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3dscapture.cpp
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3dscapture.cpp
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#include "3dscapture.hpp"
#include <cstring>
#include <thread>
#include <chrono>
#include <iostream>
#define BULK_OUT 0x02
#define BULK_IN 0x82
#if defined(_WIN32) || defined(_WIN64)
#define FIFO_CHANNEL 0x82
#else
#define FIFO_CHANNEL 0
#endif
static bool get_is_bad_ftd3xx() {
#if (defined(_WIN32) || defined(_WIN64))
return false;
#endif
bool is_bad_ftd3xx = false;
DWORD ftd3xx_lib_version;
if(FT_FAILED(FT_GetLibraryVersion(&ftd3xx_lib_version))) {
ftd3xx_lib_version = 0;
}
if(ftd3xx_lib_version == 0x0100001A) {
is_bad_ftd3xx = true;
}
return is_bad_ftd3xx;
}
static void list_devices(DevicesList &devices_list) {
FT_STATUS ftStatus;
DWORD numDevs = 0;
std::string valid_descriptions[] = {"N3DSXL", "N3DSXL.2"};
ftStatus = FT_CreateDeviceInfoList(&numDevs);
devices_list.numAllocedDevices = 0;
devices_list.numValidDevices = 0;
if (!FT_FAILED(ftStatus) && numDevs > 0)
{
const int debug_multiplier = 1;
devices_list.numAllocedDevices = numDevs * debug_multiplier;
devices_list.serialNumbers = new char[devices_list.numAllocedDevices * SERIAL_NUMBER_SIZE];
FT_HANDLE ftHandle = NULL;
DWORD Flags = 0;
DWORD Type = 0;
DWORD ID = 0;
char SerialNumber[REAL_SERIAL_NUMBER_SIZE] = { 0 };
char Description[32] = { 0 };
for (DWORD i = 0; i < numDevs; i++)
{
ftStatus = FT_GetDeviceInfoDetail(i, &Flags, &Type, &ID, NULL,
SerialNumber, Description, &ftHandle);
if (!FT_FAILED(ftStatus))
{
for(int j = 0; j < sizeof(valid_descriptions) / sizeof(*valid_descriptions); j++) {
if(Description == valid_descriptions[j]) {
for(int u = 0; u < debug_multiplier; u++) {
for(int k = 0; k < REAL_SERIAL_NUMBER_SIZE; k++)
devices_list.serialNumbers[(SERIAL_NUMBER_SIZE * devices_list.numValidDevices) + k] = SerialNumber[k];
devices_list.serialNumbers[(SERIAL_NUMBER_SIZE * devices_list.numValidDevices) + REAL_SERIAL_NUMBER_SIZE] = 0;
++devices_list.numValidDevices;
}
break;
}
}
}
}
}
}
static bool poll_connection_window_screen(WindowScreen *screen, int &chosen_index) {
screen->poll();
if(screen->check_connection_menu_result() != -1) {
chosen_index = screen->check_connection_menu_result();
return true;
}
if(screen->close_capture()) {
return true;
}
return false;
}
static int choose_device(DevicesList *devices_list, FrontendData* frontend_data) {
if(devices_list->numValidDevices == 1)
return 0;
int chosen_index = -1;
frontend_data->top_screen->setup_connection_menu(devices_list);
frontend_data->bot_screen->setup_connection_menu(devices_list);
frontend_data->joint_screen->setup_connection_menu(devices_list);
bool done = false;
while(!done) {
update_output(frontend_data);
done = poll_connection_window_screen(frontend_data->top_screen, chosen_index);
if(done)
break;
done = poll_connection_window_screen(frontend_data->bot_screen, chosen_index);
if(done)
break;
done = poll_connection_window_screen(frontend_data->joint_screen, chosen_index);
if(done)
break;
default_sleep();
}
frontend_data->top_screen->end_connection_menu();
frontend_data->bot_screen->end_connection_menu();
frontend_data->joint_screen->end_connection_menu();
return chosen_index;
}
static void preemptive_close_connection(CaptureData* capture_data) {
FT_AbortPipe(capture_data->handle, BULK_IN);
FT_Close(capture_data->handle);
}
bool connect(bool print_failed, CaptureData* capture_data, FrontendData* frontend_data) {
capture_data->status.new_error_text = false;
if (capture_data->status.connected) {
capture_data->status.close_success = false;
return false;
}
if(!capture_data->status.close_success) {
if(print_failed) {
capture_data->status.error_text = "Previous device still closing...";
capture_data->status.new_error_text = true;
}
return false;
}
DevicesList devices_list;
