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use network base frame size in protocol instead of acutal network packet size

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This commit is contained in:
Volker Fischer 2009-08-15 15:14:47 +00:00
parent e354d985bc
commit 1a42d2bf0e
3 changed files with 1673 additions and 1674 deletions
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5
src/channel.cpp
View file

@ -284,8 +284,7 @@ void CChannel::OnNetTranspPropsReceived ( CNetworkTransportProps NetworkTranspor
// store received parameters
iNetwFrameSizeFact = NetworkTransportProps.iBlockSizeFact;
iNetwFrameSize =
NetworkTransportProps.iNetworkPacketSize /
NetworkTransportProps.iBlockSizeFact;
NetworkTransportProps.iBaseNetworkPacketSize;
// update socket buffer (the network block size is a multiple of the
// minimum network frame size
@ -304,7 +303,7 @@ void CChannel::OnReqNetTranspProps()
void CChannel::CreateNetTranspPropsMessFromCurrentSettings()
{
CNetworkTransportProps NetworkTransportProps (
iNetwFrameSize * iNetwFrameSizeFact,
iNetwFrameSize,
iNetwFrameSizeFact,
1, // right now we only use mono
SYSTEM_SAMPLE_RATE,

20
src/protocol.cpp
View file

@ -117,9 +117,9 @@ MESSAGES
- Properties for network transport: PROTMESSID_NETW_TRANSPORT_PROPS
+-------------------+-------------------------+-----------------+ ...
| 4 bytes netw size | 2 bytes block size fact | 1 byte num chan | ...
+-------------------+-------------------------+-----------------+ ...
+------------------------+-------------------------+-----------------+ ...
| 4 bytes base netw size | 2 bytes block size fact | 1 byte num chan | ...
+------------------------+-------------------------+-----------------+ ...
... ------------------+-----------------------+ ...
... 4 bytes sam rate | 2 bytes audiocod type | ...
... ------------------+-----------------------+ ...
@ -127,7 +127,7 @@ MESSAGES
... 2 bytes version | 4 bytes audiocod arg |
... -----------------+----------------------+
- "netw size": length of the network packet in bytes
- "base netw size": length of the base network packet (frame) in bytes
- "block size fact": block size factor
- "num chan": number of channels of the audio signal, e.g. "2" is stereo
- "sam rate": sample rate of the audio stream
@ -827,9 +827,9 @@ void CProtocol::CreateNetwTranspPropsMes ( const CNetworkTransportProps& NetTrPr
// build data vector
CVector<uint8_t> vecData ( iEntrLen );
// length of the network packet in bytes (4 bytes)
// length of the base network packet (frame) in bytes (4 bytes)
PutValOnStream ( vecData, iPos,
static_cast<uint32_t> ( NetTrProps.iNetworkPacketSize ), 4 );
static_cast<uint32_t> ( NetTrProps.iBaseNetworkPacketSize ), 4 );
// block size factor (2 bytes)
PutValOnStream ( vecData, iPos,
@ -874,12 +874,12 @@ bool CProtocol::EvaluateNetwTranspPropsMes ( const CVector<uint8_t>& vecData )
return true;
}
// length of the network packet in bytes (4 bytes)
ReceivedNetwTranspProps.iNetworkPacketSize =
// length of the base network packet (frame) in bytes (4 bytes)
ReceivedNetwTranspProps.iBaseNetworkPacketSize =
static_cast<uint32_t> ( GetValFromStream ( vecData, iPos, 4 ) );
if ( ( ReceivedNetwTranspProps.iNetworkPacketSize < 1 ) ||
( ReceivedNetwTranspProps.iNetworkPacketSize > MAX_SIZE_BYTES_NETW_BUF ) )
if ( ( ReceivedNetwTranspProps.iBaseNetworkPacketSize < 1 ) ||
( ReceivedNetwTranspProps.iBaseNetworkPacketSize > MAX_SIZE_BYTES_NETW_BUF ) )
{
return true;
}

8
src/util.h
View file

@ -447,21 +447,21 @@ class CNetworkTransportProps
{
public:
CNetworkTransportProps() :
iNetworkPacketSize ( 0 ),
iBaseNetworkPacketSize ( 0 ),
iBlockSizeFact ( 0 ),
iNumAudioChannels ( 0 ),
iSampleRate ( 0 ),
eAudioCodingType ( CT_NONE ),
iAudioCodingArg ( 0 ) {}
CNetworkTransportProps ( const uint32_t iNNPS,
CNetworkTransportProps ( const uint32_t iNBNPS,
const uint16_t iNBSF,
const uint32_t iNNACH,
const uint32_t iNSR,
const EAudComprType eNACT,
const uint32_t iNVers,
const int32_t iNACA ) :
iNetworkPacketSize ( iNNPS ),
iBaseNetworkPacketSize ( iNBNPS ),
iBlockSizeFact ( iNBSF ),
iNumAudioChannels ( iNNACH ),
iSampleRate ( iNSR ),
@ -469,7 +469,7 @@ public:
iVersion ( iNVers ),
iAudioCodingArg ( iNACA ) {}
uint32_t iNetworkPacketSize;
uint32_t iBaseNetworkPacketSize;
uint16_t iBlockSizeFact;
uint32_t iNumAudioChannels;
uint32_t iSampleRate;