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Diffstat (limited to 'lib/ffmpeg/libavutil/sh4/bswap.h')
-rw-r--r--lib/ffmpeg/libavutil/sh4/bswap.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/ffmpeg/libavutil/sh4/bswap.h b/lib/ffmpeg/libavutil/sh4/bswap.h
new file mode 100644
index 0000000000..48dd27f806
--- /dev/null
+++ b/lib/ffmpeg/libavutil/sh4/bswap.h
@@ -0,0 +1,48 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * byte swapping routines
+ */
+
+#ifndef AVUTIL_SH4_BSWAP_H
+#define AVUTIL_SH4_BSWAP_H
+
+#include <stdint.h>
+#include "config.h"
+#include "libavutil/attributes.h"
+
+#define av_bswap16 av_bswap16
+static av_always_inline av_const uint16_t av_bswap16(uint16_t x)
+{
+ __asm__("swap.b %0,%0" : "+r"(x));
+ return x;
+}
+
+#define av_bswap32 av_bswap32
+static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
+{
+ __asm__("swap.b %0,%0\n"
+ "swap.w %0,%0\n"
+ "swap.b %0,%0\n"
+ : "+r"(x));
+ return x;
+}
+
+#endif /* AVUTIL_SH4_BSWAP_H */