1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/pipewire/pipewire/buffers.h b/third_party/pipewire/pipewire/buffers.h
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+++ b/third_party/pipewire/pipewire/buffers.h
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+/* PipeWire
+ *
+ * Copyright © 2019 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.
+ */
+
+#ifndef PIPEWIRE_BUFFERS_H
+#define PIPEWIRE_BUFFERS_H
+
+#include <spa/node/node.h>
+
+#include <pipewire/context.h>
+#include <pipewire/mem.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup pw_buffers Buffers
+ * Buffer handling
+ */
+
+/**
+ * \addtogroup pw_buffers
+ * \{
+ */
+
+#define PW_BUFFERS_FLAG_NONE		0
+#define PW_BUFFERS_FLAG_NO_MEM		(1<<0)	/**< don't allocate buffer memory */
+#define PW_BUFFERS_FLAG_SHARED		(1<<1)	/**< buffers can be shared */
+#define PW_BUFFERS_FLAG_DYNAMIC		(1<<2)	/**< buffers have dynamic data */
+#define PW_BUFFERS_FLAG_SHARED_MEM	(1<<3)	/**< buffers need shared memory */
+
+struct pw_buffers {
+	struct pw_memblock *mem;	/**< allocated buffer memory */
+	struct spa_buffer **buffers;	/**< port buffers */
+	uint32_t n_buffers;		/**< number of port buffers */
+	uint32_t flags;			/**< flags */
+};
+
+int pw_buffers_negotiate(struct pw_context *context, uint32_t flags,
+		struct spa_node *outnode, uint32_t out_port_id,
+		struct spa_node *innode, uint32_t in_port_id,
+		struct pw_buffers *result);
+
+void pw_buffers_clear(struct pw_buffers *buffers);
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPEWIRE_BUFFERS_H */