/* GStreamer
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- * 2006 Edgard Lima <edgard.lima@indt.org.br>
+ * 2006 Edgard Lima <edgard.lima@gmail.com>
* 2009 Texas Instruments, Inc - http://www.ti.com/
*
* gstv4l2bufferpool.h V4L2 buffer pool class
*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, 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"
-
-GST_DEBUG_CATEGORY_EXTERN (v4l2buffer_debug);
-
-G_BEGIN_DECLS
+typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
+typedef struct _GstV4l2BufferPoolClass GstV4l2BufferPoolClass;
+typedef struct _GstV4l2Meta GstV4l2Meta;
-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))
+#include "gstv4l2object.h"
+#include "gstv4l2allocator.h"
-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))
+G_BEGIN_DECLS
+#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))
+/* This flow return is used to indicated that the last buffer of a
+ * drain or a resoltuion change has been found. This should normally
+ * only occure for mem-2-mem devices. */
+#define GST_V4L2_FLOW_LAST_BUFFER GST_FLOW_CUSTOM_SUCCESS
-typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
-typedef struct _GstV4l2Buffer GstV4l2Buffer;
-
+/* This flow return is used to indicated that the returned buffer was marked
+ * with the error flag and had no payload. This error should be recovered by
+ * simply waiting for next buffer. */
+#define GST_V4L2_FLOW_CORRUPTED_BUFFER GST_FLOW_CUSTOM_SUCCESS_1
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 */
+ GstBufferPool parent;
- 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 */
+ GstV4l2Object *obj; /* the v4l2 object */
gint video_fd; /* a dup(2) of the v4l2object's video_fd */
- guint buffer_count;
- GstV4l2Buffer **buffers;
+ GstPoll *poll; /* a poll for video_fd */
+ GstPollFD pollfd;
+ gboolean can_poll_device;
+
+ gboolean empty;
+ GCond empty_cond;
+
+ gboolean orphaned;
+
+ GstV4l2Allocator *vallocator;
+ GstAllocator *allocator;
+#ifdef TIZEN_FEATURE_V4L2_TBM_SUPPORT
+ GstAllocator *tallocator;
+ gint live_buffer_count;
+ GMutex buffer_lock;
+ GCond buffer_cond;
+#endif /* TIZEN_FEATURE_V4L2_TBM_SUPPORT */
+ GstAllocationParams params;
+ GstBufferPool *other_pool;
+ guint size;
+ GstVideoInfo caps_info; /* Default video information */
+
+ gboolean add_videometa; /* set if video meta should be added */
+ gboolean enable_copy_threshold; /* If copy_threshold should be set */
+
+ guint min_latency; /* number of buffers we will hold */
+ guint max_latency; /* number of buffers we can hold */
+ guint num_queued; /* number of buffers queued in the driver */
+ guint num_allocated; /* number of buffers allocated */
+ guint copy_threshold; /* when our pool runs lower, start handing out copies */
+
+ gboolean streaming;
+ gboolean flushing;
+
+ GstBuffer *buffers[VIDEO_MAX_FRAME];
+
+ /* signal handlers */
+ gulong group_released_handler;
+
+ /* Control to warn only once on buggy feild driver bug */
+ gboolean has_warned_on_buggy_field;
};
-struct _GstV4l2Buffer {
- GstBuffer buffer;
-
- struct v4l2_buffer vbuffer;
- /* warning: the size of mmap buffer and
- * the actual frame-buffer can be different. */
- size_t mmap_length;
-
- /* 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;
+struct _GstV4l2BufferPoolClass
+{
+ GstBufferPoolClass parent_class;
};
-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);
+GType gst_v4l2_buffer_pool_get_type (void);
+GstBufferPool * gst_v4l2_buffer_pool_new (GstV4l2Object *obj, GstCaps *caps);
-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);
+GstFlowReturn gst_v4l2_buffer_pool_process (GstV4l2BufferPool * bpool, GstBuffer ** buf);
-gint gst_v4l2_buffer_pool_available_buffers (GstV4l2BufferPool *pool);
+void gst_v4l2_buffer_pool_set_other_pool (GstV4l2BufferPool * pool,
+ GstBufferPool * other_pool);
+void gst_v4l2_buffer_pool_copy_at_threshold (GstV4l2BufferPool * pool,
+ gboolean copy);
+gboolean gst_v4l2_buffer_pool_flush (GstBufferPool *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)
+gboolean gst_v4l2_buffer_pool_orphan (GstBufferPool ** pool);
G_END_DECLS
-#endif /* __GSTV4L2BUFFER_H__ */
+#endif /*__GST_V4L2_BUFFER_POOL_H__ */
projects / platform / upstream / gst-plugins-good.git / blobdiff