#ifndef _rtp_profile_h_
#define _rtp_profile_h_

#ifdef __cplusplus
extern "C" {
#endif

enum
{
	RTP_TYPE_UNKNOWN = 0,
	RTP_TYPE_AUDIO,
	RTP_TYPE_VIDEO,
	RTP_TYPE_SYSTEM,
};

enum { RTP_PAYLOAD_DYNAMIC = 96, };

/// https://en.wikipedia.org/wiki/RTP_audio_video_profile
/// RFC3551 6. Payload Type Definitions (p28)
struct rtp_profile_t
{
	int payload;	// 0~127, 96-127 dynamic, 35-71 unassigned, 72-76 reserved, 77-95 unassigned
	int avtype;		// 0-unknown, 1-audio, 2-video, 3-system(audio/video)
	int channels;	// number of channels
	int frequency;	// clock rate
	char name[32];  // case insensitive
};

/***
{
	// audio
	{ 0, "PCMU",	8000,	1 }, // G711 mu-law
	{ 1, "",		0,		0 }, // reserved
	{ 2, "",		0,		0 }, // reserved
	{ 3, "GSM",		8000,	1 },
	{ 4, "G723",	8000,	1 },
	{ 5, "DVI4",	8000,	1 },
	{ 6, "DVI4",	16000,	1 },
	{ 7, "LPC",		8000,	1 },
	{ 8, "PCMA",	8000,	1 }, // G711 A-law
	{ 9, "G722",	8000,	1 },
	{10, "L16",		44100,	2 },
	{11, "L16",		44100,	1 },
	{12, "QCELP",	8000,	1 },
	{13, "CN",		8000,	1 },
	{14, "MPA",		90000,	0 }, // MPEG-1/MPEG-2 audio
	{15, "G728",	8000,	1 },
	{16, "DVI4",	11025,	1 },
	{17, "DVI4",	22050,	1 },
	{18, "G729",	8000,	1 },
	{19, "",		0,		0 }, // reserved
	{20, "",		0,		0 }, // unassigned
	{21, "",		0,		0 }, // unassigned
	{22, "",		0,		0 }, // unassigned
	{23, "",		0,		0 }, // unassigned
	//{ 0, "G726-40", 8000,	1 },
	//{ 0, "G726-32", 8000,	1 },
	//{ 0, "G726-24", 8000,	1 },
	//{ 0, "G726-16", 8000,	1 },
	//{ 0, "G729-D",  8000,	1 },
	//{ 0, "G729-E",  8000,	1 },
	//{ 0, "GSM-EFR", 8000,	1 },
	//{ 0, "L8",      var,	1 },

	// video
	{24, "",		0,		0 }, // unassigned
	{25, "CelB",	90000,	0 }, // SUN CELL-B
	{26, "JPEG",	90000,	0 },
	{27, "",		0,		0 }, // unassigned
	{28, "nv",		90000,	0 },
	{29, "",		0,		0 }, // unassigned
	{30, "",		0,		0 }, // unassigned
	{31, "H261",	90000,	0 },
	{32, "MPV",		90000,	0 }, // MPEG-1/MPEG-2 video
	{33, "MP2T",	90000,	0 }, // MPEG-2 TS
	{34, "H263",	90000,	0 },
	//{ 0, "H263-1998",90000,	0 },

	// 35-71 unassigned
	// 72-76 reserved
	// 77-95 unassigned
	// 96-127 dynamic
	{96, "MPG4",	90000,  0 }, // RFC3640 RTP Payload Format for Transport of MPEG-4 Elementary Streams
	{97, "MP2P",	90000,  0 }, // RFC3555 4.2.11 Registration of MIME media type video/MP2P
	{98, "H264",	90000,	0 }, // RFC6184 RTP Payload Format for H.264 Video
};
***/

