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More work on memory

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Add explicit DMABUF memory because we can't use it like an fd in v4l2.
mmap random fd memory and use userptr in v4l2 to use it.
Allocate buffer data memory in memfd when no node can allocate.
Improve debug some more
This commit is contained in:
Wim Taymans 2016-10-04 15:56:33 +02:00
parent d828073bb8
commit b8f693ceea
14 changed files with 425 additions and 329 deletions
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171
pinos/server/link.c
View file

@ -433,24 +433,26 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
if (priv->buffers == NULL) {
SpaAllocParamBuffers *in_alloc, *out_alloc;
guint max_buffers = MAX_BUFFERS, min_size = 4096;
gboolean alloc_data = TRUE;
guint max_buffers = MAX_BUFFERS;
size_t minsize = 4096, stride = 0;
max_buffers = MAX_BUFFERS;
in_alloc = find_param (iinfo, SPA_ALLOC_PARAM_TYPE_BUFFERS);
if (in_alloc) {
max_buffers = in_alloc->max_buffers == 0 ? max_buffers : SPA_MIN (in_alloc->max_buffers, max_buffers);
min_size = SPA_MAX (min_size, in_alloc->minsize);
minsize = SPA_MAX (minsize, in_alloc->minsize);
stride = SPA_MAX (stride, in_alloc->stride);
}
out_alloc = find_param (oinfo, SPA_ALLOC_PARAM_TYPE_BUFFERS);
if (out_alloc) {
max_buffers = out_alloc->max_buffers == 0 ? max_buffers : SPA_MIN (out_alloc->max_buffers, max_buffers);
min_size = SPA_MAX (min_size, out_alloc->minsize);
minsize = SPA_MAX (minsize, out_alloc->minsize);
stride = SPA_MAX (stride, out_alloc->stride);
}
if ((in_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) ||
(out_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS))
alloc_data = FALSE;
minsize = 0;
if (this->output->allocated) {
out_flags = 0;
@ -460,77 +462,88 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
priv->allocated = FALSE;
g_debug ("reusing %d output buffers %p", priv->n_buffers, priv->buffers);
} else {
guint i;
size_t hdr_size, data_size, buf_size;
guint i, j;
size_t hdr_size, buf_size, arr_size;
void *p;
guint n_metas, n_datas;
spa_alloc_params_get_header_size (oinfo->params, oinfo->n_params, 1, &hdr_size);
if (alloc_data)
data_size = min_size;
else
data_size = 0;
n_metas = 0;
n_datas = 1;
buf_size = hdr_size + data_size;
hdr_size = sizeof (SpaBuffer);
hdr_size += n_datas * sizeof (SpaData);
for (i = 0; i < oinfo->n_params; i++) {
SpaAllocParam *ap = oinfo->params[i];
if (ap->type == SPA_ALLOC_PARAM_TYPE_META_ENABLE) {
SpaAllocParamMetaEnable *pme = (SpaAllocParamMetaEnable *) ap;
hdr_size += spa_meta_type_get_size (pme->type);
n_metas++;
}
}
hdr_size += n_metas * sizeof (SpaMeta);
buf_size = hdr_size + minsize;
priv->n_buffers = max_buffers;
pinos_memblock_alloc (PINOS_MEMBLOCK_FLAG_WITH_FD |
PINOS_MEMBLOCK_FLAG_MAP_READWRITE |
PINOS_MEMBLOCK_FLAG_SEAL,
priv->n_buffers * (sizeof (SpaBuffer*) + buf_size),
&priv->buffer_mem);
arr_size = priv->n_buffers * sizeof (SpaBuffer*);
priv->buffers = p = priv->buffer_mem.ptr;
p = SPA_MEMBER (p, priv->n_buffers * sizeof (SpaBuffer*), void);
for (i = 0; i < priv->n_buffers; i++)
priv->buffers[i] = SPA_MEMBER (p, buf_size * i, SpaBuffer);
p = SPA_MEMBER (p, arr_size, void);
if ((res = spa_buffer_init_headers (oinfo->params,
oinfo->n_params,
1,
priv->buffers,
priv->n_buffers)) < 0) {
g_set_error (&error,
PINOS_ERROR,
PINOS_ERROR_BUFFER_ALLOCATION,
"error buffer alloc: %d", res);
goto error;
}
for (i = 0; i < priv->n_buffers; i++) {
SpaData *d = &priv->buffers[i]->datas[0];
SpaBuffer *b;
SpaData *d;
void *pd;
guint mi;
g_debug (" buffers %p %d", priv->buffers[i], priv->buffers[i]->id);
d->type = SPA_DATA_TYPE_MEMPTR;
d->data = SPA_MEMBER (priv->buffers[i], hdr_size, void);
d->size = data_size;
d->maxsize = data_size;
d->offset = 0;
d->stride = 0;
