//process the first truck stored in queue and adds the schools from that truck to a tree in order to print them ordenated
void process(node **root){
truck truck;
Node *node=delQueue();
truck=node->Data;
printf("Truck %d waited %d hours\n",counter/3,counter - truck.hours);
int i=0;
if(sizeofqueue()>0){
for(i;i<500;i++){
school school=truck.schools[i];
Node *tmp;
tmp = search(root, school);
if (tmp)
{
createSchool(&((*root)->data),(*root)->data.code,(*root)->data.cantboxes+1);
}
else
{
insert(root,school);
}
}
}
}
void displayThread(void)
{
#ifdef LOCAL_DISPLAY
SDL_Window *win = NULL;
SDL_Renderer *renderer = NULL;
SDL_Texture *texture = NULL;
SDL_Event e;
int kill = FALSE;
char resolution[20] = {0};
#else
FILE *fp = NULL;
#endif
char *lineseeker = NULL;
int linecnt = 0;
int prevline = 0;
int prevframe = 0;
int flag = 0;
VIDEO_DATA *popped = NULL;
int frame_cnt = 0;
popped = (VIDEO_DATA *)calloc(1, sizeof(VIDEO_DATA));
popped->packetbuff = (char *)calloc(1, packetsize - VALID_DATA);
#ifdef LOCAL_DISPLAY
SDL_Init(SDL_INIT_VIDEO);
snprintf(resolution, 20, "Receiver : %dx%d", g_capture_width,
g_capture_height);
win = SDL_CreateWindow(resolution,
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
g_capture_width,
g_capture_height,
SDL_WINDOW_RESIZABLE);
renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
texture = SDL_CreateTexture(renderer,
SDL_PIXELFORMAT_YUY2,
SDL_TEXTUREACCESS_STREAMING,
g_capture_width,
g_capture_height);
#else
fp = fopen(g_filename, "wb");
#endif
while(!KillDisplayThread) {
if((sizeofqueue() > 0) && (g_displaybuff)) {
poppacket(popped);
} else {
continue;
}
if(flag == 0) {
g_skipframe = popped->frame_num;
prevframe = popped->frame_num;
pr_dbg("Frame %d is going to skip\n",g_skipframe);
flag = 1;
}
#if 0
/* check SDL event if any */
if (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT) {
break;
} else if(e.key.type == SDL_KEYUP) {
switch(e.key.keysym.sym) {
case SDLK_ESCAPE:
kill = TRUE;
break;
default:
break;
}
if(kill) break;
}
}
#endif
if(g_skipframe == popped->frame_num) {
continue;
}
if(popped->line_num == FIRST_LINE) {
lineseeker = g_displaybuff;
memcpy(lineseeker, popped->packetbuff,
packetsize - VALID_DATA);
lineseeker += (packetsize - VALID_DATA);
linecnt ++;
prevline = FIRST_LINE;
} else if(popped->line_num == g_last_line) {
memcpy(lineseeker, popped->packetbuff,
packetsize - VALID_DATA);
linecnt++;
if(linecnt == g_last_line) {
#ifdef LOCAL_DISPLAY
/* display frame*/
SDL_UpdateTexture(texture, 0,
g_displaybuff,
g_capture_width*BPP);
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderPresent(renderer);
#else
/* save frame */
fwrite(g_displaybuff, buffsize, 1, fp);
if(frame_cnt++ > no_of_frames_to_save) {
fclose(fp);
exit(0);
}
#endif
}
lineseeker = g_displaybuff;
linecnt = 0;
prevline = 0;
} else if(prevframe == popped->frame_num) {
if(popped->line_num == prevline + 1) {
memcpy(lineseeker, popped->packetbuff,
packetsize - VALID_DATA);
lineseeker += packetsize - VALID_DATA;
linecnt ++;
}
prevline = popped->line_num;
} else {
memset(g_displaybuff, 0, buffsize);
lineseeker = g_displaybuff;
linecnt = 0;
g_skipframe = popped->frame_num;
prevline = popped->line_num;
}
if(prevframe != popped->frame_num) {
prevframe = popped->frame_num;
}
}
#ifdef LOCAL_DISPLAY
SDL_DestroyTexture(texture);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(win);
SDL_Quit();
#else
fclose(fp);
#endif
free(popped->packetbuff);
free(popped);
pr_dbg("Exiting Application\n");
exit(0);
}
