> 2023年5月17日 15:03，Hao Chen <chen...@loongson.cn> 写道：
>
> From: Shiyou Yin <yinshiyou...@loongson.cn>
>
> loongson_asm.S is LoongArch asm optimization helper.
> Add functions:
> ff_h264_idct_add_8_lsx
> ff_h264_idct8_add_8_lsx
> ff_h264_idct_dc_add_8_lsx
> ff_h264_idct8_dc_add_8_lsx
> ff_h264_idct_add16_8_lsx
> ff_h264_idct8_add4_8_lsx
> ff_h264_idct_add8_8_lsx
> ff_h264_idct_add8_422_8_lsx
> ff_h264_idct_add16_intra_8_lsx
> ff_h264_luma_dc_dequant_idct_8_lsx
> Replaced function(LSX is sufficient for these functions):
> ff_h264_idct_add_lasx
> ff_h264_idct4x4_addblk_dc_lasx
> ff_h264_idct_add16_lasx
> ff_h264_idct8_add4_lasx
> ff_h264_idct_add8_lasx
> ff_h264_idct_add8_422_lasx
> ff_h264_idct_add16_intra_lasx
> ff_h264_deq_idct_luma_dc_lasx
> Renamed functions:
> ff_h264_idct8_addblk_lasx ==> ff_h264_idct8_add_8_lasx
> ff_h264_idct8_dc_addblk_lasx ==> ff_h264_idct8_dc_add_8_lasx
>
> ./configure --disable-lasx
> ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
> before: 155fps
> after: 161fps
> ---
> libavcodec/loongarch/Makefile | 3 +-
> libavcodec/loongarch/h264_deblock_lasx.c | 2 +-
> libavcodec/loongarch/h264dsp_init_loongarch.c | 39 +-
> libavcodec/loongarch/h264dsp_lasx.c | 2 +-
> .../{h264dsp_lasx.h => h264dsp_loongarch.h} | 60 +-
> libavcodec/loongarch/h264idct.S | 659 ++++++++++++
> libavcodec/loongarch/h264idct_lasx.c | 498 ---------
> libavcodec/loongarch/h264idct_loongarch.c | 185 ++++
> libavcodec/loongarch/loongson_asm.S | 946 ++++++++++++++++++
> 9 files changed, 1851 insertions(+), 543 deletions(-)
> rename libavcodec/loongarch/{h264dsp_lasx.h => h264dsp_loongarch.h} (68%)
> create mode 100644 libavcodec/loongarch/h264idct.S
> delete mode 100644 libavcodec/loongarch/h264idct_lasx.c
> create mode 100644 libavcodec/loongarch/h264idct_loongarch.c
> create mode 100644 libavcodec/loongarch/loongson_asm.S
>
LGTM
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