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-rw-r--r--system/image/Makefile21
-rw-r--r--system/image/pdp_imageproc_common.c596
-rw-r--r--system/image/pdp_imageproc_mmx.c590
-rw-r--r--system/image/pdp_imageproc_portable.c679
-rw-r--r--system/image/pdp_llconv.c596
-rw-r--r--system/image/pdp_llconv_mmx.c55
-rw-r--r--system/image/pdp_llconv_portable.c82
-rw-r--r--system/image/pdp_resample.c204
8 files changed, 0 insertions, 2823 deletions
diff --git a/system/image/Makefile b/system/image/Makefile
deleted file mode 100644
index f9ed52c..0000000
--- a/system/image/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-include ../../Makefile.config
-
-all: $(PDP_TARGET)
-
-OBJECTS = pdp_llconv.o pdp_resample.o pdp_imageproc_common.o
-
-OBJECTS_MMX = pdp_imageproc_mmx.o pdp_llconv_mmx.o
-OBJECTS_PORTABLE = pdp_imageproc_portable.o pdp_llconv_portable.o
-
-
-
-
-linux_mmx: $(OBJECTS_MMX) $(OBJECTS)
-
-linux: $(OBJECTS_PORTABLE) $(OBJECTS)
-
-darwin: $(OBJECTS_PORTABLE) $(OBJECTS)
-
-clean:
- rm -f *~
- rm -f *.o
diff --git a/system/image/pdp_imageproc_common.c b/system/image/pdp_imageproc_common.c
deleted file mode 100644
index bc34b79..0000000
--- a/system/image/pdp_imageproc_common.c
+++ /dev/null
@@ -1,596 +0,0 @@
-/*
- * Pure Data Packet. common image processing routines.
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-/*
- This file contains common code for (portable) low level image processing objects
- pdp_imageproc_* methods
- The rest is int pdp_imageproc_<platform>.c
-
- There are also highlevel dispatcher methods that operate on packets:
- pdp_imageproc_dispatch_* methods
-
-*/
-
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include "pdp.h"
-
-#define CLAMP16(x) (((x) > 0x7fff) ? 0x7fff : (((x) < -0x7fff) ? -0x7fff : (x)))
-
-u32 pdp_imageproc_legalwidth(int i)
-{
- if (i>1024) return 1024;
- if (i>0) return ((((i-1)>>3)+1)<<3);
- return 8;
-
-}
-
-u32 pdp_imageproc_legalheight(int i)
-{
- if (i>1024) return 1024;
- if (i>0) return ((((i-1)>>3)+1)<<3);
- return 8;
-}
-u32 pdp_imageproc_legalwidth_round_down(int i)
-{
- if (i>1024) return 1024;
- if (i>8) return ((i>>3)<<3);
- return 8;
-
-}
-
-u32 pdp_imageproc_legalheight_round_down(int i)
-{
- if (i>1024) return 1024;
- if (i>8) return ((i>>3)<<3);
- return 8;
-}
-
-
-
-/* some operations */
-
-/* logic operators */
-
-void pdp_imageproc_xor_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- u32 *plane = (u32 *)image;
- u32 *plane2 = (u32 *)image2;
- int count = (width * height) >> 1;
- int i;
-
- for (i=0; i<count; i++){
- plane[i] ^= plane2[i];
- }
-}
-
-void pdp_imageproc_and_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- u32 *plane = (u32 *)image;
- u32 *plane2 = (u32 *)image2;
- int count = (width * height) >> 1;
- int i;
-
- for (i=0; i<count; i++){
- plane[i] &= plane2[i];
- }
-}
-
-void pdp_imageproc_or_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- u32 *plane = (u32 *)image;
- u32 *plane2 = (u32 *)image2;
- int count = (width * height) >> 1;
- int i;
-
- for (i=0; i<count; i++){
- plane[i] |= plane2[i];
- }
-}
-
-void pdp_imageproc_not_process(void *x, u32 width, u32 height, s16 *image)
-{
- u32 *plane = (u32 *)image;
- int count = (width * height) >> 1;
- int i;
-
- for (i=0; i<count; i++){
- plane[i] ^= 0xffffffff;
- }
-}
-
-void pdp_imageproc_mask_process(void *x, u32 width, u32 height, s16 *image)
-{
- u32 mask = (u32)x;
- u32 *plane = (u32 *)image;
- int count = (width * height) >> 1;
- int i;
-
- mask = (mask & 0xffff) | (mask << 16);
-
- for (i=0; i<count; i++){
- plane[i] &= mask;
- }
-}
-
-// produce a plasma image
-// note: random number generator can be platform specific
-// however, it should be seeded. (same seed produces the same result)
-
-typedef struct
-{
- u32 seed;
- s32 scale;
-} t_plasma;
-
-static inline s16 _rand_s16(void)
-{
- return (s16)(random()<<0);
-}
-
-static inline s16 _new_color(s32 one, s32 two, s32 scale)
-{
- return CLAMP16((one >> 1) + (two >> 1) + ((scale * _rand_s16()) >> 16));
- //return (one >> 1) + (two >> 1);
-}
-
-void *pdp_imageproc_plasma_new(void){return pdp_alloc(sizeof(t_plasma));}
-void pdp_imageproc_plasma_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_plasma_setseed(void *x, float seed)
-{
- *((float *)x) = seed;
-}
-void pdp_imageproc_plasma_setturbulence(void *x, float f)
-{
- ((t_plasma *)x)->scale = CLAMP16(f * ((float)0x7fff));
-}
-
-static void _plasma_subdiv(u32 w, u32 h, u32 s, s16 *image, int calc_left, int calc_top, s32 scale)
-{
- int w0 = ((w-1)>>1); // width of left segments
- int h0 = ((h-1)>>1); // heigth of top segments
- int w1 = w - w0;
- int h1 = h - h0;
-
- /* conditions: w0 <= w1, h0 <= h1 */
-
- /* original coordinates */
- int topleft = 0;
- int topright = w-1;
- int bottomleft = s * (h-1);
- int bottomright = bottomleft + topright;
-
- /* new subdivision coordinates */
- int top = w0;
- int left = s * h0;
- int bottom = bottomleft + w0;
- int right = topright + left;
- int center = left + top;
-
- if (w0 && h0){ /* left-right and top-bottom subdivide */
-
- /* calculate corner pixel colours */
- if (calc_top) image[top] = _new_color(image[topleft], image[topright], scale);
- if (calc_left) image[left] = _new_color(image[topleft], image[bottomleft], scale);
- image[right] = _new_color(image[topright], image[bottomright], scale);
- image[bottom] = _new_color(image[bottomleft], image[bottomright], scale);
- image[center] = (_new_color(image[top], image[bottom], scale) >> 1)
- +(_new_color(image[left], image[right], scale) >> 1);
-
-
- /* subdivide (with overlap) */
- _plasma_subdiv(w0+1, h0+1, s, &image[topleft], 1, 1, scale);
- _plasma_subdiv(w1, h0+1, s, &image[top], 0, 1, scale);
- _plasma_subdiv(w0+1, h1, s, &image[left], 1, 0, scale);
- _plasma_subdiv(w1, h1, s, &image[center], 0, 0, scale);
-
- }
-
-
- else if(h0) { /* top-bottom subdivide */
-
- //post("h:%d", h);
-
- /* calculate corner pixel colours */
- if(calc_left) image[left] = _new_color(image[topleft], image[bottomleft], scale);
- image[right] = _new_color(image[topright], image[bottomright], scale);
-
- /* subdivide (without overlap) */
- _plasma_subdiv(w, h0+1, s, &image[topleft], 1, 0, scale);
- _plasma_subdiv(w, h1, s, &image[left], 1, 0, scale);
-
- }
-
- else if (w0){ /* left-right subdivide */
-
- /* calculate corner pixel colours */
- if (calc_top) image[top] = _new_color(image[topleft], image[topright], scale);
- image[bottom] = _new_color(image[bottomleft], image[bottomright],scale);
-
- /* subdivide with overlap */
- _plasma_subdiv(w0+1, h, s, &image[topleft], 0, 1, scale);
- _plasma_subdiv(w1, h, s, &image[top], 0, 1, scale);
-
- }
-
-}
-
-void pdp_imageproc_plasma_process(void *x, u32 width, u32 height, s16 *image)
-{
- s32 scale = (((t_plasma *)x)->scale);
- srandom (((t_plasma *)x)->seed);
-
- /* set initial border colours */
- image[0] = _rand_s16();
- image[width-1] = _rand_s16();
- image[width * (height-1)] = _rand_s16();
- image[width * height - 1] = _rand_s16();
-
- /* subdivide */
- _plasma_subdiv(width, height, width, image, 1, 1, scale);
-
- ((t_plasma *)x)->seed = random();
-
-}
-
-
-
-void pdp_imageproc_zero_process(void *x, u32 width, u32 height, s16 *image)
-{
- int bytesize = (width * height) << 1;
- memset(image, 0, bytesize);
-}
-
-void pdp_imageproc_constant_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- u32 value = (u32)x;
- u32 *plane = (u32 *)image;
- int wordsize = (width * height) >> 1;
- value = (value & 0xffff) | (value << 16);
- for (i=0; i<wordsize; i++){
- plane[i] = value;
- }
-}
-
-
-/* other stateless operators */
-
-/* some 2x16bit vector ops */
-
-/* some bit shuffling to ensure 32 bit accesses
- get the sign bit extended as a mask: - : 0xffff +: 0x0000 */
-static inline u32 _sign(s32 invec)
-{
- s32 mask_top = invec;
- s32 mask_bot = invec;
-
- mask_top &= 0x80000000; /* isolate top sign bit */
- mask_bot <<= 16; /* shift bottom word to top word */
- mask_bot &= 0x80000000; /* isolate bottom sign bit */
- mask_top >>= 15; /* shift sign bit into top word */
- mask_bot >>= 15;
- ((u32)mask_bot) >>=16; /* shift top word into bottom word */
- return mask_top |mask_bot;
-}
-
-/* clear the least significant bit of the top word
- to ensure a decoupled vector add */
-static inline void _decouple(s32 *invec)
-{
- *invec &= 0xfffeffff;
-}
-
-void pdp_imageproc_abs_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- for (i=0; i<wsize; i++){
- /* this computes c = (c >= 0) ? (c) : (~c) */
- /* not is used instead of neg to prevent overflow on 0x8000 */
- /* this maps both 0 and -1 to 0 */
-
- wimage[i] ^= _sign(wimage[i]);
-
- }
-}
-
-void pdp_imageproc_zthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- for (i=0; i<wsize; i++){
- /* this computes c = (c >= 0) ? (c) : (0) */
- wimage[i] &= ~_sign(wimage[i]);
- }
-}
-
-/* hard thresholding: x contains a positive unsigned short int */
-void pdp_imageproc_hardthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 thresh = (s32)x;
- s32 sign1, isign2, a;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- thresh |= (thresh << 16);
- for (i=0; i<wsize; i++){
- a = wimage[i];
- sign1 = _sign(a);
- a ^= sign1; /* take abs */
- _decouple(&a);
- a -= thresh; /* subtract threshold */
- isign2 = ~ _sign(a);
- a &= isign2; /* zero thresh */
- _decouple(&a);
- a += thresh & isign2; /* add threshold (if not zero thresholded)*/
- a ^= sign1;
- wimage[i] = a;
- }
-}
-
-/* soft thresholding: x contains a positive unsigned short int */
-void pdp_imageproc_softthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 thresh = (s32)x;
- s32 sign1, sign2, a;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- thresh |= thresh << 16;
- for (i=0; i<wsize; i++){
- a = wimage[i];
- sign1 = _sign(a);
- a ^= sign1; /* take abs */
- _decouple(&a);
- a -= thresh; /* subtract threshold */
- sign2 = _sign(a);
- a &= ~ sign2; /* zero thresh */
- _decouple(&a);
- //a += thresh; /* add threshold */
- a ^= sign1;
- wimage[i] = a;
-
- }
-
-}
-
-
-/* turns an image into a positive andmask */
-void pdp_imageproc_ispositive_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- for (i=0; i<wsize; i++){
- wimage[i] = ~_sign(wimage[i]);
- }
-
-}
-
-/* get sign */
-void pdp_imageproc_sign_process(void *x, u32 width, u32 height, s16 *image)
-{
- int i;
- s32 *wimage = (s32 *)image;
- int wsize = (width * height) >> 1;
- for (i=0; i<wsize; i++){
- wimage[i] = _sign(wimage[i]) ^ 0x7fff7fff;
- }
-
-}
-
-/* flip left <-> right */
-void pdp_imageproc_flip_lr_process(void *dummy, u32 width, u32 height, s16 *image)
-{
- u32 y;
- s16 tmp, *l, *r;
- for (y=0; y<height; y++){
- l = image;
- r = image + width - 1;
- while (l < r){
- tmp = *l;
- *l = *r;
- *r = tmp;
- l++;
- r--;
- }
- image += width;
- }
-
-}
-
-void pdp_llconv_flip_top_bottom(s16 *data, int width, int height, int pixelsize);
-
-void pdp_imageproc_flip_tb_process(void *dummy, u32 width, u32 height, s16 *image)
-{
- pdp_llconv_flip_top_bottom(image, width, height, 2);
-}
-
-
-/* image processing dispatcher methods */
-/* if the first packet contains a nonzero channel mask, it will be used instead
- of the one supplied as argument to the dispatcher functions.
