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Support negative photo effect and auto exposure control 2

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This commit is contained in:
Joo Aun Saw
2024-01-12 01:28:34 +11:00
committed by CaCO3
parent d418d22155
commit a8fb88a35d
7 changed files with 102 additions and 20 deletions
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32
code/components/jomjol_controlcamera/ClassControllCamera.cpp
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@@ -170,7 +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, int _autoExposureLevel, bool _grayscale)
bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, int _saturation, int _autoExposureLevel, bool _grayscale, bool _negative, bool _aec2)
{
_brightness = min(2, max(-2, _brightness));
_contrast = min(2, max(-2, _contrast));
@@ -180,6 +180,7 @@ bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, in
sensor_t * s = esp_camera_sensor_get();
if (s) {
// auto exposure controls
s->set_aec2(s, _aec2 ? 1 : 0);
s->set_ae_level(s, _autoExposureLevel); // -2 to 2
s->set_gainceiling(s, GAINCEILING_2X); // GAINCEILING_2X 4X 8X 16X 32X 64X 128X
@@ -215,23 +216,20 @@ 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
int indirectReg0 = 0x07; // Set bit 0, 1, 2 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);
indirectReg0 |= 0x18;
}
if (_negative) {
indirectReg0 |= 0x40;
}
// 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, indirectReg0);
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");
@@ -245,6 +243,8 @@ bool CCamera::SetBrightnessContrastSaturation(int _brightness, int _contrast, in
saturation = _saturation;
autoExposureLevel = _autoExposureLevel;
imageGrayscale = _grayscale;
imageNegative = _negative;
imageAec2 = _aec2;
ESP_LOGD(TAG, "brightness %d, contrast: %d, saturation %d, autoExposureLevel %d, grayscale %d", brightness, contrast, saturation, autoExposureLevel, (int)imageGrayscale);