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audiotestsrc: add live mode

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Add a live mode to audiotestsrc by using a timerfd to push output.
Make a queue helper and use in alsa
Add live port flag
This commit is contained in:
Wim Taymans 2016-09-19 13:14:14 +02:00
parent fc7b4a9009
commit 1e565a5f65
5 changed files with 235 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

9
spa/plugins/alsa/alsa-sink.c
View file

@ -315,7 +315,7 @@ spa_alsa_sink_node_port_set_format (SpaNode *node,
SpaALSASink *this;
SpaResult res;
if (node == NULL || node->handle == NULL || format == NULL)
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaALSASink *) node->handle;
@ -325,6 +325,7 @@ spa_alsa_sink_node_port_set_format (SpaNode *node,
if (format == NULL) {
this->have_format = false;
this->have_buffers = false;
update_state (this, SPA_NODE_STATE_CONFIGURE);
return SPA_RESULT_OK;
}
@ -501,6 +502,7 @@ spa_alsa_sink_node_port_alloc_buffers (SpaNode *node,
buffers[i] = &b->buffer;
}
*n_buffers = n_bufs;
this->have_buffers = true;
update_state (this, SPA_NODE_STATE_PAUSED);
@ -563,13 +565,12 @@ spa_alsa_sink_node_port_push_input (SpaNode *node,
continue;
}
if (this->ready_head != NULL) {
if (this->ready.length != 0) {
info[i].status = SPA_RESULT_HAVE_ENOUGH_INPUT;
have_enough = true;
continue;
}
this->ready_head = &this->alloc_buffers[info[i].buffer_id];
SPA_QUEUE_PUSH_TAIL (&this->ready, SpaALSABuffer, &this->alloc_buffers[info[i].buffer_id]);
}
info[i].status = SPA_RESULT_OK;
}

16
spa/plugins/alsa/alsa-utils.c
View file

@ -301,13 +301,10 @@ mmap_read (SpaALSAState *state)
snd_pcm_status_get_htstamp (status, &htstamp);
now = (int64_t)htstamp.tv_sec * 1000000000ll + (int64_t)htstamp.tv_nsec;
b = state->free_head;
if (b == NULL)
SPA_QUEUE_POP_HEAD (&state->free, SpaALSABuffer, b);
if (b == NULL) {
fprintf (stderr, "no more buffers\n");
else {
state->free_head = b->next;
if (state->free_head == NULL)
state->free_tail = NULL;
} else {
b->next = NULL;
dest = b->ptr;
}
@ -349,12 +346,7 @@ mmap_read (SpaALSAState *state)
d = SPA_BUFFER_DATAS (b->outbuf);
d[0].mem.size = avail * state->frame_size;
if (state->ready_tail)
state->ready_tail->next = b;
state->ready_tail = b;
if (state->ready_head == NULL)
state->ready_head = b;
state->ready_count++;
SPA_QUEUE_PUSH_TAIL (&state->ready, SpaALSABuffer, b);
event.type = SPA_NODE_EVENT_TYPE_HAVE_OUTPUT;
event.size = sizeof (ho);