- the packet's channel mask will be reset to 0 */
-
-void pdp_imageproc_dispatch_1buf(void (*process_routine)(void*, u32, u32, s16*), void *x, u32 chanmask, int packet0)
-{
- t_pdp *header0;
- t_image *image0;
- s16 *idata0;
- unsigned int w,h,d,plane_size,mask;
-
- /* if packet is not a valid image return without doing anything */
- if (!(pdp_packet_image_isvalid(packet0))) return;
-
- header0 = pdp_packet_header(packet0);
- image0 = pdp_packet_image_info(packet0);
- idata0 = pdp_packet_data (packet0);
-
- w = image0->width;
- h = image0->height;
- d = image0->depth;
- plane_size = w*h;
-
- if (image0->chanmask) chanmask = image0->chanmask;
- image0->chanmask = 0;
-
-
- switch(image0->encoding){
- case PDP_IMAGE_GREY:
- if (chanmask & 1) (*process_routine)(x, w, h, idata0);
- break;
- case PDP_IMAGE_YV12:
- if (chanmask & 1) (*process_routine)(x, w, h, idata0);
- idata0 += plane_size;
- plane_size >>= 2;
- w >>= 1;
- h >>= 1;
- if (chanmask & 2) (*process_routine)(x, w, h, idata0);
- idata0 += plane_size;
- if (chanmask & 4) (*process_routine)(x, w, h, idata0);
- break;
- case PDP_IMAGE_MCHP:
- mask = 1;
- while (d--){
- if (chanmask & mask) (*process_routine)(x, w, h, idata0);
- idata0 += plane_size;
- mask <<= 1;
- }
- break;
- default:
- break;
- }
-}
-
-
-void pdp_imageproc_dispatch_2buf(void (*process_routine)(void*, u32, u32, s16*, s16 *), void *x, u32 chanmask, int packet0, int packet1)
-{
- t_pdp *header0;
- t_image *image0;
- s16 *idata0, *idata1;
- unsigned int w,h,d,plane_size,mask;
-
- /* if packets are not compatible images, return without doing anything */
- if (!(pdp_packet_image_compat(packet0, packet1))) return;
-
- header0 = pdp_packet_header(packet0);
- image0 = pdp_packet_image_info(packet0);
- idata0 = pdp_packet_data (packet0);
- idata1 = pdp_packet_data (packet1);
-
- w = image0->width;
- h = image0->height;
- d = image0->depth;
- plane_size = w*h;
-
- if (image0->chanmask) chanmask = image0->chanmask;
- image0->chanmask = 0;
-
- switch(image0->encoding){
- case PDP_IMAGE_GREY:
- if (chanmask & 1) (*process_routine)(x, w, h, idata0, idata1);
- break;
- case PDP_IMAGE_YV12:
- if (chanmask & 1) (*process_routine)(x, w, h, idata0, idata1);
- idata0 += plane_size;
- idata1 += plane_size;
- plane_size >>= 2;
- w >>= 1;
- h >>= 1;
- if (chanmask & 2) (*process_routine)(x, w, h, idata0, idata1);
- idata0 += plane_size;
- idata1 += plane_size;
- if (chanmask & 4) (*process_routine)(x, w, h, idata0, idata1);
- break;
- case PDP_IMAGE_MCHP:
- mask = 1;
- while (d--){
- if (chanmask & mask) (*process_routine)(x, w, h, idata0, idata1);
- idata0 += plane_size;
- idata1 += plane_size;
- mask <<= 1;
- }
- break;
- default:
- break;
- }
-}
-void pdp_imageproc_dispatch_3buf(void (*process_routine)(void*, u32, u32, s16*, s16 *, s16 *), void *x, u32 chanmask, int packet0, int packet1, int packet2)
-{
- t_pdp *header0;
- t_image *image0;
- s16 *idata0, *idata1, *idata2;
- unsigned int w,h,d,plane_size, mask;
-
- /* if packets are not compatible images, return without doing anything */
- if (!((pdp_packet_image_compat(packet0, packet1))
- &&(pdp_packet_image_compat(packet0, packet1)))) return;
-
- header0 = pdp_packet_header(packet0);
- image0 = pdp_packet_image_info(packet0);
- idata0 = pdp_packet_data (packet0);
- idata1 = pdp_packet_data (packet1);
- idata2 = pdp_packet_data (packet2);
-
- w = image0->width;
- h = image0->height;
- d = image0->depth;
- plane_size = w*h;
-
- if (image0->chanmask) chanmask = image0->chanmask;
- image0->chanmask = 0;
-
- switch(image0->encoding){
- case PDP_IMAGE_GREY:
- if (chanmask & 1)(*process_routine)(x, w, h, idata0, idata1, idata2);
- break;
- case PDP_IMAGE_YV12:
- if (chanmask & 1)(*process_routine)(x, w, h, idata0, idata1, idata2);
- idata0 += plane_size;
- idata1 += plane_size;
- idata2 += plane_size;
- plane_size >>= 2;
- w >>= 1;
- h >>= 1;
- if (chanmask & 2)(*process_routine)(x, w, h, idata0, idata1, idata2);
- idata0 += plane_size;
- idata1 += plane_size;
- idata2 += plane_size;
- if (chanmask & 4)(*process_routine)(x, w, h, idata0, idata1, idata2);
- break;
- case PDP_IMAGE_MCHP:
- mask = 1;
- while (d--){
- if (chanmask & mask) (*process_routine)(x, w, h, idata0, idata1, idata2);
- idata0 += plane_size;
- idata1 += plane_size;
- idata2 += plane_size;
- mask <<= 1;
- }
- break;
- default:
- break;
- }
-}
diff --git a/system/image/pdp_imageproc_mmx.c b/system/image/pdp_imageproc_mmx.c
deleted file mode 100644
index b518aa2..0000000
--- a/system/image/pdp_imageproc_mmx.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*
- * Pure Data Packet. c wrapper for mmx image processing routines.
