Is it possible to encode video in Azure Media Services with chapter or timeline markers, and if so, how?
I understand that custom encoding presets are supported. Outside of Azure Media Services, I was able to do what I am speaking of using the Microsoft Expression Encoder SDK, but I have yet to find this capability in Azure's offerings.
What do you intend to do with the chapter/timeline markers? If you intend to generate a progressive download MP4 (or WMV) file, then the above response holds. You can modify any of the published presets (http://msdn.microsoft.com/en-us/library/dn619392.aspx) for Azure Media Encoder with the Markers element:
<MediaFile ...>
<Markers
MergeCollection="False">
<Marker
Time="00:00:00"
Value="ABC"
GenerateKeyFrame="True"
GenerateThumbnail="True" />
<Marker
Time="00:00:03.0000000"
Value="DEF"
GenerateKeyFrame="True"
GenerateThumbnail="True" />
</Markers>
<OutputFormat>
...
You would have to ensure that the Marker entries were within the timeline of the input video, of course.