list_devices(devices_list);
if(devices_list.numValidDevices <= 0) {
if(print_failed) {
capture_data->status.error_text = "No device was found";
capture_data->status.new_error_text = true;
}
if(devices_list.numAllocedDevices > 0)
delete []devices_list.serialNumbers;
return false;
}
int chosen_device = choose_device(&devices_list, frontend_data);
if(chosen_device == -1) {
if(print_failed) {
capture_data->status.error_text = "No device was selected";
capture_data->status.new_error_text = true;
}
delete []devices_list.serialNumbers;
return false;
}
char SerialNumber[SERIAL_NUMBER_SIZE] = { 0 };
for(int i = 0; i < REAL_SERIAL_NUMBER_SIZE; i++)
SerialNumber[i] = devices_list.serialNumbers[(SERIAL_NUMBER_SIZE * chosen_device) + i];
SerialNumber[REAL_SERIAL_NUMBER_SIZE] = 0;
delete []devices_list.serialNumbers;
capture_data->status.serial_number = "N3DSXL - " + std::string(SerialNumber);
if (FT_Create(SerialNumber, FT_OPEN_BY_SERIAL_NUMBER, &capture_data->handle)) {
if(print_failed) {
capture_data->status.error_text = "Create failed";
capture_data->status.new_error_text = true;
}
return false;
}
UCHAR buf[4] = {0x40, 0x80, 0x00, 0x00};
ULONG written = 0;
if (FT_WritePipe(capture_data->handle, BULK_OUT, buf, 4, &written, 0)) {
if(print_failed) {
capture_data->status.error_text = "Write failed";
capture_data->status.new_error_text = true;
}
preemptive_close_connection(capture_data);
return false;
}
buf[1] = 0x00;
if (FT_WritePipe(capture_data->handle, BULK_OUT, buf, 4, &written, 0)) {
if(print_failed) {
capture_data->status.error_text = "Write failed";
capture_data->status.new_error_text = true;
}
preemptive_close_connection(capture_data);
return false;
}
if (FT_SetStreamPipe(capture_data->handle, false, false, BULK_IN, sizeof(CaptureReceived))) {
if(print_failed) {
capture_data->status.error_text = "Stream failed";
capture_data->status.new_error_text = true;
}
preemptive_close_connection(capture_data);
return false;
}
if(!get_is_bad_ftd3xx()) {
if(FT_AbortPipe(capture_data->handle, BULK_IN)) {
if(print_failed) {
capture_data->status.error_text = "Abort failed";
capture_data->status.new_error_text = true;
}
preemptive_close_connection(capture_data);
return false;
}
if (FT_SetStreamPipe(capture_data->handle, false, false, BULK_IN, sizeof(CaptureReceived))) {
if(print_failed) {
capture_data->status.error_text = "Stream failed";
capture_data->status.new_error_text = true;
}
preemptive_close_connection(capture_data);
return false;
}
}
// Avoid having old open locks
capture_data->status.video_wait.try_lock();
capture_data->status.audio_wait.try_lock();
return true;
}
static void fast_capture_call(CaptureData* capture_data, OVERLAPPED overlap[NUM_CONCURRENT_DATA_BUFFERS]) {
int inner_curr_in = 0;
FT_STATUS ftStatus;
for (inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS; ++inner_curr_in) {
ftStatus = FT_InitializeOverlapped(capture_data->handle, &overlap[inner_curr_in]);
if (ftStatus) {
capture_data->status.error_text = "Disconnected: Initialize failed";
capture_data->status.new_error_text = true;
return;
}
}
for (inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS - 1; ++inner_curr_in) {
ftStatus = FT_ASYNC_CALL(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], sizeof(CaptureReceived), &capture_data->read[inner_curr_in], &overlap[inner_curr_in]);
if (ftStatus != FT_IO_PENDING) {
capture_data->status.error_text = "Disconnected: Read failed";
capture_data->status.new_error_text = true;
return;
}
}
inner_curr_in = NUM_CONCURRENT_DATA_BUFFERS - 1;
auto clock_start = std::chrono::high_resolution_clock::now();
while (capture_data->status.connected && capture_data->status.running) {
ftStatus = FT_ASYNC_CALL(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], sizeof(CaptureReceived), &capture_data->read[inner_curr_in], &overlap[inner_curr_in]);
if (ftStatus != FT_IO_PENDING) {
