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Diffstat (limited to 'gst/matroska/ebml-write.h')
| -rwxr-xr-x | gst/matroska/ebml-write.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/gst/matroska/ebml-write.h b/gst/matroska/ebml-write.h new file mode 100755 index 0000000..2dbe350 --- /dev/null +++ b/gst/matroska/ebml-write.h @@ -0,0 +1,152 @@ +/* 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., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, 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, + GstClockTime timestamp); + +/* + * 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__ */ |