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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 1.26.2.7 2003-06-09 13:53:50 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> |
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#include <string.h> // memcpy, memset |
#include <string.h> /* memcpy, memset */ |
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#include <math.h> |
#include <math.h> |
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#include "../portab.h" |
#include "../portab.h" |
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#include "../global.h" // XVID_CSP_XXX's |
#include "../global.h" /* XVID_CSP_XXX's */ |
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#include "../xvid.h" // XVID_CSP_XXX's |
#include "../xvid.h" /* XVID_CSP_XXX's */ |
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#include "image.h" |
#include "image.h" |
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#include "colorspace.h" |
#include "colorspace.h" |
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#include "interpolate8x8.h" |
#include "interpolate8x8.h" |
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#include "reduced.h" |
#include "reduced.h" |
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#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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#define SAFETY 64 |
#define SAFETY 64 |
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#define EDGE_SIZE2 (EDGE_SIZE/2) |
#define EDGE_SIZE2 (EDGE_SIZE/2) |
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} |
} |
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//U |
/* U */ |
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dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
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src = image->u; |
src = image->u; |
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} |
} |
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// V |
/* V */ |
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dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
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src = image->v; |
src = image->v; |
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} |
} |
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} |
} |
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// bframe encoding requires image-based u,v interpolation |
/* bframe encoding requires image-based u,v interpolation */ |
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void |
void |
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image_interpolate(const IMAGE * refn, |
image_interpolate(const IMAGE * refn, |
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IMAGE * refh, |
IMAGE * refh, |
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uint32_t quarterpel, |
uint32_t quarterpel, |
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uint32_t rounding) |
uint32_t rounding) |
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{ |
{ |
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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 */ |
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const uint32_t stride_add = 7 * edged_width; |
const uint32_t stride_add = 7 * edged_width; |
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/* |
#if 0 |
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#ifdef BFRAMES |
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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; |
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const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); |
const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); |
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const uint32_t stride_add2 = 7 * edged_width2; |
const uint32_t stride_add2 = 7 * edged_width2; |
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#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; |
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uint32_t x, y; |
uint32_t x, y; |
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#undef IMG_V |
#undef IMG_V |
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} |
} |
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DPRINTF(XVID_DEBUG_DEBUG,"chroma_optimized_pixels = %i/%i", pixels, width*height/4); |
DPRINTF(XVID_DEBUG_DEBUG,"chroma_optimized_pixels = %i/%i\n", pixels, width*height/4); |
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} |
} |
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const int edged_width2 = edged_width/2; |
const int edged_width2 = edged_width/2; |
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const int width2 = width/2; |
const int width2 = width/2; |
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const int height2 = height/2; |
const int height2 = height/2; |
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//const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; |
#if 0 |
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const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; |
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#endif |
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switch (csp & ~XVID_CSP_VFLIP) { |
switch (csp & ~XVID_CSP_VFLIP) { |
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case XVID_CSP_RGB555: |
case XVID_CSP_RGB555: |
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interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); |
interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); |
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return 0; |
return 0; |
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case XVID_CSP_YVYU: // u,v swapped |
case XVID_CSP_YVYU: /* u,v swapped */ |
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safe_packed_conv( |
safe_packed_conv( |
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dst[0], dst_stride[0], image->y, image->v, image->u, |
dst[0], dst_stride[0], image->y, image->v, image->u, |
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edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
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width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
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return 0; |
return 0; |
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case XVID_CSP_YV12: // u,v swapped |
case XVID_CSP_YV12: /* u,v swapped */ |
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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, |
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dst_stride[0], dst_stride[0]/2, |
dst_stride[0], dst_stride[0]/2, |
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image->y, image->v, image->u, edged_width, edged_width2, |
image->y, image->v, image->u, edged_width, edged_width2, |
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width, height, (csp & XVID_CSP_VFLIP)); |
width, height, (csp & XVID_CSP_VFLIP)); |
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return 0; |
return 0; |
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case XVID_CSP_USER : // u,v swapped |
case XVID_CSP_USER : /* u,v swapped */ |
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yv12_to_yv12(dst[0], dst[1], dst[2], |
yv12_to_yv12(dst[0], dst[1], dst[2], |
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dst_stride[0], dst_stride[1], /* v: dst_stride[2] */ |
dst_stride[0], dst_stride[1], /* v: dst_stride[2] */ |
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image->y, image->v, image->u, edged_width, edged_width2, |
image->y, image->v, image->u, edged_width, edged_width2, |
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if (sse==0) |
if (sse==0) |
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return 99.99F; |
return 99.99F; |
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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 */ |
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} |
} |
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return sse; |
return sse; |
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} |
} |
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/* |
#if 0 |
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#include <stdio.h> |
#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
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} |
} |
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// dump image+edges to yuv pgm files |
/* dump image+edges to yuv pgm files */ |
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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) |
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{ |
{ |
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return 0; |
return 0; |
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} |
} |
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*/ |
#endif |
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