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#include "audiographer/sndfile_writer.h"
#include "audiographer/exception.h"
#include <cstring>
#include <boost/format.hpp>
namespace AudioGrapher
{
using std::string;
using boost::str;
using boost::format;
template <typename T>
SndfileWriter<T>::SndfileWriter (ChannelCount channels, nframes_t samplerate, int format, string const & path) :
SndfileBase (channels, samplerate, format, path)
{
// init write function
init ();
}
template <>
void
SndfileWriter<float>::init ()
{
write_func = &sf_write_float;
}
template <>
void
SndfileWriter<int>::init ()
{
write_func = &sf_write_int;
}
template <>
void
SndfileWriter<short>::init ()
{
write_func = &sf_write_short;
}
template <typename T>
void
SndfileWriter<T>::process (ProcessContext<T> const & c)
{
if (c.channels() != sf_info.channels) {
throw Exception (*this, str (boost::format(
"Wrong number of channels given to process(), %1% instead of %2%")
% c.channels() % sf_info.channels));
}
char errbuf[256];
nframes_t written = (*write_func) (sndfile, c.data(), c.frames());
if (written != c.frames()) {
sf_error_str (sndfile, errbuf, sizeof (errbuf) - 1);
throw Exception (*this, str ( format("Could not write data to output file (%1%)") % errbuf));
}
if (c.has_flag(ProcessContext<T>::EndOfInput)) {
sf_write_sync (sndfile);
//#ifdef HAVE_SIGCPP
FileWritten (path);
//#endif
}
}
template class SndfileWriter<short>;
template class SndfileWriter<int>;
template class SndfileWriter<float>;
} // namespace
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