> 在 2019年2月21日，上午9:55，Shiyou Yin <yinshiyou...@loongson.cn> 写道： > >> -----Original Message----- >> From: ffmpeg-devel-boun...@ffmpeg.org >> <mailto:ffmpeg-devel-boun...@ffmpeg.org> >> [mailto:ffmpeg-devel-boun...@ffmpeg.org >> <mailto:ffmpeg-devel-boun...@ffmpeg.org>] On Behalf Of gxw >> Sent: Tuesday, February 19, 2019 11:02 AM >> To: ffmpeg-devel@ffmpeg.org <mailto:ffmpeg-devel@ffmpeg.org> >> Cc: gxw >> Subject: [FFmpeg-devel] [PATCH] avcodec/mips: [loongson] mmi optimizations >> for VP9 put and avg >> functions >> >> VP9 decoding speed improved about 109.3%(from 32fps to 67fps, tested on >> loongson 3A3000). >> --- >> libavcodec/mips/Makefile | 1 + >> libavcodec/mips/vp9_mc_mmi.c | 680 >> +++++++++++++++++++++++++++++++++++++ >> libavcodec/mips/vp9dsp_init_mips.c | 42 +++ >> libavcodec/mips/vp9dsp_mips.h | 50 +++ >> 4 files changed, 773 insertions(+) >> create mode 100644 libavcodec/mips/vp9_mc_mmi.c >> >> diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile >> index c827649..c5b54d5 100644 >> --- a/libavcodec/mips/Makefile >> +++ b/libavcodec/mips/Makefile >> @@ -88,3 +88,4 @@ MMI-OBJS-$(CONFIG_VC1_DECODER) += >> mips/vc1dsp_mmi.o >> MMI-OBJS-$(CONFIG_WMV2DSP) += mips/wmv2dsp_mmi.o >> MMI-OBJS-$(CONFIG_HEVC_DECODER) += mips/hevcdsp_mmi.o >> MMI-OBJS-$(CONFIG_VP3DSP) += mips/vp3dsp_idct_mmi.o >> +MMI-OBJS-$(CONFIG_VP9_DECODER) += mips/vp9_mc_mmi.o >> diff --git a/libavcodec/mips/vp9_mc_mmi.c b/libavcodec/mips/vp9_mc_mmi.c >> new file mode 100644 >> index 0000000..145bbff >> --- /dev/null >> +++ b/libavcodec/mips/vp9_mc_mmi.c >> @@ -0,0 +1,680 @@ >> +/* >> + * Copyright (c) 2019 gxw <guxiwei...@loongson.cn> >> + * >> + * This file is part of FFmpeg. >> + * >> + * FFmpeg is free software; you can redistribute it and/or >> + * modify it under the terms of the GNU Lesser General Public >> + * License as published by the Free Software Foundation; either >> + * version 2.1 of the License, or (at your option) any later version. >> + * >> + * FFmpeg is distributed in the hope that it will be useful, >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU >> + * Lesser General Public License for more details. >> + * >> + * You should have received a copy of the GNU Lesser General Public >> + * License along with FFmpeg; if not, write to the Free Software >> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 >> USA >> + */ >> + >> +#include "libavcodec/vp9dsp.h" >> +#include "libavutil/mips/mmiutils.h" >> +#include "vp9dsp_mips.h" >> + >> +#define GET_DATA_H_MMI \ >> + "pmaddhw %[ftmp4], %[ftmp4], %[filter1] \n\t" \ >> + "pmaddhw %[ftmp5], %[ftmp5], %[filter2] \n\t" \ >> + "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \ >> + "punpckhwd %[ftmp5], %[ftmp4], %[ftmp0] \n\t" \ >> + "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \ >> + "pmaddhw %[ftmp6], %[ftmp6], %[filter1] \n\t" \ >> + "pmaddhw %[ftmp7], %[ftmp7], %[filter2] \n\t" \ >> + "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \ >> + "punpckhwd %[ftmp7], %[ftmp6], %[ftmp0] \n\t" \ >> + "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \ >> + "punpcklwd %[srcl], %[ftmp4], %[ftmp6] \n\t" \ >> + "pmaddhw %[ftmp8], %[ftmp8], %[filter1] \n\t" \ >> + "pmaddhw %[ftmp9], %[ftmp9], %[filter2] \n\t" \ >> + "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \ >> + "punpckhwd %[ftmp9], %[ftmp8], %[ftmp0] \n\t" \ >> + "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \ >> + "pmaddhw %[ftmp10], %[ftmp10], %[filter1] \n\t" \ >> + "pmaddhw %[ftmp11], %[ftmp11], %[filter2] \n\t" \ >> + "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \ >> + "punpckhwd %[ftmp11], %[ftmp10], %[ftmp0] \n\t" \ >> + "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \ >> + "punpcklwd %[srch], %[ftmp8], %[ftmp10] \n\t" >> + >> +#define GET_DATA_V_MMI \ >> + "punpcklhw %[srcl], %[ftmp4], %[ftmp5] \n\t" \ >> + "pmaddhw %[srcl], %[srcl], %[filter10] \n\t" \ >> + "punpcklhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \ >> + "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ >> + "punpcklhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \ >> + "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ >> + "punpcklhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \ >> + "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ >> + "punpckhhw %[srch], %[ftmp4], %[ftmp5] \n\t" \ >> + "pmaddhw %[srch], %[srch], %[filter10] \n\t" \ >> + "punpckhhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \ >> + "paddw %[srch], %[srch], %[ftmp12] \n\t" \ >> + "punpckhhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \ >> + "paddw %[srch], %[srch], %[ftmp12] \n\t" \ >> + "punpckhhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \ >> + "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \ >> + "paddw %[srch], %[srch], %[ftmp12] \n\t" >> + >> +#define ROUND_POWER_OF_TWO_MMI \ >> + /* Add 64 */ \ >> + "li %[tmp0], 0x40 \n\t" \ >> + "dmtc1 %[tmp0], %[ftmp6] \n\t" \ >> + "punpcklwd %[ftmp6], %[ftmp6], %[ftmp6] \n\t" \ >> + "paddw %[srcl], %[srcl], %[ftmp6] \n\t" \ >> + "paddw %[srch], %[srch], %[ftmp6] \n\t" \ >> + /* Arithmetic right shift 7 bits */ \ >> + "li %[tmp0], 0x07 \n\t" \ >> + "dmtc1 %[tmp0], %[ftmp5] \n\t" \ >> + "psraw %[srcl], %[srcl], %[ftmp5] \n\t" \ >> + "psraw %[srch], %[srch], %[ftmp5] \n\t" >> + >> +#define CLIP_PIXEL_MMI \ >> + /* Staturated operation */ \ >> + "packsswh %[srcl], %[srcl], %[srch] \n\t" \ >> + "packushb %[ftmp12], %[srcl], %[ftmp0] \n\t" > > Suggest moving ROUND_POWER_OF_TWO_MMI and CLIP_PIXEL_MMI into > libavutil/mips/mmiutils.h and make it more universal. >
Thanks, will apply. Warmest regards. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
