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Multithread QR scanning

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This commit is contained in:
Alex Taber
2017-12-31 01:20:38 -05:00
parent f65b32c90c
commit 10b130b416
5 changed files with 173 additions and 110 deletions
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16
include/camera.h
View File

@@ -29,10 +29,20 @@
#include "common.h"
void init_qr(void);
void exit_qr(void);
typedef struct {
u16 *camera_buffer;
u32 *texture_buffer;
Handle mutex;
volatile bool finished;
Handle cancel;
bool capturing;
struct quirc* context;
} qr_data;
void init_qr(EntryMode current_mode);
void exit_qr(qr_data *data);
void take_picture(void);
bool scan_qr(EntryMode current_mode);
Result http_get(char *url, const char *path);
#endif

1
include/draw.h
View File

@@ -88,6 +88,7 @@ void draw_preview(int preview_offset);
void draw_install(InstallType type);
void draw_base_interface(void);
void draw_interface(Entry_List_s* list, Instructions_s instructions);
#endif

221
source/camera.c
View File

@@ -33,111 +33,184 @@
#include "fs.h"
#include "loading.h"
/*
static u32 transfer_size;
static Handle event;
static struct quirc* context;
static u16 * camera_buf = NULL;
*/
void init_qr(void)
void exit_qr(qr_data *data)
{
camInit();
CAMU_SetSize(SELECT_OUT1_OUT2, SIZE_CTR_TOP_LCD, CONTEXT_A);
CAMU_SetOutputFormat(SELECT_OUT1_OUT2, OUTPUT_RGB_565, CONTEXT_A);
CAMU_SetFrameRate(SELECT_OUT1_OUT2, FRAME_RATE_10);
svcSignalEvent(data->cancel);
while(!data->finished)
svcSleepThread(1000000);
data->capturing = false;
CAMU_SetNoiseFilter(SELECT_OUT1_OUT2, true);
CAMU_SetAutoExposure(SELECT_OUT1_OUT2, true);
CAMU_SetAutoWhiteBalance(SELECT_OUT1_OUT2, true);
CAMU_SetTrimming(PORT_CAM1, false);
CAMU_SetTrimming(PORT_CAM2, false);
CAMU_GetMaxBytes(&transfer_size, 400, 240);
CAMU_SetTransferBytes(PORT_BOTH, transfer_size, 400, 240);
CAMU_Activate(SELECT_OUT1_OUT2);
event = 0;
CAMU_ClearBuffer(PORT_BOTH);
CAMU_SynchronizeVsyncTiming(SELECT_OUT1, SELECT_OUT2);
CAMU_StartCapture(PORT_BOTH);
context = quirc_new();
quirc_resize(context, 400, 240);
free(data->camera_buffer);
free(data->texture_buffer);
quirc_destroy(data->context);
free(data);
}
void exit_qr(void)
void capture_cam_thread(void *arg)
{
CAMU_StopCapture(PORT_BOTH);
qr_data *data = (qr_data *) arg;
Handle events[3] = {0};
events[0] = data->cancel;
u32 transferUnit;
u16 *buffer = calloc(1, 400 * 240 * sizeof(u16));
camInit();
CAMU_SetSize(SELECT_OUT1, SIZE_CTR_TOP_LCD, CONTEXT_A);
CAMU_SetOutputFormat(SELECT_OUT1, OUTPUT_RGB_565, CONTEXT_A);
CAMU_SetFrameRate(SELECT_OUT1, FRAME_RATE_30);
CAMU_SetNoiseFilter(SELECT_OUT1, true);
CAMU_SetAutoExposure(SELECT_OUT1, true);
CAMU_SetAutoWhiteBalance(SELECT_OUT1, true);
CAMU_Activate(SELECT_OUT1);
CAMU_GetBufferErrorInterruptEvent(&events[2], PORT_CAM1);
CAMU_SetTrimming(PORT_CAM1, false);
CAMU_GetMaxBytes(&transferUnit, 400, 240);
CAMU_SetTransferBytes(PORT_CAM1, transferUnit, 400, 240);
CAMU_ClearBuffer(PORT_CAM1);
CAMU_SetReceiving(&events[1], buffer, PORT_CAM1, 400 * 240 * sizeof(u16), (s16) transferUnit);
CAMU_StartCapture(PORT_CAM1);
bool cancel = false;
while (!cancel)
{
s32 index = 0;
svcWaitSynchronizationN(&index, events, 3, false, U64_MAX);
switch(index) {
case 0:
cancel = true;
break;
case 1:
svcCloseHandle(events[1]);
events[1] = 0;
svcWaitSynchronization(data->mutex, U64_MAX);
memcpy(data->camera_buffer, buffer, 400 * 240 * sizeof(u16));
GSPGPU_FlushDataCache(data->camera_buffer, 400 * 240 * sizeof(u16));
svcReleaseMutex(data->mutex);
CAMU_SetReceiving(&events[1], buffer, PORT_CAM1, 400 * 240 * sizeof(u16), transferUnit);
break;
case 2:
svcCloseHandle(events[1]);
events[1] = 0;
CAMU_ClearBuffer(PORT_CAM1);
CAMU_SetReceiving(&events[1], buffer, PORT_CAM1, 400 * 240 * sizeof(u16), transferUnit);
