avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for VP9 MC functions

This patch adds MSA (MIPS-SIMD-Arch) optimizations for VP9 MC functions in new file vp9_mc_msa.c

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/mips/Makefile

@@ -20,6 +20,7 @@ MIPSDSPR1-OBJS-$(CONFIG_AAC_ENCODER)      += mips/aaccoder_mips.o
 MIPSFPU-OBJS-$(CONFIG_AAC_ENCODER)        += mips/iirfilter_mips.o
 OBJS-$(CONFIG_HEVC_DECODER)               += mips/hevcdsp_init_mips.o      \
                                              mips/hevcpred_init_mips.o
+OBJS-$(CONFIG_VP9_DECODER)                += mips/vp9dsp_init_mips.o
 OBJS-$(CONFIG_H264DSP)                    += mips/h264dsp_init_mips.o
 OBJS-$(CONFIG_H264QPEL)                   += mips/h264qpel_init_mips.o
 OBJS-$(CONFIG_H264CHROMA)                 += mips/h264chroma_init_mips.o
@@ -41,6 +42,7 @@ MSA-OBJS-$(CONFIG_HEVC_DECODER)           += mips/hevcdsp_msa.o            \
                                              mips/hevc_idct_msa.o          \
                                              mips/hevc_lpf_sao_msa.o       \
                                              mips/hevcpred_msa.o
+MSA-OBJS-$(CONFIG_VP9_DECODER)            += mips/vp9_mc_msa.o
 MSA-OBJS-$(CONFIG_H264DSP)                += mips/h264dsp_msa.o            \
                                              mips/h264idct_msa.o
 MSA-OBJS-$(CONFIG_H264QPEL)               += mips/h264qpel_msa.o

libavcodec/mips/vp9dsp_init_mips.c

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
+ *
+ * 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 "config.h"
+#include "libavutil/common.h"
+#include "libavcodec/vp9dsp.h"
+#include "vp9dsp_mips.h"
+
+#if HAVE_MSA
+
+static av_cold void vp9dsp_mc_init_msa(VP9DSPContext *dsp, int bpp)
+{
+    if (bpp == 8) {
+#define init_fpel(idx1, idx2, sz, type)                                    \
+    dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = ff_##type##sz##_msa;  \
+    dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = ff_##type##sz##_msa;  \
+    dsp->mc[idx1][FILTER_8TAP_SHARP  ][idx2][0][0] = ff_##type##sz##_msa;  \
+    dsp->mc[idx1][FILTER_BILINEAR    ][idx2][0][0] = ff_##type##sz##_msa
+
+#define init_copy_avg(idx, sz)    \
+    init_fpel(idx, 0, sz, copy);  \
+    init_fpel(idx, 1, sz, avg)
+
+#define init_avg(idx, sz)  \
+    init_fpel(idx, 1, sz, avg)
+
+    init_copy_avg(0, 64);
+    init_copy_avg(1, 32);
+    init_copy_avg(2, 16);
+    init_copy_avg(3,  8);
+    init_avg(4,  4);
+
+#undef init_copy_avg
+#undef init_avg
+#undef init_fpel
+
+#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type)  \
+    dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] =   \
+        ff_##type##_8tap_smooth_##sz##dir##_msa;             \
+    dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] =   \
+        ff_##type##_8tap_regular_##sz##dir##_msa;            \
+    dsp->mc[idx1][FILTER_8TAP_SHARP  ][idx2][idxh][idxv] =   \
+        ff_##type##_8tap_sharp_##sz##dir##_msa;
+
+#define init_subpel2(idx, idxh, idxv, dir, type)      \
+    init_subpel1(0, idx, idxh, idxv, 64, dir, type);  \
+    init_subpel1(1, idx, idxh, idxv, 32, dir, type);  \
+    init_subpel1(2, idx, idxh, idxv, 16, dir, type);  \
+    init_subpel1(3, idx, idxh, idxv,  8, dir, type);  \
+    init_subpel1(4, idx, idxh, idxv,  4, dir, type)
+
+#define init_subpel3(idx, type)         \
+    init_subpel2(idx, 1, 1, hv, type);  \
+    init_subpel2(idx, 0, 1, v, type);   \
+    init_subpel2(idx, 1, 0, h, type)
+
+    init_subpel3(0, put);
+    init_subpel3(1, avg);
+
+#undef init_subpel1
+#undef init_subpel2
+#undef init_subpel3
+    }
+}
+
+static av_cold void vp9dsp_init_msa(VP9DSPContext *dsp, int bpp)
+{
+    vp9dsp_mc_init_msa(dsp, bpp);
+}
+#endif  // #if HAVE_MSA
+
+av_cold void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp)
+{
+#if HAVE_MSA
+    vp9dsp_init_msa(dsp, bpp);
+#endif  // #if HAVE_MSA
+}

