im trying to rip my stream with streamlink and then send it to my local rtmp server by using |streamlink https://www.twitch.tv/mytwitch best -O | ffmpeg -i pipe: -c copy -f flv rtmp://127.0.0.1/live| im geting an error |error: Error when writing to output: [Errno 32] Broken pipe, exiting| what am i doing wrong guys ?