8da27200d1
- Fix filename handling when exporting multiple files - Some updates to audiographer git-svn-id: svn://localhost/ardour2/branches/3.0@6402 d708f5d6-7413-0410-9779-e7cbd77b26cf
68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
#include "audiographer/sndfile_reader.h"
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#include <boost/format.hpp>
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#include "audiographer/exception.h"
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namespace AudioGrapher
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{
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template<typename T>
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SndfileReader<T>::SndfileReader (ChannelCount channels, nframes_t samplerate, int format, std::string path)
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: SndfileBase (channels, samplerate, format, path)
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{
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init ();
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}
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template<typename T>
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nframes_t
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SndfileReader<T>::seek (nframes_t frames, SeekType whence)
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{
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return sf_seek (sndfile, frames, whence);
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}
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template<typename T>
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nframes_t
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SndfileReader<T>::read (ProcessContext<T> & context)
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{
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if (context.channels() != sf_info.channels) {
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throw Exception (*this, boost::str (boost::format (
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"ProcessContext given to read() has a wrong amount of channels: %1% instead of %2%")
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% context.channels() % sf_info.channels));
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}
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nframes_t frames_read = (*read_func) (sndfile, context.data(), context.frames());
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if (frames_read < context.frames()) {
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context.frames() = frames_read;
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context.set_flag (ProcessContext<T>::EndOfInput);
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}
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output (context);
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return frames_read;
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}
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template<>
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void
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SndfileReader<short>::init()
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{
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read_func = &sf_read_short;
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}
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template<>
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void
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SndfileReader<int>::init()
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{
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read_func = &sf_read_int;
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}
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template<>
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void
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SndfileReader<float>::init()
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{
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read_func = &sf_read_float;
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}
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template class SndfileReader<short>;
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template class SndfileReader<int>;
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template class SndfileReader<float>;
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} // namespace
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