void boxblurYUV(unsigned char* dest, const unsigned char* src,
unsigned char* buffer, const DSFrameInfo* fi,
unsigned int size, BoxBlurColorMode colormode){
int localbuffer=0;
int size2;
int offset = fi->width * fi->height;
if(size<2){
if(dest!=buffer)
memcpy(dest,src,fi->framesize);
return;
}
if(buffer==0){
buffer=(unsigned char*) ds_malloc(fi->framesize);
localbuffer=1;
}
// odd and larger than 2 and maximally half of smaller image dimension
size = DS_CLAMP((size/2)*2+1,3,DS_MIN(fi->height/2,fi->width/2));
//printf("%i\n",size);
// luminance
boxblur_hori_C(buffer, src, fi->width, fi->height, fi->strive, size);
boxblur_vert_C(dest, buffer, fi->width, fi->height, fi->strive, size);
size2 = size/2+1; // odd and larger than 0
switch (colormode){
case BoxBlurColor:
// color
if(size2>1){
boxblur_hori_C(buffer+offset, src+offset,
fi->width/2, fi->height/2, fi->strive/2, size2);
boxblur_hori_C(buffer+5*offset/4, src+5*offset/4,
fi->width/2, fi->height/2, fi->strive/2, size2);
boxblur_vert_C(dest+offset, buffer+offset,
fi->width/2, fi->height/2, fi->strive/2, size2);
boxblur_vert_C(dest+5*offset/4, buffer+5*offset/4,
fi->width/2, fi->height/2, fi->strive/2, size2);
}
break;
case BoxBlurKeepColor:
// copy both color channels
memcpy(dest+offset, src+offset, 2*(fi->strive / 2) * (fi->height / 2));
case BoxBlurNoColor: // do nothing
default:
break;
}
if(localbuffer)
ds_free(buffer);
}
dlist *create_dlist(unsigned int num_nodes)
{
if (0 == num_nodes)
{
return NULL;
}
else
{
dlist_node *p_node = (dlist_node *)ds_malloc(sizeof(dlist_node));
p_node->id = num_nodes;
p_node->next = p_node->pre = NULL;
return grow_dlist_from_head(create_dlist(num_nodes-1), p_node);
}
}
static int ReadFile(char const *name, byte **buffer, int mallocType)
{
// AREIS BEGIN
#if !defined( _HEXENDS ) && !defined( _IPHONE ) //rww begin
int handle, count, length;
struct stat fileinfo;
byte *buf;
handle = open(name, O_RDONLY|O_BINARY, 0666);
if(handle == -1)
{
I_Error("Couldn't read file %s", name);
}
if(fstat(handle, &fileinfo) == -1)
{
I_Error("Couldn't read file %s", name);
}
length = fileinfo.st_size;
if(mallocType == MALLOC_ZONE)
{ // Use zone memory allocation
buf = Z_Malloc(length, PU_STATIC, NULL);
}
else
{ // Use c library memory allocation
buf = ds_malloc(length); //rww malloc->ds_malloc
if(buf == NULL)
{
I_Error("Couldn't malloc buffer %d for file %s.",
length, name);
}
}
count = read(handle, buf, length);
close(handle);
if(count < length)
{
I_Error("Couldn't read file %s", name);
}
*buffer = buf;
return length;
#else
return -1;
#endif //rww end
// AREIS END
}
/* tries to register current frame onto previous frame.
* Algorithm:
* discards fields with low contrast
* select maxfields fields according to their contrast
* check theses fields for vertical and horizontal transformation
* use minimal difference of all possible positions
* calculate shift as cleaned mean of all remaining fields
* calculate rotation angle of each field in respect to center of fields
* after shift removal
* calculate rotation angle as cleaned mean of all angles
* compensate for possibly off-center rotation
*/
Transform calcTransFields(MotionDetect* md, calcFieldTransFunc fieldfunc,
contrastSubImgFunc contrastfunc) {
Transform* ts = (Transform*) ds_malloc(sizeof(Transform) * md->fieldNum);
Field** fs = (Field**) ds_malloc(sizeof(Field*) * md->fieldNum);
double *angles = (double*) ds_malloc(sizeof(double) * md->fieldNum);
int i, index = 0, num_trans;
Transform t;
#ifdef STABVERBOSE
FILE *file = NULL;
char buffer[32];
ds_snprintf(buffer, sizeof(buffer), "k%04i.dat", md->frameNum);
file = fopen(buffer, "w");
fprintf(file, "# plot \"%s\" w l, \"\" every 2:1:0\n", buffer);
#endif
DSVector goodflds = selectfields(md, contrastfunc);
// use all "good" fields and calculate optimal match to previous frame
#ifdef USE_OMP
#pragma omp parallel for shared(goodflds, md, ts, fs) // does not bring speedup
#endif
for(index=0; index < ds_vector_size(&goodflds); index++){
int i = ((contrast_idx*)ds_vector_get(&goodflds,index))->index;
t = fieldfunc(md, &md->fields[i], i); // e.g. calcFieldTransYUV
#ifdef STABVERBOSE
fprintf(file, "%i %i\n%f %f %i\n \n\n", md->fields[i].x, md->fields[i].y,
md->fields[i].x + t.x, md->fields[i].y + t.y, t.extra);
#endif
if (t.extra != -1) { // ignore if extra == -1 (unused at the moment)
ts[index] = t;
fs[index] = md->fields + i;
}
}
t = null_transform();
num_trans = ds_vector_size(&goodflds); // amount of transforms we actually have
ds_vector_del(&goodflds);
if (num_trans < 1) {
ds_log_warn(md->modName, "too low contrast! No field remains.\n"
"(no translations are detected in frame %i)", md->frameNum);
return t;
}
int center_x = 0;
int center_y = 0;
// calc center point of all remaining fields
for (i = 0; i < num_trans; i++) {
center_x += fs[i]->x;
center_y += fs[i]->y;
}
center_x /= num_trans;
center_y /= num_trans;
if (md->show) { // draw fields and transforms into frame.
