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N
ffmpeg-0.6.3
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${ noResults }
17 Commits (fc3eb173f493344bc69feabaca108f7ca1dfccee)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Janne Grunau
|
90b1b9350c |
arm: add ff_int32_to_float_fmul_array8_neon
Quite a bit faster than int32_to_float_fmul_array8_c calling
ff_int32_to_float_fmul_scalar_neon through FmtConvertContext.
Number of cycles per int32_to_float_fmul_array8 call while decoding
padded.dts on exynos5422:
before after change
cortex-a7: 1270 951 -25%
cortex-a15: 434 285 -34%
checkasm --bench cycle counts: cortex-a15 cortex-a7
int32_to_float_fmul_array8_c: 1730.4 4384.5
int32_to_float_fmul_array8_neon_c: 571.5 1694.3
int32_to_float_fmul_array8_neon: 374.0 1448.8
Interesting are the differences between
int32_to_float_fmul_array8_neon_c and int32_to_float_fmul_array8_neon.
The former is current behaviour of calling
ff_int32_to_float_fmul_scalar_neon repeatedly from the c function,
The raw numbers differ since checkasm uses different lengths than the
dca decoder.
|
9 years ago |
Anton Khirnov
|
d74a8cb7e4 |
fmtconvert: drop unused functions
|
10 years ago |
Martin Storsjö
|
5bcbb516f2 |
arm: Add X() around all references to extern symbols
Don't rely on the fact that an unprefixed label currently exists. Signed-off-by: Martin Storsjö <martin@martin.st> |
11 years ago |
Mans Rullgard
|
5e826fd65e |
ARM: set Tag_ABI_align_preserved in all asm files
All our ARM asm preserves alignment so setting this attribute in a common location is simpler. This removes numerous warnings when linking with armcc. Signed-off-by: Mans Rullgard <mans@mansr.com> |
12 years ago |
Justin Ruggles
|
94d2b0d2fd |
ARM: Move asm.S from libavcodec to libavutil
This will allow for easier implementation of ARM-optimized functions in libraries other than libavcodec. |
13 years ago |
|
Mans Rullgard
|
3a0b72dee0 |
ARM: remove needless .text/.align directives
The 'function' macro already includes the appropriate directives. Signed-off-by: Mans Rullgard <mans@mansr.com> |
13 years ago |
|
Mans Rullgard
|
8986fddc2b |
ARM: allow building in Thumb2 mode
Signed-off-by: Mans Rullgard <mans@mansr.com> |
14 years ago |
|
Mans Rullgard
|
2912e87a6c |
Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <mans@mansr.com> |
14 years ago |
|
Justin Ruggles
|
fe2ff6d247 |
Separate format conversion DSP functions from DSPContext.
This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit
|
14 years ago |
|
Justin Ruggles
|
c73d99e672 |
Separate format conversion DSP functions from DSPContext.
This will be beneficial for use with the audio conversion API without requiring it to depend on all of dsputil. Signed-off-by: Mans Rullgard <mans@mansr.com> |
14 years ago |