Commit Graph

189 Commits

Author SHA1 Message Date
Dmitry Kovalev
442cbf565d Moving full_pixel_search() to vp9_mcomp.c.
Change-Id: I12389f801ebd3bd2ae3bf31e125433bfb429ee65
2014-06-12 13:06:37 -07:00
Deb Mukherjee
fc88292ef2 Remove Wextra warnings from vp9_sad.c
As a side-effect, the sad unit tests for VP8 and VP9
had to be separated.

Fixes a bug in original patch:
(https://gerrit.chromium.org/gerrit/#/c/70163/8)
that was reverted due to a nightly test failure.

Change-Id: Ia2a4e9e278fd3c89d6c3c82fcc6381320ec2a8a6
2014-06-02 13:50:20 -07:00
Frank Galligan
0b44988952 Revert "Remove Wextra warnings from vp9_sad.c"
This reverts commit 916550428d

Change-Id: I500822b03f09c64ff6ec5396c68edee9ca3b75cb
2014-06-01 16:20:26 -07:00
Deb Mukherjee
916550428d Remove Wextra warnings from vp9_sad.c
As a side-effect, the sad unit tests for VP8 and VP9
had to be separated.

Change-Id: I068cc2391eed51e9b140ea6aba78338c5fec8d71
2014-05-22 22:21:16 -07:00
Jim Bankoski
ec82d2dfec Merge "Revert "Remove Wextra warnings from vp9_sad.c"" 2014-05-15 11:54:23 -07:00
Jim Bankoski
a16794dd31 Revert "Remove Wextra warnings from vp9_sad.c"
This reverts commit 7ab9a9587b

Nightly test http://build.webmproject.org/jenkins/view/libvpx-nightly-tests/job/libvpx%20unit%20tests%20(valgrind-2)/arch=x86_64-linux-gcc,filter=-*VP8*:*Large.*/276/console

Failed 

This patch did not address all the assembly issues 
some of the vp8 assembly counts on 5 arguments being passed in to this function:   

one example : vp8_sad8x16_wmt

Please address or split this into vp9 and vp8 patches.

Change-Id: I78afcc171649894f887bb8ee3c66de24aaddc7ca
2014-05-15 08:31:20 -07:00
Paul Wilkins
8deb0e182b Merge "Silence unused parameter warnings." 2014-05-15 02:39:22 -07:00
Deb Mukherjee
9687c057f8 Merge "Remove Wextra warnings from vp9_sad.c" 2014-05-14 10:01:50 -07:00
Paul Wilkins
82cf10702d Silence unused parameter warnings.
The various motion search functions share a
common function prototype. In the case of
vp9_full_range_search() two of the parameters
are not needed.

Change-Id: I0e190af54a3b3f276409f20e8ec55912f9b0b798
2014-05-14 16:47:32 +01:00
Paul Wilkins
200f9aed4f Silence unused parameter warnings.
Remove two unused parameters in the function
vp9_refining_search_8p_c().

Change-Id: Ic192734586291cf5400926eeb8e720e69d40835c
2014-05-14 14:06:16 +01:00
Deb Mukherjee
7ab9a9587b Remove Wextra warnings from vp9_sad.c
As a side-effect, the max_sad check is removed from the
C-implementation of VP8, for consistency with VP9, and to
ensure that the SAD tests common to VP8/VP9 pass.
That will make the VP8 C implementation of sad a little slower
but given that is rarely used in practice, the impact will be
minimal.

Change-Id: I7f43089fdea047fbf1862e40c21e4715c30f07ca
2014-05-14 03:17:31 -07:00
Dmitry Kovalev
e91616a5d4 Merge "Using SPEED_FEATURES instead of VP9_COMP in vp9_init_search_range()." 2014-05-07 14:07:33 -07:00
Dmitry Kovalev
7d9d5df263 Using SPEED_FEATURES instead of VP9_COMP in vp9_init_search_range().
Change-Id: I961d50d6fafdd37ef7f23f0a871d28e28d2084ca
2014-05-01 16:36:51 -07:00
Dmitry Kovalev
c9dfa3f72e Cleaning up vp9_full_range_search_c() function.
Change-Id: Ifc9114aeacd493cfa04d4cb3d071bf1de80e0568
2014-04-30 15:40:24 -07:00
Dmitry Kovalev
d2bc8816a1 Merge "Adding search_site_config struct." 2014-04-29 16:59:47 -07:00
Dmitry Kovalev
aa464eca5e Adding search_site_config struct.
Change-Id: I2ad333553e673dbabcdc0f0366aea311e90849bf
2014-04-29 10:34:53 -07:00
Dmitry Kovalev
b87130093e Cleaning up vp9_full_search_sadx8() function.
Change-Id: I61f977a7d0b177881bd5c1a7179fa5f8f089e9a6
2014-04-25 14:55:02 -07:00
Dmitry Kovalev
fae988dc3b Merge "Cleaning up vp9_full_search_sadx3()." 2014-04-25 13:52:20 -07:00
Dmitry Kovalev
ef003078e8 Renaming "onyx" to "encoder".
Actual renames:
  vp9_onyx_if.c -> vp9_encoder.c
  vp9_onyx_int.h -> vp9_encoder.h

