Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-10 Thread Andrew
On Tue, Mar 05, 2013 at 07:43:13PM +0100, Thorsten Alteholz wrote:
 
 
 On Mon, 4 Mar 2013, D. Michael McIntyre wrote:
  Investigation shows someone was interested in looking at this problem in
  2010 and allowing Rosegarden to support the several different version of
  Hydrogen XML.  It came to naught in three years.
 
 I guess that was me. My original plan was to prevent that crash when 
 loading a new hydrogen file. I also added the version check but was not 
 able to implement the new parsing. I was hoping somebody else could do 
 that ...

i've requested help on this on the Hydrogen forum (and mailing list), asking 
about documentation for both new and old XML formats.

user mauser just replied (Sun, 03/10/2013 - 13:31):

Hi! You can get the source of 0.9.3 at the our sourceforge page. There should 
be also some demo songs included in the package. I guess that some of the demos 
which are part of the current code are also from that period...

I'll try to find time to move forward on this.

thanks.

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-10 Thread Abrolag
On Sun, 10 Mar 2013 09:04:35 -0400
Andrew nos...@flight.us wrote:

 On Tue, Mar 05, 2013 at 07:43:13PM +0100, Thorsten Alteholz wrote:
  
  
  On Mon, 4 Mar 2013, D. Michael McIntyre wrote:
   Investigation shows someone was interested in looking at this problem in
   2010 and allowing Rosegarden to support the several different version of
   Hydrogen XML.  It came to naught in three years.
  
  I guess that was me. My original plan was to prevent that crash when 
  loading a new hydrogen file. I also added the version check but was not 
  able to implement the new parsing. I was hoping somebody else could do 
  that ...
 
 i've requested help on this on the Hydrogen forum (and mailing list), asking 
 about documentation for both new and old XML formats.
 
 user mauser just replied (Sun, 03/10/2013 - 13:31):
 
 Hi! You can get the source of 0.9.3 at the our sourceforge page. There should 
 be also some demo songs included in the package. I guess that some of the 
 demos which are part of the current code are also from that period...
 
 I'll try to find time to move forward on this.
 
 thanks.

I don't use hydrogen much, but in any case thanks for following this through.

-- 
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-05 Thread Thorsten Alteholz


On Mon, 4 Mar 2013, D. Michael McIntyre wrote:
 Investigation shows someone was interested in looking at this problem in
 2010 and allowing Rosegarden to support the several different version of
 Hydrogen XML.  It came to naught in three years.

I guess that was me. My original plan was to prevent that crash when 
loading a new hydrogen file. I also added the version check but was not 
able to implement the new parsing. I was hoping somebody else could do 
that ...

   Thorsten



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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-04 Thread D. Michael McIntyre
On 03/03/2013 07:25 PM, D. Michael McIntyre wrote:

 I haven't investigated or made that determination yet.  I have a modicum
 of ambition, but only just.

Well, now we know.

 // up to now we can only read files of version 0.9.3 and earlier
 // there was an xml format change  in 0.9.4

The error message is useless, but the real problem is Rosegarden doesn't 
support the current version of Hydrogen's XML.

Rewrite required.

Investigation shows someone was interested in looking at this problem in 
2010 and allowing Rosegarden to support the several different version of 
Hydrogen XML.  It came to naught in three years.

I didn't dig up a map to Hydrogen's current XML, which is different from 
the version used by the file I've been trying with, which is different 
from the version Rosegarden supports.

That's all I need to see.  Practically nobody ever noticed that this 
feature was broken, and it has now reached the point where it would 
require a great deal of work to get it working again.

I'll look at the MIDI import problem next.  That's the use case I'll 
worry about.  Hydrogen import is gone.
-- 
D. Michael McIntyre

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-03 Thread Andrew
On Sat, Mar 02, 2013 at 11:16:37AM +, Kevin Donnelly wrote:
 On Saturday 02 March 2013 D. Michael McIntyre said
  On 03/01/2013 05:37 PM, David Tisdell wrote:
   I think that feature has been broken for a long time. I posted about
   that quite a while ago and was told by Michael that the person who
   created that feature has been gone from Rosegarden for a long time.
  
  Very true.  If we actually get it working as well as it did the last
  time I used it, it's still a dubious feature.  It hasn't been touched in
  maybe seven years?
  
