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/************************************************************************** |
/************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* image stuff |
* - Image management functions - |
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* |
* |
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* This program is an implementation of a part of one or more MPEG-4 |
* Copyright(C) 2001-2003 Peter Ross <pross@xvid.org> |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
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* any such use would be at such party's own risk. The original |
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* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
* |
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* This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
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* |
* |
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* You should have received a copy of the GNU General Public License |
* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
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*************************************************************************/ |
* $Id: image.c,v 1.26.2.13 2003-12-20 22:20:54 edgomez Exp $ |
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/************************************************************************** |
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* |
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* History: |
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* |
* |
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* 05.10.2002 support for interpolated images in qpel mode - Isibaar |
****************************************************************************/ |
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* 01.05.2002 BFRAME image-based u,v interpolation |
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* 22.04.2002 added some B-frame support |
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* 14.04.2002 added image_dump_yuvpgm(), added image_mad() |
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* XVID_CSP_USER input support |
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* 09.04.2002 PSNR calculations - Isibaar |
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* 06.04.2002 removed interlaced edging from U,V blocks (as per spec) |
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* 26.03.2002 interlacing support (field-based edging in set_edges) |
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* 26.01.2002 rgb555, rgb565 |
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* 07.01.2001 commented u,v interpolation (not required for uv-block-based) |
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* 23.12.2001 removed #ifdefs, added function pointers + init_common() |
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* 22.12.2001 cpu #ifdefs |
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* 19.12.2001 image_dump(); useful for debugging |
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* 6.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
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* |
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*************************************************************************/ |
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#include <stdlib.h> |
#include <stdlib.h> |
27 |
#include <string.h> // memcpy, memset |
#include <string.h> /* memcpy, memset */ |
28 |
#include <math.h> |
#include <math.h> |
29 |
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30 |
#include "../portab.h" |
#include "../portab.h" |
31 |
#include "../global.h" // XVID_CSP_XXX's |
#include "../global.h" /* XVID_CSP_XXX's */ |
32 |
#include "../xvid.h" // XVID_CSP_XXX's |
#include "../xvid.h" /* XVID_CSP_XXX's */ |
33 |
#include "image.h" |
#include "image.h" |
34 |
#include "colorspace.h" |
#include "colorspace.h" |
35 |
#include "interpolate8x8.h" |
#include "interpolate8x8.h" |
36 |
#include "reduced.h" |
#include "reduced.h" |
37 |
#include "../utils/mem_align.h" |
#include "../utils/mem_align.h" |
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#include "font.h" // XXX: remove later |
#include "font.h" /* XXX: remove later */ |
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41 |
#define SAFETY 64 |
#define SAFETY 64 |
42 |
#define EDGE_SIZE2 (EDGE_SIZE/2) |
#define EDGE_SIZE2 (EDGE_SIZE/2) |
49 |
{ |
{ |
50 |
const uint32_t edged_width2 = edged_width / 2; |
const uint32_t edged_width2 = edged_width / 2; |
51 |
const uint32_t edged_height2 = edged_height / 2; |
const uint32_t edged_height2 = edged_height / 2; |
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uint32_t i; |
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52 |
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53 |
image->y = |
image->y = |
54 |
xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE); |
xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE); |
55 |
if (image->y == NULL) { |
if (image->y == NULL) { |
56 |
return -1; |
return -1; |
57 |
} |
} |
58 |
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memset(image->y, 0, edged_width * (edged_height + 1) + SAFETY); |
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for (i = 0; i < edged_width * edged_height + SAFETY; i++) { |
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image->y[i] = 0; |
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} |
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60 |
image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
61 |
if (image->u == NULL) { |
if (image->u == NULL) { |
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xvid_free(image->y); |
xvid_free(image->y); |
