[FFmpeg-cvslog] lavc: split snow and dirac DWTs
Michael Niedermayer
git at videolan.org
Mon Jan 14 23:03:43 CET 2013
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Jan 14 22:30:30 2013 +0100| [30981a966f175b424fe94ef04f56c1e9bebe47dd] | committer: Michael Niedermayer
lavc: split snow and dirac DWTs
There is only about 4 lines of common code, so it alot cleaner
when seperated.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=30981a966f175b424fe94ef04f56c1e9bebe47dd
---
libavcodec/Makefile | 7 +-
libavcodec/dirac_dwt.c | 585 +++++++++++++++++++++++++++++++++
libavcodec/dirac_dwt.h | 126 +++++++
libavcodec/diracdec.c | 2 +-
libavcodec/ivi_dsp.c | 5 +-
libavcodec/snow.c | 2 +-
libavcodec/snow.h | 4 +-
libavcodec/{dwt.c => snow_dwt.c} | 545 +-----------------------------
libavcodec/{dwt.h => snow_dwt.h} | 104 +-----
libavcodec/snowdec.c | 2 +-
libavcodec/snowenc.c | 2 +-
libavcodec/x86/Makefile | 8 +-
libavcodec/x86/{dwt.c => dirac_dwt.c} | 2 +-
libavcodec/x86/{dwt.h => dirac_dwt.h} | 6 +-
libavcodec/x86/snowdsp.c | 4 +-
15 files changed, 744 insertions(+), 660 deletions(-)
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 52e6fce..0925e96 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -41,7 +41,6 @@ OBJS-$(CONFIG_AANDCTTABLES) += aandcttab.o
OBJS-$(CONFIG_AC3DSP) += ac3dsp.o
OBJS-$(CONFIG_CRYSTALHD) += crystalhd.o
OBJS-$(CONFIG_DCT) += dct.o dct32_fixed.o dct32_float.o
-OBJS-$(CONFIG_DWT) += dwt.o snow.o
OBJS-$(CONFIG_DXVA2) += dxva2.o
OBJS-$(CONFIG_ENCODERS) += faandct.o jfdctfst.o jfdctint.o
OBJS-$(CONFIG_ERROR_RESILIENCE) += error_resilience.o
@@ -158,7 +157,7 @@ OBJS-$(CONFIG_DCA_DECODER) += dcadec.o dca.o dcadsp.o \
dca_parser.o synth_filter.o
OBJS-$(CONFIG_DCA_ENCODER) += dcaenc.o dca.o
OBJS-$(CONFIG_DIRAC_DECODER) += diracdec.o dirac.o diracdsp.o \
- dirac_arith.o mpeg12data.o dwt.o
+ dirac_arith.o mpeg12data.o dirac_dwt.o
OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o
@@ -396,8 +395,8 @@ OBJS-$(CONFIG_SIPR_DECODER) += sipr.o acelp_pitch_delay.o \
OBJS-$(CONFIG_SMACKAUD_DECODER) += smacker.o
OBJS-$(CONFIG_SMACKER_DECODER) += smacker.o
OBJS-$(CONFIG_SMC_DECODER) += smc.o
-OBJS-$(CONFIG_SNOW_DECODER) += snowdec.o snow.o
-OBJS-$(CONFIG_SNOW_ENCODER) += snowenc.o snow.o \
+OBJS-$(CONFIG_SNOW_DECODER) += snowdec.o snow.o snow_dwt.o
+OBJS-$(CONFIG_SNOW_ENCODER) += snowenc.o snow.o snow_dwt.o \
h263.o ituh263enc.o
OBJS-$(CONFIG_SOL_DPCM_DECODER) += dpcm.o
OBJS-$(CONFIG_SONIC_DECODER) += sonic.o
diff --git a/libavcodec/dirac_dwt.c b/libavcodec/dirac_dwt.c
new file mode 100644
index 0000000..a2848f0
--- /dev/null
+++ b/libavcodec/dirac_dwt.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright (C) 2004-2010 Michael Niedermayer <michaelni at gmx.at>
+ * Copyright (C) 2008 David Conrad
+ *
+ * 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 "libavutil/attributes.h"
+#include "libavutil/avassert.h"
+#include "libavutil/common.h"
+#include "dsputil.h"
+#include "dirac_dwt.h"
+#include "libavcodec/x86/dirac_dwt.h"
+
+
+static inline int mirror(int v, int m)
+{
+ while ((unsigned)v > (unsigned)m) {
+ v = -v;
+ if (v < 0)
+ v += 2 * m;
+ }
+ return v;
+}
+
+static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+ int width)
+{
+ int i;
+
+ for (i = 0; i < width; i++)
+ b1[i] -= (b0[i] + b2[i] + 2) >> 2;
+}
+
+
+static av_always_inline
+void interleave(IDWTELEM *dst, IDWTELEM *src0, IDWTELEM *src1, int w2, int add, int shift)
+{
+ int i;
+ for (i = 0; i < w2; i++) {
+ dst[2*i ] = (src0[i] + add) >> shift;
+ dst[2*i+1] = (src1[i] + add) >> shift;
+ }
+}
+
+static void horizontal_compose_dirac53i(IDWTELEM *b, IDWTELEM *temp, int w)
+{
+ const int w2 = w >> 1;
+ int x;
+
+ temp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
+ for (x = 1; x < w2; x++) {
+ temp[x ] = COMPOSE_53iL0 (b[x+w2-1], b[x ], b[x+w2]);
+ temp[x+w2-1] = COMPOSE_DIRAC53iH0(temp[x-1], b[x+w2-1], temp[x]);
+ }
+ temp[w-1] = COMPOSE_DIRAC53iH0(temp[w2-1], b[w-1], temp[w2-1]);
+
+ interleave(b, temp, temp+w2, w2, 1, 1);
+}
+
+static void horizontal_compose_dd97i(IDWTELEM *b, IDWTELEM *tmp, int w)
+{
+ const int w2 = w >> 1;
+ int x;
+
+ tmp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
+ for (x = 1; x < w2; x++)
+ tmp[x] = COMPOSE_53iL0(b[x+w2-1], b[x], b[x+w2]);
+
+ // extend the edges
+ tmp[-1] = tmp[0];
+ tmp[w2+1] = tmp[w2] = tmp[w2-1];
+
+ for (x = 0; x < w2; x++) {
+ b[2*x ] = (tmp[x] + 1)>>1;
+ b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
+ }
+}
+
+static void horizontal_compose_dd137i(IDWTELEM *b, IDWTELEM *tmp, int w)
+{
+ const int w2 = w >> 1;
+ int x;
+
+ tmp[0] = COMPOSE_DD137iL0(b[w2], b[w2], b[0], b[w2 ], b[w2+1]);
+ tmp[1] = COMPOSE_DD137iL0(b[w2], b[w2], b[1], b[w2+1], b[w2+2]);
+ for (x = 2; x < w2-1; x++)
+ tmp[x] = COMPOSE_DD137iL0(b[x+w2-2], b[x+w2-1], b[x], b[x+w2], b[x+w2+1]);
+ tmp[w2-1] = COMPOSE_DD137iL0(b[w-3], b[w-2], b[w2-1], b[w-1], b[w-1]);
+
+ // extend the edges
+ tmp[-1] = tmp[0];
+ tmp[w2+1] = tmp[w2] = tmp[w2-1];
+
+ for (x = 0; x < w2; x++) {
+ b[2*x ] = (tmp[x] + 1)>>1;
+ b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
+ }
+}
+
+static av_always_inline
+void horizontal_compose_haari(IDWTELEM *b, IDWTELEM *temp, int w, int shift)
+{
+ const int w2 = w >> 1;
+ int x;
+
+ for (x = 0; x < w2; x++) {
+ temp[x ] = COMPOSE_HAARiL0(b[x ], b[x+w2]);
+ temp[x+w2] = COMPOSE_HAARiH0(b[x+w2], temp[x]);
+ }
+
+ interleave(b, temp, temp+w2, w2, shift, shift);
+}
+
+static void horizontal_compose_haar0i(IDWTELEM *b, IDWTELEM *temp, int w)
+{
+ horizontal_compose_haari(b, temp, w, 0);
+}
+
+static void horizontal_compose_haar1i(IDWTELEM *b, IDWTELEM *temp, int w)
+{
+ horizontal_compose_haari(b, temp, w, 1);
+}
+
+static void horizontal_compose_fidelityi(IDWTELEM *b, IDWTELEM *tmp, int w)
+{
+ const int w2 = w >> 1;
+ int i, x;
