enabled, three interopolation
filters are tested during mode selection; the standard 8-tap
interpolation filter, a sharp 8-tap filter and a (new) 8-tap
smoothing filter.
The 6-tap filter code has been preserved for now and if the
enable-6tap experiment is enabled (in addition to the pred-filter
experiment) the original 6-tap filter replaces the new 8-tap smooth
filter in the switchable mode.
The new experiment applies the prediction filter in cases of a
fractional-pel motion vector. Future patches will apply the filter
where the mv is pel-aligned and also to intra predicted blocks.
Change-Id: I08e8cba978f2bbf3019f8413f376b8e2cd85eba4
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For coefficients, use int16_t (instead of short); for pixel values in
16-bit intermediates, use uint16_t (instead of unsigned short); for all
others, use uint8_t (instead of unsigned char).
Change-Id: I3619cd9abf106c3742eccc2e2f5e89a62774f7da
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Change-Id: I2c252f3ddcc99e96c1f5d3dab8bcb25a2a3637ea
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Change-Id: Ia1cce221f8511561b9cbd8edb7726fbc286ff243
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