enum
{
	RTP_PAYLOAD_PCMU		= 0,  // ITU-T G.711 PCM µ-Law audio 64 kbit/s (rfc3551)
	RTP_PAYLOAD_G723		= 4,  // ITU-T G.723.1 8000/1, 30ms (rfc3551)
	RTP_PAYLOAD_PCMA		= 8,  // ITU-T G.711 PCM A-Law audio 64 kbit/s (rfc3551)
	RTP_PAYLOAD_G722		= 9,  // ITU-T G.722 audio 64 kbit/s (rfc3551)
	RTP_PAYLOAD_CN			= 13, // Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN) (rfc3389)
	RTP_PAYLOAD_MP3			= 14, // MPEG-1/MPEG-2 audio (rfc2250)
	RTP_PAYLOAD_G729		= 18, // ITU-T G.729 and G.729a audio 8 kbit/s (rfc3551)
	RTP_PAYLOAD_SVACA		= 20, // GB28181-2016

	RTP_PAYLOAD_JPEG		= 26, // JPEG video (rfc2435)
	RTP_PAYLOAD_MPV			= 32, // MPEG-1 and MPEG-2 video (rfc2250)
	RTP_PAYLOAD_MP2T		= 33, // MPEG-2 transport stream (rfc2250)
	RTP_PAYLOAD_H263		= 34, // H.263 video, first version (1996) (rfc2190)
    RTP_PAYLOAD_AV1X        = 35, // https://bugs.chromium.org/p/webrtc/issues/detail?id=11042

	RTP_PAYLOAD_MP2P		= 96, // MPEG-2 Program Streams video (rfc2250)
	RTP_PAYLOAD_MP4V		= 97, // MP4V-ES MPEG-4 Visual (rfc6416)
	RTP_PAYLOAD_H264		= 98, // H.264 video (MPEG-4 Part 10) (rfc6184)
	RTP_PAYLOAD_SVAC		= 99, // GB28181-2016
	RTP_PAYLOAD_H265		= 100, // H.265 video (MPEG-H Part 2) (rfc7798)
	RTP_PAYLOAD_MP4A		= 101, // MPEG4-generic audio/video MPEG-4 Elementary Streams (rfc3640)
	RTP_PAYLOAD_LATM		= 102, // MP4A-LATM MPEG-4 Audio (rfc6416)
	RTP_PAYLOAD_OPUS		= 103, // RTP Payload Format for the Opus Speech and Audio Codec (rfc7587)
	RTP_PAYLOAD_MP4ES		= 104, // MPEG4-generic audio/video MPEG-4 Elementary Streams (rfc3640)
	RTP_PAYLOAD_VP8			= 105, // RTP Payload Format for VP8 Video (rfc7741)
	RTP_PAYLOAD_VP9			= 106, // RTP Payload Format for VP9 Video draft-ietf-payload-vp9-03
	RTP_PAYLOAD_AV1			= 107, // https://aomediacodec.github.io/av1-rtp-spec/
	RTP_PAYLOAD_H266		= 108, // https://www.ietf.org/archive/id/draft-ietf-avtcore-rtp-vvc-18.html

	RTP_PAYLOAD_RTX			= 110, // RTP Retransmission Payload Format (rfc4588)
	RTP_PAYLOAD_RED			= 111, // RTP Payload for Redundant Audio Data (rfc2198)
	RTP_PAYLOAD_FEC_ULP		= 112, // RTP Payload Format for Generic Forward Error Correction (rfc5109)
	RTP_PAYLOAD_FEC_FLEX	= 113, // RTP Payload Format for Flexible Forward Error Correction (rfc8267)
	RTP_PAYLOAD_FEC_RS		= 114, // RTP Payload Format for Reed-Solomon(non-standard/private)
};

///@param[in] payload RTP payload type(0 ~ 127)
///@return NULL if not exist
const struct rtp_profile_t* rtp_profile_find(int payload);

#ifdef __cplusplus
}
#endif
#endif /* _rtp_profile_h_ */