I'm getting a failed to open input file when i try this simple csoundCompileCsdText() example (in c++). I've added "csound" to my CsOptions after Mike's example here:

https://github.com/csound/csound/blob/develop/examples/lua/lua_example_csd.lua

I there anything else I should be adding? The output from Csound is given below the cpp file. 

#include <stdio.h>

#include "csound.hpp"

#include <string>

using namespace std;

int main()

{

//Create an instance of Csound

Csound* csound = new Csound();

string csdText = "<CsoundSynthesizer>"

"<CsOptions>"

"csound -+rtaudio=jack -odac -B4096"

"</CsOptions>"

"<CsInstruments>"

"sr = 44100"

"ksmps = 64    "

"nchnls = 2"

"0dbfs = 1"

"instr 1"

"a1 oscili 1, 300, 1"

"outs a1, a1"

"endin"

"</CsInstruments>"

"<CsScore>"

"f1 0 1024 10 1"

"i1 0 2"

"</CsScore>"

"</CsoundSynthesizer>";

//compile instance of csound.

csound->CompileCsdText(csdText.c_str());

//prepare Csound for performance

csound->Start();

//perform entire score

csound->Perform();

//free Csound object

delete csound;

return 0;

}

WARNING: not loading 'libdirectory.so' (incompatible with this version of Csound (3.0/4.0)

WARNING: not loading 'libopcodetest.so' (incompatible with this version of Csound (3.0/4.0)

0dBFS level = 32768.0

--Csound version 6.10 (double samples) Nov 17 2017 

[commit: 72817722006dd5d9dce73427e940312bd230c60f]

libsndfile-1.0.25

STARTING FILE

Failed to open input file (null)

rtaudio: ALSA module enabled

rtmidi: ALSA Raw MIDI module enabled

graphics suppressed, ascii substituted

0dBFS level = 32768.0

orch now loaded

audio buffered in 256 sample-frame blocks

writing 512-byte blks of shorts to test.wav (WAV)

SECTION 1:

^Cbacktrace() returned 9 addresses

/usr/local/lib/libcsound64.so.6.0(+0x40a9b) [0x7f04030b3a9b]

/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7f04027464b0]

/lib/x86_64-linux-gnu/libpthread.so.0(__pthread_mutex_unlock+0x2e) [0x7f04022964ee]

/usr/local/lib/libcsound64.so.6.0(csoundUnlockMutex+0x16) [0x7f0403261055]

/usr/local/lib/libcsound64.so.6.0(csoundPerform+0x1bc) [0x7f04030b64c2]

./test() [0x4042a6]

./test() [0x403af3]

/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f0402731830]

./test() [0x403969]

Csound tidy up: Interrupt

Early return from csoundPerform().

inactive allocs returned to freespace

end of score.   overall amps:      0.0

  overall samples out of range:        0

1 errors in performance

Elapsed time at end of performance: real: 4.066s, CPU: 4.061s

256 512 sample blks of shorts written to test.wav (WAV)

rory@rory-thinkpad:~/sourcecode/csoundAPI_examples/cpp$ 

Either add newlines or use a multiline string constant.

Regards,

Mike

On Nov 21, 2017 4:24 AM, "Rory Walsh" <rorywalsh@ear.ie> wrote:

I'm getting a failed to open input file when i try this simple csoundCompileCsdText() example (in c++). I've added "csound" to my CsOptions after Mike's example here:

https://github.com/csound/csound/blob/develop/examples/lua/lua_example_csd.lua

I there anything else I should be adding? The output from Csound is given below the cpp file. 

#include <stdio.h>

#include "csound.hpp"

#include <string>

using namespace std;

int main()

{

//Create an instance of Csound

Csound* csound = new Csound();

string csdText = "<CsoundSynthesizer>"

"<CsOptions>"

"csound -+rtaudio=jack -odac -B4096"

"</CsOptions>"

"<CsInstruments>"

"sr = 44100"

"ksmps = 64    "

"nchnls = 2"

"0dbfs = 1"

"instr 1"

"a1 oscili 1, 300, 1"

"outs a1, a1"

"endin"

"</CsInstruments>"

"<CsScore>"

"f1 0 1024 10 1"

"i1 0 2"

"</CsScore>"

"</CsoundSynthesizer>";

//compile instance of csound.

csound->CompileCsdText(csdText.c_str());

//prepare Csound for performance

csound->Start();

//perform entire score

csound->Perform();

//free Csound object

delete csound;

return 0;

}

WARNING: not loading 'libdirectory.so' (incompatible with this version of Csound (3.0/4.0)

WARNING: not loading 'libopcodetest.so' (incompatible with this version of Csound (3.0/4.0)

0dBFS level = 32768.0

--Csound version 6.10 (double samples) Nov 17 2017 

[commit: 72817722006dd5d9dce73427e940312bd230c60f]

libsndfile-1.0.25

STARTING FILE

Failed to open input file (null)

rtaudio: ALSA module enabled

rtmidi: ALSA Raw MIDI module enabled

graphics suppressed, ascii substituted

0dBFS level = 32768.0

orch now loaded

audio buffered in 256 sample-frame blocks

writing 512-byte blks of shorts to test.wav (WAV)

