mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-05 00:36:57 +00:00
607 lines
17 KiB
C++
607 lines
17 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
/* VLC code
|
|
*
|
|
* Original copyright note: * Intel Indeo 4 (IV41, IV42, etc.) video decoder for ffmpeg
|
|
* written, produced, and directed by Alan Smithee
|
|
*/
|
|
|
|
#include "image/codecs/indeo/indeo_dsp.h"
|
|
|
|
namespace Image {
|
|
namespace Indeo {
|
|
|
|
/**
|
|
* butterfly operation for the inverse Haar transform
|
|
*/
|
|
#define IVI_HAAR_BFLY(s1, s2, o1, o2, t) \
|
|
t = ((s1) - (s2)) >> 1;\
|
|
o1 = ((s1) + (s2)) >> 1;\
|
|
o2 = (t);\
|
|
|
|
/**
|
|
* inverse 8-point Haar transform
|
|
*/
|
|
#define INV_HAAR8(s1, s5, s3, s7, s2, s4, s6, s8,\
|
|
d1, d2, d3, d4, d5, d6, d7, d8,\
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8) {\
|
|
t1 = (s1) << 1; t5 = (s5) << 1;\
|
|
IVI_HAAR_BFLY(t1, t5, t1, t5, t0); IVI_HAAR_BFLY(t1, s3, t1, t3, t0);\
|
|
IVI_HAAR_BFLY(t5, s7, t5, t7, t0); IVI_HAAR_BFLY(t1, s2, t1, t2, t0);\
|
|
IVI_HAAR_BFLY(t3, s4, t3, t4, t0); IVI_HAAR_BFLY(t5, s6, t5, t6, t0);\
|
|
IVI_HAAR_BFLY(t7, s8, t7, t8, t0);\
|
|
d1 = COMPENSATE(t1);\
|
|
d2 = COMPENSATE(t2);\
|
|
d3 = COMPENSATE(t3);\
|
|
d4 = COMPENSATE(t4);\
|
|
d5 = COMPENSATE(t5);\
|
|
d6 = COMPENSATE(t6);\
|
|
d7 = COMPENSATE(t7);\
|
|
d8 = COMPENSATE(t8); }
|
|
|
|
/**
|
|
* inverse 4-point Haar transform
|
|
*/
|
|
#define INV_HAAR4(s1, s3, s5, s7, d1, d2, d3, d4, t0, t1, t2, t3, t4) {\
|
|
IVI_HAAR_BFLY(s1, s3, t0, t1, t4);\
|
|
IVI_HAAR_BFLY(t0, s5, t2, t3, t4);\
|
|
d1 = COMPENSATE(t2);\
|
|
d2 = COMPENSATE(t3);\
|
|
IVI_HAAR_BFLY(t1, s7, t2, t3, t4);\
|
|
d3 = COMPENSATE(t2);\
|
|
d4 = COMPENSATE(t3); }
|
|
|
|
void IndeoDSP::ffIviInverseHaar8x8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int32 tmp[64];
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
// apply the InvHaar8 to all columns
|
|
#define COMPENSATE(x) (x)
|
|
const int32 *src = in;
|
|
int32 *dst = tmp;
|
|
for (int i = 0; i < 8; i++) {
|
|
if (flags[i]) {
|
|
// pre-scaling
|
|
int shift = !(i & 4);
|
|
int sp1 = src[ 0] << shift;
|
|
int sp2 = src[ 8] << shift;
|
|
int sp3 = src[16] << shift;
|
|
int sp4 = src[24] << shift;
|
|
INV_HAAR8( sp1, sp2, sp3, sp4,
|
|
src[32], src[40], src[48], src[56],
|
|
dst[ 0], dst[ 8], dst[16], dst[24],
|
|
dst[32], dst[40], dst[48], dst[56],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
} else {
|
|
dst[ 0] = dst[ 8] = dst[16] = dst[24] =
|
|
dst[32] = dst[40] = dst[48] = dst[56] = 0;
|
|
}
|
|
|
|
src++;
|
|
dst++;
|
|
}
|
|
#undef COMPENSATE
|
|
|
|
// apply the InvHaar8 to all rows
|
|
#define COMPENSATE(x) (x)
|
|
src = tmp;
|
|
for (int i = 0; i < 8; i++) {
|
|
if (!src[0] && !src[1] && !src[2] && !src[3] &&
|
|
!src[4] && !src[5] && !src[6] && !src[7]) {
