Remote output/source: implemented choice of sample size in transmission. Fixes in the size conversion routines

sdrbase/resources/webapi/doc/html2/index.html

@@ -9863,6 +9863,9 @@ margin-bottom: 20px;
     "nbFECBlocks" : {
       "type" : "integer"
     },
+    "nbTxBytes" : {
+      "type" : "integer"
+    },
     "apiAddress" : {
       "type" : "string"
     },
@@ -51622,7 +51625,7 @@ except ApiException as e:
           </div>
           <div id="generator">
             <div class="content">
-              Generated 2021-12-15T21:39:08.842+01:00
+              Generated 2021-12-18T22:54:13.645+01:00
             </div>
           </div>
       </div>

sdrbase/resources/webapi/doc/swagger/include/RemoteOutput.yaml

@@ -3,6 +3,8 @@ RemoteOutputSettings:
   properties:
     nbFECBlocks:
       type: integer
+    nbTxBytes:
+      type: integer
     apiAddress:
       type: string
     apiPort: