gstreamer/ext/dv/gstdvdemux.h
2020-03-16 09:20:07 +01:00

83 lines
2.2 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_DVDEMUX_H__
#define __GST_DVDEMUX_H__
#include <gst/gst.h>
#include <libdv/dv.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_DVDEMUX (gst_dvdemux_get_type())
G_DECLARE_FINAL_TYPE (GstDVDemux, gst_dvdemux, GST, DVDEMUX, GstElement)
typedef gboolean (*GstDVDemuxSeekHandler) (GstDVDemux *demux, GstPad * pad, GstEvent * event);
struct _GstDVDemux {
GstElement element;
GstPad *sinkpad;
GstPad *videosrcpad;
GstPad *audiosrcpad;
gboolean have_group_id;
guint group_id;
dv_decoder_t *decoder;
GstAdapter *adapter;
gint frame_len;
/* video params */
gint framerate_numerator;
gint framerate_denominator;
gint height;
gboolean wide;
/* audio params */
gint frequency;
gint channels;
gboolean discont;
gint64 frame_offset;
gint64 audio_offset;
gint64 video_offset;
GstDVDemuxSeekHandler seek_handler;
GstSegment byte_segment;
gboolean upstream_time_segment;
GstSegment time_segment;
gboolean need_segment;
guint32 segment_seqnum;
gboolean new_media;
int frames_since_new_media;
gint found_header; /* ATOMIC */
GstEvent *seek_event;
GstEvent *pending_segment;
GstEvent *tag_event;
gint16 *audio_buffers[4];
};
G_END_DECLS
#endif /* __GST_DVDEMUX_H__ */