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node: add driver position struct

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Pass driver info to client
use current buffersize and samplerate in client
update the buffer size dynamically based on session
This commit is contained in:
Wim Taymans 2018-05-11 10:13:37 +02:00
parent 2c6ff2dad2
commit bed26040ef
9 changed files with 168 additions and 11 deletions
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10
src/pipewire/private.h
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@ -223,6 +223,13 @@ struct pw_module {
void *user_data; /**< module user_data */
};
struct pw_driver_quantum {
uint64_t time; /**< time in nanoseconds */
struct spa_fraction rate; /**< rate */
uint32_t position; /**< current position expressed in rate */
uint32_t size; /**< size of one period expressed in rate */
};
struct pw_node_activation {
#define NOT_TRIGGERED 0
#define TRIGGERED 1
@ -257,6 +264,8 @@ struct pw_node {
bool master; /**< a master node is one of the driver nodes that
* is selected to drive the graph */
struct pw_node *driver_node;
struct spa_clock *clock; /**< handle to SPA clock if any */
struct spa_node *node; /**< SPA node implementation */
@ -277,6 +286,7 @@ struct pw_node {
struct pw_loop *data_loop; /**< the data loop for this node */
struct {
struct pw_driver_quantum *quantum;
struct spa_graph *driver;
struct spa_graph_node root;
struct pw_node_activation *activation;