Create export temporary files in the export directory

git-svn-id: svn://localhost/ardour2/branches/3.0@13371 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 21 insertions, 3 deletions

diff --git a/libs/audiographer/audiographer/sndfile/tmp_file.h b/libs/audiographer/audiographer/sndfile/tmp_file.h
index a4e7b2679a..8655fd7191 100644
--- a/libs/audiographer/audiographer/sndfile/tmp_file.h
+++ b/libs/audiographer/audiographer/sndfile/tmp_file.h
@@ -1,6 +1,9 @@
 #ifndef AUDIOGRAPHER_TMP_FILE_H
 #define AUDIOGRAPHER_TMP_FILE_H
 
+#include <cstdio>
+#include <string>
+
 #include "sndfile_writer.h"
 #include "sndfile_reader.h"
 
@@ -12,14 +15,29 @@ template<typename T = DefaultSampleType>
 class TmpFile : public SndfileWriter<T>, public SndfileReader<T>
 {
   public:
-	
+
+	/// \a filename_template must match the requirements for mkstemp, i.e. end in "XXXXXX"
+	TmpFile (char * filename_template, int format, ChannelCount channels, framecnt_t samplerate)
+		: SndfileHandle (mkstemp(filename_template), true, SndfileBase::ReadWrite, format, channels, samplerate)
+		, filename (filename_template)
+	{}
+
 	TmpFile (int format, ChannelCount channels, framecnt_t samplerate)
 	  : SndfileHandle (fileno (tmpfile()), true, SndfileBase::ReadWrite, format, channels, samplerate)
 	{}
-	
+
 	TmpFile (TmpFile const & other) : SndfileHandle (other) {}
 	using SndfileHandle::operator=;
-	
+
+	~TmpFile()
+	{
+		if (!filename.empty()) {
+			std::remove(filename.c_str());
+		}
+	}
+
+  private:
+	std::string filename;
 };
 
 } // namespace