gstreamer/gst/mpegstream/gstdvddemux.h

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/* GStreamer
* Copyright (C) 2004 Martin Soto <martinsoto@users.sourceforge.net>
*
* 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 __DVD_DEMUX_H__
#define __DVD_DEMUX_H__
#include <gst/gst.h>
#include "gstmpegdemux.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_DVD_DEMUX \
(gst_dvd_demux_get_type())
#define GST_DVD_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVD_DEMUX,GstDVDDemux))
#define GST_DVD_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVD_DEMUX,GstDVDDemuxClass))
#define GST_IS_DVD_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVD_DEMUX))
#define GST_IS_DVD_DEMUX_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVD_DEMUX))
/* Supported kinds of streams in addition to what mpegdemux already
does. */
enum {
GST_DVD_DEMUX_STREAM_SUBPICTURE = GST_MPEG_DEMUX_STREAM_LAST,
GST_DVD_DEMUX_STREAM_LAST,
};
/* Supported number of streams. */
#define GST_DVD_DEMUX_NUM_SUBPICTURE_STREAMS 32
typedef struct _GstDVDLPCMStream GstDVDLPCMStream ;
typedef struct _GstDVDDemux GstDVDDemux;
typedef struct _GstDVDDemuxClass GstDVDDemuxClass;
/* Additional recognized audio types. */
enum {
GST_DVD_DEMUX_AUDIO_LPCM = GST_MPEG_DEMUX_AUDIO_LAST,
GST_DVD_DEMUX_AUDIO_AC3,
GST_DVD_DEMUX_AUDIO_DTS,
GST_DVD_DEMUX_AUDIO_LAST,
};
/* The recognized subpicture types. */
enum {
GST_DVD_DEMUX_SUBP_UNKNOWN =
GST_MPEG_DEMUX_STREAM_TYPE (GST_DVD_DEMUX_STREAM_SUBPICTURE, 1),
GST_DVD_DEMUX_SUBP_DVD,
GST_DVD_DEMUX_SUBP_LAST,
};
/* Extended structure to hold additional information for linear PCM
streams. */
struct _GstDVDLPCMStream {
GstMPEGStream parent;
guint8 sample_info; /* The type of linear PCM samples
associated to this stream. The
values are bit fields with the same
format of the sample_info field in
the linear PCM header. */
};
struct _GstDVDDemux {
GstMPEGDemux parent;
GstPad *cur_video; /* Current video stream pad. */
GstPad *cur_audio; /* Current audio stream pad. */
GstPad *cur_subpicture; /* Current subpicture stream pad. */
gint cur_video_nr; /* Current video stream number. */
gint cur_audio_nr; /* Current audio stream number. */
gint cur_subpicture_nr; /* Current subpicture stream number. */
GstClockTime last_end_ptm; /* End presentation time of the las nav packet
event received. */
gboolean just_flushed; /* The element just received a flush event. */
GstClockTime discont_time; /* If different from GST_CLOCK_TIME_NONE, a
discontinuous event should be sent with the
given time, before sending the next dara
block.. */
GstMPEGStream *subpicture_stream[GST_DVD_DEMUX_NUM_SUBPICTURE_STREAMS];
/* Subpicture output streams. */
};
struct _GstDVDDemuxClass {
GstMPEGDemuxClass parent_class;
GstPadTemplate *cur_video_template;
GstPadTemplate *cur_audio_template;
GstPadTemplate *subpicture_template;
GstPadTemplate *cur_subpicture_template;
GstMPEGStream *
(*get_subpicture_stream)(GstMPEGDemux *mpeg_demux,
guint8 stream_nr,
gint type,
const gpointer info);
};
GType gst_dvd_demux_get_type (void);
gboolean gst_dvd_demux_plugin_init (GstPlugin *plugin);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __DVD_DEMUX_H__ */