client-node: track memory for client

Keep track of the memory we sent to the client to only send memory
once and choose better memid values.
This commit is contained in:
Wim Taymans 2018-03-01 13:22:48 +01:00
parent 059571cec0
commit 135a0a18d8

View file

@ -63,12 +63,21 @@
#define CHECK_PORT_BUFFER(this,b,p) (b < p->n_buffers)
struct mem {
uint32_t id;
int ref;
int fd;
uint32_t type;
uint32_t flags;
};
struct buffer {
struct spa_buffer *outbuf;
struct spa_buffer buffer;
struct spa_meta metas[4];
struct spa_data datas[4];
bool outstanding;
struct mem *mem;
};
struct port {
@ -112,7 +121,6 @@ struct node {
uint32_t n_params;
struct spa_pod **params;
uint32_t membase;
uint32_t seq;
};
@ -131,6 +139,8 @@ struct impl {
struct spa_hook node_listener;
struct spa_hook resource_listener;
struct pw_array mems;
int fds[2];
int other_fds[2];
@ -140,12 +150,67 @@ struct impl {
/** \endcond */
static struct mem *ensure_mem(struct impl *impl, int fd, uint32_t type, uint32_t flags)
{
struct mem *m, *f = NULL;
pw_array_for_each(m, &impl->mems) {
if (m->ref <= 0)
f = m;
else if (m->fd == fd)
goto found;
}
if (f == NULL) {
m = pw_array_add(&impl->mems, sizeof(struct mem));
m->id = pw_array_get_len(&impl->mems, struct mem) - 1;
m->ref = 0;
}
else {
m = f;
}
m->fd = fd;
m->type = type;
m->flags = flags;
pw_client_node_resource_add_mem(impl->node.resource,
m->id,
type,
m->fd,
m->flags);
found:
m->ref++;
return m;
}
static int clear_buffers(struct node *this, struct port *port)
{
if (port->n_buffers) {
spa_log_info(this->log, "node %p: clear buffers", this);
port->n_buffers = 0;
uint32_t i, j;
struct impl *impl = this->impl;
struct pw_type *t = impl->t;
for (i = 0; i < port->n_buffers; i++) {
struct buffer *b = &port->buffers[i];
spa_log_debug(this->log, "node %p: clear buffer %d", this, i);
for (j = 0; j < b->buffer.n_datas; j++) {
struct spa_data *d = &b->datas[j];
if (d->type == t->data.DmaBuf ||
d->type == t->data.MemFd) {
uint32_t id;
struct mem *m;
id = SPA_PTR_TO_UINT32(b->buffer.datas[j].data);
m = pw_array_get_unchecked(&impl->mems, id, struct mem);
m->ref--;
}
}
b->mem->ref--;
}
port->n_buffers = 0;
return 0;
}
@ -434,8 +499,8 @@ impl_node_remove_port(struct spa_node *node, enum spa_direction direction, uint3
static int
impl_node_port_get_info(struct spa_node *node,
enum spa_direction direction,
uint32_t port_id, const struct spa_port_info **info)
enum spa_direction direction, uint32_t port_id,
const struct spa_port_info **info)
{
struct node *this;
struct port *port;
@ -528,15 +593,18 @@ impl_node_port_set_io(struct spa_node *node,
void *data, size_t size)
{
struct node *this;
struct impl *impl;
struct pw_type *t;
struct pw_memblock *mem;
struct mem *m;
uint32_t memid, mem_offset, mem_size;
if (node == NULL)
return -EINVAL;
this = SPA_CONTAINER_OF(node, struct node, node);
t = this->impl->t;
impl = this->impl;
t = impl->t;
if (this->resource == NULL)
return 0;
@ -548,17 +616,13 @@ impl_node_port_set_io(struct spa_node *node,
if ((mem = pw_memblock_find(data)) == NULL)
return -EINVAL;
memid = this->membase++;
mem_offset = mem->offset;
if (mem->size - mem_offset < size)
mem_size = mem->size;
if (mem_size - mem_offset < size)
return -EINVAL;
mem_size = mem->size;
pw_client_node_resource_add_mem(this->resource,
memid,
t->data.MemFd,
mem->fd, mem->flags);
m = ensure_mem(impl, mem->fd, t->data.MemFd, mem->flags);
memid = m->id;
}
else {
memid = SPA_ID_INVALID;
@ -618,7 +682,8 @@ impl_node_port_use_buffers(struct spa_node *node,
for (i = 0; i < n_buffers; i++) {
struct buffer *b = &port->buffers[i];
struct pw_memblock *m;
struct pw_memblock *mem;
struct mem *m;
size_t data_size, size;
void *baseptr;
@ -634,7 +699,7 @@ impl_node_port_use_buffers(struct spa_node *node,
else
return -EINVAL;
if ((m = pw_memblock_find(baseptr)) == NULL)
if ((mem = pw_memblock_find(baseptr)) == NULL)
return -EINVAL;
data_size = 0;
@ -648,15 +713,12 @@ impl_node_port_use_buffers(struct spa_node *node,
data_size += d->maxsize;
}
mb[i].buffer = &b->buffer;
mb[i].mem_id = this->membase++;
mb[i].offset = SPA_PTRDIFF(baseptr, m->ptr + m->offset);
mb[i].size = data_size;
b->mem = m = ensure_mem(impl, mem->fd, t->data.MemFd, mem->flags);
pw_client_node_resource_add_mem(this->resource,
mb[i].mem_id,
t->data.MemFd,
m->fd, m->flags);
mb[i].buffer = &b->buffer;
mb[i].mem_id = m->id;
mb[i].offset = SPA_PTRDIFF(baseptr, mem->ptr + mem->offset);
mb[i].size = data_size;
for (j = 0; j < buffers[i]->n_metas; j++)
memcpy(&b->buffer.metas[j], &buffers[i]->metas[j], sizeof(struct spa_meta));
@ -670,13 +732,8 @@ impl_node_port_use_buffers(struct spa_node *node,
if (d->type == t->data.DmaBuf ||
d->type == t->data.MemFd) {
pw_client_node_resource_add_mem(this->resource,
this->membase,
d->type,
d->fd,
d->flags);
b->buffer.datas[j].data = SPA_UINT32_TO_PTR(this->membase);
this->membase++;
m = ensure_mem(impl, d->fd, d->type, d->flags);
b->buffer.datas[j].data = SPA_UINT32_TO_PTR(m->id);
} else if (d->type == t->data.MemPtr) {
b->buffer.datas[j].data = SPA_INT_TO_PTR(size);
size += d->maxsize;
@ -1158,6 +1215,8 @@ static void node_free(void *data)
spa_hook_remove(&impl->node_listener);
pw_array_clear(&impl->mems);
if (impl->fds[0] != -1)
close(impl->fds[0]);
if (impl->fds[1] != -1)
@ -1215,6 +1274,8 @@ struct pw_client_node *pw_client_node_new(struct pw_resource *resource,
node_init(&impl->node, NULL, support, n_support);
impl->node.impl = impl;
pw_array_init(&impl->mems, 64);
if ((name = pw_properties_get(properties, "node.name")) == NULL)
name = "client-node";