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Change-Id: I94667a23046e3cf17c421ac97ca66ea57f846b5c

This commit makes the rate distortion modeling run in the unit of
maximum transform block size. No compression/speed change observed.
It is for the use of later fast forward transform purpose.

Change-Id: Ibaaedb69c765e8d0c5d5012f0ec07f36fd9f68fd

Change-Id: Ibc91a46d11ad9c58e340b4346ed813a1be9b404a

Keep one test, BasicBufferModel, with denoiser set off.

Change-Id: I762c2004b3adca24f677535cfa5b991108f31f01

Change-Id: I7f3bc292b1b411e10586f0975143ae996ea78d1d

This commit addes a new strategy to reduce the search for optimal
interpolation filter type. The encoder counts and store how many each
filter type is selected and used for each of the reference frames.
A filter type that is rarely used for all three reference frames is
masked out to avoid computation.

The impact on compression is neglectible:
-0.02% on derf
+0.02% on stdhd

Encoding time is seen to reduce by 2~3%.

Change-Id: Ibafa92291b51185de40da513716222db4b230383

Change-Id: Ib04a545b43f3a36c6df7eaf3ed2d802cf41119bb

We don't output invisible frames with VP9.

Change-Id: I7b874d3ac454c1b2966d5d7d72e12a864b49afae

Echo args back from new util functions to decrease the repetition
in this file.

Change-Id: Id4d7c02bf81cf2c5261f58b560e033869a346677

The variable is never read.

Change-Id: I94141c1667fa5d10604cd6f83c5f64df107dee94

- Make $1 input file at all call sites.
- Actually use vpxenc_pipe().

Change-Id: I22f25719aeb3dce60863207b2e2a49e42e27ed06

Change-Id: I3e319f581215ccb814afca247c1d911be231a4ac

Change-Id: Ic5e3ff5f572ed55d7dd3df8c606e57daacf885dc

Change-Id: I2b9609dd22bacbf26e669f70bf155613b0316eb3

We can use one frame context for each layer so that we don't have
to reset the probs every frame. But we can't use prev_mi since we
may drop enhancement layers. So we have to generate a non vp9
compatible bitstream and modify it in the player.
1. We need to code all frames as invisible frame to let prev_mi
   not to be used. But in the bitstream we need to code the
   show_frame flag to 1 so that the publisher will know it's
   supposed to be a visible frame.
2. In the player we need to change the show_frame flag to 0 for
   all frames. Then add an one byte frame into the super frame
   to tell the decoder which layer we want to show.
Change-Id: I75b7304cf31f0ab952f043e33c034495e88f01f3