+ IDWTELEM v[8];
+
+ for (x = 0; x < w2; x++) {
+ for (i = 0; i < 8; i++)
+ v[i] = b[av_clip(x-3+i, 0, w2-1)];
+ tmp[x] = COMPOSE_FIDELITYiH0(v[0], v[1], v[2], v[3], b[x+w2], v[4], v[5], v[6], v[7]);
+ }
+
+ for (x = 0; x < w2; x++) {
+ for (i = 0; i < 8; i++)
+ v[i] = tmp[av_clip(x-4+i, 0, w2-1)];
+ tmp[x+w2] = COMPOSE_FIDELITYiL0(v[0], v[1], v[2], v[3], b[x], v[4], v[5], v[6], v[7]);
+ }
+
+ interleave(b, tmp+w2, tmp, w2, 0, 0);
+}
+
+static void horizontal_compose_daub97i(IDWTELEM *b, IDWTELEM *temp, int w)
+{
+ const int w2 = w >> 1;
+ int x, b0, b1, b2;
+
+ temp[0] = COMPOSE_DAUB97iL1(b[w2], b[0], b[w2]);
+ for (x = 1; x < w2; x++) {
+ temp[x ] = COMPOSE_DAUB97iL1(b[x+w2-1], b[x ], b[x+w2]);
+ temp[x+w2-1] = COMPOSE_DAUB97iH1(temp[x-1], b[x+w2-1], temp[x]);
+ }
+ temp[w-1] = COMPOSE_DAUB97iH1(temp[w2-1], b[w-1], temp[w2-1]);
+
+ // second stage combined with interleave and shift
+ b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]);
+ b[0] = (b0 + 1) >> 1;
+ for (x = 1; x < w2; x++) {
+ b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x ], temp[x+w2]);
+ b1 = COMPOSE_DAUB97iH0( b0, temp[x+w2-1], b2 );
+ b[2*x-1] = (b1 + 1) >> 1;
+ b[2*x ] = (b2 + 1) >> 1;
+ b0 = b2;
+ }
+ b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1;
+}
+
+static void vertical_compose_dirac53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]);
+ }
+}
+
+static void vertical_compose_dd97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+ IDWTELEM *b3, IDWTELEM *b4, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]);
+ }
+}
+
+static void vertical_compose_dd137iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+ IDWTELEM *b3, IDWTELEM *b4, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]);
+ }
+}
+
+static void vertical_compose_haar(IDWTELEM *b0, IDWTELEM *b1, int width)
+{
+ int i;
+
+ for (i = 0; i < width; i++) {
+ b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]);
+ b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]);
+ }
+}
+
+static void vertical_compose_fidelityiH0(IDWTELEM *dst, IDWTELEM *b[8], int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ dst[i] = COMPOSE_FIDELITYiH0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]);
+ }
+}
+
+static void vertical_compose_fidelityiL0(IDWTELEM *dst, IDWTELEM *b[8], int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ dst[i] = COMPOSE_FIDELITYiL0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]);
+ }
+}
+
+static void vertical_compose_daub97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b1[i] = COMPOSE_DAUB97iH0(b0[i], b1[i], b2[i]);
+ }
+}
+
+static void vertical_compose_daub97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b1[i] = COMPOSE_DAUB97iH1(b0[i], b1[i], b2[i]);
+ }
+}
+
+static void vertical_compose_daub97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b1[i] = COMPOSE_DAUB97iL0(b0[i], b1[i], b2[i]);
+ }
+}
+
+static void vertical_compose_daub97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
+{
+ int i;
+
+ for(i=0; i<width; i++){
+ b1[i] = COMPOSE_DAUB97iL1(b0[i], b1[i], b2[i]);
+ }
+}
+
+
+static void spatial_compose_dd97i_dy(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
+ vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
+ DWTCompose *cs = d->cs + level;
+
+ int i, y = cs->y;
+ IDWTELEM *b[8];
+ for (i = 0; i < 6; i++)
+ b[i] = cs->b[i];
+ b[6] = d->buffer + av_clip(y+5, 0, height-2)*stride;
+ b[7] = d->buffer + av_clip(y+6, 1, height-1)*stride;
+
+ if(y+5<(unsigned)height) vertical_compose_l0( b[5], b[6], b[7], width);
+ if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
+
+ if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
+ if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
+
+ for (i = 0; i < 6; i++)
+ cs->b[i] = b[i+2];
+ cs->y += 2;
+}
+
+static void spatial_compose_dirac53i_dy(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
+ vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
+ DWTCompose *cs = d->cs + level;
+
+ int y= cs->y;
+ IDWTELEM *b[4] = { cs->b[0], cs->b[1] };
+ b[2] = d->buffer + mirror(y+1, height-1)*stride;
+ b[3] = d->buffer + mirror(y+2, height-1)*stride;
+
+ if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
+ if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
+
+ if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
+ if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
+
+ cs->b[0] = b[2];
+ cs->b[1] = b[3];
+ cs->y += 2;
+}
+
+
+static void spatial_compose_dd137i_dy(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_5tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
+ vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
+ DWTCompose *cs = d->cs + level;
+
+ int i, y = cs->y;
+ IDWTELEM *b[10];
+ for (i = 0; i < 8; i++)
+ b[i] = cs->b[i];
+ b[8] = d->buffer + av_clip(y+7, 0, height-2)*stride;
+ b[9] = d->buffer + av_clip(y+8, 1, height-1)*stride;
+
+ if(y+5<(unsigned)height) vertical_compose_l0(b[3], b[5], b[6], b[7], b[9], width);
+ if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
+
+ if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
+ if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
+
+ for (i = 0; i < 8; i++)
+ cs->b[i] = b[i+2];
+ cs->y += 2;
+}
+
+// haar makes the assumption that height is even (always true for dirac)
+static void spatial_compose_haari_dy(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_2tap vertical_compose = (void*)d->vertical_compose;
+ int y = d->cs[level].y;
+ IDWTELEM *b0 = d->buffer + (y-1)*stride;
+ IDWTELEM *b1 = d->buffer + (y )*stride;
+
+ vertical_compose(b0, b1, width);
+ d->horizontal_compose(b0, d->temp, width);
+ d->horizontal_compose(b1, d->temp, width);
+
+ d->cs[level].y += 2;
+}
+
+// Don't do sliced idwt for fidelity; the 9 tap filter makes it a bit annoying
+// Fortunately, this filter isn't used in practice.
