Control a ReWire host's transport When you choose the ad_rewire driver in the Audio Status window, the hostcontrol~ object lets you send commands to the ReWire host to start and stop the transport, set the transport position, change the tempo, change the time signature, and set loop points. Cycling '74 MSP MSP Plug-ins (int/msg) 1=start, 0=stop, seek, tempo, bpm, loop, timesig TEXT_HERE TEXT_HERE TEXT_HERE TEXT_HERE Stop/start playback 1 starts playing from the beginning. 0 stops playing and resets the position to the beginning. Change the host tempo in beats per minute The word bpm, followed by a number (in beats per minute), changes the host's tempo. Control the host's loop state The word loop, followed by one or three numbers, controls the host's loop state. If the first number is non-zero, looping will be enabled; otherwise, it will be turned off. An optional second and third number may be used to specify the loop start and end points, expressed in 1 PPQ ticks. If the second and third numbers are not present, the loop points are not changed. Stop playback without changing current position The word pause stops playback without changing the current position. Start playback from the current position The word resume starts playback from the current position. Set the current transport position The word seek, followed by a number specifying ticks (in 1 PPQ), sets the current transport position. For example, to seek to the start of the fifth measure if the time signature is 4/4 the send the message "seek 16". Change the host tempo in samples per beat The word tempo, followed by a number (in samples per beat), changes the host's tempo. Change the host's time signature The word timesig, followed by two numbers that specify numerator and denominator values, changes the host's time signature. For example, to set the time signature to 3/4 send the message timesig 3 4. Controls a Rewire host.