pcm_byteswap: move code to libutil

1 files changed, 55 insertions, 0 deletions

diff --git a/src/util/byte_reverse.h b/src/util/byte_reverse.h
new file mode 100644
index 000000000..63213d6c2
--- /dev/null
+++ b/src/util/byte_reverse.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2003-2012 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_BYTE_REVERSE_H
+#define MPD_BYTE_REVERSE_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+/**
+ * Reverse the bytes in each 16 bit "frame".  This function can be
+ * used for in-place operation.
+ */
+void
+reverse_bytes_16(uint16_t *dest, const uint16_t *src, const uint16_t *src_end);
+
+/**
+ * Reverse the bytes in each 32 bit "frame".  This function can be
+ * used for in-place operation.
+ */
+void
+reverse_bytes_32(uint32_t *dest, const uint32_t *src, const uint32_t *src_end);
+
+/**
+ * Reverse the bytes in each 64 bit "frame".  This function can be
+ * used for in-place operation.
+ */
+void
+reverse_bytes_64(uint64_t *dest, const uint64_t *src, const uint64_t *src_end);
+
+/**
+ * Reverse the bytes in each "frame".  This function cannot be used
+ * for in-place operation.
+ */
+void
+reverse_bytes(uint8_t *dest, const uint8_t *src, const uint8_t *src_end,
+	      size_t frame_size);
+
+#endif