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improve node io

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Unify input and output io areas.
Add support for ranges in the io area.
Automatically recycle buffers in the output areas in process_output
Improve the mixer, add use_buffer support, use a queue of input buffers,
fix mixing, add support for ranges.
Fix mixer and v4l2 tests
This commit is contained in:
Wim Taymans 2017-04-03 14:56:04 +02:00
parent 29fbf2e841
commit 01c13adab5
28 changed files with 983 additions and 747 deletions
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23
spa/plugins/alsa/alsa-utils.c
View file

@ -228,6 +228,15 @@ pull_frames_queue (SpaALSAState *state,
if (spa_list_is_empty (&state->ready)) {
SpaEvent event = SPA_EVENT_INIT (state->type.event_node.NeedInput);
SpaPortIO *io;
if ((io = state->io)) {
io->flags = SPA_PORT_IO_FLAG_RANGE;
io->status = SPA_RESULT_OK;
io->range.offset = state->sample_count;
io->range.min_size = state->threshold;
io->range.max_size = frames;
}
state->event_cb (&state->node, &event, state->user_data);
}
while (!spa_list_is_empty (&state->ready) && to_write > 0) {
@ -334,7 +343,7 @@ push_frames_queue (SpaALSAState *state,
size_t n_bytes;
SpaALSABuffer *b;
SpaData *d;
SpaPortOutput *output;
SpaPortIO *io;
b = spa_list_first (&state->free, SpaALSABuffer, link);
spa_list_remove (&b->link);
@ -357,13 +366,13 @@ push_frames_queue (SpaALSAState *state,
d[0].chunk->size = n_bytes;
d[0].chunk->stride = 0;
if ((output = state->io)) {
b->outstanding = true;
output->buffer_id = b->outbuf->id;
output->status = SPA_RESULT_OK;
}
{
if ((io = state->io)) {
SpaEvent event = SPA_EVENT_INIT (state->type.event_node.HaveOutput);
b->outstanding = true;
io->buffer_id = b->outbuf->id;
io->status = SPA_RESULT_OK;
state->event_cb (&state->node, &event, state->user_data);
}
}