The miditempo opcode is described as:
Returns the current tempo at k-rate, of either the MIDI file (if available)
or the score

It works for a midi file, but not for a score...

Richard 



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I have made a simple Python utility to convert midi drum files to score.
With the midi file playing, miditempo prints the correct tempo:

miditempo = 120

the score file is then imported into another csd and played back. It sounds
ok, but the miditempo output is weird:

miditempo = 2646000


Richard



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It does work here:

csound -t 60 mtempo.csd

new alloc for instr 1:
miditempo = 60

(with no midi file, but the score)

Csound needs to be running on beat mode for the tempo to be detected from the score (-t N).

========================
Dr Victor Lazzarini
Senior Lecturer
NUI Maynooth, Ireland
victor dot lazzarini at nuim dot ie




On 30 May 2014, at 22:10, zappfinger  wrote:

> The miditempo opcode is described as:
> Returns the current tempo at k-rate, of either the MIDI file (if available)
> or the score
> 
> It works for a midi file, but not for a score...
> 
> Richard 
> 
> 
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/miditempo-not-working-for-score-tp5735611.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to
>        https://github.com/csound/csound/issues
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
> 
> 
> 

I tried that in my case, first with -t 120, which is what the midi file
reported.
It prints out 120 ok, but the score file (playing fluidsynth) sounds much
too fast.

When I set it to -t 60, it sounds ok to start with, for a short while.
It prints 60, but then Python/csound crashes:
...
...
miditempo = 60
miditempo = 60
miditempo = 60
Python(14448,0x10d1a0000) malloc: *** error for object 0x2f0d19fa20: pointer
being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
Csound tidy up: Abort trap
inactive allocs returned to freespace 

Richard



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The crash might be a one timer, it did not happen again.
But what about the t 120 one? It seems that csound is defaulting to 60
internally, and then playing the score at 120 doubles it?

Richard  



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That’s probably something else, but the opcode works as expected (tempo reporting). The manual should mention the need
for running on beat mode.

If you can isolate the crash in a simple CSD, then it would help us to track any existing bug. Then you can open an issue
for it.
========================
Dr Victor Lazzarini
Senior Lecturer
NUI Maynooth, Ireland
victor dot lazzarini at nuim dot ie




On 30 May 2014, at 23:22, zappfinger  wrote:

> I tried that in my case, first with -t 120, which is what the midi file
> reported.
> It prints out 120 ok, but the score file (playing fluidsynth) sounds much
> too fast.
> 
> When I set it to -t 60, it sounds ok to start with, for a short while.
> It prints 60, but then Python/csound crashes:
> ...
> ...
> miditempo = 60
> miditempo = 60
> miditempo = 60
> Python(14448,0x10d1a0000) malloc: *** error for object 0x2f0d19fa20: pointer
> being freed was not allocated
> *** set a breakpoint in malloc_error_break to debug
> Csound tidy up: Abort trap
> inactive allocs returned to freespace 
> 
> Richard
> 
> 
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/miditempo-not-working-for-score-tp5735611p5735615.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to
>        https://github.com/csound/csound/issues
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
> 
> 
>