Free boxes (#122)

* #120 Correctly free boxes

Author: easytarget

app_httpd.cpp

@@ -238,12 +238,12 @@ static int run_face_recognition(dl_matrix3du_t *image_matrix, box_array_t *net_b
                 rgb_printf(image_matrix, FACE_COLOR_GREEN, "%s%u", knownFaceText, matched_id);
             } else {
                 matched_id = -1;
-                Serial.print("FACE: no match found: ");
+                Serial.println("FACE: no match found:");
                 rgb_printf(image_matrix, FACE_COLOR_RED, "%s", unknownFaceText);
             }
         }
     } else {
-        Serial.print("FACE: not aligned: ");
+        Serial.println("FACE: not aligned:");
         rgb_print(image_matrix, FACE_COLOR_YELLOW, "???");
     }
 
@@ -400,6 +400,10 @@ static esp_err_t capture_handler(httpd_req_t *req){
             face_id = run_face_recognition(image_matrix, net_boxes);
         }
         draw_face_boxes(image_matrix, net_boxes, face_id);
+        dl_lib_free(net_boxes->score);
+        dl_lib_free(net_boxes->box);
+        dl_lib_free(net_boxes->landmark);
+        dl_lib_free(net_boxes);
     }
 
     jpg_chunking_t jchunk = {req, 0};
@@ -512,6 +516,10 @@ static esp_err_t stream_handler(httpd_req_t *req){
                                 }
                                 fr_recognize = esp_timer_get_time();
                                 draw_face_boxes(image_matrix, net_boxes, face_id);
+                                dl_lib_free(net_boxes->score);
+                                dl_lib_free(net_boxes->box);
+                                dl_lib_free(net_boxes->landmark);
+                                dl_lib_free(net_boxes);
                             }
                             if(!fmt2jpg(image_matrix->item, fb->width*fb->height*3, fb->width, fb->height, PIXFORMAT_RGB888, 90, &_jpg_buf, &_jpg_buf_len)){
                                 Serial.println("STREAM: fmt2jpg failed");

src/version.h

@@ -1,3 +1,3 @@
 /* Version of upstream code */
 
-char baseVersion[] = "3.2";
+char baseVersion[] = "3.2.1";