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#ifndef AUDIOGRAPHER_TMP_FILE_SYNC_H
#define AUDIOGRAPHER_TMP_FILE_SYNC_H
#include <cstdio>
#include <string>
#include <glib.h>
#include "pbd/gstdio_compat.h"
#include "sndfile_writer.h"
#include "sndfile_reader.h"
#include "tmp_file.h"
namespace AudioGrapher
{
/// A temporary file deleted after this class is destructed
template<typename T = DefaultSampleType>
class TmpFileSync
: public TmpFile<T>
{
public:
/// \a filename_template must match the requirements for mkstemp, i.e. end in "XXXXXX"
TmpFileSync (char * filename_template, int format, ChannelCount channels, framecnt_t samplerate)
: SndfileHandle (g_mkstemp(filename_template), true, SndfileBase::ReadWrite, format, channels, samplerate)
, filename (filename_template)
{}
TmpFileSync (int format, ChannelCount channels, framecnt_t samplerate)
: SndfileHandle (fileno (tmpfile()), true, SndfileBase::ReadWrite, format, channels, samplerate)
{}
TmpFileSync (TmpFileSync const & other) : SndfileHandle (other) {}
using SndfileHandle::operator=;
~TmpFileSync()
{
/* explicitly close first, some OS (yes I'm looking at you windows)
* cannot delete files that are still open
*/
if (!filename.empty()) {
SndfileBase::close();
std::remove(filename.c_str());
}
}
void process (ProcessContext<T> const & c)
{
SndfileWriter<T>::process (c);
if (c.has_flag(ProcessContext<T>::EndOfInput)) {
TmpFile<T>::FileFlushed ();
}
}
using Sink<T>::process;
private:
std::string filename;
};
} // namespace
#endif // AUDIOGRAPHER_TMP_FILE_SYNC_H
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