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link: use DISABLED flag on port of inactive links

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Don't unlink the ports of an inactive link because then it might be
possible that the scheduler can't recycle a buffer, instead use
a port flag to mark the ports disabled and change to scheduler to
skip those ports.
This commit is contained in:
Wim Taymans 2018-01-18 15:39:03 +01:00
parent a8fa4383a1
commit 0eb44b340a
6 changed files with 16 additions and 9 deletions
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3
spa/include/spa/graph/graph.h
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@ -60,7 +60,7 @@ struct spa_graph_node {
struct spa_graph *graph; /**< owner graph */
struct spa_list ports[2]; /**< list of input and output ports */
struct spa_list ready_link; /**< link for scheduler */
#define SPA_GRAPH_NODE_FLAG_ASYNC (1 << 0)
#define SPA_GRAPH_NODE_FLAG_ASYNC (1 << 0)
uint32_t flags; /**< node flags */
uint32_t required[2]; /**< required number of ports */
uint32_t ready[2]; /**< number of ports with data */
@ -74,6 +74,7 @@ struct spa_graph_port {
struct spa_graph_node *node; /**< owner node */
enum spa_direction direction; /**< port direction */
uint32_t port_id; /**< port id */
#define SPA_GRAPH_PORT_FLAG_DISABLED (1 << 0)
uint32_t flags; /**< port flags */
struct spa_io_buffers *io; /**< io area of the port */
struct spa_graph_port *peer; /**< peer */