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/* GStreamer
* Copyright (C) <2014> Stian Selnes <stian@pexip.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.
*
* Author: Dejan Sakelsak sahel@kiberpipa.org
*/
#ifndef __GST_RTP_H261_PAY_H__
#define __GST_RTP_H261_PAY_H__
#include <gst/gst.h>
#include <gst/rtp/gstrtpbasepayload.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_H261_PAY \
(gst_rtp_h261_pay_get_type())
#define GST_RTP_H261_PAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H261_PAY,GstRtpH261Pay))
#define GST_RTP_H261_PAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H261_PAY,GstRtpH261PayClass))
#define GST_IS_RTP_H261_PAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H261_PAY))
#define GST_IS_RTP_H261_PAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H261_PAY))
typedef struct _GstRtpH261PayClass GstRtpH261PayClass;
typedef struct _GstRtpH261Pay GstRtpH261Pay;
struct _GstRtpH261Pay
{
GstRTPBasePayload payload;
GstAdapter *adapter;
gint offset;
GstClockTime timestamp;
};
struct _GstRtpH261PayClass
{
GstRTPBasePayloadClass parent_class;
};
typedef struct _GstRtpH261PayHeader
{
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
unsigned int v:1; /* Motion vector flag */
unsigned int i:1; /* Intra encoded data */
unsigned int ebit:3; /* End position */
unsigned int sbit:3; /* Start position */
unsigned int mbap1:4; /* MB address predictor - part1 */
unsigned int gobn:4; /* GOB number */
unsigned int hmvd1:2; /* Horizontal motion vector data - part1 */
unsigned int quant:5; /* Quantizer */
unsigned int mbap2:1; /* MB address predictor - part2 */
unsigned int vmvd:5; /* Horizontal motion vector data - part1 */
unsigned int hmvd2:3; /* Vertical motion vector data */
#elif G_BYTE_ORDER == G_BIG_ENDIAN
unsigned int sbit:3; /* Start position */
unsigned int ebit:3; /* End position */
unsigned int i:1; /* Intra encoded data */
unsigned int v:1; /* Motion vector flag */
unsigned int gobn:4; /* GOB number */
unsigned int mbap1:4; /* MB address predictor - part1 */
unsigned int mbap2:1; /* MB address predictor - part2 */
unsigned int quant:5; /* Quantizer */
unsigned int hmvd1:2; /* Horizontal motion vector data - part1 */
unsigned int hmvd2:3; /* Vertical motion vector data */
unsigned int vmvd:5; /* Horizontal motion vector data - part1 */
#else
#error "G_BYTE_ORDER should be big or little endian."
#endif
} GstRtpH261PayHeader;
#define GST_RTP_H261_PAYLOAD_HEADER_LEN 4
GType gst_rtp_h261_pay_get_type (void);
gboolean gst_rtp_h261_pay_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_H261_PAY_H__ */
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