/*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "config.h"
-#include "libavutil/common.h"
+#include "libavutil/attributes.h"
#ifdef __ARMCC_VERSION
#if HAVE_ARMV6
-#define bswap_16 bswap_16
-static av_always_inline av_const uint16_t bswap_16(uint16_t x)
-{
- __asm { rev16 x, x }
- return x;
-}
-
-#define bswap_32 bswap_32
-static av_always_inline av_const uint32_t bswap_32(uint32_t x)
+#define av_bswap32 av_bswap32
+static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
{
return __rev(x);
}
#endif /* HAVE_ARMV6 */
-#else /* __ARMCC_VERSION */
+#elif HAVE_INLINE_ASM
-#if HAVE_ARMV6
-#define bswap_16 bswap_16
-static av_always_inline av_const uint16_t bswap_16(uint16_t x)
+#if HAVE_ARMV6_INLINE
+#define av_bswap16 av_bswap16
+static av_always_inline av_const unsigned av_bswap16(unsigned x)
{
__asm__("rev16 %0, %0" : "+r"(x));
return x;
}
#endif
-#define bswap_32 bswap_32
-static av_always_inline av_const uint32_t bswap_32(uint32_t x)
+#if !AV_GCC_VERSION_AT_LEAST(4,5)
+#define av_bswap32 av_bswap32
+static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
{
-#if HAVE_ARMV6
+#if HAVE_ARMV6_INLINE
__asm__("rev %0, %0" : "+r"(x));
#else
uint32_t t;
"mov %0, %0, ror #8 \n\t"
"eor %0, %0, %1, lsr #8 \n\t"
: "+r"(x), "=&r"(t));
-#endif /* HAVE_ARMV6 */
+#endif /* HAVE_ARMV6_INLINE */
return x;
}
+#endif /* !AV_GCC_VERSION_AT_LEAST(4,5) */
#endif /* __ARMCC_VERSION */