From 16ef78ade0faf1cbdbdb2dc6c4430fb4996c0323 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 25 Jul 2018 17:46:15 +0200
Subject: Clarify error message when file cannot be created,

The default error is "Not a valid SNDFILE* pointer." which is rather
obscure to end-users.
---
 libs/audiographer/audiographer/sndfile/sndfile_writer.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/audiographer/audiographer/sndfile/sndfile_writer.h b/libs/audiographer/audiographer/sndfile/sndfile_writer.h
index d0049360d2..b106eba6a8 100644
--- a/libs/audiographer/audiographer/sndfile/sndfile_writer.h
+++ b/libs/audiographer/audiographer/sndfile/sndfile_writer.h
@@ -84,6 +84,10 @@ class SndfileWriter
 
 	virtual void init()
 	{
+		if (SF_ERR_NO_ERROR != SndfileHandle::error ()) {
+			throw Exception (*this, boost::str (boost::format
+						("Could create output file (%1%)") % path));
+		}
 		samples_written = 0;
 		add_supported_flag (ProcessContext<T>::EndOfInput);
 	}
-- 
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