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image->y = NULL; |
64 |
return -1; |
return -1; |
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} |
} |
66 |
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memset(image->u, 0, edged_width2 * edged_height2 + SAFETY); |
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image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
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if (image->v == NULL) { |
if (image->v == NULL) { |
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xvid_free(image->u); |
xvid_free(image->u); |
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image->u = NULL; |
72 |
xvid_free(image->y); |
xvid_free(image->y); |
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image->y = NULL; |
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return -1; |
return -1; |
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} |
} |
76 |
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memset(image->v, 0, edged_width2 * edged_height2 + SAFETY); |
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image->y += EDGE_SIZE * edged_width + EDGE_SIZE; |
image->y += EDGE_SIZE * edged_width + EDGE_SIZE; |
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image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; |
image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; |
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if (image->y) { |
if (image->y) { |
95 |
xvid_free(image->y - (EDGE_SIZE * edged_width + EDGE_SIZE)); |
xvid_free(image->y - (EDGE_SIZE * edged_width + EDGE_SIZE)); |
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image->y = NULL; |
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} |
} |
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if (image->u) { |
if (image->u) { |
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xvid_free(image->u - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); |
xvid_free(image->u - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); |
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image->u = NULL; |
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} |
} |
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if (image->v) { |
if (image->v) { |
103 |
xvid_free(image->v - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); |
xvid_free(image->v - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); |
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image->v = NULL; |
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} |
} |
106 |
} |
} |
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uint32_t height) |
uint32_t height) |
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{ |
{ |
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const uint32_t edged_width2 = edged_width / 2; |
const uint32_t edged_width2 = edged_width / 2; |
139 |
const uint32_t width2 = width / 2; |
uint32_t width2; |
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uint32_t i; |
uint32_t i; |
141 |
uint8_t *dst; |
uint8_t *dst; |
142 |
uint8_t *src; |
uint8_t *src; |
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dst = image->y - (EDGE_SIZE + EDGE_SIZE * edged_width); |
dst = image->y - (EDGE_SIZE + EDGE_SIZE * edged_width); |
146 |
src = image->y; |
src = image->y; |
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148 |
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/* According to the Standard Clause 7.6.4, padding is done starting at 16 |
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* pixel width and height multiples */ |
150 |
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width = (width+15)&~15; |
151 |
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height = (height+15)&~15; |
152 |
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width2 = width/2; |
153 |
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154 |
for (i = 0; i < EDGE_SIZE; i++) { |
for (i = 0; i < EDGE_SIZE; i++) { |
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memset(dst, *src, EDGE_SIZE); |
memset(dst, *src, EDGE_SIZE); |
156 |
memcpy(dst + EDGE_SIZE, src, width); |
memcpy(dst + EDGE_SIZE, src, width); |
176 |
} |
} |
177 |
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178 |
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179 |
//U |
/* U */ |
180 |
dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
181 |
src = image->u; |
src = image->u; |
182 |
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204 |
} |
} |
205 |
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206 |
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207 |
// V |
/* V */ |
208 |
dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
209 |
src = image->v; |
src = image->v; |
210 |
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232 |
} |
} |
233 |
} |
} |
234 |
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// bframe encoding requires image-based u,v interpolation |
/* bframe encoding requires image-based u,v interpolation */ |
236 |
void |
void |
237 |
image_interpolate(const IMAGE * refn, |
image_interpolate(const IMAGE * refn, |
238 |
IMAGE * refh, |
IMAGE * refh, |
243 |
uint32_t quarterpel, |
uint32_t quarterpel, |
244 |
uint32_t rounding) |
uint32_t rounding) |
245 |
{ |
{ |
246 |
const uint32_t offset = EDGE_SIZE2 * (edged_width + 1); // we only interpolate half of the edge area |
const uint32_t offset = EDGE_SIZE2 * (edged_width + 1); /* we only interpolate half of the edge area */ |
247 |
const uint32_t stride_add = 7 * edged_width; |
const uint32_t stride_add = 7 * edged_width; |
248 |
/* |
#if 0 |
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#ifdef BFRAMES |
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249 |
const uint32_t edged_width2 = edged_width / 2; |
const uint32_t edged_width2 = edged_width / 2; |
