mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 02:31:03 +00:00
126 lines
3.2 KiB
C
126 lines
3.2 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __MPEG_DEMUX_H__
|
|
#define __MPEG_DEMUX_H__
|
|
|
|
|
|
#include <config.h>
|
|
#include <gst/gst.h>
|
|
#include "gstmpegparse.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#define GST_TYPE_MPEG_DEMUX \
|
|
(mpeg_demux_get_type())
|
|
#define GST_MPEG_DEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEG_DEMUX,GstMPEGDemux))
|
|
#define GST_MPEG_DEMUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEG_DEMUX,GstMPEGDemux))
|
|
#define GST_IS_MPEG_DEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEG_DEMUX))
|
|
#define GST_IS_MPEG_DEMUX_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEG_DEMUX))
|
|
|
|
typedef struct _GstMPEGDemux GstMPEGDemux;
|
|
typedef struct _GstMPEGDemuxClass GstMPEGDemuxClass;
|
|
|
|
typedef struct _MPEG1Stream MPEG1Stream;
|
|
|
|
struct _MPEG1Stream {
|
|
guchar stream_id;
|
|
gint8 STD_buffer_bound_scale;
|
|
gint16 STD_buffer_size_bound;
|
|
};
|
|
|
|
struct _GstMPEGDemux {
|
|
GstMPEGParse parent;
|
|
|
|
/* current parse state */
|
|
guchar id;
|
|
|
|
/* previous partial chunk and bytes remaining in it */
|
|
gboolean in_flush;
|
|
|
|
/* counters */
|
|
gulong packs;
|
|
|
|
/* pack header values */
|
|
gboolean have_packhead;
|
|
guint64 scr_base;
|
|
guint16 scr_extension;
|
|
guint32 bit_rate;
|
|
|
|
/* program stream header values */
|
|
gboolean have_syshead;
|
|
guint16 header_length;
|
|
guint32 rate_bound;
|
|
guint8 audio_bound;
|
|
gboolean fixed;
|
|
gboolean constrained;
|
|
gboolean audio_lock;
|
|
gboolean video_lock;
|
|
guint8 video_bound;
|
|
gboolean packet_rate_restriction;
|
|
struct _MPEG1Stream STD_buffer_info[48];
|
|
|
|
#define NUM_PRIVATE_1_PADS 8
|
|
#define NUM_SUBTITLE_PADS 16
|
|
#define NUM_VIDEO_PADS 16
|
|
#define NUM_AUDIO_PADS 32
|
|
|
|
/* stream output pads */
|
|
GstPad *private_1_pad[NUM_PRIVATE_1_PADS]; /* up to 8 ac3 audio tracks */
|
|
gulong private_1_offset[NUM_PRIVATE_1_PADS];
|
|
|
|
GstPad *subtitle_pad[NUM_SUBTITLE_PADS];
|
|
gulong subtitle_offset[NUM_SUBTITLE_PADS];
|
|
|
|
GstPad *private_2_pad;
|
|
gulong private_2_offset;
|
|
|
|
GstPad *video_pad[NUM_VIDEO_PADS];
|
|
gulong video_offset[NUM_VIDEO_PADS];
|
|
gint64 video_PTS[NUM_VIDEO_PADS];
|
|
|
|
GstPad *audio_pad[NUM_AUDIO_PADS];
|
|
gulong audio_offset[NUM_AUDIO_PADS];
|
|
gint64 audio_PTS[NUM_AUDIO_PADS];
|
|
|
|
};
|
|
|
|
struct _GstMPEGDemuxClass {
|
|
GstMPEGParseClass parent_class;
|
|
};
|
|
|
|
GType gst_mpeg_demux_get_type(void);
|
|
|
|
gboolean gst_mpeg_demux_plugin_init (GModule *module, GstPlugin *plugin);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __MPEG_DEMUX_H__ */
|