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-/* this is a c wrapper around platform specific (mmx) code */
-#include <stdlib.h>
-#include <math.h>
-#include "pdp_mmx.h"
-#include "pdp_imageproc.h"
-#include "m_pd.h"
-
-/* pdp memory alloc/dealloc prototype */
-void *pdp_alloc(int size);
-void pdp_dealloc(void *);
-
-// utility stuff
-inline static s16 float2fixed(float f)
-{
- if (f > 1) f = 1;
- if (f < -1) f = -1;
- f *= 0x7fff;
- return (s16)f;
-}
-
-inline static void setvec(s16 *v, float f)
-{
- s16 a = float2fixed(f);
- v[0] = a;
- v[1] = a;
- v[2] = a;
- v[3] = a;
-}
-
-
-
-// add two images
-void pdp_imageproc_add_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- unsigned int totalnbpixels = width * height;
- pixel_add_s16(image, image2, totalnbpixels>>2);
-}
-
-// mul two images
-void pdp_imageproc_mul_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- unsigned int totalnbpixels = width * height;
- pixel_mul_s16(image, image2, totalnbpixels>>2);
-}
-
-// mix 2 images
-void *pdp_imageproc_mix_new(void){return pdp_alloc(8*sizeof(s16));}
-void pdp_imageproc_mix_delete(void *x) {pdp_dealloc (x);}
-void pdp_imageproc_mix_setleftgain(void *x, float gain){setvec((s16 *)x, gain);}
-void pdp_imageproc_mix_setrightgain(void *x, float gain){setvec((s16 *)x + 4, gain);}
-void pdp_imageproc_mix_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- s16 *d = (s16 *)x;
- unsigned int totalnbpixels = width * height;
- pixel_mix_s16(image, image2, totalnbpixels>>2, d, d+4);
-}
-
-
-// random mix 2 images
-void *pdp_imageproc_randmix_new(void){return pdp_alloc(8*sizeof(s16));}
-void pdp_imageproc_randmix_delete(void *x) {pdp_dealloc (x);}
-void pdp_imageproc_randmix_setthreshold(void *x, float threshold){setvec((s16 *)x, 2*threshold-1);}
-void pdp_imageproc_randmix_setseed(void *x, float seed)
-{
- s16 *d = (s16 *)x;
- srandom((u32)seed);
- d[4] = (s16)random();
- d[5] = (s16)random();
- d[6] = (s16)random();
- d[7] = (s16)random();
-
-}
-void pdp_imageproc_randmix_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- s16 *d = (s16 *)x;
- unsigned int totalnbpixels = width * height;
- pixel_randmix_s16(image, image2, totalnbpixels>>2, d+4, d);
-}
-
-
-// 3x1 or 1x3 in place convolution
-// orientation
-typedef struct
-{
- s16 min1[4];
- s16 zero[4];
- s16 plus1[4];
- s16 border[4];
- u32 orientation;
- u32 nbpasses;
-} t_conv;
-void *pdp_imageproc_conv_new(void){return(pdp_alloc(sizeof(t_conv)));}
-void pdp_imageproc_conv_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_conv_setmin1(void *x, float val){setvec(((t_conv *)x)->min1, val);}
-void pdp_imageproc_conv_setzero(void *x, float val){setvec(((t_conv *)x)->zero, val);}
-void pdp_imageproc_conv_setplus1(void *x, float val){setvec(((t_conv *)x)->plus1, val);}
-void pdp_imageproc_conv_setbordercolor(void *x, float val){setvec(((t_conv *)x)->border, val);}
-void pdp_imageproc_conv_setorientation(void *x, u32 val){((t_conv *)x)->orientation = val;}
-void pdp_imageproc_conv_setnbpasses(void *x, u32 val){((t_conv *)x)->nbpasses = val;}
-void pdp_imageproc_conv_process(void *x, u32 width, u32 height, s16 *image)
-
-{
- t_conv *d = (t_conv *)x;
-
- u32 orientation = d->orientation;
- u32 nbp = d->nbpasses;
- u32 i,j;
-
- if (orientation == PDP_IMAGEPROC_CONV_HORIZONTAL)
- {
- for(i=0; i<width*height; i+=width)
- for (j=0; j<nbp; j++)
- pixel_conv_hor_s16(image+i, width>>2, d->border, d->min1);
- }
-
- else
- {
- for (j=0; j<nbp; j++)
- for(i=0; i<width; i +=4) pixel_conv_ver_s16(image+i, height, width, d->border, d->min1);
- }
-
-
-
-}
-
-// apply a gain to an image
-void *pdp_imageproc_gain_new(void){return(pdp_alloc(8*sizeof(s16)));}
-void pdp_imageproc_gain_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_gain_setgain(void *x, float gain)
-{
- /* convert float to s16 + shift */
- s16 *d = (s16 *)x;
- s16 g;
- int i;
- float sign;
- int shift = 0;
-
- sign = (gain < 0) ? -1 : 1;
- gain *= sign;
-
- /* max shift = 16 */
- for(i=0; i<=16; i++){
- if (gain < 0x4000){
- gain *= 2;
- shift++;
- }
- else break;
- }
-
- gain *= sign;
- g = (s16) gain;
-
- //g = 0x4000;
- //shift = 14;
-
- d[0]=g;
- d[1]=g;
- d[2]=g;
- d[3]=g;
- d[4]=(s16)shift;
- d[5]=0;
- d[6]=0;
- d[7]=0;
-}
-void pdp_imageproc_gain_process(void *x, u32 width, u32 height, s16 *image)
-{
- s16 *d = (s16 *)x;
- pixel_gain_s16(image, (width*height)>>2, d, (u64 *)(d+4));
-}
-
-// colour rotation for 2 colour planes
-void *pdp_imageproc_crot2d_new(void){return pdp_alloc(16*sizeof(s16));}
-void pdp_imageproc_crot2d_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_crot2d_setmatrix(void *x, float *matrix)
-{
- s16 *d = (s16 *)x;
- setvec(d, matrix[0]);
- setvec(d+4, matrix[1]);
- setvec(d+8, matrix[2]);
- setvec(d+12, matrix[3]);
-}
-void pdp_imageproc_crot2d_process(void *x, s16 *image, u32 width, u32 height)
-{
- s16 *d = (s16 *)x;
- pixel_crot2d_s16(image, width*height >> 2, d);
-}
-
-// biquad and biquad time
-typedef struct
-{
- s16 ma1[4];
- s16 ma2[4];
- s16 b0[4];
- s16 b1[4];
- s16 b2[4];
- s16 u0[4];
- s16 u1[4];
- s16 u0_save[4];
- s16 u1_save[4];
- u32 nbpasses;
- u32 direction;
-} t_bq;
-
-void *pdp_imageproc_bq_new(void){return pdp_alloc(sizeof(t_bq));}
-void pdp_imageproc_bq_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_bq_setcoef(void *x, float *coef) // a0,-a1,-a2,b0,b1,b2,u0,u1
-{
- t_bq *d = (t_bq *)x;
- float ia0 = 1.0f / coef[0];
-
- /* all coefs are s1.14 fixed point */
- /* representing values -2 < x < 2 */
- /* so scale down before using the ordinary s0.15 float->fixed routine */
-
- ia0 *= 0.5f;
-
- // coef
- setvec(d->ma1, ia0*coef[1]);
- setvec(d->ma2, ia0*coef[2]);
- setvec(d->b0, ia0*coef[3]);
- setvec(d->b1, ia0*coef[4]);
- setvec(d->b2, ia0*coef[5]);
-
- // state to reset too
- setvec(d->u0_save, coef[6]);
- setvec(d->u1_save, coef[7]);
-
-}
-void pdp_imageproc_bq_setnbpasses(void *x, u32 nbpasses){((t_bq *)x)->nbpasses = nbpasses;}
-void pdp_imageproc_bq_setdirection(void *x, u32 direction){((t_bq *)x)->direction = direction;}
-void pdp_imageproc_bq_process(void *x, u32 width, u32 height, s16* image);
-
-
-void pdp_imageproc_bqt_process(void *x, u32 width, u32 height, s16 *image, s16 *state0, s16 *state1)
-{
- s16 *d = (s16 *)x;
- pixel_biquad_time_s16(image, state0, state1, d, (width*height)>>2);
-}
-
-void pdp_imageproc_bq_process(void *x, u32 width, u32 height, s16 *image)
-{
- t_bq *d = (t_bq *)x;
- s16 *c = d->ma1; /* coefs */
- s16 *s = d->u0; /* state */
- u32 direction = d->direction;
- u32 nbp = d->nbpasses;
- unsigned int i,j;
-
-
-
- /* VERTICAL */
-
- if ((direction & PDP_IMAGEPROC_BIQUAD_TOP2BOTTOM)
- && (direction & PDP_IMAGEPROC_BIQUAD_BOTTOM2TOP)){
-
- for(i=0; i<width; i +=4){
- for (j=0; j<nbp; j++){
- pixel_biquad_vertb_s16(image+i, height>>2, width, c, s);
- pixel_biquad_verbt_s16(image+i, height>>2, width, c, s);
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_TOP2BOTTOM){
- for(i=0; i<width; i +=4){
- for (j=0; j<nbp; j++){
- pixel_biquad_vertb_s16(image+i, height>>2, width, c, s);
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_BOTTOM2TOP){
- for(i=0; i<width; i +=4){
- for (j=0; j<nbp; j++){
- pixel_biquad_verbt_s16(image+i, height>>2, width, c, s);
- }
- }
- }
-
- /* HORIZONTAL */
-
- if ((direction & PDP_IMAGEPROC_BIQUAD_LEFT2RIGHT)
- && (direction & PDP_IMAGEPROC_BIQUAD_RIGHT2LEFT)){
-
- for(i=0; i<(width*height); i +=(width<<2)){
- for (j=0; j<nbp; j++){
- pixel_biquad_horlr_s16(image+i, width>>2, width, c, s);
- pixel_biquad_horrl_s16(image+i, width>>2, width, c, s);
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_LEFT2RIGHT){
- for(i=0; i<(width*height); i +=(width<<2)){
- for (j=0; j<nbp; j++){
- pixel_biquad_horlr_s16(image+i, width>>2, width, c, s);
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_RIGHT2LEFT){
- for(i=0; i<(width*height); i +=(width<<2)){
- for (j=0; j<nbp; j++){
- pixel_biquad_horrl_s16(image+i, width>>2, width, c, s);
- }
- }
- }
-
-}
-
-// produce a random image
-// note: random number generator can be platform specific
-// however, it should be seeded. (same seed produces the same result)
-void *pdp_imageproc_random_new(void){return pdp_alloc(4*sizeof(s16));}
-void pdp_imageproc_random_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_random_setseed(void *x, float seed)
-{
- s16 *d = (s16 *)x;
- srandom((u32)seed);
- d[0] = (s16)random();
- d[1] = (s16)random();
- d[2] = (s16)random();
- d[3] = (s16)random();
-
-}
-void pdp_imageproc_random_process(void *x, u32 width, u32 height, s16 *image)
-{
- s16 *d = (s16 *)x;
- unsigned int totalnbpixels = width * height;
- pixel_rand_s16(image, totalnbpixels>>2, d);
-}
-
-
-/* resampling stuff
- this is quite a zoo of data structures
- the major point is this: the resampler mmx code is shared for all resampling code
- it uses data specified in t_resample_cbrd (Cooked Bilinear Resampler Data)
-
- then the there are several feeder algorithms. one is the linear mapper. it's
- data is specified in t_resample_clrd (Cooked Linear Remapper Data)
-
- for each feeder algorithm, there are several high level algorithms. like zoom,
- rotate, ...
-*/
-
-typedef struct
-{
- u32 lineoffset;
- s16 *image;
- u32 width;
- u32 height;
-
-} t_resample_id; // Image Data
-
-/* initialize image meta data (dimensions + location) */
-static void pdp_imageproc_resample_init_id(t_resample_id *x, u32 offset, s16* image, u32 w, u32 h)
-{
- x->lineoffset = offset;
- x->image = image;
- x->width = w;
- x->height = h;
-}
-
-// mmx resampling source image resampling data + coefs
-typedef struct
-{
- // vector data for resampling routine (resampling computation)
- u8 reserved[0x60]; //internal data
- s16 *address[2]; //64 bit splatted offset address
- s16 twowidthm1[4]; //64 bit splatted 2*(width-1)
- s16 twoheightm1[4]; //64 bit splatted 2*(height-1)
- s16 lineoffset[4]; //64 bit splatted line offset in pixels
-
-} t_resample_cid; // Cooked Image Data
-
-/* convert image meta data into a cooked format used by the resampler routine */
-static void pdp_imageproc_resample_init_cid(t_resample_cid *r, t_resample_id *i)
-{
- u32 twowm1 = (i->width-1)<<1;
- u32 twohm1 = (i->height-1)<<1;
- r->address[0] = i->image;
- r->address[1] = i->image;
- r->twowidthm1[0] = twowm1;
- r->twowidthm1[1] = twowm1;
- r->twowidthm1[2] = twowm1;
- r->twowidthm1[3] = twowm1;
- r->twoheightm1[0] = twohm1;
- r->twoheightm1[1] = twohm1;
- r->twoheightm1[2] = twohm1;
- r->twoheightm1[3] = twohm1;
- r->lineoffset[0] = i->lineoffset;
- r->lineoffset[1] = i->lineoffset;
- r->lineoffset[2] = i->lineoffset;
- r->lineoffset[3] = i->lineoffset;
-}
-
-// linear mapping data struct (zoom, scale, rotate, shear, ...)
