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authorRonald S. Bultje <rsbultje@gmail.com>2012-12-15 09:46:02 -0800
committerLuca Barbato <lu_zero@gentoo.org>2012-12-20 13:40:45 +0100
commit8c53d39e7f0604127bfc96fa1182c8abe3847ac6 (patch)
tree18495cabf7f0e6d365871d3407f2534f2b80b653 /libavcodec/arm/videodsp_armv5te.S
parenta925f723a915bc0255e2673f8817af5212131763 (diff)
lavc: introduce VideoDSPContext
Move some functions from dsputil. The idea is that videodsp contains functions that are useful for a large and varied set of video decoders. Currently, it contains emulated_edge_mc() and prefetch(). Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'libavcodec/arm/videodsp_armv5te.S')
-rw-r--r--libavcodec/arm/videodsp_armv5te.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/libavcodec/arm/videodsp_armv5te.S b/libavcodec/arm/videodsp_armv5te.S
new file mode 100644
index 0000000000..96e92d5a73
--- /dev/null
+++ b/libavcodec/arm/videodsp_armv5te.S
@@ -0,0 +1,33 @@
+@
+@ ARMv5te optimized DSP utils
+@ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
+@
+@ This file is part of Libav.
+@
+@ 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.
+@
+@ 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 Libav; if not, write to the Free Software
+@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+@
+
+#include "config.h"
+#include "libavutil/arm/asm.S"
+
+#if HAVE_ARMV5TE_EXTERNAL
+function ff_prefetch_arm, export=1
+ subs r2, r2, #1
+ pld [r0]
+ add r0, r0, r1
+ bne ff_prefetch_arm
+ bx lr
+endfunc
+#endif