Change-Id: I80532a80b118d0060518e6c6a0d640e3f411783c
2014-04-22 14:57:05 -07:00
Dmitry Kovalev
6733ad19e1 Cleaning up vp9_full_search_sadx3().
Change-Id: Ia63fee65c827fd33080119184e6cf3167421807c
2014-04-14 11:13:33 -07:00
Dmitry Kovalev
58c40986e0 Removing redundant mvsadcost local variables.
Change-Id: I19a197b9525172579f253702c77fa76af88f6565
2014-04-11 14:10:37 -07:00
Dmitry Kovalev
145b24719a Merge "Removing offset argument of mvcomp macros." 2014-04-11 14:09:17 -07:00
Dmitry Kovalev
63fa722179 Removing unused cost arguments from mcomp functions.
Change-Id: Id81a76d18be6b2de69f81bb563d74c3bb356d434
2014-04-11 10:24:36 -07:00
Dmitry Kovalev
d3127382fd Removing offset argument of mvcomp macros.
Change-Id: I8bb72b790a0783720833f27b7cf41055bee6becd
2014-04-10 16:07:41 -07:00
Dmitry Kovalev
c8167f5ba7 Fixing invalid ref buffer in vp9_diamond_search_sad_c().
Problem has been introduced recently with the cleanup patch
I0816ec12ec0a6f21d0f25f10c214b5fd327afc6c

Change-Id: Iaacb956a6039eb5826b82618dc03be32053fb892
2014-04-10 15:16:48 -07:00
Dmitry Kovalev
9243edc737 Cleaning up vp9_diamond_search_sad_c() function.
Change-Id: I0816ec12ec0a6f21d0f25f10c214b5fd327afc6c
2014-04-07 16:28:35 -07:00
Dmitry Kovalev
1ea18dc258 Cleaning up vp9_refining_search_sadx4() function.
Change-Id: I47a7148bf746f61d0c4947f9b22624a8c071359f
2014-04-02 18:59:21 -07:00
Dmitry Kovalev
5c185a0587 Merge "Cleaning up vp9_pattern_search() function." 2014-04-02 18:28:47 -07:00
Dmitry Kovalev
224d986858 Cleaning up vp9_get_mvpred_{av_,}var() functions.
Change-Id: I0df8c2a6d9863f92ee406010f2daeb5e40627649
2014-03-26 15:40:41 -07:00
Dmitry Kovalev
0038bbec32 Cleaning up vp9_pattern_search() function.
Change-Id: I8da5e13b23a3d6b73c82bbe443c82dd87fd689f3
2014-03-25 17:41:19 -07:00
Dmitry Kovalev
ac49c8ca13 Merge "Adding get_buf_from_mv() function." 2014-03-24 15:52:09 -07:00
Jim Bankoski
1a8a37ceda vp9_variance.h header static version converted to global
Change-Id: I8d02cdb5e7fef02b8c95413dfd239fa51a8c7777
2014-03-24 09:55:58 -07:00
Dmitry Kovalev
6e9ca1ecef Adding get_buf_from_mv() function.
Change-Id: I21aff45546778b8393e2edf2d810448dec1f4cdb
2014-03-21 15:57:31 -07:00
Dmitry Kovalev
cac2cf886c Cleaning up vp9_mcomp.c.
Change-Id: I24a3f0f215d04fb8888c303642dd5663cc593317
2014-03-17 11:41:20 -07:00
Dmitry Kovalev
65dc919103 Merge "Cleaning up vp9_diamond_search_sad_c & vp9_diamond_search_sadx4." 2014-03-17 11:23:49 -07:00
Deb Mukherjee
e39ecfaa98 Preliminary code for variance based paritioning
Brings back most of Jim's previous patch for choosing
partitioning based on variance while making it compatible
with the current state of the code. Also adds a
nonrd_use_partition() function to recursively encode  for any
arbitrary sb_type decisions within a 64x64 block; and
includes some refactoring.

