man YGetMixerChannelQuad (Fonctions bibliothèques) - Y mixer channel getting
NAME
YGetMixerChannel - Y mixer channel getting
SYNTAX
#include <Y2/Y.h>
#include <Y2/Ylib.h>
#include <Y2/Ymixercodes.h>
int YGetMixerChannel(
YConnection *connection,
int mixer_channel_code,
Coefficient *value1,
Coefficient *value2
)
int YGetMixerChannelQuad(
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 return.
- value2
- Specifies the "right" value return.
- value3
- Specifies the "back left" value return.
- value4
- Specifies the "back right" value return.
DESCRIPTION
The YGetMixerChannel and YGetMixerChannelQuad functions gets the mixer channel values from the mixer channel specified by mixer_channel_code.
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[])
{
Coefficient value1, value2;
YConnection *con = YOpenConnection(
"/usr/sbin/starty",
"127.0.0.1:9433"
);
if(con == NULL)
return(1);
if(YGetMixerChannel(
con, YMixerCodeVolume,
&value1, &value2
))
printf("Failed.\n");
else
printf("Success %f %f.\n", value1, value2);
YCloseConnection(con, False);
return(0);
}