dc3e25e4d3
avcodec/lossless_videoencdsp: Constify src sub_left_predict
...
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
3 years ago
230ea38de1
avcodec/x86/lossless_videoencdsp: Remove obsolete MMX function
...
The only systems which benefit from ff_diff_bytes_mmx are truely
ancient 32bit x86s as all other systems use at least the SSE2 versions
(this includes all x64 cpus (which is why this code is restricted
to x86-32)).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
3 years ago
8f9c38b196
avcodec/utvideoenc : add SIMD (avx) for sub_left_prediction
...
asm code by Henrik Gramner
7 years ago
cf9ef83960
huffyuvencdsp: move shared functions to a new lossless_videoencdsp context
...
Signed-off-by: James Almer <jamrial@gmail.com>
8 years ago
30c1f27299
huffyuvencdsp: move functions only used by huffyuv from lossless_videodsp
...
Signed-off-by: James Almer <jamrial@gmail.com>
8 years ago
70d685a77f
x86: use the new helper macros where useful
...
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
9 years ago
5e586e1bef
huffyuvencdsp: Add ff_diff_bytes_{sse2,avx2}
...
SSE2 version 4%-35% faster than MMX depending on the width.
AVX2 version 1%-13% faster than SSE2 depending on the width.
10 years ago
6b41b44149
huffyuvencdsp: Convert ff_diff_bytes_mmx to yasm
...
Heavily based upon ff_add_bytes by Christophe Gisquet.
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
10 years ago
068e6cb732
huffyuvencdsp: Use intptr_t for width
...
It is done this way in huffyuvdsp as well.
10 years ago
512f3ffe9b
dsputil: Split off HuffYUV encoding bits into their own context
...
Also shorten HuffYUV context member names to avoid clutter.
11 years ago
Andreas Rheinhardt
Martin Vignali
James Almer
Timothy Gu
Diego Biurrun