libavcodec/mips/vp9dsp_mips.h

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_MIPS_VP9DSP_MIPS_H
+#define AVCODEC_MIPS_VP9DSP_MIPS_H
+
+#define VP9_8TAP_MIPS_MSA_FUNC(SIZE, type, type_idx)                         \
+void ff_put_8tap_##type##_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride,   \
+                                        const uint8_t *src,                  \
+                                        ptrdiff_t srcstride,                 \
+                                        int h, int mx, int my);              \
+                                                                             \
+void ff_put_8tap_##type##_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride,   \
+                                        const uint8_t *src,                  \
+                                        ptrdiff_t srcstride,                 \
+                                        int h, int mx, int my);              \
+                                                                             \
+void ff_put_8tap_##type##_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride,  \
+                                         const uint8_t *src,                 \
+                                         ptrdiff_t srcstride,                \
+                                         int h, int mx, int my);             \
+                                                                             \
+void ff_avg_8tap_##type##_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride,   \
+                                        const uint8_t *src,                  \
+                                        ptrdiff_t srcstride,                 \
+                                        int h, int mx, int my);              \
+                                                                             \
+void ff_avg_8tap_##type##_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride,   \
+                                        const uint8_t *src,                  \
+                                        ptrdiff_t srcstride,                 \
+                                        int h, int mx, int my);              \
+                                                                             \
+void ff_avg_8tap_##type##_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride,  \
+                                         const uint8_t *src,                 \
+                                         ptrdiff_t srcstride,                \
+                                         int h, int mx, int my);
+
+#define VP9_COPY_AVG_MIPS_MSA_FUNC(SIZE)                           \
+void ff_copy##SIZE##_msa(uint8_t *dst, ptrdiff_t dststride,        \
+                         const uint8_t *src, ptrdiff_t srcstride,  \
+                         int h, int mx, int my);                   \
+                                                                   \
+void ff_avg##SIZE##_msa(uint8_t *dst, ptrdiff_t dststride,         \
+                        const uint8_t *src, ptrdiff_t srcstride,   \
+                        int h, int mx, int my);
+
+VP9_8TAP_MIPS_MSA_FUNC(64, regular, FILTER_8TAP_REGULAR);
+VP9_8TAP_MIPS_MSA_FUNC(32, regular, FILTER_8TAP_REGULAR);
+VP9_8TAP_MIPS_MSA_FUNC(16, regular, FILTER_8TAP_REGULAR);
+VP9_8TAP_MIPS_MSA_FUNC(8, regular, FILTER_8TAP_REGULAR);
+VP9_8TAP_MIPS_MSA_FUNC(4, regular, FILTER_8TAP_REGULAR);
+
+VP9_8TAP_MIPS_MSA_FUNC(64, sharp, FILTER_8TAP_SHARP);
+VP9_8TAP_MIPS_MSA_FUNC(32, sharp, FILTER_8TAP_SHARP);
+VP9_8TAP_MIPS_MSA_FUNC(16, sharp, FILTER_8TAP_SHARP);
+VP9_8TAP_MIPS_MSA_FUNC(8, sharp, FILTER_8TAP_SHARP);
+VP9_8TAP_MIPS_MSA_FUNC(4, sharp, FILTER_8TAP_SHARP);
+
+VP9_8TAP_MIPS_MSA_FUNC(64, smooth, FILTER_8TAP_SMOOTH);
+VP9_8TAP_MIPS_MSA_FUNC(32, smooth, FILTER_8TAP_SMOOTH);
+VP9_8TAP_MIPS_MSA_FUNC(16, smooth, FILTER_8TAP_SMOOTH);
+VP9_8TAP_MIPS_MSA_FUNC(8, smooth, FILTER_8TAP_SMOOTH);
+VP9_8TAP_MIPS_MSA_FUNC(4, smooth, FILTER_8TAP_SMOOTH);
+
+VP9_COPY_AVG_MIPS_MSA_FUNC(64);
+VP9_COPY_AVG_MIPS_MSA_FUNC(32);
+VP9_COPY_AVG_MIPS_MSA_FUNC(16);
+VP9_COPY_AVG_MIPS_MSA_FUNC(8);
+VP9_COPY_AVG_MIPS_MSA_FUNC(4);
+
+#undef VP9_8TAP_MIPS_MSA_FUNC
+#undef VP9_COPY_AVG_MIPS_MSA_FUNC
+
+#endif  // #ifndef AVCODEC_MIPS_VP9DSP_MIPS_H

libavcodec/vp9dsp.c

@@ -37,4 +37,5 @@ av_cold void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp)
     }
 
     if (ARCH_X86) ff_vp9dsp_init_x86(dsp, bpp);
+    if (ARCH_MIPS) ff_vp9dsp_init_mips(dsp, bpp);
 }

libavcodec/vp9dsp.h

@@ -127,5 +127,6 @@ void ff_vp9dsp_init_10(VP9DSPContext *dsp);
 void ff_vp9dsp_init_12(VP9DSPContext *dsp);
 
 void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp);
+void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
 
 #endif /* AVCODEC_VP9DSP_H */