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path: root/libavcodec/mips/idctdsp_mmi.c
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Diffstat (limited to 'libavcodec/mips/idctdsp_mmi.c')
-rw-r--r--libavcodec/mips/idctdsp_mmi.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/libavcodec/mips/idctdsp_mmi.c b/libavcodec/mips/idctdsp_mmi.c
new file mode 100644
index 0000000000..25476f3c40
--- /dev/null
+++ b/libavcodec/mips/idctdsp_mmi.c
@@ -0,0 +1,190 @@
+/*
+ * Loongson SIMD optimized idctdsp
+ *
+ * Copyright (c) 2015 Loongson Technology Corporation Limited
+ * 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
+ */
+
+#include "idctdsp_mips.h"
+#include "constants.h"
+
+void ff_put_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ const int16_t *p;
+ uint8_t *pix;
+
+ p = block;
+ pix = pixels;
+
+ __asm__ volatile (
+ "ldc1 $f0, 0+%3 \r\n"
+ "ldc1 $f2, 8+%3 \r\n"
+ "ldc1 $f4, 16+%3 \r\n"
+ "ldc1 $f6, 24+%3 \r\n"
+ "ldc1 $f8, 32+%3 \r\n"
+ "ldc1 $f10, 40+%3 \r\n"
+ "ldc1 $f12, 48+%3 \r\n"
+ "ldc1 $f14, 56+%3 \r\n"
+ "dadd $10, %0, %1 \r\n"
+ "packushb $f0, $f0, $f2 \r\n"
+ "packushb $f4, $f4, $f6 \r\n"
+ "packushb $f8, $f8, $f10 \r\n"
+ "packushb $f12, $f12, $f14 \r\n"
+ "sdc1 $f0, 0(%0) \r\n"
+ "sdc1 $f4, 0($10) \r\n"
+ "gssdxc1 $f8, 0($10, %1) \r\n"
+ "gssdxc1 $f12, 0(%0, %2) \r\n"
+ ::"r"(pix),"r"((int)line_size),
+ "r"((int)line_size*3),"m"(*p)
+ : "$10","memory"
+ );
+
+ pix += line_size*4;
+ p += 32;
+
+ __asm__ volatile (
+ "ldc1 $f0, 0+%3 \r\n"
+ "ldc1 $f2, 8+%3 \r\n"
+ "ldc1 $f4, 16+%3 \r\n"
+ "ldc1 $f6, 24+%3 \r\n"
+ "ldc1 $f8, 32+%3 \r\n"
+ "ldc1 $f10, 40+%3 \r\n"
+ "ldc1 $f12, 48+%3 \r\n"
+ "ldc1 $f14, 56+%3 \r\n"
+ "dadd $10, %0, %1 \r\n"
+ "packushb $f0, $f0, $f2 \r\n"
+ "packushb $f4, $f4, $f6 \r\n"
+ "packushb $f8, $f8, $f10 \r\n"
+ "packushb $f12, $f12, $f14 \r\n"
+ "sdc1 $f0, 0(%0) \r\n"
+ "sdc1 $f4, 0($10) \r\n"
+ "gssdxc1 $f8, 0($10, %1) \r\n"
+ "gssdxc1 $f12, 0(%0, %2) \r\n"
+ ::"r"(pix),"r"((int)line_size),
+ "r"((int)line_size*3),"m"(*p)
+ : "$10","memory"
+ );
+}
+
+void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ int64_t line_skip = line_size;
+ int64_t line_skip3;
+
+ __asm__ volatile (
+ "dmtc1 %4, $f0 \n\t"
+ "daddu %1, %3, %3 \n\t"
+ "ldc1 $f2, 0(%2) \n\t"
+ "ldc1 $f10, 8(%2) \n\t"
+ "packsshb $f2, $f2, $f10 \n\t"