CAMU_StartCapture(PORT_CAM1);
break;
default:
break;
}
}
CAMU_StopCapture(PORT_CAM1);
bool busy = false;
while(R_SUCCEEDED(CAMU_IsBusy(&busy, PORT_CAM1)) && busy) {
svcSleepThread(1000000);
}
CAMU_ClearBuffer(PORT_CAM1);
CAMU_Activate(SELECT_NONE);
camExit();
quirc_destroy(context);
free(camera_buf);
camera_buf = NULL;
}
bool scan_qr(EntryMode current_mode)
{
if(camera_buf == NULL) return false;
int w;
int h;
u8 *image = (u8*) quirc_begin(context, &w, &h);
for (ssize_t x = 0; x < w; x++)
{
for (ssize_t y = 0; y < h; y++)
{
u16 px = camera_buf[y * 400 + x];
image[y * w + x] = (u8)(((((px >> 11) & 0x1F) << 3) + (((px >> 5) & 0x3F) << 2) + ((px & 0x1F) << 3)) / 3);
free(buffer);
for(int i = 0; i < 3; i++) {
if(events[i] != 0) {
svcCloseHandle(events[i]);
events[i] = 0;
}
}
svcCloseHandle(data->mutex);
data->finished = true;
}
quirc_end(context);
if (quirc_count(context) > 0)
bool start_capture_cam(qr_data *data)
{
struct quirc_code code;
struct quirc_data data;
quirc_extract(context, 0, &code);
if (!quirc_decode(&code, &data))
{
http_get((char*)data.payload, main_paths[current_mode]);
exit_qr();
data->mutex = 0;
data->cancel = 0;
svcCreateEvent(&data->cancel, RESET_STICKY);
svcCreateMutex(&data->mutex, false);
if(threadCreate(capture_cam_thread, data, 0x10000, 0x1A, 1, true) == NULL)
return false;
return true;
}
}
return false;
}
void take_picture(void)
void update_qr(qr_data *data, EntryMode current_mode)
{
pp2d_begin_draw(GFX_TOP, GFX_LEFT);
free(camera_buf);
hidScanInput();
if (hidKeysDown() & KEY_R) {
exit_qr(data);
return;
}
camera_buf = malloc(sizeof(u16) * 400 * 240 * 4);
if (camera_buf == NULL) return;
if (!data->capturing) {
if(start_capture_cam(data))
data->capturing = true;
else {
exit_qr(data);
return;
}
CAMU_SetReceiving(&event, camera_buf, PORT_CAM1, 240 * 400 * 2, transfer_size);
svcWaitSynchronization(event, U64_MAX);
svcCloseHandle(event);
}
u32 *rgba8_buf = malloc(240 * 400 * sizeof(u32));
if (rgba8_buf == NULL) return;
if (data->finished) {
exit_qr(data);
return;
}
for (int i = 0; i < 240 * 400; i++)
{
rgba8_buf[i] = RGB565_TO_ABGR8(camera_buf[i]);
data->texture_buffer[i] = RGB565_TO_ABGR8(data->camera_buffer[i]);
}
draw_base_interface();
pp2d_free_texture(TEXTURE_QR);
pp2d_load_texture_memory(TEXTURE_QR, rgba8_buf, 400, 240);
free(rgba8_buf);
pp2d_load_texture_memory(TEXTURE_QR, data->texture_buffer, 400, 240);
pp2d_draw_texture(TEXTURE_QR, 0, 0);
pp2d_draw_rectangle(0, 216, 400, 24, RGBA8(55, 122, 168, 255));
pp2d_draw_text_center(GFX_TOP, 220, 0.5, 0.5, RGBA8(255, 255, 255, 255), "Press \uE005 To Quit");
pp2d_draw_rectangle(0, 0, 400, 24, RGBA8(55, 122, 168, 255));
pp2d_draw_text_center(GFX_TOP, 4, 0.5, 0.5, RGBA8(255, 255, 255, 255), "Press \uE004 To Scan");
pp2d_end_draw();
int w;
int h;
u8 *image = (u8*) quirc_begin(data->context, &w, &h);
svcWaitSynchronization(data->mutex, U64_MAX);
for (ssize_t x = 0; x < w; x++) {
for (ssize_t y = 0; y < h; y++) {
u16 px = data->camera_buffer[y * 400 + x];
image[y * w + x] = (u8)(((((px >> 11) & 0x1F) << 3) + (((px >> 5) & 0x3F) << 2) + ((px & 0x1F) << 3)) / 3);
}
}
svcReleaseMutex(data->mutex);
quirc_end(data->context);
if(quirc_count(data->context) > 0)
{
struct quirc_code code;
struct quirc_data scan_data;
quirc_extract(data->context, 0, &code);
if (!quirc_decode(&code, &scan_data))
{
exit_qr(data);
http_get((char*)scan_data.payload, main_paths[current_mode]);
}
}
}
void init_qr(EntryMode current_mode)
{
qr_data *data = calloc(1, sizeof(qr_data));
data->capturing = false;
data->finished = false;
data->context = quirc_new();
quirc_resize(data->context, 400, 240);
data->camera_buffer = calloc(1, 400 * 240 * sizeof(u16));
data->texture_buffer = calloc(1, 400 * 240 * sizeof(u32));
while (!data->finished) update_qr(data, current_mode);
}
/*

