pulse-server: split out pending-sample

Part of !776.

src/modules/module-protocol-pulse/pending-sample.c

@@ -0,0 +1,45 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <spa/utils/list.h>
+#include <spa/utils/hook.h>
+#include <pipewire/work-queue.h>
+
+#include "internal.h"
+#include "pending-sample.h"
+#include "sample-play.h"
+
+void pending_sample_free(struct pending_sample *ps)
+{
+	struct client * const client = ps->client;
+	struct impl * const impl = client->impl;
+
+	spa_list_remove(&ps->link);
+	spa_hook_remove(&ps->listener);
+	pw_work_queue_cancel(impl->work_queue, ps, SPA_ID_INVALID);
+
+	client->ref--;
+
+	sample_play_destroy(ps->play);
+}