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The following quantization functions were moved:
vp9_quantize_b
vp9_quantize_b_32x32
vp9_highbd_quantize_b
vp9_highbd_quantize_b_32x32
vp9_quantize_dc
vp9_quantize_dc_32x32
vp9_highbd_quantize_dc
vp9_highbd_quantize_dc_32x32
The purpose of doing that was to allow these functions to be shared
by multiple codecs.
Change-Id: Id8ab939f283353cdd07bd930d47db3d932a5d87f
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The rounding factor needs to be scaled down by a factor of 2.
Also, the quantized and dequantized coefficients are memset to 0
when dc quantizer is used.
Change-Id: Ifa68bab02addbf1b83d249c5b4cbd5cda796b1cf
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This reverts commit 9946ee23e0a4c158e26a505b162a072f81b8a3be.
Fix the ssse3 asm function.
Change-Id: I07f77a63aa98087626e45c4e87aa5dcafc0b0b07
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This reverts commit e9b586e21bb899e247346e82bccf5afb42604910.
Change-Id: I5b36e6727da6c05278d97e2c37b80c109f79bed4
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zbin extra / zbin_oq_value was widely passed around,
hence removal touches a lot of code.
Change-Id: Idc94359735b60c38a160e4385ae09d5ca8b6b8e5
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Initial patch to remove get_zbin_mode_boost() and
cpi->zbin_mode_boost.
For now sets a dummy value of 0 for zbin extra pending
a further clean up patch.
Change-Id: I64a1e1eca2d39baa8ffb0871b515a0be05c9a6af
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Uses highbd_ prefix convention consistently.
Change-Id: I58f7f799a7ff8e32701bcd71c955bcf1cdd4581e
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Adds various high bitdepth transform functions and tests.
Much of the changes are related to using typedefs tran_low_t
and tran_high_t for the final transform cofficients and intermediate
stages of the transform computation respectively rather than fixed
types int16_t/int. When vp9_highbitdepth configure flag is off,
these map tp int16_t/int32_t, but when the flag is on, they map
to int32_t/int64_t to make space for needed extra precision.
Change-Id: I3c56de79e15b904d6f655b62ffae170729befdd8
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Change-Id: Ic5d3a3a0dac10b49495771886a31e793bb78b5ca
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This commit re-designs the quantization process for transform
coefficient blocks of size 4x4 to 16x16. It improves compression
performance for speed 7 by 3.85%. The SSSE3 version for the
new quantization process is included.
The average runtime of the 8x8 block quantization is reduced
from 285 cycles -> 255 cycles, i.e., over 10% faster.
Change-Id: I61278aa02efc70599b962d3314671db5b0446a50
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This commit enables a fast path computational flow for forward
transformation. It checks the sse and variance of prediction
residuals and decides if the quantized coefficients are all
zero, dc only, or more. It then selects the corresponding coding
path in the forward transformation and quantization stage.
It is currently enabled in rtc coding mode. Will do it for rd
coding mode next.
In speed -6, the runtime for pedestrian_area 1080p at 1000 kbps
goes down from 14234 ms to 13704 ms, i.e., about 4% speed-up.
Overall coding performance for rtc set is changed by -0.18%.
Change-Id: I0452da1786d59bc8bcbe0a35fdae9f623d1d44e1
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Change-Id: Ib89fe34812c17cd6294ce3c38f87d43a79abb16f
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Change-Id: I1324c339815a47004ddccdaf651d24c60382b92f
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Change-Id: I2a169535489aeda3943fb5a46ab53e7a12abaa36
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Change-Id: I9a38af32f16f196b83dd69755eafb9543edf5691
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Change-Id: I4f51ce859a97bf1b8fd2b37ac585b7c643232b69
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Its last remaining caller can be passed its results directly without any
additional work. Also, it's not non-4:2:0 safe.
Change-Id: Ia5089ba5f7f66c7617270483c619c9271aefd868
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Passing scan & iscan as parameters, adding useful local variables.
Change-Id: Ia2a87906941db9557350d273669ce5c3cdb7235d
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The pointer was asigned only once with vp9_regular_quantize_b_4x4, calling
this function directly now. Also removing unused declarations:
prototype_quantize_block
prototype_quantize_block_pair
prototype_quantize_mb
vp9_regular_quantize_b_4x4_pair
vp9_regular_quantize_b_8x8
Change-Id: I14325bc2f082336820671eafbc06126651b79f73
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Change-Id: Ie51306689c0dc527a8aa12d3984389dd8f360dea
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Cycle times:
4x4: 151 to 131 cycles (15% faster)
8x8: 334 to 306 cycles (9% faster)
16x16: 1401 to 1368 cycles (2.5% faster)
32x32: 7403 to 7367 cycles (0.5% faster)
Total encode time of first 50 frames of bus @ 1500kbps (speed 0)
goes from 1min39.2 to 1min38.6, i.e. a 0.67% overall speedup.
Change-Id: I799a49460e5e3fcab01725564dd49c629bfe935f
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This allows removing a large number of transform size specific functions,
as well as supporting 444/alpha by routing all code through the
subsampling-aware path.
