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2012-12-0732x32 transform for superblocks.Ronald S. Bultje
This adds Debargha's DCT/DWT hybrid and a regular 32x32 DCT, and adds code all over the place to wrap that in the bitstream/encoder/decoder/RD. Some implementation notes (these probably need careful review): - token range is extended by 1 bit, since the value range out of this transform is [-16384,16383]. - the coefficients coming out of the FDCT are manually scaled back by 1 bit, or else they won't fit in int16_t (they are 17 bits). Because of this, the RD error scoring does not right-shift the MSE score by two (unlike for 4x4/8x8/16x16). - to compensate for this loss in precision, the quantizer is halved also. This is currently a little hacky. - FDCT and IDCT is double-only right now. Needs a fixed-point impl. - There are no default probabilities for the 32x32 transform yet; I'm simply using the 16x16 luma ones. A future commit will add newly generated probabilities for all transforms. - No ADST version. I don't think we'll add one for this level; if an ADST is desired, transform-size selection can scale back to 16x16 or lower, and use an ADST at that level. Additional notes specific to Debargha's DWT/DCT hybrid: - coefficient scale is different for the top/left 16x16 (DCT-over-DWT) block than for the rest (DWT pixel differences) of the block. Therefore, RD error scoring isn't easily scalable between coefficient and pixel domain. Thus, unfortunately, we need to compute the RD distortion in the pixel domain until we figure out how to scale these appropriately. Change-Id: I00386f20f35d7fabb19aba94c8162f8aee64ef2b
2012-12-04Enable unit tests to build with MSVCYaowu Xu
Change-Id: Ie80597221bee494679ae2ba50cca22dea2609cba
2012-11-27Revert "make: flatten object file directories"John Koleszar
This reverts commit b72373de79800e801ce730d24cb115daf78ae660. Change-Id: Ic1601160e11df1a018ef12da25967cfb5eebd5ba
2012-11-27Add vp9_ prefix to all vp9 filesJohn Koleszar
Support for gyp which doesn't support multiple objects in the same static library having the same basename. Change-Id: Ib947eefbaf68f8b177a796d23f875ccdfa6bc9dc
2012-11-26remove the dependency on idct.hYaowu Xu
Change-Id: Idcf827d8ae6429ee5b673c3398f838dbeacb4e74
2012-11-24removed the idct rtcd idct callsJim Bankoski
More cleanup to do after this, but this is a good chunk of removing rtcd. Change-Id: I551db75e341a0a85c3ad650df1e9a60dc305681a
2012-11-15support building vp8 and vp9 into a single libJohn Koleszar
Change-Id: Ib8f8a66c9fd31e508cdc9caa662192f38433aa3d
2012-11-15make: flatten object file directoriesJohn Koleszar
Rather than building an object file directory heirarchy matching the source tree's layout, rename the object files so that the object file name contains the path in the source file tree. The intent here is to allow two files in different parts of the source tree to have the same name and still not collide when put into an ar archive. Change-Id: Id627737dc95ffc65b738501215f34a995148c5a2
2012-11-07Merge with upstream experimental changes (2)John Koleszar
Include upstream changes (variance fixes) into the merged code base. Change-Id: I4182654c1411c1b15cd23235d3822702613abce1
2012-11-07Merge with upstream experimental changesJohn Koleszar
Include upstream changes (unit test fixes, in particular) into the merged code base. Change-Id: I096f8a9d09e2532fbec0c95d7a995ab22fa54b29
2012-11-07Rough merge of master into experimentalJohn Koleszar
Creates a merge between the master and experimental branches. Fixes a number of conflicts in the build system to allow *either* VP8 or VP9 to be built. Specifically either: $ configure --disable-vp9 $ configure --disable-vp8 --disable-unit-tests VP9 still exports its symbols and files as VP8, so that will be resolved in the next commit. Unit tests are broken in VP9, but this isn't a new issue. They are fixed upstream on origin/experimental as of this writing, but rebasing this merge proved difficult, so will tackle that in a second merge commit. Change-Id: I2b7d852c18efd58d1ebc621b8041fe0260442c21
2012-11-06Fix variance (signed integer) overflowJames Zern
In the variance calculations the difference is summed and later squared. When the sum exceeds sqrt(2^31) the value is treated as a negative when it is shifted which gives incorrect results. To fix this we force the multiplication to be unsigned. The alternative fix is to shift sum down by 4 before multiplying. However that will reduce precision. For 16x16 blocks the maximum sum is 65280 and sqrt(2^31) is 46340 (and change). This change is based on: 1698234 Missed some variance casts fea3556 Fix variance overflow Change-Id: I2c61856cca9db54b9b81de83b4505ea81a050a0f
