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Indicate an ordered relationship between two mixer elements
#include <audio_driver.h>
int32_t ado_mixer_element_route_add
( ado_mixer_t *mixer,
ado_mixer_delement_t *elem_before,
ado_mixer_delement_t *elem );
- mixer
- A pointer to the ado_mixer_t structure for the mixer
that the elements belong to.
- elem_before
- A pointer to the ado_mixer_delement_t structure for the
mixer element that's the input to elem.
- elem
- A pointer to the ado_mixer_delement_t structure for the
mixer element that gets its input from elem_before.
This function establishes an ordered
relationship between two elements of the given mixer.
The output from elem_before becomes the input to elem.
When you use it repeatedly, this function builds route tables
showing the relationships between all mixer elements.
-1 if an error occurred
(errno
is set).
Any other value indicates success.
- ENOMEM
- Not enough free memory to extend the elements' route tables.
QNX Neutrino
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
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