/* GStreamer */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */

#ifndef __GST_PIPEWIRE_POOL_H__
#define __GST_PIPEWIRE_POOL_H__

#include <gst/gst.h>

#include <gst/video/video.h>

#include <pipewire/pipewire.h>

G_BEGIN_DECLS

#define GST_TYPE_PIPEWIRE_POOL \
  (gst_pipewire_pool_get_type())
#define GST_PIPEWIRE_POOL(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIPEWIRE_POOL,GstPipeWirePool))
#define GST_PIPEWIRE_POOL_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIPEWIRE_POOL,GstPipeWirePoolClass))
#define GST_IS_PIPEWIRE_POOL(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIPEWIRE_POOL))
#define GST_IS_PIPEWIRE_POOL_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPEWIRE_POOL))
#define GST_PIPEWIRE_POOL_GET_CLASS(klass) \
  (G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_PIPEWIRE_POOL, GstPipeWirePoolClass))

typedef struct _GstPipeWirePoolData GstPipeWirePoolData;
typedef struct _GstPipeWirePool GstPipeWirePool;
typedef struct _GstPipeWirePoolClass GstPipeWirePoolClass;

struct _GstPipeWirePoolData {
  GstPipeWirePool *pool;
  void *owner;
  struct spa_meta_header *header;
  guint flags;
  struct pw_buffer *b;
  GstBuffer *buf;
  gboolean queued;
  struct spa_meta_region *crop;
  struct spa_meta_videotransform *videotransform;
};

struct _GstPipeWirePool {
  GstBufferPool parent;

  struct pw_stream *stream;

  gboolean add_metavideo;
  GstVideoInfo video_info;

  GstAllocator *fd_allocator;
  GstAllocator *dmabuf_allocator;

  GCond cond;
};

struct _GstPipeWirePoolClass {
  GstBufferPoolClass parent_class;
};

GType gst_pipewire_pool_get_type (void);

GstPipeWirePool *  gst_pipewire_pool_new           (void);

void gst_pipewire_pool_wrap_buffer (GstPipeWirePool *pool, struct pw_buffer *buffer);
void gst_pipewire_pool_remove_buffer (GstPipeWirePool *pool, struct pw_buffer *buffer);

GstPipeWirePoolData *gst_pipewire_pool_get_data (GstBuffer *buffer);

G_END_DECLS

#endif /* __GST_PIPEWIRE_POOL_H__ */