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const uint32_t edged_height2 = edged_height / 2; |
const uint32_t edged_height2 = edged_height / 2; |
251 |
const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); |
const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); |
252 |
const uint32_t stride_add2 = 7 * edged_width2; |
const uint32_t stride_add2 = 7 * edged_width2; |
253 |
#endif |
#endif |
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*/ |
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uint8_t *n_ptr, *h_ptr, *v_ptr, *hv_ptr; |
uint8_t *n_ptr, *h_ptr, *v_ptr, *hv_ptr; |
255 |
uint32_t x, y; |
uint32_t x, y; |
256 |
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258 |
n_ptr = refn->y; |
n_ptr = refn->y; |
259 |
h_ptr = refh->y; |
h_ptr = refh->y; |
260 |
v_ptr = refv->y; |
v_ptr = refv->y; |
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hv_ptr = refhv->y; |
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261 |
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262 |
n_ptr -= offset; |
n_ptr -= offset; |
263 |
h_ptr -= offset; |
h_ptr -= offset; |
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v_ptr -= offset; |
v_ptr -= offset; |
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hv_ptr -= offset; |
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265 |
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266 |
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/* Note we initialize the hv pointer later, as we can optimize code a bit |
267 |
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* doing it down to up in quarterpel and up to down in halfpel */ |
268 |
if(quarterpel) { |
if(quarterpel) { |
269 |
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270 |
for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
286 |
n_ptr += stride_add; |
n_ptr += stride_add; |
287 |
} |
} |
288 |
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289 |
h_ptr = refh->y; |
h_ptr = refh->y + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; |
290 |
h_ptr -= offset; |
hv_ptr = refhv->y + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; |
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292 |
for (y = 0; y < (edged_height - EDGE_SIZE); y = y + 8) { |
for (y = 0; y < (edged_height - EDGE_SIZE); y = y + 8) { |
293 |
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hv_ptr -= stride_add; |
294 |
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h_ptr -= stride_add; |
295 |
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hv_ptr -= EDGE_SIZE; |
296 |
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h_ptr -= EDGE_SIZE; |
297 |
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298 |
for (x = 0; x < (edged_width - EDGE_SIZE); x = x + 8) { |
for (x = 0; x < (edged_width - EDGE_SIZE); x = x + 8) { |
299 |
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hv_ptr -= 8; |
300 |
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h_ptr -= 8; |
301 |
interpolate8x8_6tap_lowpass_v(hv_ptr, h_ptr, edged_width, rounding); |
interpolate8x8_6tap_lowpass_v(hv_ptr, h_ptr, edged_width, rounding); |
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hv_ptr += 8; |
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h_ptr += 8; |
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} |
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hv_ptr += EDGE_SIZE; |
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h_ptr += EDGE_SIZE; |
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hv_ptr += stride_add; |
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h_ptr += stride_add; |
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302 |
} |
} |
303 |
} |
} |
304 |
else { |
} else { |
305 |
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306 |
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hv_ptr = refhv->y; |
307 |
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hv_ptr -= offset; |
308 |
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309 |
for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
310 |
for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { |
for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { |
545 |
const int edged_width2 = edged_width/2; |
const int edged_width2 = edged_width/2; |
546 |
const int width2 = width/2; |
const int width2 = width/2; |
547 |
const int height2 = height/2; |
const int height2 = height/2; |
548 |
//const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; |
#if 0 |
549 |
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const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; |
550 |
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#endif |
551 |
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552 |
switch (csp & ~XVID_CSP_VFLIP) { |
switch (csp & ~XVID_CSP_VFLIP) { |
553 |
case XVID_CSP_RGB555: |
case XVID_CSP_RGB555: |
599 |
interlacing?rgbai_to_yv12_c:rgba_to_yv12_c, 4); |
interlacing?rgbai_to_yv12_c:rgba_to_yv12_c, 4); |
600 |
break; |
break; |
601 |
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602 |
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case XVID_CSP_ARGB: |
603 |
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safe_packed_conv( |
604 |
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src[0], src_stride[0], image->y, image->u, image->v, |
605 |
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edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
606 |
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interlacing?argbi_to_yv12 : argb_to_yv12, |
607 |
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interlacing?argbi_to_yv12_c: argb_to_yv12_c, 4); |
608 |
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break; |
609 |
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610 |
case XVID_CSP_YUY2: |
case XVID_CSP_YUY2: |
611 |
