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103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/* GStreamer EBML I/O
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* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* ebml-write.c: write EBML data to file/stream
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_EBML_WRITE_H__
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#define __GST_EBML_WRITE_H__
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#include <glib.h>
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_EBML_WRITE \
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(gst_ebml_write_get_type ())
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#define GST_EBML_WRITE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EBML_WRITE, GstEbmlWrite))
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#define GST_EBML_WRITE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_EBML_WRITE, GstEbmlWriteClass))
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#define GST_IS_EBML_WRITE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EBML_WRITE))
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#define GST_IS_EBML_WRITE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_EBML_WRITE))
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#define GST_EBML_WRITE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EBML_WRITE, GstEbmlWriteClass))
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typedef struct _GstEbmlWrite
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{
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GstElement parent;
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GstPad *srcpad;
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guint64 pos;
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GstBuffer *cache;
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guint handled;
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} GstEbmlWrite;
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typedef struct _GstEbmlWriteClass
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{
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GstElementClass parent;
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} GstEbmlWriteClass;
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GType gst_ebml_write_get_type (void);
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/*
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* Caching means that we do not push one buffer for
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* each element, but fill this one until a flush.
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*/
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void gst_ebml_write_set_cache (GstEbmlWrite * ebml, guint size);
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void gst_ebml_write_flush_cache (GstEbmlWrite * ebml);
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/*
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* Seeking.
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*/
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void gst_ebml_write_seek (GstEbmlWrite * ebml, guint64 pos);
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/*
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* Data writing.
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*/
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void gst_ebml_write_uint (GstEbmlWrite * ebml, guint32 id, guint64 num);
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void gst_ebml_write_sint (GstEbmlWrite * ebml, guint32 id, gint64 num);
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void gst_ebml_write_float (GstEbmlWrite * ebml, guint32 id, gdouble num);
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void gst_ebml_write_ascii (GstEbmlWrite * ebml, guint32 id, const gchar * str);
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void gst_ebml_write_utf8 (GstEbmlWrite * ebml, guint32 id, const gchar * str);
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void gst_ebml_write_date (GstEbmlWrite * ebml, guint32 id, gint64 date);
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guint64 gst_ebml_write_master_start (GstEbmlWrite * ebml, guint32 id);
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void gst_ebml_write_master_finish (GstEbmlWrite * ebml, guint64 startpos);
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void gst_ebml_write_binary (GstEbmlWrite * ebml,
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guint32 id, guchar * binary, guint64 length);
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void gst_ebml_write_header (GstEbmlWrite * ebml,
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gchar * doctype, guint version);
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/*
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* Note: this is supposed to be used only for media data.
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*/
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void gst_ebml_write_buffer_header (GstEbmlWrite * ebml,
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guint32 id, guint64 length);
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void gst_ebml_write_buffer (GstEbmlWrite * ebml, GstBuffer * data);
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/*
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* A hack, basically... See matroska-mux.c. I should actually
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* make a nice _replace_element_with_size() or so, but this
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* works for now.
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*/
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void gst_ebml_replace_uint (GstEbmlWrite * ebml, guint64 pos, guint64 num);
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G_END_DECLS
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#endif /* __GST_EBML_WRITE_H__ */
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