Simplifies the code by implementing band mapping with static arrays.
A lot of the code complexity introduced in a previous patch
disappears.
Change-Id: Ia3fac36e594fb5ad2d55ae141c58bba4c55c2d28
Overall change (using dual buffer scheme for superblocks of both inter
and intra modes) reduces speed 2 runtime:
bluesky_1080p at 6000kbps: 263553ms -> 257441ms
riverbed_1080p at 8000kbps: 233230ms -> 225308ms.
Change-Id: Idf8d70f768a4b0d97b2a8506372c57b7b4022119
Implements scan order to band map with arrays in both the encoder
and decoder to remove conditional statements.
Encoding seems to be about 1% faster at speed 0, tested on football.
Decoding seems to be about 0.5-1% faster on a set of 25 videos.
Change-Id: Idb233ca0b9e0efd790e30880642e8717e1c5c8dd
This commit enables the dual buffer rate-distortion optimization
and encoding scheme. It stacks the original transform coefficients,
quantized levels, and reconstructed coefficients, in the rate-
distortion optimization search process, hence eliminates the need
to re-run residual generation, forward transform, and quantization
in the encoding stage.
Change-Id: I011bfad3a59a380a869ee552e91dae0394ec492e
We only used "ib" to call get_scan() function, which in turn calls
get_tx_type_4x4() function. The latter one only needs block index if
bsize < BLOCK_8X8 -- under that condition raster_block == block.
Change-Id: I697306a0c3cf937acdd4f5e623d4367c5acc0b2f
The term x represents macroblock pointer across encode_block. Change
the two local variable names to avoid confusion.
Change-Id: Ic732e73023525d673c0a678ed2708ac1edf5a3f9
This commit makes zcoeff_blk cache the case where the entire block
is quantized to be zero (without applying zero-forcing) in the rate-
distortion optimization loop, and skip the forward DCT, quantization,
inverse DCT, and reconstruction process in the encode_block stage.
It now works for all the block sizes, including sub8x8 blocks.
Change-Id: I5ae60a9c436ba3637d11666733554bec4580ef98
Adding these functions to encapsulate tx_type check. Changing TX_TYPE to
int to match the declaration in vo9_rtch.h.
Change-Id: I6f3a2df6e35595ca73b6aaa9e3909ee7bc3fd16f
The encode_block for pass 1 takes simpler functionalities and can
save a few branches. The main reason is to make encode_block only
used after running rate-distortion optimization search in pass 2,
hence allowing dual buffer stack approach later.
Change-Id: I9e549ffb758e554fe185e48a07d6e0e01e475bcf
Just making fdct consistent with iht/idct/fht functions which all use
stride (# of elements) as input argument.
Change-Id: I0ba3c52513a5fdd194f1e7e2901092671398985b
Just making fdct consistent with iht/idct/fht functions which all use
stride (# of elements) as input argument.
Change-Id: Ibc944952a192e6c7b2b6a869ec2894c01da82ed1
Just making fdct consistent with iht/idct/fht functions which all use
stride (# of elements) as input argument.
Change-Id: I2d95fdcbba96aaa0ed24a80870cb38f53487a97d
Just making fdct consistent with iht/idct/fht functions which all use
stride (# of elements) as input argument.
Change-Id: Id623c5113262655fa50f7c9d6cec9a91fcb20bb4
* changes:
Use a separate MODE_INFO stream for each tile column
Get rid of "this_mi", use "mi_8x8[0]" everywhere instead
Make the static_segmentation feature work again
The only case where they were intentionally pointing to different
structures was in mbgraph, and this didn't have the expected behavior
because both of these pointers are used interchangeably through the code
Change-Id: I979251782f90885fe962305bcc845bc05907f80c
Moving code that gets band_translate array from get_scan_and_band()
function to get_band_translate() function. Renaming get_scan_and_band() to
get_scan().
Change-Id: I43047c205a1ca2a6e24be44db39dc04b7a385008
We already have itxm_add member in MACROBLOCKD structure. Both
inv_txm4x4_1_add and inv_txm4x4_add are just its special cases for
different eob values. But eob logic is already implemented in
vp9_iwht4x4_add and vp9_idct4x4_add (that's why also removing
inverse_transform_b_4x4_add).
Change-Id: I80bec9b6f7d40c5e5033c613faca5c819c3e6326
