AW: MP4 files wit AAC

[Thornton, Keith]

I know that I can play MP4 files on Windows 7 when I install LAV filters but my customer requires that my files should be playable on a windows out of the box.
If I use ffmpeg to transcode them from mp4/h264/aac to mp4/h264/aac the files are then playable so what I need to know is what is ffmpeg doing that the avenc_aac is not doing.


Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Peter Maersk-Moller
Gesendet: Mittwoch, 14. September 2016 16:29
An: Discussion of the development of and with GStreamer <gstreamer-devel at lists.freedesktop.org>
Betreff: Re: MP4 files wit AAC

According to Microsoft support, then it says.

"Windows Media Player does not support the playback of the .mp4 file format. You can play back .mp4 media files in Windows Media Player when you install DirectShow-compatible MPEG-4 decoder packs. DirectShow-compatible MPEG-4 decoder packs include the Ligos LSX-MPEG Player and the EnvivioTV."
See https://support.microsoft.com/en-us/kb/316992
The page states WMP12 supports mp4 and further down they write it doesn't.

On Wed, Sep 14, 2016 at 4:00 PM, Thornton, Keith <keith.thornton at zeiss.com<mailto:keith.thornton at zeiss.com>> wrote:
Hi,
my recording pipeline produces MP4 files with H264 video and AAC audio (using avenc_aac). These can be played using my player pipeline, with VLC and with Media Player Classic
but not with Windows Media Player 12. Does anyone have an explanation or even a solution
I am currently using GStreamer 1.8.2 on Windows 7/x64
Grüße

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