VP9 decoding speed improved about 60.5%(from 38fps to 61fps, tested on loongson
3A3000).
---
libavcodec/mips/Makefile | 1 +
libavcodec/mips/vp9_mc_mmi.c | 628 +
libavcodec/mips/vp9dsp_init_mips.c | 42 +++
libavcodec/mips/vp9dsp_mips.h | 50 +++
libavutil/mips/mmiutils.h | 15 +
5 files changed, 736 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 000..e7a8387
--- /dev/null
+++ b/libavcodec/mips/vp9_mc_mmi.c
@@ -0,0 +1,628 @@
+/*
+ * Copyright (c) 2019 gxw
+ *
+ * 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"
+
+static void
