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Change-Id: Id7f8654aeeb20caa402bc822521b1d72c658f4f9

This fixes all test vector failures

Change-Id: Ie1a9fe0f023f7a0c7e89eb55df1b40ff65302adc

Re-arrange the multiplication and right shift operations to avoid
integer overflow in choose_partitioning.

Change-Id: Ib4005cafb410a67c1960486471d75b6ebe38c4e0

Change-Id: Ifeb14f945d0f0300eb7b21b38e5720ac1c11a6cf

This commit removes the pred_mv_sad comparison from rtc motion
search, given that a stronger comparison has been done at the
mode search level to eliminate unlikely selected reference frames.

Change-Id: I49b8d24b2174303066fd8eff2102c0648f2869df

This commit enables the rtc coding mode to run integral projection
based motion search for golden reference frame. It improves the
speed -6 compression performance by 1.1% on average, 3.46% for
jimred_vga, 6.46% for tacomascmvvga, and 0.5% for vidyo clips. The
speed -6 is about 6% slower.

Change-Id: I0fe402ad2edf0149d0349ad304ab9b2abdf0c804

Make the vp9_int_pro_motion_estimation() function return zero
motion vector if high bit depth is turned on, instead of removing
it from compiled codes.

Change-Id: Ia48f010eb590b2d517d5678c394110b326a1a95e

Set flags=0 if layering_mode=0, and set static_thresh=1.

Change-Id: Id9874923b23966a2b1d0e83965add7d5c9d26d16

Change-Id: I0f983cb821ad7ec6fbefe7895cb8124a8fa39df6

Added clamp on the rate correction factor after
it has been scaled.

Change-Id: I5d4b46a101987b43c5bcfd7e0bd1b7b4d53640a4

Only update the rd_thresh factors for modes sharing same reference
frame. This helps overall compression of 6 and 7 by .13% and .19%
respectively without any noticeable speed difference.

Change-Id: Idb3a3879512c5d7d0880034516079949290690c5

Some rate control adjustments to control overshoot
in the constrained quality mode.

Change-Id: I8907b9a883642d779009d0a138adfa6ba67e7f41

For non-SVC 1 pass CBR: make the GF update interval a multiple of the
cyclic refresh period, and use encoding stats to prevent GF update at certain times.

Change-Id: I4c44cacc2f70f1d27391a47644837e1eaa065017

Tx_totals counters weren't handled correctly in multi-thread
case, which caused the mismatch while encoding using threads > 1.
This patch fixed that.

Change-Id: Ice9b0386f57175fb92a0bdcd5042686a3106246a

The return value from vp9_compute_qdelta_by_rate, which is
a delta value for the quantizer, could never be 0 if
(qindex == rc->worst_quality).

This occurs because target_index was setup unconditionally
in the loop and yet the loop counter stopped at
(rc->worst_quality - 1).

Change-Id: I6b59cd9b5811ff33357e71cd7d814c5e53d291f2

Choose_partition uses only the last frame as reference frame in making
partition decision, this commit adds the check on how well Golden
frame with (0,0) predicts the current block, and uses GF(0,0) as
basis for partition decision if it produces better prediction.

The commit improves rtc speed 6 and 7 encoding by 0.14% and 0.19%
respectively.

Change-Id: I156acf925bd6e0b586d48155d1940d27270a3915

Change-Id: I56b0614154408e8ec613784b2007374df00fbf17

When golden reference frame is refreshed, the next frame has both
its last and golden reference frames point to the same reference
frame in real-time coding mode. Experiments suggest that using
two separate reference frames for frames right after golden refresh
frame does not provide further compression performance advantage.
This commit hence retains the current encoder implementation and
shuts off the mode search over golden reference frame in this case.

It makes the encoder run slightly faster at no coding performance
change.

Change-Id: I1561f7799253a10e675d05c63c1749fe9e85b472

Force 64x64 partitioning when a whole superblock is SEGMENT_LVL_SKIP. This
drops encode times of screens mostly at rest by 20%.

Change-Id: Ieba554b0b8a0c1679aae784a8bd11f038ab942c3

Adjustment previously only enabled in VBR mode.

This patch allows adjustment of min and max q for CBR
and adjustment of max q only for CQ mode.

Change-Id: Id5e583f3d50453cd544fc57249acacd946457482

Change-Id: I619a2be502f1d2eb0ae746f7fcb465d19ddae048