  If it's too badly mangled I'll probably just cut it loose.  Lots of
  other features have died quiet deaths like that.
 
 I have a vague recollection of, a couple of years ago, exporting the Hydrogen 
 file as a midi file, and then importing that into Rosegarden, and it seemed 
 to 
 work fine.  Maybe direct import isn't needed anyway?

My instruments were mismapped, when I tried to play the imported MIDI in RG, 
through Hydrogen.  I first hoped I could correct it by just transposing the 
whole thing by some interval, but then it seemed that my resulting array of 
instruments in RG was shuffled out of the original Hydrogen order, so my 
transposing attempts failed. Or maybe I missed something.

Wouldn't it be really cool, if you could import a hydrogen file, such that it 
was instantly ready to be rendered back through Hydrogen? (played by 
Rosegarden but outsourced back to Hydrogen (mapping the instruments correctly, 
of course))

Maybe for the RG code to be corrected/expanded for this, some broader, more 
generalized changes must be made in RG code, for percussion? (just a vague 
hunch)


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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-03 Thread D. Michael McIntyre
On 03/03/2013 12:25 PM, Andrew wrote:

 Only if Cut it loose doesn't mean forfeiting even a modicum of ambition.

I haven't investigated or made that determination yet.  I have a modicum 
of ambition, but only just.

As far as Rosegarden and its full potential, that's more up to the 
community than it is to me personally.  My interest peaked and started 
waning a long time ago, and I'm just kind of here to support anybody 
else who feels like getting involved with writing code and making things 
happen.
-- 
D. Michael McIntyre

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-02 Thread D. Michael McIntyre
On 03/01/2013 05:37 PM, David Tisdell wrote:

 I think that feature has been broken for a long time. I posted about
 that quite a while ago and was told by Michael that the person who
 created that feature has been gone from Rosegarden for a long time.

Very true.  If we actually get it working as well as it did the last 
time I used it, it's still a dubious feature.  It hasn't been touched in 
maybe seven years?

If it's too badly mangled I'll probably just cut it loose.  Lots of 
other features have died quiet deaths like that.
-- 
D. Michael McIntyre

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-02 Thread Kevin Donnelly
On Saturday 02 March 2013 D. Michael McIntyre said
 On 03/01/2013 05:37 PM, David Tisdell wrote:
  I think that feature has been broken for a long time. I posted about
  that quite a while ago and was told by Michael that the person who
  created that feature has been gone from Rosegarden for a long time.
 
 Very true.  If we actually get it working as well as it did the last
 time I used it, it's still a dubious feature.  It hasn't been touched in
 maybe seven years?
 
 If it's too badly mangled I'll probably just cut it loose.  Lots of
 other features have died quiet deaths like that.

I have a vague recollection of, a couple of years ago, exporting the Hydrogen 
file as a midi file, and then importing that into Rosegarden, and it seemed to 
work fine.  Maybe direct import isn't needed anyway?

-- 
Pob hwyl / Best wishes

Kevin Donnelly
kevindonnelly.org.uk
bangortalk.org.uk

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Re: [Rosegarden-user] Can't load Hydrogen file. It appears to be corrupt

2013-03-01 Thread David Tisdell
Hi Andrew,

I think that feature has been broken for a long time. I posted about that
quite a while ago and was told by Michael that the person who created that
feature has been gone from Rosegarden for a long time.

Dave

On Thu, Feb 28, 2013 at 2:19 PM, Andrew nos...@flight.us wrote:

 Hi, all!

 When I try to import a Hydrogen song (an *.h2song file) I get this error:


  Can't load Hydrogen file.  It appears to be corrupted.

 I've tried a bunch of hydrogen files, same error.

 Just compiled version 13.02, my older version is 12.04

 Same error in both versions.

 What gives?  False hopes for this feature?

 As a side note: I tried to work around this by exporting from Hydrogen to
 MIDI, then importing the midi into RG. Well, that *appears* to work, but
 the result is the notes (percussion instruments) seem to be mismatched
 and scrambled - such that the percussion mappings can't be corrected with a
 simple, single transpose (for everything).  Correct me if i'm wrong.
  Quite possible I'm making some type of transposing mistake.

 Anyhow, i'm hoping to either defeat the bug (and get the *.h2song file
 import) or find a workaround.

 thanks.
 andrew


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