It is currently declared as a macro who is set to inlinable functions,
among which a Neon and a default C implementations.
Add a DSP parameter to each inline function, unused except by the
default C implementation which calls a function from the DSP context.
On an Arrandale CPU, gain for an inlined SSE2 function vs. a call:
- Win32: 29 to 26 cycles
- Win64: 25 to 23 cycles
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
The x86 runs short on registers because numerous elements are not static.
In addition, splitting them allows more optimized code, at least for x86.
Arm asm changes by Janne Grunau.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
For the callable function (as opposed to the inline one):
C SSE SSE2 SSE4
Win32: 47 42 29 26
Win64: 30 33 25 23
The SSE version is neither compiled nor set for ARCH_X86_64, as the
inlinable function takes over.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
It is currently declared as a macro who is set to inlinable functions,
among which a Neon and a default C implementations.
Add a DSP parameter to each inline function, unused except by the
default C implementation which calls a function from the DSP context.
On an Arrandale CPU, gain for an inlined SSE2 function vs. a call:
- Win32: 29 to 26 cycles
- Win64: 25 to 23 cycles
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
* commit '30d70e79a6b4ac7f4eb66446a9da275161ef6ea7':
dcadec: set AV_FRAME_DATA_MATRIXENCODING side data.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '6bfdb2de881372048be7fbda643417e1fd3ce93c':
dcadec: set the output channel mode more accurately.
Conflicts:
libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
When downmixing 2.1 to 2-channel, if the 2.0 portion is Lt/Rt, sum-difference or dual mono, the actual output will be the same (with the LFE either mixed-in or discarded).
Also, when downmixing an arbitrary layout to 2-channel, if the bitstream contains custom downmix coefficients targeting Lt/Rt, then the output will be Lt/Rt rather than regular Stereo.
* commit '220494ad0b2e9e980ef703b46b69308236f29be5':
dcadec: treat all 2-channel modes as Stereo in dca_downmix.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'aaa44d0299338e3bc90128816c21dbfab06cdb48':
dca: support mixing LFE in dca_downmix.
Conflicts:
libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '25609b63d2e07d26d610f485a22082d32c96c0f5':
dcadec: store the stereo downmix coefficients as float in the DCAContext.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
The check for (prim_channels > 2) before calling dca_downmix made these
cases unreachable, but now 2.1 layouts will go through the downmix code.
Having dual mono, Lt/Rt and sum-difference layouts print errors when
regular Stereo doesn't seems pointless.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
It was based on an old, seemingly incorrect specification, so default
coefficients were always used anyway.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
* commit '3802833bc1f79775a1547c5e427fed6e92b77e53':
dca: Respect the current limits in the downmixing capabilities
Conflicts:
libavcodec/dcadec.c
See: 8e77c3846e91b1af9df4084736257d9899156eef
Merged-by: Michael Niedermayer <michaelni@gmx.at>
It was previously declared as int.
Does not change fate results for x86.
Conflicts:
libavcodec/ppc/fmtconvert_altivec.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '1db6a080bddd14fed6b29140ecd2e21e42b1c022':
dca: Move ff_dca_convert_bitstream() to the DCA common code
vdpau: wrap codec specific functions in appropiate #ifs
Conflicts:
libavcodec/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