|
|
memset(out, 0, 8 * sizeof(out[0]));
|
|
} else {
|
|
INV_HAAR8(src[0], src[1], src[2], src[3],
|
|
src[4], src[5], src[6], src[7],
|
|
out[0], out[1], out[2], out[3],
|
|
out[4], out[5], out[6], out[7],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
}
|
|
src += 8;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviRowHaar8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
// apply the InvHaar8 to all rows
|
|
#define COMPENSATE(x) (x)
|
|
for (int i = 0; i < 8; i++) {
|
|
if ( !in[0] && !in[1] && !in[2] && !in[3]
|
|
&& !in[4] && !in[5] && !in[6] && !in[7]) {
|
|
memset(out, 0, 8 * sizeof(out[0]));
|
|
} else {
|
|
INV_HAAR8(in[0], in[1], in[2], in[3],
|
|
in[4], in[5], in[6], in[7],
|
|
out[0], out[1], out[2], out[3],
|
|
out[4], out[5], out[6], out[7],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
}
|
|
in += 8;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviColHaar8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
// apply the InvHaar8 to all columns
|
|
#define COMPENSATE(x) (x)
|
|
for (int i = 0; i < 8; i++) {
|
|
if (flags[i]) {
|
|
INV_HAAR8(in[ 0], in[ 8], in[16], in[24],
|
|
in[32], in[40], in[48], in[56],
|
|
out[0 * pitch], out[1 * pitch],
|
|
out[2 * pitch], out[3 * pitch],
|
|
out[4 * pitch], out[5 * pitch],
|
|
out[6 * pitch], out[7 * pitch],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
} else {
|
|
out[0 * pitch] = out[1 * pitch] =
|
|
out[2 * pitch] = out[3 * pitch] =
|
|
out[4 * pitch] = out[5 * pitch] =
|
|
out[6 * pitch] = out[7 * pitch] = 0;
|
|
}
|
|
|
|
in++;
|
|
out++;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviInverseHaar4x4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int32 tmp[16];
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
// apply the InvHaar4 to all columns
|
|
#define COMPENSATE(x) (x)
|
|
const int32 *src = in;
|
|
int32 *dst = tmp;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (flags[i]) {
|
|
// pre-scaling
|
|
int shift = !(i & 2);
|
|
int sp1 = src[0] << shift;
|
|
int sp2 = src[4] << shift;
|
|
INV_HAAR4( sp1, sp2, src[8], src[12],
|
|
dst[0], dst[4], dst[8], dst[12],
|
|
t0, t1, t2, t3, t4);
|
|
} else {
|
|
dst[0] = dst[4] = dst[8] = dst[12] = 0;
|
|
}
|
|
|
|
src++;
|
|
dst++;
|
|
}
|
|
#undef COMPENSATE
|
|
|
|
// apply the InvHaar8 to all rows
|
|
#define COMPENSATE(x) (x)
|
|
src = tmp;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!src[0] && !src[1] && !src[2] && !src[3]) {
|
|
memset(out, 0, 4 * sizeof(out[0]));
|
|
} else {
|
|
INV_HAAR4(src[0], src[1], src[2], src[3],
|
|
out[0], out[1], out[2], out[3],
|
|
t0, t1, t2, t3, t4);
|
|
}
|
|
src += 4;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviRowHaar4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
// apply the InvHaar4 to all rows
|
|
