mirror of
https://github.com/Lorenzooone/cc3dsfs.git
synced 2026-03-22 02:06:22 -05:00
294 lines
10 KiB
C++
Executable File
294 lines
10 KiB
C++
Executable File
#include "3dscapture_ftd3.hpp"
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#include "devicecapture.hpp"
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#if defined(_WIN32) || defined(_WIN64)
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#define FTD3XX_STATIC
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#include <FTD3XX.h>
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#define FT_ASYNC_CALL FT_ReadPipeEx
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#else
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#include <ftd3xx.h>
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#define FT_ASYNC_CALL FT_ReadPipeAsync
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#endif
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#include <cstring>
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#include <thread>
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#include <chrono>
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#include <iostream>
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#define BULK_OUT 0x02
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#define BULK_IN 0x82
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#if defined(_WIN32) || defined(_WIN64)
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#define FIFO_CHANNEL 0x82
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#else
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#define FIFO_CHANNEL 0
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#endif
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#define REAL_SERIAL_NUMBER_SIZE 16
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#define SERIAL_NUMBER_SIZE (REAL_SERIAL_NUMBER_SIZE+1)
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static bool get_is_bad_ftd3xx();
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static OVERLAPPED overlap[NUM_CONCURRENT_DATA_BUFFERS];
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static bool is_bad_ftd3xx = get_is_bad_ftd3xx();
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static ULONG read_buffers[NUM_CONCURRENT_DATA_BUFFERS];
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static bool get_is_bad_ftd3xx() {
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#if (defined(_WIN32) || defined(_WIN64))
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return false;
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#endif
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bool is_bad_ftd3xx = false;
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DWORD ftd3xx_lib_version;
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if(FT_FAILED(FT_GetLibraryVersion(&ftd3xx_lib_version))) {
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ftd3xx_lib_version = 0;
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}
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if(ftd3xx_lib_version == 0x0100001A) {
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is_bad_ftd3xx = true;
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}
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return is_bad_ftd3xx;
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}
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void list_devices_ftd3(std::vector<CaptureDevice> &devices_list) {
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FT_STATUS ftStatus;
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DWORD numDevs = 0;
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std::string valid_descriptions[] = {"N3DSXL", "N3DSXL.2"};
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ftStatus = FT_CreateDeviceInfoList(&numDevs);
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if (!FT_FAILED(ftStatus) && numDevs > 0)
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{
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const int debug_multiplier = 1;
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FT_HANDLE ftHandle = NULL;
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DWORD Flags = 0;
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DWORD Type = 0;
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DWORD ID = 0;
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char SerialNumber[SERIAL_NUMBER_SIZE] = { 0 };
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char Description[33] = { 0 };
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for (DWORD i = 0; i < numDevs; i++)
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{
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ftStatus = FT_GetDeviceInfoDetail(i, &Flags, &Type, &ID, NULL,
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SerialNumber, Description, &ftHandle);
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if (!FT_FAILED(ftStatus))
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{
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for(int j = 0; j < sizeof(valid_descriptions) / sizeof(*valid_descriptions); j++) {
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if(Description == valid_descriptions[j]) {
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for(int u = 0; u < debug_multiplier; u++)
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devices_list.emplace_back(std::string(SerialNumber), "N3DSXL", CAPTURE_CONN_FTD3, true, true, true, HEIGHT_3DS, TOP_WIDTH_3DS + BOT_WIDTH_3DS, N3DSXL_SAMPLES_IN, IN_VIDEO_BPP_SIZE_3DS, 90, 0, 0, TOP_WIDTH_3DS, 0);
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break;
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}
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}
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}
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}
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}
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}
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uint64_t ftd3_get_video_in_size(CaptureData* capture_data) {
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if(!capture_data->status.enabled_3d)
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return sizeof(RGB83DSVideoInputData);
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return sizeof(RGB83DSVideoInputData_3D);
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}
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static uint64_t get_capture_size(CaptureData* capture_data) {
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if(!capture_data->status.enabled_3d)
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return sizeof(FTD3_3DSCaptureReceived);
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return sizeof(FTD3_3DSCaptureReceived_3D);
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}
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static void preemptive_close_connection(CaptureData* capture_data) {
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FT_AbortPipe(capture_data->handle, BULK_IN);
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FT_Close(capture_data->handle);
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}
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bool connect_ftd3(bool print_failed, CaptureData* capture_data, CaptureDevice* device) {
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char SerialNumber[SERIAL_NUMBER_SIZE] = { 0 };
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strncpy(SerialNumber, device->serial_number.c_str(), REAL_SERIAL_NUMBER_SIZE);