-typedef struct
-{
- s32 rowstatex[2]; // row state x coord
- s32 rowstatey[2]; // row state y coord
- s32 colstatex[2]; // column state x coord
- s32 colstatey[2]; // column state y coord
- s32 rowincx[2]; // row inc vector x coord
- s32 rowincy[2]; // row inc vector y coord
- s32 colincx[2]; // column inc vector x coord
- s32 colincy[2]; // column inc vector y coord
-} t_resample_clmd; // Cooked Linear Mapping Data
-
-/* convert incremental linear remapping vectors to internal cooked format */
-static void pdp_imageproc_resample_cookedlinmap_init(t_resample_clmd *l, s32 sx, s32 sy, s32 rix, s32 riy, s32 cix, s32 ciy)
-{
- l->colstatex[0] = l->rowstatex[0] = sx;
- l->colstatex[1] = l->rowstatex[1] = sx + rix;
- l->colstatey[0] = l->rowstatey[0] = sy;
- l->colstatey[1] = l->rowstatey[1] = sy + riy;
- l->rowincx[0] = rix << 1;
- l->rowincx[1] = rix << 1;
- l->rowincy[0] = riy << 1;
- l->rowincy[1] = riy << 1;
- l->colincx[0] = cix;
- l->colincx[1] = cix;
- l->colincy[0] = ciy;
- l->colincy[1] = ciy;
-}
-
-
-/* this struct contains all the data necessary for
- bilin interpolation from src -> dst image
- (src can be == dst) */
-typedef struct
-{
- t_resample_cid csrc; //cooked src image meta data for bilinear interpolator
- t_resample_id src; //src image meta
- t_resample_id dst; //dst image meta
-} t_resample_cbrd; //Bilinear Resampler Data
-
-
-/* this struct contains high level zoom parameters,
- all image relative */
-typedef struct
-{
- float centerx;
- float centery;
- float zoomx;
- float zoomy;
- float angle;
-} t_resample_zrd;
-
-
-/* convert floating point center and zoom data to incremental linear remapping vectors */
-static void pdp_imageproc_resample_clmd_init_from_id_zrd(t_resample_clmd *l, t_resample_id *i, t_resample_zrd *z)
-{
- double izx = 1.0f / (z->zoomx);
- double izy = 1.0f / (z->zoomy);
- double scale = (double)0xffffffff;
- double scalew = scale / ((double)(i->width - 1));
- double scaleh = scale / ((double)(i->height - 1));
- double cx = ((double)z->centerx) * ((double)(i->width - 1));
- double cy = ((double)z->centery) * ((double)(i->height - 1));
- double angle = z->angle * (-M_PI / 180.0);
- double c = cos(angle);
- double s = sin(angle);
-
- /* affine x, y mappings in screen coordinates */
- double mapx(double x, double y){return cx + izx * ( c * (x-cx) + s * (y-cy));}
- double mapy(double x, double y){return cy + izy * (-s * (x-cx) + c * (y-cy));}
-
- u32 tl_x = (u32)(scalew * mapx(0,0));
- u32 tl_y = (u32)(scaleh * mapy(0,0));
-
-
- u32 row_inc_x = (u32)(scalew * (mapx(1,0)-mapx(0,0)));
- u32 row_inc_y = (u32)(scaleh * (mapy(1,0)-mapy(0,0)));
- u32 col_inc_x = (u32)(scalew * (mapx(0,1)-mapx(0,0)));
- u32 col_inc_y = (u32)(scaleh * (mapy(0,1)-mapy(0,0)));
-
-
- pdp_imageproc_resample_cookedlinmap_init(l, tl_x, tl_y, row_inc_x, row_inc_y, col_inc_x, col_inc_y);
-}
-
-/* this struct contains all data for the zoom object */
-typedef struct
-{
- t_resample_cbrd cbrd; // Bilinear Resampler Data
- t_resample_clmd clmd; // Cooked Linear Mapping data
- t_resample_zrd zrd; // Zoom / Rotate Data
-} t_resample_zoom_rotate;
-
-// zoom + rotate
-void *pdp_imageproc_resample_affinemap_new(void)
-{
- t_resample_zoom_rotate *z = (t_resample_zoom_rotate *)pdp_alloc(sizeof(t_resample_zoom_rotate));
- z->zrd.centerx = 0.5;
- z->zrd.centery = 0.5;
- z->zrd.zoomx = 1.0;
- z->zrd.zoomy = 1.0;
- z->zrd.angle = 0.0f;
- return (void *)z;
-}
-void pdp_imageproc_resample_affinemap_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_resample_affinemap_setcenterx(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.centerx = f;}
-void pdp_imageproc_resample_affinemap_setcentery(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.centery = f;}
-void pdp_imageproc_resample_affinemap_setzoomx(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.zoomx = f;}
-void pdp_imageproc_resample_affinemap_setzoomy(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.zoomy = f;}
-void pdp_imageproc_resample_affinemap_setangle(void *x, float f){((t_resample_zoom_rotate *)x)->zrd.angle = f;}
-void pdp_imageproc_resample_affinemap_process(void *x, u32 width, u32 height, s16 *srcimage, s16 *dstimage)
-{
- t_resample_zoom_rotate *z = (t_resample_zoom_rotate *)x;
-
- /* setup resampler image meta data */
- pdp_imageproc_resample_init_id(&(z->cbrd.src), width, srcimage, width, height);
- pdp_imageproc_resample_init_id(&(z->cbrd.dst), width, dstimage, width, height);
- pdp_imageproc_resample_init_cid(&(z->cbrd.csrc),&(z->cbrd.src));
-
- /* setup linmap data from zoom_rotate parameters */
- pdp_imageproc_resample_clmd_init_from_id_zrd(&(z->clmd), &(z->cbrd.src), &(z->zrd));
-
-
- /* call assembler routine */
- pixel_resample_linmap_s16(z);
-}
-
-
-
-// polynomials
-
-
-typedef struct
-{
- u32 order;
- u32 nbpasses;
- s16 coefs[0];
-} t_cheby;
-
-void *pdp_imageproc_cheby_new(int order)
-{
- t_cheby *z;
- int i;
- if (order < 2) order = 2;
- z = (t_cheby *)pdp_alloc(sizeof(t_cheby) + (order + 1) * sizeof(s16[4]));
- z->order = order;
- setvec(z->coefs + 0*4, 0);
- setvec(z->coefs + 1*4, 0.25);
- for (i=2; i<=order; i++) setvec(z->coefs + i*4, 0);
-
- return z;
-}
-void pdp_imageproc_cheby_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_cheby_setcoef(void *x, u32 n, float f)
-{
- t_cheby *z = (t_cheby *)x;
- if (n <= z->order){
- setvec(z->coefs + n*4, f * 0.25); // coefs are in s2.13 format
- }
-}
-void pdp_imageproc_cheby_setnbpasses(void *x, u32 n){((t_cheby *)x)->nbpasses = n;}
-
-void pdp_imageproc_cheby_process(void *x, u32 width, u32 height, s16 *image)
-{
- t_cheby *z = (t_cheby *)x;
- u32 iterations = z->nbpasses;
- u32 i,j;
- for (j=0; j < (height*width); j += width)
- for (i=0; i<iterations; i++)
- pixel_cheby_s16_3plus(image+j, width>>2, z->order+1, z->coefs);
-
- //pixel_cheby_s16_3plus(image, (width*height)>>2, z->order+1, z->coefs);
-}
diff --git a/system/image/pdp_imageproc_portable.c b/system/image/pdp_imageproc_portable.c
deleted file mode 100644
index 53f195f..0000000
--- a/system/image/pdp_imageproc_portable.c
+++ /dev/null
@@ -1,679 +0,0 @@
-/*
- * Pure Data Packet. portable image processing routines.
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include "pdp_imageproc.h"
-
-/* pdp memory alloc/dealloc prototype */
-void *pdp_alloc(int size);
-void pdp_dealloc(void *);
-
-
-// utility stuff
-inline static s32 float2fixed(float f)
-{
- if (f > 1) f = 1;
- if (f < -1) f = -1;
- f *= 0x7fff;
- return (s32)f;
-}
-
-
-
-#define CLAMP16(x) (((x) > 0x7fff) ? 0x7fff : (((x) < -0x7fff) ? -0x7fff : (x)))
-
-// add two images
-void pdp_imageproc_add_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- int a, b;
- unsigned int i;
- for (i=0; i<width*height; i++){
- a = (int)image[i];
- b = (int)image2[i];
- image[i] = (s16)(CLAMP16(a+b));
- }
-
-}
-
-// mul two images
-void pdp_imageproc_mul_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- int a, b;
- unsigned int i;
- for (i=0; i<width*height; i++){
- a = (int)image[i];
- b = (int)image2[i];
- image[i] = (s16)((a*b)>>15);
- }
-
-}
-
-// mix 2 images
-void *pdp_imageproc_mix_new(void){return pdp_alloc(2*sizeof(s32));}
-void pdp_imageproc_mix_delete(void *x) {pdp_dealloc (x);}
-void pdp_imageproc_mix_setleftgain(void *x, float gain)
-{
- s32 *d = (s32 *)x;
- d[0] = float2fixed(gain);
-}
-void pdp_imageproc_mix_setrightgain(void *x, float gain)
-{
- s32 *d = (s32 *)x;
- d[1] = float2fixed(gain);
-}
-void pdp_imageproc_mix_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- s32 *d = (s32 *)x;
- u32 i;
- s32 a,b;
-
- for(i=0; i<width*height; i++){
- a = (s32)image[i];
- b = (s32)image2[i];
- a = (a*d[0] + b*d[1]) >> 15;
- image[i] = (s16)CLAMP16(a);
- }
-
-}
-
-
-// random mix 2 images
-void *pdp_imageproc_randmix_new(void){return pdp_alloc(2*sizeof(s32));;}
-void pdp_imageproc_randmix_delete(void *x) {pdp_dealloc(x);}
-void pdp_imageproc_randmix_setthreshold(void *x, float threshold)
-{
- s32 *d = (s32 *)x;
- if (threshold > 1.0f) threshold = 1.0f;
- if (threshold < 0.0f) threshold = 0.0f;
- d[0] = float2fixed(threshold);
-}
-void pdp_imageproc_randmix_setseed(void *x, float seed)
-{
- s32 *d = (s32 *)x;
- d[1] = float2fixed(seed);
-}
-void pdp_imageproc_randmix_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
- s32 *d = (s32 *)x;
- u32 i;
- s16 r;
- srandom((u32)d[1]);
-
-
- for(i=0; i<width*height; i++){
- // get a random val between 0 and 0x7fff