#define COMPENSATE(x) (x)
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!in[0] && !in[1] && !in[2] && !in[3]) {
|
|
memset(out, 0, 4 * sizeof(out[0]));
|
|
} else {
|
|
INV_HAAR4(in[0], in[1], in[2], in[3],
|
|
out[0], out[1], out[2], out[3],
|
|
t0, t1, t2, t3, t4);
|
|
}
|
|
in += 4;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviColHaar4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
// apply the InvHaar8 to all columns
|
|
#define COMPENSATE(x) (x)
|
|
for (int i = 0; i < 4; i++) {
|
|
if (flags[i]) {
|
|
INV_HAAR4(in[0], in[4], in[8], in[12],
|
|
out[0 * pitch], out[1 * pitch],
|
|
out[2 * pitch], out[3 * pitch],
|
|
t0, t1, t2, t3, t4);
|
|
} else {
|
|
out[0 * pitch] = out[1 * pitch] =
|
|
out[2 * pitch] = out[3 * pitch] = 0;
|
|
}
|
|
|
|
in++;
|
|
out++;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviDcHaar2d(const int32 *in, int16 *out, uint32 pitch,
|
|
int blkSize) {
|
|
int16 dcCoeff = (*in + 0) >> 3;
|
|
|
|
for (int y = 0; y < blkSize; out += pitch, y++) {
|
|
for (int x = 0; x < blkSize; x++)
|
|
out[x] = dcCoeff;
|
|
}
|
|
}
|
|
|
|
//* butterfly operation for the inverse slant transform
|
|
#define IVI_SLANT_BFLY(s1, s2, o1, o2, t) \
|
|
t = (s1) - (s2);\
|
|
o1 = (s1) + (s2);\
|
|
o2 = (t);\
|
|
|
|
//* This is a reflection a,b = 1/2, 5/4 for the inverse slant transform
|
|
#define IVI_IREFLECT(s1, s2, o1, o2, t) \
|
|
t = (((s1) + (s2)*2 + 2) >> 2) + (s1);\
|
|
o2 = (((s1)*2 - (s2) + 2) >> 2) - (s2);\
|
|
o1 = (t);\
|
|
|
|
//* This is a reflection a,b = 1/2, 7/8 for the inverse slant transform
|
|
#define IVI_SLANT_PART4(s1, s2, o1, o2, t) \
|
|
t = (s2) + (((s1)*4 - (s2) + 4) >> 3);\
|
|
o2 = (s1) + ((-(s1) - (s2)*4 + 4) >> 3);\
|
|
o1 = (t);\
|
|
|
|
//* inverse slant8 transform
|
|
#define IVI_INV_SLANT8(s1, s4, s8, s5, s2, s6, s3, s7,\
|
|
d1, d2, d3, d4, d5, d6, d7, d8,\
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8) {\
|
|
IVI_SLANT_PART4(s4, s5, t4, t5, t0);\
|
|
\
|
|
IVI_SLANT_BFLY(s1, t5, t1, t5, t0); IVI_SLANT_BFLY(s2, s6, t2, t6, t0);\
|
|
IVI_SLANT_BFLY(s7, s3, t7, t3, t0); IVI_SLANT_BFLY(t4, s8, t4, t8, t0);\
|
|
\
|
|
IVI_SLANT_BFLY(t1, t2, t1, t2, t0); IVI_IREFLECT (t4, t3, t4, t3, t0);\
|
|
IVI_SLANT_BFLY(t5, t6, t5, t6, t0); IVI_IREFLECT (t8, t7, t8, t7, t0);\
|
|
IVI_SLANT_BFLY(t1, t4, t1, t4, t0); IVI_SLANT_BFLY(t2, t3, t2, t3, t0);\
|
|
IVI_SLANT_BFLY(t5, t8, t5, t8, t0); IVI_SLANT_BFLY(t6, t7, t6, t7, t0);\
|
|
d1 = COMPENSATE(t1);\
|
|
d2 = COMPENSATE(t2);\
|
|
d3 = COMPENSATE(t3);\
|
|
d4 = COMPENSATE(t4);\
|
|
d5 = COMPENSATE(t5);\
|
|
d6 = COMPENSATE(t6);\
|
|
d7 = COMPENSATE(t7);\
|
|
d8 = COMPENSATE(t8);}
|
|
|
|
//* inverse slant4 transform
|
|
#define IVI_INV_SLANT4(s1, s4, s2, s3, d1, d2, d3, d4, t0, t1, t2, t3, t4) {\
|
|
IVI_SLANT_BFLY(s1, s2, t1, t2, t0); IVI_IREFLECT (s4, s3, t4, t3, t0);\
