Audio Only Transcoding Icecast/Shoutcast MP3 to AAC. How to?
Hi Guys
I've spent alot of time on Wowza and it does alot for us. I just cannot for the life of me get this particular solution to work.
We are running Wowza Media Server 3 Monthly Edition 3.1.1 build1479 and I want to restream an Icecast MP3 stream and ALSO transcode it to AAC.
My application.xml file in the conf/<application> folder has the stream type as shoutcast to get the stream to deliver. I have a <application>.stream file with the icecast details in.
This stream works fine.
Now the part that bugs me is the transcoding.
I've set the following values in the application.xml file:
<LiveStreamTranscoder>transcoder</LiveStreamTranscoder>
<Templates>"<application>".xml</Templates> (without the quotes, and <application> is actually the application name I put there ie teststream.xml)
The template is based on what Charlie posted here: http://www.wowza.com/forums/showthread.php?18533-How-to-configure-Wowza-Transcoder-to-encode-HE-AAC-audio
But without the mainconcept parameters, because our Wowza server is not yet patched to the required version.
So in my mind the following URL should work:
rtmp://<wowza IP>:1935/<application>/mp4:<application>.stream_aac
But it doesn't.
Is there something I'm missing?
I've spent alot of time on Wowza and it does alot for us. I just cannot for the life of me get this particular solution to work.
We are running Wowza Media Server 3 Monthly Edition 3.1.1 build1479 and I want to restream an Icecast MP3 stream and ALSO transcode it to AAC.
My application.xml file in the conf/<application> folder has the stream type as shoutcast to get the stream to deliver. I have a <application>.stream file with the icecast details in.
This stream works fine.
Now the part that bugs me is the transcoding.
I've set the following values in the application.xml file:
<LiveStreamTranscoder>transcoder</LiveStreamTranscoder>
<Templates>"<application>".xml</Templates> (without the quotes, and <application> is actually the application name I put there ie teststream.xml)
The template is based on what Charlie posted here: http://www.wowza.com/forums/showthread.php?18533-How-to-configure-Wowza-Transcoder-to-encode-HE-AAC-audio
But without the mainconcept parameters, because our Wowza server is not yet patched to the required version.
So in my mind the following URL should work:
rtmp://<wowza IP>:1935/<application>/mp4:<application>.stream_aac
But it doesn't.
Is there something I'm missing?
Have you disable the video portion, since it is audio only? Show the template you are using.
Run Wowza in stand-alone (/bin/startup.bat) so you can see log output in the console. What renditions are actually created? "<application>.stream_acc" doesn't seem right, unless you named your stream the same as the application. What does Wowza show it is transcoding?
Richard
Run Wowza in stand-alone (/bin/startup.bat) so you can see log output in the console. What renditions are actually created? "<application>.stream_acc" doesn't seem right, unless you named your stream the same as the application. What does Wowza show it is transcoding?
Richard
Here is the template that I'm using:
I'll feed back on the wowza output a bit later. This is a production machine so I can't stop it and start it at random.
<!-- Example template for audio only transcoding to AAC from any support audio codec -->
<Root>
<Transcode>
<Encodes>
<!-- Example Encode block for source, not required unless Member of StreamNameGroup. -->
<Encode>
<Enable>true</Enable>
<Name>aac</Name>
<StreamName>mp4:${SourceStreamName}_aac</StreamName>
<Video>
<!-- H.264, PassThru, Disable -->
<Codec>PassThru</Codec>
<Bitrate>${SourceVideoBitrate}</Bitrate>
<Parameters>
</Parameters>
</Video>
<Audio>
<!-- AAC, PassThru, Disable -->
<Codec>AAC</Codec>
<Bitrate>32000</Bitrate>
<Parameters>
</Parameters>
</Audio>
<Properties>
</Properties>
</Encode>
</Encodes>
<Decode>
</Decode>
<StreamNameGroups>
</StreamNameGroups>
<Properties>
</Properties>
</Transcode>
</Root>
I'll feed back on the wowza output a bit later. This is a production machine so I can't stop it and start it at random.
