inet::VoIPStreamReceiver::Connection Class Reference

#include <VoIPStreamReceiver.h>

Public Member Functions
	Connection ()
void	addAudioStream (enum AVCodecID codec_id)
void	openAudio (const char *fileName)
void	writeAudioFrame (uint8_t *buf, int len)
void	writeLostSamples (int sampleCount)
void	closeAudio ()

Public Attributes
bool	offline = true
uint16_t	seqNo = 0
uint32_t	timeStamp = 0
uint32_t	ssrc = 0
enum AVCodecID	codec = AV_CODEC_ID_NONE
short	sampleBits = 0
int	sampleRate = 0
int	samplesPerPacket = 0
int	transmitBitrate = 0
simtime_t	lastPacketFinish
AVFormatContext *	oc = nullptr
AVOutputFormat *	fmt = nullptr
AVStream *	audio_st = nullptr
AVCodecContext *	decCtx = nullptr
AVCodec *	pCodecDec = nullptr
AudioOutFile	outFile
L3Address	srcAddr
int	srcPort = -1
L3Address	destAddr
int	destPort = -1

Constructor & Destructor Documentation

inet::VoIPStreamReceiver::Connection::Connection ( )

inline

{}

Member Function Documentation

void inet::VoIPStreamReceiver::Connection::addAudioStream

(

enum AVCodecID

codec_id

)

void inet::VoIPStreamReceiver::Connection::closeAudio

(

)

{
    outFile.close();
}

void inet::VoIPStreamReceiver::Connection::openAudio

(

const char *

fileName

)

Referenced by inet::VoIPStreamReceiver::createConnection().

{
    outFile.open(fileName, sampleRate, 8 * av_get_bytes_per_sample(decCtx->sample_fmt));
}

void inet::VoIPStreamReceiver::Connection::writeAudioFrame	(	uint8_t *	buf,
		int	len
	)

Referenced by inet::VoIPStreamReceiver::decodePacket().

{
    AVPacket avpkt;
    av_init_packet(&avpkt);
    avpkt.data = inbuf;
    avpkt.size = inbytes;

    int gotFrame;
    AVFrame decodedFrame = {
        { nullptr }
    };
    int consumedBytes = avcodec_decode_audio4(decCtx, &decodedFrame, &gotFrame, &avpkt);
    if (consumedBytes < 0 || !gotFrame)
        throw cRuntimeError("Error in avcodec_decode_audio4(): returns: %d, gotFrame: %d", consumedBytes, gotFrame);
    if (consumedBytes != inbytes)
        throw cRuntimeError("Model error: remained bytes after avcodec_decode_audio4(): %d = ( %d - %d )", inbytes - consumedBytes, inbytes, consumedBytes);
    simtime_t decodedTime(1.0 * decodedFrame.nb_samples / sampleRate);
    lastPacketFinish += decodedTime;
    if (outFile.isOpen())
        outFile.write(decodedFrame.data[0], decodedFrame.linesize[0]);
}

void inet::VoIPStreamReceiver::Connection::writeLostSamples

(

int

sampleCount

)

Referenced by inet::VoIPStreamReceiver::decodePacket().

{
    int pktBytes = sampleCount * av_get_bytes_per_sample(decCtx->sample_fmt);
    if (outFile.isOpen()) {
        uint8_t decBuf[pktBytes];
        memset(decBuf, 0, pktBytes);
        outFile.write(decBuf, pktBytes);
    }
}

Member Data Documentation

AVStream* inet::VoIPStreamReceiver::Connection::audio_st = nullptr

enum AVCodecID inet::VoIPStreamReceiver::Connection::codec = AV_CODEC_ID_NONE

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

AVCodecContext* inet::VoIPStreamReceiver::Connection::decCtx = nullptr

Referenced by inet::VoIPStreamReceiver::closeConnection(), and inet::VoIPStreamReceiver::createConnection().

L3Address inet::VoIPStreamReceiver::Connection::destAddr

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

int inet::VoIPStreamReceiver::Connection::destPort = -1

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

AVOutputFormat* inet::VoIPStreamReceiver::Connection::fmt = nullptr

simtime_t inet::VoIPStreamReceiver::Connection::lastPacketFinish

Referenced by inet::VoIPStreamReceiver::createConnection(), and inet::VoIPStreamReceiver::decodePacket().

AVFormatContext* inet::VoIPStreamReceiver::Connection::oc = nullptr

bool inet::VoIPStreamReceiver::Connection::offline = true

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), inet::VoIPStreamReceiver::closeConnection(), inet::VoIPStreamReceiver::createConnection(), and inet::VoIPStreamReceiver::handleMessage().

AudioOutFile inet::VoIPStreamReceiver::Connection::outFile

Referenced by inet::VoIPStreamReceiver::closeConnection().

AVCodec* inet::VoIPStreamReceiver::Connection::pCodecDec = nullptr

Referenced by inet::VoIPStreamReceiver::createConnection().

short inet::VoIPStreamReceiver::Connection::sampleBits = 0

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

int inet::VoIPStreamReceiver::Connection::sampleRate = 0

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), inet::VoIPStreamReceiver::createConnection(), and inet::VoIPStreamReceiver::decodePacket().

int inet::VoIPStreamReceiver::Connection::samplesPerPacket = 0

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

uint16_t inet::VoIPStreamReceiver::Connection::seqNo = 0

Referenced by inet::VoIPStreamReceiver::createConnection(), inet::VoIPStreamReceiver::decodePacket(), and inet::VoIPStreamReceiver::handleMessage().

L3Address inet::VoIPStreamReceiver::Connection::srcAddr

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

int inet::VoIPStreamReceiver::Connection::srcPort = -1

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

uint32_t inet::VoIPStreamReceiver::Connection::ssrc = 0

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

uint32_t inet::VoIPStreamReceiver::Connection::timeStamp = 0

Referenced by inet::VoIPStreamReceiver::createConnection(), and inet::VoIPStreamReceiver::handleMessage().

int inet::VoIPStreamReceiver::Connection::transmitBitrate = 0

Referenced by inet::VoIPStreamReceiver::checkSourceAndParameters(), and inet::VoIPStreamReceiver::createConnection().

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The documentation for this class was generated from the following files:

• VoIPStreamReceiver.h
• VoIPStreamReceiver.cc