|
|
\
|
|
IVI_SLANT_BFLY(t1, t4, t1, t4, t0); IVI_SLANT_BFLY(t2, t3, t2, t3, t0);\
|
|
d1 = COMPENSATE(t1);\
|
|
d2 = COMPENSATE(t2);\
|
|
d3 = COMPENSATE(t3);\
|
|
d4 = COMPENSATE(t4);}
|
|
|
|
void IndeoDSP::ffIviInverseSlant8x8(const int32 *in, int16 *out, uint32 pitch, const uint8 *flags) {
|
|
int32 tmp[64];
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
#define COMPENSATE(x) (x)
|
|
const int32 *src = in;
|
|
int32 *dst = tmp;
|
|
for (int i = 0; i < 8; i++) {
|
|
if (flags[i]) {
|
|
IVI_INV_SLANT8(src[0], src[8], src[16], src[24], src[32], src[40], src[48], src[56],
|
|
dst[0], dst[8], dst[16], dst[24], dst[32], dst[40], dst[48], dst[56],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
} else {
|
|
dst[0] = dst[8] = dst[16] = dst[24] = dst[32] = dst[40] = dst[48] = dst[56] = 0;
|
|
}
|
|
|
|
src++;
|
|
dst++;
|
|
}
|
|
#undef COMPENSATE
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
src = tmp;
|
|
for (int i = 0; i < 8; i++) {
|
|
if (!src[0] && !src[1] && !src[2] && !src[3] && !src[4] && !src[5] && !src[6] && !src[7]) {
|
|
memset(out, 0, 8*sizeof(out[0]));
|
|
} else {
|
|
IVI_INV_SLANT8(src[0], src[1], src[2], src[3], src[4], src[5], src[6], src[7],
|
|
out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
}
|
|
src += 8;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviInverseSlant4x4(const int32 *in, int16 *out, uint32 pitch, const uint8 *flags) {
|
|
int32 tmp[16];
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
#define COMPENSATE(x) (x)
|
|
const int32 *src = in;
|
|
int32 *dst = tmp;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (flags[i]) {
|
|
IVI_INV_SLANT4(src[0], src[4], src[8], src[12],
|
|
dst[0], dst[4], dst[8], dst[12],
|
|
t0, t1, t2, t3, t4);
|
|
} else {
|
|
dst[0] = dst[4] = dst[8] = dst[12] = 0;
|
|
}
|
|
src++;
|
|
dst++;
|
|
}
|
|
#undef COMPENSATE
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
src = tmp;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!src[0] && !src[1] && !src[2] && !src[3]) {
|
|
out[0] = out[1] = out[2] = out[3] = 0;
|
|
} else {
|
|
IVI_INV_SLANT4(src[0], src[1], src[2], src[3],
|
|
out[0], out[1], out[2], out[3],
|
|
t0, t1, t2, t3, t4);
|
|
}
|
|
src += 4;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviDcSlant2d(const int32 *in, int16 *out, uint32 pitch,
|
|
int blkSize) {
|
|
int16 dcCoeff = (*in + 1) >> 1;
|
|
|
|
for (int y = 0; y < blkSize; out += pitch, y++) {
|
|
for (int x = 0; x < blkSize; x++)
|
|
out[x] = dcCoeff;
|
|
}
|
|
}
|
|
|
|
void IndeoDSP::ffIviRowSlant8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
for (int i = 0; i < 8; i++) {
|
|
if (!in[0] && !in[1] && !in[2] && !in[3] && !in[4] && !in[5] && !in[6] && !in[7]) {
|
|
memset(out, 0, 8*sizeof(out[0]));
|
|
} else {
|
|
