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

#ifndef __GST_PIPEWIRE_POOL_H__
#define __GST_PIPEWIRE_POOL_H__

#include "gstpipewirestream.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())
G_DECLARE_FINAL_TYPE (GstPipeWirePool, gst_pipewire_pool, GST, PIPEWIRE_POOL, GstBufferPool)

typedef struct _GstPipeWirePoolData GstPipeWirePoolData;
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;

  GWeakRef stream;
  guint n_buffers;

  gboolean add_metavideo;
  GstVideoInfo video_info;

  GstAllocator *fd_allocator;
  GstAllocator *dmabuf_allocator;

  GCond cond;
  gboolean paused;
};

GstPipeWirePool *  gst_pipewire_pool_new (GstPipeWireStream *stream);

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

static inline gboolean
gst_pipewire_pool_has_buffers (GstPipeWirePool *pool)
{
  return pool->n_buffers > 0;
}

GstPipeWirePoolData *gst_pipewire_pool_get_data (GstBuffer *buffer);

void gst_pipewire_pool_set_paused (GstPipeWirePool *pool, gboolean paused);

G_END_DECLS

#endif /* __GST_PIPEWIRE_POOL_H__ */