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77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/* GStreamer
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* Copyright (C) <2007> Jan Schmidt <thaytan@mad.scientist.com>
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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_MPEGVIDEO_PARAMS_H__
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#define __GST_MPEGVIDEO_PARAMS_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/* Packet ID codes for different packet types we
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* care about */
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#define MPEG_PACKET_PICTURE 0x00
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#define MPEG_PACKET_SLICE_MIN 0x01
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#define MPEG_PACKET_SLICE_MAX 0xaf
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#define MPEG_PACKET_SEQUENCE 0xb3
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#define MPEG_PACKET_EXTENSION 0xb5
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#define MPEG_PACKET_SEQUENCE_END 0xb7
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#define MPEG_PACKET_GOP 0xb8
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#define MPEG_PACKET_NONE 0xff
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/* Extension codes we care about */
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#define MPEG_PACKET_EXT_SEQUENCE 0x01
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#define MPEG_PACKET_EXT_SEQUENCE_DISPLAY 0x02
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#define MPEG_PACKET_EXT_QUANT_MATRIX 0x03
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/* Flags indicating what type of packets are in this block, some are mutually
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* exclusive though - ie, sequence packs are accumulated separately. GOP &
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* Picture may occur together or separately */
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#define MPEG_BLOCK_FLAG_SEQUENCE 0x01
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#define MPEG_BLOCK_FLAG_PICTURE 0x02
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#define MPEG_BLOCK_FLAG_GOP 0x04
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#define MPEG_PICTURE_TYPE_I 0x01
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#define MPEG_PICTURE_TYPE_P 0x02
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#define MPEG_PICTURE_TYPE_B 0x03
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#define MPEG_PICTURE_TYPE_D 0x04
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typedef struct _MPEGVParams MPEGVParams;
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struct _MPEGVParams
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{
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gint mpeg_version;
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gint profile;
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gint level;
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gint width, height;
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gint par_w, par_h;
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gint fps_n, fps_d;
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gint bitrate;
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gboolean progressive;
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};
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GstFlowReturn gst_mpeg_video_params_parse_config (MPEGVParams * params,
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const guint8 * data, guint size);
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G_END_DECLS
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#endif
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