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implement alsa capture with timers

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Add timer based alsa capture support
Improve format negotiation in alsa
Better track buffer owner in the links
This commit is contained in:
Wim Taymans 2017-03-30 17:30:28 +02:00
parent 73ec9e2d24
commit 7b8bb8da6b
10 changed files with 190 additions and 337 deletions
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28
pinos/server/link.c
View file

@ -47,7 +47,7 @@ typedef struct
PinosListener output_port_destroy;
PinosListener output_async_complete;
bool allocated;
void *buffer_owner;
PinosMemblock buffer_mem;
SpaBuffer **buffers;
uint32_t n_buffers;
@ -453,13 +453,20 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
(out_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS))
minsize = 0;
if (this->output->allocated) {
if (this->output->n_buffers) {
out_flags = 0;
in_flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS;
impl->n_buffers = this->output->n_buffers;
impl->buffers = this->output->buffers;
impl->allocated = false;
impl->buffer_owner = this->output;
pinos_log_debug ("reusing %d output buffers %p", impl->n_buffers, impl->buffers);
} else if (this->input->n_buffers) {
out_flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS;
in_flags = 0;
impl->n_buffers = this->input->n_buffers;
impl->buffers = this->input->buffers;
impl->buffer_owner = this->input;
pinos_log_debug ("reusing %d input buffers %p", impl->n_buffers, impl->buffers);
} else {
size_t data_sizes[1];
ssize_t data_strides[1];
@ -467,6 +474,7 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
data_sizes[0] = minsize;
data_strides[0] = stride;
impl->buffer_owner = this;
impl->n_buffers = max_buffers;
impl->buffers = alloc_buffers (this,
impl->n_buffers,
@ -476,6 +484,8 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
data_sizes,
data_strides,
&impl->buffer_mem);
pinos_log_debug ("allocating %d input buffers %p", impl->n_buffers, impl->buffers);
}
if (out_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
@ -492,7 +502,7 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
this->output->n_buffers = impl->n_buffers;
this->output->allocated = true;
this->output->buffer_mem = impl->buffer_mem;
impl->allocated = false;
impl->buffer_owner = this->output;
pinos_log_debug ("allocated %d buffers %p from output port", impl->n_buffers, impl->buffers);
} else if (in_flags & SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS) {
if ((res = spa_node_port_alloc_buffers (this->input->node->node,
@ -508,7 +518,7 @@ do_allocation (PinosLink *this, SpaNodeState in_state, SpaNodeState out_state)
this->input->n_buffers = impl->n_buffers;
this->input->allocated = true;
this->input->buffer_mem = impl->buffer_mem;
impl->allocated = false;
impl->buffer_owner = this->input;
pinos_log_debug ("allocated %d buffers %p from input port", impl->n_buffers, impl->buffers);
}
}
@ -682,7 +692,7 @@ on_port_destroy (PinosLink *this,
} else
return;
if (port->allocated) {
if (impl->buffer_owner == port) {
impl->buffers = NULL;
impl->n_buffers = 0;
@ -743,7 +753,7 @@ pinos_link_free (PinosLink *link)
pinos_work_queue_destroy (impl->work);
if (impl->allocated)
if (impl->buffer_owner == link)
pinos_memblock_free (&impl->buffer_mem);
free (impl);
@ -876,7 +886,9 @@ pinos_link_new (PinosCore *core,
static void
clear_port_buffers (PinosLink *link, PinosPort *port)
{
if (!port->allocated) {
PinosLinkImpl *impl = SPA_CONTAINER_OF (link, PinosLinkImpl, this);
if (impl->buffer_owner != port) {
pinos_log_debug ("link %p: clear buffers on port %p", link, port);
spa_node_port_use_buffers (port->node->node,
port->direction,