[FFmpeg-devel] [PATCH v4 1/7] avcodec/la: add LSX optimization for h264 idct.

[Shiyou Yin]

> 2023年5月25日 05:28，Michael Niedermayer <michael at niedermayer.cc> 写道：
> 
> On Wed, May 24, 2023 at 03:48:27PM +0800, Hao Chen wrote:
>> From: Shiyou Yin <yinshiyou-hf at 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 | 658 ++++++++++++
>> libavcodec/loongarch/h264idct_lasx.c | 498 ---------
>> libavcodec/loongarch/h264idct_loongarch.c | 184 ++++
>> libavcodec/loongarch/loongson_asm.S | 945 ++++++++++++++++++
>> 9 files changed, 1848 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
> 
> Applying: avcodec/la: add LSX optimization for h264 idct.
> .git/rebase-apply/patch:1431: tab in indent.
> 	} else if (nnz) {
> warning: 1 line adds whitespace errors.
> 
Thanks, will set core.witespace in gitconfig to avoid these error.