MCI_DGV_SETAUDIO_CLOCKTIME | When used with MCI_DGV_SETAUDIO_OVER, indicates that the time specified is in milliseconds and is absolute time. (This time is not in step with the playing of the workspace.) | |
MCI_DGV_SETAUDIO_ALG | Indicates the lpstrAlgorithm field of the MCI_DGV_SETAUDIO_PARMS data structure contains a pointer to a buffer containing the name of an audio compression algorithm. The compression algorithm is used by subsequent MCI_RESERVE or MCI_RECORD commands. The available algorithms are device dependent. If the algorithm is incompatible with the current file format, the file format is changed to the default format for the algorithm. | |
MCI_DGV_SETAUDIO_LEFT | When used with MCI_SET_ON, enables the left audio channel. When used with MCI_SET_OFF, it disables the left audio channel. When this flag is used with the combination of MCI_DGV_SETAUDIO_VALUE and MCI_DGV_SETAUDIO_VOLUME, it sets the volume of the left audio channel. When this flag is used with MCI_DGV_SETAUDIO_SOURCE, it specifies the left audio channel as the source for the audio input digitizer. | |
MCI_DGV_SETAUDIO_OVER | Specifies a transition length parameter is included in the dwOver field of the data structure identified by lParam2. The length value specifies how long (in units of the current time format) it should take to make a change that uses a factor. If this flag is not used, changes occur immediately. | |
MCI_DGV_SETAUDIO_QUALITY | Indicates the lpstrQuality field of the MCI_DGV_SETAUDIO_PARMS data structure contains a pointer to a buffer defining the audio quality. A text-string within the buffer specifies the characteristics of the audio compression algorithm. | |
| The MCI_DGV_SETAUDIO_ALG flag can be used to select a quality desciptor for the specified algorithm. If this flag is omitted then the current algorithm is used. | |
| The algorithms and descriptor names available depend on the device. Each device will supply documentation for the available algorithms and a description of the applicable descriptor names. The MCI_QUALITY command can define additional descriptor names. | |
MCI_DGV_SETAUDIO_RIGHT | When used with MCI_SET_ON, enables the right audio channel. When used with MCI_SET_OFF, it disables the right audio channel. When this flag is used with the combination of MCI_DGV_SETAUDIO_VALUE and MCI_DGV_SETAUDIO_VOLUME, it sets the volume of the right audio channel. | |
MCI_DGV_SETAUDIO_RECORD | Specifies whether recording should include or exclude audio data. When combined with MCI_SET_ON, audio data is recorded. When combined with MCI_SET_OFF, audio data is excluded. The default includes audio data. | |
MCI_DGV_SETAUDIO_VALUE | Indicates that a value is specified in the dwValue field of the data structure identified by lParam2. The meaning of the value is specified by the constant defined for the MCI_DGV_SETAUDIO_ITEM flag. | |
MCI_DGV_SETAUDIO_INPUT | Modifies the bass, treble, or volume flag so that it affects the input signal and modifies what is recorded. If possible, this is the default when monitoring the input. | |
MCI_SETAUDIO_OUTPUT | Modifies the bass, treble, or volume flag so that it modifies only the played signal and not what is recorded. If possible, this is the default when monitoring the input. | |
MCI_SET_ON | Enables the specified audio channel. | |
MCI_SET_OFF | Disables the specified audio channel. | |
LPMCI_DGV_SETAUDIO_PARMS lParam2 | Specifies a far pointer to the MCI_DGV_SETAUDIO_PARMS data structure. | |
Return Value | Returns zero if successful. Otherwise, it returns an MCI error code. | |
Comments | Some values are specified as factors. For these values, 0 represents a minimal amount of the specified characteristic, and 1000 represents the maximum value. The linearity of the mapping for these values is device-specific. If a device cannot set the requested value, it does the best it can, and it returns the actual values of the specified characteristics in response to the MCI_STATUS command. | |