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N
ffmpeg-0.6.3
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${ noResults }
7 Commits (d7a5f068c237e61e5a1a45f64a7fb1224401986f)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Rémi Denis-Courmont
|
04d092e7d5 |
lavc/audiodsp: RISC-V F vector_clipf
RV64G supports MIN & MAX instructions natively only on floating point registers, not general purpose ones. The later would require the Zbb extension. Due to that, it is actually faster to perform the clipping "properly" in FPU. Benchmarks on SiFive U74-MC (courtesy of Shanghai StarFive Tech): audiodsp.vector_clipf_c: 29551.5 audiodsp.vector_clipf_rvf: 17871.0 Also tried unrolling with 2 or 8 elements but it gets worse either way. |
2 years ago |
Anton Khirnov
|
bf58545aac |
audiodsp: fix vector_clipf documentation
The x86 version processes 16 floats per iteration, so len must be a multiple of 16. |
9 years ago |
|
Anton Khirnov
|
683da86aab |
audiodsp: reorder arguments for vector_clipf
This will make the x86 asm simpler. ARM conversion by Martin Storsjö <martin@martin.st> and Janne Grunau <janne-libav@jannau.net> |
9 years ago |
Diego Biurrun
|
9a9e2f1c8a |
dsputil: Split audio operations off into a separate context
|
11 years ago |