+static void spatial_compose_fidelity(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_9tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
+ vertical_compose_9tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
+ int i, y;
+ IDWTELEM *b[8];
+
+ for (y = 1; y < height; y += 2) {
+ for (i = 0; i < 8; i++)
+ b[i] = d->buffer + av_clip((y-7 + 2*i), 0, height-2)*stride;
+ vertical_compose_h0(d->buffer + y*stride, b, width);
+ }
+
+ for (y = 0; y < height; y += 2) {
+ for (i = 0; i < 8; i++)
+ b[i] = d->buffer + av_clip((y-7 + 2*i), 1, height-1)*stride;
+ vertical_compose_l0(d->buffer + y*stride, b, width);
+ }
+
+ for (y = 0; y < height; y++)
+ d->horizontal_compose(d->buffer + y*stride, d->temp, width);
+
+ d->cs[level].y = height+1;
+}
+
+static void spatial_compose_daub97i_dy(DWTContext *d, int level, int width, int height, int stride)
+{
+ vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
+ vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
+ vertical_compose_3tap vertical_compose_l1 = (void*)d->vertical_compose_l1;
+ vertical_compose_3tap vertical_compose_h1 = (void*)d->vertical_compose_h1;
+ DWTCompose *cs = d->cs + level;
+
+ int i, y = cs->y;
+ IDWTELEM *b[6];
+ for (i = 0; i < 4; i++)
+ b[i] = cs->b[i];
+ b[4] = d->buffer + mirror(y+3, height-1)*stride;
+ b[5] = d->buffer + mirror(y+4, height-1)*stride;
+
+ if(y+3<(unsigned)height) vertical_compose_l1(b[3], b[4], b[5], width);
+ if(y+2<(unsigned)height) vertical_compose_h1(b[2], b[3], b[4], width);
+ if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
+ if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
+
+ if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
+ if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
+
+ for (i = 0; i < 4; i++)
+ cs->b[i] = b[i+2];
+ cs->y += 2;
+}
+
+
+static void spatial_compose97i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
+{
+ cs->b[0] = buffer + mirror(-3-1, height-1)*stride;
+ cs->b[1] = buffer + mirror(-3 , height-1)*stride;
+ cs->b[2] = buffer + mirror(-3+1, height-1)*stride;
+ cs->b[3] = buffer + mirror(-3+2, height-1)*stride;
+ cs->y = -3;
+}
+
+static void spatial_compose53i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
+{
+ cs->b[0] = buffer + mirror(-1-1, height-1)*stride;
+ cs->b[1] = buffer + mirror(-1 , height-1)*stride;
+ cs->y = -1;
+}
+
+static void spatial_compose_dd97i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
+{
+ cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
+ cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride;
+ cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
+ cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
+ cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
+ cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
+ cs->y = -5;
+}
+
+static void spatial_compose_dd137i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
+{
+ cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
+ cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride;
+ cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
+ cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
+ cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
+ cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
+ cs->b[6] = buffer + av_clip(-5+5, 0, height-2)*stride;
+ cs->b[7] = buffer + av_clip(-5+6, 1, height-1)*stride;
+ cs->y = -5;
+}
+
+int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height,
+ int stride, enum dwt_type type, int decomposition_count,
+ IDWTELEM *temp)
+{
+ int level;
+
+ d->buffer = buffer;
+ d->width = width;
+ d->height = height;
+ d->stride = stride;
+ d->decomposition_count = decomposition_count;
+ d->temp = temp + 8;
+
+ for(level=decomposition_count-1; level>=0; level--){
+ int hl = height >> level;
+ int stride_l = stride << level;
+
+ switch(type){
+ case DWT_DIRAC_DD9_7:
+ spatial_compose_dd97i_init(d->cs+level, buffer, hl, stride_l);
+ break;
+ case DWT_DIRAC_LEGALL5_3:
+ spatial_compose53i_init2(d->cs+level, buffer, hl, stride_l);
+ break;
+ case DWT_DIRAC_DD13_7:
+ spatial_compose_dd137i_init(d->cs+level, buffer, hl, stride_l);
+ break;
+ case DWT_DIRAC_HAAR0:
+ case DWT_DIRAC_HAAR1:
+ d->cs[level].y = 1;
+ break;
+ case DWT_DIRAC_DAUB9_7:
+ spatial_compose97i_init2(d->cs+level, buffer, hl, stride_l);
+ break;
+ default:
+ d->cs[level].y = 0;
+ break;
+ }
+ }
+
+ switch (type) {
+ case DWT_DIRAC_DD9_7:
+ d->spatial_compose = spatial_compose_dd97i_dy;
+ d->vertical_compose_l0 = (void*)vertical_compose53iL0;
+ d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0;
+ d->horizontal_compose = horizontal_compose_dd97i;
+ d->support = 7;
+ break;
+ case DWT_DIRAC_LEGALL5_3:
+ d->spatial_compose = spatial_compose_dirac53i_dy;
+ d->vertical_compose_l0 = (void*)vertical_compose53iL0;
+ d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0;
+ d->horizontal_compose = horizontal_compose_dirac53i;
+ d->support = 3;
+ break;
+ case DWT_DIRAC_DD13_7:
+ d->spatial_compose = spatial_compose_dd137i_dy;
+ d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0;
+ d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0;
+ d->horizontal_compose = horizontal_compose_dd137i;
+ d->support = 7;
+ break;
+ case DWT_DIRAC_HAAR0:
+ case DWT_DIRAC_HAAR1:
+ d->spatial_compose = spatial_compose_haari_dy;
+ d->vertical_compose = (void*)vertical_compose_haar;
+ if (type == DWT_DIRAC_HAAR0)
+ d->horizontal_compose = horizontal_compose_haar0i;
+ else
+ d->horizontal_compose = horizontal_compose_haar1i;
+ d->support = 1;
+ break;
+ case DWT_DIRAC_FIDELITY:
+ d->spatial_compose = spatial_compose_fidelity;
+ d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0;
+ d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0;
+ d->horizontal_compose = horizontal_compose_fidelityi;
+ break;
+ case DWT_DIRAC_DAUB9_7:
+ d->spatial_compose = spatial_compose_daub97i_dy;
+ d->vertical_compose_l0 = (void*)vertical_compose_daub97iL0;
+ d->vertical_compose_h0 = (void*)vertical_compose_daub97iH0;
+ d->vertical_compose_l1 = (void*)vertical_compose_daub97iL1;
