This is a fairly dumb copy of the assembly for 8-bit samples but it
works and produces identical output to the C version. The options have
been tested on an Athlon64 and a Core2Quad.
Athlon64:
1810385 decicycles in C, 32726 runs, 42 skips
1080744 decicycles in mmx, 32744 runs, 24 skips, 1.7x faster
818315 decicycles in sse2, 32735 runs, 33 skips, 2.2x faster
Core2Quad:
924025 decicycles in C, 32750 runs, 18 skips
623995 decicycles in mmx, 32767 runs, 1 skips, 1.5x faster
406223 decicycles in sse2, 32764 runs, 4 skips, 2.3x faster
387842 decicycles in ssse3, 32767 runs, 1 skips, 2.4x faster
307726 decicycles in sse4, 32763 runs, 5 skips, 3.0x faster
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Since lavfi works natively with AVFrame now, these functions are no longer
necessary and can be removed in a future bump.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* qatar/master:
af_join: do not leak input frames.
asrc_anullsrc: return EOF, not -1
Conflicts:
libavfilter/asrc_anullsrc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'e4a7b2177d14678ae240edcabaacfe2b14619b7b':
vf_showinfo: remove its useless init function
AVOptions: fix using named constants with child contexts.
Conflicts:
libavutil/opt.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '9676b9a2cdc4a90611188fc48d8d388e427997c5':
AVOption: remove an unused function parameter.
filters.texi: restore mistakenly removed section name for noformat
avfiltergraph: use sizeof(var) instead of sizeof(type)
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This reverts commit 9efcfbed9d.
All the shame on me; this commit is actually causing more problems
(broken outputs but also crashes) than it was solving.
Before this change, the audio input and output formats are set
independently, so the lavfi negociation could pick different settings
for the input and output. This is particularly true for the channel
layout settings, where multiple choices were available.
Fixes Ticket2342.
Always use the special filter for the first and last 3 columns (only).
Changes made in 64ed397 slowed the filter to just under 3/4 of what it
was. This commit restores the speed while maintaining identical output.
For reference, on my Athlon64:
1733222 decicycles in old
2358563 decicycles in new
1727558 decicycles in this
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* qatar/master:
hqdn3d: Fix out of array read in LOWPASS
cabac: remove unused argument of ff_init_cabac_states()
rawdec: fix a typo -- || instead of |
Conflicts:
libavcodec/cabac.c
libavcodec/h264.c
libavfilter/vf_hqdn3d.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '555000c7d5c1e13043a948ebc48d2939b0ba6536':
h264: check that DPB is allocated before accessing it in flush_dpb()
vf_hqdn3d: fix uninitialized variable use
vf_gradfun: fix uninitialized variable use
Merged-by: Michael Niedermayer <michaelni@gmx.at>
