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-rw-r--r--libavcodec/me_cmp.c132
1 files changed, 91 insertions, 41 deletions
diff --git a/libavcodec/me_cmp.c b/libavcodec/me_cmp.c
index eb98a72f1b..d4213d2759 100644
--- a/libavcodec/me_cmp.c
+++ b/libavcodec/me_cmp.c
@@ -1,22 +1,27 @@
/*
- * This file is part of Libav.
+ * DSP utils
+ * Copyright (c) 2000, 2001 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
+#include "libavutil/internal.h"
#include "avcodec.h"
#include "copy_block.h"
#include "simple_idct.h"
@@ -103,8 +108,8 @@ static int sum_abs_dctelem_c(int16_t *block)
return sum;
}
-#define avg2(a, b) ((a + b + 1) >> 1)
-#define avg4(a, b, c, d) ((a + b + c + d + 2) >> 2)
+#define avg2(a, b) (((a) + (b) + 1) >> 1)
+#define avg4(a, b, c, d) (((a) + (b) + (c) + (d) + 2) >> 2)
static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
ptrdiff_t stride, int h)
@@ -409,6 +414,14 @@ void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
case FF_CMP_NSSE:
cmp[i] = c->nsse[i];
break;
+#if CONFIG_DWT
+ case FF_CMP_W53:
+ cmp[i]= c->w53[i];
+ break;
+ case FF_CMP_W97:
+ cmp[i]= c->w97[i];
+ break;
+#endif
default:
av_log(NULL, AV_LOG_ERROR,
"internal error in cmp function selection\n");
@@ -436,7 +449,7 @@ static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst,
{
int i, temp[64], sum = 0;
- assert(h == 8);
+ av_assert2(h == 8);
for (i = 0; i < 8; i++) {
// FIXME: try pointer walks
@@ -488,7 +501,7 @@ static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src,
{
int i, temp[64], sum = 0;
- assert(h == 8);
+ av_assert2(h == 8);
for (i = 0; i < 8; i++) {
// FIXME: try pointer walks
@@ -540,7 +553,7 @@ static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1,
{
LOCAL_ALIGNED_16(int16_t, temp, [64]);
- assert(h == 8);
+ av_assert2(h == 8);
s->pdsp.diff_pixels(temp, src1, src2, stride);
s->fdsp.fdct(temp);
@@ -607,7 +620,7 @@ static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,
LOCAL_ALIGNED_16(int16_t, temp, [64]);
int sum = 0, i;
- assert(h == 8);
+ av_assert2(h == 8);
s->pdsp.diff_pixels(temp, src1, src2, stride);
s->fdsp.fdct(temp);
@@ -625,7 +638,7 @@ static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1,
int16_t *const bak = temp + 64;
int sum = 0, i;
- assert(h == 8);
+ av_assert2(h == 8);
s->mb_intra = 0;
s->pdsp.diff_pixels(temp, src1, src2, stride);
@@ -654,7 +667,7 @@ static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
const int esc_length = s->ac_esc_length;
uint8_t *length, *last_length;
- assert(h == 8);
+ av_assert2(h == 8);
copy_block8(lsrc1, src1, 8, stride, 8);
copy_block8(lsrc2, src2, 8, stride, 8);
@@ -698,7 +711,7 @@ static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
level = temp[i] + 64;
- assert(level - 64);
+ av_assert2(level - 64);
if ((level & (~127)) == 0) {
bits += last_length[UNI_AC_ENC_INDEX(run, level)];
@@ -729,7 +742,7 @@ static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
const int esc_length = s->ac_esc_length;
uint8_t *length, *last_length;
- assert(h == 8);
+ av_assert2(h == 8);
s->pdsp.diff_pixels(temp, src1, src2, stride);
@@ -770,7 +783,7 @@ static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
level = temp[i] + 64;
- assert(level - 64);