+ d->vertical_compose_h1 = (void*)vertical_compose_daub97iH1;
+ d->horizontal_compose = horizontal_compose_daub97i;
+ d->support = 5;
+ break;
+ default:
+ av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type);
+ return -1;
+ }
+
+ if (HAVE_MMX) ff_spatial_idwt_init_mmx(d, type);
+
+ return 0;
+}
+
+void ff_spatial_idwt_slice2(DWTContext *d, int y)
+{
+ int level, support = d->support;
+
+ for (level = d->decomposition_count-1; level >= 0; level--) {
+ int wl = d->width >> level;
+ int hl = d->height >> level;
+ int stride_l = d->stride << level;
+
+ while (d->cs[level].y <= FFMIN((y>>level)+support, hl))
+ d->spatial_compose(d, level, wl, hl, stride_l);
+ }
+}
+
+int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride,
+ enum dwt_type type, int decomposition_count, IDWTELEM *temp)
+{
+ DWTContext d;
+ int y;
+
+ if (ff_spatial_idwt_init2(&d, buffer, width, height, stride, type, decomposition_count, temp))
+ return -1;
+
+ for (y = 0; y < d.height; y += 4)
+ ff_spatial_idwt_slice2(&d, y);
+
+ return 0;
+}
diff --git a/libavcodec/dirac_dwt.h b/libavcodec/dirac_dwt.h
new file mode 100644
index 0000000..9514e95
--- /dev/null
+++ b/libavcodec/dirac_dwt.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2004-2010 Michael Niedermayer <michaelni at gmx.at>
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_DIRAC_DWT_H
+#define AVCODEC_DIRAC_DWT_H
+
+#include <stdint.h>
+
+typedef int DWTELEM;
+typedef short IDWTELEM;
+
+#define MAX_DWT_SUPPORT 8
+#define MAX_DECOMPOSITIONS 8
+
+typedef struct DWTCompose {
+ IDWTELEM *b[MAX_DWT_SUPPORT];
+ int y;
+} DWTCompose;
+
+struct DWTContext;
+
+// Possible prototypes for vertical_compose functions
+typedef void (*vertical_compose_2tap)(IDWTELEM *b0, IDWTELEM *b1, int width);
+typedef void (*vertical_compose_3tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width);
+typedef void (*vertical_compose_5tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width);
+typedef void (*vertical_compose_9tap)(IDWTELEM *dst, IDWTELEM *b[8], int width);
+
+typedef struct DWTContext {
+ IDWTELEM *buffer;
+ IDWTELEM *temp;
+ int width;
+ int height;
+ int stride;
+ int decomposition_count;
+ int support;
+
+ void (*spatial_compose)(struct DWTContext *cs, int level, int width, int height, int stride);
+ void (*vertical_compose_l0)(void);
+ void (*vertical_compose_h0)(void);
+ void (*vertical_compose_l1)(void);
+ void (*vertical_compose_h1)(void);
+ void (*vertical_compose)(void); ///< one set of lowpass and highpass combined
+ void (*horizontal_compose)(IDWTELEM *b, IDWTELEM *tmp, int width);
+
+ DWTCompose cs[MAX_DECOMPOSITIONS];
+} DWTContext;
+
+enum dwt_type {
+ DWT_SNOW_DAUB9_7,
+ DWT_SNOW_LEGALL5_3,
+ DWT_DIRAC_DD9_7,
+ DWT_DIRAC_LEGALL5_3,
+ DWT_DIRAC_DD13_7,
+ DWT_DIRAC_HAAR0,
+ DWT_DIRAC_HAAR1,
+ DWT_DIRAC_FIDELITY,
+ DWT_DIRAC_DAUB9_7,
+ DWT_NUM_TYPES
+};
+
+// -1 if an error occurred, e.g. the dwt_type isn't recognized
+int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height,
+ int stride, enum dwt_type type, int decomposition_count,
+ IDWTELEM *temp);
+
+int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride,
+ enum dwt_type type, int decomposition_count, IDWTELEM *temp);
+
+void ff_spatial_idwt_slice2(DWTContext *d, int y);
+
+// shared stuff for simd optimiztions
+#define COMPOSE_53iL0(b0, b1, b2)\
+ (b1 - ((b0 + b2 + 2) >> 2))
+
+#define COMPOSE_DIRAC53iH0(b0, b1, b2)\
+ (b1 + ((b0 + b2 + 1) >> 1))
+
+#define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)\
+ (b2 + ((-b0 + 9*b1 + 9*b3 - b4 + 8) >> 4))
+
+#define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\
+ (b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5))
+
+#define COMPOSE_HAARiL0(b0, b1)\
+ (b0 - ((b1 + 1) >> 1))
+
+#define COMPOSE_HAARiH0(b0, b1)\
+ (b0 + b1)
+
+#define COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
+ (b4 - ((-8*(b0+b8) + 21*(b1+b7) - 46*(b2+b6) + 161*(b3+b5) + 128) >> 8))
+
+#define COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
+ (b4 + ((-2*(b0+b8) + 10*(b1+b7) - 25*(b2+b6) + 81*(b3+b5) + 128) >> 8))
+
+#define COMPOSE_DAUB97iL1(b0, b1, b2)\
+ (b1 - ((1817*(b0 + b2) + 2048) >> 12))
+
+#define COMPOSE_DAUB97iH1(b0, b1, b2)\
+ (b1 - (( 113*(b0 + b2) + 64) >> 7))
+
+#define COMPOSE_DAUB97iL0(b0, b1, b2)\
+ (b1 + (( 217*(b0 + b2) + 2048) >> 12))
+
+#define COMPOSE_DAUB97iH0(b0, b1, b2)\
+ (b1 + ((6497*(b0 + b2) + 2048) >> 12))
+
+
+#endif /* AVCODEC_DWT_H */
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index c431b97..a9191cd 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -34,7 +34,7 @@
#include "golomb.h"
#include "dirac_arith.h"
#include "mpeg12data.h"
-#include "dwt.h"
+#include "dirac_dwt.h"
#include "dirac.h"
#include "diracdsp.h"
diff --git a/libavcodec/ivi_dsp.c b/libavcodec/ivi_dsp.c
index 52cd402..4411c09 100644
--- a/libavcodec/ivi_dsp.c
+++ b/libavcodec/ivi_dsp.c
@@ -28,7 +28,6 @@
#include "avcodec.h"
#include "dsputil.h"
-#include "dwt.h"
#include "ivi_common.h"
#include "ivi_dsp.h"
@@ -40,7 +39,7 @@ void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
int32_t b0_1, b0_2, b1_1, b1_2, b1_3, b2_1, b2_2, b2_3, b2_4, b2_5, b2_6;
int32_t b3_1, b3_2, b3_3, b3_4, b3_5, b3_6, b3_7, b3_8, b3_9;
int32_t pitch, back_pitch;
- const IDWTELEM *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;
+ const short *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;
const int num_bands = 4;
/* all bands should have the same pitch */
@@ -193,7 +192,7 @@ void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst,
const int dst_pitch)
{
int x, y, indx, b0, b1, b2, b3, p0, p1, p2, p3;
- const IDWTELEM *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;
+ const short *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr;
int32_t pitch;
/* all bands should have the same pitch */
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 3adf723..1efe560 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -23,7 +23,7 @@
#include "libavutil/opt.h"
#include "avcodec.h"
#include "dsputil.h"
-#include "dwt.h"
+#include "snow_dwt.h"
#include "internal.h"
#include "snow.h"
