From 21c95a82a495f0cf9dfe511f9ef370bae9ac0eeb Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Sat, 9 Mar 2013 09:35:07 -0500
Subject: blocks: moved tagged_file_sink and wavfile source/sink/base to
gr-blocks.
---
gr-blocks/lib/wavfile_source_impl.h | 70 +++++++++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+)
create mode 100644 gr-blocks/lib/wavfile_source_impl.h
(limited to 'gr-blocks/lib/wavfile_source_impl.h')
diff --git a/gr-blocks/lib/wavfile_source_impl.h b/gr-blocks/lib/wavfile_source_impl.h
new file mode 100644
index 0000000000..4875731a08
--- /dev/null
+++ b/gr-blocks/lib/wavfile_source_impl.h
@@ -0,0 +1,70 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2008,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GR_WAVFILE_SOURCE_IMPL_H
+#define INCLUDED_GR_WAVFILE_SOURCE_IMPL_H
+
+#include <blocks/wavfile_source.h>
+#include <cstdio> // for FILE
+
+namespace gr {
+ namespace blocks {
+
+ class wavfile_source_impl : public wavfile_source
+ {
+ private:
+ FILE *d_fp;
+ bool d_repeat;
+
+ unsigned d_sample_rate;
+ int d_nchans;
+ int d_bytes_per_sample;
+ int d_first_sample_pos;
+ unsigned d_samples_per_chan;
+ unsigned d_sample_idx;
+ int d_normalize_shift;
+ int d_normalize_fac;
+
+ /*!
+ * \brief Convert an integer sample value to a float value within [-1;1]
+ */
+ float convert_to_float(short int sample);
+
+ public:
+ wavfile_source_impl(const char *filename, bool repeat);
+ ~wavfile_source_impl();
+
+ unsigned int sample_rate() const { return d_sample_rate; };
+
+ int bits_per_sample() const { return d_bytes_per_sample * 8; };
+
+ int channels() const { return d_nchans; };
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_WAVFILE_SOURCE_IMPL_H */
--
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