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/*
The oRTP library is an RTP (Realtime Transport Protocol - rfc1889) stack.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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 PAYLOADTYPE_H
#define PAYLOADTYPE_H
#include <rtpport.h>
typedef enum{
PAYLOAD_TYPE_ALLOCATED = 1
}PayloadTypeFlags;
struct _PayloadType
{
gint type;
#define PAYLOAD_AUDIO_CONTINUOUS 0
#define PAYLOAD_AUDIO_PACKETIZED 1
#define PAYLOAD_VIDEO 2
#define PAYLOAD_OTHER 3 /* ?? */
gint clock_rate;
char bits_per_sample; /* in case of continuous audio data */
char *zero_pattern;
gint pattern_length;
/* other usefull information */
gint normal_bitrate; /*in bit/s */
char *mime_type;
char *fmtp; /*various parameters, as a string */
PayloadTypeFlags flags;
void *user_data;
};
#ifndef PayloadType_defined
#define PayloadType_defined
typedef struct _PayloadType PayloadType;
#endif
#ifdef __cplusplus
extern "C"{
#endif
PayloadType *payload_type_new();
PayloadType *payload_type_clone(PayloadType *payload);
void payload_type_destroy(PayloadType *pt);
#ifdef __cplusplus
}
#endif
#define payload_type_set_flag(pt,flag) (pt)->flags|=(flag)
#define payload_type_unset_flag(pt,flag) (pt)->flags&=(~flag)
#define RTP_PROFILE_MAX_PAYLOADS 128
struct _RtpProfile
{
char *name;
PayloadType *payload[RTP_PROFILE_MAX_PAYLOADS];
};
typedef struct _RtpProfile RtpProfile;
extern RtpProfile av_profile;
#define payload_type_set_user_data(pt,p) (pt)->user_data=(p)
#define payload_type_get_user_data(pt) ((pt)->user_data)
#define rtp_profile_get_name(profile) (const char*)((profile)->name)
#define rtp_profile_set_payload(profile,index,pt) (profile)->payload[(index)]=(pt)
#define rtp_profile_clear_payload(profile,index) (profile)->payload[(index)]=NULL
#define rtp_profile_clear_all(profile) memset((void*)(profile),0,sizeof(RtpProfile))
#define rtp_profile_get_payload(profile,index) ((profile)->payload[(index)])
#ifdef __cplusplus
extern "C"{
#endif
void rtp_profile_set_name(RtpProfile *prof, const char *name);
PayloadType * rtp_profile_get_payload_from_mime(RtpProfile *profile,const char *mime);
PayloadType * rtp_profile_get_payload_from_rtpmap(RtpProfile *profile, const char *rtpmap);
gint rtp_profile_get_payload_number_from_mime(RtpProfile *profile,const char *mime);
gint rtp_profile_get_payload_number_from_rtpmap(RtpProfile *profile, const char *rtpmap);
gint rtp_profile_find_payload_number(RtpProfile *prof,const gchar *mime,int rate);
PayloadType * rtp_profile_find_payload(RtpProfile *prof,const gchar *mime,int rate);
gint rtp_profile_move_payload(RtpProfile *prof,int oldpos,int newpos);
RtpProfile * rtp_profile_new(const char *name);
/* clone a profile, payload are not cloned */
RtpProfile * rtp_profile_clone(RtpProfile *prof);
/* copy a profile into another one; payload are not cloned */
void rtp_profile_copy(const RtpProfile *orig, RtpProfile *dest);
/*clone a profile and its payloads (ie payload type are newly allocated, not reusing payload types of the reference profile) */
RtpProfile * rtp_profile_clone_full(RtpProfile *prof);
/* frees the profile and all its PayloadTypes*/
void rtp_profile_destroy(RtpProfile *prof);
#ifdef __cplusplus
}
#endif
/* some payload types */
/* audio */
extern PayloadType pcmu8000;
extern PayloadType pcma8000;
extern PayloadType pcm8000;
extern PayloadType lpc1016;
extern PayloadType gsm;
extern PayloadType lpc1015;
extern PayloadType speex_nb;
extern PayloadType speex_wb;
extern PayloadType payload_type_ilbc;
extern PayloadType truespeech;
/* video */
extern PayloadType mpv;
extern PayloadType h261;
extern PayloadType h263;
#endif
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