#include "snowdata.h"
diff --git a/libavcodec/snow.h b/libavcodec/snow.h
index 2565988..83c64c0 100644
--- a/libavcodec/snow.h
+++ b/libavcodec/snow.h
@@ -23,7 +23,7 @@
#define AVCODEC_SNOW_H
#include "dsputil.h"
-#include "dwt.h"
+#include "snow_dwt.h"
#include "rangecoder.h"
#include "mathops.h"
@@ -109,7 +109,7 @@ typedef struct SnowContext{
RangeCoder c;
DSPContext dsp;
VideoDSPContext vdsp;
- DWTContext dwt;
+ SnowDWTContext dwt;
AVFrame new_picture;
AVFrame input_picture; ///< new_picture with the internal linesizes
AVFrame current_picture;
diff --git a/libavcodec/dwt.c b/libavcodec/snow_dwt.c
similarity index 61%
rename from libavcodec/dwt.c
rename to libavcodec/snow_dwt.c
index d36d25d..28edf6a 100644
--- a/libavcodec/dwt.c
+++ b/libavcodec/snow_dwt.c
@@ -23,8 +23,7 @@
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "dsputil.h"
-#include "dwt.h"
-#include "libavcodec/x86/dwt.h"
+#include "snow_dwt.h"
int ff_slice_buffer_init(slice_buffer *buf, int line_count,
int max_allocated_lines, int line_width,
@@ -566,7 +565,7 @@ static void spatial_compose97i_init(DWTCompose *cs, IDWTELEM *buffer, int height
cs->y = -3;
}
-static void spatial_compose97i_dy_buffered(DWTContext *dsp, DWTCompose *cs,
+static void spatial_compose97i_dy_buffered(SnowDWTContext *dsp, DWTCompose *cs,
slice_buffer * sb, IDWTELEM *temp,
int width, int height,
int stride_line)
@@ -661,7 +660,7 @@ void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer *sb, int width,
}
}
-void ff_spatial_idwt_buffered_slice(DWTContext *dsp, DWTCompose *cs,
+void ff_spatial_idwt_buffered_slice(SnowDWTContext *dsp, DWTCompose *cs,
slice_buffer *slice_buf, IDWTELEM *temp,
int width, int height, int stride_line,
int type, int decomposition_count, int y)
@@ -853,7 +852,7 @@ void ff_dsputil_init_dwt(DSPContext *c)
c->w97[1] = w97_8_c;
}
-void ff_dwt_init(DWTContext *c)
+void ff_dwt_init(SnowDWTContext *c)
{
c->vertical_compose97i = ff_snow_vertical_compose97i;
c->horizontal_compose97i = ff_snow_horizontal_compose97i;
@@ -864,539 +863,3 @@ void ff_dwt_init(DWTContext *c)
}
-static av_always_inline
-void interleave(IDWTELEM *dst, IDWTELEM *src0, IDWTELEM *src1, int w2, int add, int shift)
-{
- int i;
- for (i = 0; i < w2; i++) {
- dst[2*i ] = (src0[i] + add) >> shift;
- dst[2*i+1] = (src1[i] + add) >> shift;
- }
-}
-
-static void horizontal_compose_dirac53i(IDWTELEM *b, IDWTELEM *temp, int w)
-{
- const int w2 = w >> 1;
- int x;
-
- temp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
- for (x = 1; x < w2; x++) {
- temp[x ] = COMPOSE_53iL0 (b[x+w2-1], b[x ], b[x+w2]);
- temp[x+w2-1] = COMPOSE_DIRAC53iH0(temp[x-1], b[x+w2-1], temp[x]);
- }
- temp[w-1] = COMPOSE_DIRAC53iH0(temp[w2-1], b[w-1], temp[w2-1]);
-
- interleave(b, temp, temp+w2, w2, 1, 1);
-}
-
-static void horizontal_compose_dd97i(IDWTELEM *b, IDWTELEM *tmp, int w)
-{
- const int w2 = w >> 1;
- int x;
-
- tmp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
- for (x = 1; x < w2; x++)
- tmp[x] = COMPOSE_53iL0(b[x+w2-1], b[x], b[x+w2]);
-
- // extend the edges
- tmp[-1] = tmp[0];
- tmp[w2+1] = tmp[w2] = tmp[w2-1];
-
- for (x = 0; x < w2; x++) {
- b[2*x ] = (tmp[x] + 1)>>1;
- b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
- }
-}
-
-static void horizontal_compose_dd137i(IDWTELEM *b, IDWTELEM *tmp, int w)
-{
- const int w2 = w >> 1;
- int x;
-
- tmp[0] = COMPOSE_DD137iL0(b[w2], b[w2], b[0], b[w2 ], b[w2+1]);
- tmp[1] = COMPOSE_DD137iL0(b[w2], b[w2], b[1], b[w2+1], b[w2+2]);
- for (x = 2; x < w2-1; x++)
- tmp[x] = COMPOSE_DD137iL0(b[x+w2-2], b[x+w2-1], b[x], b[x+w2], b[x+w2+1]);
- tmp[w2-1] = COMPOSE_DD137iL0(b[w-3], b[w-2], b[w2-1], b[w-1], b[w-1]);
-
- // extend the edges
- tmp[-1] = tmp[0];
- tmp[w2+1] = tmp[w2] = tmp[w2-1];
-
- for (x = 0; x < w2; x++) {
- b[2*x ] = (tmp[x] + 1)>>1;
- b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
- }
-}
-
-static av_always_inline
-void horizontal_compose_haari(IDWTELEM *b, IDWTELEM *temp, int w, int shift)
-{
- const int w2 = w >> 1;
- int x;
-
- for (x = 0; x < w2; x++) {
- temp[x ] = COMPOSE_HAARiL0(b[x ], b[x+w2]);
- temp[x+w2] = COMPOSE_HAARiH0(b[x+w2], temp[x]);
- }
-
- interleave(b, temp, temp+w2, w2, shift, shift);
-}
-
-static void horizontal_compose_haar0i(IDWTELEM *b, IDWTELEM *temp, int w)
-{
- horizontal_compose_haari(b, temp, w, 0);
-}
-
-static void horizontal_compose_haar1i(IDWTELEM *b, IDWTELEM *temp, int w)
-{
- horizontal_compose_haari(b, temp, w, 1);
-}
-
-static void horizontal_compose_fidelityi(IDWTELEM *b, IDWTELEM *tmp, int w)
-{
- const int w2 = w >> 1;
- int i, x;
- IDWTELEM v[8];
-
- for (x = 0; x < w2; x++) {
- for (i = 0; i < 8; i++)
- v[i] = b[av_clip(x-3+i, 0, w2-1)];
- tmp[x] = COMPOSE_FIDELITYiH0(v[0], v[1], v[2], v[3], b[x+w2], v[4], v[5], v[6], v[7]);
- }
-
- for (x = 0; x < w2; x++) {
- for (i = 0; i < 8; i++)
- v[i] = tmp[av_clip(x-4+i, 0, w2-1)];
- tmp[x+w2] = COMPOSE_FIDELITYiL0(v[0], v[1], v[2], v[3], b[x], v[4], v[5], v[6], v[7]);
- }
-
- interleave(b, tmp+w2, tmp, w2, 0, 0);
-}
-
-static void horizontal_compose_daub97i(IDWTELEM *b, IDWTELEM *temp, int w)
-{
- const int w2 = w >> 1;
- int x, b0, b1, b2;
-
- temp[0] = COMPOSE_DAUB97iL1(b[w2], b[0], b[w2]);
- for (x = 1; x < w2; x++) {
- temp[x ] = COMPOSE_DAUB97iL1(b[x+w2-1], b[x ], b[x+w2]);
- temp[x+w2-1] = COMPOSE_DAUB97iH1(temp[x-1], b[x+w2-1], temp[x]);
- }
- temp[w-1] = COMPOSE_DAUB97iH1(temp[w2-1], b[w-1], temp[w2-1]);
-
- // second stage combined with interleave and shift
- b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]);
- b[0] = (b0 + 1) >> 1;
- for (x = 1; x < w2; x++) {
- b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x ], temp[x+w2]);
- b1 = COMPOSE_DAUB97iH0( b0, temp[x+w2-1], b2 );
- b[2*x-1] = (b1 + 1) >> 1;
- b[2*x ] = (b2 + 1) >> 1;
- b0 = b2;
- }
- b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1;
-}
-
-static void vertical_compose_dirac53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]);
- }
-}
-
-static void vertical_compose_dd97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
