man YSetMixerChannelQuad (Fonctions bibliothèques) - Y mixer channel setting
NAME
YSetMixerChannel - Y mixer channel setting
SYNTAX
#include <Y2/Y.h>
#include <Y2/Ylib.h>
#include <Y2/Ymixercodes.h>
int YSetMixerChannel(
YConnection *connection,
int mixer_channel_code,
Coefficient value1,
Coefficient value2
)
int YSetMixerChannelQuad(
YConnection *connection,
int mixer_channel_code,
Coefficient value1,
Coefficient value2,
Coefficient value3,
Coefficient value4
)
ARGUMENTS
- connection
- Specifies the connection to the Y server, obtained by a call to YOpenConnection.
- mixer_channel_code
- Specifies the mixer channel code, which can be one of YMixerCode*.
- value1
- Specifies the "left" value, from 0.0 to 1.0.
- value2
- Specifies the "right" value, from 0.0 to 1.0.
- value3
- Specifies the "back left" value, from 0.0 to 1.0.
- value4
- Specifies the "back right" value, from 0.0 to 1.0.
DESCRIPTION
The YSetMixerChannel and YSetMixerChannelQuad functions sets the specified mixer channel by the given mixer_channel_code to the specified values.
If successful a YMixerChannel event will be recieved by all Y clients including the one that called YSetMixerChannel or YSetMixerChannelQuad
RETURN VALUE
The YSetMixerChannel and YSetMixerChannelQuad functions returns 0 on success and -1 on failure.
EXAMPLE
#include <stdio.h>
#include <Y2/Y.h>
#include <Y2/Ylib.h>
#include <Y2/Ymixercodes.h>
int main(int argc, char *argv[])
{
YConnection *con = YOpenConnection(
"/usr/sbin/starty",
"127.0.0.1:9433"
);
if(con == NULL)
return(1);
if(YSetMixerChannel(
con, YMixerCodeVolume, 0.45, 0.7)
)
printf("Failed.\n");
else
printf("Success.\n");
YCloseConnection(con, False);
return(0);
}