f_cnt_t SampleBuffer::decodeSampleSF( const char * _f,
int_sample_t * & _buf,
ch_cnt_t & _channels,
sample_rate_t & _samplerate )
{
SNDFILE * snd_file;
SF_INFO sf_info;
f_cnt_t frames = 0;
bool sf_rr = false;
sample_t * fbuf = 0;
if( ( snd_file = sf_open( _f, SFM_READ, &sf_info ) ) != NULL )
{
frames = sf_info.frames;
// check if float
if ( (sf_info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_FLOAT ) // if yes, use float format for buffer
{
fbuf = new sample_t[sf_info.channels * frames];
sf_rr = sf_read_float( snd_file, fbuf, sf_info.channels * frames );
}
else // otherwise, use int
{
_buf = new int_sample_t[sf_info.channels * frames];
sf_rr = sf_read_short( snd_file, _buf, sf_info.channels * frames );
}
if( sf_rr < sf_info.channels * frames )
{
#ifdef DEBUG_LMMS
printf( "SampleBuffer::decodeSampleSF(): could not read"
" sample %s: %s\n", _f, sf_strerror( NULL ) );
#endif
}
_channels = sf_info.channels;
_samplerate = sf_info.samplerate;
sf_close( snd_file );
}
else
{
#ifdef DEBUG_LMMS
printf( "SampleBuffer::decodeSampleSF(): could not load "
"sample %s: %s\n", _f, sf_strerror( NULL ) );
#endif
}
//write down either directly or convert i->f depending on file type
if ( frames > 0 && fbuf != NULL )
{
directFloatWrite ( fbuf, frames, _channels);
}
else if ( frames > 0 && _buf != NULL )
{
convertIntToFloat ( _buf, frames, _channels);
}
return frames;
}
f_cnt_t SampleBuffer::decodeSampleSF( const char * _f,
sample_t * & _buf,
ch_cnt_t & _channels,
sample_rate_t & _samplerate )
{
SNDFILE * snd_file;
SF_INFO sf_info;
sf_info.format = 0;
f_cnt_t frames = 0;
bool sf_rr = false;
if( ( snd_file = sf_open( _f, SFM_READ, &sf_info ) ) != NULL )
{
frames = sf_info.frames;
_buf = new sample_t[sf_info.channels * frames];
sf_rr = sf_read_float( snd_file, _buf, sf_info.channels * frames );
if( sf_rr < sf_info.channels * frames )
{
#ifdef DEBUG_LMMS
qDebug( "SampleBuffer::decodeSampleSF(): could not read"
" sample %s: %s", _f, sf_strerror( NULL ) );
#endif
}
_channels = sf_info.channels;
_samplerate = sf_info.samplerate;
sf_close( snd_file );
}
else
{
#ifdef DEBUG_LMMS
qDebug( "SampleBuffer::decodeSampleSF(): could not load "
"sample %s: %s", _f, sf_strerror( NULL ) );
#endif
}
//write down either directly or convert i->f depending on file type
if ( frames > 0 && _buf != NULL )
{
directFloatWrite ( _buf, frames, _channels);
}
return frames;
}
