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Diffstat (limited to 'mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp')
-rw-r--r--mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp235
1 files changed, 112 insertions, 123 deletions
diff --git a/mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp b/mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp
index dd5e557d..b2357f7a 100644
--- a/mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp
+++ b/mv_barcode/barcode_detector/src/mv_barcode_detect_open.cpp
@@ -26,128 +26,117 @@
using namespace MediaVision::Barcode;
int mv_barcode_detect_open(
- mv_source_h source,
- mv_engine_config_h engine_cfg,
- mv_rectangle_s roi,
- mv_barcode_detected_cb detect_cb,
- void *user_data)
+ mv_source_h source,
+ mv_engine_config_h engine_cfg,
+ mv_rectangle_s roi,
+ mv_barcode_detected_cb detect_cb,
+ void *user_data)
{
- if (!source || !detect_cb)
- {
- return MEDIA_VISION_ERROR_INVALID_PARAMETER;
- }
-
- zbar::Image image;
- int err = convertSourceMV2Zbar(source, image);
- if (err != MEDIA_VISION_ERROR_NONE)
- {
- LOGW("convertSourceMV2Zbar failed");
- return err;
- }
-
- zbar::Image greyImage = image.convert("Y800");
- greyImage.set_crop(roi.point.x, roi.point.y, roi.width, roi.height);
- zbar::ImageScanner scanner;
-
- int target_val;
- err = mv_engine_config_get_int_attribute(engine_cfg, "MV_BARCODE_DETECT_ATTR_TARGET", &target_val);
- if (err != MEDIA_VISION_ERROR_NONE)
- {
- LOGW("mv_engine_config_get_int_attribute failed");
- return err;
- }
-
- /**
- * 0 - linear barcodes and QR codes
- * 1 - only linear barcodes
- * 2 - only QR codes
- */
- switch (target_val)
- {
- case 0:
- scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 1);
- break;
- case 1:
- scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 0);
- scanner.set_config(zbar::ZBAR_UPCA, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_UPCE, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_EAN8, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_EAN13, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_CODE128, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_CODE39, zbar::ZBAR_CFG_ENABLE, 1);
- scanner.set_config(zbar::ZBAR_I25, zbar::ZBAR_CFG_ENABLE, 1);
- break;
- case 2:
- scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 0);
- scanner.set_config(zbar::ZBAR_QRCODE, zbar::ZBAR_CFG_ENABLE, 1);
- break;
- default:
- LOGW("Unavailabe target value %d", target_val);
- }
-
- int numberOfBarcodes = scanner.scan(greyImage);
- LOGI("ZBar scanner has found %i barcodes on the mv_source_h", numberOfBarcodes);
- mv_quadrangle_s *barcodeLocations = NULL;
- mv_barcode_type_e *types = NULL;
-
- if (numberOfBarcodes == 0)
- {
- LOGI("Call the detect callback for 0 detected barcodes");
- detect_cb(source, engine_cfg, barcodeLocations, NULL, types, numberOfBarcodes, user_data);
- return MEDIA_VISION_ERROR_NONE;
- }
- else if (numberOfBarcodes < 0)
- {
- LOGW("Incorrect number of barcodes (%i), detection is terminated", numberOfBarcodes);
- return MEDIA_VISION_ERROR_INTERNAL;
- }
-
- const char **messagesArray = new const char*[numberOfBarcodes];
- barcodeLocations = new mv_quadrangle_s[numberOfBarcodes];
- types = new mv_barcode_type_e[numberOfBarcodes];
-
- int i = 0;
- //extract results and prepare them for callback passing
- for (zbar::SymbolIterator symbol = greyImage.symbol_begin();
- symbol != greyImage.symbol_end();
- ++symbol, ++i)
- {
- Barcode curBarcode(*symbol);
-
- size_t messageLength = curBarcode.getMessage().size();
- char *curMessage = new char[messageLength + 1];
- curBarcode.getMessage().copy(curMessage, messageLength);
- curMessage[messageLength] = '\0';
- messagesArray[i] = curMessage;
-
- types[i] = curBarcode.getType();
-
- int err = curBarcode.calculateLocation(barcodeLocations[i]);
- if (err != MEDIA_VISION_ERROR_NONE)
- {
- LOGW("Can't determine location for barcode, detection is terminated");
- for (int j = 0; j <= i; ++j)
- {
- delete[] messagesArray[j];
- }
- delete[] messagesArray;
- delete[] barcodeLocations;
- delete[] types;
- return err;
- }
- }
-
