avcodec/mips: version 1 of wmv2dsp optimizations for loongson mmi

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/mips/Makefile

@@ -36,6 +36,7 @@ OBJS-$(CONFIG_MPEGVIDEO)                  += mips/mpegvideo_init_mips.o
 OBJS-$(CONFIG_MPEGVIDEOENC)               += mips/mpegvideoencdsp_init_mips.o
 OBJS-$(CONFIG_ME_CMP)                     += mips/me_cmp_init_mips.o
 OBJS-$(CONFIG_MPEG4_DECODER)              += mips/xvididct_init_mips.o
+OBJS-$(CONFIG_WMV2DSP)                    += mips/wmv2dsp_init_mips.o
 MSA-OBJS-$(CONFIG_HEVC_DECODER)           += mips/hevcdsp_msa.o            \
                                              mips/hevc_mc_uni_msa.o        \
                                              mips/hevc_mc_uniw_msa.o       \
@@ -79,3 +80,4 @@ MMI-OBJS-$(CONFIG_PIXBLOCKDSP)            += mips/pixblockdsp_mmi.o
 MMI-OBJS-$(CONFIG_H264QPEL)               += mips/h264qpel_mmi.o
 MMI-OBJS-$(CONFIG_VP8_DECODER)            += mips/vp8dsp_mmi.o
 MMI-OBJS-$(CONFIG_HPELDSP)                += mips/hpeldsp_mmi.o
+MMI-OBJS-$(CONFIG_WMV2DSP)                += mips/wmv2dsp_mmi.o

libavcodec/mips/wmv2dsp_init_mips.c

+/*
+ * Copyright (c) 2016 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
+ *
+ * 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/attributes.h"
+#include "wmv2dsp_mips.h"
+
+#if HAVE_MMI
+static av_cold void wmv2dsp_init_mmi(WMV2DSPContext *c)
+{
+    c->idct_add  = ff_wmv2_idct_add_mmi;
+    c->idct_put  = ff_wmv2_idct_put_mmi;
+}
+#endif /* HAVE_MMI */
+
+av_cold void ff_wmv2dsp_init_mips(WMV2DSPContext *c)
+{
+#if HAVE_MMI
+    wmv2dsp_init_mmi(c);
+#endif /* HAVE_MMI */
+}

libavcodec/mips/wmv2dsp_mips.h

+/*
+ * Copyright (c) 2016 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
+ *
+ * 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_WMV2DSP_MIPS_H
+#define AVCODEC_MIPS_WMV2DSP_MIPS_H
+
+#include "libavcodec/wmv2dsp.h"
+
+void ff_wmv2_idct_add_mmi(uint8_t *dest, int line_size, int16_t *block);
+void ff_wmv2_idct_put_mmi(uint8_t *dest, int line_size, int16_t *block);
+
+#endif /* AVCODEC_MIPS_WMV2DSP_MIPS_H */

libavcodec/wmv2dsp.c

@@ -262,4 +262,7 @@ av_cold void ff_wmv2dsp_init(WMV2DSPContext *c)
     c->put_mspel_pixels_tab[5] = put_mspel8_mc12_c;
     c->put_mspel_pixels_tab[6] = put_mspel8_mc22_c;
     c->put_mspel_pixels_tab[7] = put_mspel8_mc32_c;
+
+    if (ARCH_MIPS)
+        ff_wmv2dsp_init_mips(c);
 }

libavcodec/wmv2dsp.h

@@ -33,5 +33,6 @@ typedef struct WMV2DSPContext {
 } WMV2DSPContext;
 
 void ff_wmv2dsp_init(WMV2DSPContext *c);
+void ff_wmv2dsp_init_mips(WMV2DSPContext *c);
 
 #endif /* AVCODEC_WMV2DSP_H */