Why won't our own .mp4 files play through VOD? We have been using the default VOD application, and just inserting our videos into the content folder, and replacing the sample.mp4 text with our own .mp4's in SimpleVideoStreaming/Client. We lowered the FPS and the bitrate on our encoder, and still no good. Our encoder is doing true .mp4 and not just converting or renaming the file. Also, our codecs match up with the sample.mp4 codecs, so I don't understand what the issue is.
It sounds like your .mp4 files are in the correct location for use with the provided application named 'vod. What do you see in the [install-dir]/logs/wowzamediaserver_access.log file? It should provide some clues as to why the video does not play. Are you able to play the provided sample video, sample.mp4?
What do you have entered into the sample player? Is it like this: