Support crop image on sensor, grayscale, auto exposure level

This commit is contained in:
Joo Aun Saw
2024-01-08 16:37:20 +11:00
committed by CaCO3
parent 444dc0fa39
commit ac4f823cbf
12 changed files with 525 additions and 88 deletions

View File

@@ -53,6 +53,10 @@ static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary="
static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
// OV Camera SDE Indirect Register Access
#define OV_IRA_BPADDR 0x7C
#define OV_IRA_BPDATA 0x7D
static camera_config_t camera_config = {
.pin_pwdn = CAM_PIN_PWDN,
@@ -81,8 +85,8 @@ static camera_config_t camera_config = {
.pixel_format = PIXFORMAT_JPEG, //YUV422,GRAYSCALE,RGB565,JPEG
.frame_size = FRAMESIZE_VGA, //QQVGA-UXGA Do not use sizes above QVGA when not JPEG
// .frame_size = FRAMESIZE_UXGA, //QQVGA-UXGA Do not use sizes above QVGA when not JPEG
.jpeg_quality = 12, //0-63 lower number means higher quality
// .frame_size = FRAMESIZE_UXGA, //QQVGA-UXGA Do not use sizes above QVGA when not JPEG
.jpeg_quality = 4, //0-63 lower number means higher quality
.fb_count = 1, //if more than one, i2s runs in continuous mode. Use only with JPEG
.fb_location = CAMERA_FB_IN_PSRAM, /*!< The location where the frame buffer will be allocated */
.grab_mode = CAMERA_GRAB_LATEST, // only from new esp32cam version
@@ -166,7 +170,7 @@ static size_t jpg_encode_stream(void * arg, size_t index, const void* data, size
}
bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, int _saturation)
bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, int _saturation, int _autoExposureLevel, bool _grayscale)
{
_brightness = min(2, max(-2, _brightness));
_contrast = min(2, max(-2, _contrast));
@@ -174,6 +178,11 @@ bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, in
sensor_t * s = esp_camera_sensor_get();
if (s) {
// auto exposure controls
s->set_ae_level(s, _autoExposureLevel); // -2 to 2
s->set_gainceiling(s, GAINCEILING_2X); // GAINCEILING_2X 4X 8X 16X 32X 64X 128X
// post processing
s->set_saturation(s, _saturation);
s->set_contrast(s, _contrast);
s->set_brightness(s, _brightness);
@@ -205,9 +214,23 @@ bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, in
//s->set_reg(s, 0x7C, 0xFF, 2); // Optional feature - hue setting: Select byte 2 in register 0x7C to set hue value
//s->set_reg(s, 0x7D, 0xFF, 0); // Optional feature - hue setting: Hue value 0 - 255
s->set_reg(s, 0xFF, 0x01, 0); // Select DSP bank
s->set_reg(s, 0x7C, 0xFF, 0); // Select byte 0 in register 0x7C
s->set_reg(s, 0x7D, 7, 7); // Set bit 0, 1, 2 in register 0x7D to enable saturation, contrast, brightness and hue control
if (_grayscale) {
// Indirect register access
s->set_reg(s, 0xFF, 0x01, 0); // Select DSP bank
s->set_reg(s, OV_IRA_BPADDR, 0xFF, 0x00); // Address 0x00
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 0x1F); // Set bit 0, 1, 2 to enable saturation, contrast, brightness and hue control
s->set_reg(s, OV_IRA_BPADDR, 0xFF, 0x05); // Address 0x05
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 0x80);
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 0x80);
} else {
// Indirect register access
s->set_reg(s, 0xFF, 0x01, 0); // Select DSP bank
s->set_reg(s, OV_IRA_BPADDR, 0xFF, 0x00); // Address 0x00
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 7); // Set bit 0, 1, 2 to enable saturation, contrast, brightness and hue control
s->set_reg(s, OV_IRA_BPADDR, 0xFF, 0x05); // Address 0x05
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 0x80);
s->set_reg(s, OV_IRA_BPDATA, 0xFF, 0x80);
}
}
else {
LogFile.WriteToFile(ESP_LOG_ERROR, TAG, "SetBrightnessContrastSaturation: Failed to get control structure");
@@ -219,38 +242,123 @@ bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, in
brightness = _brightness;
contrast = _contrast;
saturation = _saturation;
autoExposureLevel = _autoExposureLevel;
imageGrayscale = _grayscale;
ESP_LOGD(TAG, "brightness %d, contrast: %d, saturation %d", brightness, contrast, saturation);
ESP_LOGD(TAG, "brightness %d, contrast: %d, saturation %d, autoExposureLevel %d, grayscale %d", brightness, contrast, saturation, autoExposureLevel, (int)imageGrayscale);
return true;
}
void CCamera::SetQualitySize(int qual, framesize_t resol)
/*
* resolution = 0 \\ 1600 x 1200
* resolution = 1 \\ 800 x 600
* resolution = 2 \\ 400 x 296
*/
void CCamera::SetCamWindow(sensor_t *s, int resolution, int xOffset, int yOffset, int xLength, int yLength)
{
qual = min(63, max(8, qual)); // Limit quality from 8..63 (values lower than 8 tent to be unstable)
sensor_t * s = esp_camera_sensor_get();