Currently, when the VAR_BASED_PARTITIONING mode is turned on
for speed 7, there is a 10+% speed-up observed.

Experiments/improvements with this new partitioning method
will be conducted subsequently.

Change-Id: Ie6f43bfbde30583e941f450bf07c3b48828c9571
2014-03-12 15:06:20 -07:00
Deb Mukherjee
44a203f5cd Merge "Support for a fast diamond search" 2014-03-10 09:53:21 -07:00
Deb Mukherjee
bead2e8fb4 Support for a fast diamond search
Adds a fast diamond search which is about 5% faster than FAST_HEX
with only a 0.1% drop in psnr when turned on for both speeds 5 and 7.
This search is turned on for speed 7.

Change-Id: I497630aa88a5148926086bb3038e7975e5f4eb98
2014-03-07 17:15:09 -08:00
Dmitry Kovalev
ee7d26d50c Cleaning up vp9_get_mvpred_var().
Change-Id: Ic535f0a1c2501c1af143237af3b2b51b4b4980f4
2014-03-06 16:27:15 -08:00
Dmitry Kovalev
a2d846cac4 Cleaning up vp9_diamond_search_sad_c & vp9_diamond_search_sadx4.
Change-Id: I4639cdc29d17ef13cabb774b455295454f1d02ae
2014-03-06 15:00:01 -08:00
Deb Mukherjee
26fa8cad01 Fixes static analysis issues
Removes some unused variables and assignments

Change-Id: I228f43d658ce50237d65ce8dc8ab2ccf0a0b21ca
2014-03-06 11:07:06 -08:00
Dmitry Kovalev
0b6440ce02 Cleaning up vp9_refining_search_sadx4().
Change-Id: I3ed0a95645a66be069ce92a1fad8083a87d01001
2014-03-05 10:46:46 -08:00
Dmitry Kovalev
91e5e5a680 Merge "Cleaning up vp9_init_dsmotion_compensation()." 2014-03-03 17:27:51 -08:00
Deb Mukherjee
b80020d4db Refactoring motion search libs
The core motion estimation fucntions all return sad now consistently.
The only exception is vp9_full_pixel_diamond(), however the core diamond
and refining search routines called from vp9_full_pixel_diamond() also
return SAD. If variance of pred error + mv cost is desired it must be
calculated explicitly outside these functions. For very fast encoding,
hopefully this will eliminate some redundant computations.

Also suggests reimplementing FAST_HEX with the vp9_pattern_search
framework. It is not exactly the same as the existing FAST_HEX, but
performance is slightly better and speed is very similar. Enables
removing a lot of duplicate code.

Change-Id: I152736393438c25bdf7e96b37cbb8ce330f4f94a
2014-03-03 15:13:59 -08:00
Dmitry Kovalev
f1a6cdbf8d Cleaning up vp9_init_dsmotion_compensation().
Change-Id: Id5b56c7bc5671859f54ae69693064804d3fadd98
2014-02-28 10:39:31 -08:00
Dmitry Kovalev
7bca32a6a3 Merge "Changing vp9_full_search_sad{, x3, x8} signatures." 2014-02-25 10:51:17 -08:00
Dmitry Kovalev
55214924ac Merge "Cleaning up vp9_refining_search_sad() function." 2014-02-25 10:44:19 -08:00
Yunqing Wang
360c80cfb9 Use fast HEX search in real time mode
In good quality mode motion search, the best matches are normally
found after searching in a large area. In real time mode, to make
encoding fast, a center-biased fast HEX search is used, which
converges quickly most of the time. A 4-point diamond search is
also carried out as the following refining search, which gives more
precise results, and maintains good motion search quality.

At speed 5, the borg test on rtc set showed an overall PSNR loss of
0.936%. The encoding speed gain is 4% - 5%.

