Great!

Yes, sure I do.

Is that possible convert to jpegs and bmps?

Let me see if i get the whole picture, I have an video.avi, I use magik to convert all the frames in gifs (or jpegs, if possible), and then I use Mathematica to filter the converted frames, etc...

As you probably know the Run command can be used to direct things (run external programs) from within Mathematica.

If your main objective is to do the analysis in Mathematica, then you might consider using another program to get the individual frames and then import into Mathematica for the analysis. One such program is ImageMagick (which runs on multiple platforms) and the command line to convert the avi to a gif (from which Mathematica can import into individual frames) is something like the following at a DOS prompt (well, for Windows, that is):

convert -quiet M20141102_053738_PET_1.avi PET.gif

I was able to import your original .avi file and obtain 126 frames with the "object" showing up in frames 27 through 34. I found the ImageMagick command at

Convert avi to gif

The resulting gif with just frames 27 through 34 is attached.

Attachments:

Hi Bruce, Any news form the developers?

salute,

Pieter, Bruce,

I did the same as Pieter:

In[8]:= Internal`$VideoEncodings

Out[8]= {"Animação", "BMP", "Cinepak", "DVCPRO - PAL", "DV/DVCPRO - \
NTSC", "DV - PAL", "Elementos Gráficos", "Foto - JPEG", "H.261", \
"H.263", "JPEG 2000", "Motion JPEG A", "Motion JPEG B", "MPEG-4 \
Video", "Nenhum", "Planar RGB", "PNG", "Sorenson Video", "TGA", \
"TIFF", "Uncompressed", "Vídeo", "Vídeo Componente"}

Also there is no YUV, that UfoCapture encodes. And I have quicktime installed. The images are very black,with tiny scintillations points - stars. If is correct thatPieter says aboute third parties, how can we make math recognize YUV ?

Bruce have you tried seeing the movie with media player?

I uploaded more AVIS and JPEGS images to help our quest:

https://dl.dropboxusercontent.com/u/37906119/M20141104_224225_PET_1.avi https://dl.dropboxusercontent.com/u/37906119/M20141104_234358_PET_1.avi https://dl.dropboxusercontent.com/u/37906119/M20141104_234358_PET_1P.jpg

Bruce, Marcelo, The following code takes 9 frames of an AVI file and then exports it to a .mov file. Works fine with all my own AVI examples. It does not work with the 90mb YUV coded file. btw, the file plays fine on windows player but does not play on quicktime. Not the same YUV codec?? The video is quite black but when full screen on a 30inch monitor there is something very briefly flying from right to left. I checked also with M9 and YUV was already supported there but I can not make it work. No idea how to check if Mathematica sees the codec.

tst = Import["psintrowalk.avi", {"Frames", Range[9]}]; Export["psintrowalk.mov", tst, "Quicktime", "FrameRate" -> 2]

extra note: If I use the Import["myvideo,avi", {"Frames", {2,8}]] option as mentioned by Bruce the frame numbers are returned as pictures (with my own testfiles)

This does not happen with the 90mb video of Marcelo. It returns only white pictures for list elements (while the content is mostly black) The encoding of Marcelo's file is YUV mathematica reports.

Pieter,

I Think you gave a very good clue

hi Bruce,

Nothing comes even trying one or two frames. And the video runs nicely in mediaplayer. The video plays on Smplayer - Opensuse distro, also. It is very dark, as it is a video from dark sky video camera, capturing a very fast event ( probably a meteor, I do not know yet), that I intend to filter the frames using Math. But first I need see the each frames... The program that capture the video is called UFOCAPTURE: http://sonotaco.com/soft/e_index.html. And I am developing some methods to study meteors, using mathematica.

Is there another way to upload the video here? it has 87,2 mb.

I read this from the capture software:

" Video format setting

UFOCaptureV2 supports input video formats below. You can use some of which that the driver program of your capture hardware supports.
    resolution: 320x240 to 1920x1280
    frame rate: 10.0 fps to 60.0 fps
    internal input video encoding: UYUV, YUY2, I420, IYUV, YV12, DVSD 
UFOCaptureV2 can resize video images so that the pixel to be square.
    ex. input 720x480, 4:3 not true square pixel -> 640x480 4:3 true square pixel.
    This function requires high CPU performance, it is not recommended when CPU does not have enough power. 
Codecs
    non-compressed AVI (recommend for scientific observation )
    highly-compressed WMV
    other AVI codecs which are install to your PC. ( no assurance ) 
Audio "