diff --git a/tools/matlab/rtpAnalyze.m b/tools/matlab/rtpAnalyze.m
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+++ b/tools/matlab/rtpAnalyze.m
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+function rtpAnalyze( input_file )
+%RTP_ANALYZE Analyze RTP stream(s) from a txt file
+%   The function takes the output from the command line tool rtp_analyze
+%   and analyzes the stream(s) therein. First, process your rtpdump file
+%   through rtp_analyze (from command line):
+%   $ out/Debug/rtp_analyze my_file.rtp my_file.txt
+%   Then load it with this function (in Matlab):
+%   >> rtpAnalyze('my_file.txt')
+
+% Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
+%
+% Use of this source code is governed by a BSD-style license
+% that can be found in the LICENSE file in the root of the source
+% tree. An additional intellectual property rights grant can be found
+% in the file PATENTS.  All contributing project authors may
+% be found in the AUTHORS file in the root of the source tree.
+
+
+
+[SeqNo,TimeStamp,ArrTime,Size,PT,M,SSRC] = importfile(input_file);
+
+%% Find streams
+[uSSRC, ~, uix] = unique(SSRC);
+
+if length(uSSRC) > 1
+    for i=1:length(uSSRC)
+        uPT = unique(PT(uix == i));
+        fprintf('%i: %s (%d packets, pt: %i', i, uSSRC{i}, ...
+            length(find(uix==i)), uPT(1));
+        if length(uPT) > 1
+            fprintf(', %i', uPT(2:end));
+        end
+        fprintf(')\n');
+    end
+    sel = input('Select stream number: ');
+    if sel < 1 || sel > length(uSSRC)
+        error('Out of range');
+    end
+    ix = find(uix==sel);
+    SeqNo = SeqNo(ix);
+    TimeStamp = TimeStamp(ix);
+    ArrTime = ArrTime(ix);
+    Size = Size(ix);
+    PT = PT(ix);
+    M = M(ix);
+    SSRC = SSRC(ix);
+end
+
+%% Unwrap SeqNo and TimeStamp
+SeqNoUW = maxUnwrap(SeqNo, 65535);
+TimeStampUW = maxUnwrap(TimeStamp, 4294967295);
+
+%% Generate some stats for the stream
+fprintf('Statistics:\n');
+fprintf('SSRC: %s\n', SSRC{1});
+uPT = unique(PT);
+if length(uPT) > 1
+    warning('This tool cannot yet handle changes in codec sample rate');
+end
+fprintf('Payload type(s): %i', uPT(1));
+if length(uPT) > 1
+    fprintf(', %i', uPT(2:end));
+end
+fprintf('\n');
+fprintf('Packets: %i\n', length(SeqNo));
+fprintf('Missing sequence numbers: %i\n', ...
+    length(find(diff(sort(SeqNoUW)) > 1)));
+fprintf('Reordered packets: %i\n', length(find(diff(sort(SeqNoUW)) < 1)));
+tsdiff = diff(TimeStampUW);
+tsdiff = tsdiff(diff(SeqNoUW) == 1);
+[utsdiff, ~, ixtsdiff] = unique(tsdiff);
+fprintf('Common packet sizes:\n');
+for i = 1:length(utsdiff)
+    fprintf('  %i samples (%i%%)\n', ...
+        utsdiff(i), ...
+        round(100 * length(find(ixtsdiff==i))/length(ixtsdiff)));
+end
+
+%% Trying to figure out sample rate
+fs_est = (TimeStampUW(end) - TimeStampUW(1)) / (ArrTime(end) - ArrTime(1));
+fs_vec = [8, 16, 32, 48];
+fs = 0;
+for f = fs_vec
+    if abs((fs_est-f)/f) < 0.05  % 5% margin
+        fs = f;
+        break;
+    end
+end
+if fs == 0
+    fprintf('Cannot determine sample rate. I get it to %.2f kHz\n', ...
+        fs_est);
+    fs = input('Please, input a sample rate (in kHz): ');
+else
+    fprintf('Sample rate estimated to %i kHz\n', fs);
+end
+
+SendTimeMs = (TimeStampUW - TimeStampUW(1)) / fs;
+
+fprintf('Stream duration at sender: %.1f seconds\n', ...
+    (SendTimeMs(end) - SendTimeMs(1)) / 1000);
+
+fprintf('Stream duration at receiver: %.1f seconds\n', ...