- IDWTELEM *b3, IDWTELEM *b4, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]);
- }
-}
-
-static void vertical_compose_dd137iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
- IDWTELEM *b3, IDWTELEM *b4, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]);
- }
-}
-
-static void vertical_compose_haar(IDWTELEM *b0, IDWTELEM *b1, int width)
-{
- int i;
-
- for (i = 0; i < width; i++) {
- b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]);
- b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]);
- }
-}
-
-static void vertical_compose_fidelityiH0(IDWTELEM *dst, IDWTELEM *b[8], int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- dst[i] = COMPOSE_FIDELITYiH0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]);
- }
-}
-
-static void vertical_compose_fidelityiL0(IDWTELEM *dst, IDWTELEM *b[8], int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- dst[i] = COMPOSE_FIDELITYiL0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]);
- }
-}
-
-static void vertical_compose_daub97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b1[i] = COMPOSE_DAUB97iH0(b0[i], b1[i], b2[i]);
- }
-}
-
-static void vertical_compose_daub97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b1[i] = COMPOSE_DAUB97iH1(b0[i], b1[i], b2[i]);
- }
-}
-
-static void vertical_compose_daub97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b1[i] = COMPOSE_DAUB97iL0(b0[i], b1[i], b2[i]);
- }
-}
-
-static void vertical_compose_daub97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
-{
- int i;
-
- for(i=0; i<width; i++){
- b1[i] = COMPOSE_DAUB97iL1(b0[i], b1[i], b2[i]);
- }
-}
-
-
-static void spatial_compose_dd97i_dy(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
- vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
- DWTCompose *cs = d->cs + level;
-
- int i, y = cs->y;
- IDWTELEM *b[8];
- for (i = 0; i < 6; i++)
- b[i] = cs->b[i];
- b[6] = d->buffer + av_clip(y+5, 0, height-2)*stride;
- b[7] = d->buffer + av_clip(y+6, 1, height-1)*stride;
-
- if(y+5<(unsigned)height) vertical_compose_l0( b[5], b[6], b[7], width);
- if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
-
- if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
- if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
-
- for (i = 0; i < 6; i++)
- cs->b[i] = b[i+2];
- cs->y += 2;
-}
-
-static void spatial_compose_dirac53i_dy(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
- vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
- DWTCompose *cs = d->cs + level;
-
- int y= cs->y;
- IDWTELEM *b[4] = { cs->b[0], cs->b[1] };
- b[2] = d->buffer + mirror(y+1, height-1)*stride;
- b[3] = d->buffer + mirror(y+2, height-1)*stride;
-
- if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
- if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
-
- if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
- if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
-
- cs->b[0] = b[2];
- cs->b[1] = b[3];
- cs->y += 2;
-}
-
-
-static void spatial_compose_dd137i_dy(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_5tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
- vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
- DWTCompose *cs = d->cs + level;
-
- int i, y = cs->y;
- IDWTELEM *b[10];
- for (i = 0; i < 8; i++)
- b[i] = cs->b[i];
- b[8] = d->buffer + av_clip(y+7, 0, height-2)*stride;
- b[9] = d->buffer + av_clip(y+8, 1, height-1)*stride;
-
- if(y+5<(unsigned)height) vertical_compose_l0(b[3], b[5], b[6], b[7], b[9], width);
- if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
-
- if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
- if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
-
- for (i = 0; i < 8; i++)
- cs->b[i] = b[i+2];
- cs->y += 2;
-}
-
-// haar makes the assumption that height is even (always true for dirac)
-static void spatial_compose_haari_dy(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_2tap vertical_compose = (void*)d->vertical_compose;
- int y = d->cs[level].y;
- IDWTELEM *b0 = d->buffer + (y-1)*stride;
- IDWTELEM *b1 = d->buffer + (y )*stride;
-
- vertical_compose(b0, b1, width);
- d->horizontal_compose(b0, d->temp, width);
- d->horizontal_compose(b1, d->temp, width);
-
- d->cs[level].y += 2;
-}
-
-// Don't do sliced idwt for fidelity; the 9 tap filter makes it a bit annoying
-// Fortunately, this filter isn't used in practice.
-static void spatial_compose_fidelity(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_9tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
- vertical_compose_9tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
- int i, y;
- IDWTELEM *b[8];
-
- for (y = 1; y < height; y += 2) {
- for (i = 0; i < 8; i++)
- b[i] = d->buffer + av_clip((y-7 + 2*i), 0, height-2)*stride;
- vertical_compose_h0(d->buffer + y*stride, b, width);
- }
-
- for (y = 0; y < height; y += 2) {
- for (i = 0; i < 8; i++)
- b[i] = d->buffer + av_clip((y-7 + 2*i), 1, height-1)*stride;
- vertical_compose_l0(d->buffer + y*stride, b, width);
- }
-
- for (y = 0; y < height; y++)
- d->horizontal_compose(d->buffer + y*stride, d->temp, width);
-
- d->cs[level].y = height+1;
-}
-
-static void spatial_compose_daub97i_dy(DWTContext *d, int level, int width, int height, int stride)
-{
- vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
- vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
- vertical_compose_3tap vertical_compose_l1 = (void*)d->vertical_compose_l1;
- vertical_compose_3tap vertical_compose_h1 = (void*)d->vertical_compose_h1;
- DWTCompose *cs = d->cs + level;
-
- int i, y = cs->y;
- IDWTELEM *b[6];
- for (i = 0; i < 4; i++)
- b[i] = cs->b[i];
- b[4] = d->buffer + mirror(y+3, height-1)*stride;
- b[5] = d->buffer + mirror(y+4, height-1)*stride;
-
- if(y+3<(unsigned)height) vertical_compose_l1(b[3], b[4], b[5], width);
- if(y+2<(unsigned)height) vertical_compose_h1(b[2], b[3], b[4], width);
- if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
- if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
-
- if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
- if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
-