safe_packed_conv( |
safe_packed_conv( |
612 |
src[0], src_stride[0], image->y, image->u, image->v, |
src[0], src_stride[0], image->y, image->u, image->v, |
631 |
interlacing?uyvyi_to_yv12_c:uyvy_to_yv12_c, 2); |
interlacing?uyvyi_to_yv12_c:uyvy_to_yv12_c, 2); |
632 |
break; |
break; |
633 |
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|
634 |
case XVID_CSP_I420: |
case XVID_CSP_I420: /* YCrCb == internal colorspace for MPEG */ |
635 |
yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, |
yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, |
636 |
src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
637 |
src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); |
src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); |
638 |
break |
break; |
639 |
; |
|
640 |
case XVID_CSP_YV12: /* u/v swapped */ |
case XVID_CSP_YV12: /* YCbCr == U and V plane swapped */ |
641 |
yv12_to_yv12(image->y, image->v, image->u, edged_width, edged_width2, |
yv12_to_yv12(image->y, image->v, image->u, edged_width, edged_width2, |
642 |
src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
643 |
src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); |
src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); |
644 |
break; |
break; |
645 |
|
|
646 |
case XVID_CSP_USER: |
case XVID_CSP_USER : /* YCrCb with arbitrary pointers and different strides for Y and UV */ |
|
/*XXX: support for different u & v strides */ |
|
647 |
yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, |
yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, |
648 |
src[0], src[1], src[2], src_stride[0], src_stride[1], |
src[0], src[1], src[2], src_stride[0], src_stride[1], /* v: dst_stride[2] not yet supported */ |
649 |
width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
650 |
break; |
break; |
651 |
|
|
775 |
interlacing?yv12_to_rgbai_c:yv12_to_rgba_c, 4); |
interlacing?yv12_to_rgbai_c:yv12_to_rgba_c, 4); |
776 |
return 0; |
return 0; |
777 |
|
|
778 |
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case XVID_CSP_ARGB: |
779 |
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safe_packed_conv( |
780 |
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dst[0], dst_stride[0], image->y, image->u, image->v, |
781 |
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edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
782 |
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interlacing?yv12_to_argbi :yv12_to_argb, |
783 |
|
interlacing?yv12_to_argbi_c:yv12_to_argb_c, 4); |
784 |
|
return 0; |
785 |
|
|
786 |
case XVID_CSP_YUY2: |
case XVID_CSP_YUY2: |
787 |
safe_packed_conv( |
safe_packed_conv( |
788 |
dst[0], dst_stride[0], image->y, image->u, image->v, |
dst[0], dst_stride[0], image->y, image->u, image->v, |
791 |
interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); |
interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); |
792 |
return 0; |
return 0; |
793 |
|
|
794 |
case XVID_CSP_YVYU: // u,v swapped |
case XVID_CSP_YVYU: /* u,v swapped */ |
795 |
safe_packed_conv( |
safe_packed_conv( |
796 |
dst[0], dst_stride[0], image->y, image->v, image->u, |
dst[0], dst_stride[0], image->y, image->v, image->u, |
797 |
edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
807 |
interlacing?yv12_to_uyvyi_c:yv12_to_uyvy_c, 2); |
interlacing?yv12_to_uyvyi_c:yv12_to_uyvy_c, 2); |
808 |
return 0; |
return 0; |
809 |
|
|
810 |
case XVID_CSP_I420: |
case XVID_CSP_I420: /* YCrCb == internal colorspace for MPEG */ |
811 |
yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
812 |
dst_stride[0], dst_stride[0]/2, |
dst_stride[0], dst_stride[0]/2, |
813 |
image->y, image->u, image->v, edged_width, edged_width2, |
image->y, image->u, image->v, edged_width, edged_width2, |
814 |
width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
815 |
return 0; |
return 0; |
816 |
|
|
817 |
case XVID_CSP_YV12: // u,v swapped |
case XVID_CSP_YV12: /* YCbCr == U and V plane swapped */ |
818 |
yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
819 |
dst_stride[0], dst_stride[0]/2, |
dst_stride[0], dst_stride[0]/2, |
820 |
image->y, image->v, image->u, edged_width, edged_width2, |
image->y, image->v, image->u, edged_width, edged_width2, |
821 |
width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
822 |
return 0; |
return 0; |
823 |
|
|
824 |
case XVID_CSP_USER : // u,v swapped |
case XVID_CSP_USER : /* YCrCb with arbitrary pointers and different strides for Y and UV */ |
825 |
yv12_to_yv12(dst[0], dst[1], dst[2], |
yv12_to_yv12(dst[0], dst[1], dst[2], |
826 |
dst_stride[0], dst_stride[1], /* v: dst_stride[2] */ |
dst_stride[0], dst_stride[1], /* v: dst_stride[2] not yet supported */ |
827 |
image->y, image->v, image->u, edged_width, edged_width2, |
image->y, image->u, image->v, edged_width, edged_width2, |
828 |
width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
829 |
return 0; |
return 0; |
830 |
|
|
884 |
if (sse==0) |
if (sse==0) |
885 |
return 99.99F; |
return 99.99F; |
886 |
|
|
887 |
return 48.131F - 10*(float)log10((float)sse/(float)(pixels)); // log10(255*255)=4.8131 |
return 48.131F - 10*(float)log10((float)sse/(float)(pixels)); /* log10(255*255)=4.8131 */ |
888 |
|
|
889 |
} |
} |
890 |
|
|
908 |
return sse; |
return sse; |
909 |
} |
} |
910 |
|
|
911 |
/* |
#if 0 |
912 |
|
|
913 |
#include <stdio.h> |
#include <stdio.h> |
914 |
#include <string.h> |
#include <string.h> |
932 |
} |
} |
933 |
|
|
934 |
|
|
935 |
// dump image+edges to yuv pgm files |
/* dump image+edges to yuv pgm files */ |
936 |
|
|
937 |
int image_dump(IMAGE * image, uint32_t edged_width, uint32_t edged_height, char * path, int number) |
int image_dump(IMAGE * image, uint32_t edged_width, uint32_t edged_height, char * path, int number) |
938 |
{ |
{ |
955 |
|
|
956 |
return 0; |
return 0; |
957 |
} |
} |
958 |
*/ |
#endif |
959 |
|
|
960 |
|
|
961 |
|
|