add eHDR controls

This commit is contained in:
Maik Jurischka
2025-12-19 09:12:54 +01:00
parent e729354c8f
commit a6cf510607
4 changed files with 323 additions and 1 deletions

View File

@@ -74,6 +74,18 @@ std::string CameraController::processCommand(const std::string& jsonCommand) {
return handleStopStream();
} else if (command == "set_pipeline") {
return handleSetPipeline(getParam("pipeline"));
} else if (command == "set_ehdr_mode") {
return handleSetEHDRMode(getParam("mode"));
} else if (command == "set_ehdr_exposure_min") {
return handleSetEHDRExposureMin(getParam("value"));
} else if (command == "set_ehdr_exposure_max") {
return handleSetEHDRExposureMax(getParam("value"));
} else if (command == "set_ehdr_ratio_min") {
return handleSetEHDRRatioMin(getParam("value"));
} else if (command == "set_ehdr_ratio_max") {
return handleSetEHDRRatioMax(getParam("value"));
} else if (command == "get_ehdr_status") {
return handleGetEHDRStatus();
} else {
return createErrorResponse("Unknown command: " + command);
}
@@ -233,6 +245,89 @@ std::string CameraController::handleSetGain(const std::string& value) {
}
}
std::string CameraController::handleSetEHDRMode(const std::string& value) {
try {
const int mode = std::stoi(value);
if (VxSetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_IMAGE_EHDR_MODE, mode) != 0) {
return createErrorResponse("Failed to set eHDR mode");
}
return createSuccessResponse("eHDR mode set successfully");
} catch (const std::exception& e) {
return createErrorResponse(std::string("Invalid parameters: ") + e.what());
}
}
std::string CameraController::handleSetEHDRExposureMin(const std::string& value) {
try {
const int minExp = std::stoi(value);
if (VxSetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_EXPOSURE_MIN_NUMBER, minExp) != 0) {
return createErrorResponse("Failed to set eHDR exposure min");
}
return createSuccessResponse("eHDR exposure min set successfully");
} catch (const std::exception& e) {
return createErrorResponse(std::string("Invalid parameters: ") + e.what());
}
}
std::string CameraController::handleSetEHDRExposureMax(const std::string& value) {
try {
const int maxExp = std::stoi(value);
if (VxSetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_EXPOSURE_MAX_NUMBER, maxExp) != 0) {
return createErrorResponse("Failed to set eHDR exposure max");
}
return createSuccessResponse("eHDR exposure max set successfully");
} catch (const std::exception& e) {
return createErrorResponse(std::string("Invalid parameters: ") + e.what());
}
}
std::string CameraController::handleSetEHDRRatioMin(const std::string& value) {
try {
const int minRatio = std::stoi(value);
if (VxSetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_RATIO_MIN, minRatio) != 0) {
return createErrorResponse("Failed to set eHDR ratio min");
}
return createSuccessResponse("eHDR ratio min set successfully");
} catch (const std::exception& e) {
return createErrorResponse(std::string("Invalid parameters: ") + e.what());
}
}
std::string CameraController::handleSetEHDRRatioMax(const std::string& value) {
try {
const int maxRatio = std::stoi(value);
if (VxSetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_RATIO_MAX, maxRatio) != 0) {
return createErrorResponse("Failed to set eHDR ratio max");
}
return createSuccessResponse("eHDR ratio max set successfully");
} catch (const std::exception& e) {
return createErrorResponse(std::string("Invalid parameters: ") + e.what());
}
}
std::string CameraController::handleGetEHDRStatus() {
int mode = 0, flag = 0;
int expMin = 0, expMax = 0;
int ratioMin = 0, ratioMax = 0;
if (VxGetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_IMAGE_EHDR_MODE, mode, flag) != 0) {
return createErrorResponse("Failed to get eHDR mode");
}
VxGetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_EXPOSURE_MIN_NUMBER, expMin, flag);
VxGetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_EXPOSURE_MAX_NUMBER, expMax, flag);
VxGetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_RATIO_MIN, ratioMin, flag);
VxGetISPImageProcessing(camera_, VX_ISP_IMAGE_PROPERTIES::ISP_EHDR_RATIO_MAX, ratioMax, flag);
std::ostringstream oss;
oss << "{\"status\":\"success\",\"ehdr_mode\":" << mode
<< ",\"exposure_min\":" << expMin
<< ",\"exposure_max\":" << expMax
<< ",\"ratio_min\":" << ratioMin
<< ",\"ratio_max\":" << ratioMax << "}";
return oss.str();
}
std::string CameraController::handleGetStatus() {
std::ostringstream oss;
oss << "{\"status\":\"success\",\"streaming\":" << (streamingEngine_->isRunning() ? "true" : "false")

