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Convert InputSource to SampleSource interface

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This commit is contained in:
Mike Walters
2015-11-08 20:43:13 +00:00
committed by Mike
parent 7c7ff6edd6
commit c83892d432
6 changed files with 20 additions and 20 deletions
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8
inputsource.cpp
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@@ -36,9 +36,9 @@ InputSource::InputSource(const char *filename) {
if (fstat(fileno(m_file), &sb) != 0)
throw std::runtime_error("Error fstating file");
m_file_size = sb.st_size;
sampleCount = m_file_size / sizeof(fftwf_complex);
sampleCount = m_file_size / sizeof(std::complex<float>);
m_data = (fftwf_complex*)mmap(NULL, m_file_size, PROT_READ, MAP_SHARED, fileno(m_file), 0);
m_data = (std::complex<float>*)mmap(NULL, m_file_size, PROT_READ, MAP_SHARED, fileno(m_file), 0);
if (m_data == 0)
throw std::runtime_error("Error mmapping file");
}
@@ -48,7 +48,7 @@ InputSource::~InputSource() {
fclose(m_file);
}
bool InputSource::getSamples(fftwf_complex *dest, off_t start, int length)
bool InputSource::getSamples(std::complex<float> *dest, off_t start, off_t length)
{
if(start < 0 || length < 0)
return false;
@@ -56,6 +56,6 @@ bool InputSource::getSamples(fftwf_complex *dest, off_t start, int length)
if (start + length >= sampleCount)
return false;
memcpy(dest, &m_data[start], length * sizeof(fftwf_complex));
memcpy(dest, &m_data[start], length * sizeof(std::complex<float>));
return true;
}