ccRTP
formats.h
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1 // Copyright (C) 2002 Federico Montesino Pouzols <fedemp@altern.org>.
2 //
3 // This program is free software; you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation; either version 2 of the License, or
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7 //
8 // This program is distributed in the hope that it will be useful,
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10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
12 //
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15 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16 //
17 // As a special exception, you may use this file as part of a free software
18 // library without restriction. Specifically, if other files instantiate
19 // templates or use macros or inline functions from this file, or you compile
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21 // file does not by itself cause the resulting executable to be covered by
22 // the GNU General Public License. This exception does not however
23 // invalidate any other reasons why the executable file might be covered by
24 // the GNU General Public License.
25 //
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27 // ccRTP. If you copy code from other releases into a copy of GNU
28 // ccRTP, as the General Public License permits, the exception does
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37 
38 #ifndef CCXX_RTP_FORMATS_H_
39 #define CCXX_RTP_FORMATS_H_
40 
41 NAMESPACE_COMMONCPP
42 
63 typedef uint8 PayloadType;
64 
66 const PayloadType ptINVALID = 128;
67 
74 typedef enum {
75  // Types for audio formats:
76  sptPCMU = 0,
78  // 1016 static payload type is now deprecated. Type 1 is reserved.
79  // spt1016, ///< CELP audio (FED-STD 1016) (RFC 1890)
80  sptG726_32 = 2,
91  // Type 13 is reserved.
92  sptMPA = 14,
97  // Type 19 is reserved. Types 20 - 23 are unassigned.
99 
100  // Types for video formats:
101  // Type 24 is unassigned.
102  sptCELB = 25,
104  // Type 27 is unassigned.
105  sptNV = 28,
106  // Types 29 and 30 are unassigned.
107  sptH261 = 31,
111  // Types 35 - 71 are unassigned.
112  // Types 72 - 76 are reserved.
113  // Types 96 - 127 are dynamic.
116 
130 class __EXPORT PayloadFormat
131 {
132 public:
139  { return payloadType; }
140 
149  inline uint32 getRTPClockRate() const
150  { return RTPClockRate; }
151 
152 protected:
157  { }
158 
162  inline virtual ~PayloadFormat()
163  { }
164 
170  inline void setPayloadType(PayloadType pt)
171  { payloadType = pt; }
172 
178  inline void setRTPClockRate(uint32 rate)
179  { RTPClockRate = rate; }
180 
181  // default clock rate
182  static const uint32 defaultRTPClockRate;
183 
184 private:
185  PayloadType payloadType;
186  uint32 RTPClockRate;
187 };
188 
201 class __EXPORT StaticPayloadFormat : public PayloadFormat
202 {
203 public:
213 
214 private:
220  static uint32 staticAudioTypesRates[lastStaticAudioPayloadType -
222 };
223 
235 class __EXPORT DynamicPayloadFormat : public PayloadFormat
236 {
237 public:
245  DynamicPayloadFormat(PayloadType type, uint32 rate);
246 };
247  // payload
249 
250 END_NAMESPACE
251 
252 #endif // ndef CCXX_RTP_FORMATS_H_
253 
PayloadType getPayloadType() const
Get payload type numeric identifier carried in RTP packets.
Definition: formats.h:138
ITU-T G.711. mu-law audio 8 Khz (RFC 1890)
Definition: formats.h:76
DVI audio at 22050 hz (by Joseph Di Pol)
Definition: formats.h:95
virtual ~PayloadFormat()
PayloadFormat must not be used but as base class.
Definition: formats.h:162
void setRTPClockRate(uint32 rate)
Set RTP clock rate.
Definition: formats.h:178
ITU-T G.723. MP-MLQ ACELP audio (RFC 1890)
Definition: formats.h:82
void setPayloadType(PayloadType pt)
Set payload type numeric identifier carried in RTP packets.
Definition: formats.h:170
GSM audio (RFC 1890)
Definition: formats.h:81
const PayloadType ptINVALID
Predefined value for invalid or uninitialized payload type variables.
Definition: formats.h:66
LPC audio (RFC 1890)
Definition: formats.h:85
MPEG Audio elem. stream (RFCs 1890, 2250)
Definition: formats.h:92
ITU-T G.728. LD-CELP audio.
Definition: formats.h:93
JPEG (ISO 10918) video (RFCs 1890, 2435)
Definition: formats.h:103
Static payload format objects.
Definition: formats.h:201
Dynamic payload format objects.
Definition: formats.h:235
ITU-T H.263 video (RFCs 2190, 2429)
Definition: formats.h:110
Definition: formats.h:77
uint32 getRTPClockRate() const
Get RTP clock rate for this payload format.
Definition: formats.h:149
Linear uncompressed mono audio (RFC 1890)
Definition: formats.h:89
Modified IMA ADPCM audio 16Khz (RFC 1890)
Definition: formats.h:84
DVI audio at 11025 hz (by Joseph Di Pol)
Definition: formats.h:94
Base payload format class.
Definition: formats.h:130
Linear uncompressed dual audio (RFC 1890)
Definition: formats.h:88
static const uint32 defaultRTPClockRate
Definition: formats.h:182
PayloadFormat()
PayloadFormat must not be used but as base class.
Definition: formats.h:156
Audio (RFCs 1890, 3047)
Definition: formats.h:87
ITU-T G.729. CS-ACELP audio.
Definition: formats.h:96
Definition: formats.h:98
ITU-T H.261 video (RFCs 1890, 2032)
Definition: formats.h:107
Modified IMA ADPCM audio 8Khz (RFC 1890)
Definition: formats.h:83
Definition: formats.h:114
MPEG 2 Transport stream (RFCs 1890, 2250)
Definition: formats.h:109
Audio at 8000 hz.
Definition: formats.h:90
Ron Frederick&#39;s nv audio (RFC 1890)
Definition: formats.h:105
ITU-T G.726. ADPCM audio (RFC 1890)
Definition: formats.h:80
MPEG Video elem. stream (RFCs 1890, 2250)
Definition: formats.h:108
Sun&#39;s propietary video (RFCs 1890, 2029)
Definition: formats.h:102
StaticPayloadType
RTP static payload types (default bindings) defined in the AVP profile.
Definition: formats.h:74
ITU-T G.711 A-law audio 8 Khz (RFC 1890)
Definition: formats.h:86
uint8 PayloadType
RTP payload type numeric identifier.
Definition: formats.h:63