summaryrefslogtreecommitdiff
path: root/libavcodec/mathops.h
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/mathops.h')
-rw-r--r--libavcodec/mathops.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h
index 7af13e19e0..87d110b457 100644
--- a/libavcodec/mathops.h
+++ b/libavcodec/mathops.h
@@ -3,20 +3,20 @@
* Copyright (c) 2001, 2002 Fabrice Bellard
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> et al
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MATHOPS_H
@@ -39,8 +39,6 @@ extern const uint8_t ff_zigzag_direct[64];
# include "arm/mathops.h"
#elif ARCH_AVR32
# include "avr32/mathops.h"
-#elif ARCH_BFIN
-# include "bfin/mathops.h"
#elif ARCH_MIPS
# include "mips/mathops.h"
#elif ARCH_PPC
@@ -123,6 +121,20 @@ static inline av_const int mid_pred(int a, int b, int c)
}
#endif
+#ifndef median4
+#define median4 median4
+static inline av_const int median4(int a, int b, int c, int d)
+{
+ if (a < b) {
+ if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2;
+ else return (FFMIN(b, c) + FFMAX(a, d)) / 2;
+ } else {
+ if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2;
+ else return (FFMIN(a, c) + FFMAX(b, d)) / 2;
+ }
+}
+#endif
+
#ifndef sign_extend
static inline av_const int sign_extend(int val, unsigned bits)
{