- r = (s16)(random() & 0x7fff);
- if (r < d[0]) image[i] = image2[i];
- }
-}
-
-
-// 3x1 or 1x3 in place convolution
-// orientation
-void *pdp_imageproc_conv_new(void){return(pdp_alloc(6*sizeof(s32)));}
-void pdp_imageproc_conv_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_conv_setmin1(void *x, float val)
-{
- s32 *d = (s32 *)x;
- d[0] = float2fixed(val);
-}
-void pdp_imageproc_conv_setzero(void *x, float val)
-{
- s32 *d = (s32 *)x;
- d[1] = float2fixed(val);
-}
-void pdp_imageproc_conv_setplus1(void *x, float val)
-{
- s32 *d = (s32 *)x;
- d[2] = float2fixed(val);
-}
-void pdp_imageproc_conv_setbordercolor(void *x, float val)
-{
- s32 *d = (s32 *)x;
- d[3] = float2fixed(val);
-}
-void pdp_imageproc_conv_setorientation(void *x, u32 val){((u32 *)x)[4] = val;}
-void pdp_imageproc_conv_setnbpasses(void *x, u32 val){((u32 *)x)[5] = val;}
-
-static inline void pdp_imageproc_conv_scanline(void *x, s16 *data, u32 count, s32 stride)
-{
- s32 *d = (s32 *)x;
- s32 a,b,c,r;
- u32 i;
-
- a = d[3]; //border
- b = data[0];
- c = data[stride];
-
- for(i = 0; i < count-2; i++){
- r = a*d[0] + b*d[1] + c*d[2];
- a = data[0];
- b = data[stride];
- c = data[stride<<1];
- data[0] = (s16)CLAMP16(r>>15);
- data += stride;
- }
- r = a*d[0] + b*d[1] + c*d[2];
- a = data[0];
- b = data[stride];
- c = d[3]; //border
- data[0] = (s16)CLAMP16(r>>15);
- r = a*d[0] + b*d[1] + c*d[2];
- data[stride] = (s16)CLAMP16(r>>15);
-
-}
-
-void pdp_imageproc_conv_process(void *x, u32 width, u32 height, s16 *image)
-{
- s32 *d = (s32 *)x;
- u32 i, j;
- u32 orientation = d[4];
- u32 nbp = d[5];
- if (orientation == PDP_IMAGEPROC_CONV_HORIZONTAL){
- for(i=0; i<width*height; i+=width)
- for(j=0; j<nbp; j++)
- pdp_imageproc_conv_scanline(x, image+i, width, 1);
-
- }
-
- if (orientation == PDP_IMAGEPROC_CONV_VERTICAL){
- for(i=0; i<width; i++)
- for(j=0; j<nbp; j++)
- pdp_imageproc_conv_scanline(x, image+i, height, width);
-
- }
-
-
-
-
-}
-
-// apply a gain to an image
-void *pdp_imageproc_gain_new(void){return(pdp_alloc(2*sizeof(s32)));}
-void pdp_imageproc_gain_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_gain_setgain(void *x, float gain)
-{
- /* convert float to s16 + shift */
- s32 *d = (s32 *)x;
- s32 g;
- int i;
- float sign;
- s32 shift = 0;
-
- sign = (gain < 0) ? -1 : 1;
- gain *= sign;
-
- /* max shift = 16 */
- for(i=0; i<=16; i++){
- if (gain < 0x4000){
- gain *= 2;
- shift++;
- }
- else break;
- }
-
- gain *= sign;
- g = (s32) gain;
-
- //g = 0x4000;
- //shift = 14;
-
- d[0]=g;
- d[1]=shift;
-}
-void pdp_imageproc_gain_process(void *x, u32 width, u32 height, s16 *image)
-{
- s32 *d = (s32 *)x;
- s32 a;
- u32 i;
- for (i=0; i<width*height; i++){
- a = (s32)image[i];
- image[i] = (s16)(CLAMP16((a * d[0]) >> d[1]));
- }
-}
-
-// colour rotation for 2 colour planes
-void *pdp_imageproc_crot2d_new(void){return pdp_alloc(4*sizeof(s32));}
-void pdp_imageproc_crot2d_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_crot2d_setmatrix(void *x, float *matrix)
-{
- s32 *d = (s32 *)x;
- d[0] = float2fixed(matrix[0]);
- d[1] = float2fixed(matrix[1]);
- d[2] = float2fixed(matrix[2]);
- d[3] = float2fixed(matrix[3]);
-
-}
-void pdp_imageproc_crot2d_process(void *x, s16 *image, u32 width, u32 height)
-{
- s32 *d = (s32 *)x;
- u32 i,j;
- s32 a1,a2,c1,c2;
-
- for(i=0, j=width*height; i<width*height; i++, j++){
- c1 = (s32)image[i];
- c2 = (s32)image[j];
-
- a1 = d[0] * c1;
- a2 = d[1] * c1;
- a1+= d[2] * c2;
- a2+= d[3] * c2;
-
- a1 >>= 15;
- a2 >>= 15;
-
- image[i] = (s16)CLAMP16(a1);
- image[j] = (s16)CLAMP16(a2);
- }
-}
-
-// biquad and biquad time
-typedef struct
-{
- s32 ma1;
- s32 ma2;
- s32 b0;
- s32 b1;
- s32 b2;
-
- s32 u0;
- s32 u1;
-
- s32 u0_save;
- s32 u1_save;
-
- u32 nbpasses;
- u32 direction;
-} t_bq;
-void *pdp_imageproc_bq_new(void){return pdp_alloc(sizeof(t_bq));}
-void pdp_imageproc_bq_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_bq_setnbpasses(void *x, u32 i){((t_bq *)x)->nbpasses = i;}
-void pdp_imageproc_bq_setdirection(void *x, u32 i){((t_bq *)x)->direction = i;}
-void pdp_imageproc_bq_setcoef(void *x, float *coef) // a0,-a1,-a2,b0,b1,b2,u0,u1
-{
- s32 *d = (s32 *)x;
- float ia0 = 1.0f / coef[0];
-
- /* all coefs are s1.14 fixed point */
- /* representing values -2 < x < 2 */
- /* so scale down before using the ordinary s0.15 float->fixed routine */
-
- ia0 *= 0.5f;
-
- // coef
- d[0] = float2fixed(ia0*coef[1]); // -a1
- d[1] = float2fixed(ia0*coef[2]); // -a2
- d[2] = float2fixed(ia0*coef[3]); // b0
- d[3] = float2fixed(ia0*coef[4]); // b1
- d[4] = float2fixed(ia0*coef[5]); // b2
-
-
- // state to reset too
- d[5] = float2fixed(coef[6]);
- d[6] = float2fixed(coef[7]);
-
-}
-
-#define A1 d[0]
-#define A2 d[1]
-#define B0 d[2]
-#define B1 d[3]
-#define B2 d[4]
-/*
- # DIRECT FORM II BIQUAD (from pixel_biquad_s16.s)
- #
- # y[k] = b0 * x[k] + u1[k-1]
- # u1[k] = b1 * x[k] + u2[k-1] - a1 * y[k]
- # u2[k] = b2 * x[k] - a2 * y[k]
-*/
-
-/* remark A1 and A2 are already negated) */
-
-
-static inline void pdp_imageproc_bq_scanline(void *x, s16 *data, u32 count, s32 stride)
-{
-
- s32 *d = (s32 *)x;
- s32 u1,u2, xx, yy;
-
- u32 i;
-
- u1 = d[7];
- u2 = d[8];
-
- for(i = 0; i < count; i++){
-
- xx = (s32)data[0];
-
- yy = ((B0 * xx)>>14) + u1;
- u1 = ((B1 * xx)>>14) + u2 + ((A1 * yy)>>14);
- u2 = ((B2 * xx)>>14) + ((A2 * yy)>>14);
-
- data[0] = (s16)CLAMP16(yy);
-
- data += stride;
-
- }
-
- d[7] = u1;
- d[8] = u2;
-
-}
-
-void pdp_imageproc_bqt_process(void *x, u32 width, u32 height, s16 *image, s16 *state1, s16 *state2)
-{
- s32 *d = (s32 *)x;
- u32 i;
- s32 u1, u2, xx, yy;
-
- for (i=0; i<width*height; i++){
-
- xx = (s32)image[i];
- u1 = (s32)state1[i];
- u2 = (s32)state2[i];
-
- yy = ((B0 * xx)>>14) + u1;
- u1 = ((B1 * xx)>>14) + u2 + ((A1 * yy)>>14);
- u2 = ((B2 * xx)>>14) + ((A2 * yy)>>14);
-
- image[i] = (s16)CLAMP16(yy);
- state1[i] = (s16)CLAMP16(u1);
- state2[i] = (s16)CLAMP16(u2);
- }
-
-
-}
-
-void pdp_imageproc_bq_process(void *x, u32 width, u32 height, s16 *data)
-{
- s32 *d = (s32 *)x;
-
- u32 nbp = d[9];
- u32 direction = d[10];
- unsigned int i,j, offset;
-
-
- /* VERTICAL */
- offset = (height-1)*width;
-
- if ((direction & PDP_IMAGEPROC_BIQUAD_TOP2BOTTOM)
- && (direction & PDP_IMAGEPROC_BIQUAD_BOTTOM2TOP)){
-
- for(i=0; i<width; i++){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+i, height, width); //T->B
- pdp_imageproc_bq_scanline(x, data+offset+i, height, -width); //B->T
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_TOP2BOTTOM){
- for(i=0; i<width; i++){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+i, height, width); //T->B
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_BOTTOM2TOP){
- for(i=0; i<width; i++){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+offset+i, height, -width); //B->T
- }
- }
- }
-
- /* HORIZONTAL */
-
- offset = width-1;
- if ((direction & PDP_IMAGEPROC_BIQUAD_LEFT2RIGHT)
- && (direction & PDP_IMAGEPROC_BIQUAD_RIGHT2LEFT)){
-
- for(i=0; i<(width*height); i += width){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+i, width, 1); //L->R
- pdp_imageproc_bq_scanline(x, data+offset+i, width, -1); //R->L
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_LEFT2RIGHT){
- for(i=0; i<(width*height); i += width){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+i, width, 1); //L->R
- }
- }
- }
-
- else if (direction & PDP_IMAGEPROC_BIQUAD_RIGHT2LEFT){
- for(i=0; i<(width*height); i += width){
- for (j=0; j<nbp; j++){
- pdp_imageproc_bq_scanline(x, data+offset+i, width, -1); //R->L
-
- }
- }
- }
-
-}
-
-// produce a random image
-// note: random number generator can be platform specific
-// however, it should be seeded. (same seed produces the same result)
-void *pdp_imageproc_random_new(void){return pdp_alloc(sizeof(s32));}
-void pdp_imageproc_random_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_random_setseed(void *x, float seed)
-{
- float *f = (float *)x;
- u32 *d = (u32 *)x;
- f[0] = seed;
- srandom(d[0]);
-}
-
-void pdp_imageproc_random_process(void *x, u32 width, u32 height, short int *image)
-{
- s32 *d = (u32 *)x;
- u32 i;
- s32 r;
- srandom(d[0]);
- for (i=0; i<(width*height); i++) {
- r = random();
- image[i] = r;
- }
- d[0] = random();
-}
-
-
-
-/* resampling code */
-// zoom + rotate
-
-/* bilinear resampling core routine */
-/* virtual coordinates are the lowest 16 bits in virt_x and virt_y*/