+ "ldc1 $f4, 16(%2) \n\t"
+ "ldc1 $f10, 24(%2) \n\t"
+ "packsshb $f4, $f4, $f10 \n\t"
+ "ldc1 $f6, 32(%2) \n\t"
+ "ldc1 $f10, 40(%2) \n\t"
+ "packsshb $f6, $f6, $f10 \n\t"
+ "ldc1 $f8, 48(%2) \n\t"
+ "ldc1 $f10, 56(%2) \n\t"
+ "packsshb $f8, $f8, $f10 \n\t"
+ "paddb $f2, $f2, $f0 \n\t"
+ "paddb $f4, $f4, $f0 \n\t"
+ "paddb $f6, $f6, $f0 \n\t"
+ "paddb $f8, $f8, $f0 \n\t"
+ "sdc1 $f2, 0(%0) \n\t"
+ "gssdxc1 $f4, 0(%0, %3) \n\t"
+ "gssdxc1 $f6, 0(%0, %1) \n\t"
+ "daddu %1, %1, %3 \n\t"
+ "gssdxc1 $f8, 0(%0, %1) \n\t"
+ "daddu $10, %1, %3 \n\t"
+ "daddu %0, %0, $10 \n\t"
+ "ldc1 $f2, 64(%2) \n\t"
+ "ldc1 $f10, 8+64(%2) \n\t"
+ "packsshb $f2, $f2, $f10 \n\t"
+ "ldc1 $f4, 16+64(%2) \n\t"
+ "ldc1 $f10, 24+64(%2) \n\t"
+ "packsshb $f4, $f4, $f10 \n\t"
+ "ldc1 $f6, 32+64(%2) \n\t"
+ "ldc1 $f10, 40+64(%2) \n\t"
+ "packsshb $f6, $f6, $f10 \n\t"
+ "ldc1 $f8, 48+64(%2) \n\t"
+ "ldc1 $f10, 56+64(%2) \n\t"
+ "packsshb $f8, $f8, $f10 \n\t"
+ "paddb $f2, $f2, $f0 \n\t"
+ "paddb $f4, $f4, $f0 \n\t"
+ "paddb $f6, $f6, $f0 \n\t"
+ "paddb $f8, $f8, $f0 \n\t"
+ "sdc1 $f2, 0(%0) \n\t"
+ "gssdxc1 $f4, 0(%0, %3) \n\t"
+ "daddu $10, %3, %3 \n\t"
+ "gssdxc1 $f6, 0(%0, $10) \n\t"
+ "gssdxc1 $f8, 0(%0, %1) \n\t"
+ : "+&r"(pixels),"=&r"(line_skip3)
+ : "r"(block),"r"(line_skip),"r"(ff_pb_80)
+ : "$10","memory"
+ );
+}
+
+void ff_add_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ const int16_t *p;
+ uint8_t *pix;
+ int i = 4;
+
+ p = block;
+ pix = pixels;
+
+ __asm__ volatile (
+ "xor $f14, $f14, $f14 \r\n"
+ ::
+ );
+
+ do {
+ __asm__ volatile (
+ "ldc1 $f0, 0+%2 \r\n"
+ "ldc1 $f2, 8+%2 \r\n"
+ "ldc1 $f4, 16+%2 \r\n"
+ "ldc1 $f6, 24+%2 \r\n"
+ "ldc1 $f8, %0 \r\n"
+ "ldc1 $f12, %1 \r\n"
+ "mov.d $f10, $f8 \r\n"
+ "punpcklbh $f8, $f8, $f14 \r\n"
+ "punpckhbh $f10, $f10, $f14 \r\n"
+ "paddsh $f0, $f0, $f8 \r\n"
+ "paddsh $f2, $f2, $f10 \r\n"
+ "mov.d $f10, $f12 \r\n"
+ "punpcklbh $f12, $f12, $f14 \r\n"
+ "punpckhbh $f10, $f10, $f14 \r\n"
+ "paddsh $f4, $f4, $f12 \r\n"
+ "paddsh $f6, $f6, $f10 \r\n"
+ "packushb $f0, $f0, $f2 \r\n"
+ "packushb $f4, $f4, $f6 \r\n"
+ "sdc1 $f0, %0 \r\n"
+ "sdc1 $f4, %1 \r\n"
+ : "+m"(*pix),"+m"(*(pix+line_size))
+ : "m"(*p)
+ : "memory"
+ );
+
+ pix += line_size*2;
+ p += 16;
+ } while (--i);
+}
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