IVI_INV_SLANT8( in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],
|
|
out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
}
|
|
in += 8;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviDcRowSlant(const int32 *in, int16 *out, uint32 pitch, int blkSize) {
|
|
int16 dcCoeff = (*in + 1) >> 1;
|
|
|
|
for (int x = 0; x < blkSize; x++)
|
|
out[x] = dcCoeff;
|
|
|
|
out += pitch;
|
|
|
|
for (int y = 1; y < blkSize; out += pitch, y++) {
|
|
for (int x = 0; x < blkSize; x++)
|
|
out[x] = 0;
|
|
}
|
|
}
|
|
|
|
void IndeoDSP::ffIviColSlant8(const int32 *in, int16 *out, uint32 pitch, const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4, t5, t6, t7, t8;
|
|
|
|
int row2 = pitch << 1;
|
|
int row4 = pitch << 2;
|
|
int row8 = pitch << 3;
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
for (int i = 0; i < 8; i++) {
|
|
if (flags[i]) {
|
|
IVI_INV_SLANT8(in[0], in[8], in[16], in[24], in[32], in[40], in[48], in[56],
|
|
out[0], out[pitch], out[row2], out[row2 + pitch], out[row4],
|
|
out[row4 + pitch], out[row4 + row2], out[row8 - pitch],
|
|
t0, t1, t2, t3, t4, t5, t6, t7, t8);
|
|
} else {
|
|
out[0] = out[pitch] = out[row2] = out[row2 + pitch] = out[row4] =
|
|
out[row4 + pitch] = out[row4 + row2] = out[row8 - pitch] = 0;
|
|
}
|
|
|
|
in++;
|
|
out++;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviDcColSlant(const int32 *in, int16 *out, uint32 pitch, int blkSize) {
|
|
int16 dcCoeff = (*in + 1) >> 1;
|
|
|
|
for (int y = 0; y < blkSize; out += pitch, y++) {
|
|
out[0] = dcCoeff;
|
|
for (int x = 1; x < blkSize; x++)
|
|
out[x] = 0;
|
|
}
|
|
}
|
|
|
|
void IndeoDSP::ffIviRowSlant4(const int32 *in, int16 *out,
|
|
uint32 pitch, const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!in[0] && !in[1] && !in[2] && !in[3]) {
|
|
memset(out, 0, 4*sizeof(out[0]));
|
|
} else {
|
|
IVI_INV_SLANT4( in[0], in[1], in[2], in[3],
|
|
out[0], out[1], out[2], out[3],
|
|
t0, t1, t2, t3, t4);
|
|
}
|
|
in += 4;
|
|
out += pitch;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviColSlant4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
int t0, t1, t2, t3, t4;
|
|
|
|
int row2 = pitch << 1;
|
|
|
|
#define COMPENSATE(x) (((x) + 1)>>1)
|
|
for (int i = 0; i < 4; i++) {
|
|
if (flags[i]) {
|
|
IVI_INV_SLANT4(in[0], in[4], in[8], in[12],
|
|
out[0], out[pitch], out[row2], out[row2 + pitch],
|
|
t0, t1, t2, t3, t4);
|
|
} else {
|
|
out[0] = out[pitch] = out[row2] = out[row2 + pitch] = 0;
|
|
}
|
|
|
|
in++;
|
|
out++;
|
|
}
|
|
#undef COMPENSATE
|
|
}
|
|
|
|
void IndeoDSP::ffIviPutPixels8x8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags) {
|
|
for (int y = 0; y < 8; out += pitch, in += 8, y++)
|
|
for (int x = 0; x < 8; x++)
|
|
out[x] = in[x];
|
|
}
|
|
|
|
void IndeoDSP::ffIviPutDcPixel8x8(const int32 *in, int16 *out, uint32 pitch,
