gstreamer/ext/annodex/gstcmmldec.h
2010-03-17 18:23:28 +01:00

98 lines
3.2 KiB
C

/*
* gstcmmldec.h - GStreamer annodex CMML decoder
* Copyright (C) 2005 Alessandro Decina
*
* Authors:
* Alessandro Decina <alessandro@nnva.org>
*
* 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_CMML_DEC_H__
#define __GST_CMML_DEC_H__
#include <gst/gst.h>
#include <gst/gstformat.h>
#include <gst/controller/gstcontroller.h>
#include "gstcmmlparser.h"
/* GstCmmlDec */
#define GST_TYPE_CMML_DEC (gst_cmml_dec_get_type())
#define GST_CMML_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_CMML_DEC, GstCmmlDec))
#define GST_CMML_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CMML_DEC, GstCmmlDecClass))
#define GST_IS_CMML_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_CMML_DEC))
#define GST_IS_CMML_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CMML_DEC))
#define GST_CMML_DEC_GET_CLASS(klass) \
(G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CMML_DEC, GstCmmlDecClass))
typedef struct _GstCmmlDec GstCmmlDec;
typedef struct _GstCmmlDecClass GstCmmlDecClass;
typedef enum _GstCmmlPacketType GstCmmlPacketType;
enum _GstCmmlPacketType
{
GST_CMML_PACKET_UNKNOWN,
GST_CMML_PACKET_IDENT_HEADER,
GST_CMML_PACKET_FIRST_HEADER,
GST_CMML_PACKET_SECOND_HEADER,
GST_CMML_PACKET_CLIP
};
struct _GstCmmlDec
{
GstElement element;
/* element part */
GstPad *sinkpad;
GstPad *srcpad;
/* bitstream part */
gint16 major; /* bitstream version major */
gint16 minor; /* bitstream version minor */
gint64 granulerate_n; /* bitrstream granulerate numerator */
gint64 granulerate_d; /* bitstream granulerate denominator */
gint8 granuleshift; /* bitstreamgranuleshift */
gint64 granulepos; /* bitstream granule position */
GstClockTime timestamp; /* timestamp of the last buffer */
/* decoder part */
GstCmmlParser *parser; /* cmml parser */
gboolean sent_root;
GstFlowReturn flow_return; /* _chain return value */
gboolean wait_clip_end; /* when TRUE, the GST_TAG_MESSAGE for a
* clip is sent when the next clip (or EOS)
* is found, so that the clip end-time is
* known. This is useful for pre-extracting
* the clips.
*/
GHashTable *tracks;
};
struct _GstCmmlDecClass
{
GstElementClass parent_class;
};
GType gst_cmml_dec_get_type (void);
gboolean gst_cmml_dec_plugin_init (GstPlugin * plugin);
#endif /* __GST_CMML_DEC_H__ */