mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 12:10:37 +00:00
8012622e1b
Original commit message from CVS: * gst/matroska/ebml-read.c: * gst/matroska/ebml-read.h: * gst/matroska/matroska-demux.c: (gst_matroska_demux_reset), (gst_matroska_demux_parse_metadata): * gst/matroska/matroska-demux.h: Make sure that every Tags element is only parsed once and it's containing tags are only posted once.
119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/* GStreamer EBML I/O
|
|
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* ebml-read.c: read EBML data from file/stream
|
|
*
|
|
* 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_EBML_READ_H__
|
|
#define __GST_EBML_READ_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_EBML_READ \
|
|
(gst_ebml_read_get_type ())
|
|
#define GST_EBML_READ(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EBML_READ, GstEbmlRead))
|
|
#define GST_EBML_READ_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_EBML_READ, GstEbmlReadClass))
|
|
#define GST_IS_EBML_READ(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EBML_READ))
|
|
#define GST_IS_EBML_READ_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_EBML_READ))
|
|
#define GST_EBML_READ_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EBML_READ, GstEbmlReadClass))
|
|
|
|
typedef struct _GstEbmlLevel {
|
|
guint64 start;
|
|
guint64 length;
|
|
} GstEbmlLevel;
|
|
|
|
typedef struct _GstEbmlRead {
|
|
GstElement parent;
|
|
|
|
GstBuffer *cached_buffer;
|
|
|
|
GstPad *sinkpad;
|
|
guint64 offset;
|
|
|
|
GList *level;
|
|
} GstEbmlRead;
|
|
|
|
typedef struct _GstEbmlReadClass {
|
|
GstElementClass parent;
|
|
} GstEbmlReadClass;
|
|
|
|
GType gst_ebml_read_get_type (void);
|
|
|
|
void gst_ebml_level_free (GstEbmlLevel *level);
|
|
|
|
GstFlowReturn gst_ebml_peek_id (GstEbmlRead *ebml,
|
|
guint *level_up,
|
|
guint32 *id);
|
|
|
|
GstFlowReturn gst_ebml_read_seek (GstEbmlRead *ebml,
|
|
guint64 offset);
|
|
|
|
gint64 gst_ebml_read_get_length (GstEbmlRead *ebml);
|
|
|
|
GstFlowReturn gst_ebml_read_skip (GstEbmlRead *ebml);
|
|
|
|
GstFlowReturn gst_ebml_read_buffer (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
GstBuffer **buf);
|
|
|
|
GstFlowReturn gst_ebml_read_uint (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
guint64 *num);
|
|
|
|
GstFlowReturn gst_ebml_read_sint (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
gint64 *num);
|
|
|
|
GstFlowReturn gst_ebml_read_float (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
gdouble *num);
|
|
|
|
GstFlowReturn gst_ebml_read_ascii (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
gchar **str);
|
|
|
|
GstFlowReturn gst_ebml_read_utf8 (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
gchar **str);
|
|
|
|
GstFlowReturn gst_ebml_read_date (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
gint64 *date);
|
|
|
|
GstFlowReturn gst_ebml_read_master (GstEbmlRead *ebml,
|
|
guint32 *id);
|
|
|
|
GstFlowReturn gst_ebml_read_binary (GstEbmlRead *ebml,
|
|
guint32 *id,
|
|
guint8 **binary,
|
|
guint64 *length);
|
|
|
|
GstFlowReturn gst_ebml_read_header (GstEbmlRead *read,
|
|
gchar **doctype,
|
|
guint *version);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_EBML_READ_H__ */
|