[FFmpeg-devel] [PATCH] avcodec: loongson optimize blockdsp with mmi
周晓勇
zhouxiaoyong at loongson.cn
Tue Jul 21 15:29:11 CEST 2015
>From 431c8fe5d418d79d5c7cb137499a26e88e6c84dc Mon Sep 17 00:00:00 2001
From: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
Date: Tue, 21 Jul 2015 20:55:51 +0800
Subject: [PATCH] avcodec: loongson optimize blockdsp with mmi
Signed-off-by: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
---
libavcodec/mips/Makefile | 1 +
libavcodec/mips/blockdsp_init_mips.c | 16 ++++
libavcodec/mips/blockdsp_mips.h | 6 ++
libavcodec/mips/blockdsp_mmi.c | 147 +++++++++++++++++++++++++++++++++++
4 files changed, 170 insertions(+)
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index a105661..da91608 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -67,3 +67,4 @@ MMI-OBJS-$(CONFIG_MPEGVIDEO) += mips/mpegvideo_mmi.o
MMI-OBJS-$(CONFIG_IDCTDSP) += mips/idctdsp_mmi.o \
mips/simple_idct_mmi.o
MMI-OBJS-$(CONFIG_MPEG4_DECODER) += mips/xvid_idct_mmi.o
+MMI-OBJS-$(CONFIG_BLOCKDSP) += mips/blockdsp_mmi.o
diff --git a/libavcodec/mips/blockdsp_init_mips.c b/libavcodec/mips/blockdsp_init_mips.c
index 99ae316..2278613 100644
--- a/libavcodec/mips/blockdsp_init_mips.c
+++ b/libavcodec/mips/blockdsp_init_mips.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2015 Parag Salasakar (parag.salasakar at imgtec.com)
+ * Zhou Xiaoyong <zhouxiaoyong at loongson.cn>
*
* This file is part of FFmpeg.
*
@@ -32,9 +33,24 @@ static av_cold void blockdsp_init_msa(BlockDSPContext *c,
}
#endif // #if HAVE_MSA
+#if HAVE_MMI
+static av_cold void blockdsp_init_mmi(BlockDSPContext *c,
+ unsigned high_bit_depth)
+{
+ c->clear_block = ff_clear_block_mmi;
+ c->clear_blocks = ff_clear_blocks_mmi;
+
+ c->fill_block_tab[0] = ff_fill_block16_mmi;
+ c->fill_block_tab[1] = ff_fill_block8_mmi;
+}
+#endif /* HAVE_MMI */
+
void ff_blockdsp_init_mips(BlockDSPContext *c, unsigned high_bit_depth)
{
#if HAVE_MSA
blockdsp_init_msa(c, high_bit_depth);
#endif // #if HAVE_MSA
+#if HAVE_MMI
+ blockdsp_init_mmi(c, high_bit_depth);
+#endif /* HAVE_MMI */
}
diff --git a/libavcodec/mips/blockdsp_mips.h b/libavcodec/mips/blockdsp_mips.h
index 0b6bb67..9559d40 100644
--- a/libavcodec/mips/blockdsp_mips.h
+++ b/libavcodec/mips/blockdsp_mips.h
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2015 Parag Salasakar (parag.salasakar at imgtec.com)
+ * Zhou Xiaoyong <zhouxiaoyong at loongson.cn>
*
* This file is part of FFmpeg.
*
@@ -28,4 +29,9 @@ void ff_fill_block8_msa(uint8_t *src, uint8_t val, int stride, int height);
void ff_clear_block_msa(int16_t *block);
void ff_clear_blocks_msa(int16_t *block);
+void ff_fill_block16_mmi(uint8_t *block, uint8_t value, int line_size, int h);
+void ff_fill_block8_mmi(uint8_t *block, uint8_t value, int line_size, int h);
+void ff_clear_block_mmi(int16_t *block);
+void ff_clear_blocks_mmi(int16_t *block);
+
#endif // #ifndef AVCODEC_MIPS_BLOCKDSP_MIPS_H
diff --git a/libavcodec/mips/blockdsp_mmi.c b/libavcodec/mips/blockdsp_mmi.c
new file mode 100644
index 0000000..63eaf69
--- /dev/null
+++ b/libavcodec/mips/blockdsp_mmi.c
@@ -0,0 +1,147 @@
+/*
+ * Loongson SIMD optimized blockdsp
+ *
+ * Copyright (c) 2015 Loongson Technology Corporation Limited
+ * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong at 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 "blockdsp_mips.h"
