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This new FATE test for the scale2ref filter makes use of the recently
added scale2ref-specific variables to maintain the aspect ratio of a
test input.
Filtergraph explanation:
[main] has an AR of 4:3. [ref] has an AR of 16:9.
640 / 4 = 160. So the new width for [main] is 160.
160 / ((320 / 240) * (1 / 1)) = 160 / (4 / 3) = 120. So the new
height for [main] is 120.
160 / 120 = 4 / 3 so [main]'s aspect ratio has been maintained while
using [ref]'s width as a reference point.
[ref] is nullsink'd since it is left unchanged by scale2ref (and so
shouldn't need to be tested).
If we were to use "iw/4:-1" in place of "iw/4:ow/mdar":
640 / 4 = 160. So the new width for [main] would be 160.
360 / 4 = 90. So the new height for [main] would be 90.
160 / 90 = 16 / 9 so [main] now has the same aspect ratio as [ref]
which is probably what you do not want.
This is currently the only test for scale2ref.
Signed-off-by: Kevin Mark <kmark937@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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2-channels convolution using complex fft
improves speed significantly
not sure if it should be enabled by default
so disable it by default
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Tested-by: Michael on x86-32/64 linux, mingw, mips/arm qemu linux
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Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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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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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* qatar/master:
FATE: add a test for the ONE_STR mapping mode of the channelmap filter
Conflicts:
tests/fate/filter-audio.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'b318106fae65149356934fc72feafef3272fd4ea':
FATE: add a test for the lavr mixing case fixed in fc6a3ef40d34ce8443ae57c2452f3f273d7d4891
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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fc6a3ef40d34ce8443ae57c2452f3f273d7d4891
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* commit '874838dc6589d978611c89a40694a5074f892a76':
fate: add one select filter test
Conflicts:
tests/fate/filter-video.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This test selects alternate frames from input.
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Should fix a FATE failure.
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Also make life test a bit more useful.
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The standalone alphaextract tests are removed since already the filters
are already tested by the alphamerge tests.
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* commit 'ba8efac977f4276f05274947b2b67d144cbc965a':
af_channelmap: switch to an AVOptions-based system.
Conflicts:
doc/filters.texi
libavfilter/af_channelmap.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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