#!/usr/bin/env python
from waflib.extras import autowaf as autowaf
import os

# Version of this package (even if built as a child)
QM_DSP_VERSION = '1.7.1'

# Library version (UNIX style major, minor, micro)
# major increment <=> incompatible changes
# minor increment <=> compatible changes (additions)
# micro increment <=> no interface changes
QM_DSP_LIB_VERSION = '1.7.1'

# Variables for 'waf dist'
APPNAME = 'qm-dsp'
VERSION = QM_DSP_VERSION

# Mandatory variables
top = '.'
out = 'build'

def options(opt):
    autowaf.set_options(opt)

def configure(conf):
    if conf.is_defined('USE_EXTERNAL_LIBS'):
        conf.check_cxx(header_name="base/Pitch.h", mandatory=True)
        conf.check_cxx(lib="qm-dsp", uselib_store="QMDSP", mandatory=True)
    else:
        conf.load('compiler_cxx')
        autowaf.configure(conf)

def build(bld):
    if bld.is_defined('USE_EXTERNAL_LIBS'):
        return

    # Host Library
    obj = bld(features = 'c cxx cxxstlib')
    obj.source = '''
            base/Pitch.cpp
            base/KaiserWindow.cpp
            base/SincWindow.cpp
            dsp/chromagram/Chromagram.cpp
            dsp/chromagram/ConstantQ.cpp
            dsp/keydetection/GetKeyMode.cpp
            dsp/mfcc/MFCC.cpp
            dsp/onsets/DetectionFunction.cpp
            dsp/onsets/PeakPicking.cpp
            dsp/phasevocoder/PhaseVocoder.cpp
            dsp/rateconversion/Decimator.cpp
            dsp/rateconversion/DecimatorB.cpp
            dsp/rhythm/BeatSpectrum.cpp
            dsp/signalconditioning/DFProcess.cpp
            dsp/signalconditioning/Filter.cpp
            dsp/signalconditioning/FiltFilt.cpp
            dsp/signalconditioning/Framer.cpp
            dsp/tempotracking/DownBeat.cpp
            dsp/tempotracking/TempoTrack.cpp
            dsp/tempotracking/TempoTrackV2.cpp
            dsp/tonal/ChangeDetectionFunction.cpp
            dsp/tonal/TCSgram.cpp
            dsp/tonal/TonalEstimator.cpp
            dsp/transforms/FFT.cpp
            dsp/wavelet/Wavelet.cpp
            maths/Correlation.cpp
            maths/CosineDistance.cpp
            maths/KLDivergence.cpp
            maths/MathUtilities.cpp
            maths/pca/pca.c
            ext/kissfft/kiss_fft.c
            ext/kissfft/tools/kiss_fftr.c
    '''
    autowaf.ensure_visible_symbols (obj, False)
    obj.export_includes = ['.']
    obj.includes     = ['.', 'ext/kissfft', 'ext/kissfft/tools/']
    obj.defines      = ['kiss_fft_scalar=double']
    obj.name         = 'libqm-dsp'
    obj.target       = 'qm-dsp'
    obj.vnum         = QM_DSP_VERSION
    obj.install_path = bld.env['LIBDIR']
    if bld.env['build_target'] != 'mingw':
        obj.cxxflags += [ '-fPIC' ]
        obj.cflags   += [ '-fPIC' ]

def shutdown():
    autowaf.shutdown()