avcodec: loongson optimized mpegvideo dct unquantize with mmi

Signed-off-by: ZhouXiaoyong <zhouxiaoyong@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/mips/Makefile

@@ -59,3 +59,4 @@ MSA-OBJS-$(CONFIG_ME_CMP)                 += mips/me_cmp_msa.o
 MMI-OBJS-$(CONFIG_H264DSP)                += mips/h264dsp_mmi.o
 MMI-OBJS-$(CONFIG_H264CHROMA)             += mips/h264chroma_mmi.o
 MMI-OBJS-$(CONFIG_H264PRED)               += mips/h264pred_mmi.o
+MMI-OBJS-$(CONFIG_MPEGVIDEO)              += mips/mpegvideo_mmi.o

libavcodec/mips/mpegvideo_init_mips.c

@@ -19,6 +19,7 @@
  */
 
 #include "h263dsp_mips.h"
+#include "mpegvideo_mips.h"
 
 #if HAVE_MSA
 static av_cold void dct_unquantize_init_msa(MpegEncContext *s)
@@ -29,9 +30,22 @@ static av_cold void dct_unquantize_init_msa(MpegEncContext *s)
 }
 #endif  // #if HAVE_MSA
 
+#if HAVE_MMI
+static av_cold void dct_unquantize_init_mmi(MpegEncContext *s)
+{
+    s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_mmi;
+    s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_mmi;
+    s->dct_unquantize_mpeg1_intra = ff_dct_unquantize_mpeg1_intra_mmi;
+    s->dct_unquantize_mpeg1_inter = ff_dct_unquantize_mpeg1_inter_mmi;
+}
+#endif /* HAVE_MMI */
+
 av_cold void ff_mpv_common_init_mips(MpegEncContext *s)
 {
 #if HAVE_MSA
     dct_unquantize_init_msa(s);
 #endif  // #if HAVE_MSA
+#if HAVE_MMI
+    dct_unquantize_init_mmi(s);
+#endif /* HAVE_MMI */
 }

libavcodec/mips/mpegvideo_mips.h

+/*
+ * Copyright (c) 2015 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 MPEGVIDEO_MIPS_H
+#define MPEGVIDEO_MIPS_H
+
+#include "libavcodec/mpegvideo.h"
+
+void ff_dct_unquantize_h263_intra_mmi(MpegEncContext *s, int16_t *block,
+        int n, int qscale);
+void ff_dct_unquantize_h263_inter_mmi(MpegEncContext *s, int16_t *block,
+        int n, int qscale);
+void ff_dct_unquantize_mpeg1_intra_mmi(MpegEncContext *s, int16_t *block,
+        int n, int qscale);
+void ff_dct_unquantize_mpeg1_inter_mmi(MpegEncContext *s, int16_t *block,
+        int n, int qscale);
+
+#endif /* MPEGVIDEO_MIPS_H */