View File

@@ -33,6 +33,12 @@ private:
std::string handleStartStream();
std::string handleStopStream();
std::string handleSetPipeline(const std::string& pipeline);
std::string handleSetEHDRMode(const std::string& value);
std::string handleSetEHDRExposureMin(const std::string& value);
std::string handleSetEHDRExposureMax(const std::string& value);
std::string handleSetEHDRRatioMin(const std::string& value);
std::string handleSetEHDRRatioMax(const std::string& value);
std::string handleGetEHDRStatus();
// Helper functions
VX_IMAGE_FORMAT stringToFormat(const std::string& format);

View File

@@ -433,6 +433,168 @@ Adjust camera gain.
---
### 15. Set eHDR Mode
Enable or disable eHDR (Enhanced High Dynamic Range) mode.
**Note:** eHDR features are only available on specific camera models: VCI-AR0821/AR0822, VCS-AR0821/AR0822, VLS3-AR0821/AR0822, VLS-GM2-AR0821/AR0822, and TEVS-AR0821/AR0822.
**Command:**
```json
{
"command": "set_ehdr_mode",
"params": {
"mode": "0"
}
}
```
**Parameters:**
- `mode`: "0" to enable eHDR, "1" to disable eHDR
**Response:**
```json
{
"status": "success",
"message": "eHDR mode set successfully"
}
```
---
### 16. Set eHDR Exposure Minimum
Set the minimum number of exposure frames for eHDR.
**Command:**
```json
{
"command": "set_ehdr_exposure_min",
"params": {
"value": "1"
}
}
```
**Parameters:**
- `value`: Minimum exposure frames (range: 1-4, default: 1)
**Response:**
```json
{
"status": "success",
"message": "eHDR exposure min set successfully"
}
```
---
### 17. Set eHDR Exposure Maximum
Set the maximum number of exposure frames for eHDR.
**Command:**
```json
{
"command": "set_ehdr_exposure_max",
"params": {
"value": "4"
}
}
```
**Parameters:**
- `value`: Maximum exposure frames (range: 1-4, default: 4)
**Response:**
```json
{
"status": "success",
"message": "eHDR exposure max set successfully"
}
```
---
### 18. Set eHDR Ratio Minimum
Set the minimum exposure ratio for eHDR.
**Command:**
```json
{
"command": "set_ehdr_ratio_min",
"params": {
"value": "12"
}
}
```
**Parameters:**
- `value`: Minimum exposure ratio (range: 1-128, default: 12)
**Response:**
```json
{
"status": "success",
"message": "eHDR ratio min set successfully"
}
```
---
### 19. Set eHDR Ratio Maximum
Set the maximum exposure ratio for eHDR.
**Command:**
```json
{
"command": "set_ehdr_ratio_max",
"params": {
"value": "24"
}
}
```
**Parameters:**
- `value`: Maximum exposure ratio (range: 1-128, default: 24)
**Response:**
```json
{
"status": "success",
"message": "eHDR ratio max set successfully"
}
```
---
### 20. Get eHDR Status
Retrieve all current eHDR settings.
**Command:**
```json
{
"command": "get_ehdr_status"
}
```
**Response:**
```json
{
"status": "success",
"ehdr_mode": 0,
"exposure_min": 1,
"exposure_max": 4,
"ratio_min": 12,
"ratio_max": 24
}
```
---
## Usage Examples
### Complete Workflow Example
@@ -448,6 +610,13 @@ echo '{"command":"set_format","params":{"width":"1920","height":"1080","framerat
echo '{"command":"set_exposure","params":{"mode":"auto"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_brightness","params":{"value":"50"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# 3a. (Optional) Configure eHDR settings (for compatible cameras)
echo '{"command":"set_ehdr_mode","params":{"mode":"0"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_exposure_min","params":{"value":"1"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_exposure_max","params":{"value":"4"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_ratio_min","params":{"value":"12"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_ratio_max","params":{"value":"24"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# 4. Start streaming
echo '{"command":"start_stream"}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