Change-Id: I42cd68bb56a09ca1b86293c99d5f7312225ca7ae
2014-02-18 14:35:16 -08:00
Dmitry Kovalev
35092585d8 Cleaning up vp9_refining_search_sad() function.
Change-Id: Ife6131d31882177953a22a69d25adc35940429ed
2014-02-17 14:51:58 +01:00
Dmitry Kovalev
36420009ea Changing vp9_full_search_sad{, x3, x8} signatures.
Passing block MV pointer instead of block index into
vp9_full_search_sad{, x3, x8} functions.

Change-Id: Ica07356633471c2c8f81b583a7aeba85a436bafb
2014-02-17 14:24:57 +01:00
Jim Bankoski
e727bcf7ce Merge "vp9_mcomp.c visual studio warnings resolved" 2014-02-14 09:08:34 -08:00
Jim Bankoski
6025ec7901 vp9_mcomp.c visual studio warnings resolved
Change-Id: I7546cc8db4decbcd094ad76c64385b97666331b0
2014-02-14 06:35:36 -08:00
Dmitry Kovalev
fde1b6d7f2 Using MV instead of int_mv inside vp9_full_pixel_diamond().
Change-Id: If33a5a12c4025d9b5ec863dfccea7ee70f800665
2014-02-13 11:23:05 -08:00
Jim Bankoski
d2cd088cb7 Merge "vp9_mcomp.c static analysis issues" 2014-02-13 06:20:16 -08:00
Dmitry Kovalev
50712fcaa9 Adding consts to mv search function arguments.
Change-Id: Ie79114bba4f0cea55d9f701e20d2be2017630f3b
2014-02-12 14:28:23 -08:00
Jim Bankoski
f324f0c54e vp9_mcomp.c static analysis issues
Change-Id: I8c0023e3f03297993431e21158ee3821af75f82d
2014-02-12 11:54:47 -08:00
Dmitry Kovalev
dcb48761cb Cleaning up vp9_full_search_sad_c() function.
Change-Id: Ief941ff75c5e25f3288326a162b1bd0c0f17a779
2014-02-11 17:24:22 -08:00
Dmitry Kovalev
c1749e14f6 Adding is_mv_in() function.
Change-Id: I9bdb18c5cde386d3caaa2c2846649cfbda609927
2014-02-04 16:58:33 -08:00
Dmitry Kovalev
ae1c298733 Inlinging get_next_chkpts macro in vp9_mcomp.c.
Change-Id: I38ca35dccfb9051d08b026d75ba2f3a35adb0259
2014-02-03 14:26:36 -08:00
Dmitry Kovalev
3b3f1d8303 Cleaning up vp9_mcomp.{c, h}.
Change-Id: Ib71d9ed3f98e9468ad951bdc24c9ab565216eb38
2014-01-31 18:11:41 -08:00
Dmitry Kovalev
c2ca97caaf Merge "Cleaning up motion compensation code." 2014-01-31 17:33:40 -08:00
Dmitry Kovalev
abf37f1d6c Inlining IFMVCV macro.
Change-Id: I5173f996612e410d9cd495df9414d194b1ab18f3
2014-01-24 11:13:39 -08:00
Dmitry Kovalev
6c98df29e4 Cleaning up motion compensation code.
Change-Id: I74cf028e8c732cd0dbc070326152d3085b824a80
2014-01-23 17:15:30 -08:00
Dmitry Kovalev
5f75fda9e9 Merge "Cleaning up vp9_refining_search_sad() function." 2014-01-22 17:15:22 -08:00
James Zern
eb4cb43397 Merge "Enforce effective motion vector search range" 2014-01-22 16:50:30 -08:00
Jingning Han
20cf22a128 Enforce effective motion vector search range
This commit explicitly enforces the effective motion vector range
in the motion search stage. The range needs to be the intersection
of UMV border, effective absolute motion vector value range, and
the target search area.

