1 files changed, 97 insertions, 0 deletions
diff --git a/sys/v4l2/gstv4l2bufferpool.h b/sys/v4l2/gstv4l2bufferpool.h
new file mode 100644
index 00000000..31746079
--- /dev/null
+++ b/sys/v4l2/gstv4l2bufferpool.h
@@ -0,0 +1,97 @@
+/* GStreamer
+ *
+ * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *               2006 Edgard Lima <edgard.lima@indt.org.br>
+ *               2009 Texas Instruments, Inc - http://www.ti.com/
+ *
+ * gstv4l2src.h: BT8x8/V4L2 source element
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GSTV4L2BUFFER_H__
+#define __GSTV4L2BUFFER_H__
+
+#include <gst/gst.h>
+#include "v4l2_calls.h"
+
+GST_DEBUG_CATEGORY_EXTERN (v4l2buffer_debug);
+
+G_BEGIN_DECLS
+
+
+GType gst_v4l2_buffer_get_type (void);
+#define GST_TYPE_V4L2_BUFFER (gst_v4l2_buffer_get_type())
+#define GST_IS_V4L2_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_BUFFER))
+#define GST_V4L2_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_BUFFER, GstV4l2Buffer))
+
+GType gst_v4l2_buffer_pool_get_type (void);
+#define GST_TYPE_V4L2_BUFFER_POOL (gst_v4l2_buffer_pool_get_type())
+#define GST_IS_V4L2_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_BUFFER_POOL))
+#define GST_V4L2_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_BUFFER_POOL, GstV4l2BufferPool))
+
+
+
+typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
+typedef struct _GstV4l2Buffer GstV4l2Buffer;
+
+
+struct _GstV4l2BufferPool
+{
+  GstMiniObject parent;
+
+  GstElement *v4l2elem;      /* the v4l2 src/sink that owns us.. maybe we should be owned by v4l2object? */
+  gboolean requeuebuf;       /* if true, unusued buffers are automatically re-QBUF'd */
+  enum v4l2_buf_type type;   /* V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_BUF_TYPE_VIDEO_OUTPUT */
+
+  GMutex *lock;
+  gboolean running;          /* with lock */
+  gint num_live_buffers;     /* number of buffers not with driver (capture) or not in avail buffer pool (display) */
+  GAsyncQueue* avail_buffers;/* pool of available buffers, not with the driver and which aren't held outside the bufferpool */
+  gint video_fd;             /* a dup(2) of the v4l2object's video_fd */
+  guint buffer_count;
+  GstV4l2Buffer **buffers;
+};
+
+struct _GstV4l2Buffer {
+  GstBuffer   buffer;
+
+  struct v4l2_buffer vbuffer;
+
+  /* FIXME: have GstV4l2Src* instead, as this has GstV4l2BufferPool* */
+  /* FIXME: do we really want to fix this if GstV4l2Buffer/Pool is shared
+   * between v4l2src and v4l2sink??
+   */
+  GstV4l2BufferPool *pool;
+};
+
+G_END_DECLS
+
+void gst_v4l2_buffer_pool_destroy (GstV4l2BufferPool * pool);
+GstV4l2BufferPool *gst_v4l2_buffer_pool_new (GstElement *v4l2elem, gint fd, gint num_buffers, GstCaps * caps, gboolean requeuebuf, enum v4l2_buf_type type);
+
+
+GstV4l2Buffer *gst_v4l2_buffer_pool_get (GstV4l2BufferPool *pool, gboolean blocking);
+gboolean gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool *pool, GstV4l2Buffer *buf);
+GstV4l2Buffer *gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool *pool);
+
+gint gst_v4l2_buffer_pool_available_buffers (GstV4l2BufferPool *pool);
+
+
+#define GST_V4L2_BUFFER_POOL_LOCK(pool)     g_mutex_lock ((pool)->lock)
+#define GST_V4L2_BUFFER_POOL_UNLOCK(pool)   g_mutex_unlock ((pool)->lock)
+
+#endif /* __GSTV4L2BUFFER_H__ */