-static inline s32 pdp_resample_bilin(s16 *image, s32 width, s32 height, s32 virt_x, s32 virt_y)
-{
-
- s32 fp_x, fp_y, frac_x, frac_y, f, offset, r_1, r_2;
-
- //virt_x &= 0xffff;
- //virt_y &= 0xffff;
-
- fp_x = virt_x * (width - 1);
- fp_y = virt_y * (height - 1);
-
- frac_x = fp_x & (0xffff);
- frac_y = fp_y & (0xffff);
-
- offset = (fp_x >> 16) + (fp_y >> 16) * width;
- image += offset;
-
- f = 0x10000 - frac_x;
-
- r_1 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16;
-
- image += width;
-
- r_2 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16;
-
- f = 0x10000 - frac_y;
-
- return ((f * r_1 + frac_y * r_2)>>16);
-
-}
-
-typedef struct
-{
- float centerx;
- float centery;
- float zoomx;
- float zoomy;
- float angle;
-} t_affine_map;
-
-
-void *pdp_imageproc_resample_affinemap_new(void)
-{
-
- t_affine_map *a = (t_affine_map *)pdp_alloc(sizeof(t_affine_map));
- a->centerx = 0.5;
- a->centery = 0.5;
- a->zoomx = 1.0;
- a->zoomy = 1.0;
- a->angle = 0.0f;
- return (void *)a;
-}
-
-void pdp_imageproc_resample_affinemap_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_resample_affinemap_setcenterx(void *x, float f){((t_affine_map *)x)->centerx = f;}
-void pdp_imageproc_resample_affinemap_setcentery(void *x, float f){((t_affine_map *)x)->centery = f;}
-void pdp_imageproc_resample_affinemap_setzoomx(void *x, float f){((t_affine_map *)x)->zoomx = f;}
-void pdp_imageproc_resample_affinemap_setzoomy(void *x, float f){((t_affine_map *)x)->zoomy = f;}
-void pdp_imageproc_resample_affinemap_setangle(void *x, float f){((t_affine_map *)x)->angle = f;}
-void pdp_imageproc_resample_affinemap_process(void *x, u32 width, u32 height, s16 *srcimage, s16 *dstimage)
-{
- t_affine_map *a = (t_affine_map *)x;
- double izx = 1.0f / (a->zoomx);
- double izy = 1.0f / (a->zoomy);
- double scale = (double)0xffffffff;
- double scalew = scale / ((double)(width - 1));
- double scaleh = scale / ((double)(height - 1));
- double cx = ((double)a->centerx) * ((double)(width - 1));
- double cy = ((double)a->centery) * ((double)(height - 1));
- double angle = a->angle * (-M_PI / 180.0);
- double c = cos(angle);
- double s = sin(angle);
-
- /* affine x, y mappings in screen coordinates */
- double mapx(double x, double y){return cx + izx * ( c * (x-cx) + s * (y-cy));}
- double mapy(double x, double y){return cy + izy * (-s * (x-cx) + c * (y-cy));}
-
- u32 colstate_x = (u32)(scalew * mapx(0,0));
- u32 colstate_y = (u32)(scaleh * mapy(0,0));
- u32 rowstate_x = colstate_x;
- u32 rowstate_y = colstate_y;
-
- u32 row_inc_x = (u32)(scalew * (mapx(1,0)-mapx(0,0)));
- u32 row_inc_y = (u32)(scaleh * (mapy(1,0)-mapy(0,0)));
- u32 col_inc_x = (u32)(scalew * (mapx(0,1)-mapx(0,0)));
- u32 col_inc_y = (u32)(scaleh * (mapy(0,1)-mapy(0,0)));
-
- u32 i,j;
-
- for (j=0; j<height; j++){
- for (i=0; i<width; i++){
- *dstimage++ = pdp_resample_bilin(srcimage, width, height, rowstate_x>>16, rowstate_y>>16);
- rowstate_x += row_inc_x;
- rowstate_y += row_inc_y;
- }
- colstate_x += col_inc_x;
- colstate_y += col_inc_y;
- rowstate_x = colstate_x;
- rowstate_y = colstate_y;
- }
-
-}
-
-
-
-
-
-// polynomials
-
-
-
-
-typedef struct
-{
- u32 order;
- u32 nbpasses;
- s32 coefs[0];
-} t_cheby;
-
-void *pdp_imageproc_cheby_new(int order)
-{
- t_cheby *z;
- int i;
- if (order < 2) order = 2;
- z = (t_cheby *)pdp_alloc(sizeof(t_cheby) + (order + 1) * sizeof(s32));
- z->order = order;
- z->coefs[0] = 0;
- z->coefs[1] = 0x7fff;
- for (i=2; i<=order; i++) z->coefs[i] = 0;
- return z;
-}
-void pdp_imageproc_cheby_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_cheby_setnbpasses(void *x, u32 n){((t_cheby *)x)->nbpasses = n;}
-void pdp_imageproc_cheby_setcoef(void *x, u32 n, float f)
-{
-
- t_cheby *z = (t_cheby *)x;
- if (n <= z->order){
- z->coefs[n] = (s32)(f * 32767.0f); // coefs are in s16.15 format
- }
-
-}
-void pdp_imageproc_cheby_process(void *x, u32 width, u32 height, s16 *image)
-{
-
- t_cheby *z = (t_cheby *)x;
- u32 iterations = z->nbpasses;
- u32 i,j,k;
- s32 *c = z->coefs;
- for (j=0; j < (height*width); j++){
- s32 acc = (s32)image[j];
- for (i=0; i<iterations; i++){
- s32 T2 = 0x7fff; /* 1 */
- s32 T1 = acc;
- s32 t;
- s32 in = acc;
- acc = c[0] + ((in*c[1])>>15);
- for (k=2; k<=z->order; k++){
- t = ((T1*in)>>14) - T2; /* T_n = 2 x T_n-1 - T_n-2 */
- T2 = T1;
- T1 = t;
- acc += ((c[k] * t)>>15);
- }
- }
- image[j] = (s16)(CLAMP16(acc));
- }
-}
diff --git a/system/image/pdp_llconv.c b/system/image/pdp_llconv.c
deleted file mode 100644
index 7fb17de..0000000
--- a/system/image/pdp_llconv.c
+++ /dev/null
@@ -1,596 +0,0 @@
-/*
- * Pure Data Packet system implementation. : low level format conversion code
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/* this file contains low level image conversion code
- nominated as "the ugliest part of pdp"
- some code is mmx, most is not. */
-
-#include "pdp_llconv.h"
-#include "pdp_mmx.h"
-
-
-/* all symbols are C style */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-
-#define CLAMP8(x) (((x)<0) ? 0 : ((x>255)? 255 : (x)))
-#define CLAMP16(x) (((x)<-0x7fff) ? -0x7fff : ((x>0x7fff) ? 0x7fff : (x)))
-#define FP(x) ((int)(((float)(x)) * 256.0f))
-
-#define CLAMP CLAMP8
-
-/* some prototypes for functions defined elsewhere */
-void llconv_yvu_planar_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels);
-void llconv_yuv_planar_u8s16(unsigned char* source, short int *dest, int nbpixels);
-void llconv_grey_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels);
-void llconv_yvu_planar_u8s16(unsigned char* source, short int *dest, int nbpixels);
-
-
-static inline int rgb2y(int r, int g, int b){return (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);}
-static inline int rgb2v(int r, int g, int b){return (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b) + FP(128);}
-static inline int rgb2u(int r, int g, int b){return -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b) + FP(128);}
-
-
-/* swap top to bottom */
-static inline void _exchange_row(char *row1, char *row2, int size)
-{
- int mask = ~(sizeof(int)-1);
- int *irow1 = (int *)row1;
- int *irow2 = (int *)row2;
-
- /* transfer words */
- while (size & mask){
- int tmp = *irow1;
- *irow1++ = *irow2;
- *irow2++ = tmp;
- size -= sizeof(int);
- }
-
- row1 = (char *)irow1;
- row2 = (char *)irow2;
-
- /* transfer rest bytes */
- while (size){
- int tmp = *row1;
- *row1++ = *row2;
- *row2++ = tmp;
- size--;
- }
-}
-
-void pdp_llconv_flip_top_bottom(char *data, int width, int height, int pixelsize)
-{
- int linesize = width * pixelsize;
- int i;
- char *row1 = data;
- char *row2 = data + linesize * (height-1);
-
- if (height <= 1) return;
- if (width <= 0) return;
-
- while (row1 < row2){
- _exchange_row(row1, row2, linesize);
- row1 += linesize;
- row2 -= linesize;
- }
-}
-
-/* "standard" 8 bit conversion routine */
-static void llconv_rgb2yvu(unsigned char* src, unsigned char* dst, int nbpixels)
-{
- int r,g,b,y,v,u,i;
- for (i=0; i<nbpixels; i++){
- r = src[0];
- g = src[1];
- b = src[2];
-
- y = rgb2y(r,g,b);
- v = rgb2v(r,g,b);
- u = rgb2u(r,g,b);
-
- dst[0] = CLAMP(y>>8);
- dst[1] = CLAMP(v>>8);
- dst[2] = CLAMP(u>>8);
-
- src += 3;
- dst += 3;
- }
-}
-
-static void llconv_yvu16planar2rgbpacked(short int *src, unsigned char *dst, int w, int h)
-{
-
-/*
-B = 1.164(Y - 16) + 2.018(U - 128)
-G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128)
-R = 1.164(Y - 16) + 1.596(V - 128)}
-*/
-
- int r,g,b,y,u,v,b1,g1,r1,y1,xoff,yoff;
- int size = w*h;
- int voffset = size;
- int uoffset = size + (size>>2);
- int rgboff;
- int rgbw = w*3;
- int lumoff = 0;
- int chromoff = 0;
-
- for(yoff=0; yoff<w*h; yoff+=2*w){
- for(xoff=0; xoff<w; xoff+=2){
-
- /* calculate offsets */
- rgboff = 3 * (xoff + yoff);
- lumoff = xoff + yoff;
- chromoff = (xoff >> 1) + (yoff >> 2);
-
- /* get uv values */
- v = src[voffset + chromoff];
- u = src[uoffset + chromoff];
-
- /* calculate chroma contrib for 2x2 pixblock */
- b1 = FP(2.018) * u;
- g1 = FP(-0.813) * v + FP(-0.391) * u;
- r1 = FP(1.596) * v;
-
- /* TOP LEFT */
-
- /* top left luma contrib */
- y = src[lumoff] << 1;
- y1 = FP(1.164) * y;
- y1 -= FP(16*256);
-
- b = (b1 + y1)>>16;
- g = (g1 + y1)>>16;
- r = (r1 + y1)>>16;
-
- /* store top left rgb pixel */
- dst[rgboff+0] = CLAMP8(r);
- dst[rgboff+1] = CLAMP8(g);
- dst[rgboff+2] = CLAMP8(b);
-
- /* TOP RIGHT */
-
- /* top right luma contrib */
- y = src[lumoff + 1] << 1;
- y1 = FP(1.164) * y;
