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node: schedule upstream first

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In pull mode, schedule all upstream nodes first, if any of them
produce output, push it into the current node.
Underrun streams without input on audiomixer, avoids glitch when
starting a new stream.
This commit is contained in:
Wim Taymans 2017-04-12 11:24:11 +02:00
parent 4c7b56020a
commit d9bb116d27
3 changed files with 18 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

25
pinos/server/node.c
View file

@ -258,6 +258,7 @@ do_pull (PinosNode *this)
{
SpaResult res = SPA_RESULT_OK;
PinosPort *inport;
bool have_output = false;
spa_list_for_each (inport, &this->input_ports, link) {
PinosLink *link;
@ -288,22 +289,22 @@ do_pull (PinosNode *this)
if (res == SPA_RESULT_NEED_INPUT) {
res = do_pull (outport->node);
*pi = *po;
pinos_log_trace ("node %p: pull return %d", outport->node, res);
}
else if (res == SPA_RESULT_HAVE_OUTPUT) {
*pi = *po;
}
else
else if (res < 0 && res != SPA_RESULT_HAVE_OUTPUT) {
pinos_log_warn ("node %p: got process output %d", outport->node, res);
}
if (res == SPA_RESULT_HAVE_OUTPUT) {
*pi = *po;
pinos_log_trace ("node %p: have output %d %d", this, pi->status, pi->buffer_id);
have_output = true;
}
}
if (pi->buffer_id != SPA_ID_INVALID) {
pinos_log_trace ("node %p: process input %d %d", this, pi->status, pi->buffer_id);
res = spa_node_process_input (this->node);
if (res == SPA_RESULT_HAVE_OUTPUT)
break;
}
}
if (have_output) {
pinos_log_trace ("node %p: doing process input", this);
res = spa_node_process_input (this->node);
}
return res;
}

8
spa/plugins/audiomixer/audiomixer.c
View file

@ -733,7 +733,7 @@ spa_audiomixer_node_process_input (SpaNode *node)
spa_log_trace (this->log, "audiomixer %p: queue buffer %d on port %d %zd %zd",
this, b->outbuf->id, i, port->queued_bytes, min_queued);
}
if (min_queued == SIZE_MAX || port->queued_bytes < min_queued)
if (port->queued_bytes > 0 && port->queued_bytes < min_queued)
min_queued = port->queued_bytes;
}
@ -772,7 +772,7 @@ spa_audiomixer_node_process_output (SpaNode *node)
res = SPA_RESULT_NEED_INPUT;
/* produce more output if possible */
if (this->state == STATE_OUT) {
size_t min_queued = -1;
size_t min_queued = SIZE_MAX;
for (i = 0; i < MAX_PORTS; i++) {
SpaAudioMixerPort *port = &this->in_ports[i];
@ -780,10 +780,10 @@ spa_audiomixer_node_process_output (SpaNode *node)
if (port->io == NULL || port->n_buffers == 0)
continue;
if (min_queued == -1 || port->queued_bytes < min_queued)
if (port->queued_bytes > 0 && port->queued_bytes < min_queued)
min_queued = port->queued_bytes;
}
if (min_queued != -1 && min_queued > 0) {
if (min_queued != SIZE_MAX && min_queued > 0) {
res = mix_output (this, min_queued);
} else {
this->state = STATE_IN;

2
spa/tests/test-mixer.c
View file

@ -311,7 +311,7 @@ make_nodes (AppData *data)
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_props (&b, &f[0], data->type.props,
SPA_POD_PROP (&f[1], data->type.props_device, 0, SPA_POD_TYPE_STRING, 1, "hw:0"),
SPA_POD_PROP (&f[1], data->type.props_device, 0, SPA_POD_TYPE_STRING, 1, "hw:1"),
SPA_POD_PROP (&f[1], data->type.props_min_latency, 0, SPA_POD_TYPE_INT, 1, 256),
SPA_POD_PROP (&f[1], data->type.props_live, 0, SPA_POD_TYPE_BOOL, 1, false));
props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);