+ av_assert2(level - 64);
if ((level & (~127)) == 0)
bits += last_length[UNI_AC_ENC_INDEX(run, level)];
@@ -803,20 +816,24 @@ static int vsad_intra ## size ## _c(MpegEncContext *c, \
VSAD_INTRA(8)
VSAD_INTRA(16)
-static int vsad16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
- ptrdiff_t stride, int h)
-{
- int score = 0, x, y;
-
- for (y = 1; y < h; y++) {
- for (x = 0; x < 16; x++)
- score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
- s1 += stride;
- s2 += stride;
- }
-
- return score;
+#define VSAD(size) \
+static int vsad ## size ## _c(MpegEncContext *c, \
+ uint8_t *s1, uint8_t *s2, \
+ ptrdiff_t stride, int h) \
+{ \
+ int score = 0, x, y; \
+ \
+ for (y = 1; y < h; y++) { \
+ for (x = 0; x < size; x++) \
+ score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
+ s1 += stride; \
+ s2 += stride; \
+ } \
+ \
+ return score; \
}
+VSAD(8)
+VSAD(16)
#define SQ(a) ((a) * (a))
#define VSSE_INTRA(size) \
@@ -841,20 +858,23 @@ static int vsse_intra ## size ## _c(MpegEncContext *c, \
VSSE_INTRA(8)
VSSE_INTRA(16)
-static int vsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
- ptrdiff_t stride, int h)
-{
- int score = 0, x, y;
-
- for (y = 1; y < h; y++) {
- for (x = 0; x < 16; x++)
- score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
- s1 += stride;
- s2 += stride;
- }
-
- return score;
+#define VSSE(size) \
+static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, \
+ ptrdiff_t stride, int h) \
+{ \
+ int score = 0, x, y; \
+ \
+ for (y = 1; y < h; y++) { \
+ for (x = 0; x < size; x++) \
+ score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
+ s1 += stride; \
+ s2 += stride; \
+ } \
+ \
+ return score; \
}
+VSSE(8)
+VSSE(16)
#define WRAPPER8_16_SQ(name8, name16) \
static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \
@@ -892,8 +912,31 @@ av_cold void ff_me_cmp_init_static(void)
ff_square_tab[i] = (i - 256) * (i - 256);
}
+int ff_check_alignment(void)
+{
+ static int did_fail = 0;
+ LOCAL_ALIGNED_16(int, aligned, [4]);
+
+ if ((intptr_t)aligned & 15) {
+ if (!did_fail) {
+#if HAVE_MMX || HAVE_ALTIVEC
+ av_log(NULL, AV_LOG_ERROR,
+ "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
+ "and may be very slow or crash. This is not a bug in libavcodec,\n"
+ "but in the compiler. You may try recompiling using gcc >= 4.2.\n"
+ "Do not report crashes to FFmpeg developers.\n");
+#endif
+ did_fail=1;
+ }
+ return -1;
+ }
+ return 0;
+}
+
av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)
{
+ ff_check_alignment();
+
c->sum_abs_dctelem = sum_abs_dctelem_c;
/* TODO [0] 16 [1] 8 */
@@ -927,14 +970,21 @@ av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)
SET_CMP_FUNC(rd)
SET_CMP_FUNC(bit)
c->vsad[0] = vsad16_c;
+ c->vsad[1] = vsad8_c;
c->vsad[4] = vsad_intra16_c;
c->vsad[5] = vsad_intra8_c;
c->vsse[0] = vsse16_c;
+ c->vsse[1] = vsse8_c;
c->vsse[4] = vsse_intra16_c;
c->vsse[5] = vsse_intra8_c;
c->nsse[0] = nsse16_c;
c->nsse[1] = nsse8_c;
+#if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER
+ ff_dsputil_init_dwt(c);
+#endif
+ if (ARCH_ALPHA)
+ ff_me_cmp_init_alpha(c, avctx);
if (ARCH_ARM)
ff_me_cmp_init_arm(c, avctx);
if (ARCH_PPC)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 21:03:32 +0000