Change-Id: I1cf7c563e02b1086040dad6c1f4f6be1538635a6
2014-01-21 12:03:18 -08:00
Dmitry Kovalev
575a083bcc Merge "Replacing macros with inline functions." 2014-01-21 10:17:29 -08:00
Dmitry Kovalev
d8bfe9e24c Cleaning up vp9_refining_search_sad() function.
Change-Id: I660b53da8ebf3049832ce8a10721051c4e0ebb00
2014-01-17 15:20:28 -08:00
Dmitry Kovalev
67246764a2 Replacing macros with inline functions.
Change-Id: Ibde8fb45594cd259fc3281d7874de8fc877fd4f2
2014-01-16 18:00:44 -08:00
Dmitry Kovalev
55d0230221 Cleaning up vp9_refining_search_8p_c() function.
Change-Id: Icf3b3dd96d7e133a4ad7260cd95288f6217998a6
2014-01-16 16:05:36 -08:00
Dmitry Kovalev
80aae67f44 Making motion search code more compact.
Change-Id: I04d6a006eaf2676f2d8d1d96b87f69e081969382
2014-01-13 15:24:06 -08:00
Dmitry Kovalev
2344e3a2e1 Merge "Converting CHECK_POINT macro to inline function." 2014-01-03 18:02:10 -08:00
Dmitry Kovalev
6e8c103620 Merge "Replacing int_mv with MV." 2014-01-03 17:38:28 -08:00
Dmitry Kovalev
513666e78c Converting CHECK_POINT macro to inline function.
Change-Id: I08533d59a78346dac30a7dcbc12146f23ef88bbc
2014-01-03 16:16:28 -08:00
Dmitry Kovalev
ed2fba2a79 Merge "Replacing CHECK_BOUNDS macro with inline check_bounds function." 2014-01-03 15:57:36 -08:00
Dmitry Kovalev
672c355a26 Replacing int_mv with MV.
Change-Id: Ifd432fa3741ba47102d298e0b348eb00f5a9ce53
2014-01-03 11:48:07 -08:00
Yunqing Wang
a7248a04b7 Merge "Remove a unused sub-pixel search" 2013-12-27 14:05:38 -08:00
Dmitry Kovalev
987810ad95 Removing vp9_findnearmv.{h, c} files.
Moving all code from that files to vp9_mvref_common.{h, c}.

Change-Id: Ibc4afcb8cea6847166ff411130e93611ebe63b20
2013-12-19 17:39:57 -08:00
Yunqing Wang
6ff4f19269 Remove a unused sub-pixel search
The original iterative search was replaced by subpel_tree search,
and was not used anymore.

Change-Id: I998b38e1cb0ee359a08b2410d0766dbf183ab071
2013-12-19 11:20:56 -08:00
Dmitry Kovalev
095b03231c Using MV struct instead of int_mv union in encoder (2).
Change-Id: I068345f722a7116e3119927295ad23a28d3066a0
2013-12-13 17:20:40 -08:00
Dmitry Kovalev
25da21b14e Using MV struct instead of int_mv union in encoder.
Change-Id: I8b81a3e4b4fa530a654c28d9c136afa0c1d379fd
2013-12-13 15:24:48 -08:00
Dmitry Kovalev
5556090dd0 Replacing CHECK_BOUNDS macro with inline check_bounds function.
Change-Id: I8437113da256088576bf66401186e35125089c03
2013-12-11 15:00:36 -08:00
Jingning Han
9d6e7ce12d Rename clamp_mv_min_max to set_mv_search_range
This function sets the motion search range limit. Rename it to be
more informative.

Change-Id: I2e8e01073dcb99c9bea9c9acd0a61d672d615444
2013-12-11 14:00:08 -08:00
Guillaume Martres
0102f1d5ec avoid crash when using --best on cpus with SSE3 (but not SSE4) support
Change-Id: Ie100114a01b8b4da7248603c40676792cd06b32a
2013-12-10 18:17:10 +01:00
Jingning Han
44627a9677 Clean-ups in diamond_search_sad
Use the pre-fetched stride value.

Change-Id: I8d4aaedab7a83a4870be51c110da27e55ca3bc85
2013-12-06 14:25:20 -08:00
Jingning Han
b295092b8f Full range motion search for regular block sizes
Add a full range motion search for regular block sizes. This runs
exhaustive search within the given reference area. This commit further
optimizes the search process by combining 4 points test into one
pipeline, which gives 30% speed-up as compared to run each individual
point at a time.

This full range search serves as a best possible motion search reference.
When replacing the diamond search with full range search, the speed 0
runtime of bus CIF at 2000 kbps goes from 153872ms to 623051ms. The
compression performance compared to speed 0 setting gains 0.585% for
derf set.

Change-Id: Ieef1225216b0b86b4ac4872fa7fb9e18bf2eabb3
2013-12-06 12:24:53 -08:00
Jingning Han
bbe68fbd2a Constrain encoder motion search range
Explicitly constrain the upper limit of motion search range (in the
unit of full pixel) to be [-1023, +1023]. It is intended to control
the effective motion search range for 4K sequences.