@@ -499,6 +668,27 @@ echo '{"command":"get_status"}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"stop_stream"}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
```
### eHDR Control Examples
```bash
# Enable eHDR mode
echo '{"command":"set_ehdr_mode","params":{"mode":"0"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# Disable eHDR mode
echo '{"command":"set_ehdr_mode","params":{"mode":"1"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# Configure eHDR exposure range
echo '{"command":"set_ehdr_exposure_min","params":{"value":"1"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_exposure_max","params":{"value":"4"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# Configure eHDR ratio range
echo '{"command":"set_ehdr_ratio_min","params":{"value":"12"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
echo '{"command":"set_ehdr_ratio_max","params":{"value":"24"}}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
# Get current eHDR settings
echo '{"command":"get_ehdr_status"}' | socat - UNIX-CONNECT:/tmp/vizion_control.sock
```
### Using `nc` (netcat with Unix socket support)
```bash
@@ -535,6 +725,14 @@ print(send_command("set_format", {
}))
print(send_command("set_exposure", {"mode": "auto"}))
print(send_command("start_stream"))
# eHDR control examples (for compatible cameras)
print(send_command("set_ehdr_mode", {"mode": "0"})) # Enable eHDR
print(send_command("set_ehdr_exposure_min", {"value": "1"}))
print(send_command("set_ehdr_exposure_max", {"value": "4"}))
print(send_command("set_ehdr_ratio_min", {"value": "12"}))
print(send_command("set_ehdr_ratio_max", {"value": "24"}))
print(send_command("get_ehdr_status")) # Get current eHDR settings
```
### Using C++
@@ -569,6 +767,13 @@ std::string sendCommand(const std::string& command) {
int main() {
std::cout << sendCommand(R"({"command":"get_formats"})") << std::endl;
std::cout << sendCommand(R"({"command":"set_brightness","params":{"value":"50"}})") << std::endl;
// eHDR control examples (for compatible cameras)
std::cout << sendCommand(R"({"command":"set_ehdr_mode","params":{"mode":"0"}})") << std::endl;
std::cout << sendCommand(R"({"command":"set_ehdr_exposure_min","params":{"value":"1"}})") << std::endl;
std::cout << sendCommand(R"({"command":"set_ehdr_exposure_max","params":{"value":"4"}})") << std::endl;
std::cout << sendCommand(R"({"command":"get_ehdr_status"})") << std::endl;
return 0;
}
```
@@ -587,6 +792,20 @@ The valid ranges for camera parameters depend on the specific camera model. You
- Exposure: 1-10000 (in auto mode, value is ignored)
- White Balance Temperature: 2800-6500 Kelvin
**eHDR ranges (for compatible cameras only):**
- eHDR Mode: 0 (enable) or 1 (disable)
- eHDR Exposure Min: 1-4 (default: 1)
- eHDR Exposure Max: 1-4 (default: 4)
- eHDR Ratio Min: 1-128 (default: 12)
- eHDR Ratio Max: 1-128 (default: 24)
**Compatible eHDR Camera Models:**
- VCI-AR0821/AR0822
- VCS-AR0821/AR0822
- VLS3-AR0821/AR0822
- VLS-GM2-AR0821/AR0822
- TEVS-AR0821/AR0822
## Error Handling
Always check the `status` field in the response:
@@ -661,3 +880,5 @@ curl http://192.168.1.100:8080 > stream.mjpg
- Invalid parameter values will return an error response
- GStreamer pipeline errors will be reported when starting the stream
- Default pipeline: `videoconvert ! autovideosink` (display locally)
- eHDR features require compatible camera models (VCI/VCS/VLS3/VLS-GM2/TEVS-AR0821/AR0822)
- eHDR settings may be reset to defaults when the camera starts streaming (driver behavior)

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@@ -4,7 +4,7 @@
#include <utility>
StreamingEngine::StreamingEngine(std::shared_ptr<VxCamera> camera)
: camera_(std::move(camera)), running_(false), bufferSize_(0) {
: camera_(std::move(camera)), running_(false), currentFormat_(), bufferSize_(0) {
gstPipeline_ = std::make_unique<GStreamerPipeline>("");
}