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Cherry picked from libvpx: 511da8cb

Change-Id: I4f4132235495adcd445690d8f060f607b755cacd

- Const correctness
- Refactoring
- Make variables local when possible
etc
- Remove -Wcast-qual to allow explicitly casting away const.

Change-Id: I6ecb7d345162dc08ccdd17095b0800fb3a00cf2f

.c files were missed in the previous change

Change-Id: I9d22cd83e1f87472bfb09e6a38284396b2fcd860

Change-Id: I6593a44de3b571193c2a4c8787ddf3b2fc24a268

Change-Id: Ifd0d08b97538dcc04227eceb6fb087224c760c59

Change the name of source files to replace "vpx" with "aom".
Change occurences of "vpx" in the code to "aom".

Change-Id: I002c0eaa2c350cf1a895bf01bea5788c61328027

Change-Id: I79d52362aec9565cc4b6fe7a1c1c08dcfb726465

Change-Id: Ia055d03656ad1580447eced8687949583fdf4089

Change-Id: Ibc7933fba85feeb30ef9b14b302d932aff19f54e

This fixes VP10/ActiveMapRefreshTest.Test/*.

Bring commits 575e81f7 and 3d6b8a66 to aom/vp10. These changes predate
the creation of the active map cyclic refresh test.

Change-Id: I3559b6933ffa5649926a4b214e45ed0fae523a25

Change-Id: Ib8c9eb6263d6eba6b9d7b2e402b7e83a78c86be9

to vpx_tune_metric and vpx_tune_content.

Change-Id: I673aea01075b5241b621af779ca8d3e8d2e6c61c

Javan Whistling Duck release.

Change-Id: If44c9ca16a8188b68759325fbacc771365cb4af8

Change-Id: I2e387a06484a06301f3cd6600c4ba2f4335b61ee

Spatial/temporal svc code was removed. Verified using Borg test,
and the results before and after the change are matching.

Change-Id: I4c2ee5cd560428e3e50be02e57e5871ef4246390

prevents redeclaration warnings;
vp8 has its own define which will be resolved in a future commit

Change-Id: Ic941fef3dd4262fcdce48b73075fe6b375f11c9c

Change-Id: I83b5c69621f9f28b742e5b13517d4e5b99c6cd26

Change-Id: I651b7bee90f33581368853da81f9622805ccc0ea

Change-Id: Ic5004f8bdc1c2b025b598e80374ee1f286ea95ee

Remove the vp9_ prefix from vp10 file names.

Change-Id: I513a211b286a57d6126fc1b0fbfd6405120014f1

This commit folks the VP9 and VP10 codebase and makes libvpx
support VP8, VP9, and VP10.

Change-Id: I81782e0b809acb3c9844bee8c8ec8f4d5e8fa356

Use system_state.h in vpx_dsp and remove unneeded includes of
vp9_systemdependent.h.

Change-Id: I92557ec6dd5aa790160b4f31fe7967db0d7ec3c4

Use the correct period (in terms of cr->percent_refresh) for the condition
of larger delta-qp following key frame.
And account for larger interval for temporal layers.

Change-Id: Ibb43f5200f9b1eeb8bbb8211327b08ecda3c3b8a

In aq-mode=3 under a resizing action (i.e., resize_pending != 0),
force an update of the golden reference frame.

Change-Id: I14806f6db71b5f8c827678cc5e1fc913c138a9a4

Change-Id: I123db2d20ae65a10e2dec95eec61150e2f69546d

Reduce boost for segment#2 for low bitrates and low-res.

This change is to reduce the rate overshoot at low bitrates.
No change in behavior, except at the very low bitrates.

Change-Id: I0dbd9d3b6356da5804de94adf10fca6a7a8f8948

For screen content don't refresh a block at a quantizer higher than
it was last coded at. PReviosuly at realtime speeds the encoder had a
tendency to recode a block from GOLDEN with a higher Q than it was last
coded at.

Change-Id: Iacd561806c769dcce1a81b9827ffc70090f5ba18

Decision to scale down/up is based on buffer state and average QP
over previous time window. Limit the total amount of down-scaling
to be at most one scale down for now.

Reset certain quantities after resize (buffer level, cyclic refresh,
rate correction factor).

Feature is enable via the setting rc_resize_allowed = 1.

Change-Id: I9b1a53024e1e1e953fb8a1e1f75d21d160280dc7

Refactor/no change in behavior.

Change-Id: Idb3c55b1304feaf689b90403f79bc96dba26f060

Reduce motion threshold and boost factor for second segment,
for low bitrates, at low resolutions for now.
This is to reduce the rate fluctuation/frame dropping that occurs
at these low bitrates.

Change-Id: Ia66c3be41831882fca8c1e4fe104f5ea8fbe7142

silences missing prototype warnings

Change-Id: I3338fcaa67b5dcdf6bf237e8b374db3befd18753

The default golden frame interval was doubled. After encoding a
frame, the background motion was measured. If the motion was high,
the current frame was set as the golden frame. Currently, the
changes were applied only while aq-mode 3 was on.

Borg tests(rtc set) showed a 0.226% PSNR gain and 0.312% SSIM gain.
No speed changes.

Change-Id: Id1e2793cc5be37e8a9bacec1380af6f36182f9b1

vestigial. replace instances with memset() which they already were being
defined to.

Change-Id: Ie030cfaaa3e890dd92cf1a995fcb1927ba175201

Factor in segment#2 and skip blocks into the postencode estimated bits,
and increase somewhat the aggressiveness of the refresh.

PSNR/SSIM Metrics on RTC set go up by ~0.8/0.5%.

Change-Id: I5d4e7cb00a3aefb25d18c88b6b24118b72dc5d51

Change-Id: Ib54ab11adf8178eec74f65388a89c8f912c7869a

Change-Id: Id7f8654aeeb20caa402bc822521b1d72c658f4f9

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

Change-Id: Ib85b5bc135aa0907a76b8c74faafe577e27d014f

Target higher delta-qp for big blocks with zero motion,
and for segment#1: avoid 64x64 partition size and force 8x8 tx size.

Metrics on RTC set mostly positive: SSIM up by ~4%, PSRN by ~1.5%.
Doesn't seem to be any change in speed.

Change-Id: I1f68fa3c4f62dab3b90cc58041f05ebb048ae5ac

Add distortion threshold condition to refresh state of a coding block,
and allow for qp adjustment also for some intra modes and non-zero motion modes.

Also some code cleanup (remove unused variables/code).

Change-Id: I735fa2b28bc64f60e0323976b82510577b074203