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>

libavcodec/h264dsp.c

@@ -157,4 +157,5 @@ av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
     if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
     if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
+    if (ARCH_MIPS) ff_h264dsp_init_mips(c, bit_depth, chroma_format_idc);
 }

libavcodec/h264dsp.h

@@ -126,5 +126,7 @@ void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,
                          const int chroma_format_idc);
 void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
                          const int chroma_format_idc);
+void ff_h264dsp_init_mips(H264DSPContext *c, const int bit_depth,
+                          const int chroma_format_idc);
 
 #endif /* AVCODEC_H264DSP_H */

libavcodec/mips/Makefile

@@ -19,4 +19,6 @@ OBJS-$(CONFIG_AAC_DECODER)                += mips/aacdec_mips.o            \
 MIPSDSPR1-OBJS-$(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
+OBJS-$(CONFIG_H264DSP)                    += mips/h264dsp_init_mips.o
 MSA-OBJS-$(CONFIG_HEVC_DECODER)           += mips/hevcdsp_msa.o
+MSA-OBJS-$(CONFIG_H264DSP)                += mips/h264dsp_msa.o

libavcodec/mips/h264dsp_init_mips.c

+/*
+ * 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
+}

libavcodec/mips/h264dsp_mips.h

+/*
+ * 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
+ */
+
+#ifndef H264_DSP_MIPS_H
+#define H264_DSP_MIPS_H
+
+#include "libavcodec/h264.h"
+
+void ff_h264_h_lpf_luma_inter_msa(uint8_t *src, int stride,
+                                  int alpha, int beta, int8_t *tc0);
+void ff_h264_v_lpf_luma_inter_msa(uint8_t *src, int stride,
+                                  int alpha, int beta, int8_t *tc0);
+void ff_h264_h_lpf_chroma_inter_msa(uint8_t *src, int stride,
+                                    int alpha, int beta, int8_t *tc0);
+void ff_h264_v_lpf_chroma_inter_msa(uint8_t *src, int stride,
+                                    int alpha, int beta, int8_t *tc0);
+void ff_h264_h_loop_filter_chroma422_msa(uint8_t *src, int32_t stride,
+                                         int32_t alpha, int32_t beta,
+                                         int8_t *tc0);
+void ff_h264_h_loop_filter_chroma422_mbaff_msa(uint8_t *src, int32_t stride,
+                                               int32_t alpha, int32_t beta,
+                                               int8_t *tc0);
+void ff_h264_h_loop_filter_luma_mbaff_msa(uint8_t *src, int32_t stride,
+                                          int32_t alpha, int32_t beta,
+                                          int8_t *tc0);
+
+void ff_h264_h_lpf_luma_intra_msa(uint8_t *src, int stride,
+                                  int alpha, int beta);
+void ff_h264_v_lpf_luma_intra_msa(uint8_t *src, int stride,
+                                  int alpha, int beta);
+void ff_h264_h_lpf_chroma_intra_msa(uint8_t *src, int stride,
+                                    int alpha, int beta);
+void ff_h264_v_lpf_chroma_intra_msa(uint8_t *src, int stride,
+                                    int alpha, int beta);
+void ff_h264_h_loop_filter_luma_mbaff_intra_msa(uint8_t *src, int stride,
+                                                int alpha, int beta);
+
+void ff_biweight_h264_pixels16_8_msa(uint8_t *dst, uint8_t *src,
+                                     int stride, int height, int log2_denom,
+                                     int weightd, int weights, int offset);
+void ff_biweight_h264_pixels8_8_msa(uint8_t *dst, uint8_t *src,
+                                    int stride, int height, int log2_denom,
+                                    int weightd, int weights, int offset);
+void ff_biweight_h264_pixels4_8_msa(uint8_t *dst, uint8_t *src,
+                                    int stride, int height, int log2_denom,
+                                    int weightd, int weights, int offset);
+void ff_weight_h264_pixels16_8_msa(uint8_t *src, int stride, int height,
+                                   int log2_denom, int weight, int offset);
+void ff_weight_h264_pixels8_8_msa(uint8_t *src, int stride, int height,
+                                  int log2_denom, int weight, int offset);
+void ff_weight_h264_pixels4_8_msa(uint8_t *src, int stride, int height,
+                                  int log2_denom, int weight, int offset);
+
+#endif  // #ifndef H264_DSP_MIPS_H