b = priv->buffers[i] = SPA_MEMBER (p, buf_size * i, SpaBuffer);
b->id = i;
b->n_metas = n_metas;
b->metas = SPA_MEMBER (b, sizeof (SpaBuffer), SpaMeta);
b->n_datas = n_datas;
b->datas = SPA_MEMBER (b->metas, sizeof (SpaMeta) * n_metas, SpaData);
pd = SPA_MEMBER (b->datas, sizeof (SpaData) * n_datas, void);
for (j = 0, mi = 0; j < oinfo->n_params; j++) {
SpaAllocParam *ap = oinfo->params[j];
if (ap->type == SPA_ALLOC_PARAM_TYPE_META_ENABLE) {
SpaAllocParamMetaEnable *pme = (SpaAllocParamMetaEnable *) ap;
b->metas[mi].type = pme->type;
b->metas[mi].data = pd;
b->metas[mi].size = spa_meta_type_get_size (pme->type);
pd = SPA_MEMBER (pd, b->metas[mi].size, void);
mi++;
}
}
d = &b->datas[0];
if (minsize > 0) {
d->type = SPA_DATA_TYPE_MEMFD;
d->data = SPA_INT_TO_PTR (priv->buffer_mem.fd);
d->maxsize = priv->buffer_mem.size;
d->offset = arr_size + hdr_size + (buf_size * i);
d->size = minsize;
d->stride = stride;
} else {
d->type = SPA_DATA_TYPE_INVALID;
d->data = NULL;
}
}
g_debug ("allocated %d buffers %p", priv->n_buffers, priv->buffers);
priv->allocated = TRUE;
}
if (in_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
if ((res = spa_node_port_alloc_buffers (this->input->node->node,
SPA_DIRECTION_INPUT,
this->input->port,
oinfo->params, oinfo->n_params,
priv->buffers, &priv->n_buffers)) < 0) {
g_set_error (&error,
PINOS_ERROR,
PINOS_ERROR_BUFFER_ALLOCATION,
"error alloc input buffers: %d", res);
goto error;
}
this->input->buffers = priv->buffers;
this->input->n_buffers = priv->n_buffers;
this->input->allocated = TRUE;
this->input->buffer_mem = priv->buffer_mem;
priv->allocated = FALSE;
g_debug ("allocated %d buffers %p from input port", priv->n_buffers, priv->buffers);
}
else if (out_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
if (out_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
if ((res = spa_node_port_alloc_buffers (this->output->node->node,
SPA_DIRECTION_OUTPUT,
this->output->port,
@ -548,6 +561,24 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
this->output->buffer_mem = priv->buffer_mem;
priv->allocated = FALSE;
g_debug ("allocated %d buffers %p from output port", priv->n_buffers, priv->buffers);
} else if (in_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
if ((res = spa_node_port_alloc_buffers (this->input->node->node,
SPA_DIRECTION_INPUT,
this->input->port,
oinfo->params, oinfo->n_params,
priv->buffers, &priv->n_buffers)) < 0) {
g_set_error (&error,
PINOS_ERROR,
PINOS_ERROR_BUFFER_ALLOCATION,
"error alloc input buffers: %d", res);
goto error;
}
this->input->buffers = priv->buffers;
this->input->n_buffers = priv->n_buffers;
this->input->allocated = TRUE;
this->input->buffer_mem = priv->buffer_mem;
priv->allocated = FALSE;
g_debug ("allocated %d buffers %p from input port", priv->n_buffers, priv->buffers);
}
}
@ -770,9 +801,28 @@ pinos_link_dispose (GObject * object)
g_signal_emit (this, signals[SIGNAL_REMOVE], 0, NULL);
this->input = NULL;
this->output = NULL;
if (this->input) {
if (!this->input->allocated) {
spa_node_port_use_buffers (this->input->node->node,
SPA_DIRECTION_INPUT,
this->input->port,
NULL, 0);
this->input->buffers = NULL;
this->input->n_buffers = 0;
}
this->input = NULL;
}
if (this->output) {
if (!this->output->allocated) {
spa_node_port_use_buffers (this->output->node->node,
SPA_DIRECTION_OUTPUT,
this->output->port,
NULL, 0);
this->output->buffers = NULL;
this->output->n_buffers = 0;
}
this->output = NULL;
}
link_unregister_object (this);
G_OBJECT_CLASS (pinos_link_parent_class)->dispose (object);
@ -789,8 +839,9 @@ pinos_link_finalize (GObject * object)
g_clear_object (&priv->iface);
g_free (priv->object_path);
if (priv->allocated)
if (priv->allocated) {
pinos_memblock_free (&priv->buffer_mem);
}
G_OBJECT_CLASS (pinos_link_parent_class)->finalize (object);
}