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stream: improve the input process loop

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Only try to reuse a buffer when the io area is not already in
the NEED_DATA state or else we might overwrite a previous buffer
reuse and run out of buffers.
We also always need more input.
This commit is contained in:
Wim Taymans 2020-09-24 17:15:47 +02:00
parent 1cccaaa2bd
commit 9dc1c3b168
1 changed files with 16 additions and 21 deletions
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37
src/pipewire/stream.c
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@ -747,28 +747,23 @@ static int impl_node_process_input(void *object)
pw_log_trace(NAME" %p: process in status:%d id:%d ticks:%"PRIu64" delay:%"PRIi64,
stream, io->status, io->buffer_id, impl->time.ticks, impl->time.delay);
if (io->status != SPA_STATUS_HAVE_DATA)
goto done;
if ((b = get_buffer(stream, io->buffer_id)) == NULL)
goto done;
/* push new buffer */
if (push_queue(impl, &impl->dequeued, b) == 0)
call_process(impl);
done:
copy_position(impl, impl->dequeued.incount);
/* pop buffer to recycle */
if ((b = pop_queue(impl, &impl->queued))) {
pw_log_trace(NAME" %p: recycle buffer %d", stream, b->id);
if (io->status == SPA_STATUS_HAVE_DATA &&
(b = get_buffer(stream, io->buffer_id)) != NULL) {
/* push new buffer */
if (push_queue(impl, &impl->dequeued, b) == 0) {
copy_position(impl, impl->dequeued.incount);
call_process(impl);
}
}
io->buffer_id = b ? b->id : SPA_ID_INVALID;
io->status = SPA_STATUS_NEED_DATA;
return SPA_STATUS_HAVE_DATA;
if (io->status != SPA_STATUS_NEED_DATA) {
/* pop buffer to recycle */
if ((b = pop_queue(impl, &impl->queued))) {
pw_log_trace(NAME" %p: recycle buffer %d", stream, b->id);
}
io->buffer_id = b ? b->id : SPA_ID_INVALID;
io->status = SPA_STATUS_NEED_DATA;
}
return SPA_STATUS_NEED_DATA | SPA_STATUS_HAVE_DATA;
}
static int impl_node_process_output(void *object)