- y1 -= FP(16*256);
-
- b = (b1 + y1)>>16;
- g = (g1 + y1)>>16;
- r = (r1 + y1)>>16;
-
- /* store top right rgb pixel */
- dst[rgboff+3] = CLAMP8(r);
- dst[rgboff+4] = CLAMP8(g);
- dst[rgboff+5] = CLAMP8(b);
-
-
- /* BOTTOM LEFT */
-
- /* bottom left luma contrib */
- y = src[lumoff+w] << 1;
- y1 = FP(1.164) * y;
- y1 -= FP(16*256);
-
- b = (b1 + y1)>>16;
- g = (g1 + y1)>>16;
- r = (r1 + y1)>>16;
-
- /* store bottom left rgb pixel */
- dst[rgboff+rgbw+0] = CLAMP8(r);
- dst[rgboff+rgbw+1] = CLAMP8(g);
- dst[rgboff+rgbw+2] = CLAMP8(b);
-
- /* BOTTOM RIGHT */
-
- /* bottom right luma contrib */
- y = src[lumoff + w + 1] << 1;
- y1 = FP(1.164) * y;
- y1 -= FP(16*256);
-
- b = (b1 + y1)>>16;
- g = (g1 + y1)>>16;
- r = (r1 + y1)>>16;
-
- /* store bottom right rgb pixel */
- dst[rgboff+rgbw+3] = CLAMP8(r);
- dst[rgboff+rgbw+4] = CLAMP8(g);
- dst[rgboff+rgbw+5] = CLAMP8(b);
-
- }
-
- }
-
-}
-
-
-
-/* 8 bit rgb to 16 bit planar subsampled yvu */
-static void llconv_rgb2yvu_planar16sub(unsigned char* src, short int* dst, int w, int h)
-{
- int r,g,b,y,v,u,i,j,k;
- int size = w*h;
-
- int voffset = size;
- int uoffset = size + (size>>2);
-
-
- int loffset = w * 3;
-
- k=0;
- for (j=0; j<w*h; j+=(w<<1)){
- k = 3 * j;
- for (i=0; i<w; i+=2){
-
-
- // well, this seems to work... strange though
- r = src[k];
- g = src[k+1];
- b = src[k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j] = CLAMP16(y >> 1);
-
- r = src[k+3];
- g = src[k+4];
- b = src[k+5];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j+1] = CLAMP16(y >> 1);
-
-
-
- r = src[loffset + k];
- g = src[loffset + k+1];
- b = src[loffset + k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j] = CLAMP16(y >> 1);
-
- r = src[loffset + k+3];
- g = src[loffset + k+4];
- b = src[loffset + k+5];
-
- k += 6;
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j+1] = CLAMP16(y >> 1);
-
- dst[uoffset+ (i>>1) + (j>>2)] = (CLAMP16(u >> 1));
- dst[voffset+ (i>>1) + (j>>2)] = (CLAMP16(v >> 1));
- }
- }
-}
-
-
-/* 8 bit rgb to 8 bit planar subsampled yvu */
-static void llconv_rgb2yvu_planar8sub(unsigned char* src, unsigned char *dst, int w, int h)
-{
- int r,g,b,y,v,u,i,j,k;
- int size = w*h;
-
- int voffset = size;
- int uoffset = size + (size>>2);
-
-
- int loffset = w * 3;
-
- k=0;
- for (j=0; j<w*h; j+=(w<<1)){
- k = 3 * j;
- for (i=0; i<w; i+=2){
-
-
- // well, this seems to work... strange though
- r = src[k];
- g = src[k+1];
- b = src[k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j] = CLAMP8(y >> 8);
-
- r = src[k+3];
- g = src[k+4];
- b = src[k+5];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j+1] = CLAMP8(y >> 8);
-
-
-
- r = src[loffset + k];
- g = src[loffset + k+1];
- b = src[loffset + k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j] = CLAMP8(y >> 8);
-
- r = src[loffset + k+3];
- g = src[loffset + k+4];
- b = src[loffset + k+5];
-
- k += 6;
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j+1] = CLAMP8(y >> 8);
-
- dst[uoffset+ (i>>1) + (j>>2)] = (CLAMP8((u >> 9)+128));
- dst[voffset+ (i>>1) + (j>>2)] = (CLAMP8((v >> 9)+128));
- }
- }
-}
-
-
-/* 8 bit bgr to 16 bit planar subsampled yvu */
-static void llconv_bgr2yvu_planar16sub(unsigned char* src, short int* dst, int w, int h)
-{
- int r,g,b,y,v,u,i,j,k;
- int size = w*h;
-
- int voffset = size;
- int uoffset = size + (size>>2);
-
-
- int loffset = w * 3;
-
- k=0;
- for (j=0; j<w*h; j+=(w<<1)){
- k = 3 * j;
- for (i=0; i<w; i+=2){
-
-
- // well, this seems to work... strange though
- b = src[k];
- g = src[k+1];
- r = src[k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j] = CLAMP16(y >> 1);
-
- b = src[k+3];
- g = src[k+4];
- r = src[k+5];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[i+j+1] = CLAMP16(y >> 1);
-
-
-
- b = src[loffset + k];
- g = src[loffset + k+1];
- r = src[loffset + k+2];
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v = (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u = -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j] = CLAMP16(y >> 1);
-
- b = src[loffset + k+3];
- g = src[loffset + k+4];
- r = src[loffset + k+5];
-
- k += 6;
-
- y = (FP(0.257) * r) + (FP(0.504) * g) + (FP(0.098) * b) + FP(16);
- v += (FP(0.439) * r) - (FP(0.368) * g) - (FP(0.071) * b);
- u += -(FP(0.148) * r) - (FP(0.291) * g) + (FP(0.439) * b);
-
- dst[w+i+j+1] = CLAMP16(y >> 1);
-
- dst[uoffset+ (i>>1) + (j>>2)] = (CLAMP16(u >> 1));
- dst[voffset+ (i>>1) + (j>>2)] = (CLAMP16(v >> 1));
- }
- }
-}
-
-/* these seem to be pretty slow */
-
-static void llconv_yvu2rgb(unsigned char* src, unsigned char* dst, int nbpixels)
-{
- int r,g,b,y,v,u,i;
- for (i=0; i<nbpixels; i++){
- y = src[0];
- v = src[1];
- u = src[2];
-
-
- b = FP(1.164) * (y - 16) + FP(2.018) * (u - 128);
- g = FP(1.164) * (y - 16) - FP(0.813) * (v - 128) - FP(0.391) * (u - 128);
- r = FP(1.164) * (y - 16) + FP(1.596) * (v - 128);
-
- dst[0] = CLAMP(r>>8);
- dst[1] = CLAMP(g>>8);
- dst[2] = CLAMP(b>>8);
-
- src += 3;
- dst += 3;
- }
-}
-
-
-
-/* convert yvu to yuyv */
-static void llconv_yvu2yuyv(unsigned char *src, unsigned char *dst, unsigned int nbpixels)
-{
- unsigned int y1, y2, u, v, i;
-
- for (i = 0; i < nbpixels/2; i++){
-
- y1 = src[0];
- y2 = src[3];
- v = (src[1] + src[4]) >> 1;
- u = (src[2] + src[5]) >> 1;
- dst[0] = y1;
- dst[1] = u;
- dst[2] = y2;
- dst[3] = v;
-
- src += 6;
- dst += 4;
-
- }
-
-}
-
-
-
-/* convert yuvu packed 8 bit unsigned to yv12 planar 16bit signed */
-static void llconv_yuyv_packed_u8s16(unsigned char* ucsource, short int *sidest, unsigned int w, unsigned int h)
-{
- unsigned int i, j;
- unsigned int *source = (unsigned int *)ucsource;
-
- unsigned int *dest = (unsigned int *)sidest;
- unsigned int uoffset = (w*h)>>1;
- unsigned int voffset = (w*h + ((w*h) >> 2)) >> 1;
-
- for(j=0; j < (h*w)>>1; j +=(w)){
- for(i=0; i< (w>>1); i+=2){
- unsigned int y,u,v;
- unsigned int v00, v01, v10, v11;
- v00 = source[i+j];
- v01 = source[i+j+1];
- v10 = source[i+j+(w>>1)];
- v11 = source[i+j+(w>>1)+1];
-
- // save luma
- dest[i+j] = ((v00 & 0x00ff00ff) << 7);
- dest[i+j+1] = ((v01 & 0x00ff00ff) << 7);
- dest[i+j+(w>>1)] = ((v10 & 0x00ff00ff) << 7);
- dest[i+j+(w>>1)+1] = ((v11 & 0x00ff00ff) << 7);
-
- // compute chroma
-
- // mask out luma & shift right
- v00 = (v00 & 0xff00ff00)>>1;
- v01 = (v01 & 0xff00ff00)>>1;
- v10 = (v10 & 0xff00ff00)>>1;
- v11 = (v11 & 0xff00ff00)>>1;
-
- // average 2 scan lines
- v00 += v10;
- v01 += v11;
-
- // combine
- v = (v01 << 16) | (v00 & 0x0000ffff);
- u = (v01 & 0xffff0000) | (v00 >> 16);
-
- // flip sign bits for u,v
- u ^= 0x80008000;
- v ^= 0x80008000;
-
- // save chroma
- dest[uoffset + (i>>1) + (j>>2)] = u;
- dest[voffset + (i>>1) + (j>>2)] = v;
- }
- }
-
-
-}
-
-#define CONVERT(x,y) ((x) + ((y)<<16))
-
-void pdp_llconv(void *src, int stype, void *dst, int dtype, int w, int h)
-{
- int conversion = CONVERT(stype, dtype);
- void *tmpbuf;
-
- switch(CONVERT(stype, dtype)){
-
- case CONVERT( RIF_YVU__P411_U8, RIF_YVU__P411_S16 ):
- llconv_yvu_planar_u8s16((unsigned char*)src, (short int *)dst, w*h);
- break;
-
- case CONVERT( RIF_YUV__P411_U8, RIF_YVU__P411_S16 ):
- llconv_yuv_planar_u8s16((unsigned char*)src, (short int *)dst, w*h);
- break;
-
- case CONVERT( RIF_YUYV_P____U8, RIF_YVU__P411_S16 ):
- llconv_yuyv_packed_u8s16((unsigned char*)src, (short int *)dst, w, h);
- break;
-
- case CONVERT( RIF_RGB__P____U8, RIF_YVU__P411_U8 ):
- llconv_rgb2yvu_planar8sub((unsigned char*) src, (unsigned char*) dst, w, h);
- break;
-
- case CONVERT( RIF_RGB__P____U8, RIF_YVU__P411_S16 ):
- llconv_rgb2yvu_planar16sub((unsigned char*) src, (short int*) dst, w, h);
- break;
-
- case CONVERT( RIF_BGR__P____U8, RIF_YVU__P411_S16 ):
- llconv_bgr2yvu_planar16sub((unsigned char*) src, (short int*) dst, w, h);
- break;
-
- case CONVERT( RIF_YVU__P411_S16, RIF_RGB__P____U8 ):
- llconv_yvu16planar2rgbpacked((short int*) src, (unsigned char*) dst, w, h);
- break;
-
- case CONVERT( RIF_YVU__P411_S16, RIF_YVU__P411_U8 ):
- llconv_yvu_planar_s16u8((short int*)src, (unsigned char*)dst, w*h);
- break;
-
- case CONVERT( RIF_GREY______S16, RIF_GREY______U8 ):
- llconv_grey_s16u8((short int*)src, (unsigned char*)dst, w*h);
- break;
- default:
- post("pdp_llconv: WARNING: no conversion routine defined for (%d)->(%d)", stype, dtype);
-
- }
-
-}
-
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/system/image/pdp_llconv_mmx.c b/system/image/pdp_llconv_mmx.c
