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Diffstat (limited to 'gst/rtp/rtp-packet.h')
| -rw-r--r-- | gst/rtp/rtp-packet.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gst/rtp/rtp-packet.h b/gst/rtp/rtp-packet.h new file mode 100644 index 00000000..224e7898 --- /dev/null +++ b/gst/rtp/rtp-packet.h @@ -0,0 +1,104 @@ +/* + Gnome-o-Phone - A program for internet telephony + Copyright (C) 1999 Roland Dreier + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#ifndef _RTP_PACKET_H +#define _RTP_PACKET_H 1 + +#include <glib.h> +#include <netinet/in.h> + +#ifdef __cplusplus +extern "C" { +#endif + +enum { + RTP_VERSION = 2, + RTP_HEADER_LEN = 12, + RTP_MTU = 2048 +}; + +typedef struct Rtp_Header *Rtp_Header; + +struct Rtp_Packet_Struct { + gpointer data; + guint data_len; +}; + +struct Rtp_Header { +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + unsigned int csrc_count:4; /* CSRC count */ + unsigned int extension:1; /* header extension flag */ + unsigned int padding:1; /* padding flag */ + unsigned int version:2; /* protocol version */ + unsigned int payload_type:7; /* payload type */ + unsigned int marker:1; /* marker bit */ +#elif G_BYTE_ORDER == G_BIG_ENDIAN + unsigned int version:2; /* protocol version */ + unsigned int padding:1; /* padding flag */ + unsigned int extension:1; /* header extension flag */ + unsigned int csrc_count:4; /* CSRC count */ + unsigned int marker:1; /* marker bit */ + unsigned int payload_type:7; /* payload type */ +#else +#error "G_BYTE_ORDER should be big or little endian." +#endif + guint16 seq; /* sequence number */ + guint32 timestamp; /* timestamp */ + guint32 ssrc; /* synchronization source */ + guint32 csrc[1]; /* optional CSRC list */ +}; + +typedef struct Rtp_Packet_Struct *Rtp_Packet; + +Rtp_Packet rtp_packet_new_take_data(gpointer data, guint data_len); +Rtp_Packet rtp_packet_new_copy_data(gpointer data, guint data_len); +Rtp_Packet rtp_packet_new_allocate(guint payload_len, + guint pad_len, guint csrc_count); +void rtp_packet_free(Rtp_Packet packet); +Rtp_Packet rtp_packet_read(int fd, struct sockaddr *fromaddr, socklen_t *fromlen); +void rtp_packet_send(Rtp_Packet packet, int fd, struct sockaddr *toaddr, socklen_t tolen); +guint8 rtp_packet_get_version(Rtp_Packet packet); +void rtp_packet_set_version(Rtp_Packet packet, guint8 version); +guint8 rtp_packet_get_padding(Rtp_Packet packet); +void rtp_packet_set_padding(Rtp_Packet packet, guint8 padding); +guint8 rtp_packet_get_csrc_count(Rtp_Packet packet); +guint8 rtp_packet_get_extension(Rtp_Packet packet); +void rtp_packet_set_extension(Rtp_Packet packet, guint8 extension); +void rtp_packet_set_csrc_count(Rtp_Packet packet, guint8 csrc_count); +guint8 rtp_packet_get_marker(Rtp_Packet packet); +void rtp_packet_set_marker(Rtp_Packet packet, guint8 marker); +guint8 rtp_packet_get_payload_type(Rtp_Packet packet); +void rtp_packet_set_payload_type(Rtp_Packet packet, guint8 payload_type); +guint16 rtp_packet_get_seq(Rtp_Packet packet); +void rtp_packet_set_seq(Rtp_Packet packet, guint16 seq); +guint32 rtp_packet_get_timestamp(Rtp_Packet packet); +void rtp_packet_set_timestamp(Rtp_Packet packet, guint32 timestamp); +guint32 rtp_packet_get_ssrc(Rtp_Packet packet); +void rtp_packet_set_ssrc(Rtp_Packet packet, guint32 ssrc); +guint rtp_packet_get_payload_len(Rtp_Packet packet); +gpointer rtp_packet_get_payload(Rtp_Packet packet); +guint rtp_packet_get_packet_len(Rtp_Packet packet); + +#ifdef __cplusplus +} +#endif + +#endif /* rtp-packet.h */ |