Re: [Rhythmbox-devel] Problem with faac encoded m4a files

[Jaap Haitsma <jaap haitsma org>]

Gunnar Degnbol wrote:
> I can't get Rhythmbox to play m4a files encoded with faac. m4a files
> encoded with iTunes work, and the faac files play on my iPod Shuffle,
> and in AmaroK and XMMS.
>
> I am using Fedora Core 4 on x86, and have installed all the plugins and
> decoders with yum. faac is compiled from sources, as the rpm does
> not have mp4 support.
>
> The -d option tells me the files are identified as video/quicktime
> instead of audio/x-m4a (what I see for an iTunes encoded file):
>
> [0x91f5a58] [rb_metadata_load] rb-metadata-gst.c:468 (23:57:25): loading 
> metadata for uri: file:///home/gunnar/ai/American_Idiot.m4a
> [0x91f5a58] [rb_metadata_gst_typefind_cb] rb-metadata-gst.c:421 
> (23:57:25): found type video/quicktime
> [0x91f5a58] [rb_metadata_gst_load_tag] rb-metadata-gst.c:360 (23:57:25): 
> uri: file:///home/gunnar/ai/American_Idiot.m4a tag: title
> ...
>
> --gst-debug-level=5 produces a 1.2 MB logfile, that is a bit hard to make
> sense of. Gstreamer seems to understand that it is an audio file, until it
> suddenly is a video.
>
> Is this a Rhythmbox problem or a Gstreamer bug? Has anybody had any similar
> problem?

I guess it's gstreamer bug. You can try playing it using the command 
line utility gst-launch (Do a man gst-launch to see how to play a music 
file). If you see the same behaviour ovethere it's caused by gstreamer

Jaap