| Commit message (Collapse) | Author | Age | Files | Lines |
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Avoid clipping due to quantization noise to produce audible
artifacts, by detecting near-clipping signals and both attenuating
them a little and encoding escape-encoded bands (usually the
loudest) rounding towards zero instead of nearest, which tends to
decrease overall energy and thus clipping.
Currently fate tests measure numerical error so this change makes
tests using asynth (which are near clipping) report higher error
not less, because of window attenuation. Yet, they sound better,
not worse (albeit subtle, other samples aren't subtle at all).
Only measuring psychoacoustically weighted error would make for
a representative test, so that will be left for a future patch.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '65c14801527068fcaf729eeffc142ffd4682a21a':
checkasm: Modify report format
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Makes it a bit more clear where each test belongs.
Suggested by Anton Khirnov.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '4d0d55cd623bcd504867f948849380f6b4060b4d':
checkasm: Use LOCAL_ALIGNED
See: f467fc02b475cd45b68aa5fb5f7c78286110ba86
See: 9e83ac6114de3d94eb992eff8ed810234069a7b2
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes alignment issues and bus errors.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Fixes alignment issue and bus errors
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes alignment issue and bus errors
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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The test file they use needs avdevice to be created
Probably fixes Ticket 4455
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'a16854892c3af945d3ab0015699a0c9884f0a89a':
dds: Add a rgba fate test
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Red and blue channels were decoded in the wrong order.
Found-By: ami_stuff
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* commit 'e605bf3b590d295f215fcc9fd58eb11be55b68cb':
checkasm: remove empty array initializer list in h264pred test
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes MSVC compilation.
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* commit '3ae0e721c7b6e0483801b9039b3d140e3b68b7f5':
checkasm: Always link statically
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Checkasm needs to use internal symbols that should not be made public.
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes Ticket4664
The changed fate tests lack red/blue shades and thus look correct
either way
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* commit 'c9f8cfb6d9b34f3c51f1b7152c4dc3f2f8724dc4':
fate: add checkasm target
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '82e6ac85ff9aa7631b8c01521b3d6b5ca0bc8014':
checkasm: test all architectures with optimisations
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '6cc4d3e9a982e926494f4b919d9733fe29774acf':
checkasm: exit with status 0 instead of 1 if there are no tests to perform
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'fc56868399213d3e9be19bdebeb64df233b39a7e':
cosmetics: Reformat checkasm tests
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'd37f23263584774e1798e9ac909a398304a05091':
checkasm: Add unit tests for bswapdsp
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This should fix seeking for open GOP files as well.
Reviewed-by: Tomas Härdin <tomas.hardin@codemill.se>
Signed-off-by: Marton Balint <cus@passwd.hu>
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syntax issues
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '2cb34f82b92c15b811f5c03dc7f61a4baf6e02e3':
checkasm: Add unit tests for h264qpel
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* commit '8bc67ec2c0d2b5444d51a1bed1d50f0e10d92717':
Checkasm: assembly testing and benchmarking tool
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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It provides the following features:
* verify correctness by comparing output to the C version.
* detect failure to save and restore clobbered callee-saved registers.
* detect 32-bit parameters being used as if they were 64-bit in x86-64
(the upper halves are not guaranteed to be zero - but in practice
they very often are, which makes those bugs hard to spot otherwise).
* easy benchmarking.
Compile by running 'make checkasm'.
Execute by running 'tests/checkasm/checkasm'.
Optional arguments are '--bench' to run benchmarks for all functions,
'--bench=<pattern>' to run benchmarks for all functions that starts with
<pattern>, and '<integer>' to seed the PRNG for reproducible results.
Contains unit tests for most h264pred functions to get started, more tests
can be added afterwards using those as a reference.
Loosely based on code from x264. Currently only supports x86 and x86-64,
but additional architectures shouldn't be too much of an obstacle to add.
Note that functions with floating point parameters or floating point
return values are not supported. Some compiler-specific features or
preprocessor hacks would likely be required to add support for that.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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This is how original filter behaves.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* commit '02b7c630875c0bc63cee5ec597aa33baf9bf4e20':
h261: Signal freeze picture release for intra frames
Conflicts:
tests/ref/vsynth/vsynth1-h261
tests/ref/vsynth/vsynth2-h261
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Freeze picture release should be set to 1 when we're responding to a
fast update request. For simplicity we set it for all intra frames,
including those that starts a GOP.
Fixes issue where Tandberg MXP1700 does not recover from packet loss
state since it's waiting for the freeze picture relase indication.
Bug-Id: 873
CC: libav-stable@libav.org
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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* commit 'dc1de0b958836545339611e9c050a1d4fdded263':
h261: Set 'still image mode off' in picture header
Conflicts:
tests/ref/vsynth/vsynth1-h261
tests/ref/vsynth/vsynth2-h261
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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