- for (i = 0; i < 4; i++)
- cs->b[i] = b[i+2];
- cs->y += 2;
-}
-
-
-static void spatial_compose97i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
-{
- cs->b[0] = buffer + mirror(-3-1, height-1)*stride;
- cs->b[1] = buffer + mirror(-3 , height-1)*stride;
- cs->b[2] = buffer + mirror(-3+1, height-1)*stride;
- cs->b[3] = buffer + mirror(-3+2, height-1)*stride;
- cs->y = -3;
-}
-
-static void spatial_compose53i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
-{
- cs->b[0] = buffer + mirror(-1-1, height-1)*stride;
- cs->b[1] = buffer + mirror(-1 , height-1)*stride;
- cs->y = -1;
-}
-
-static void spatial_compose_dd97i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
-{
- cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
- cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride;
- cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
- cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
- cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
- cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
- cs->y = -5;
-}
-
-static void spatial_compose_dd137i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
-{
- cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
- cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride;
- cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
- cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
- cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
- cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
- cs->b[6] = buffer + av_clip(-5+5, 0, height-2)*stride;
- cs->b[7] = buffer + av_clip(-5+6, 1, height-1)*stride;
- cs->y = -5;
-}
-
-int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height,
- int stride, enum dwt_type type, int decomposition_count,
- IDWTELEM *temp)
-{
- int level;
-
- d->buffer = buffer;
- d->width = width;
- d->height = height;
- d->stride = stride;
- d->decomposition_count = decomposition_count;
- d->temp = temp + 8;
-
- for(level=decomposition_count-1; level>=0; level--){
- int hl = height >> level;
- int stride_l = stride << level;
-
- switch(type){
- case DWT_DIRAC_DD9_7:
- spatial_compose_dd97i_init(d->cs+level, buffer, hl, stride_l);
- break;
- case DWT_DIRAC_LEGALL5_3:
- spatial_compose53i_init2(d->cs+level, buffer, hl, stride_l);
- break;
- case DWT_DIRAC_DD13_7:
- spatial_compose_dd137i_init(d->cs+level, buffer, hl, stride_l);
- break;
- case DWT_DIRAC_HAAR0:
- case DWT_DIRAC_HAAR1:
- d->cs[level].y = 1;
- break;
- case DWT_DIRAC_DAUB9_7:
- spatial_compose97i_init2(d->cs+level, buffer, hl, stride_l);
- break;
- default:
- d->cs[level].y = 0;
- break;
- }
- }
-
- switch (type) {
- case DWT_DIRAC_DD9_7:
- d->spatial_compose = spatial_compose_dd97i_dy;
- d->vertical_compose_l0 = (void*)vertical_compose53iL0;
- d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0;
- d->horizontal_compose = horizontal_compose_dd97i;
- d->support = 7;
- break;
- case DWT_DIRAC_LEGALL5_3:
- d->spatial_compose = spatial_compose_dirac53i_dy;
- d->vertical_compose_l0 = (void*)vertical_compose53iL0;
- d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0;
- d->horizontal_compose = horizontal_compose_dirac53i;
- d->support = 3;
- break;
- case DWT_DIRAC_DD13_7:
- d->spatial_compose = spatial_compose_dd137i_dy;
- d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0;
- d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0;
- d->horizontal_compose = horizontal_compose_dd137i;
- d->support = 7;
- break;
- case DWT_DIRAC_HAAR0:
- case DWT_DIRAC_HAAR1:
- d->spatial_compose = spatial_compose_haari_dy;
- d->vertical_compose = (void*)vertical_compose_haar;
- if (type == DWT_DIRAC_HAAR0)
- d->horizontal_compose = horizontal_compose_haar0i;
- else
- d->horizontal_compose = horizontal_compose_haar1i;
- d->support = 1;
- break;
- case DWT_DIRAC_FIDELITY:
- d->spatial_compose = spatial_compose_fidelity;
- d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0;
- d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0;
- d->horizontal_compose = horizontal_compose_fidelityi;
- break;
- case DWT_DIRAC_DAUB9_7:
- d->spatial_compose = spatial_compose_daub97i_dy;
- d->vertical_compose_l0 = (void*)vertical_compose_daub97iL0;
- d->vertical_compose_h0 = (void*)vertical_compose_daub97iH0;
- d->vertical_compose_l1 = (void*)vertical_compose_daub97iL1;
- d->vertical_compose_h1 = (void*)vertical_compose_daub97iH1;
- d->horizontal_compose = horizontal_compose_daub97i;
- d->support = 5;
- break;
- default:
- av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type);
- return -1;
- }
-
- if (HAVE_MMX) ff_spatial_idwt_init_mmx(d, type);
-
- return 0;
-}
-
-void ff_spatial_idwt_slice2(DWTContext *d, int y)
-{
- int level, support = d->support;
-
- for (level = d->decomposition_count-1; level >= 0; level--) {
- int wl = d->width >> level;
- int hl = d->height >> level;
- int stride_l = d->stride << level;
-
- while (d->cs[level].y <= FFMIN((y>>level)+support, hl))
- d->spatial_compose(d, level, wl, hl, stride_l);
- }
-}
-
-int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride,
- enum dwt_type type, int decomposition_count, IDWTELEM *temp)
-{
- DWTContext d;
- int y;
-
- if (ff_spatial_idwt_init2(&d, buffer, width, height, stride, type, decomposition_count, temp))
- return -1;
-
- for (y = 0; y < d.height; y += 4)
- ff_spatial_idwt_slice2(&d, y);
-
- return 0;
-}
diff --git a/libavcodec/dwt.h b/libavcodec/snow_dwt.h
similarity index 58%
rename from libavcodec/dwt.h
rename to libavcodec/snow_dwt.h
index d82e510..0806b38 100644
--- a/libavcodec/dwt.h
+++ b/libavcodec/snow_dwt.h
@@ -18,20 +18,17 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef AVCODEC_DWT_H
-#define AVCODEC_DWT_H
+#ifndef AVCODEC_SNOW_DWT_H
+#define AVCODEC_SNOW_DWT_H
#include <stdint.h>
typedef int DWTELEM;
typedef short IDWTELEM;
-#define MAX_DWT_SUPPORT 8
#define MAX_DECOMPOSITIONS 8
typedef struct DWTCompose {
- IDWTELEM *b[MAX_DWT_SUPPORT];
-
IDWTELEM *b0;
IDWTELEM *b1;
IDWTELEM *b2;
@@ -51,31 +48,9 @@ typedef struct slice_buffer_s {
IDWTELEM *base_buffer; ///< Buffer that this structure is caching.