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SerialNumber[REAL_SERIAL_NUMBER_SIZE] = 0;
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if (FT_Create(SerialNumber, FT_OPEN_BY_SERIAL_NUMBER, &capture_data->handle)) {
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capture_error_print(print_failed, capture_data, "Create failed");
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return false;
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}
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UCHAR buf[4] = {0x40, 0x80, 0x00, 0x00};
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ULONG written = 0;
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if (FT_WritePipe(capture_data->handle, BULK_OUT, buf, 4, &written, 0)) {
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capture_error_print(print_failed, capture_data, "Write failed");
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preemptive_close_connection(capture_data);
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return false;
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}
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buf[1] = 0x00;
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if (FT_WritePipe(capture_data->handle, BULK_OUT, buf, 4, &written, 0)) {
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capture_error_print(print_failed, capture_data, "Write failed");
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preemptive_close_connection(capture_data);
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return false;
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}
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if (FT_SetStreamPipe(capture_data->handle, false, false, BULK_IN, get_capture_size(capture_data))) {
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capture_error_print(print_failed, capture_data, "Stream failed");
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preemptive_close_connection(capture_data);
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return false;
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}
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if(!get_is_bad_ftd3xx()) {
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if(FT_AbortPipe(capture_data->handle, BULK_IN)) {
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capture_error_print(print_failed, capture_data, "Abort failed");
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preemptive_close_connection(capture_data);
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return false;
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}
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if (FT_SetStreamPipe(capture_data->handle, false, false, BULK_IN, get_capture_size(capture_data))) {
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capture_error_print(print_failed, capture_data, "Stream failed");
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preemptive_close_connection(capture_data);
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return false;
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}
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}
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return true;
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}
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static void fast_capture_call(CaptureData* capture_data, OVERLAPPED overlap[NUM_CONCURRENT_DATA_BUFFERS]) {
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int inner_curr_in = 0;
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FT_STATUS ftStatus;
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for (inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS; ++inner_curr_in) {
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ftStatus = FT_InitializeOverlapped(capture_data->handle, &overlap[inner_curr_in]);
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if (ftStatus) {
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capture_error_print(true, capture_data, "Disconnected: Initialize failed");
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return;
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}
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}
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for (inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS - 1; ++inner_curr_in) {
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ftStatus = FT_ASYNC_CALL(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], get_capture_size(capture_data), &read_buffers[inner_curr_in], &overlap[inner_curr_in]);
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if (ftStatus != FT_IO_PENDING) {
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capture_error_print(true, capture_data, "Disconnected: Read failed");
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return;
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}
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}
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inner_curr_in = NUM_CONCURRENT_DATA_BUFFERS - 1;
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auto clock_start = std::chrono::high_resolution_clock::now();
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while (capture_data->status.connected && capture_data->status.running) {
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ftStatus = FT_ASYNC_CALL(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], get_capture_size(capture_data), &read_buffers[inner_curr_in], &overlap[inner_curr_in]);
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if (ftStatus != FT_IO_PENDING) {
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capture_error_print(true, capture_data, "Disconnected: Read failed");
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return;
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}
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inner_curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
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ftStatus = FT_GetOverlappedResult(capture_data->handle, &overlap[inner_curr_in], &read_buffers[inner_curr_in], true);
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if(FT_FAILED(ftStatus)) {
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capture_error_print(true, capture_data, "Disconnected: USB error");
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return;
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}
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const auto curr_time = std::chrono::high_resolution_clock::now();
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const std::chrono::duration<double> diff = curr_time - clock_start;
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capture_data->time_in_buf[inner_curr_in] = diff.count();
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capture_data->read[inner_curr_in] = read_buffers[inner_curr_in];
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clock_start = curr_time;
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if(capture_data->status.cooldown_curr_in)
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capture_data->status.cooldown_curr_in = capture_data->status.cooldown_curr_in - 1;
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capture_data->status.curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
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// Signal that there is data available
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capture_data->status.video_wait.unlock();