capture_data->status.error_text = "Disconnected: Read failed";
capture_data->status.new_error_text = true;
return;
}
inner_curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
ftStatus = FT_GetOverlappedResult(capture_data->handle, &overlap[inner_curr_in], &capture_data->read[inner_curr_in], true);
if(FT_FAILED(ftStatus)) {
capture_data->status.error_text = "Disconnected: USB error";
capture_data->status.new_error_text = true;
return;
}
const auto curr_time = std::chrono::high_resolution_clock::now();
const std::chrono::duration<double> diff = curr_time - clock_start;
capture_data->time_in_buf[inner_curr_in] = diff.count();
clock_start = curr_time;
capture_data->status.curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
if(capture_data->status.cooldown_curr_in)
capture_data->status.cooldown_curr_in--;
// Signal that there is data available
capture_data->status.video_wait.unlock();
capture_data->status.audio_wait.unlock();
}
}
#if !(defined(_WIN32) || defined(_WIN64))
static bool safe_capture_call(CaptureData* capture_data) {
int inner_curr_in = 0;
while (capture_data->status.connected && capture_data->status.running) {
auto clock_start = std::chrono::high_resolution_clock::now();
FT_STATUS ftStatus = FT_ReadPipeEx(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], sizeof(CaptureReceived), &capture_data->read[inner_curr_in], 1000);
if(FT_FAILED(ftStatus)) {
capture_data->status.error_text = "Disconnected: Read failed";
capture_data->status.new_error_text = true;
return true;
}
const auto curr_time = std::chrono::high_resolution_clock::now();
const std::chrono::duration<double> diff = curr_time - clock_start;
capture_data->time_in_buf[inner_curr_in] = diff.count();
inner_curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
capture_data->status.curr_in = inner_curr_in;
if(capture_data->status.cooldown_curr_in)
capture_data->status.cooldown_curr_in--;
capture_data->status.video_wait.unlock();
capture_data->status.audio_wait.unlock();
}
return false;
}
#endif
void captureCall(CaptureData* capture_data) {
OVERLAPPED overlap[NUM_CONCURRENT_DATA_BUFFERS];
FT_STATUS ftStatus;
int inner_curr_in = 0;
capture_data->status.curr_in = inner_curr_in;
capture_data->status.cooldown_curr_in = FIX_PARTIAL_FIRST_FRAME_NUM;
bool is_bad_ftd3xx = get_is_bad_ftd3xx();
while(capture_data->status.running) {
if (!capture_data->status.connected) {
default_sleep();
continue;
}
bool bad_close = false;
#if !(defined(_WIN32) || defined(_WIN64))
if(!is_bad_ftd3xx)
fast_capture_call(capture_data, overlap);
else
bad_close = safe_capture_call(capture_data);
#else
fast_capture_call(capture_data, overlap);
#endif
capture_data->status.close_success = false;
capture_data->status.connected = false;
capture_data->status.cooldown_curr_in = FIX_PARTIAL_FIRST_FRAME_NUM;
// Needed in case the threads went in the connected loop
// before it is set right above, and they are waiting on the locks!
capture_data->status.video_wait.unlock();
capture_data->status.audio_wait.unlock();
if(!is_bad_ftd3xx) {
for (inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS; ++inner_curr_in) {
ftStatus = FT_GetOverlappedResult(capture_data->handle, &overlap[inner_curr_in], &capture_data->read[inner_curr_in], true);
if (FT_ReleaseOverlapped(capture_data->handle, &overlap[inner_curr_in])) {
capture_data->status.error_text = "Disconnected: Release failed";
capture_data->status.new_error_text = true;
}
}
}
if(FT_AbortPipe(capture_data->handle, BULK_IN)) {
capture_data->status.error_text = "Disconnected: Abort failed";
capture_data->status.new_error_text = true;
}
if (FT_Close(capture_data->handle)) {
capture_data->status.error_text = "Disconnected: Close failed";
capture_data->status.new_error_text = true;
}
capture_data->status.close_success = false;
capture_data->status.connected = false;
capture_data->status.close_success = true;
}
}