- LOGI("Call the detect callback for %i detected barcodes", numberOfBarcodes);
- detect_cb(source, engine_cfg, barcodeLocations, messagesArray, types, numberOfBarcodes, user_data);
-
- LOGI("Clean the memory from barcodes messages, locations and types");
- for (int j = 0; j < numberOfBarcodes; ++j)
- {
- delete[] messagesArray[j];
- }
- delete[] messagesArray;
- delete[] barcodeLocations;
- delete[] types;
-
- return MEDIA_VISION_ERROR_NONE;
+ if (!source || !detect_cb) {
+ return MEDIA_VISION_ERROR_INVALID_PARAMETER;
+ }
+
+ zbar::Image image;
+ int err = convertSourceMV2Zbar(source, image);
+ if (err != MEDIA_VISION_ERROR_NONE) {
+ LOGW("convertSourceMV2Zbar failed");
+ return err;
+ }
+
+ zbar::Image greyImage = image.convert("Y800");
+ greyImage.set_crop(roi.point.x, roi.point.y, roi.width, roi.height);
+ zbar::ImageScanner scanner;
+
+ int target_val;
+ err = mv_engine_config_get_int_attribute(engine_cfg, "MV_BARCODE_DETECT_ATTR_TARGET", &target_val);
+ if (err != MEDIA_VISION_ERROR_NONE) {
+ LOGW("mv_engine_config_get_int_attribute failed");
+ return err;
+ }
+
+ /**
+ * 0 - linear barcodes and QR codes
+ * 1 - only linear barcodes
+ * 2 - only QR codes
+ */
+ switch (target_val) {
+ case 0:
+ scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 1);
+ break;
+ case 1:
+ scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 0);
+ scanner.set_config(zbar::ZBAR_UPCA, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_UPCE, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_EAN8, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_EAN13, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_CODE128, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_CODE39, zbar::ZBAR_CFG_ENABLE, 1);
+ scanner.set_config(zbar::ZBAR_I25, zbar::ZBAR_CFG_ENABLE, 1);
+ break;
+ case 2:
+ scanner.set_config(zbar::ZBAR_NONE, zbar::ZBAR_CFG_ENABLE, 0);
+ scanner.set_config(zbar::ZBAR_QRCODE, zbar::ZBAR_CFG_ENABLE, 1);
+ break;
+ default:
+ LOGW("Unavailabe target value %d", target_val);
+ }
+
+ int numberOfBarcodes = scanner.scan(greyImage);
+ LOGI("ZBar scanner has found %i barcodes on the mv_source_h", numberOfBarcodes);
+ mv_quadrangle_s *barcodeLocations = NULL;
+ mv_barcode_type_e *types = NULL;
+
+ if (numberOfBarcodes == 0) {
+ LOGI("Call the detect callback for 0 detected barcodes");
+ detect_cb(source, engine_cfg, barcodeLocations, NULL, types, numberOfBarcodes, user_data);
+ return MEDIA_VISION_ERROR_NONE;
+ } else if (numberOfBarcodes < 0) {
+ LOGW("Incorrect number of barcodes (%i), detection is terminated", numberOfBarcodes);
+ return MEDIA_VISION_ERROR_INTERNAL;
+ }
+
+ const char **messagesArray = new const char*[numberOfBarcodes];
+ barcodeLocations = new mv_quadrangle_s[numberOfBarcodes];
+ types = new mv_barcode_type_e[numberOfBarcodes];
+
+ int i = 0;
+ /* extract results and prepare them for callback passing */
+ for (zbar::SymbolIterator symbol = greyImage.symbol_begin();
+ symbol != greyImage.symbol_end();
+ ++symbol, ++i) {
+ Barcode curBarcode(*symbol);
+
+ size_t messageLength = curBarcode.getMessage().size();
+ char *curMessage = new char[messageLength + 1];
+ curBarcode.getMessage().copy(curMessage, messageLength);
+ curMessage[messageLength] = '\0';
+ messagesArray[i] = curMessage;
+
+ types[i] = curBarcode.getType();
+
+ int err = curBarcode.calculateLocation(barcodeLocations[i]);
+ if (err != MEDIA_VISION_ERROR_NONE) {
+ LOGW("Can't determine location for barcode, detection is terminated");
+ for (int j = 0; j <= i; ++j) {
+ delete[] messagesArray[j];
+ }
+ delete[] messagesArray;
+ delete[] barcodeLocations;
+ delete[] types;
+ return err;
+ }
+ }
+
+ LOGI("Call the detect callback for %i detected barcodes", numberOfBarcodes);
+ detect_cb(source, engine_cfg, barcodeLocations, messagesArray, types, numberOfBarcodes, user_data);
+
+ LOGI("Clean the memory from barcodes messages, locations and types");
+ for (int j = 0; j < numberOfBarcodes; ++j) {
+ delete[] messagesArray[j];
+ }
+ delete[] messagesArray;
+ delete[] barcodeLocations;
+ delete[] types;
+
+ return MEDIA_VISION_ERROR_NONE;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 14:14:13 +0000