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capture_data->status.audio_wait.unlock();
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}
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}
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#if !(defined(_WIN32) || defined(_WIN64))
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static bool safe_capture_call(CaptureData* capture_data) {
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int inner_curr_in = 0;
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while(capture_data->status.connected && capture_data->status.running) {
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auto clock_start = std::chrono::high_resolution_clock::now();
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FT_STATUS ftStatus = FT_ReadPipeEx(capture_data->handle, FIFO_CHANNEL, (UCHAR*)&capture_data->capture_buf[inner_curr_in], get_capture_size(capture_data), &read_buffers[inner_curr_in], 1000);
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if(FT_FAILED(ftStatus)) {
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capture_error_print(true, capture_data, "Disconnected: Read failed");
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return true;
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}
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const auto curr_time = std::chrono::high_resolution_clock::now();
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const std::chrono::duration<double> diff = curr_time - clock_start;
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capture_data->time_in_buf[inner_curr_in] = diff.count();
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capture_data->read[inner_curr_in] = read_buffers[inner_curr_in];
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inner_curr_in = (inner_curr_in + 1) % NUM_CONCURRENT_DATA_BUFFERS;
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if(capture_data->status.cooldown_curr_in)
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capture_data->status.cooldown_curr_in = capture_data->status.cooldown_curr_in - 1;
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capture_data->status.curr_in = inner_curr_in;
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capture_data->status.video_wait.unlock();
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capture_data->status.audio_wait.unlock();
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}
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return false;
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}
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#endif
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void ftd3_capture_main_loop(CaptureData* capture_data) {
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#if !(defined(_WIN32) || defined(_WIN64))
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if(!is_bad_ftd3xx)
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fast_capture_call(capture_data, overlap);
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else
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safe_capture_call(capture_data);
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#else
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fast_capture_call(capture_data, overlap);
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#endif
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}
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void ftd3_capture_cleanup(CaptureData* capture_data) {
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FT_STATUS ftStatus;
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if(!is_bad_ftd3xx) {
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for(int inner_curr_in = 0; inner_curr_in < NUM_CONCURRENT_DATA_BUFFERS; ++inner_curr_in) {
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ftStatus = FT_GetOverlappedResult(capture_data->handle, &overlap[inner_curr_in], &read_buffers[inner_curr_in], true);
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if(FT_ReleaseOverlapped(capture_data->handle, &overlap[inner_curr_in])) {
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capture_error_print(true, capture_data, "Disconnected: Release failed");
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}
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}
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}
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if(FT_AbortPipe(capture_data->handle, BULK_IN)) {
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capture_error_print(true, capture_data, "Disconnected: Abort failed");
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}
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if (FT_Close(capture_data->handle)) {
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capture_error_print(true, capture_data, "Disconnected: Close failed");
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}
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}
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static inline void convertVideoToOutputChunk(RGB83DSVideoInputData *p_in, VideoOutputData *p_out, int iters, int start_in, int start_out) {
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for(int i = 0; i < iters; i++) {
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for(int u = 0; u < 3; u++)
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p_out->screen_data[start_out + i][u] = p_in->screen_data[start_in + i][u];
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p_out->screen_data[start_out + i][3] = 0xff;
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}
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}
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static inline void convertVideoToOutputChunk_3D(RGB83DSVideoInputData_3D *p_in, VideoOutputData *p_out, int iters, int start_in, int start_out) {
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for(int i = 0; i < iters; i++) {
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for(int u = 0; u < 3; u++)
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p_out->screen_data[start_out + i][u] = p_in->screen_data[start_in + i][u];
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p_out->screen_data[start_out + i][3] = 0xff;
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}
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}
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void ftd3_convertVideoToOutput(CaptureReceived *p_in, VideoOutputData *p_out, bool enabled_3d) {
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if(!enabled_3d) {
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convertVideoToOutputChunk(&p_in->ftd3_received.video_in, p_out, IN_VIDEO_NO_BOTTOM_SIZE_3DS, 0, 0);
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for(int i = 0; i < ((IN_VIDEO_SIZE_3DS - IN_VIDEO_NO_BOTTOM_SIZE_3DS) / (IN_VIDEO_WIDTH_3DS * 2)); i++) {
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convertVideoToOutputChunk(&p_in->ftd3_received.video_in, p_out, IN_VIDEO_WIDTH_3DS, ((i * 2) * IN_VIDEO_WIDTH_3DS) + IN_VIDEO_NO_BOTTOM_SIZE_3DS, TOP_SIZE_3DS + (i * IN_VIDEO_WIDTH_3DS));
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convertVideoToOutputChunk(&p_in->ftd3_received.video_in, p_out, IN_VIDEO_WIDTH_3DS, (((i * 2) + 1) * IN_VIDEO_WIDTH_3DS) + IN_VIDEO_NO_BOTTOM_SIZE_3DS, IN_VIDEO_NO_BOTTOM_SIZE_3DS + (i * IN_VIDEO_WIDTH_3DS));
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}
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}
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}
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