pcm/PcmFormat: move generic definitions to Traits.hxx

Makefile.am

@@ -326,6 +326,7 @@ libevent_a_SOURCES = \
 # PCM library
 
 libpcm_a_SOURCES = \
+	src/pcm/Traits.hxx \
 	src/pcm/PcmBuffer.cxx src/pcm/PcmBuffer.hxx \
 	src/pcm/PcmExport.cxx src/pcm/PcmExport.hxx \
 	src/pcm/PcmConvert.cxx src/pcm/PcmConvert.hxx \

src/pcm/PcmFormat.cxx

@@ -22,51 +22,7 @@
 #include "PcmDither.hxx"
 #include "PcmBuffer.hxx"
 #include "PcmUtils.hxx"
-
-#include <type_traits>
-
-template<SampleFormat F>
-struct SampleTraits {};
-
-template<>
-struct SampleTraits<SampleFormat::S8> {
-	typedef int8_t value_type;
-	typedef value_type *pointer_type;
-	typedef const value_type *const_pointer_type;
-
-	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
-	static constexpr unsigned BITS = sizeof(value_type) * 8;
-};
-
-template<>
-struct SampleTraits<SampleFormat::S16> {
-	typedef int16_t value_type;
-	typedef value_type *pointer_type;
-	typedef const value_type *const_pointer_type;
-
-	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
-	static constexpr unsigned BITS = sizeof(value_type) * 8;
-};
-
-template<>
-struct SampleTraits<SampleFormat::S32> {
-	typedef int32_t value_type;
-	typedef value_type *pointer_type;
-	typedef const value_type *const_pointer_type;
-
-	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
-	static constexpr unsigned BITS = sizeof(value_type) * 8;
-};
-
-template<>
-struct SampleTraits<SampleFormat::S24_P32> {
-	typedef int32_t value_type;
-	typedef value_type *pointer_type;
-	typedef const value_type *const_pointer_type;
-
-	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
-	static constexpr unsigned BITS = 24;
-};
+#include "Traits.hxx"
 
 static void
 pcm_convert_8_to_16(int16_t *out, const int8_t *in, const int8_t *in_end)

src/pcm/Traits.hxx

+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_PCM_TRAITS_HXX
+#define MPD_PCM_TRAITS_HXX
+
+#include "check.h"
+#include "AudioFormat.hxx"
+
+#include <stdint.h>
+
+template<SampleFormat F>
+struct SampleTraits {};
+
+template<>
+struct SampleTraits<SampleFormat::S8> {
+	typedef int8_t value_type;
+	typedef value_type *pointer_type;
+	typedef const value_type *const_pointer_type;
+
+	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
+	static constexpr unsigned BITS = sizeof(value_type) * 8;
+};
+
+template<>
+struct SampleTraits<SampleFormat::S16> {
+	typedef int16_t value_type;
+	typedef value_type *pointer_type;
+	typedef const value_type *const_pointer_type;
+
+	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
+	static constexpr unsigned BITS = sizeof(value_type) * 8;
+};
+
+template<>
+struct SampleTraits<SampleFormat::S32> {
+	typedef int32_t value_type;
+	typedef value_type *pointer_type;
+	typedef const value_type *const_pointer_type;
+
+	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
+	static constexpr unsigned BITS = sizeof(value_type) * 8;
+};
+
+template<>
+struct SampleTraits<SampleFormat::S24_P32> {
+	typedef int32_t value_type;
+	typedef value_type *pointer_type;
+	typedef const value_type *const_pointer_type;
+
+	static constexpr size_t SAMPLE_SIZE = sizeof(value_type);
+	static constexpr unsigned BITS = 24;
+};
+
+#endif