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scheduler: add new scheduler

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Make port status SPA_RESULT_OK until events changes it and data
processing can start
Only start pulling on ports in the OK state
Change we way we handle client-nodes, handle them async and continue
processing after they signaled completion
Add a new scheduler that decouples push and pull. It pushes to peer
elements when all inputs are provided and pulls from nodes when all
peer outputs are processed.
This commit is contained in:
Wim Taymans 2017-10-22 13:12:34 +02:00
parent 3315de187c
commit df59183a66
10 changed files with 188 additions and 37 deletions
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23
src/modules/module-client-node/client-node.c
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@ -756,16 +756,12 @@ static int spa_proxy_node_process_input(struct spa_node *node)
impl = this->impl;
for (i = 0; i < MAX_INPUTS; i++) {
struct spa_port_io *io = this->in_ports[i].io, tmp;
struct spa_port_io *io = this->in_ports[i].io;
if (!io)
continue;
tmp = impl->transport->inputs[i];
impl->transport->inputs[i] = *io;
if (res == SPA_RESULT_OK)
res = tmp.status;
*io = tmp;
pw_log_trace("%d %d -> %d %d", io->status, io->buffer_id,
impl->transport->inputs[i].status,
impl->transport->inputs[i].buffer_id);
@ -793,16 +789,12 @@ static int spa_proxy_node_process_output(struct spa_node *node)
impl = this->impl;
for (i = 0; i < MAX_OUTPUTS; i++) {
struct spa_port_io *io = this->out_ports[i].io, tmp;
struct spa_port_io *io = this->out_ports[i].io;
if (!io)
continue;
tmp = impl->transport->outputs[i];
impl->transport->outputs[i] = *io;
if (res == SPA_RESULT_OK)
res = tmp.status;
*io = tmp;
pw_log_trace("%d %d -> %d %d", io->status, io->buffer_id,
impl->transport->outputs[i].status,
impl->transport->outputs[i].buffer_id);
@ -828,12 +820,19 @@ static int handle_node_message(struct proxy *this, struct pw_client_node_message
continue;
*io = impl->transport->outputs[i];
impl->transport->outputs[i].buffer_id = SPA_ID_INVALID;
impl->transport->outputs[i].status = SPA_RESULT_OK;
pw_log_trace("%d %d", io->status, io->buffer_id);
}
this->callbacks->have_output(this->callbacks_data);
} else if (PW_CLIENT_NODE_MESSAGE_TYPE(message) == PW_CLIENT_NODE_MESSAGE_NEED_INPUT) {
for (i = 0; i < MAX_INPUTS; i++) {
struct spa_port_io *io = this->in_ports[i].io;
if (!io)
continue;
*io = impl->transport->inputs[i];
pw_log_trace("%d %d", io->status, io->buffer_id);
}
this->callbacks->need_input(this->callbacks_data);
} else if (PW_CLIENT_NODE_MESSAGE_TYPE(message) == PW_CLIENT_NODE_MESSAGE_REUSE_BUFFER) {
if (impl->client_reuse) {