mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 21:28:45 +00:00
7a8ebc4a79
Only send newsegment events with new positions downstream when actually needed, instead of sending multiple newsegment events with new seek positions in a row. Also set the discont flag on buffers after a discontinuity.
151 lines
5.4 KiB
C
151 lines
5.4 KiB
C
/* GStreamer EBML I/O
|
|
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
* (c) 2005 Michal Benes <michal.benes@xeris.cz>
|
|
*
|
|
* ebml-write.c: write EBML data to 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_WRITE_H__
|
|
#define __GST_EBML_WRITE_H__
|
|
|
|
#include <glib.h>
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstbytewriter.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_EBML_WRITE \
|
|
(gst_ebml_write_get_type ())
|
|
#define GST_EBML_WRITE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EBML_WRITE, GstEbmlWrite))
|
|
#define GST_EBML_WRITE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_EBML_WRITE, GstEbmlWriteClass))
|
|
#define GST_IS_EBML_WRITE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EBML_WRITE))
|
|
#define GST_IS_EBML_WRITE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_EBML_WRITE))
|
|
#define GST_EBML_WRITE_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EBML_WRITE, GstEbmlWriteClass))
|
|
|
|
typedef struct _GstEbmlWrite {
|
|
GstObject object;
|
|
|
|
GstPad *srcpad;
|
|
guint64 pos;
|
|
guint64 last_pos;
|
|
GstClockTime timestamp;
|
|
|
|
GstByteWriter *cache;
|
|
guint64 cache_pos;
|
|
|
|
GstFlowReturn last_write_result;
|
|
|
|
gboolean writing_streamheader;
|
|
GstByteWriter *streamheader;
|
|
guint64 streamheader_pos;
|
|
|
|
GstCaps *caps;
|
|
} GstEbmlWrite;
|
|
|
|
typedef struct _GstEbmlWriteClass {
|
|
GstObjectClass parent;
|
|
} GstEbmlWriteClass;
|
|
|
|
GType gst_ebml_write_get_type (void);
|
|
|
|
GstEbmlWrite *gst_ebml_write_new (GstPad *srcpad);
|
|
void gst_ebml_write_reset (GstEbmlWrite *ebml);
|
|
|
|
GstFlowReturn gst_ebml_last_write_result (GstEbmlWrite *ebml);
|
|
|
|
/* Used to create streamheaders */
|
|
void gst_ebml_start_streamheader (GstEbmlWrite *ebml);
|
|
GstBuffer* gst_ebml_stop_streamheader (GstEbmlWrite *ebml);
|
|
|
|
/*
|
|
* Caching means that we do not push one buffer for
|
|
* each element, but fill this one until a flush.
|
|
*/
|
|
void gst_ebml_write_set_cache (GstEbmlWrite *ebml,
|
|
guint size);
|
|
void gst_ebml_write_flush_cache (GstEbmlWrite *ebml,
|
|
gboolean is_keyframe);
|
|
|
|
/*
|
|
* Seeking.
|
|
*/
|
|
void gst_ebml_write_seek (GstEbmlWrite *ebml,
|
|
guint64 pos);
|
|
|
|
/*
|
|
* Data writing.
|
|
*/
|
|
void gst_ebml_write_uint (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
guint64 num);
|
|
void gst_ebml_write_sint (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
gint64 num);
|
|
void gst_ebml_write_float (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
gdouble num);
|
|
void gst_ebml_write_ascii (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
const gchar *str);
|
|
void gst_ebml_write_utf8 (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
const gchar *str);
|
|
void gst_ebml_write_date (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
gint64 date);
|
|
guint64 gst_ebml_write_master_start (GstEbmlWrite *ebml,
|
|
guint32 id);
|
|
void gst_ebml_write_master_finish (GstEbmlWrite *ebml,
|
|
guint64 startpos);
|
|
void gst_ebml_write_master_finish_full (GstEbmlWrite * ebml,
|
|
guint64 startpos,
|
|
guint64 extra_size);
|
|
void gst_ebml_write_binary (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
guchar *binary,
|
|
guint64 length);
|
|
void gst_ebml_write_header (GstEbmlWrite *ebml,
|
|
const gchar *doctype,
|
|
guint version);
|
|
|
|
/*
|
|
* Note: this is supposed to be used only for media data.
|
|
*/
|
|
void gst_ebml_write_buffer_header (GstEbmlWrite *ebml,
|
|
guint32 id,
|
|
guint64 length);
|
|
void gst_ebml_write_buffer (GstEbmlWrite *ebml,
|
|
GstBuffer *data);
|
|
|
|
/*
|
|
* A hack, basically... See matroska-mux.c. I should actually
|
|
* make a nice _replace_element_with_size() or so, but this
|
|
* works for now.
|
|
*/
|
|
void gst_ebml_replace_uint (GstEbmlWrite *ebml,
|
|
guint64 pos,
|
|
guint64 num);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_EBML_WRITE_H__ */
|