Merge commit 'e3fcb14347466095839c2a3c47ebecff02da891e'

* commit 'e3fcb14347466095839c2a3c47ebecff02da891e':
  dsputil: Split off IDCT bits into their own context

Conflicts:
	configure
	libavcodec/aic.c
	libavcodec/arm/Makefile
	libavcodec/arm/dsputil_init_arm.c
	libavcodec/arm/dsputil_init_armv6.c
	libavcodec/asvdec.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.c
	libavcodec/dvdec.c
	libavcodec/dxva2_mpeg2.c
	libavcodec/intrax8.c
	libavcodec/mdec.c
	libavcodec/mjpegdec.c
	libavcodec/mjpegenc_common.h
	libavcodec/mpegvideo.c
	libavcodec/ppc/dsputil_altivec.h
	libavcodec/ppc/dsputil_ppc.c
	libavcodec/ppc/idctdsp.c
	libavcodec/x86/Makefile
	libavcodec/x86/dsputil_init.c
	libavcodec/x86/dsputil_mmx.c
	libavcodec/x86/dsputil_x86.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 48 insertions, 0 deletions

diff --git a/libavcodec/arm/idctdsp_armv6.S b/libavcodec/arm/idctdsp_armv6.S
new file mode 100644
index 0000000000..a6e77d6da1
--- /dev/null
+++ b/libavcodec/arm/idctdsp_armv6.S
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * 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
+ */
+
+#include "libavutil/arm/asm.S"
+
+function ff_add_pixels_clamped_armv6, export=1
+        push            {r4-r8,lr}
+        mov             r3,  #8
+1:
+        ldm             r0!, {r4,r5,r12,lr}
+        ldrd            r6,  r7,  [r1]
+        pkhbt           r8,  r4,  r5,  lsl #16
+        pkhtb           r5,  r5,  r4,  asr #16
+        pkhbt           r4,  r12, lr,  lsl #16
+        pkhtb           lr,  lr,  r12, asr #16
+        pld             [r1, r2]
+        uxtab16         r8,  r8,  r6
+        uxtab16         r5,  r5,  r6,  ror #8
+        uxtab16         r4,  r4,  r7
+        uxtab16         lr,  lr,  r7,  ror #8
+        usat16          r8,  #8,  r8
+        usat16          r5,  #8,  r5
+        usat16          r4,  #8,  r4
+        usat16          lr,  #8,  lr
+        orr             r6,  r8,  r5,  lsl #8
+        orr             r7,  r4,  lr,  lsl #8
+        subs            r3,  r3,  #1
+        strd_post       r6,  r7,  r1,  r2
+        bgt             1b
+        pop             {r4-r8,pc}
+endfunc