OPAL
Version 3.10.4
|
#include <mediastrm.h>
Public Member Functions | |
Overrides of OpalMediaStream class | |
virtual PBoolean | ReadData (BYTE *data, PINDEX size, PINDEX &length) |
virtual PBoolean | WriteData (const BYTE *data, PINDEX length, PINDEX &written) |
PChannel * | GetChannel () |
bool | SetChannel (PChannel *channel, bool autoDelete=true) |
virtual PBoolean | Close () |
virtual unsigned | GetAverageSignalLevel () |
![]() | |
void | PrintOn (ostream &strm) const |
virtual OpalMediaFormat | GetMediaFormat () const |
bool | UpdateMediaFormat (const OpalMediaFormat &mediaFormat) |
virtual bool | InternalUpdateMediaFormat (const OpalMediaFormat &mediaFormat) |
virtual PBoolean | ExecuteCommand (const OpalMediaCommand &command) |
virtual PBoolean | Open () |
virtual PBoolean | Start () |
virtual void | OnStartMediaPatch () |
virtual void | OnStopMediaPatch (OpalMediaPatch &patch) |
virtual PBoolean | WritePackets (RTP_DataFrameList &packets) |
virtual PBoolean | ReadPacket (RTP_DataFrame &packet) |
virtual PBoolean | WritePacket (RTP_DataFrame &packet) |
bool | PushPacket (RTP_DataFrame &packet) |
virtual PBoolean | SetDataSize (PINDEX dataSize, PINDEX frameTime) |
PINDEX | GetDataSize () const |
virtual PBoolean | IsSynchronous () const =0 |
virtual PBoolean | RequiresPatchThread (OpalMediaStream *stream) const |
virtual PBoolean | RequiresPatchThread () const |
virtual bool | EnableJitterBuffer (bool enab=true) const |
OpalConnection & | GetConnection () const |
bool | IsSource () const |
bool | IsSink () const |
unsigned | GetSessionID () const |
void | SetSessionID (unsigned id) |
PString | GetID () const |
unsigned | GetTimestamp () const |
void | SetTimestamp (unsigned ts) |
bool | GetMarker () const |
void | SetMarker (bool m) |
bool | IsPaused () const |
virtual bool | SetPaused (bool pause, bool fromPatch=false) |
bool | IsOpen () const |
virtual PBoolean | SetPatch (OpalMediaPatch *patch) |
OpalMediaPatch * | GetPatch () const |
void | AddFilter (const PNotifier &filter, const OpalMediaFormat &stage=OpalMediaFormat()) const |
bool | RemoveFilter (const PNotifier &filter, const OpalMediaFormat &stage=OpalMediaFormat()) const |
virtual void | GetStatistics (OpalMediaStatistics &statistics, bool fromPatch=false) const |
~OpalMediaStream () |
Protected Member Functions | |
void | CollectAverage (const BYTE *buffer, PINDEX size) |
Construction | |
OpalRawMediaStream (OpalConnection &conn, const OpalMediaFormat &mediaFormat, unsigned sessionID, bool isSource, PChannel *channel, bool autoDelete) | |
~OpalRawMediaStream () | |
![]() | |
void | IncrementTimestamp (PINDEX size) |
bool | InternalWriteData (const BYTE *data, PINDEX length, PINDEX &written) |
OpalMediaStream (OpalConnection &conn, const OpalMediaFormat &mediaFormat, unsigned sessionID, bool isSource) |
Protected Attributes | |
PChannel * | m_channel |
bool | m_autoDelete |
PMutex | m_channelMutex |
PBYTEArray | m_silence |
PUInt64 | m_averageSignalSum |
unsigned | m_averageSignalSamples |
PMutex | m_averagingMutex |
![]() | |
OpalConnection & | connection |
unsigned | sessionID |
PString | identifier |
OpalMediaFormat | mediaFormat |
bool | m_paused |
bool | isSource |
bool | isOpen |
PINDEX | defaultDataSize |
unsigned | timestamp |
bool | marker |
unsigned | mismatchedPayloadTypes |
OpalMediaPatch * | mediaPatch |
RTP_DataFrame::PayloadTypes | m_payloadType |
unsigned | m_frameTime |
PINDEX | m_frameSize |
This class describes a media stream that transfers PCM-16 data to/from a PChannel.
|
protected |
Construct a new media stream for channel.
conn | Connection that owns the stream |
mediaFormat | Media format for stream |
sessionID | Session number for stream |
isSource | Is a source stream |
channel | I/O channel to stream to/from |
autoDelete | Automatically delete channel |
|
protected |
Delete attached channel if autoDelete enabled.
|
virtual |
Close the media stream.
Closes the associated PChannel.
Reimplemented from OpalMediaStream.
Reimplemented in OpalIVRMediaStream.
|
protected |
|
virtual |
Get average signal level in last frame.
|
inline |
Return the associated PChannel
References m_channel.
|
virtual |
Read raw media data from the source media stream. The default behaviour reads from the PChannel object.
data | Data buffer to read to |
size | Size of buffer |
length | Length of data actually read |
Reimplemented from OpalMediaStream.
Reimplemented in OpalFileMediaStream.
bool OpalRawMediaStream::SetChannel | ( | PChannel * | channel, |
bool | autoDelete = true |
||
) |
Set a new channel for raw PCM stream.
channel | New channel |
autoDelete | Auto delete channel on exit or replacement |
|
virtual |
Write raw media data to the sink media stream. The default behaviour writes to the PChannel object.
data | Data to write |
length | Length of data to read. |
written | Length of data actually written |
Reimplemented from OpalMediaStream.
Reimplemented in OpalFileMediaStream.
|
protected |
|
protected |
|
protected |
|
protected |
|
protected |
Referenced by GetChannel().
|
protected |
|
protected |