Update app.py

app.py

@@ -358,6 +358,21 @@ class LicensePlateProcessor:
 #                               PLAY GRADIO
 #===========================================================================#
 #===========================================================================#
+def js_to_prefere_the_back_camera_of_mobilephones():
+    custom_html = """
+    <script>
+    const originalGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
+    
+    navigator.mediaDevices.getUserMedia = (constraints) => {
+      if (!constraints.video.facingMode) {
+        constraints.video.facingMode = {ideal: "environment"};
+      }
+      return originalGetUserMedia(constraints);
+    };
+    </script>
+    """
+    return custom_html
+
 # Instanciar o processador
 processor = LicensePlateProcessor()
 
@@ -365,8 +380,8 @@ processor = LicensePlateProcessor()
 def process_webcam_frame(frame):
     return processor.process_frame(frame)
 
-
-with gr.Blocks() as demo:
+with gr.Blocks(head=js_to_prefere_the_back_camera_of_mobilephones()) as demo
+# with gr.Blocks() as demo:
     with gr.Row():
         with gr.Column():
             input_img = gr.Image(label="Webcam", sources="webcam", streaming=True, mirror_webcam=False)