Validate encoding parameters
----------------------------
Key: LS-507
URL: http://dev.sourcefabric.org/browse/LS-507
Project: Liquidsoap
Issue Type: New Feature
Reporter: Samuel Mimram
Priority: Major
Recently on the ML, a user had
output.icecast( name = myName, host = myHost, genre = myGenre, description =
myDesc, url = myUrl,
password = "***", port = 4040, mount = "high.ogg", restart =
true,
%vorbis(quality = 0.6, samplerate = 44100, channels = 2),
return )
which resulted in
2011/04/15 12:23:50 [threads:1] Thread "wallclock_main" aborts with exception
Vorbis.Not_implemented!
2011/04/15 12:23:50 [threads:3] Raised by primitive operation at file
"ogg_formats/vorbis_encoder.ml", line 98, characters 4-57
2011/04/15 12:23:50 [threads:3] Called from file
"ogg_formats/vorbis_encoder.ml", line 158, characters 19-96
2011/04/15 12:23:50 [threads:3] Called from file "encoder/ogg_encoder.ml", line
213, characters 25-48
2011/04/15 12:23:50 [threads:3] Called from file "encoder/ogg_encoder.ml", line
213, characters 25-48
2011/04/15 12:23:50 [threads:3] Called from file "list.ml", line 69, characters
12-15
2011/04/15 12:23:50 [threads:3] Called from file "list.ml", line 69, characters
12-15
2011/04/15 12:23:50 [threads:3] Called from file "encoder/ogg_encoder.ml", line
215, characters 6-24
2011/04/15 12:23:50 [threads:3] Called from file "encoder/ogg_encoder.ml", line
215, characters 6-24
2011/04/15 12:23:50 [threads:3] Called from file "outputs/output.ml", line 247,
characters 24-77
2011/04/15 12:23:50 [threads:3] Called from file "outputs/output.ml", line 258,
characters 35-47
2011/04/15 12:23:50 [threads:3] Called from file "outputs/output.ml", line 174,
characters 6-27
2011/04/15 12:23:50 [threads:3] Called from file "list.ml", line 69, characters
12-15
2011/04/15 12:23:50 [threads:3] Called from file "clock.ml", line 131,
characters 6-43
2011/04/15 12:23:50 [threads:3] Called from file "clock.ml", line 307,
characters 10-24
2011/04/15 12:23:50 [threads:3] Called from file "clock.ml", line 310,
characters 8-15
2011/04/15 12:23:50 [threads:3] Called from file "tools/tutils.ml", line 136,
characters 15-18
The explanation from Romain was that quality = -0.2 is only available in the
aoTuv implementation of libvorbis, therefore you have the exception
"Not_implemented" which probably means that you are using xiph's libvorbis..
We should check for the range of parameters, or at least catch the
Not_implemented exception and display a meaningful error message.
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