add length for each opus packet

volvet · Feb 21, 2016 · 05ced10 · 05ced10
1 parent 5135e78
commit 05ced10
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/rtp_opus_extractor.lua b/rtp_opus_extractor.lua
@@ -55,7 +55,18 @@ do
             end  
         end
         
+        local function writebytes(f,x)
+            local b1=string.char(x%256) x=(x-x%256)/256
+            local b2=string.char(x%256) x=(x-x%256)/256
+            local b3=string.char(x%256) x=(x-x%256)/256
+            local b4=string.char(x%256) x=(x-x%256)/256
+            f:write(b1,b2,b3,b4)
+        end
+        
         local function on_ordered_opus_payload(seq, opus_data)
+            length = opus_data:tvb():len()
+            --log("Opus packet length = "..tostring(length).."formated:"..string.format("%04x", length))         
+            writebytes(fp, length)
             fp:write(opus_data:tvb()():raw())
             fp:flush()
         end