2012-11-06fix test buildsJames Zern
s/([vV][pP])8/$19/ additionally dct.h was removed; declare the _c functions that are used in the tests. the TODO for conversion to parameterized tests still remains. Change-Id: I73db9425a57075bbb78a92693ba6b320578981cd
2012-11-01Rename vp8/ codec directory to vp9/.Ronald S. Bultje
Change-Id: Ic084c475844b24092a433ab88138cf58af3abbe4
2012-10-29add unit test for datarate controlJim Bankoski
Adds some basic datarate control tests.. Change-Id: I6eff18aa58ef7cfd14886c6b1e048247cd1ad247
2012-10-26Minor tweaks to video source frameworksJim Bankoski
Fix the video source to close if file is open already and add a limit. Change-Id: I36ada4c609d027b6eaa9b447fe9ad4115532edc1
2012-10-22Add unit test for decoder test_vector_testYunqing Wang
Got 61 test vectors from vp8-test-vectors.git (http://git.chromium.org/gitweb/?p=webm/vp8-test-vectors.git) Added decoder test vectors downloading in unit tests. Uploaded the test vectors and their md5 files to WebM website. $ gsutil cp *.* gs://downloads.webmproject.org/test_data/libvpx Added their sha1sum to the test/test-data.sha1 file. In unit tests, download the test vectors to LIBVPX_TEST_DATA_PATH. Test_vector_test goes through the test vectors, decodes them, and compute the md5 checksums. The checksums are compared with the expected md5 checksums to tell if the decoder decodes correctly. Change-Id: Ia1e84f9347ddf1d4a02e056c0fee7d28dccfae15
2012-10-10Merge of the TX_16X16 experimentDeb Mukherjee
Change-Id: I22aa803ffff330622cdb77277e7b196a9766f882
2012-10-09Merge "post-proc: deblock filter optimization"Yunqing Wang
2012-10-08post-proc: deblock filter optimizationYunqing Wang
1. Algorithm modification: Instead of having same filter threshold for a whole frame, now we allow the thresholds to be adjusted for each macroblock. In current implementation, to avoid excessive blur on background as reported in issue480(http://code.google.com/p/webm/issues/detail?id=480), we reduce the thresholds for skipped macroblocks. 2. SSE2 optimization: As started in issue479(http://code.google.com/p/webm/issues/detail?id=479), the filter calculation was adjusted for better performance. The c code was also modified accordingly. This made the deblock filter 2x faster, and the decoder was 1.2x faster overall. Next, the demacroblock filter will be modified similarly. Change-Id: I05e54c3f580ccd427487d085096b3174f2ab7e86
2012-10-04Merge "Unit Test for Error Resilience Mode"Adrian Grange
2012-10-04Add a unit test for CQ mode.Ronald S. Bultje
Change-Id: I66c391987eabc5ea0159bf4a2a4fd8e8e163872f
2012-10-04Merge "Added handler for PSNR packets to EncoderTest class"Adrian Grange
2012-10-04Merge "Add initialization and per frame flag members"Adrian Grange
2012-10-03Unit Test for Error Resilience ModeAdrian Grange
This unit test compares the difference in quality with error resilience enabled and disabled. The test runs for all of the one-pass encoding modes. The test ensures that the effect of turning on error resilience makes less than a 10% difference in PSNR. Further cases should be added to do a more comprehensive test. Change-Id: I1fc747fc78c9459bc6c74494f4b38308dbed0c32
2012-10-03Added handler for PSNR packets to EncoderTest classAdrian Grange
Added a virtual function to handle PSNR packets. Change-Id: Id2a6372c691a14f19bbeed217a93a9df03e81e75
2012-10-03Add initialization and per frame flag membersAdrian Grange
Modified EncoderTest class to have separate member variables for initialization time and per-frame. Change-Id: I08a1901f8f3ec16e45f96297e08e7f6df0f4aa0b
2012-10-03Merge "Added Reset method to TwopassStatsStore"Adrian Grange
2012-10-03Added Reset method to TwopassStatsStoreAdrian Grange
The stats buffer needs to be reset between runs of the encoder. I added a Reset() function to TwopassStatsStore and called it at the beginning of each encode. This enables us to run multiple encodes which was previously not possible since there was no way to reset the stats between runs. Change-Id: Iebb18dab83ba9331f009f764cc858609738a27f9
2012-10-03Merge "Added unit test for subtract functions"John Koleszar
2012-10-01Disable keyframe in real time that's placed one frame after a cut.Jim Bankoski
The codec as it stood placed a keyframe one frame after a real cut scene - and ignored datarate and other considerations. TODO: Its possible that we should detect a keyframe and recode the frame ( in certain circumstances) to improve quality. Change-Id: Ia1fd6d90103f4da4d21ca5ab62897d22e0b888a8
2012-09-26Added unit test for subtract functionsScott LaVarnway
Patch Set 1: gain familiarity with unit tests... added simple 4x4 subtract test Patch Set 2: fixed mistakes, parameterized as suggested Patch Set 3: randomized the source/predictor data Change-Id: I33432bdf7c9f2a9b8c2533a37106382c2a8209ee Signed-off-by: Scott LaVarnway <slavarnway@google.com>
2012-08-31added encode/decode matching validation to testsYaowu Xu
This commit adds the ability of validating matched encoder and decoder to unit tests. Change-Id: Ie00d69a42477b6a69b324a6bd134939684f7300b
2012-08-31msvs/tests: fix data alignment for asm testsJames Zern
Replace DECLARE_ALIGNED_ with vpx_memalign() DECLARE_ALIGNED (__declspec(align())) does not work as intended when used on class data members: Data in classes or structures is aligned within the class or structure at the minimum of its natural alignment and the current packing setting (from #pragma pack or the /Zp compiler option) Change-Id: I304aaa6c3716fbfae24675ecf192f4b40787e83e
2012-08-24change to properly account for coef scaling in unit testsYaowu Xu
The transform functions in experimental branch absorbed a scaling factor of 4 to allow quantization steps closer to unit quantizer. This commit added scaling code in between forward and inverse transform to properly account for the scaling factor. Change-Id: I9a573ddc1ffa74973b34800a5da1a56dbabe0949
2012-08-21Merge "sad_test: fix msvc build"James Zern
2012-08-21sad_test: fix msvc buildJames Zern
pass a variable to make_tuple() rather than a function, fixes type errors Change-Id: Ic0cbd25d0ca35ad08c672040b4141b3b81695752
2012-08-21sixtap_predict_test: fix msvc buildJames Zern
pass a variable to make_tuple() rather than a function, fixes type errors Change-Id: I5e04b61b5ab58cc0090ef21119486ca04853af61
2012-08-08fix timestamp calculation rollover w/altrefJames Zern
using large values for the timebase, e.g., {33333, 1000000} could rollover the timestamp calculation in vp8e_encode as it was not using 64-bit math. originally reported on ffmpeg's trac: https://ffmpeg.org/trac/ffmpeg/ticket/1014 BUG=468 Change-Id: Iedb4e11de086a3dda75097bfaf08f2488e2088d8
2012-08-08EncoderTest: check that timestamps are monotonicJames Zern
Change-Id: I813fa94c83df6282f382b24bbaccb1fe2fa94276
2012-08-08Merge "tests: fix Continue() signatures"John Koleszar
2012-08-08Merge "keyframe_test: use a fixed speed step for realtime"John Koleszar
2012-08-07tests: fix Continue() signaturesJames Zern
they're const member functions, they need to match the base class to be called Change-Id: Id0580c5078b5876ead6731d95d8b86fef4029c40
2012-08-07A bit of temporary relief on encoder slownessYaowu Xu
The commit replaces run-time initialization of cosine constants with static constant values, which provides ~30% relief on slow speed. The real solution, however will be to implement integer versions of those functions that current use float/double. Change-Id: Ie3ff1793509653d78dd1aeaf88cc6737da1bc55f
2012-08-0216x16 DCT blocks.Daniel Kang
Set on all 16x16 intra/inter modes Features: - Butterfly fDCT/iDCT - Loop filter does not filter internal edges with 16x16 - Optimize coefficient function - Update coefficient probability function - RD - Entropy stats - 16x16 is a config option Have not tested with experiments. hd: 2.60% std-hd: 2.43% yt: 1.32% derf: 0.60% Change-Id: I96fb090517c30c5da84bad4fae602c3ec0c58b1c
2012-07-27Be consistent with SAD valuesJohann
SAD returns unsigned values. Make all the declarations the same. Remove bestsad initialization and check. It is always set to the result of a SAD call so it will never remain UINT_MAX Use ja instead of jg to test unsigned comparison instead of signed. Update test. Change-Id: I46336ab45f4e60fc37caf20bd36bc5782079c7a5
2012-07-25Add tests for SAD functionsJohann
Change-Id: I018335a08cbb1eca55896c21e36918ed45a4b2a8
2012-07-24Use vpx_integer.h instead of stdint.hJohann
vpx_integer accounts for win32, which does not have stdint.h Change-Id: I0ecf243ba56ed2e920e1293a6876c2e1ef1af99e
2012-07-24Merge "Use ACMRandom for all tests"Johann
2012-07-24Merge "Allow specifying the seed"Johann
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