xmpeg.prj
---------
This IDL project reads a sequence of images and creates an MPEG1 or MPEG2 movie.

Files
-----
xmpeg.pro provides the gui controls.
xmpeg_event.pro provides the event processing
mpg.pro is the main processing file  

Parameters
----------
prefix		string (required)	A string specifying the prefix of the images to read included the path,
					for example "/home/data/images/Image"

suffix		string(required) 	A string specifying the suffix of the images to read, for example "jpg"

n_start		integer(required)	An integer specifying the first image in the sequence

n_end		integer(required)	An integer specifying the last image in the sequence

digits		integer(required)	An integer specifying the number of digits of the number field in the sequence,
					for example image00001.jpg would require digits=5

xsize		integer(optional)	An integer specifying the x size of the image		

ysize		integer(optional)	An integer specifying the y size of the image		

format		integer(optional)	An integer with values  0 for MPEG1 and 1 for MPEG2. Default is MPEG1

frame_rate	integer(optional)	Allowed values are	
					1 = 23.976 frames/sec: NTSC encapsulated film rate
					2 = 24 frames/sec: standard film rate
					3 = 25 frames/sec: PAL video frame rate
					4 = 29.97 frames/sec: NTSC video frame rate
					5 = 30 frames/sec: NTSC drop frame video rate (the default)
					6 = 50 frames/sec: double frame rate/progressive PAL
					7 = 59.94 frames/sec: double frame rate NTSC
					8 = 60 frames/sec: double frame rate NTSC

mpeg_file	string(optional)	A string specifying the output MPEG file (default outfile.mpg)

tmp_dir		string(optional)	A string specifying temporary directory to use for the temporary image files	

USAGE
-----

After unzipping and untaring the files in xmpeg.tar.gz run IDL 

%module load idl
%idlde

Open the Project xmpeg.prj
From the Project menu select Compile -> All Files
run xmpeg in the IDL prompt