PayloadTypes.h

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/* Copyright (C) 2002 Carsten Griwodz
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, this code may be used in unmodified form
 * provided that this copyright notice and this permission notice appear
 * in supporting documentation.
 *
 * The code may be made subject to the terms of the GNU General Public
 * License, Version 2, and re-distributed under the terms of this license.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after negotiation of conditions with the authors.
 */
#ifndef SDP_PAYLOAD_TYPES_H
#define SDP_PAYLOAD_TYPES_H

#include "mnstream.h"

namespace SDP
{

enum PayloadTypes
{
    PT_EXPECT_DYNAMIC = -2,
    PT_UNDEFINED =  -1,

    /* begin of legally assigned numbers section 0 - 71 */
    PT_PCMU    =  0,       
    PT_DEFAULT =  PT_PCMU,
    PT_1016    =  1,       
    PT_G721    =  2,       
    PT_GSM     =  3,       
    PT_G723    =  4,       
    PT_DVI4    =  5,       
    PT_DVI42   =  6,       
    PT_LPC     =  7,       
    PT_PCMA    =  8,       
    PT_G722    =  9,       
    PT_L16     = 10,       
    PT_L162    = 11,       
    PT_QCELP   = 12,       
    PT_CN      = 13,       
    PT_MPA     = 14,       
    PT_G728    = 15,       
    PT_DVI43   = 16,       
    PT_DVI44   = 17,       
    PT_G729    = 18,       
    /* 19 - 24 */
    PT_CELLB   = 25,       
    PT_JPEG    = 26,       
    PT_CUSM    = 27,       
    PT_NV      = 28,       
    PT_PICW    = 29,       
    PT_CPV     = 30,       
    PT_H261    = 31,       
    PT_MPV     = 32,       
    PT_MPEG    = PT_MPV,
    PT_MP2T    = 33,       
    PT_H263    = 34,       
    PT_SPEG    = 35,
    /*  34 -  71  unassigned */
    /*  72 -  76  reserved   */
    /*  77 -  95  unassigned */
    PT_X_LD      = 95,       

    /*  96 - 127  dynamic
     *            known audio codecs in this range:
     *            GSM-HR   from IOP 2
     *            GSM-EFR  from IOP 2
     *            L8       from IOP 2
     *            RED      from IOP 2
     *            VDVI     from IOP 2
     *            known video codecs in this range:
     *            BT656     from IOP 2
     *            H263-1998 from IOP 2
     *            MP1S      from IOP 2
     *            MP2P      from IOP 2
     *            BMPEG     from IOP 2
     *
     * 128 - open internal use only, when a=rtpmap: is resolved
     */
    PT_D_GSM_HR    = 200,
    PT_D_GSM_EFR   = 201,
    PT_D_L8        = 202,
    PT_D_RED       = 203,
    PT_D_VDVI      = 204,

    PT_D_BT656     = 220,
    PT_D_H263_1998 = 221,
    PT_D_MP1S      = 222,
    PT_D_MP2P      = 223,
    PT_D_BMPEG     = 224,

    PT_MP4V        = 230,
    PT_MP4A        = 237,
    PT_JVC_ASF     = 255,

    PT_D_AVI       = 256,  

    PT_MAX   = 257
};

PayloadTypes pt_from_int( int val );

bool         is_known_pt( int val );

bool         is_layered_pt( PayloadTypes val );

bool         is_audio_pt( PayloadTypes val );

bool         is_multiplexed_pt( PayloadTypes val );

int          default_rate_from_pt( PayloadTypes pt );

int          default_channels_from_pt( PayloadTypes pt );

ostream& operator<<( ostream& ostr, PayloadTypes t );

}; // namespace SDP

#endif /* SDP_PAYLOAD_TYPES_H */

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