gstreamer/gst/qtmux/gstqtmux.h

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/* Quicktime muxer plugin for GStreamer
* Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
*
* 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_QT_MUX_H__
#define __GST_QT_MUX_H__
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
#include "fourcc.h"
#include "atoms.h"
#include "gstqtmuxmap.h"
G_BEGIN_DECLS
#define GST_TYPE_QT_MUX (gst_qt_mux_get_type())
#define GST_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QT_MUX, GstQTMux))
#define GST_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QT_MUX, GstQTMux))
#define GST_IS_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QT_MUX))
#define GST_IS_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QT_MUX))
#define GST_QT_MUX_CAST(obj) ((GstQTMux*)(obj))
typedef struct _GstQTMux GstQTMux;
typedef struct _GstQTMuxClass GstQTMuxClass;
typedef struct _GstQTPad
{
GstCollectData collect; /* we extend the CollectData */
/* fourcc id of stream */
guint32 fourcc;
/* whether using format that have out of order buffers */
gboolean is_out_of_order;
/* if not 0, track with constant sized samples, e.g. raw audio */
guint sample_size;
/* make sync table entry */
gboolean sync;
GstBuffer *last_buf;
/* dts of last_buf */
GstClockTime last_dts;
/* all the atom and chunk book-keeping is delegated here
* unowned/uncounted reference, parent MOOV owns */
AtomTRAK *trak;
} GstQTPad;
typedef enum _GstQTMuxState
{
GST_QT_MUX_STATE_NONE,
GST_QT_MUX_STATE_STARTED,
GST_QT_MUX_STATE_DATA,
GST_QT_MUX_STATE_EOS
} GstQTMuxState;
struct _GstQTMux
{
GstElement element;
GstPad *srcpad;
GstCollectPads *collect;
/* state */
GstQTMuxState state;
/* size of header (prefix, atoms (ftyp, mdat)) */
guint64 header_size;
/* accumulated size of raw media data (a priori not including mdat header) */
guint64 mdat_size;
/* position of mdat extended size field (for later updating) */
guint64 mdat_pos;
/* atom helper objects */
AtomsContext *context;
AtomFTYP *ftyp;
AtomMOOV *moov;
/* fast start */
FILE *fast_start_file;
GstTagList *tags;
/* properties */
guint32 timescale;
AtomsTreeFlavor flavor;
gboolean fast_start;
gboolean large_file;
gboolean do_ctts;
gchar *fast_start_file_path;
/* for collect pads event handling function */
GstPadEventFunction collect_event;
};
struct _GstQTMuxClass
{
GstElementClass parent_class;
GstQTMuxFormat format;
};
/* type register helper struct */
typedef struct _GstQTMuxClassParams
{
GstQTMuxFormatProp *prop;
GstCaps *src_caps;
GstCaps *video_sink_caps;
GstCaps *audio_sink_caps;
} GstQTMuxClassParams;
#define GST_QT_MUX_PARAMS_QDATA g_quark_from_static_string("qt-mux-params")
GType gst_qt_mux_get_type (void);
G_END_DECLS
#endif /* __GST_QT_MUX_H__ */