static int clocksource_init (void)
{
init_timebase();
cs.mult = clocksource_hz2mult(get_timebase_clock(), cs.shift);
init_clock(&cs);
return 0;
}
int main()
{
int choice = 0;
int SelectSobelMode = SOBEL_OFF;
pthread_t sw_sync_thread;
int ret;
int setResolution(void);
if (setResolution() != 0)
{
// framebuffer with the required resolution not found.
return -1;
}
// spawn a thread to check the sw synchronization while software sobel filter is On.
ret = pthread_create( &sw_sync_thread, NULL, &thread_sw_sync, NULL);
if (ret)
{
printf("ERROR; return code from pthread_create() is %d\n", ret);
return -1;
}
//backup the current display layer so that we can restore it at the end.
store_cvc_layer(LAYER_ID_0);
// initial state
clearMemory(gLayerBase[DISPLAY_LAYER], BUFFER_OFFSETS * 3);
resetStop_VDMA_ALL();
init_cvc(DISPLAY_LAYER, gResolution);
init_timebase(gResolution);
#ifdef DEMO_MENU_MODE
do
{
printf("\n------------- Video Library Demo Main Menu: --------------------\n\n");
printf("1 -> Start TPG Pattern (Plain)\n");
printf("2 -> TPG Pattern with Software (OpenCV) Filter\n");
printf("3 -> TPG Pattern with Software Filter\n");
printf("4 -> TPG Pattern with Hardware Filter\n");
printf("5 -> Start Live Video (Plain)\n");
printf("6 -> Live Video with Software (OpenCV) Filter\n");
printf("7 -> Live Video with Software Filter\n");
printf("8 -> Live Video with Hardware Filter\n");
printf("0 -> Exit\n\n");
printf("\nEnter your choice :");
choice = getInput();
switch(choice)
{
case 0: // break;
SelectSobelMode = SOBEL_OFF;
ChangeSobelMode(SelectSobelMode);
gActiveState = STATE_EXIT;
printf("\n <== BYE BYE ==>\n");
break;
case 1: // Select TPG Pattern
SelectSobelMode = SOBEL_OFF;
gLiveVideoOn = 0;
SetTpgPattern(gResolution, TPG_PATTERN_ID);
ChangeSobelMode(SelectSobelMode);
break;
case 2:
SelectSobelMode = SOBEL_SW;
gLiveVideoOn = 0;
gSwUsingOpenCV = 1;
SetTpgPattern(gResolution, TPG_PATTERN_ID);
ChangeSobelMode(SelectSobelMode);
break;
case 3:
SelectSobelMode = SOBEL_SW;
gLiveVideoOn = 0;
gSwUsingOpenCV = 0;
SetTpgPattern(gResolution, TPG_PATTERN_ID);
ChangeSobelMode(SelectSobelMode);
break;
case 4:
SelectSobelMode = SOBEL_HW;
gLiveVideoOn = 0;
SetTpgPattern(gResolution, TPG_PATTERN_ID);
ChangeSobelMode(SelectSobelMode);
break;
case 5: // Live video
SelectSobelMode = SOBEL_OFF;
gLiveVideoOn = 1;
// SetTpgPattern(0x0); This will be done while switching the input. (After confirming that we have right input)
ChangeSobelMode(SelectSobelMode);
break;
case 6:
SelectSobelMode = SOBEL_SW;
gLiveVideoOn = 1;
gSwUsingOpenCV = 1;
// SetTpgPattern(0); This will be done while switching the input.
ChangeSobelMode(SelectSobelMode);
break;
case 7:
SelectSobelMode = SOBEL_SW;
gLiveVideoOn = 1;
gSwUsingOpenCV = 0;
// SetTpgPattern(0); This will be done while switching the input.
ChangeSobelMode(SelectSobelMode);
break;
case 8:
SelectSobelMode = SOBEL_HW;
gLiveVideoOn = 1;
// SetTpgPattern(0); This will be done while switching the input.
ChangeSobelMode(SelectSobelMode);
break;
default:
printf("\n\n ********* Invalid input, Please try Again ***********\n");
break;
}
if (choice <=8 && choice > 0)
printf("\n\n <== Input Mode : %s / Filter Mode : %s ==>\n",(gLiveVideoOn)?"Live Video":"TPG Pattern",
(choice == 1 || choice == 5)?"OFF":((choice == 4 || choice == 8)?"HW":"SW"));
}while(choice);
#else
do
{
printf("\n------------- Linux Sobel Filter Demo Main Menu: --------------------\n\n");
printf("1 -> Select TPG Pattern\n");
printf("2 -> Sobel Filter On / Off \n");
printf("0 -> Exit");
printf("\nEnter your choice :");
choice = getInput();
switch(choice)
{
case 0: // break;
SelectSobelMode = SOBEL_OFF;
ChangeSobelMode(SelectSobelMode);
// should use mutext to protect the shared resource.
gActiveState = STATE_EXIT;
break;
case 1: // Select TPG Pattern
SelectTPG(SelectSobelMode);
break;
case 2: // Turn Sobel Filter On / off
printf("Select Sobel options\n\n");
printf("%d: Disable Sobel Filter \n",SOBEL_OFF);
printf("%d: Enable Hardware Sobel Filter \n",SOBEL_HW);
printf("%d: Enable Software Sobel Filter \n",SOBEL_SW);
printf("\nEnter your choice :");
//scanf(" %d", &SelectSobelMode); printf("--UIO--newMode = %d\n", newMode);
SelectSobelMode = getInput();
switch(SelectSobelMode)
{
case SOBEL_HW:
printf("\nTurning ON Hardware Sobel Filter ..\n");
break;
case SOBEL_SW:
printf("\nTurning ON Software Sobel Filter..\n");
break;
default:
SelectSobelMode = SOBEL_OFF;
printf("\nTurning OFF Sobel Filter..\n");
break;
}
ChangeSobelMode(SelectSobelMode);
break;
default:
printf("\n\n ********* Invalid input, Please try Again ***********\n");
break;
}
}while(choice);
#endif
pthread_join(sw_sync_thread,NULL);
restore_cvc_layer(LAYER_ID_0);
return 0;
}
