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See issue 1040 point 3.

Change-Id: If051b92c24a34d6a39861fb7d7180c5ca32f3d82

For reading, this makes the operation branchless, although it still
requires two shifts. For writing, this makes the operation as fast
as writing an unsigned value, branchlessly. This is also how other
codecs typically code signed, non-arithcoded bitstream elements.

See issue 1039.

Change-Id: I6a8182cc88a16842fb431688c38f6b52d7f24ead

In decoder, export (eventually) into vpx_image_t.range field. In
encoder, use oxcf->color_range to set it (same way as for
color_space).

See issue 1059.

Change-Id: Ieabbb2a785fa58cc4044bd54eee66f328f3906ce

See issue 1030. The value of frame_parallel_decoding_mode was ignored
in vp9 if refresh_frame_context was 0, so instead make it a 3-member
enum where the dependency is obviously stated.

Change-Id: I37f0177e5759f54e2e6cc6217023d5681de92438

In vp9, [0] and [1] had identical meaning, so merge them into a
single value. Make it impossible to code RESET_FRAME_CONTEXT_NONE
for intra_only frames, since that is a non-sensical combination.

See issue 1030.

Change-Id: If450c74162d35ca63a9d279beaa53ff9cdd6612b

These frame types cannot make bitstream parsing depend on previous
frames, so the hypothetical combinations of e.g. keyframe=1 and
update_map=0 or keyframe=1 and temporal_update=1 are non-sensical.
Therefore, make it impossible to code such combinations in the vp10
bitstream header.

See issue 1044.

Change-Id: I3f0a83d5c7e3989541a469a909471424a285239d

In VP9, the order for frame header was: [0] smooth, [1] regular, [2]
sharp, [3] bilinear. Per-block, the order was [0] regular, [1] smooth
and [2] sharp. For VP10, swap smooth/regular in the frame header so
that the block ordering and frame header ordering are interchangeable.

See issue #1046.

Change-Id: Ic9ec5964874375e40cd59bef50b489a76cbe4365

Change-Id: I2e387a06484a06301f3cd6600c4ba2f4335b61ee

An indent fix in bitstream.c.

Change-Id: Ia47e9ac5b01490cb2173a254444848b7bed56e5c

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

The macro MAX_REF_LF_DELTAS is repeatedly defined. Merge its use
cases with MAX_REF_FRAMES.

Change-Id: I71c4634fb5feae78ce6f9bf99074f45ed7f68b73

Change-Id: If5b5beb38c938bd7a6016dedc9bd0c8e06153d73

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

Change-Id: I0ac7beaa160a6c2a60a019f6b8ce85e6537bed7d

changes prefix vp9_ to vpx_ for non codec specific functions and
data structures.

Change-Id: I91a21548e39bd24d2c7caaaa223ae47240bb78c8

change prefix vp9_ to vpx_ for non codec specific functions and data
structures.

Change-Id: I97c7e6422eceea99212b93f4942bc2187763a07c

Replace vp9_ in names to vpx_ as they are not codec specific.

Change-Id: I2e583aa63dee769353ada4b42417aa15c4074ebb

Change-Id: I07647c7482b9ec498fbad3a9c9901f72b2336500

Change-Id: Id27e0007a0feac821ca66bcecbf3a723305da82d

to MB_MODE_INFO_EXT.  This saves 36 bytes per 8x8 area for
both the decoder and encoder. (encoder has two MODE_INFO
buffers)

Change-Id: If006abb2224acaf326df3c2be09e77e967662107

Moved the frame_type check to the tile level and stored
the prob ptr in MACROBLOCKD.

Change-Id: I10b5a4abd58213dc7610e3ade1a1583c01526842

and change name.

Change-Id: I706645cf9d9dc04f1b3b6ac80df80edb7f101854

and changed name.

Change-Id: Ie023ca66cc2c823032f58d4faeb53fd1863c94f3

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

Change-Id: Ie030cfaaa3e890dd92cf1a995fcb1927ba175201

(see I3a05cf1610679fed26e0b2eadd315a9ae91afdd6)

For the test clip used, the decoder performance improved by ~2%.
This is also an intermediate step towards adding back the
mode_info streams.

Change-Id: Idddc4a3f46e4180fbebddc156c4bbf177d5c2e0d

SEG_LVL_SKIP implies skip. This is enforced by skip = write_skip().

Change-Id: I61c79581c9c53deae36685c2bcf388cb4d8827d3

Frame buffers are now allocated dynamically on-demand.

Entries in the reference frame map, cm->ref_frame_map,
may now be set to -1 (INVALID_IDX) to indicate that
there is not a valid reference buffer in that "slot".

All slots in the reference frame map are now initialized
to the empty state (-1) and each buffer is initialized
to have a reference count of 0.

Change-Id: Id1afe98de98db4ae8b2dfefed7889c3b28c68582

1. Adjusted the threshold for coef update computation based on counts
of tx used, avoid coef update computation when count is low (<20)
2. Move sf->lpf_pick = LPF_PICK_MINIMAL_LPF to speed 8.

Change-Id: I02b44309e40fcdbf135c7934ae067a3f42502d30

1. move the check of search method of USE_TX_8X8 up one level to
avoid operations of build_tree_distributions()
2. count tx used and avoid computaton for coef udpate when one size
is not used at all.

Change-Id: Ia3e54a2588aa531c41377a1bfaa64385d04a592c

1. reduce the size of temporaray arrays on stack
2. avoid build_tree_distribution for tx size that is not used at all.

Change-Id: I0f8d7124e16a3789d3c15ad24cf02c1c12789e2c

This commit adds encoder side control for vp9 to set color space info
in the output compressed bitstream.

It also amends the "vp9_encoder_params_get_to_decoder" test to verify
the correct color space information is passed from the encoder end to
decoder end.

Change-Id: Ibf5fba2edcb2a8dc37557f6fae5c7816efa52650

This makes the inter_mode counts update consistent with other symbols.
Also, forward updates should work corerctly now.

Change-Id: Id98be26fd08875162e644bb8f1de6f0918f85396

Could have problem with 2 encoders.

Change-Id: I92d326933c00fee688f77b54acf467ca5a8516bc
see: https://code.google.com/p/webm/issues/detail?id=900&thanks=900&ts=1418843841

allow_comp_inter_inter VP9_COMMON -> VP9_COMP

Change-Id: I6d9dc25d1cdd7e2ab62f5be69cd9fa883d21dbb6