if (s) {
s->set_quality(s, qual);
s->set_framesize(s, resol);
}
else {
LogFile.WriteToFile(ESP_LOG_ERROR, TAG, "SetQualitySize: Failed to get control structure");
}
s->set_res_raw(s, resolution, 0, 0, 0, xOffset, yOffset, xLength, yLength, xLength, yLength, false, false);
}
ActualResolution = resol;
ActualQuality = qual;
void CCamera::SetImageWidthHeightFromResolution(framesize_t resol)
{
if (resol == FRAMESIZE_QVGA)
{
image_height = 240;
image_width = 320;
image_width = 320;
}
else if (resol == FRAMESIZE_VGA)
{
image_height = 480;
image_width = 640;
image_width = 640;
}
else if (resol == FRAMESIZE_SVGA)
{
image_height = 600;
image_width = 800;
}
else if (resol == FRAMESIZE_XGA)
{
image_height = 768;
image_width = 1024;
}
else if (resol == FRAMESIZE_HD)
{
image_height = 720;
image_width = 1280;
}
else if (resol == FRAMESIZE_SXGA)
{
image_height = 1024;
image_width = 1280;
}
else if (resol == FRAMESIZE_UXGA)
{
image_height = 1200;
image_width = 1600;
}
}
void CCamera::SetZoom(bool zoomEnabled, int zoomMode, int zoomOffsetX, int zoomOffsetY)
{
imageZoomEnabled = zoomEnabled;
imageZoomMode = zoomMode;
imageZoomOffsetX = zoomOffsetX;
imageZoomOffsetY = zoomOffsetY;
sensor_t *s = esp_camera_sensor_get();
if (s) {
if (imageZoomEnabled) {
int z = imageZoomMode;
int x = imageZoomOffsetX;
int y = imageZoomOffsetY;
if (z > 1)
z = 1;
if (image_width >= 800 || image_height >= 600) {
z = 0;
}
int maxX = 1600 - image_width;
int maxY = 1200 - image_height;
if (z == 1) {
maxX = 800 - image_width;
maxY = 600 - image_height;
}
if (x > maxX)
x = maxX;
if (y > maxY)
y = maxY;
SetCamWindow(s, z, x, y, image_width, image_height);
} else {
s->set_framesize(s, ActualResolution);
}
}
}
void CCamera::SetQualitySize(int qual, framesize_t resol, bool zoomEnabled, int zoomMode, int zoomOffsetX, int zoomOffsetY)
{
qual = min(63, max(8, qual)); // Limit quality from 8..63 (values lower than 8 tent to be unstable)
ActualResolution = resol;
ActualQuality = qual;
imageZoomEnabled = zoomEnabled;
imageZoomMode = zoomMode;
imageZoomOffsetX = zoomOffsetX;
imageZoomOffsetY = zoomOffsetY;
SetImageWidthHeightFromResolution(resol);
sensor_t * s = esp_camera_sensor_get();
if (s) {
s->set_quality(s, qual);
SetZoom(zoomEnabled, zoomMode, zoomOffsetX, zoomOffsetY);
}
else {
LogFile.WriteToFile(ESP_LOG_ERROR, TAG, "SetQualitySize: Failed to get control structure");
}
}
@@ -315,7 +423,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
#endif
camera_fb_t * fb = esp_camera_fb_get();
esp_camera_fb_return(fb);
esp_camera_fb_return(fb);
fb = esp_camera_fb_get();
if (!fb) {
LEDOnOff(false);
@@ -340,24 +448,44 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
else {
LogFile.WriteToFile(ESP_LOG_ERROR, TAG, "CaptureToBasisImage: Can't allocate _zwImage");
}
esp_camera_fb_return(fb);
esp_camera_fb_return(fb);
#ifdef DEBUG_DETAIL_ON
LogFile.WriteHeapInfo("CaptureToBasisImage - After fb_get");
#endif
LEDOnOff(false);
LEDOnOff(false);
if (delay > 0)
LightOnOff(false);
// TickType_t xDelay = 1000 / portTICK_PERIOD_MS;
// TickType_t xDelay = 1000 / portTICK_PERIOD_MS;
// vTaskDelay( xDelay ); // wait for power to recover
#ifdef DEBUG_DETAIL_ON
LogFile.WriteHeapInfo("CaptureToBasisImage - After LoadFromMemory");
#endif
if (_zwImage == NULL) {
return ESP_OK;
}
if (_zwImage->getWidth() > image_width || _zwImage->getHeight() > image_height) {
int cropLeft = (_zwImage->getWidth() - image_width) / 2;
if (cropLeft < 0)
cropLeft = 0;
int cropRight = _zwImage->getWidth() - cropLeft - image_width;
if (cropRight < 0)
cropRight = 0;
int cropTop = (_zwImage->getHeight() - image_height) / 2;
if (cropTop < 0)
cropTop = 0;
int cropBottom = _zwImage->getHeight() - cropTop - image_height;
if (cropBottom < 0)
cropBottom = 0;
_zwImage->crop_image(cropLeft, cropRight, cropTop, cropBottom);
}
stbi_uc* p_target;
stbi_uc* p_source;
int channels = 3;
@@ -375,9 +503,9 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
{
p_target = _Image->rgb_image + (channels * (y * width + x));
p_source = _zwImage->rgb_image + (channels * (y * width + x));
p_target[0] = p_source[0];
p_target[1] = p_source[1];
p_target[2] = p_source[2];
for (int c = 0; c < channels; c++) {
p_target[c] = p_source[c];
}
}
delete _zwImage;
@@ -386,7 +514,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
LogFile.WriteHeapInfo("CaptureToBasisImage - Done");
#endif
return ESP_OK;
return ESP_OK;
}
@@ -394,7 +522,7 @@ esp_err_t CCamera::CaptureToFile(std::string nm, int delay)
{
string ftype;
LEDOnOff(true); // Switched off to save power !
