aquila_mfcc_crash_report

lldb.log

➜  aquila  lldb a.out /tmp/20.wav
(lldb) target create "a.out"
Current executable set to 'a.out' (x86_64).
(lldb) settings set -- target.run-args  "/tmp/20.wav"
(lldb) r
Process 24809 launched: '/Users/sqbing/Dev/Test/aquila/a.out' (x86_64)
Loaded file /tmp/20.wav (16b)
 samples: 960000
 sample frequency: 48000
Samples per frame: 1200
Samples per overlap: 720
File devided into 1998 frames.
Frame #0
Frame #1
a.out(24809,0x7fff7c370300) malloc: *** error for object 0x102806008: incorrect checksum for freed object - object was probably modified after being freed.
*** set a breakpoint in malloc_error_break to debug
Process 24809 stopped
* thread #1: tid = 0x138b65, 0x00007fff95926286 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
    frame #0: 0x00007fff95926286 libsystem_kernel.dylib`__pthread_kill + 10
libsystem_kernel.dylib`__pthread_kill + 10:
-> 0x7fff95926286:  jae    0x7fff95926290            ; __pthread_kill + 20
   0x7fff95926288:  movq   %rax, %rdi
   0x7fff9592628b:  jmp    0x7fff95921c53            ; cerror_nocancel
   0x7fff95926290:  retq   
(lldb) bt
* thread #1: tid = 0x138b65, 0x00007fff95926286 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  * frame #0: 0x00007fff95926286 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007fff9322242f libsystem_pthread.dylib`pthread_kill + 90
    frame #2: 0x00007fff8ee2eb53 libsystem_c.dylib`abort + 129
    frame #3: 0x00007fff94abae06 libsystem_malloc.dylib`szone_error + 625
    frame #4: 0x00007fff94ab06b3 libsystem_malloc.dylib`small_malloc_from_free_list + 875
    frame #5: 0x00007fff94aae3bc libsystem_malloc.dylib`szone_malloc_should_clear + 1449
    frame #6: 0x00007fff94aad877 libsystem_malloc.dylib`malloc_zone_malloc + 71
    frame #7: 0x00007fff94aac395 libsystem_malloc.dylib`malloc + 42
    frame #8: 0x00007fff994bc43e libc++.1.dylib`operator new(unsigned long) + 30
    frame #9: 0x000000010000e75a a.out`std::__1::vector<std::__1::complex<double>, std::__1::allocator<std::__1::complex<double> > >::allocate(unsigned long) + 154
    frame #10: 0x000000010000e658 a.out`std::__1::vector<std::__1::complex<double>, std::__1::allocator<std::__1::complex<double> > >::vector<std::__1::complex<double>*>(std::__1::complex<double>*, std::__1::enable_if<(__is_forward_iterator<std::__1::complex<double>*>::value) && (is_constructible<std::__1::complex<double>, std::__1::iterator_traits<std::__1::complex<double>*>::reference>::value), std::__1::complex<double>*>::type) + 280
    frame #11: 0x000000010000e535 a.out`std::__1::vector<std::__1::complex<double>, std::__1::allocator<std::__1::complex<double> > >::vector<std::__1::complex<double>*>(std::__1::complex<double>*, std::__1::enable_if<(__is_forward_iterator<std::__1::complex<double>*>::value) && (is_constructible<std::__1::complex<double>, std::__1::iterator_traits<std::__1::complex<double>*>::reference>::value), std::__1::complex<double>*>::type) + 37
    frame #12: 0x000000010000e25c a.out`Aquila::OouraFft::fft(double const*) + 284
    frame #13: 0x0000000100011daf a.out`Aquila::Mfcc::calculate(Aquila::SignalSource const&, unsigned long) + 127
    frame #14: 0x0000000100001ac0 a.out`main + 1808
    frame #15: 0x00007fff8e1325c9 libdyld.dylib`start + 1
    frame #16: 0x00007fff8e1325c9 libdyld.dylib`start + 1
(lldb) 

mfcc.cpp

#include <iostream>
#include <aquila/source/WaveFile.h>
#include <aquila/tools/TextPlot.h>
#include <aquila/transform/Mfcc.h>
#include <aquila/source/Frame.h>
#include <aquila/source/FramesCollection.h>
#include <algorithm>
#include <cstdlib>

int main(int argc, const char *argv[])
{
    if(argc < 2) {
        std::cout<<"Filename not found."<<std::endl;
        return -1;
    }

    Aquila::WaveFile wav(argv[1]);
    std::cout<<"Loaded file "<<wav.getFilename()
        <<" ("<<wav.getBitsPerSample()<<"b)"<<std::endl
        <<" samples: "<<wav.getSamplesCount()<<std::endl
        <<" sample frequency: "<<wav.getSampleFrequency()<<std::endl;
    
    int samples_per_frame = wav.getSampleFrequency()/40;
    int samples_per_overlap = samples_per_frame*3/5;
    std::cout<<"Samples per frame: "<<samples_per_frame<<std::endl;
    std::cout<<"Samples per overlap: "<<samples_per_overlap<<std::endl;
    Aquila::FramesCollection frames(wav,
            samples_per_frame,
            samples_per_overlap);
    std::cout<<"File devided into "<<frames.count()<<" frames."<<std::endl;

    unsigned int i = 0;
    for(auto it = frames.begin(); it != frames.end(); ++it, ++i){
        std::cout<<"Frame #"<<i<<std::endl;
        Aquila::Mfcc mfcc(it->getSamplesCount());
        auto mfccValues = mfcc.calculate(*it);
        std::cout<<"Frame #"<<i<<" mfcc coefficients: "<<std::endl;
        std::copy(
                std::begin(mfccValues),
                std::end(mfccValues),
                std::ostream_iterator<double>(std::cout, " "));
    }

    return 0;
}