object

      Object associated with this media control interface command. The object can be one of the following:

      • Device type
      • Device name
      • Filename
      • Alias
      AUDIO
        Sets the audio attributes of the device context specified by the ALL, LEFT, RIGHT, OVER and VOLUME keywords.

        ALL

          Applies to both or all of the channels (default).

          Specify ON or OFF with the ALL keyword.

          ON

            Enables audio output.
          OFF
            Disables audio output.
          LEFT
            Applies to left channel.

            Specify ON or OFF with the LEFT keyword.

            ON

              Enables audio output to the left channel.
            OFF
              Disables audio output to the left channel.
            RIGHT
              Applies to right channel.

              Specify ON or OFF with the RIGHT keyword.

              ON

                Enables audio output to the right channel.
              OFF
                Disables audio output to the right channel.
              OVER milliseconds
                Applies the change over the specified time period (fade).
              VOLUME percentage
                Sets the device/mixer channel volume level.
              MASTER MIDI
                Sets the MIDI sequencer as the synchronization source. Synchronization data is sent in MIDI format. The IBM sequencer does not support this option.
              MASTER NONE
                Inhibits the sequencer from sending synchronization data. The IBM sequencer does not support this option.
              MASTER SMPTE
                Sets the MIDI sequencer as the synchronization source. Synchronization data is sent in SMPTE format. The IBM sequencer does not support this option.
              OFFSET time
                The SMPTE offset time in colon form (HOURS:MINUTES:SECONDS:FRAMES).
              PORT MAPPER
                The MIDI mapper is the port receiving the MIDI messages. This command will fail if the MIDI mapper or a port it needs is being used by another sequence or client.
              PORT NONE
                Disables the sending of MIDI messages. Currently this function is not supported by the IBM sequencer.
              SLAVE FILE
                Sets the MIDI sequencer to use file data as the synchronization source. This is the default.
              SLAVE MIDI
                Sets the MIDI sequencer to use incoming MIDI data as the synchronization source. The sequencer recognizes synchronization data with the MIDI format. The IBM sequencer does not support this option.
              SLAVE NONE
                Sets the MIDI sequencer to ignore synchronization data.
              SLAVE SMPTE
                Sets the MIDI sequencer to use incoming MIDI data for the synchronization source. The sequencer recognizes synchronization data with the SMPTE format. The IBM sequencer does not support this option.
              TEMPO integer
                The tempo of the sequence according to the current time format. For a ppqn-based file, the integer is interpreted as beats per minute. For a SMPTE based file, the integer is interpreted as frames per second.
              TIME FORMAT MILLISECONDS
                Sets time format to milliseconds. All position information is specified as milliseconds following this command. The sequence file sets the default format to ppqn or SMPTE. You can abbreviate milliseconds as ms.
              TIME FORMAT MMTIME
                Sets the time format to MMTIME.
              TIME FORMAT SONG POINTER
                Sets the time format to song-pointer (sixteenth notes). This can only be performed for a sequence of division type ppqn. Currently this function is not supported by the IBM sequencer.
              TIME FORMAT SMPTE 24
                Sets the time format to SMPTE 24 frame rate. All position information is specified in SMPTE format following this command. The sequence file sets the default format to ppqn or SMPTE.
              TIME FORMAT SMPTE 25
                Sets the time format to SMPTE 25 frame rate. All position information is specified in SMPTE format following this command. The sequence file sets the default format to ppqn or SMPTE.
              TIME FORMAT SMPTE 30
                Sets the time format to SMPTE 30 frame rate. All position information is specified in SMPTE format following this command. The sequence file sets the default format to ppqn or SMPTE.
              TIME FORMAT SMPTE 30 DROP
                Sets the time format to SMPTE 30 drop frame rate. All position information is specified in SMPTE format following this command. The sequence file sets the default format to ppqn or SMPTE. Currently this function is not supported by the IBM sequencer.
              WAIT
                The command is executed synchronously. The function waits until the requested action is complete before returning to the application.
              NOTIFY
                The command is executed asynchronously, allowing control to be returned immediately to the application. When the requested action is complete, an MM_MCINOTIFY message is sent to the application window procedure.

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