Change-Id: Ieb085cebe9f37f24fc24de179898b22abfda08a4
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Creates a common encode (subtract, transform, quantize, optimize,
inverse transform, reconstruct) function for all sb sizes, including
the old 16x16 path.
Change-Id: I964dff1ea7a0a5c378046a069ad83495f54df007
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Files were copied from vp8 and never maintained.
Change-Id: I9659a8755985da73e8c19c3c984423b6666d8871
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There were 4 variants of the quantize loop in vp9_quantize.c, now
there is 1.
Change-Id: Ic853393411214b32d46a6ba53769413bd14e1cac
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More specifically, remove vp9_quantize_mb*, vp9_optimize_mb*,
vp9_inverse_transform_mb* and vp9_transform_mb*. Instead, use the
generic _sb* functions that take a size argument, and call them with
BLOCK_SIZE_MB16X16.
Change-Id: I33024afea95d3a23ffbc1df7da426e4645110f29
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Merge sb32x32 and sb64x64 functions; allow for rectangular sizes. Code
gives identical encoder results before and after. There are a few
macros for rectangular block sizes under the sbsegment experiment; this
experiment is not yet functional and should not yet be used.
Change-Id: I71f93b5d2a1596e99a6f01f29c3f0a456694d728
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Continue migrating data from BLOCKD/MACROBLOCKD to the per-plane
structures.
Change-Id: Ibbfa68d6da438d32dcbe8df68245ee28b0a2fa2c
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These are mostly just for experimental purposes. I saw small gains (in
the 0.1% range) when playing with this on derf.
Change-Id: Ib21eed477bbb46bddcd73b21c5c708a5b46abedc
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This also changes the RD search to take account of the correct block
index when searching (this is required for ADST positioning to work
correctly in combination with tx_select).
Change-Id: Ie50d05b3a024a64ecd0b376887aa38ac5f7b6af6
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Split macroblock and superblock tokenization and detokenization
functions and coefficient-related data structs so that the bitstream
layout and related code of superblock coefficients looks less like it's
a hack to fit macroblocks in superblocks.
In addition, unify chroma transform size selection from luma transform
size (i.e. always use the same size, as long as it fits the predictor);
in practice, this means 32x32 and 64x64 superblocks using the 16x16 luma
transform will now use the 16x16 (instead of the 8x8) chroma transform,
and 64x64 superblocks using the 32x32 luma transform will now use the
32x32 (instead of the 16x16) chroma transform.
Lastly, add a trellis optimize function for 32x32 transform blocks.
HD gains about 0.3%, STDHD about 0.15% and derf about 0.1%. There's
a few negative points here and there that I might want to analyze
a little closer.
Change-Id: Ibad7c3ddfe1acfc52771dfc27c03e9783e054430
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Consistent with VP8.
Change-Id: I8c316ee49f072e15abbb033a80e9c36617891f07
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Change-Id: I4f46d142c2a8d1e8a880cfac63702dcbfb999b78
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Change-Id: I615651e4c7b09e576a341ad425cf80c393637833
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Change-Id: I0df99742029834a85c4933652b0587cf5b6b2587
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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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This adds Debargha's DCT/DWT hybrid and a regular 32x32 DCT, and adds
code all over the place to wrap that in the bitstream/encoder/decoder/RD.
Some implementation notes (these probably need careful review):
- token range is extended by 1 bit, since the value range out of this
transform is [-16384,16383].
- the coefficients coming out of the FDCT are manually scaled back by
1 bit, or else they won't fit in int16_t (they are 17 bits). Because
of this, the RD error scoring does not right-shift the MSE score by
two (unlike for 4x4/8x8/16x16).
- to compensate for this loss in precision, the quantizer is halved
also. This is currently a little hacky.
- FDCT and IDCT is double-only right now. Needs a fixed-point impl.
- There are no default probabilities for the 32x32 transform yet; I'm
simply using the 16x16 luma ones. A future commit will add newly
generated probabilities for all transforms.
- No ADST version. I don't think we'll add one for this level; if an
ADST is desired, transform-size selection can scale back to 16x16
or lower, and use an ADST at that level.
Additional notes specific to Debargha's DWT/DCT hybrid:
- coefficient scale is different for the top/left 16x16 (DCT-over-DWT)
block than for the rest (DWT pixel differences) of the block. Therefore,
RD error scoring isn't easily scalable between coefficient and pixel
domain. Thus, unfortunately, we need to compute the RD distortion in
the pixel domain until we figure out how to scale these appropriately.
Change-Id: I00386f20f35d7fabb19aba94c8162f8aee64ef2b
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Change-Id: I9f0ae635fb9a95c4aa1529c177ccb07e2b76970b
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Change-Id: I2c252f3ddcc99e96c1f5d3dab8bcb25a2a3637ea
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Change-Id: Ia1cce221f8511561b9cbd8edb7726fbc286ff243
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Support for gyp which doesn't support multiple objects in the same
static library having the same basename.
Change-Id: Ib947eefbaf68f8b177a796d23f875ccdfa6bc9dc
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