>-----Original Message----- >From: 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 >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. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
