#ifndef _rtp_profile_h_
#define _rtp_profile_h_

/// 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_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_G729 = 18,  // ITU-T G.729 and G.729a audio 8 kbit/s (rfc3551)
    RTP_PAYLOAD_MP3 = 14,   // MPEG-1/MPEG-2 audio (rfc2250)

    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_MP4V = 96,    // MP4V-ES MPEG-4 Visual (rfc6416)
    RTP_PAYLOAD_H264 = 97,    // H.264 video (MPEG-4 Part 10) (rfc6184)
    RTP_PAYLOAD_H265 = 98,    // H.265 video (MPEG-H Part 2) (rfc7798)
    RTP_PAYLOAD_MP2P = 99,    // MPEG-2 Program Streams video (rfc2250)
    RTP_PAYLOAD_MP4A = 100,   // MP4A-LATM MPEG-4 Audio (rfc6416)
    RTP_PAYLOAD_OPUS = 101,   // RTP Payload Format for the Opus Speech and Audio Codec (rfc7587)
    RTP_PAYLOAD_MP4ES = 102,  // MPEG4-generic audio/video MPEG-4 Elementary Streams (rfc3640)
    RTP_PAYLOAD_VP8 = 103,
    RTP_PAYLOAD_VP9 = 104,
};

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

#endif /* _rtp_profile_h_ */