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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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30
src/modules/module-client-node/client-node.c
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@ -150,6 +150,8 @@ struct impl {
int fds[2];
int other_fds[2];
struct pw_client_node_position *position;
};
/** \endcond */
@ -890,14 +892,21 @@ impl_node_port_send_command(struct spa_node *node,
static int impl_node_process(struct spa_node *node)
{
struct node *this = SPA_CONTAINER_OF(node, struct node, node);
struct impl *impl = this->impl;
struct pw_driver_quantum *q;
uint64_t cmd = 1;
if (this->impl->this.status != SPA_ID_INVALID) {
spa_log_trace(this->log, "%p: return %d", this, this->impl->this.status);
return this->impl->this.status;
return impl->this.status;
}
spa_log_trace(this->log, "%p: send process", this);
spa_log_trace(this->log, "%p: send process %p", this, impl->this.node->driver_node);
q = impl->this.node->driver_node->rt.quantum;
impl->position->duration = q->size;
impl->position->rate = q->rate;
if (write(this->writefd, &cmd, 8) != 8)
spa_log_warn(this->log, "node %p: error %s", this, strerror(errno));
@ -1148,6 +1157,8 @@ static void node_initialized(void *data)
struct pw_type *t = impl->t;
struct pw_global *global;
uint32_t node_id;
uint32_t area_size, size;
struct mem *m;
if (this->resource == NULL)
return;
@ -1162,14 +1173,20 @@ static void node_initialized(void *data)
spa_loop_add_source(impl->node.data_loop, &impl->node.data_source);
pw_log_debug("client-node %p: transport fd %d %d", node, impl->fds[0], impl->fds[1]);
area_size = sizeof(struct spa_io_buffers) * MAX_AREAS;
size = area_size + sizeof(struct pw_client_node_position);
if (pw_memblock_alloc(PW_MEMBLOCK_FLAG_WITH_FD |
PW_MEMBLOCK_FLAG_MAP_READWRITE |
PW_MEMBLOCK_FLAG_SEAL,
sizeof(struct spa_io_buffers) * MAX_AREAS,
size,
&impl->io_areas) < 0)
return;
ensure_mem(impl, impl->io_areas->fd, t->data.MemFd, impl->io_areas->flags);
impl->position = SPA_MEMBER(impl->io_areas->ptr,
area_size, struct pw_client_node_position);
m = ensure_mem(impl, impl->io_areas->fd, t->data.MemFd, impl->io_areas->flags);
pw_log_debug("client-node %p: io areas %p", node, impl->io_areas->ptr);
if ((global = pw_node_get_global(node)) != NULL)
@ -1181,6 +1198,11 @@ static void node_initialized(void *data)
node_id,
impl->other_fds[0],
impl->other_fds[1]);
pw_client_node_resource_set_position(this->resource,
m->id,
area_size,
sizeof(struct pw_client_node_position));
}
static void node_free(void *data)