+    (ArrTime(end) - ArrTime(1)) / 1000);
+
+fprintf('Clock drift: %.2f%%\n', ...
+    100 * ((ArrTime(end) - ArrTime(1)) / ...
+    (SendTimeMs(end) - SendTimeMs(1)) - 1));
+
+fprintf('Sent average bitrate: %i kbps\n', ...
+    round(sum(Size) * 8 / (SendTimeMs(end)-SendTimeMs(1))));
+fprintf('Received average bitrate: %i kbps\n', ...
+    round(sum(Size) * 8 / (ArrTime(end)-ArrTime(1))));
+
+%% Plots
+delay = ArrTime - SendTimeMs;
+delay = delay - min(delay);
+figure
+plot(SendTimeMs / 1000, delay);
+xlabel('Send time [s]');
+ylabel('Relative transport delay [ms]');
+title(sprintf('SSRC: %s', SSRC{1}));
+
+SendBitrateKbps = 8 * Size(1:end-1) ./ diff(SendTimeMs);
+figure
+plot(SendTimeMs(1:end-1)/1000, SendBitrateKbps);
+xlabel('Send time [s]');
+ylabel('Send bitrate [kbps]');
+end
+
+function [SeqNo,TimeStamp,SendTime,Size,PT,M,SSRC] = ...
+    importfile(filename, startRow, endRow)
+%IMPORTFILE Import numeric data from a text file as column vectors.
+%   [SEQNO,TIMESTAMP,SENDTIME,SIZE,PT,M,SSRC] = IMPORTFILE(FILENAME) Reads
+%   data from text file FILENAME for the default selection.
+%
+%   [SEQNO,TIMESTAMP,SENDTIME,SIZE,PT,M,SSRC] = IMPORTFILE(FILENAME,
+%   STARTROW, ENDROW) Reads data from rows STARTROW through ENDROW of text
+%   file FILENAME.
+%
+% Example:
+%   [SeqNo,TimeStamp,SendTime,Size,PT,M,SSRC] =
+%   importfile('rtpdump_recv.txt',2, 123);
+%
+%    See also TEXTSCAN.
+
+% Auto-generated by MATLAB on 2015/05/28 09:55:50
+
+%% Initialize variables.
+if nargin<=2
+    startRow = 2;
+    endRow = inf;
+end
+
+%% Format string for each line of text:
+%   column1: double (%f)
+%   column2: double (%f)
+%   column3: double (%f)
+%   column4: double (%f)
+%   column5: double (%f)
+%   column6: double (%f)
+%   column7: text (%s)
+% For more information, see the TEXTSCAN documentation.
+formatSpec = '%5f%11f%11f%6f%6f%3f%s%[^\n\r]';
+
+%% Open the text file.
+fileID = fopen(filename,'r');
+
+%% Read columns of data according to format string.
+% This call is based on the structure of the file used to generate this
+% code. If an error occurs for a different file, try regenerating the code
+% from the Import Tool.
+dataArray = textscan(fileID, formatSpec, endRow(1)-startRow(1)+1, ...
+    'Delimiter', '', 'WhiteSpace', '', 'HeaderLines', startRow(1)-1, ...
+    'ReturnOnError', false);
+for block=2:length(startRow)
+    frewind(fileID);
+    dataArrayBlock = textscan(fileID, formatSpec, ...
+        endRow(block)-startRow(block)+1, 'Delimiter', '', 'WhiteSpace', ...
+        '', 'HeaderLines', startRow(block)-1, 'ReturnOnError', false);
+    for col=1:length(dataArray)
+        dataArray{col} = [dataArray{col};dataArrayBlock{col}];
+    end
+end
+
+%% Close the text file.
+fclose(fileID);
+
+%% Post processing for unimportable data.
+% No unimportable data rules were applied during the import, so no post
+% processing code is included. To generate code which works for
+% unimportable data, select unimportable cells in a file and regenerate the
+% script.
+
+%% Allocate imported array to column variable names
+SeqNo = dataArray{:, 1};
+TimeStamp = dataArray{:, 2};
+SendTime = dataArray{:, 3};
+Size = dataArray{:, 4};
+PT = dataArray{:, 5};
+M = dataArray{:, 6};
+SSRC = dataArray{:, 7};
+end
+