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>

1 files changed, 94 insertions, 0 deletions

diff --git a/libavcodec/mips/vp9dsp_init_mips.c b/libavcodec/mips/vp9dsp_init_mips.c
new file mode 100644
index 0000000000..ad4ef1aa6b
--- /dev/null
+++ b/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
+}