Merge branch 'master' into 0.11

[platform/upstream/gst-plugins-good.git] / sys / v4l2 / gstv4l2bufferpool.h

diff --git a/sys/v4l2/gstv4l2bufferpool.h b/sys/v4l2/gstv4l2bufferpool.h
index 36a4220..17e04e3 100644 (file)
--- a/sys/v4l2/gstv4l2bufferpool.h
+++ b/sys/v4l2/gstv4l2bufferpool.h
@@ -4,7 +4,7 @@
  *               2006 Edgard Lima <edgard.lima@indt.org.br>
  *               2009 Texas Instruments, Inc - http://www.ti.com/
  *
- * gstv4l2src.h: BT8x8/V4L2 source element
+ * gstv4l2bufferpool.h V4L2 buffer pool class
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -22,76 +22,73 @@
  * Boston, MA 02111-1307, USA.
  */
 
-#ifndef __GSTV4L2BUFFER_H__
-#define __GSTV4L2BUFFER_H__
+#ifndef __GST_V4L2_BUFFER_POOL_H__
+#define __GST_V4L2_BUFFER_POOL_H__
 
 #include <gst/gst.h>
-#include "v4l2_calls.h"
+
+typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
+typedef struct _GstV4l2BufferPoolClass GstV4l2BufferPoolClass;
+typedef struct _GstMetaV4l2 GstMetaV4l2;
+
+#include "gstv4l2object.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))
+#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))
+#define GST_V4L2_BUFFER_POOL_CAST(obj) ((GstV4l2BufferPool*)(obj))
 
+struct _GstV4l2BufferPool
+{
+  GstBufferPool parent;
 
+  GstV4l2Object *obj;        /* the v4l2 object */
+  gint video_fd;             /* a dup(2) of the v4l2object's video_fd */
 
-typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
-typedef struct _GstV4l2Buffer GstV4l2Buffer;
+  GstAllocator *allocator;
+  guint size;
+  guint min_buffers;
+  guint max_buffers;
+  guint prefix;
+  guint align;
+  gboolean add_videometa;
 
+  guint num_allocated;       /* number of buffers allocated by the driver */
+  guint num_queued;          /* number of buffers queued in the driver */
 
-struct _GstV4l2BufferPool
-{
-  GstMiniObject parent;
+  gboolean streaming;
 
-  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 */
+  GstBuffer **buffers;
+};
 
-  GMutex *lock;
-  gboolean running;          /* with lock */
-  gint num_live_buffers;     /* number of buffers not with driver */
-  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 _GstV4l2BufferPoolClass
+{
+  GstBufferPoolClass parent_class;
 };
 
-struct _GstV4l2Buffer {
-  GstBuffer   buffer;
+struct _GstMetaV4l2 {
+  GstMeta meta;
 
+  gpointer mem;
   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);
-
+const GstMetaInfo * gst_meta_v4l2_get_info (void);
+#define GST_META_V4L2_GET(buf) ((GstMetaV4l2 *)gst_buffer_get_meta(buf,gst_meta_v4l2_get_info()))
+#define GST_META_V4L2_ADD(buf) ((GstMetaV4l2 *)gst_buffer_add_meta(buf,gst_meta_v4l2_get_info(),NULL))
 
-GstV4l2Buffer *gst_v4l2_buffer_pool_get (GstV4l2BufferPool *pool);
-gboolean gst_v4l2_buffer_pool_qbuf (GstV4l2BufferPool *pool, GstV4l2Buffer *buf);
-GstV4l2Buffer *gst_v4l2_buffer_pool_dqbuf (GstV4l2BufferPool *pool);
+GType gst_v4l2_buffer_pool_get_type (void);
 
-gint gst_v4l2_buffer_pool_available_buffers (GstV4l2BufferPool *pool);
+GstBufferPool *     gst_v4l2_buffer_pool_new     (GstV4l2Object *obj, GstCaps *caps);
 
+GstFlowReturn       gst_v4l2_buffer_pool_process (GstV4l2BufferPool * bpool, GstBuffer * buf);
 
-#define GST_V4L2_BUFFER_POOL_LOCK(pool)     g_mutex_lock ((pool)->lock)
-#define GST_V4L2_BUFFER_POOL_UNLOCK(pool)   g_mutex_unlock ((pool)->lock)
+G_END_DECLS
 
-#endif /* __GSTV4L2BUFFER_H__ */
+#endif /*__GST_V4L2_BUFFER_POOL_H__ */