The x86 runs short on registers because numerous elements are not static.
In addition, splitting them allows more optimized code, at least for x86.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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>
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: 8e77c3846e
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>