// this has to be done one after another to handle possible overlap
if (md->show > 1) {
for (i = 0; i < num_trans; i++)
drawFieldScanArea(md, fs[i], &ts[i]);
}
for (i = 0; i < num_trans; i++)
drawField(md, fs[i], &ts[i]);
for (i = 0; i < num_trans; i++)
drawFieldTrans(md, fs[i], &ts[i]);
}
/* median over all transforms
t= median_xy_transform(ts, md->field_num);*/
// cleaned mean
t = cleanmean_xy_transform(ts, num_trans);
// substract avg
for (i = 0; i < num_trans; i++) {
ts[i] = sub_transforms(&ts[i], &t);
}
// figure out angle
if (md->fieldNum < 6) {
// the angle calculation is inaccurate for 5 and less fields
t.alpha = 0;
} else {
for (i = 0; i < num_trans; i++) {
angles[i] = calcAngle(md, fs[i], &ts[i], center_x, center_y);
}
double min, max;
t.alpha = -cleanmean(angles, num_trans, &min, &max);
if (max - min > md->maxAngleVariation) {
t.alpha = 0;
ds_log_info(md->modName, "too large variation in angle(%f)\n",
max-min);
}
}
// compensate for off-center rotation
double p_x = (center_x - md->fi.width / 2);
double p_y = (center_y - md->fi.height / 2);
t.x += (cos(t.alpha) - 1) * p_x - sin(t.alpha) * p_y;
t.y += sin(t.alpha) * p_x + (cos(t.alpha) - 1) * p_y;
#ifdef STABVERBOSE
fclose(file);
#endif
return t;
}
/* select only the best 'maxfields' fields
first calc contrasts then select from each part of the
frame a some fields
*/
DSVector selectfields(MotionDetect* md, contrastSubImgFunc contrastfunc) {
int i, j;
DSVector goodflds;
contrast_idx *ci =
(contrast_idx*) ds_malloc(sizeof(contrast_idx) * md->fieldNum);
ds_vector_init(&goodflds, md->fieldNum);
// we split all fields into row+1 segments and take from each segment
// the best fields
int numsegms = (md->fieldRows + 1);
int segmlen = md->fieldNum / (md->fieldRows + 1) + 1;
// split the frame list into rows+1 segments
contrast_idx *ci_segms =
(contrast_idx*) ds_malloc(sizeof(contrast_idx) * md->fieldNum);
int remaining = 0;
// calculate contrast for each field
// #pragma omp parallel for shared(ci,md) no speedup because to short
for (i = 0; i < md->fieldNum; i++) {
ci[i].contrast = contrastfunc(md, &md->fields[i]);
ci[i].index = i;
if (ci[i].contrast < md->contrastThreshold)
ci[i].contrast = 0;
// else printf("%i %lf\n", ci[i].index, ci[i].contrast);
}
memcpy(ci_segms, ci, sizeof(contrast_idx) * md->fieldNum);
// get best fields from each segment
for (i = 0; i < numsegms; i++) {
int startindex = segmlen * i;
int endindex = segmlen * (i + 1);
endindex = endindex > md->fieldNum ? md->fieldNum : endindex;
//printf("Segment: %i: %i-%i\n", i, startindex, endindex);
// sort within segment
qsort(ci_segms + startindex, endindex - startindex,
sizeof(contrast_idx), cmp_contrast_idx);
// take maxfields/numsegms
for (j = 0; j < md->maxFields / numsegms; j++) {
if (startindex + j >= endindex)
continue;
// printf("%i %lf\n", ci_segms[startindex+j].index,
// ci_segms[startindex+j].contrast);
if (ci_segms[startindex + j].contrast > 0) {
ds_vector_append_dup(&goodflds, &ci[ci_segms[startindex+j].index],
sizeof(contrast_idx));
// don't consider them in the later selection process
ci_segms[startindex + j].contrast = 0;
}
}
}
// check whether enough fields are selected
// printf("Phase2: %i\n", ds_list_size(goodflds));
remaining = md->maxFields - ds_vector_size(&goodflds);
if (remaining > 0) {
// take the remaining from the leftovers
