<p>In the end, I made it work just as posted above, by installing the Haali Media Splitter. I have seen posts by people who say that this software is needed to process MP4 files.</p>

CC BY-SA 3.0
2016-07-04T01:09:19.730Z
2016-07-04T01:09:19.730Z
rfm
<p>You'll have to use another source filter, such as <a href="http://avisynth.nl/index.php/FFmpegSource" rel="nofollow">FFMS2</a> or <a href="http://avisynth.nl/index.php/LSMASHSource" rel="nofollow">LSMASHSource</a></p>

CC BY-SA 3.0
2016-07-03T07:29:20.693Z
2016-07-03T07:29:20.693Z
Gyan
<p>(Total beginner) Trying to process an MP4 file using an AviSynth script, as follows:
    DirectShowSource(inputFile, fps=25, convertfps=true, logfile=logFile)</p>

<p>Error message: "DirectShowSource: couldn't open file SomeFile.mp4. Cannot play back the file. The format is not supported."</p>

<p>The file is valid, i.e. it can be played in a video player.</p>

<p>Using Windows 10 64-bit, and AviSynth 2.60</p>

<p>How can I process this file using AviSynth?</p>

<mp4><windows>
AviSynth mp4 Not Supported
rfm
# AviSynth mp4 Not Supported

(Asked by: username_0 on 2016-07-02)

(Total beginner) Trying to process an MP4 file using an AviSynth script, as follows:
DirectShowSource(inputFile, fps=25, convertfps=true, logfile=logFile)

Error message: "DirectShowSource: couldn't open file SomeFile.mp4. Cannot play back the file. The format is not supported."

The file is valid, i.e. it can be played in a video player.

Using Windows 10 64-bit, and AviSynth 2.60

How can I process this file using AviSynth?

**Tags:** mp4, windows


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## 2 answers

### Answer by username_0 on 2016-07-04. Score: 1

In the end, I made it work just as posted above, by installing the Haali Media Splitter. I have seen posts by people who say that this software is needed to process MP4 files.


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### Answer by username_1 on 2016-07-03. Score: 0

You'll have to use another source filter, such as [FFMS2](http://avisynth.nl/index.php/FFmpegSource) or [LSMASHSource](http://avisynth.nl/index.php/LSMASHSource)


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