LEDOnOff(true); // Switched off to save power !
if (delay > 0) {
LightOnOff(true);
@@ -414,7 +542,7 @@ esp_err_t CCamera::CaptureToFile(std::string nm, int delay)
return ESP_FAIL;
}
LEDOnOff(false);
LEDOnOff(false);
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "w %d, h %d, size %d", fb->width, fb->height, fb->len);
@@ -504,8 +632,7 @@ esp_err_t CCamera::CaptureToHTTP(httpd_req_t *req, int delay)
return ESP_FAIL;
}
LEDOnOff(false);
LEDOnOff(false);
res = httpd_resp_set_type(req, "image/jpeg");
if(res == ESP_OK){
res = httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=raw.jpg");
@@ -662,49 +789,89 @@ void CCamera::LEDOnOff(bool status)
}
void CCamera::GetCameraParameter(httpd_req_t *req, int &qual, framesize_t &resol)
void CCamera::GetCameraParameter(httpd_req_t *req, int &qual, framesize_t &resol, bool &zoomEnabled, int &zoomMode, int &zoomOffsetX, int &zoomOffsetY)
{
char _query[100];
char _qual[10];
char _size[10];
char _value[10];
resol = ActualResolution;
qual = ActualQuality;
zoomEnabled = imageZoomEnabled;
zoomMode = imageZoomMode;
zoomOffsetX = imageZoomOffsetX;
zoomOffsetY = imageZoomOffsetY;
if (httpd_req_get_url_query_str(req, _query, 100) == ESP_OK)
{
ESP_LOGD(TAG, "Query: %s", _query);
if (httpd_query_key_value(_query, "size", _size, 10) == ESP_OK)
if (httpd_query_key_value(_query, "size", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "Size: %s", _size);
#endif
if (strcmp(_size, "QVGA") == 0)
if (strcmp(_value, "QVGA") == 0)
resol = FRAMESIZE_QVGA; // 320x240
else if (strcmp(_size, "VGA") == 0)
else if (strcmp(_value, "VGA") == 0)
resol = FRAMESIZE_VGA; // 640x480
else if (strcmp(_size, "SVGA") == 0)
else if (strcmp(_value, "SVGA") == 0)
resol = FRAMESIZE_SVGA; // 800x600
else if (strcmp(_size, "XGA") == 0)
else if (strcmp(_value, "XGA") == 0)
resol = FRAMESIZE_XGA; // 1024x768
else if (strcmp(_size, "SXGA") == 0)
else if (strcmp(_value, "SXGA") == 0)
resol = FRAMESIZE_SXGA; // 1280x1024
else if (strcmp(_size, "UXGA") == 0)
else if (strcmp(_value, "UXGA") == 0)
resol = FRAMESIZE_UXGA; // 1600x1200
}
if (httpd_query_key_value(_query, "quality", _qual, 10) == ESP_OK)
if (httpd_query_key_value(_query, "quality", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "Quality: %s", _qual);
#endif
qual = atoi(_qual);
qual = atoi(_value);
if (qual > 63) // Limit to max. 63
qual = 63;
else if (qual < 8) // Limit to min. 8
qual = 8;
}
if (httpd_query_key_value(_query, "z", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "Zoom: %s", _value);
#endif
if (atoi(_value) != 0)
zoomEnabled = true;
else
zoomEnabled = false;
}
if (httpd_query_key_value(_query, "zm", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "Zoom mode: %s", _value);
#endif
zoomMode = atoi(_value);
if (zoomMode > 2)
zoomMode = 2;
else if (zoomMode < 0)
zoomMode = 0;
}
if (httpd_query_key_value(_query, "x", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "X offset: %s", _value);
#endif
zoomOffsetX = atoi(_value);
if (zoomOffsetX < 0)
zoomOffsetX = 0;
}
if (httpd_query_key_value(_query, "y", _value, sizeof(_value)) == ESP_OK)
{
#ifdef DEBUG_DETAIL_ON
ESP_LOGD(TAG, "Y offset: %s", _value);
#endif
zoomOffsetY = atoi(_value);
if (zoomOffsetY < 0)
zoomOffsetY = 0;
}
}
}