Commit a4a5a210 enabled lossless coding, but the commit incorrectly
disabled the usage of skip in encoder even when skip should be used.
This commit make sure that skip is enabled even in lossless mode.
Change-Id: I276954f952c6ac68f17a316ebc72f09001228a08
Explicitly constrain the upper limit of motion search range (in the
unit of full pixel) to be [-1023, +1023]. It is intended to control
the effective motion search range for 4K sequences.
Change-Id: I645539c70885eec0f155781f439d97d333336e88
This patch followed "Rewrite filter_selectively_horiz for parallel
loopfiltering" commit, and added x86 SSE2 optimization to do
16-pixel filtering in parallel. Also, corrected the declaration
of aligned arrays. For 8-pixel-in-parallel case, improved the
calculation of the masks and filters. Updated the threshold loading
since the thresholds were already duplicated. Updated neon C functions
to call neon loopfilters twice.
Using tulip clip, tests showed it gave a ~1.5% decoder speed gain.
Change-Id: Id02638626ac27a4b0e0b09d71792a24c0499bd35
on arm until we implenment real vp9_idct32x32_34_add_neon.
This issue is due to commit 47665452f0
Merge "Add 32x32 idct function for eob<=34 case".
Change-Id: I56b5f0abc20e7dd1bba521f78a995e85d65ea296
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
The switch to the rate-correction damping factor
in https://gerrit.chromium.org/gerrit/#/c/67536/ was not conditioned on CBR mode.
Change-Id: I2326704e8ac030a4f7b592dd3fedb94c7dd0644d
The step that sums three input samples could potentially cause the
intermediate result go beyond 16 bit limit, when operating as the
second 1-D transform. This commit fixes the issue.
Change-Id: Iaf512449ac2d25ddd8a806d760afab362c62a516
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
As Jim suggested, 1D array was used to store filter levels instead
of 2D array. This used shift_y in setup_mask directly, and saved
few cycles.
Change-Id: If61ab298784861f1806b1cd396d4e4e2e0f097b9
