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stream: somewhat implement drain better

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Abuse the xrun callback in the adapter to emit the drained signal until
almost all data left the resampler. This needs more work with a proper
signal and a buffer flag to signal the drain.
This commit is contained in:
Wim Taymans 2020-04-02 17:46:50 +02:00
parent ce39c6200d
commit 22e590c7cc
3 changed files with 25 additions and 7 deletions
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4
spa/plugins/audioconvert/audioadapter.c
View file

@ -886,8 +886,10 @@ static int impl_node_process(void *object)
if (status & SPA_STATUS_NEED_DATA) {
status = spa_node_process(this->follower);
if (!(status & SPA_STATUS_HAVE_DATA))
if (!(status & SPA_STATUS_HAVE_DATA)) {
spa_node_call_xrun(&this->callbacks, 0, 0, NULL);
break;
}
}
}
}

2
src/modules/module-client-node/remote-node.c
View file

@ -1131,6 +1131,8 @@ static int node_xrun(void *d, uint64_t trigger, uint64_t delay, struct spa_pod *
pw_log_debug("node %p: XRun! count:%u time:%"PRIu64" delay:%"PRIu64" max:%"PRIu64,
node, a->xrun_count, trigger, delay, a->max_delay);
pw_context_driver_emit_xrun(data->context, node);
return 0;
}

26
src/pipewire/stream.c
View file

@ -94,6 +94,7 @@ struct stream {
const char *path;
struct pw_context *context;
struct spa_hook context_listener;
enum spa_direction direction;
enum pw_stream_flags flags;
@ -780,10 +781,6 @@ again:
io->buffer_id = SPA_ID_INVALID;
io->status = SPA_STATUS_NEED_DATA;
pw_log_trace(NAME" %p: no more buffers %p", stream, io);
if (impl->draining) {
call_drained(impl);
goto exit;
}
}
}
@ -795,7 +792,6 @@ again:
io->status == SPA_STATUS_NEED_DATA)
goto again;
}
exit:
copy_position(impl, impl->queued.outcount);
res = io->status;
@ -1039,6 +1035,20 @@ static const struct pw_core_events core_events = {
.error = on_core_error,
};
static void context_xrun(void *data, struct pw_impl_node *node)
{
struct stream *impl = data;
if (impl->node != node)
return;
if (impl->draining)
call_drained(impl);
}
static const struct pw_context_driver_events context_events = {
PW_VERSION_CONTEXT_DRIVER_EVENTS,
.xrun = context_xrun,
};
static struct stream *
stream_new(struct pw_context *context, const char *name,
struct pw_properties *props, const struct pw_properties *extra)
@ -1102,6 +1112,9 @@ stream_new(struct pw_context *context, const char *name,
impl->context = context;
impl->allow_mlock = context->defaults.mem_allow_mlock;
spa_hook_list_append(&impl->context->driver_listener_list,
&impl->context_listener,
&context_events, impl);
return impl;
error_properties:
@ -1226,6 +1239,8 @@ void pw_stream_destroy(struct pw_stream *stream)
free(c);
}
spa_hook_remove(&impl->context_listener);
if (impl->data.context)
pw_context_destroy(impl->data.context);
@ -1505,7 +1520,6 @@ pw_stream_connect(struct pw_stream *stream,
pw_proxy_add_listener(stream->proxy, &stream->proxy_listener, &proxy_events, stream);
pw_impl_node_add_listener(impl->node, &stream->node_listener, &node_events, stream);
return 0;