From: Shen Peiting <shenpeit...@eswincomputing.com> We optimized the six interfaces of AC3 init by RVV, the optimized performance was tested on the RISC-V ISA simulator--Spike, and the results were attached to each commit.
shenpeiting (6): lavc/ac3dsp: RISC-V V ac3_exponent_min lavc/ac3dsp: RISC-V V float_to_fixed24 lavc/ac3dsp: RISC-V V ac3_sum_square_butterfly_int32 lavc/ac3dsp: RISC-V V ac3_sum_square_butterfly_float lavc/ac3dsp: RISC-V V ac3_compute_mantissa_size lavc/ac3dsp: RISC-V B ac3_extract_exponents libavcodec/ac3dsp.c | 2 + libavcodec/ac3dsp.h | 1 + libavcodec/riscv/Makefile | 3 + libavcodec/riscv/ac3dsp_init.c | 60 +++++++++ libavcodec/riscv/ac3dsp_rvb.S | 42 ++++++ libavcodec/riscv/ac3dsp_rvv.S | 225 +++++++++++++++++++++++++++++++++ 6 files changed, 333 insertions(+) create mode 100644 libavcodec/riscv/ac3dsp_init.c create mode 100644 libavcodec/riscv/ac3dsp_rvb.S create mode 100644 libavcodec/riscv/ac3dsp_rvv.S -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".