} slice_buffer;
-struct DWTContext;
-
-// Possible prototypes for vertical_compose functions
-typedef void (*vertical_compose_2tap)(IDWTELEM *b0, IDWTELEM *b1, int width);
-typedef void (*vertical_compose_3tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width);
-typedef void (*vertical_compose_5tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width);
-typedef void (*vertical_compose_9tap)(IDWTELEM *dst, IDWTELEM *b[8], int width);
-
-typedef struct DWTContext {
- IDWTELEM *buffer;
- IDWTELEM *temp;
- int width;
- int height;
- int stride;
- int decomposition_count;
- int support;
-
- void (*spatial_compose)(struct DWTContext *cs, int level, int width, int height, int stride);
- void (*vertical_compose_l0)(void);
- void (*vertical_compose_h0)(void);
- void (*vertical_compose_l1)(void);
- void (*vertical_compose_h1)(void);
- void (*vertical_compose)(void); ///< one set of lowpass and highpass combined
- void (*horizontal_compose)(IDWTELEM *b, IDWTELEM *tmp, int width);
+struct SnowDWTContext;
+typedef struct SnowDWTContext {
void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5,
int width);
@@ -84,70 +59,7 @@ typedef struct DWTContext {
uint8_t **block, int b_w, int b_h, int src_x,
int src_y, int src_stride, slice_buffer *sb,
int add, uint8_t *dst8);
-
- DWTCompose cs[MAX_DECOMPOSITIONS];
-} DWTContext;
-
-enum dwt_type {
- DWT_SNOW_DAUB9_7,
- DWT_SNOW_LEGALL5_3,
- DWT_DIRAC_DD9_7,
- DWT_DIRAC_LEGALL5_3,
- DWT_DIRAC_DD13_7,
- DWT_DIRAC_HAAR0,
- DWT_DIRAC_HAAR1,
- DWT_DIRAC_FIDELITY,
- DWT_DIRAC_DAUB9_7,
- DWT_NUM_TYPES
-};
-
-// -1 if an error occurred, e.g. the dwt_type isn't recognized
-int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height,
- int stride, enum dwt_type type, int decomposition_count,
- IDWTELEM *temp);
-
-int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride,
- enum dwt_type type, int decomposition_count, IDWTELEM *temp);
-
-void ff_spatial_idwt_slice2(DWTContext *d, int y);
-
-// shared stuff for simd optimiztions
-#define COMPOSE_53iL0(b0, b1, b2)\
- (b1 - ((b0 + b2 + 2) >> 2))
-
-#define COMPOSE_DIRAC53iH0(b0, b1, b2)\
- (b1 + ((b0 + b2 + 1) >> 1))
-
-#define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)\
- (b2 + ((-b0 + 9*b1 + 9*b3 - b4 + 8) >> 4))
-
-#define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\
- (b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5))
-
-#define COMPOSE_HAARiL0(b0, b1)\
- (b0 - ((b1 + 1) >> 1))
-
-#define COMPOSE_HAARiH0(b0, b1)\
- (b0 + b1)
-
-#define COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
- (b4 - ((-8*(b0+b8) + 21*(b1+b7) - 46*(b2+b6) + 161*(b3+b5) + 128) >> 8))
-
-#define COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
- (b4 + ((-2*(b0+b8) + 10*(b1+b7) - 25*(b2+b6) + 81*(b3+b5) + 128) >> 8))
-
-#define COMPOSE_DAUB97iL1(b0, b1, b2)\
- (b1 - ((1817*(b0 + b2) + 2048) >> 12))
-
-#define COMPOSE_DAUB97iH1(b0, b1, b2)\
- (b1 - (( 113*(b0 + b2) + 64) >> 7))
-
-#define COMPOSE_DAUB97iL0(b0, b1, b2)\
- (b1 + (( 217*(b0 + b2) + 2048) >> 12))
-
-#define COMPOSE_DAUB97iH0(b0, b1, b2)\
- (b1 + ((6497*(b0 + b2) + 2048) >> 12))
-
+} SnowDWTContext;
#define DWT_97 0
@@ -202,14 +114,14 @@ void ff_spatial_dwt(int *buffer, int *temp, int width, int height, int stride,
void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer *sb, int width,
int height, int stride_line, int type,
int decomposition_count);
-void ff_spatial_idwt_buffered_slice(DWTContext *dsp, DWTCompose *cs,
+void ff_spatial_idwt_buffered_slice(SnowDWTContext *dsp, DWTCompose *cs,
slice_buffer *slice_buf, IDWTELEM *temp,
int width, int height, int stride_line,
int type, int decomposition_count, int y);
void ff_spatial_idwt(IDWTELEM *buffer, IDWTELEM *temp, int width, int height,
int stride, int type, int decomposition_count);
-void ff_dwt_init(DWTContext *c);
-void ff_dwt_init_x86(DWTContext *c);
+void ff_dwt_init(SnowDWTContext *c);
+void ff_dwt_init_x86(SnowDWTContext *c);
#endif /* AVCODEC_DWT_H */
diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c
index c4baf0a..e211506 100644
--- a/libavcodec/snowdec.c
+++ b/libavcodec/snowdec.c
@@ -23,7 +23,7 @@
#include "libavutil/opt.h"
#include "avcodec.h"
#include "dsputil.h"
-#include "dwt.h"
+#include "snow_dwt.h"
#include "internal.h"
#include "snow.h"
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index de2c859..a062ac5 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -25,7 +25,7 @@
#include "internal.h"
#include "dsputil.h"
#include "internal.h"
-#include "dwt.h"
+#include "snow_dwt.h"
#include "snow.h"
#include "rangecoder.h"
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 34254e4..6f10d06 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -35,17 +35,17 @@ MMX-OBJS += x86/dsputil_mmx.o \
x86/idct_sse2_xvid.o \
x86/simple_idct.o \
-MMX-OBJS-$(CONFIG_DWT) += x86/snowdsp.o \
- x86/dwt.o
MMX-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o \
x86/motion_est.o
+MMX-OBJS-$(CONFIG_SNOW_DECODER) += x86/snowdsp.o
+MMX-OBJS-$(CONFIG_SNOW_ENCODER) += x86/snowdsp.o
MMX-OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_mmx.o
YASM-OBJS-$(CONFIG_AAC_DECODER) += x86/sbrdsp.o
YASM-OBJS-$(CONFIG_AC3DSP) += x86/ac3dsp.o
YASM-OBJS-$(CONFIG_DCT) += x86/dct32.o
-YASM-OBJS-$(CONFIG_DIRAC_DECODER) += x86/diracdsp_mmx.o x86/diracdsp_yasm.o
-YASM-OBJS-$(CONFIG_DWT) += x86/dwt_yasm.o
+YASM-OBJS-$(CONFIG_DIRAC_DECODER) += x86/diracdsp_mmx.o x86/diracdsp_yasm.o\
+ x86/dwt_yasm.o x86/dirac_dwt.o
YASM-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc.o
YASM-OBJS-$(CONFIG_FFT) += x86/fft.o
YASM-OBJS-$(CONFIG_H264CHROMA) += x86/h264_chromamc.o \
diff --git a/libavcodec/x86/dwt.c b/libavcodec/x86/dirac_dwt.c
similarity index 99%
rename from libavcodec/x86/dwt.c
rename to libavcodec/x86/dirac_dwt.c
index e718c80..fbb25a4 100644
--- a/libavcodec/x86/dwt.c
+++ b/libavcodec/x86/dirac_dwt.c
@@ -22,7 +22,7 @@
#include "libavutil/x86/asm.h"
#include "dsputil_mmx.h"
-#include "dwt.h"
+#include "dirac_dwt.h"
#define COMPOSE_VERTICAL(ext, align) \
void ff_vertical_compose53iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); \
diff --git a/libavcodec/x86/dwt.h b/libavcodec/x86/dirac_dwt.h
similarity index 91%
rename from libavcodec/x86/dwt.h
rename to libavcodec/x86/dirac_dwt.h
index 199f611..126b290 100644
--- a/libavcodec/x86/dwt.h
+++ b/libavcodec/x86/dirac_dwt.h
@@ -16,10 +16,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef AVCODEC_X86_DWT_H
-#define AVCODEC_X86_DWT_H
+#ifndef AVCODEC_X86_DIRAC_DWT_H
+#define AVCODEC_X86_DIRAC_DWT_H
-#include "libavcodec/dwt.h"
+#include "libavcodec/dirac_dwt.h"
void ff_horizontal_compose_dd97i_end_c(IDWTELEM *b, IDWTELEM *tmp, int w2, int x);
void ff_horizontal_compose_haar1i_end_c(IDWTELEM *b, IDWTELEM *tmp, int w2, int x);
diff --git a/libavcodec/x86/snowdsp.c b/libavcodec/x86/snowdsp.c
index 631291a..5505ee8 100644
--- a/libavcodec/x86/snowdsp.c
+++ b/libavcodec/x86/snowdsp.c
@@ -23,7 +23,7 @@
#include "libavutil/x86/asm.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/snow.h"
-#include "libavcodec/dwt.h"
+#include "libavcodec/snow_dwt.h"
#include "dsputil_mmx.h"
#if HAVE_INLINE_ASM
@@ -875,7 +875,7 @@ static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_str
#endif /* HAVE_INLINE_ASM */
-void ff_dwt_init_x86(DWTContext *c)
+void ff_dwt_init_x86(SnowDWTContext *c)
{
#if HAVE_INLINE_ASM
int mm_flags = av_get_cpu_flags();
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