qsort(ci_segms, md->fieldNum, sizeof(contrast_idx), cmp_contrast_idx);
for (j = 0; j < remaining; j++) {
if (ci_segms[j].contrast > 0) {
ds_vector_append_dup(&goodflds, &ci_segms[j], sizeof(contrast_idx));
}
}
}
// printf("Ende: %i\n", ds_list_size(goodflds));
ds_free(ci);
ds_free(ci_segms);
return goodflds;
}
void M_LoadDefaults(char *fileName)
{
int i;
int len;
FILE *f;
char def[80];
char strparm[100];
char *newstring;
int parm;
boolean isstring;
// Set everything to base values
numdefaults = sizeof(defaults)/sizeof(defaults[0]);
for(i = 0; i < numdefaults; i++)
{
*defaults[i].location = defaults[i].defaultvalue;
}
// Check for a custom config file
i = M_CheckParm("-config");
if(i && i < myargc-1)
{
strcpy(defaultfile, myargv[i+1]);
ST_Message("config file: %s\n", defaultfile);
}
else if(cdrom)
{
sprintf(defaultfile, "c:\\hexndata\\%s", fileName);
}
else
{
strcpy(defaultfile, fileName);
}
#ifndef _HEXENDS //rww begin FIXME - use sram
// Scan the config file
f = fopen(defaultfile, "r");
if(f)
{
while(!feof(f))
{
isstring = false;
if(fscanf(f, "%79s %[^\n]\n", def, strparm) == 2)
{
if(strparm[0] == '"')
{
// Get a string default
isstring = true;
len = strlen(strparm);
newstring = (char *)ds_malloc(len); //rww malloc->ds_malloc
if (newstring == NULL) I_Error("can't malloc newstring");
strparm[len-1] = 0;
strcpy(newstring, strparm+1);
}
else if(strparm[0] == '0' && strparm[1] == 'x')
{
sscanf(strparm+2, "%x", &parm);
}
else
{
sscanf(strparm, "%i", &parm);
}
for(i = 0; i < numdefaults; i++)
{
if(!strcmp(def, defaults[i].name))
{
if(!isstring)
{
*defaults[i].location = parm;
}
else
{
*defaults[i].location = (int)newstring;
}
break;
}
}
}
}
fclose (f);
}
#ifdef __WATCOMC__
// Translate the key scancodes
for(i = 0; i < numdefaults; i++)
{
if(defaults[i].scantranslate)
{
parm = *defaults[i].location;
defaults[i].untranslated = parm;
*defaults[i].location = scantokey[parm];
}
}
#endif
#endif //rww end
}
void M_FindResponseFile(void)
{
int i;
for(i = 1; i < myargc; i++)
{
#ifndef _HEXENDS //rww begin
if(myargv[i][0] == '@')
{
FILE *handle;
int size;
int k;
int index;
int indexinfile;
char *infile;
char *file;
char *moreargs[20];
char *firstargv;
// READ THE RESPONSE FILE INTO MEMORY
handle = fopen(&myargv[i][1], "rb");
if(!handle)
{
HEXENPRINTF("\nNo such response file!");
exit(1);
}
ST_Message("Found response file %s!\n",&myargv[i][1]);
fseek (handle,0,SEEK_END);
size = ftell(handle);
fseek (handle,0,SEEK_SET);
file = ds_malloc (size); //rww malloc->ds_malloc
fread (file,size,1,handle);
fclose (handle);
// KEEP ALL CMDLINE ARGS FOLLOWING @RESPONSEFILE ARG
for (index = 0,k = i+1; k < myargc; k++)
moreargs[index++] = myargv[k];
firstargv = myargv[0];
myargv = ds_malloc(sizeof(char *)*MAXARGVS); //rww malloc->ds_malloc
memset(myargv,0,sizeof(char *)*MAXARGVS);
myargv[0] = firstargv;
infile = file;
indexinfile = k = 0;
indexinfile++; // SKIP PAST ARGV[0] (KEEP IT)
do
{
myargv[indexinfile++] = infile+k;
while(k < size &&
((*(infile+k)>= ' '+1) && (*(infile+k)<='z')))
k++;
*(infile+k) = 0;
while(k < size &&
((*(infile+k)<= ' ') || (*(infile+k)>'z')))
k++;
} while(k < size);
for (k = 0;k < index;k++)
myargv[indexinfile++] = moreargs[k];
myargc = indexinfile;
// DISPLAY ARGS
if(M_CheckParm("-debug"))
{
ST_Message("%d command-line args:\n", myargc);
for(k = 1; k < myargc; k++)
{
ST_Message("%s\n", myargv[k]);
}
}
break;
}
#endif //rww end
}
}