SECTION 1:

^Cbacktrace() returned 9 addresses

/usr/local/lib/libcsound64.so.6.0(+0x40a9b) [0x7f04030b3a9b]

/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7f04027464b0]

/lib/x86_64-linux-gnu/libpthread.so.0(__pthread_mutex_unlock+0x2e) [0x7f04022964ee]

/usr/local/lib/libcsound64.so.6.0(csoundUnlockMutex+0x16) [0x7f0403261055]

/usr/local/lib/libcsound64.so.6.0(csoundPerform+0x1bc) [0x7f04030b64c2]

./test() [0x4042a6]

./test() [0x403af3]

/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f0402731830]

./test() [0x403969]

Csound tidy up: Interrupt

Early return from csoundPerform().

inactive allocs returned to freespace

end of score.   overall amps:      0.0

  overall samples out of range:        0

1 errors in performance

Elapsed time at end of performance: real: 4.066s, CPU: 4.061s

256 512 sample blks of shorts written to test.wav (WAV)

rory@rory-thinkpad:~/sourcecode/csoundAPI_examples/cpp$ 

c++11 allows multiline string literals (although I have not used it myself yet)

http://en.cppreference.com/w/cpp/language/string_literal

Victor Lazzarini

Dean of Arts, Celtic Studies, and Philosophy

Maynooth University

Ireland

On 21 Nov 2017, at 19:29, Rory Walsh <rorywalsh@EAR.IE> wrote:

Thanks guys. I'll put my hand up and say I used a rather lame online text to string converter to change the csd text into a string. I assumed it would have added the line breaks! My bad. 

On 21 November 2017 at 14:19, Michael Gogins <michael.gogins@gmail.com> wrote:

Either add newlines or use a multiline string constant.

Regards,

Mike

On Nov 21, 2017 4:24 AM, "Rory Walsh" <rorywalsh@ear.ie> wrote:

I'm getting a failed to open input file when i try this simple csoundCompileCsdText() example (in c++). I've added "csound" to my CsOptions after Mike's example here:

https://github.com/csound/csound/blob/develop/examples/lua/lua_example_csd.lua

I there anything else I should be adding? The output from Csound is given below the cpp file. 

#include <stdio.h>

#include "csound.hpp"

#include <string>

using namespace std;

int main()

{

//Create an instance of Csound

Csound* csound = new Csound();

string csdText = "<CsoundSynthesizer>"

"<CsOptions>"

"csound -+rtaudio=jack -odac -B4096"

"</CsOptions>"

"<CsInstruments>"

"sr = 44100"

"ksmps = 64    "

"nchnls = 2"

"0dbfs = 1"

"instr 1"

"a1 oscili 1, 300, 1"

"outs a1, a1"

"endin"

"</CsInstruments>"

"<CsScore>"

"f1 0 1024 10 1"

"i1 0 2"

"</CsScore>"

"</CsoundSynthesizer>";

//compile instance of csound.

csound->CompileCsdText(csdText.c_str());

//prepare Csound for performance

csound->Start();

//perform entire score

csound->Perform();

//free Csound object

delete csound;

return 0;

}

WARNING: not loading 'libdirectory.so' (incompatible with this version of Csound (3.0/4.0)

WARNING: not loading 'libopcodetest.so' (incompatible with this version of Csound (3.0/4.0)

0dBFS level = 32768.0

--Csound version 6.10 (double samples) Nov 17 2017 

[commit: 72817722006dd5d9dce73427e940312bd230c60f]

libsndfile-1.0.25

STARTING FILE

Failed to open input file (null)

rtaudio: ALSA module enabled

rtmidi: ALSA Raw MIDI module enabled

graphics suppressed, ascii substituted

0dBFS level = 32768.0

orch now loaded

audio buffered in 256 sample-frame blocks

writing 512-byte blks of shorts to test.wav (WAV)

SECTION 1:

^Cbacktrace() returned 9 addresses

/usr/local/lib/libcsound64.so.6.0(+0x40a9b) [0x7f04030b3a9b]

/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7f04027464b0]

/lib/x86_64-linux-gnu/libpthread.so.0(__pthread_mutex_unlock+0x2e) [0x7f04022964ee]

/usr/local/lib/libcsound64.so.6.0(csoundUnlockMutex+0x16) [0x7f0403261055]

/usr/local/lib/libcsound64.so.6.0(csoundPerform+0x1bc) [0x7f04030b64c2]

./test() [0x4042a6]

./test() [0x403af3]

/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f0402731830]

./test() [0x403969]

Csound tidy up: Interrupt

Early return from csoundPerform().

inactive allocs returned to freespace

end of score.   overall amps:      0.0

  overall samples out of range:        0

1 errors in performance

Elapsed time at end of performance: real: 4.066s, CPU: 4.061s

256 512 sample blks of shorts written to test.wav (WAV)

rory@rory-thinkpad:~/sourcecode/csoundAPI_examples/cpp$