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node: remove port_alloc_buffers

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Remove the now obsolete port_alloc_buffer, rework to use the
port_use_buffers with the ALLOC flag.
This commit is contained in:
Wim Taymans 2019-07-25 14:08:43 +02:00
parent 2f3351ef9b
commit deb6c52f76
21 changed files with 60 additions and 462 deletions
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44
spa/include/spa/node/node.h
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@ -512,6 +512,10 @@ struct spa_node_methods {
/**
* Tell the port to use the given buffers
*
* When \a flags contains SPA_NODE_BUFFERS_FLAG_ALLOC, the data
* in the buffers should point to an array of at least 1 data entry
* with the desired supported type that will be filled by this function.
*
* The port should also have a spa_io_buffers io area configured to exchange
* the buffers with the port.
*
@ -551,45 +555,6 @@ struct spa_node_methods {
uint32_t flags,
struct spa_buffer **buffers,
uint32_t n_buffers);
/**
* Tell the port to allocate memory for \a buffers.
*
* The port should also have a spa_io_buffers io area configured to exchange
* the buffers with the port.
*
* \a buffers should contain an array of pointers to buffers. The data
* in the buffers should point to an array of at least 1 data entry
* with a 0 type that will be filled by this function.
*
* For input ports, the buffers will be dequeued and ready to be filled
* and pushed into the port. A callback should be configured so that you can
* know when a buffer can be reused.
*
* For output ports, the buffers remain queued. port_reuse_buffer() should
* be called when a buffer can be reused.
*
* Once the port has allocated buffers, the memory of the buffers can be
* released again by calling struct port_use_buffers with NULL.
*
* This function must be called from the main thread.
*
* \param node a spa_node
* \param direction a spa_direction
* \param port_id a port id
* \param params allocation parameters
* \param n_params number of elements in \a params
* \param buffers an array of buffer pointers
* \param n_buffers number of elements in \a buffers
* \return 0 on success
* -EBUSY when the node already has allocated buffers.
*/
int (*port_alloc_buffers) (void *object,
enum spa_direction direction,
uint32_t port_id,
struct spa_pod **params,
uint32_t n_params,
struct spa_buffer **buffers,
uint32_t *n_buffers);
/**
* Configure the given memory area with \a id on \a port_id. This
@ -670,7 +635,6 @@ struct spa_node_methods {
#define spa_node_port_enum_params(n,...) spa_node_method(n, port_enum_params, 0, __VA_ARGS__)
#define spa_node_port_set_param(n,...) spa_node_method(n, port_set_param, 0, __VA_ARGS__)
#define spa_node_port_use_buffers(n,...) spa_node_method(n, port_use_buffers, 0, __VA_ARGS__)
#define spa_node_port_alloc_buffers(n,...) spa_node_method(n, port_alloc_buffers, 0, __VA_ARGS__)
#define spa_node_port_set_io(n,...) spa_node_method(n, port_set_io, 0, __VA_ARGS__)
#define spa_node_port_reuse_buffer(n,...) spa_node_method(n, port_reuse_buffer, 0, __VA_ARGS__)