void* kdb_malloc(int size) {
if (db_server) {
if (kdb_server_get_malloc(db_server)) {
return kdb_server_get_malloc(db_server)(size);
}
}
return create_raw(size);
}
buffer_t* buffer_create(uint32_t size) {
buffer_t* sb = create(buffer_t);
assert(sb);
sb->ptr = create_raw(size);
assert(sb->ptr);
sb->pos = 0;
sb->len = size;
return sb;
}
void _trie_node_set_real_key(ktrie_node_t* node, const char* real_key) {
int key_len = 0;
node->real_key = 0;
verify(node);
verify(real_key);
key_len = strlen(real_key) + 1;
node->real_key = create_raw(key_len);
memcpy(node->real_key, real_key, key_len);
node->real_key[key_len - 1] = 0;
}
kringbuffer_t* ringbuffer_create(uint32_t size) {
kringbuffer_t* rb = create(kringbuffer_t);
verify(rb);
memset(rb, 0, sizeof(kringbuffer_t));
rb->lock_type = 0;
rb->max_size = size;
rb->ptr = create_raw(size);
verify(rb->ptr);
rb->lock_size = 0;
rb->read_pos = 0;
rb->write_pos = 0;
rb->count = 0;
return rb;
}
kbuffer_t* knet_buffer_create(uint32_t size) {
kbuffer_t* sb = create(kbuffer_t);
verify(sb);
if (!sb) {
return 0;
}
sb->ptr = create_raw(size);
verify(sb->ptr);
if (!sb->ptr) {
knet_buffer_destroy(sb);
}
sb->pos = 0;
sb->len = size;
return sb;
}
int grab_one(struct vd_video *vd) {
char bufo[256];
char xten[4][5] = {"-","raw", "pnm", "jpg"};
#ifdef STAMP
time_t t;
struct tm *tm;
char stringo[128];
#endif
/* gamma test */
/*
unsigned char g_table[256];
gamma_lookup(0.2, g_table);
*/
if (-1 == ioctl(vd->grab_fd,VIDIOCMCAPTURE,&(vd->grab_buf))) {
perror("ioctl VIDIOCMCAPTURE");
exit(-1);
}
if (-1 == ioctl(vd->grab_fd,VIDIOCSYNC,&(vd->grab_buf))) {
perror("ioctl VIDIOCSYNC");
exit(-1);
}
vd->image=vd->grab_data;
if (vd->w == 3 && vd->grab_data && (vd->img_format != VD_TGA_24)) {
/* original or faster swap function */
#ifdef BGR2RGB
bgr2rgb(vd->grab_data, vd->grab_buf.width * vd->grab_buf.height);
#else
swap_rgb24(vd->grab_data, vd->grab_buf.width * vd->grab_buf.height);
#endif
}
/* HOOK for effects */
/* Uncomment and test the effects */
/* try another order and parameters */
/* effects test */
/* threshold (vd, 30); */
//sobel(vd);
/*gamma_apply(vd, g_table); */
/* laplace(vd); */
/* noise (vd, 0.05); */
//negative(vd);
/* mirror(vd); */
/* lowpass(vd); */
/* highpass(vd); */
/* channel_threshold(vd); */
/* predator(vd); */
/* posterize(vd, 3); */
//threshold (vd, 200);
// sobel(vd);
//negative(vd);
//mark_areas(vd);
/* end test */
#ifdef STAMP
/* initial tests for the timestamp function */
time (&t);
tm = localtime (&t);
if (vd->stamp) {
// validation
if (vd->stamp_scale_w <= 0) vd->stamp_scale_w=1;
if (vd->stamp_scale_h <= 0) vd->stamp_scale_h=1;
strftime (stringo, sizeof (stringo), vd->stamp, tm);
rgb24_printf(vd->stamp_pos_x, vd->stamp_pos_y, vd->stamp_scale_w, vd->stamp_scale_h, vd, "%s", stringo);
}
#endif
/*
* timestamp
*
*/
if (vd->tstampname) {
sprintf(bufo, "%d-0.%s", (unsigned int)t, xten[vd->img_format]);
#ifdef DEBUG
fprintf (stderr,"filename: %s \n", bufo);
#endif
strncpy (vd->v_filename, bufo, strlen(bufo));
}
vd->image=vd->grab_data; /* compatability */
switch (vd->img_format) {
case VD_RAW:
create_raw(vd);
break;
case VD_PNM:
create_pnm(vd);
break;
#ifdef HASJPEG
case VD_JPG:
create_jpeg(vd);
break;
#endif
case VD_TGA_24:
create_targa24(vd);
break;
}
return 1;
}
