plotJitterEstimate.m File Reference

Functions
function	plotJitterEstimate (filename) [timestamps
%	figure (2)
	subfigure (3, 2, 1)
	plot (x, slopes(x, 1).*(framestats(x, 1) - framestats(x, 2))+3 *sqrt(randJitters(x, 2)), 'b')
	title ('Estimate ms')
	plot (x, filtjitter, 'r')
	plot (x, slopes(x, 1).*(framestats(x, 1) - framestats(x, 2)), 'g')
	subfigure (3, 2, 2)
%	subplot (211)
	plot (x, slopes(x, 1))
	title ('Line slope')
%	subplot (212)
%	plot (x, slopes(x, 2))
	title ('Line offset')
	subfigure (3, 2, 3)
	plot (x, framestats)
	plot (x, framedata(x, 1))
	title ('frame size and average frame size')
	subfigure (3, 2, 4)
	plot (x, framedata(x, 2))
	title ('Delay')
	subfigure (3, 2, 5)
	plot (x, randJitters(x, 1), 'r')
	plot (x, randJitters(x, 2))
	title ('Random jitter')
	subfigure (3, 2, 6)
	plot (dL, delays, '.')
	plot (s, slopes(end, 1) *s+slopes(end, 2), 'g')
	plot (s, slopes(end, 1) *s+slopes(end, 2)+3 *sqrt(randJitters(end, 2)), 'r')
	plot (s, slopes(end, 1) *s+slopes(end, 2) - 3 *sqrt(randJitters(end, 2)), 'r')
	title ('theta(1) *x+theta(2),(dT-dTS)/dL')
if	sum (size(rttStatsVec)) > 0 figure
	plot (rttSamples, 'ko-')
	plot (rttAvgs, 'g')
	plot (rttAvgs+rttNstdDevsDrift *rttStdDevs, 'b--')
	plot (rttAvgs+rttNstdDevsJump *rttStdDevs, 'b')
	plot (rttAvgs - rttNstdDevsJump *rttStdDevs, 'b')
	plot (rttMax, 'r')
%	plot (driftRestarts *max(maxRtts), '.')
%	plot (jumpRestarts *max(maxRtts), '.')

Variables
function	framedata
function	slopes
function	randJitters
function	framestats
function	timetable
function	filtjitter
function	rtt
function	rttStatsVec = jitterBufferTraceParser(filename)
	x = 1:size(framestats, 1)
hold	on
	delays = framedata(:,2)
	dL = [0
	s = [min(dL) max(dL)]
	rttNstdDevsDrift = 3.5
	rttNstdDevsJump = 2.5
	rttSamples = rttStatsVec(:, 1)
	rttAvgs = rttStatsVec(:, 2)
	rttStdDevs = sqrt(rttStatsVec(:, 3))
	rttMax = rttStatsVec(:, 4)

Function Documentation

figure()

% figure

(

2

)

plot() [1/22]

plot	(	x	,
		slopes(x, 1).*(framestats(x, 1) - framestats(x, 2))+3 *sqrt(randJitters(x, 2))	,
		'b'
	)

plot() [2/22]

plot	(	x	,
		filtjitter	,
		'r'
	)

plot() [3/22]

plot	(	x	,
		slopes(x, 1).*(framestats(x, 1) - framestats(x, 2))	,
		'g'
	)

plot() [4/22]

plot	(	x	,
		slopes(x, 1)
	)

plot() [5/22]

% plot	(	x	,
		slopes(x, 2)
	)

plot() [6/22]

plot	(	x	,
		framestats
	)

plot() [7/22]

plot	(	x	,
		framedata(x, 1)
	)

plot() [8/22]

plot	(	x	,
		framedata(x, 2)
	)

plot() [9/22]

plot	(	x	,
		randJitters(x, 1)	,
		'r'
	)

plot() [10/22]

plot	(	x	,
		randJitters(x, 2)
	)

plot() [11/22]

plot	(	dL	,
		delays	,
		'.'
	)

plot() [12/22]

plot	(	s	,
		slopes(end, 1) *s+slopes(end, 2)	,
		'g'
	)

plot() [13/22]

plot	(	s	,
		slopes(end, 1) *s+slopes(end, 2)+3 *sqrt(randJitters(end, 2))	,
		'r'
	)

plot() [14/22]

plot	(	s	,
		slopes(end, 1) *s+slopes(end, 2) - 3 *sqrt(randJitters(end, 2))	,
		'r'
	)

plot() [15/22]

plot	(	rttSamples	,
		'ko-'
	)

plot() [16/22]

plot	(	rttAvgs	,
		'g'
	)

plot() [17/22]

plot	(	rttAvgs+rttNstdDevsDrift *	rttStdDevs,
		'b--'
	)

plot() [18/22]

plot	(	rttAvgs+rttNstdDevsJump *	rttStdDevs,
		'b'
	)

plot() [19/22]

plot	(	rttAvgs - rttNstdDevsJump *	rttStdDevs,
		'b'
	)

plot() [20/22]

plot	(	rttMax	,
		'r'
	)

plot() [21/22]

% plot	(	driftRestarts *	maxmaxRtts,
		'.'
	)

plot() [22/22]

% plot	(	jumpRestarts *	maxmaxRtts,
		'.'
	)

plotJitterEstimate()

function plotJitterEstimate

(

filename

)

subfigure() [1/6]

subfigure	(	3	,
		2	,
		1
	)

subfigure() [2/6]

subfigure	(	3	,
		2	,
		2
	)

subfigure() [3/6]

subfigure	(	3	,
		2	,
		3
	)

subfigure() [4/6]

subfigure	(	3	,
		2	,
		4
	)

subfigure() [5/6]

subfigure	(	3	,
		2	,
		5
	)

subfigure() [6/6]

subfigure	(	3	,
		2	,
		6
	)

subplot() [1/2]

% subplot

(

211

)

subplot() [2/2]

% subplot

(

212

)

sum()

if sum

(

size(rttStatsVec)

)

title() [1/7]

title

(

'Estimate ms'

)

title() [2/7]

title

(

'Line slope'

)

title() [3/7]

title

(

'Line offset'

)

title() [4/7]

title

(

'frame size and average frame size'

)

title() [5/7]

title

(

'Delay'

)

title() [6/7]

title

(

'Random jitter'

)

title() [7/7]

title	(	'	theta1) *x+theta(2,
		(dT-dTS)/dL'
	)

Variable Documentation

delays

delays = framedata(:,2)

dL

dL = [0

filtjitter

function filtjitter

framedata

framedata

framestats

function framestats

on

hold on

randJitters

function randJitters

rtt

function rtt

rttAvgs

rttAvgs = rttStatsVec(:, 2)

rttMax

rttMax = rttStatsVec(:, 4)

rttNstdDevsDrift

rttNstdDevsDrift = 3.5

rttNstdDevsJump

rttNstdDevsJump = 2.5

rttSamples

rttSamples = rttStatsVec(:, 1)

rttStatsVec

function rttStatsVec = jitterBufferTraceParser(filename)

rttStdDevs

rttStdDevs = sqrt(rttStatsVec(:, 3))

s

s = [min(dL) max(dL)]

slopes

function slopes

timetable

function timetable

x

x = 1:size(framestats, 1)