gstreamer/gst/multipart/multipartdemux.h
2021-03-29 12:45:22 +02:00

110 lines
3.1 KiB
C

/* GStreamer
* Copyright (C) 2006 Sjoerd Simons <sjoerd@luon.net>
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
*
* gstmultipartdemux.h: multipart stream demuxer
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_MULTIPART_DEMUX__
#define __GST_MULTIPART_DEMUX__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <string.h>
G_BEGIN_DECLS
#define GST_TYPE_MULTIPART_DEMUX (gst_multipart_demux_get_type())
#define GST_MULTIPART_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTIPART_DEMUX, GstMultipartDemux))
#define GST_MULTIPART_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTIPART_DEMUX, GstMultipartDemux))
#define GST_MULTIPART_DEMUX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MULTIPART_DEMUX, GstMultipartDemuxClass))
#define GST_IS_MULTIPART_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTIPART_DEMUX))
#define GST_IS_MULTIPART_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTIPART_DEMUX))
typedef struct _GstMultipartDemux GstMultipartDemux;
typedef struct _GstMultipartDemuxClass GstMultipartDemuxClass;
#define MULTIPART_NEED_MORE_DATA -1
#define MULTIPART_DATA_ERROR -2
#define MULTIPART_DATA_EOS -3
/* all information needed for one multipart stream */
typedef struct
{
GstPad *pad; /* reference for this pad is held by element we belong to */
gchar *mime;
GstClockTime last_ts; /* last timestamp to make sure we don't send
* two buffers with the same timestamp */
GstFlowReturn last_ret;
gboolean discont;
}
GstMultipartPad;
/**
* GstMultipartDemux:
*
* The opaque #GstMultipartDemux structure.
*/
struct _GstMultipartDemux
{
GstElement element;
/* pad */
GstPad *sinkpad;
GSList *srcpads;
guint numpads;
GstAdapter *adapter;
/* Header information of the current frame */
gboolean header_completed;
gchar *boundary;
guint boundary_len;
gchar *mime_type;
gint content_length;
/* Index inside the current data when manually looking for the boundary */
gint scanpos;
gboolean singleStream;
/* to handle stream-start */
gboolean have_group_id;
guint group_id;
};
struct _GstMultipartDemuxClass
{
GstElementClass parent_class;
GHashTable *gstnames;
};
GType gst_multipart_demux_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (multipartdemux);
G_END_DECLS
#endif /* __GST_MULTIPART_DEMUX__ */