MATLAB Function Reference |
Read an Audio Video Interleaved (AVI) file.
Syntax
mov = aviread(filename)
mov = aviread(filename,index)
Description
mov = aviread(filename)
reads the AVI movie filename
into the MATLAB movie structure mov
. If filename
does not include an extension, then .avi
is used. Use the movie
function to view the movie, mov
. On UNIX, filename
must be an uncompressed AVI file.
mov
has two fields, cdata
and colormap
. The content of these fields varies depending on the type of image. .
Image Type |
mov.cdata Field |
mov.colormap Field |
Truecolor |
||
Indexed |
mov = aviread(filename,index)
reads only the frame(s) specified by index
. index
can be a single index or an array of indices into the video stream. In AVI files, the first frame has the index value 1, the second frame has the index value 2, and so on.
See also
aviinfo | axes |