aboutsummaryrefslogtreecommitdiff
path: root/image/codecs/indeo/indeo_dsp.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'image/codecs/indeo/indeo_dsp.cpp')
-rw-r--r--image/codecs/indeo/indeo_dsp.cpp644
1 files changed, 644 insertions, 0 deletions
diff --git a/image/codecs/indeo/indeo_dsp.cpp b/image/codecs/indeo/indeo_dsp.cpp
new file mode 100644
index 0000000000..15626e9473
--- /dev/null
+++ b/image/codecs/indeo/indeo_dsp.cpp
@@ -0,0 +1,644 @@
+/* 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) {
+ int i, shift, sp1, sp2, sp3, sp4;
+ const int32 *src;
+ int32 * dst;
+ int tmp[64];
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+ // apply the InvHaar8 to all columns
+#define COMPENSATE(x) (x)
+ src = in;
+ dst = tmp;
+ for (i = 0; i < 8; i++) {
+ if (flags[i]) {
+ // pre-scaling
+ shift = !(i & 4);
+ sp1 = src[ 0] << shift;
+ sp2 = src[ 8] << shift;
+ sp3 = src[16] << shift;
+ 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 (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 i;
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+ // apply the InvHaar8 to all rows
+#define COMPENSATE(x) (x)
+ for (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 i;
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+ // apply the InvHaar8 to all columns
+#define COMPENSATE(x) (x)
+ for (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) {
+ int i, shift, sp1, sp2;
+ const int32 *src;
+ int32 * dst;
+ int tmp[16];
+ int t0, t1, t2, t3, t4;
+
+ // apply the InvHaar4 to all columns
+#define COMPENSATE(x) (x)
+ src = in;
+ dst = tmp;
+ for (i = 0; i < 4; i++) {
+ if (flags[i]) {
+ // pre-scaling
+ shift = !(i & 2);
+ sp1 = src[0] << shift;
+ 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 (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 i;
+ int t0, t1, t2, t3, t4;
+
+ // apply the InvHaar4 to all rows
+#define COMPENSATE(x) (x)
+ for (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 i;
+ int t0, t1, t2, t3, t4;
+
+ // apply the InvHaar8 to all columns
+#define COMPENSATE(x) (x)
+ for (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) {
+ int x, y;
+ int16 dcCoeff;
+
+ dcCoeff = (*in + 0) >> 3;
+
+ for (y = 0; y < blkSize; out += pitch, y++) {
+ for (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) {
+ int i;
+ const int32 *src;
+ int32 * dst;
+ int tmp[64];
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+#define COMPENSATE(x) (x)
+ src = in;
+ dst = tmp;
+ for (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 (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) {
+ int i;
+ const int32 *src;
+ int32 * dst;
+ int tmp[16];
+ int t0, t1, t2, t3, t4;
+
+#define COMPENSATE(x) (x)
+ src = in;
+ dst = tmp;
+ for (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 (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) {
+ int x, y;
+ int16 dcCoeff;
+
+ dcCoeff = (*in + 1) >> 1;
+
+ for (y = 0; y < blkSize; out += pitch, y++) {
+ for (x = 0; x < blkSize; x++)
+ out[x] = dcCoeff;
+ }
+}
+
+void IndeoDSP::ffIviRowSlant8(const int32 *in, int16 *out, uint32 pitch,
+ const uint8 *flags) {
+ int i;
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+#define COMPENSATE(x) (((x) + 1)>>1)
+ for (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) {
+ int x, y;
+ int16 dcCoeff;
+
+ dcCoeff = (*in + 1) >> 1;
+
+ for (x = 0; x < blkSize; x++)
+ out[x] = dcCoeff;
+
+ out += pitch;
+
+ for (y = 1; y < blkSize; out += pitch, y++) {
+ for (x = 0; x < blkSize; x++)
+ out[x] = 0;
+ }
+}
+
+void IndeoDSP::ffIviColSlant8(const int32 *in, int16 *out, uint32 pitch, const uint8 *flags) {
+ int i, row2, row4, row8;
+ int t0, t1, t2, t3, t4, t5, t6, t7, t8;
+
+ row2 = pitch << 1;
+ row4 = pitch << 2;
+ row8 = pitch << 3;
+
+#define COMPENSATE(x) (((x) + 1)>>1)
+ for (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) {
+ int x, y;
+ int16 dcCoeff;
+
+ dcCoeff = (*in + 1) >> 1;
+
+ for (y = 0; y < blkSize; out += pitch, y++) {
+ out[0] = dcCoeff;
+ for (x = 1; x < blkSize; x++)
+ out[x] = 0;
+ }
+}
+
+void IndeoDSP::ffIviRowSlant4(const int32 *in, int16 *out,
+ uint32 pitch, const uint8 *flags) {
+ int i;
+ int t0, t1, t2, t3, t4;
+
+#define COMPENSATE(x) (((x) + 1)>>1)
+ for (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 i, row2;
+ int t0, t1, t2, t3, t4;
+
+ row2 = pitch << 1;
+
+#define COMPENSATE(x) (((x) + 1)>>1)
+ for (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) {
+ int x, y;
+
+ for (y = 0; y < 8; out += pitch, in += 8, y++)
+ for (x = 0; x < 8; x++)
+ out[x] = in[x];
+}
+
+void IndeoDSP::ffIviPutDcPixel8x8(const int32 *in, int16 *out, uint32 pitch,
+ int blkSize) {
+ int y;
+
+ out[0] = in[0];
+ memset(out + 1, 0, 7*sizeof(out[0]));
+ out += pitch;
+
+ for (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) \
+{ \
+ int i, j; \
+ const int16 *wptr; \
+\
+ switch (mcType) { \
+ case 0: /* fullpel (no interpolation) */ \
+ for (i = 0; i < size; i++, buf += dpitch, refBuf += pitch) { \
+ for (j = 0; j < size; j++) {\
+ OP(buf[j], refBuf[j]); \
+ } \
+ } \
+ break; \
+ case 1: /* horizontal halfpel interpolation */ \
+ for (i = 0; i < size; i++, buf += dpitch, refBuf += pitch) \
+ for (j = 0; j < size; j++) \
+ OP(buf[j], (refBuf[j] + refBuf[j+1]) >> 1); \
+ break; \
+ case 2: /* vertical halfpel interpolation */ \
+ wptr = refBuf + pitch; \
+ for (i = 0; i < size; i++, buf += dpitch, wptr += pitch, refBuf += pitch) \
+ for (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 (i = 0; i < size; i++, buf += dpitch, wptr += pitch, refBuf += pitch) \
+ for (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]; \
+ int i, j; \
+\
+ iviMc ## size ##x## size ## NoDelta(tmp, size, refBuf, pitch, mcType); \
+ iviMc ## size ##x## size ## Delta(tmp, size, refBuf2, pitch, mcType2); \
+ for (i = 0; i < size; i++, buf += pitch) { \
+ for (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
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 11:40:13 +0000