+
+void ff_fill_block16_mmi(uint8_t *block, uint8_t value, int line_size, int h)
+{
+ __asm__ volatile (
+ "move $8, %3 \r\n"
+ "move $9, %0 \r\n"
+ "dmtc1 %1, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "1: \r\n"
+ "gssdlc1 $f2, 7($9) \r\n"
+ "gssdrc1 $f2, 0($9) \r\n"
+ "gssdlc1 $f2, 15($9) \r\n"
+ "gssdrc1 $f2, 8($9) \r\n"
+ "daddi $8, $8, -1 \r\n"
+ "daddu $9, $9, %2 \r\n"
+ "bnez $8, 1b \r\n"
+ ::"r"(block),"r"(value),"r"(line_size),"r"(h)
+ : "$8","$9"
+ );
+}
+
+void ff_fill_block8_mmi(uint8_t *block, uint8_t value, int line_size, int h)
+{
+ __asm__ volatile (
+ "move $8, %3 \r\n"
+ "move $9, %0 \r\n"
+ "dmtc1 %1, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "punpcklbh $f2, $f2, $f2 \r\n"
+ "1: \r\n"
+ "gssdlc1 $f2, 7($9) \r\n"
+ "gssdrc1 $f2, 0($9) \r\n"
+ "daddi $8, $8, -1 \r\n"
+ "daddu $9, $9, %2 \r\n"
+ "bnez $8, 1b \r\n"
+ ::"r"(block),"r"(value),"r"(line_size),"r"(h)
+ : "$8","$9"
+ );
+}
+
+void ff_clear_block_mmi(int16_t *block)
+{
+ __asm__ volatile (
+ "xor $f0, $f0, $f0 \r\n"
+ "xor $f2, $f2, $f2 \r\n"
+ "gssqc1 $f0, $f2, 0(%0) \r\n"
+ "gssqc1 $f0, $f2, 16(%0) \r\n"
+ "gssqc1 $f0, $f2, 32(%0) \r\n"
+ "gssqc1 $f0, $f2, 48(%0) \r\n"
+ "gssqc1 $f0, $f2, 64(%0) \r\n"
+ "gssqc1 $f0, $f2, 80(%0) \r\n"
+ "gssqc1 $f0, $f2, 96(%0) \r\n"
+ "gssqc1 $f0, $f2, 112(%0) \r\n"
+ ::"r"(block)
+ : "memory"
+ );
+}
+
+void ff_clear_blocks_mmi(int16_t *block)
+{
+ __asm__ volatile (
+ "xor $f0, $f0, $f0 \r\n"
+ "xor $f2, $f2, $f2 \r\n"
+ "gssqc1 $f0, $f2, 0(%0) \r\n"
+ "gssqc1 $f0, $f2, 16(%0) \r\n"
+ "gssqc1 $f0, $f2, 32(%0) \r\n"
+ "gssqc1 $f0, $f2, 48(%0) \r\n"
+ "gssqc1 $f0, $f2, 64(%0) \r\n"
+ "gssqc1 $f0, $f2, 80(%0) \r\n"
+ "gssqc1 $f0, $f2, 96(%0) \r\n"
+ "gssqc1 $f0, $f2, 112(%0) \r\n"
+
+ "gssqc1 $f0, $f2, 128(%0) \r\n"
+ "gssqc1 $f0, $f2, 144(%0) \r\n"
+ "gssqc1 $f0, $f2, 160(%0) \r\n"
+ "gssqc1 $f0, $f2, 176(%0) \r\n"
+ "gssqc1 $f0, $f2, 192(%0) \r\n"
+ "gssqc1 $f0, $f2, 208(%0) \r\n"
+ "gssqc1 $f0, $f2, 224(%0) \r\n"
+ "gssqc1 $f0, $f2, 240(%0) \r\n"
+
+ "gssqc1 $f0, $f2, 256(%0) \r\n"
+ "gssqc1 $f0, $f2, 272(%0) \r\n"
+ "gssqc1 $f0, $f2, 288(%0) \r\n"
+ "gssqc1 $f0, $f2, 304(%0) \r\n"
+ "gssqc1 $f0, $f2, 320(%0) \r\n"
+ "gssqc1 $f0, $f2, 336(%0) \r\n"
+ "gssqc1 $f0, $f2, 352(%0) \r\n"
+ "gssqc1 $f0, $f2, 368(%0) \r\n"
+
+ "gssqc1 $f0, $f2, 384(%0) \r\n"
+ "gssqc1 $f0, $f2, 400(%0) \r\n"
+ "gssqc1 $f0, $f2, 416(%0) \r\n"
+ "gssqc1 $f0, $f2, 432(%0) \r\n"
+ "gssqc1 $f0, $f2, 448(%0) \r\n"
+ "gssqc1 $f0, $f2, 464(%0) \r\n"
+ "gssqc1 $f0, $f2, 480(%0) \r\n"
+ "gssqc1 $f0, $f2, 496(%0) \r\n"
+
+ "gssqc1 $f0, $f2, 512(%0) \r\n"
+ "gssqc1 $f0, $f2, 528(%0) \r\n"
+ "gssqc1 $f0, $f2, 544(%0) \r\n"
+ "gssqc1 $f0, $f2, 560(%0) \r\n"
+ "gssqc1 $f0, $f2, 576(%0) \r\n"
+ "gssqc1 $f0, $f2, 592(%0) \r\n"
+ "gssqc1 $f0, $f2, 608(%0) \r\n"
+ "gssqc1 $f0, $f2, 624(%0) \r\n"
+
+ "gssqc1 $f0, $f2, 640(%0) \r\n"
+ "gssqc1 $f0, $f2, 656(%0) \r\n"
+ "gssqc1 $f0, $f2, 672(%0) \r\n"
+ "gssqc1 $f0, $f2, 688(%0) \r\n"
+ "gssqc1 $f0, $f2, 704(%0) \r\n"
+ "gssqc1 $f0, $f2, 720(%0) \r\n"
+ "gssqc1 $f0, $f2, 736(%0) \r\n"
+ "gssqc1 $f0, $f2, 752(%0) \r\n"
+ ::"r"(block)
+ : "memory"
+ );
+}
--
2.1.0
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