gstreamer/gst/mpeg4videoparse/mpeg4parse.h

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2011-05-12 10:07:39 +00:00
/* GStreamer MPEG4-2 video Parser
* Copyright (C) <2008> Mindfruit B.V.
* @author Sjoerd Simons <sjoerd@luon.net>
* Copyright (C) <2007> Julien Moutte <julien@fluendo.com>
*
* 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_MPEG4_PARAMS_H__
#define __GST_MPEG4_PARAMS_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define MPEG4_VIDEO_OBJECT_STARTCODE_MIN 0x00
#define MPEG4_VIDEO_OBJECT_STARTCODE_MAX 0x1F
#define MPEG4_VOS_STARTCODE 0xB0
#define MPEG4_VOS_ENDCODE 0xB1
#define MPEG4_USER_DATA_STARTCODE 0xB2
#define MPEG4_GOP_STARTCODE 0xB3
#define MPEG4_VISUAL_OBJECT_STARTCODE 0xB5
#define MPEG4_VOP_STARTCODE 0xB6
#define MPEG4_START_MARKER 0x000001
#define MPEG4_VISUAL_OBJECT_STARTCODE_MARKER \
((MPEG4_START_MARKER << 8) + MPEG4_VISUAL_OBJECT_STARTCODE)
#define MPEG4_VOS_STARTCODE_MARKER \
((MPEG4_START_MARKER << 8) + MPEG4_VOS_STARTCODE)
#define MPEG4_USER_DATA_STARTCODE_MARKER \
((MPEG4_START_MARKER << 8) + MPEG4_USER_DATA_STARTCODE)
typedef struct _MPEG4Params MPEG4Params;
struct _MPEG4Params
{
gint profile;
gint width, height;
gint aspect_ratio_width, aspect_ratio_height;
gint time_increment_resolution;
gint fixed_time_increment;
};
GstFlowReturn gst_mpeg4_params_parse_config (MPEG4Params * params,
const guint8 * data, guint size);
G_END_DECLS
#endif