Trap divide by 0 that could occur with a 0 rate target
in aq mode COMPLEXITY_AQ.

Change-Id: I034514f512b2a0db470ae8d37ea395278bf473cf

OUTPUT_FMT_C_HEADER

Change-Id: Ic1a583352ead8268efc39f1b89257e9c622e1613

Change-Id: Ia8fa3961eec34545465018281dc022bc6f73869a

Fix of https://code.google.com/p/webm/issues/detail?id=698 issue.

Change-Id: I7a92d91481dbbae28d8953f146e9faafdcd7a310

It is enough to specify (e.g.) idct16, it is obviously different from
idct16x16.

Change-Id: I6b408a37a945de3162429380b59a775b03b95db0

which is 7.8 times faster than C.

Change-Id: I858ef4ec09202a07d445da8db702783d6d9d7321

Change-Id: I8d17867a4772554cbba2bd113cc5b4c99d50146d

Change-Id: I374a0c4bb4a66c0d3dc874c6e57fdee9d1ab72df

This is required by webrtc.

Change-Id: I32983597eb0f6797aeb0d93b65d8911989ba98ea

Change-Id: I832cf83871044bfee7b7e57dbd31bae05cbd53e9

Adds a stand-alone resize_util app for testing. The app
will not be built in the shared library configurations
so as not to require the APIs to be exposed.

Change-Id: I4718c8bff1abf4e57c2ab2d84be8738fc0048200

Adds multiple filters in the 0.5-1.0 range in the last stage
of the resize functions to prevent over-smoothing/aliasing

Change-Id: I1a615adb16f0df5095790945c94b28b4d6a6fc48

Change-Id: I31373ad860eb554eb3b03e877e8fba580dc3de07

This avoids fitlering a frame multiple times at the same level.

Change-Id: I1fd54dd7ea257d16da8569f48036b8fad3a3ed61

Factor out the code that tries filtering a frame at a given level.

Change-Id: Ia04507e3ce6b1ad6ae7d05a9d88222fd319f44b7

We don't use different filter kernels for x and y, it is always one kernel
for both directions.

Change-Id: Iefcbb02ec74bf46ea20d9dca672a3efd5d631517

That force the stop of subpel search possibly at full/half/quater pel
stages

Change-Id: Ie50c500417bd78e1a53e6620bd4c2b85f63d9c67

Corresponding renames:
  subpel_kernel              => interp_kernel
  vp9_get_filter_kernel()    => vp9_get_interp_kernel()
  pred_filter_type           => pred_interp_filter
  adaptive_pred_filter_type  => adaptive_pred_interp_filter
  mcomp_filter_type          => interp_filter
  read_interp_filter_type()  => read_interp_filter()
  write_interp_filter_type() => write_interp_filter()
  fix_mcomp_filter_type()    => fix_interp_filter()

Change-Id: I1fa61fa1dc81ebbf043457c3ee2d8d4515bee6d3

Also change its wrongly named dest parameter to reference.

Change-Id: Ide142dead31c9ccda1f09a48b221284369783fb7