/*  The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) 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 <ortp/port.h>/* flags for PayloadType::flags */#define	PAYLOAD_TYPE_ALLOCATED (1)	/* private flags for future use by ortp */#define	PAYLOAD_TYPE_PRIV1 (1<<1)#define	PAYLOAD_TYPE_PRIV2 (1<<2)#define	PAYLOAD_TYPE_PRIV3 (1<<3)	/* user flags, can be used by the application on top of oRTP */#define	PAYLOAD_TYPE_USER_FLAG_0 (1<<4)#define	PAYLOAD_TYPE_USER_FLAG_1 (1<<5)#define	PAYLOAD_TYPE_USER_FLAG_2 (1<<6)	/* ask for more if you need*/#define PAYLOAD_AUDIO_CONTINUOUS 0#define PAYLOAD_AUDIO_PACKETIZED 1#define PAYLOAD_VIDEO 2#define PAYLOAD_OTHER 3  /* ?? */struct _PayloadType{	int type;	int clock_rate;	char bits_per_sample;		/* in case of continuous audio data */	char *zero_pattern;	int pattern_length;	/* other useful information for the application*/	int normal_bitrate;	/*in bit/s */	char *mime_type;	char *recv_fmtp; /* various format parameters for the incoming stream */	char *send_fmtp; /* various format parameters for the outgoing stream */	int flags;	void *user_data;};#ifndef PayloadType_defined#define PayloadType_definedtypedef struct _PayloadType PayloadType;#endif#define payload_type_set_flag(pt,flag) (pt)->flags|=((int)flag)#define payload_type_unset_flag(pt,flag) (pt)->flags&=(~(int)flag)#define RTP_PROFILE_MAX_PAYLOADS 128struct _RtpProfile{	char *name;	PayloadType *payload[RTP_PROFILE_MAX_PAYLOADS];};typedef struct _RtpProfile RtpProfile;#ifdef __cplusplusextern "C"{#endifPayloadType *payload_type_new(void);PayloadType *payload_type_clone(PayloadType *payload);void payload_type_destroy(PayloadType *pt);void payload_type_set_recv_fmtp(PayloadType *pt, const char *fmtp);void payload_type_set_send_fmtp(PayloadType *pt, const char *fmtp);/*parses a fmtp string such as "profile=0;level=10", finds the value matching parameterparam_name, and writes it into result. Returns TRUE if the parameter was found. */bool_t fmtp_get_value(const char *fmtp, const char *param_name, char *result, size_t result_len);VAR_DECLSPEC RtpProfile av_profile;#ifdef __cplusplus}#endif#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)#ifdef __cplusplusextern "C"{#endifvoid rtp_profile_set_payload(RtpProfile *prof, int idx, PayloadType *pt);#define rtp_profile_clear_payload(profile,index)	rtp_profile_set_payload(profile,index,NULL)	/* I prefer have this function inlined because it is very often called in the code */static inline PayloadType * rtp_profile_get_payload(RtpProfile *prof, int idx){	if (idx<0 || idx>=RTP_PROFILE_MAX_PAYLOADS) {		return NULL;	}	return prof->payload[idx];}void rtp_profile_clear_all(RtpProfile *prof);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);int rtp_profile_get_payload_number_from_mime(RtpProfile *profile,const char *mime);int rtp_profile_get_payload_number_from_rtpmap(RtpProfile *profile, const char *rtpmap);int rtp_profile_find_payload_number(RtpProfile *prof,const char *mime,int rate);PayloadType * rtp_profile_find_payload(RtpProfile *prof,const char *mime,int rate);int 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);/*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 */VAR_DECLSPEC PayloadType payload_type_pcmu8000;VAR_DECLSPEC PayloadType payload_type_pcma8000;VAR_DECLSPEC PayloadType payload_type_pcm8000;VAR_DECLSPEC PayloadType payload_type_lpc1016;VAR_DECLSPEC PayloadType payload_type_g729;VAR_DECLSPEC PayloadType payload_type_g7231;VAR_DECLSPEC PayloadType payload_type_gsm;VAR_DECLSPEC PayloadType payload_type_lpc1015;VAR_DECLSPEC PayloadType payload_type_speex_nb;VAR_DECLSPEC PayloadType payload_type_speex_wb;VAR_DECLSPEC PayloadType payload_type_ilbc;VAR_DECLSPEC PayloadType payload_type_amr;VAR_DECLSPEC PayloadType payload_type_amrwb;VAR_DECLSPEC PayloadType payload_type_truespeech;/* video */VAR_DECLSPEC PayloadType payload_type_mpv;VAR_DECLSPEC PayloadType payload_type_h261;VAR_DECLSPEC PayloadType payload_type_h263;VAR_DECLSPEC PayloadType payload_type_h263_1998;VAR_DECLSPEC PayloadType payload_type_h263_2000;VAR_DECLSPEC PayloadType payload_type_mp4v;VAR_DECLSPEC PayloadType payload_type_theora;/* telephone-event */VAR_DECLSPEC PayloadType payload_type_telephone_event;#endif