deleted file mode 100644
index 8070bac..0000000
--- a/system/image/pdp_llconv_mmx.c
+++ /dev/null
@@ -1,55 +0,0 @@
-
-/*
- * Pure Data Packet system implementation. : wrapper for mmx low level format conversion code
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-#include "pdp_mmx.h"
-
-
-
-/* convert greyscale 8 bit unsigned to 16bit signed */
-void llconv_grey_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- pixel_pack_s16u8_y(src, dst, nbpixels>>3);
-}
-
-/* convert yvu planar 411 16 bit signed to 8 bit unsigned */
-void llconv_yvu_planar_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- pixel_pack_s16u8_y(src, dst, nbpixels>>3);
- pixel_pack_s16u8_uv(src + nbpixels, dst + nbpixels, nbpixels>>4);
-}
-
-
-/* convert yvu planar 411 8 bit unsigned to yv12 planar 16bit signed */
-void llconv_yvu_planar_u8s16(unsigned char* source, short int *dest, int nbpixels)
-{
- pixel_unpack_u8s16_y(source, dest, nbpixels>>3);
- pixel_unpack_u8s16_uv(&source[nbpixels], &dest[nbpixels], nbpixels>>4);
-}
-
-/* convert yuv planar 411 8 bit unsigned to yv12 planar 16bit signed */
-void llconv_yuv_planar_u8s16(unsigned char* source, short int *dest, int nbpixels)
-{
- pixel_unpack_u8s16_y(source, dest, nbpixels>>3);
- pixel_unpack_u8s16_uv(&source[nbpixels], &dest[nbpixels + (nbpixels>>2)], nbpixels>>5);
- pixel_unpack_u8s16_uv(&source[nbpixels + (nbpixels>>2)], &dest[nbpixels], nbpixels>>5);
-}
-
diff --git a/system/image/pdp_llconv_portable.c b/system/image/pdp_llconv_portable.c
deleted file mode 100644
index f6d5a44..0000000
--- a/system/image/pdp_llconv_portable.c
+++ /dev/null
@@ -1,82 +0,0 @@
-
-/*
- * Pure Data Packet system implementation. : portable low level format conversion code
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#define CLAMP(x) (((x)<0) ? 0 : ((x>255)? 255 : (x)))
-#define FP(x) ((int)(((float)(x)) * 256.0f))
-
-void pixel_unpack_portable_u8s16_y(unsigned char *src ,short int *dst, unsigned int nbpixels)
-{
- unsigned int i;
- for (i=0; i<nbpixels; i++) dst[i] = ((short int)(src[i])) << 7;
-}
-
-void pixel_unpack_portable_u8s16_uv(unsigned char *src ,short int *dst, unsigned int nbpixels)
-{
- unsigned int i;
- for (i=0; i<nbpixels; i++) dst[i] = (((short int)(src[i])) << 8) ^ 0x8000;
-}
-
-
-void pixel_pack_portable_s16u8_y(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- unsigned int i;
- for (i=0; i<nbpixels; i++) dst[i] = (unsigned char)(CLAMP(src[i]>>7));
-}
-
-void pixel_pack_portable_s16u8_uv(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- unsigned int i;
- unsigned short *usrc = (unsigned short *)src;
- for (i=0; i<nbpixels; i++) dst[i] = ((usrc[i]^0x8000)>>8);
-}
-
-
-/* convert greyscale 8 bit unsigned to 16bit signed */
-void llconv_grey_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- pixel_pack_portable_s16u8_y(src, dst, nbpixels);
-}
-
-/* convert yvu planar 411 16 bit signed to 8 bit unsigned */
-void llconv_yvu_planar_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels)
-{
- pixel_pack_portable_s16u8_y(src, dst, nbpixels);
- pixel_pack_portable_s16u8_uv(src + nbpixels, dst + nbpixels, nbpixels>>1);
-
-}
-
-
-/* convert yvu planar 411 8 bit unsigned to yv12 planar 16bit signed */
-void llconv_yvu_planar_u8s16(unsigned char* source, short int *dest, int nbpixels)
-{
- pixel_unpack_portable_u8s16_y(source, dest, nbpixels);
- pixel_unpack_portable_u8s16_uv(&source[nbpixels], &dest[nbpixels], nbpixels>>1);
-}
-
-/* convert yuv planar 411 8 bit unsigned to yv12 planar 16bit signed */
-void llconv_yuv_planar_u8s16(unsigned char* source, short int *dest, int nbpixels)
-{
- pixel_unpack_portable_u8s16_y(source, dest, nbpixels);
- pixel_unpack_portable_u8s16_uv(&source[nbpixels], &dest[nbpixels + (nbpixels>>2)], nbpixels>>2);
- pixel_unpack_portable_u8s16_uv(&source[nbpixels + (nbpixels>>2)], &dest[nbpixels], nbpixels>>2);
-}
-
-
diff --git a/system/image/pdp_resample.c b/system/image/pdp_resample.c
deleted file mode 100644
index d2ffbcd..0000000
--- a/system/image/pdp_resample.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Pure Data Packet system file. - image resampling routines
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-#include "pdp_resample.h"
-#include "pdp.h"
-#include <string.h>
-
-/*
-
-efficient bilinear resampling ??
-performance: how to eliminate divides? -> virtual coordinates 2^k x 2^k (conf. opengl)
-
-i.e. 16 bit virtual coordinates: easy modular addressing
-
-*/
-
-
-/* code in this file should go out to be replaced by code in pdp_imageproc */
-
-static s32 pdp_resample_bilin(s16 *image, s32 width, s32 height, s32 virt_x, s32 virt_y)
-{
-
- s32 fp_x, fp_y, frac_x, frac_y, f, offset, r_1, r_2;
-
- virt_x &= 0xffff;
- virt_y &= 0xffff;
-
- fp_x = virt_x * (width - 1);
- fp_y = virt_y * (height - 1);
-
- frac_x = fp_x & (0xffff);
- frac_y = fp_y & (0xffff);
-
- offset = (fp_x >> 16) + (fp_y >> 16) * width;
- image += offset;
-
- f = 0x10000 - frac_x;
-
- r_1 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16;
-
- image += width;
-
- r_2 = ((f * (s32)(image[0]) + frac_x * (s32)(image[1])))>>16;
-
- f = 0x10000 - frac_y;
-
- return ((f * r_1 + frac_y * r_2)>>16);
-
-}
-
-
-void pdp_resample_scale_bilin(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h, s32 dst_w, s32 dst_h)
-{
- s32 i,j;
- s32 virt_x=0;
- s32 virt_y=0; /* virtual coordinates in 30 bit */
- s32 scale_x = 0x40000000 / dst_w;
- s32 scale_y = 0x40000000 / dst_h;
-
- for (j=0; j<dst_h; j++){
- for (i=0; i<dst_w; i++){
- *dst_image++ = pdp_resample_bilin(src_image, src_w, src_h, virt_x>>14, virt_y>>14);
- virt_x += scale_x;
- }
- virt_x = 0;
- virt_y += scale_y;
- }
-
-}
-
-void pdp_resample_scale_nn(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h, s32 dst_w, s32 dst_h)
-{
- s32 i,j;
- s32 x=0;
- s32 y=0;
- s32 frac_x=0;
- s32 frac_y=0;
- s32 scale_x = (src_w << 20 ) / dst_w;
- s32 scale_y = (src_h << 20 ) / dst_h;
-
- for (j=0; j<dst_h; j++){
- for (i=0; i<dst_w; i++){
- *dst_image++ = src_image[x+y];
- frac_x += scale_x;
- x = frac_x >> 20;
- }
- x = 0;
- frac_x = 0;
- frac_y += scale_y;
- y = (frac_y >> 20) * src_w;
- }
-
-}
-
-/* USE pdp_resample_affinemap
-void pdp_resample_zoom_tiled_bilin(s16 *src_image, s16 *dst_image, s32 w, s32 h,
- float zoom_x, float zoom_y, float center_x_relative, float center_y_relative)
-{
- float izx = 1.0f / zoom_x;
- float izy = 1.0f / zoom_y;
- s32 scale_x = (s32)((float)0x100000 * izx / (float)w);
- s32 scale_y = (s32)((float)0x100000 * izy / (float)h);
-
- s32 top_virt_x = (s32)((1.0f - izx) * (float)0x100000 * center_x_relative);
- s32 top_virt_y = (s32)((1.0f - izy) * (float)0x100000 * center_y_relative);
-
- s32 virt_x = top_virt_x;
- s32 virt_y = top_virt_y;
-
- s32 i,j;
-
- for (j=0; j<h; j++){
- for (i=0; i<w; i++){
- *dst_image++ = pdp_resample_bilin(src_image, w, h, virt_x>>4, virt_y>>4);
- virt_x += scale_x;
- }
- virt_x = top_virt_x;
- virt_y += scale_y;
- }
-
-}
-*/
-
-void pdp_resample_halve(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h)
-{
-
- int dst_x,dst_y;
- int src_x = 0;
- int src_y = 0;
- int dst_w = src_w >> 1;
- int dst_h = src_h >> 1;
- s32 tmp1,tmp2,tmp3,tmp4;
-
- //post("%x %x %d %d\n", src_image, dst_image, src_w, src_h);
-
- for(dst_y = 0; dst_y < dst_h * dst_w; dst_y += dst_w){
- for (dst_x = 0; dst_x < dst_w; dst_x++){
-
- tmp1 = (s32)src_image[src_y + src_x];
- tmp2 = (s32)src_image[src_y + src_x + 1];
- tmp3 = (s32)src_image[src_y + src_x + src_w];
- tmp4 = (s32)src_image[src_y + src_x + src_w + 1];
-
- tmp1 += tmp2;
- tmp3 += tmp4;
-
- src_x += 2;
-
- dst_image[dst_x+dst_y] = (s16)((tmp1 + tmp3)>>2);
- }
- src_y += src_w << 1;
- src_x = 0;
- }
-}
-
-void pdp_resample_double(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h)
-{
- int src_x = 0;
- int src_y = 0;
- int dst = 0;
- int dst_w = src_w << 1;
-
- s16 tmp;
-
- for(src_y = 0; src_y < src_h * src_w; src_y += src_w){
- for (src_x = 0; src_x < src_w; src_x++){
-
- tmp = *src_image++;
- dst = (src_y << 2) + (src_x << 1);
- dst_image[dst] = tmp;
- dst_image[dst+1] = tmp;
- dst+=dst_w;
- dst_image[dst] = tmp;
- dst_image[dst+1] = tmp;
- }
- }
-}
-
-/* $$$TODO: finish this */
-void pdp_resample_padcrop(s16 *src_image, s16 *dst_image, s32 src_w, s32 src_h, s32 dst_w, s32 dst_h)
-{
-
- int shift_x = (dst_w - src_w) / 2;
- int shift_y = (dst_h - src_h) / 2;
-}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-14 08:50:41 +0000