2
source/draw.c
View File

@@ -61,7 +61,7 @@ void exit_screens(void)
pp2d_exit();
}
static void draw_base_interface(void)
void draw_base_interface(void)
{
pp2d_begin_draw(GFX_TOP, GFX_LEFT);
pp2d_draw_rectangle(0, 0, 400, 23, COLOR_ACCENT);

37
source/main.c
View File

@@ -50,6 +50,7 @@ static Entry_List_s lists[MODE_AMOUNT] = {0};
int __stacksize__ = 64 * 1024;
Result archive_result;
u32 old_time_limit;
const char * main_paths[MODE_AMOUNT] = {
"/Themes/",
@@ -62,6 +63,8 @@ static void init_services(void)
cfguInit();
ptmuInit();
acInit();
APT_GetAppCpuTimeLimit(&old_time_limit);
APT_SetAppCpuTimeLimit(30);
httpcInit(0);
archive_result = open_archives();
if(envIsHomebrew())
@@ -77,6 +80,7 @@ static void exit_services(void)
close_archives();
cfguExit();
ptmuExit();
if (old_time_limit != UINT32_MAX) APT_SetAppCpuTimeLimit(old_time_limit);
httpcExit();
acExit();
}
@@ -340,22 +344,16 @@ int main(void)
current_mode %= MODE_AMOUNT;
continue;
}
else if(!preview_mode && kDown & KEY_R) //toggle QR mode
else if(!qr_mode && !preview_mode && kDown & KEY_R) //toggle QR mode
{
toggle_qr:
enable_qr:
if(R_SUCCEEDED(camInit()))
{
camExit();
u32 out;
ACU_GetWifiStatus(&out);
if(out)
{
qr_mode = !qr_mode;
if(qr_mode)
init_qr();
else
exit_qr();
}
init_qr(current_mode);
else
{
throw_error("Please connect to Wi-Fi before scanning QRs", ERROR_LEVEL_WARNING);
@@ -377,24 +375,6 @@ int main(void)
preview_mode = false;
continue;
}
else if(qr_mode && kDown & KEY_L) //scan a QR code while in QR mode
{
CAMU_StopCapture(PORT_BOTH);
CAMU_Activate(SELECT_NONE);
qr_mode = !scan_qr(current_mode);
CAMU_Activate(SELECT_OUT1_OUT2);
CAMU_StartCapture(PORT_BOTH);
if(!qr_mode)
load_lists(lists);
continue;
}
else if(qr_mode && kDown & KEY_B)
{
exit_qr();
qr_mode = false;
continue;
}
else if(preview_mode && kDown & (KEY_B | KEY_TOUCH))
{
preview_mode = false;
@@ -626,7 +606,7 @@ int main(void)
}
else if(BETWEEN(320-48, x, 320-24))
{
goto toggle_qr;
goto enable_qr;
}
else if(BETWEEN(320-72, x, 320-48))
{
@@ -671,7 +651,6 @@ int main(void)
}
}
}
exit_function(true);
return 0;
}