1 files changed, 56 insertions, 0 deletions
diff --git a/libs/audiographer/src/sndfile_base.cc b/libs/audiographer/src/sndfile_base.cc
new file mode 100644
index 0000000000..8d12f9341b
--- /dev/null
+++ b/libs/audiographer/src/sndfile_base.cc
@@ -0,0 +1,56 @@
+#include "audiographer/sndfile_base.h"
+#include "audiographer/exception.h"
+
+#include <boost/format.hpp>
+
+namespace AudioGrapher
+{
+
+using std::string;
+using boost::str;
+using boost::format;
+
+/* SndfileWriterBase */
+
+SndfileBase::SndfileBase (ChannelCount channels, nframes_t samplerate, int format, string const & path)
+  : path (path)
+{
+	char errbuf[256];
+
+	sf_info.channels = channels;
+	sf_info.samplerate = samplerate;
+	sf_info.format = format;
+
+	if (!sf_format_check (&sf_info)) {
+		throw Exception (*this, "Invalid format in constructor");
+	}
+
+	if (path.length() == 0) {
+		throw Exception (*this, "No output file specified");
+	}
+
+	/* TODO add checks that the directory path exists, and also
+	   check if we are overwriting an existing file...
+	*/
+
+	// Open file
+	if (path.compare ("temp")) {
+		if ((sndfile = sf_open (path.c_str(), SFM_WRITE, &sf_info)) == 0) {
+			sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+			throw Exception (*this, str (boost::format ("Cannot open output file \"%1%\" (%2%)") % path % errbuf));
+		}
+	} else {
+		FILE * file;
+		if (!(file = tmpfile ())) {
+			throw Exception (*this, "Cannot open tempfile");
+		}
+		sndfile = sf_open_fd (fileno(file), SFM_RDWR, &sf_info, true);
+	}
+}
+
+SndfileBase::~SndfileBase ()
+{
+	sf_close (sndfile);
+}
+
+} // namespace