AAGSB-2042 mods to stream camera data

Author: jwdinius

rosboard/compression.py

@@ -146,10 +146,10 @@ def compress_compressed_image(msg, output):
             stride = int(np.ceil(max(img.shape[0] / 800.0, img.shape[1] / 800.0)))
             img = img[::stride,::stride]
         img_jpeg = encode_jpeg(img)
+        output["_data_jpeg"] = base64.b64encode(img_jpeg).decode()
+        output["_data_shape"] = list(original_shape)
     except Exception as e:
         output["_error"] = "Error: %s" % str(e)
-    output["_data_jpeg"] = base64.b64encode(img_jpeg).decode()
-    output["_data_shape"] = list(original_shape)
 
 
 def compress_image(msg, output):

rosboard/html/js/viewers/ImageViewer.js

@@ -73,6 +73,7 @@ class ImageViewer extends Viewer {
 
   decodeAndRenderCompressed(msg) {
     this.img[0].src = "data:image/jpeg;base64," + msg._data_jpeg;
+    this.img[0].id = msg._topic_name;
     this.lastMsg = msg;
   }