avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for H264 lpf and weight/biweight functions

Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 74 insertions, 0 deletions

diff --git a/libavcodec/mips/h264dsp_init_mips.c b/libavcodec/mips/h264dsp_init_mips.c
new file mode 100644
index 0000000000..8d3d76085f
--- /dev/null
+++ b/libavcodec/mips/h264dsp_init_mips.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2015 Parag Salasakar (Parag.Salasakar@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 "h264dsp_mips.h"
+
+#if HAVE_MSA
+static av_cold void h264dsp_init_msa(H264DSPContext *c,
+                                     const int bit_depth,
+                                     const int chroma_format_idc)
+{
+    if (8 == bit_depth) {
+        c->h264_v_loop_filter_luma = ff_h264_v_lpf_luma_inter_msa;
+        c->h264_h_loop_filter_luma = ff_h264_h_lpf_luma_inter_msa;
+        c->h264_h_loop_filter_luma_mbaff =
+            ff_h264_h_loop_filter_luma_mbaff_msa;
+        c->h264_v_loop_filter_luma_intra = ff_h264_v_lpf_luma_intra_msa;
+        c->h264_h_loop_filter_luma_intra = ff_h264_h_lpf_luma_intra_msa;
+        c->h264_h_loop_filter_luma_mbaff_intra =
+            ff_h264_h_loop_filter_luma_mbaff_intra_msa;
+        c->h264_v_loop_filter_chroma = ff_h264_v_lpf_chroma_inter_msa;
+
+        if (chroma_format_idc <= 1)
+            c->h264_h_loop_filter_chroma = ff_h264_h_lpf_chroma_inter_msa;
+        else
+            c->h264_h_loop_filter_chroma =
+                ff_h264_h_loop_filter_chroma422_msa;
+
+        if (chroma_format_idc > 1)
+            c->h264_h_loop_filter_chroma_mbaff =
+                ff_h264_h_loop_filter_chroma422_mbaff_msa;
+
+        c->h264_v_loop_filter_chroma_intra =
+            ff_h264_v_lpf_chroma_intra_msa;
+
+        if (chroma_format_idc <= 1)
+            c->h264_h_loop_filter_chroma_intra =
+                ff_h264_h_lpf_chroma_intra_msa;
+
+        /* Weighted MC */
+        c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16_8_msa;
+        c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels8_8_msa;
+        c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels4_8_msa;
+
+        c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16_8_msa;
+        c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels8_8_msa;
+        c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels4_8_msa;
+    }  // if (8 == bit_depth)
+}
+#endif  // #if HAVE_MSA
+
+av_cold void ff_h264dsp_init_mips(H264DSPContext *c, const int bit_depth,
+                                  const int chroma_format_idc)
+{
+#if HAVE_MSA
+    h264dsp_init_msa(c, bit_depth, chroma_format_idc);
+#endif  // #if HAVE_MSA
+}