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Add control properties to audiotestsrc

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Add control properties to audiotestsrc for frequency and volume
and add a test program.
Add size parameter to set_io for additional checks and to make it
easy to know how much control data we can write.
This commit is contained in:
Wim Taymans 2017-11-22 14:30:04 +01:00
parent 8efea3e1ea
commit a092b9312a
28 changed files with 774 additions and 64 deletions
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10
spa/include/spa/node/node.h
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@ -432,16 +432,18 @@ struct spa_node {
* \param port_id a port id
* \param id the id of the io area, the available ids can be
* enumerated with the port parameters.
* \param io a io area memory
* \param data a io area memory
* \param size the size of \a data
* \return 0 on success
* -EINVAL when node is NULL the port is not valid
* -ENOENT when \id is unknown
* -EINVAL when invalid input is given
* -ENOENT when \a id is unknown
* -ENOSPC when \a size is too small
*/
int (*port_set_io) (struct spa_node *node,
enum spa_direction direction,
uint32_t port_id,
uint32_t id,
void *io);
void *data, size_t size);
/**
* Tell an output port to reuse a buffer.