Change-Id: I645539c70885eec0f155781f439d97d333336e88
2013-11-18 11:19:45 -08:00
Dmitry Kovalev
2726f383cd Adding allow_hp as an argument to mv search functions.
Making this change in order to move allow_high_precision_mv field
from MACROBLOCKD structure to VP9_COMMON (because it is a frame level
flag).

Change-Id: I1d006ba36d938e0caf4d40fa051e2e38df9c1108
2013-10-17 14:02:04 -07:00
Jim Bankoski
b79b7c354d cpplint issues resolved in vp9_mcomp.c
Change-Id: I2c2f83f4dfa2782fc6b0aa6db3ba2c4e6e423ffa
2013-10-05 16:44:40 -07:00
Dmitry Kovalev
8266da1cd1 Moving from int_mv* to MV* (3).
Change-Id: I9795d0937bc07793c13d067281995e0750f694d9
2013-09-25 16:44:19 -07:00
Dmitry Kovalev
b87696ac37 Moving from int_mv* to MV* (2).
Updating fractional_mv_step_fp and fractional_mv_step_comp_fp function
types.

Change-Id: I601c4378bc39ac3ffd4e295d9cbd8e1f74829d46
2013-09-24 12:48:12 -07:00
Dmitry Kovalev
30888742f4 Merge "Moving from int_mv to MV." 2013-09-24 12:25:56 -07:00
Yaowu Xu
838eae3961 Correct 3 step search site initialziation
39c7b01d accidently reverted the row/col initialization, which broke
mv clamps, which is dependent on the sites for valid motion vector
range. This commit fixed the issue.

Change-Id: Ibcce0226e0360b1ef483fe760b2e33f1af4bf494
2013-09-23 16:11:49 -07:00
Dmitry Kovalev
e51e7a0e8d Moving from int_mv to MV.
Converting vp9_mv_bit_cost, mv_err_cost, and mvsad_err_cost
functions for now.

Change-Id: I60e3cc20daef773c2adf9a18e30bc85b1c2eb211
2013-09-20 13:52:43 +04:00
Dmitry Kovalev
39c7b01d3c Cleanup in vp9_init3smotion_compensation.
Change-Id: Ie47f53e76bc9530475c8c6d24e9b7a5a0189de56
2013-09-20 12:54:14 +04:00
Yaowu Xu
014acfa2af fix integer overflow errors
Change-Id: I76f440a917832c02d7a727697b225bac66b99f56
2013-09-19 08:14:26 -07:00
Dmitry Kovalev
72fd127f8c Removing redundant code from vp9_mcomp.c.
Replacing ((1 << MV_MAX_BITS) - 1) with MV_MAX, adding const
qualifiers, reusing computed values.

Change-Id: I7b46d47f6c644b079d9c3478116a9de465a9baec
2013-09-18 13:11:38 +04:00
Scott LaVarnway
ac6093d179 New mode_info_context storage -- undo revert
mode_info_context was stored as a grid of MODE_INFO structs.
The grid now constists of pointers to MODE_INFO structs.  The
MODE_INFO structs are now stored as a stream (decoder only),
eliminating unnecessary copies and is a little more cache
friendly.

Change-Id: I031d376284c6eb98a38ad5595b797f048a6cfc0d
2013-09-11 13:45:44 -04:00
James Zern
54a03e20dd Revert "New mode_info_context storage"
This reverts commit dae17734ec

Encode crashes, leaks and increases integer overflow errors.

Change-Id: I595aa2649bb8d0b6552ff91652837a74c103fda2
2013-09-09 13:37:01 -07:00
Scott LaVarnway
dae17734ec New mode_info_context storage
mode_info_context was stored as a grid of MODE_INFO structs.
The grid now constists of a pointer to a MODE_INFO struct and
a "in the image" flag.  The MODE_INFO structs are now stored
as a stream, eliminating unnecessary copies and is a little
more cache friendly.

For the test clips used, the decoder performance improved
by ~4.3% (1080p) and ~9.7% (720p).

Patch Set 2: Re-encoded clips with latest. Now ~1.7% (1080p)
and 5.9% (720p).

Change-Id: I846f29e88610fce2523ca697a9a9ef2a182e9256
2013-09-06 12:33:34 -04:00