iOS not displaying Poster image for audio-only rendition

Wowza Streaming Engine
1

Hi All,

I’ve followed the instructions here to generate an App Store compliant audio-only stream for my live video feeds: https://www.wowza.com/docs/how-to-create-apple-app-store-compliant-streams

I have also used the “attach picture” modules to inject a poster image as an ID3 tag for the audio-only rendition, as described here: https://www.wowza.com/docs/how-to-add-poster-frames-to-apple-http-streams-id3-metadata-for-app-store-audio-renditions

I confirmed that:

  • audio stream is created

  • image is loaded properly from disk

  • ID3 tag is present in the stream (readable on iOS)

    However, when the MPMoviePlayer switches between video & audio streams, the image is not displayed. The last played frame of the video feed remains on the screen rather than the poster image.

    When I load the audio-only feed directly (by appending ‘?wowzaaudioonly’ to the end of the m3u8 URL) the image DOES display.

    So, I do not believe this to be a Wowza issue, but I am hoping someone here has encountered the issue and may be able to provide direction.

    Thanks in advance!

2

As you mentioned, this does not sound like a Wowza issue.

It sounds like you need to update the player view when the stream switches. Check out the MPMoviePlayerController API

You can send a notification to the player

When the load state for network-based movies changes

and update the view accordingly.

I hope this helps.

Salvadore