This allows getting rid of the many, slightly differing, implementations
of basically the same thing.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
In order to support metadata being set as an option, it's necessary to be able
to set dictionaries as values.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
this allows disabling and enabling it
it also prevents crashes if vfpv3 and neon are disabled which previously
would have enabled the flag
And last but not least one can enable setend on cpus like cortex-a8 where
its fast but disabled by default
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
It was wrongly being exported and used by libavfilter.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This prevents a build failure when bumping.
the uses could easily be updated / removed, if people prefer.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Errors go to stderr, but the cpu stats are non error output for cputest
This fixes echoing the cpu test results
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
The arrays are fairly large and could cause problems on some embedded systems
also they are not endian safe as they mix 32 and 8bit
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
The rationale is that you have a packed format in form
<greyscale sample> <alpha sample> <greyscale sample> <alpha sample>
and shortening greyscale to 'G' might make one thing about Greenscale instead.
An alias pixel format and color space name are provided for compatibility.
libavutil/cpu-test prints raw and effective cpu flags to STDERR. Detected
cpu flags can be useful for debugging fate errors.
No comparison of the result against a expected result since that would
require fate config specific references.
Up to four instructions less depending on function and instruction set.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Only 8-bit and 10-bit idct_dc() functions are included (adding others should be trivial).
Benchmarks on an Intel Core i5-4200U:
idct8x8_dc
SSE2 MMXEXT C
cycles 22 26 57
idct16x16_dc
AVX2 SSE2 C
cycles 27 32 249
idct32x32_dc
AVX2 SSE2 C
cycles 62 126 1375
Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Mickaël Raulet <mraulet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>