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/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
*
* gstcollectpads.h:
*
* 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 __GST_COLLECTPADS_H__
#define __GST_COLLECTPADS_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_COLLECTPADS (gst_collectpads_get_type())
#define GST_COLLECTPADS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLLECTPADS,GstCollectPads))
#define GST_COLLECTPADS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_COLLECTPADS,GstCollectPadsClass))
#define GST_COLLECTPADS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_COLLECTPADS, GstCollectPadsClass))
#define GST_IS_COLLECTPADS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLLECTPADS))
#define GST_IS_COLLECTPADS_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLLECTPADS))
typedef struct _GstCollectPads GstCollectPads;
typedef struct _GstCollectPadsClass GstCollectPadsClass;
typedef struct _GstCollectData
{
GstCollectPads *collect;
GstPad *pad;
GstBuffer *buffer;
guint pos;
gint64 segment_start;
gint64 segment_stop;
gint64 stream_time;
} GstCollectData;
/* function will be called when all pads have data */
typedef GstFlowReturn (*GstCollectPadsFunction) (GstCollectPads *pads, gpointer user_data);
#define GST_COLLECTPADS_GET_COND(pads) (((GstCollectPads *)pads)->cond)
#define GST_COLLECTPADS_WAIT(pads) (g_cond_wait (GST_COLLECTPADS_GET_COND (pads), GST_GET_LOCK (pads)))
#define GST_COLLECTPADS_SIGNAL(pads) (g_cond_signal (GST_COLLECTPADS_GET_COND (pads)))
#define GST_COLLECTPADS_BROADCAST(pads)(g_cond_broadcast (GST_COLLECTPADS_GET_COND (pads)))
struct _GstCollectPads {
GstObject object;
/*< public >*/ /* with LOCK */
GSList *data; /* GstCollectData in this collection */
guint32 cookie;
GCond *cond; /* to signal removal of data */
/*< private >*/
GstCollectPadsFunction func; /* function and user_data for callback */
gpointer user_data;
guint numpads; /* number of pads */
guint queuedpads; /* number of pads with a buffer */
guint eospads; /* number of pads that are EOS */
gboolean started;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstCollectPadsClass {
GstObjectClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_collectpads_get_type(void);
/* creating the object */
GstCollectPads* gst_collectpads_new (void);
/* set the callback */
void gst_collectpads_set_function (GstCollectPads *pads, GstCollectPadsFunction func,
gpointer user_data);
/* pad management */
GstCollectData* gst_collectpads_add_pad (GstCollectPads *pads, GstPad *pad, guint size);
gboolean gst_collectpads_remove_pad (GstCollectPads *pads, GstPad *pad);
gboolean gst_collectpads_is_active (GstCollectPads *pads, GstPad *pad);
/* start/stop collection */
GstFlowReturn gst_collectpads_collect (GstCollectPads *pads);
GstFlowReturn gst_collectpads_collect_range (GstCollectPads *pads, guint64 offset, guint length);
void gst_collectpads_start (GstCollectPads *pads);
void gst_collectpads_stop (GstCollectPads *pads);
/* get collected buffers */
GstBuffer* gst_collectpads_peek (GstCollectPads *pads, GstCollectData *data);
GstBuffer* gst_collectpads_pop (GstCollectPads *pads, GstCollectData *data);
/* get collected bytes */
guint gst_collectpads_available (GstCollectPads *pads);
guint gst_collectpads_read (GstCollectPads *pads, GstCollectData *data,
guint8 **bytes, guint size);
guint gst_collectpads_flush (GstCollectPads *pads, GstCollectData *data,
guint size);
G_END_DECLS
#endif /* __GST_COLLECTPADS_H__ */
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