The reason I brought this up, is because currently our code is as follows:
output_mono = (...)
output_stereo = (...)
if type == "mp3" then
if bitrate == 24 then
if stereo then
ignore(output_stereo(%mp3(bitrate = 24, stereo = true),
!source))
else
ignore(output_mono(%mp3(bitrate = 24, stereo = false),
mean(!source)))
end
elsif bitrate == 32 then
if stereo then
ignore(output_stereo(%mp3(bitrate = 32, stereo = true),
!source))
else
ignore(output_mono(%mp3(bitrate = 32, stereo = false),
mean(!source)))
end
elsif bitrate == 48 then
if stereo then
ignore(output_stereo(%mp3(bitrate = 48, stereo = true),
!source))
else
ignore(output_mono(%mp3(bitrate = 48, stereo = false),
mean(!source)))
end
Multiply for all bitrates up to 320kbps, then once again for %vorbis, and
then once again for shoutcast :)
Right now it's not so bad, but in the future if we add one more user
customizable variable, it would be wiser to use a code generator :)
Martin
On Mon, Sep 10, 2012 at 3:25 AM, Samuel Mimram <smim...@gmail.com> wrote:
> Hi,
>
> The parameters of encoding formats are very special because the type of
> the source depends on them, and types are checked before executing the
> script. This explains why we have to know those parameters directly by
> looking at those and not having to compute the contents of a variable, etc.
>
> So, your first commandline is not expected to work in a forseeable future
> (we could allow some simple variables at some point but this would make the
> code much more complicated for not many benefits), and the second one is
> the way to go! Also, notice that things might be a bit more involved with a
> source which is not sine() since the first output.icecast expects a mono
> source and the second one expects a stereo source...
>
> Cheers,
>
> Samuel.
>
>
> On Wed, Aug 29, 2012 at 10:10 PM, Martin Konečný <
> martin.kone...@sourcefabric.org> wrote:
>
>> Hello,
>>
>> I am trying make the number of channels to my output configurable and am
>> running following line from the command-line
>>
>> liquidsoap 'xxx = 2; output.icecast(%vorbis(channels=xxx), host =
>> "localhost", port = 8000, user= "source", password = "hackme",
>> mount="test.mp3", sine())'
>>
>> This returns the error "variables are forbidden in encoding formats."
>>
>> I guess the way to get around this is as follows:
>>
>> if xxx == 1 then
>> output.icecast(%vorbis(channels=1), host = "localhost", port = 8000,
>> user= "source", password = "hackme", mount="test.mp3", sine())'
>> elsif xxx == 2 then
>> output.icecast(%vorbis(channels=2), host = "localhost", port = 8000,
>> user= "source", password = "hackme", mount="test.mp3", sine())'
>> end
>>
>>
>> Is this the correct way or this a way to go back to the first method? :)
>>
>>
>> Martin
>> --
>> Open source radio in the cloud. Get yours now! ---> http://airtime.pro
>>
>> Martin Konecny
>> Software Developer, Sourcefabric
>> martin.kone...@sourcefabric.org
>>
>> 720 Bathurst St. Suite 203
>> M5S 2R4, Toronto, ON, Canada
>> +1 (416) 892-8420 (Cell)
>> Skype: martin.konecny15
>>
>> http://www.sourcefabric.org
>> http://www.twitter.com/Sourcefabric
>>
>>
>>
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>
--
Open source radio in the cloud. Get yours now! ---> http://airtime.pro
Martin Konecny
Software Developer, Sourcefabric
martin.kone...@sourcefabric.org
720 Bathurst St. Suite 203
M5S 2R4, Toronto, ON, Canada
+1 (416) 892-8420 (Cell)
Skype: martin.konecny15
http://www.sourcefabric.org
http://www.twitter.com/Sourcefabric
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Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
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