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Add support for client fd memory

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Remove the node buffers reply again. We don't need it. Instead add a
new method to the client-node to upload an array of buffer datas.
This method is called after the client has allocated buffer mem. It
will update the buffers on the server side with the client allocated
memory.

Wait for the async reply of use_buffers when doing alloc_buffers so
that we can get the updated buffer mem before we continue.

Let the link follow the states of the ports.

Add some error code to the port error states.

Add PW_STREAM_FLAG_ALLOC_BUFFERS flag to make the client alloc buffer
memory.
This commit is contained in:
Wim Taymans 2019-07-26 15:53:26 +02:00
parent deb6c52f76
commit e76a7abceb
18 changed files with 375 additions and 147 deletions
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10
src/pipewire/private.h
View file

@ -467,7 +467,6 @@ struct pw_port_mix {
} port;
struct spa_io_buffers *io;
uint32_t id;
int have_buffers;
};
struct pw_port_implementation {
@ -498,7 +497,7 @@ struct pw_port_implementation {
#define pw_port_emit_info_changed(p,i) pw_port_emit(p, info_changed, 0, i)
#define pw_port_emit_link_added(p,l) pw_port_emit(p, link_added, 0, l)
#define pw_port_emit_link_removed(p,l) pw_port_emit(p, link_removed, 0, l)
#define pw_port_emit_state_changed(p,s) pw_port_emit(p, state_changed, 0, s)
#define pw_port_emit_state_changed(p,o,s,e) pw_port_emit(p, state_changed, 0, o, s, e)
#define pw_port_emit_control_added(p,c) pw_port_emit(p, control_added, 0, c)
#define pw_port_emit_control_removed(p,c) pw_port_emit(p, control_removed, 0, c)
@ -523,6 +522,7 @@ struct pw_port {
uint32_t port_id; /**< port id */
enum pw_port_state state; /**< state of the port */
const char *error; /**< error state */
struct pw_properties *properties; /**< properties of the port */
struct pw_port_info info;
@ -824,8 +824,7 @@ int pw_port_add(struct pw_port *port, struct pw_node *node);
int pw_port_init_mix(struct pw_port *port, struct pw_port_mix *mix);
int pw_port_release_mix(struct pw_port *port, struct pw_port_mix *mix);
void pw_port_mix_update_state(struct pw_port *port, struct pw_port_mix *mix, enum pw_port_state state);
void pw_port_update_state(struct pw_port *port, enum pw_port_state state);
void pw_port_update_state(struct pw_port *port, enum pw_port_state state, char *error);
/** Unlink a port \memberof pw_port */
void pw_port_unlink(struct pw_port *port);
@ -878,8 +877,7 @@ int pw_port_use_buffers(struct pw_port *port, uint32_t mix_id, uint32_t flags,
/** Allocate memory for buffers on a port \memberof pw_port */
int pw_port_alloc_buffers(struct pw_port *port,
struct spa_pod **params, uint32_t n_params,
struct spa_buffer **buffers, uint32_t *n_buffers);
struct spa_buffer **buffers, uint32_t n_buffers);
/** Change the state of the node */
int pw_node_set_state(struct pw_node *node, enum pw_node_state state);