chaturbate recording

[AgentClapTrap]

not sure if i can but how do i change the resolution for the stream when im using this code

@echo off
setlocal enableDelayedExpansion

set USERNAME=AnonymousUser
set PASSWORD=anonymous
set CB_VERSION=9

set SECONDS=15

set /p model=Enter username:
set model=%model:https://chaturbate.com/=%
set model=%model:/=%

set OUT_DIR=captures\%model%

if not exist %OUT_DIR% (mkdir %OUT_DIR%)

for /L %%i in (1,1,99) do (
set N=!time:~9,12!
set /a N=10000!N! %% 10000
set rand=!random!
set /a rand=!rand!* 31/32768+1
set /a rand=!N!+!rand!
set /a rand=!rand!*31/131+1
)
set server=edge%rand%

:doCapture
for /r %%F in (*) do if %%~zF==0 @del "%%F"
set ts=%date:/=-%_%time::=-%
set ts=%ts: =%
set output=%OUT_DIR%\%model%_%ts%.flv
set PASSWORD=%PASSWORD:\u003D==%

color 2F && title %model% @ %time% - %server%
cls && echo Capturing: %model% @ %time% - %server% && echo.

rtmpdump --live --timeout 20 ^
-r "rtmp://%server%.stream.highwebmedia.com/live-edge" ^
-p "http://chaturbate.com/%model%" ^
-C S:%USERNAME% ^
-C S:%model% ^
-C S:%CB_VERSION% ^
-C S:%PASSWORD% ^
-y "playpath" -o %output%

for %%r in (%output%) do (
if %%~zr lss 1 del %output%
color 4F && title %model% - OFFLINE
)

set /a rand=%random%*31/32768+1
set server=edge%rand%

timeout %SECONDS%
goto doCapture