summaryrefslogtreecommitdiff
path: root/src/libffmpeg/libavcodec/i386/fdct_mmx.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libffmpeg/libavcodec/i386/fdct_mmx.c')
-rw-r--r--src/libffmpeg/libavcodec/i386/fdct_mmx.c158
1 files changed, 81 insertions, 77 deletions
diff --git a/src/libffmpeg/libavcodec/i386/fdct_mmx.c b/src/libffmpeg/libavcodec/i386/fdct_mmx.c
index f6150c83c..2ffbfecf6 100644
--- a/src/libffmpeg/libavcodec/i386/fdct_mmx.c
+++ b/src/libffmpeg/libavcodec/i386/fdct_mmx.c
@@ -12,6 +12,22 @@
* Also of inspiration:
* a page about fdct at http://www.geocities.com/ssavekar/dct.htm
* Skal's fdct at http://skal.planet-d.net/coding/dct.html
+ *
+ * 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 "common.h"
#include "../dsputil.h"
@@ -51,7 +67,7 @@ static const int64_t fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL;
static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW };
-struct
+static struct
{
const int32_t fdct_r_row_sse2[4] ATTR_ALIGN(16);
} fdct_r_row_sse2 ATTR_ALIGN(16)=
@@ -134,7 +150,7 @@ static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff
29692, -12299, 26722, -31521,
};
-struct
+static struct
{
const int16_t tab_frw_01234567_sse2[256] ATTR_ALIGN(16);
} tab_frw_01234567_sse2 ATTR_ALIGN(16) =
@@ -351,60 +367,60 @@ static always_inline void fdct_col(const int16_t *in, int16_t *out, int offset)
static always_inline void fdct_row_sse2(const int16_t *in, int16_t *out)
{
asm volatile(
- ".macro FDCT_ROW_SSE2_H1 i t \n\t"
- "movq \\i(%0), %%xmm2 \n\t"
- "movq \\i+8(%0), %%xmm0 \n\t"
- "movdqa \\t+32(%1), %%xmm3 \n\t"
- "movdqa \\t+48(%1), %%xmm7 \n\t"
- "movdqa \\t(%1), %%xmm4 \n\t"
- "movdqa \\t+16(%1), %%xmm5 \n\t"
- ".endm \n\t"
- ".macro FDCT_ROW_SSE2_H2 i t \n\t"
- "movq \\i(%0), %%xmm2 \n\t"
- "movq \\i+8(%0), %%xmm0 \n\t"
- "movdqa \\t+32(%1), %%xmm3 \n\t"
- "movdqa \\t+48(%1), %%xmm7 \n\t"
- ".endm \n\t"
- ".macro FDCT_ROW_SSE2 i \n\t"
- "movq %%xmm2, %%xmm1 \n\t"
- "pshuflw $27, %%xmm0, %%xmm0 \n\t"
- "paddsw %%xmm0, %%xmm1 \n\t"
- "psubsw %%xmm0, %%xmm2 \n\t"
- "punpckldq %%xmm2, %%xmm1 \n\t"
- "pshufd $78, %%xmm1, %%xmm2 \n\t"
- "pmaddwd %%xmm2, %%xmm3 \n\t"
- "pmaddwd %%xmm1, %%xmm7 \n\t"
- "pmaddwd %%xmm5, %%xmm2 \n\t"
- "pmaddwd %%xmm4, %%xmm1 \n\t"
- "paddd %%xmm7, %%xmm3 \n\t"
- "paddd %%xmm2, %%xmm1 \n\t"
- "paddd %%xmm6, %%xmm3 \n\t"
- "paddd %%xmm6, %%xmm1 \n\t"
- "psrad %3, %%xmm3 \n\t"
- "psrad %3, %%xmm1 \n\t"
- "packssdw %%xmm3, %%xmm1 \n\t"
- "movdqa %%xmm1, \\i(%4) \n\t"
- ".endm \n\t"
+#define FDCT_ROW_SSE2_H1(i,t) \
+ "movq " #i "(%0), %%xmm2 \n\t" \
+ "movq " #i "+8(%0), %%xmm0 \n\t" \
+ "movdqa " #t "+32(%1), %%xmm3 \n\t" \
+ "movdqa " #t "+48(%1), %%xmm7 \n\t" \
+ "movdqa " #t "(%1), %%xmm4 \n\t" \
+ "movdqa " #t "+16(%1), %%xmm5 \n\t"
+
+#define FDCT_ROW_SSE2_H2(i,t) \
+ "movq " #i "(%0), %%xmm2 \n\t" \
+ "movq " #i "+8(%0), %%xmm0 \n\t" \
+ "movdqa " #t "+32(%1), %%xmm3 \n\t" \
+ "movdqa " #t "+48(%1), %%xmm7 \n\t"
+
+#define FDCT_ROW_SSE2(i) \
+ "movq %%xmm2, %%xmm1 \n\t" \
+ "pshuflw $27, %%xmm0, %%xmm0 \n\t" \
+ "paddsw %%xmm0, %%xmm1 \n\t" \
