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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-07-19 16:42:19 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-07-19 17:15:21 +0100
commit05693e2d5d760e818fb7382f9bd528026f16aa51 (patch)
treea2f9cbcafda5f17f253367225e4a1bc37d4859dc /src/pcm_byteswap.h
parent37754559b8f934ce8d554e0d9f976d4f6eb376d9 (diff)
downloadmpd-05693e2d5d760e818fb7382f9bd528026f16aa51.tar.gz
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Add reverse_endian field to struct audio_format and handle conversion
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-rw-r--r--src/pcm_byteswap.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/pcm_byteswap.h b/src/pcm_byteswap.h
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+++ b/src/pcm_byteswap.h
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+/*
+ * Copyright (C) 2003-2009 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_BYTESWAP_H
+#define MPD_PCM_BYTESWAP_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+struct pcm_buffer;
+
+/**
+ * Changes the endianness of 16 bit PCM data.
+ *
+ * @param buffer the destination pcm_buffer object
+ * @param src the source PCM buffer
+ * @param src_size the number of bytes in #src
+ * @return the destination buffer
+ */
+const int16_t *pcm_byteswap_16(struct pcm_buffer *buffer,
+ const int16_t *src, size_t len);
+
+/**
+ * Changes the endianness of 32-bit (or 24-bit) PCM data.
+ *
+ * @param buffer the destination pcm_buffer object
+ * @param src the source PCM buffer
+ * @param src_size the number of bytes in #src
+ * @return the destination buffer
+ */
+const int32_t *pcm_byteswap_32(struct pcm_buffer *buffer,
+ const int32_t *src, size_t len);
+
+#endif