|
|
int blkSize) {
|
|
out[0] = in[0];
|
|
memset(out + 1, 0, 7 * sizeof(out[0]));
|
|
out += pitch;
|
|
|
|
for (int y = 1; y < 8; out += pitch, y++)
|
|
memset(out, 0, 8 * sizeof(out[0]));
|
|
}
|
|
|
|
#define IVI_MC_TEMPLATE(size, suffix, OP) \
|
|
static void iviMc ## size ##x## size ## suffix(int16 *buf, \
|
|
uint32 dpitch, \
|
|
const int16 *refBuf, \
|
|
uint32 pitch, int mcType) \
|
|
{ \
|
|
const int16 *wptr; \
|
|
\
|
|
switch (mcType) { \
|
|
case 0: /* fullpel (no interpolation) */ \
|
|
for (int i = 0; i < size; i++, buf += dpitch, refBuf += pitch) { \
|
|
for (int j = 0; j < size; j++) {\
|
|
OP(buf[j], refBuf[j]); \
|
|
} \
|
|
} \
|
|
break; \
|
|
case 1: /* horizontal halfpel interpolation */ \
|
|
for (int i = 0; i < size; i++, buf += dpitch, refBuf += pitch) \
|
|
for (int j = 0; j < size; j++) \
|
|
OP(buf[j], (refBuf[j] + refBuf[j+1]) >> 1); \
|
|
break; \
|
|
case 2: /* vertical halfpel interpolation */ \
|
|
wptr = refBuf + pitch; \
|
|
for (int i = 0; i < size; i++, buf += dpitch, wptr += pitch, refBuf += pitch) \
|
|
for (int j = 0; j < size; j++) \
|
|
OP(buf[j], (refBuf[j] + wptr[j]) >> 1); \
|
|
break; \
|
|
case 3: /* vertical and horizontal halfpel interpolation */ \
|
|
wptr = refBuf + pitch; \
|
|
for (int i = 0; i < size; i++, buf += dpitch, wptr += pitch, refBuf += pitch) \
|
|
for (int j = 0; j < size; j++) \
|
|
OP(buf[j], (refBuf[j] + refBuf[j+1] + wptr[j] + wptr[j+1]) >> 2); \
|
|
break; \
|
|
} \
|
|
} \
|
|
\
|
|
void IndeoDSP::ffIviMc ## size ##x## size ## suffix(int16 *buf, const int16 *refBuf, \
|
|
uint32 pitch, int mcType) \
|
|
{ \
|
|
iviMc ## size ##x## size ## suffix(buf, pitch, refBuf, pitch, mcType); \
|
|
}
|
|
|
|
#define IVI_MC_AVG_TEMPLATE(size, suffix, OP) \
|
|
void IndeoDSP::ffIviMcAvg ## size ##x## size ## suffix(int16 *buf, \
|
|
const int16 *refBuf, \
|
|
const int16 *refBuf2, \
|
|
uint32 pitch, \
|
|
int mcType, int mcType2) \
|
|
{ \
|
|
int16 tmp[size * size]; \
|
|
\
|
|
iviMc ## size ##x## size ## NoDelta(tmp, size, refBuf, pitch, mcType); \
|
|
iviMc ## size ##x## size ## Delta(tmp, size, refBuf2, pitch, mcType2); \
|
|
for (int i = 0; i < size; i++, buf += pitch) { \
|
|
for (int j = 0; j < size; j++) {\
|
|
OP(buf[j], tmp[i * size + j] >> 1); \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define OP_PUT(a, b) (a) = (b)
|
|
#define OP_ADD(a, b) (a) += (b)
|
|
|
|
IVI_MC_TEMPLATE(8, NoDelta, OP_PUT)
|
|
IVI_MC_TEMPLATE(8, Delta, OP_ADD)
|
|
IVI_MC_TEMPLATE(4, NoDelta, OP_PUT)
|
|
IVI_MC_TEMPLATE(4, Delta, OP_ADD)
|
|
IVI_MC_AVG_TEMPLATE(8, NoDelta, OP_PUT)
|
|
IVI_MC_AVG_TEMPLATE(8, Delta, OP_ADD)
|
|
IVI_MC_AVG_TEMPLATE(4, NoDelta, OP_PUT)
|
|
IVI_MC_AVG_TEMPLATE(4, Delta, OP_ADD)
|
|
|
|
} // End of namespace Indeo
|
|
} // End of namespace Image
|