+ "psubsw %%xmm0, %%xmm2 \n\t" \
+ "punpckldq %%xmm2, %%xmm1 \n\t" \
+ "pshufd $78, %%xmm1, %%xmm2 \n\t" \
+ "pmaddwd %%xmm2, %%xmm3 \n\t" \
+ "pmaddwd %%xmm1, %%xmm7 \n\t" \
+ "pmaddwd %%xmm5, %%xmm2 \n\t" \
+ "pmaddwd %%xmm4, %%xmm1 \n\t" \
+ "paddd %%xmm7, %%xmm3 \n\t" \
+ "paddd %%xmm2, %%xmm1 \n\t" \
+ "paddd %%xmm6, %%xmm3 \n\t" \
+ "paddd %%xmm6, %%xmm1 \n\t" \
+ "psrad %3, %%xmm3 \n\t" \
+ "psrad %3, %%xmm1 \n\t" \
+ "packssdw %%xmm3, %%xmm1 \n\t" \
+ "movdqa %%xmm1, " #i "(%4) \n\t"
+
"movdqa (%2), %%xmm6 \n\t"
- "FDCT_ROW_SSE2_H1 0 0 \n\t"
- "FDCT_ROW_SSE2 0 \n\t"
- "FDCT_ROW_SSE2_H2 64 0 \n\t"
- "FDCT_ROW_SSE2 64 \n\t"
-
- "FDCT_ROW_SSE2_H1 16 64 \n\t"
- "FDCT_ROW_SSE2 16 \n\t"
- "FDCT_ROW_SSE2_H2 112 64 \n\t"
- "FDCT_ROW_SSE2 112 \n\t"
-
- "FDCT_ROW_SSE2_H1 32 128 \n\t"
- "FDCT_ROW_SSE2 32 \n\t"
- "FDCT_ROW_SSE2_H2 96 128 \n\t"
- "FDCT_ROW_SSE2 96 \n\t"
-
- "FDCT_ROW_SSE2_H1 48 192 \n\t"
- "FDCT_ROW_SSE2 48 \n\t"
- "FDCT_ROW_SSE2_H2 80 192 \n\t"
- "FDCT_ROW_SSE2 80 \n\t"
+ FDCT_ROW_SSE2_H1(0,0)
+ FDCT_ROW_SSE2(0)
+ FDCT_ROW_SSE2_H2(64,0)
+ FDCT_ROW_SSE2(64)
+
+ FDCT_ROW_SSE2_H1(16,64)
+ FDCT_ROW_SSE2(16)
+ FDCT_ROW_SSE2_H2(112,64)
+ FDCT_ROW_SSE2(112)
+
+ FDCT_ROW_SSE2_H1(32,128)
+ FDCT_ROW_SSE2(32)
+ FDCT_ROW_SSE2_H2(96,128)
+ FDCT_ROW_SSE2(96)
+
+ FDCT_ROW_SSE2_H1(48,192)
+ FDCT_ROW_SSE2(48)
+ FDCT_ROW_SSE2_H2(80,192)
+ FDCT_ROW_SSE2(80)
:
: "r" (in), "r" (tab_frw_01234567_sse2.tab_frw_01234567_sse2), "r" (fdct_r_row_sse2.fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out)
);
@@ -504,56 +520,44 @@ static always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const in
void ff_fdct_mmx(int16_t *block)
{
int64_t align_tmp[16] ATTR_ALIGN(8);
- int16_t * const block_tmp= (int16_t*)align_tmp;
- int16_t *block1, *out;
- const int16_t *table;
+ int16_t * block1= (int16_t*)align_tmp;
+ const int16_t *table= tab_frw_01234567;
int i;
- block1 = block_tmp;
fdct_col(block, block1, 0);
fdct_col(block, block1, 4);
- block1 = block_tmp;
- table = tab_frw_01234567;
- out = block;
for(i=8;i>0;i--) {
- fdct_row_mmx(block1, out, table);
+ fdct_row_mmx(block1, block, table);
block1 += 8;
table += 32;
- out += 8;
+ block += 8;
}
}
void ff_fdct_mmx2(int16_t *block)
{
int64_t align_tmp[16] ATTR_ALIGN(8);
- int16_t * const block_tmp= (int16_t*)align_tmp;
- int16_t *block1, *out;
- const int16_t *table;
+ int16_t *block1= (int16_t*)align_tmp;
+ const int16_t *table= tab_frw_01234567;
int i;
- block1 = block_tmp;
fdct_col(block, block1, 0);
fdct_col(block, block1, 4);
- block1 = block_tmp;
- table = tab_frw_01234567;
- out = block;
for(i=8;i>0;i--) {
- fdct_row_mmx2(block1, out, table);
+ fdct_row_mmx2(block1, block, table);
block1 += 8;
table += 32;
- out += 8;
+ block += 8;
}
}
void ff_fdct_sse2(int16_t *block)
{
- int64_t align_tmp[16] ATTR_ALIGN(8);
- int16_t * const block_tmp= (int16_t*)align_tmp;
- int16_t *block1;
+ int64_t align_tmp[16] ATTR_ALIGN(16);
+ int16_t * const block1= (int16_t*)align_tmp;
- block1 = block_tmp;
fdct_col(block, block1, 0);
fdct_col(block, block1, 4);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 13:52:22 +0000