The following video codecs are currently NOT SUPPORTED on the device:
·
Theora Video
·
MPEG-4 Video (DX50) => DIVX version 5
·
Any Windows media format in an AFS container (VC1, WMV)
Audio
The following audio codecs have been verified on the device:
·
MPEG Audio layer 1/2/3 (mpga)
·
Vorbis Audio (vorb)
·
Raw wave files in different format (tested: PCM S16 LE (araw), PCM U8 (araw))
Why should VLC be installed?
For using the multimedia player object it is NOT neccessary that VLC is installed on your
PC but it can help in the following topics:
·
Check what codecs are used by specific media file
·
Convert (transcode) a media file to a supported codec
VLC can be downloaded here. It is open source software and can be installed without
charge (please consider a donation :) ).
What is the suggested video and audio codec and how to convert my video?
We suggest to use .mp4 files with "H264 - MPEG-4 AVC (part 10) (avc1)" as video codec
and "MPEG AAC Audio (mp4a)" as audio codec.
To convert to a supported codec, VLC (see above) can be used. Here is a short manual.
What is the difference between the multimedia playback on Windows simulation
and on the device
The frontend for playing back media files with the MultimediaPlayer object is the same on
both platforms. However, the backend is completely different. On the Windows PC the
simulation uses the capabilities of the operating system and the installed software codecs.
On the device the hardware decoding functions of the CPU are directly used to minimize
CPU load.
Because of this difference, the playback can be different on both platforms. One of the
biggest differences can be that a media file that can be played back in the simulation on
the Windows PC cannot be played back on the device. This can happen if a codec is
installed on the PC but is not supported by the CPU on the device. Other differences that
may appear are different timings when executing a multimedia action or (e.g. when going
to the next file in the playlist the total time of the next file might appear faster on one
platform than on the other).
We strongly recommend that testing is not only done with the Windows simulation but also
directly on the device!
Why is my media file not playing in the Windows simulation?
There might be a codec missing. The K-Lite Codec Pack supports all the codecs
supported on the device (and many more). After installing this codec pack, restart the
simulation and try again.
Download it here (the basic version should be enough).
Do I need to be concerned about performance when playing video or audio?
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