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authorMåns Rullgård <mans@mansr.com>2010-02-09 16:13:34 +0000
committerMåns Rullgård <mans@mansr.com>2010-02-09 16:13:34 +0000
commitd2578ff9f1eeec2b31a807d03af5efed2669f71c (patch)
treeb846c10fd6db994f0819e72329d6a4812d7c15e3 /libavcodec
parent74cc33c2354c24986dc5332a7aeb1a9516a1d0c5 (diff)
downloadffmpeg-d2578ff9f1eeec2b31a807d03af5efed2669f71c.tar.gz
ARMv6 optimised pix_abs8
Originally committed as revision 21700 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/arm/dsputil_armv6.S30
-rw-r--r--libavcodec/arm/dsputil_init_armv6.c6
2 files changed, 36 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_armv6.S b/libavcodec/arm/dsputil_armv6.S
index 5f4f5e43c9..2efa3d5983 100644
--- a/libavcodec/arm/dsputil_armv6.S
+++ b/libavcodec/arm/dsputil_armv6.S
@@ -428,3 +428,33 @@ function ff_pix_abs16_y2_armv6, export=1
pop {r4-r11, pc}
.endfunc
+
+function ff_pix_abs8_armv6, export=1
+ pld [r2, r3]
+ ldr r12, [sp]
+ push {r4-r9, lr}
+ mov r0, #0
+ mov lr, #0
+ ldrd r4, r5, [r1], r3
+1:
+ subs r12, r12, #2
+ ldr r7, [r2, #4]
+ ldr r6, [r2], r3
+ ldrd r8, r9, [r1], r3
+ usada8 r0, r4, r6, r0
+ pld [r2, r3]
+ usada8 lr, r5, r7, lr
+ ldr r7, [r2, #4]
+ ldr r6, [r2], r3
+ beq 2f
+ ldrd r4, r5, [r1], r3
+ usada8 r0, r8, r6, r0
+ pld [r2, r3]
+ usada8 lr, r9, r7, lr
+ b 1b
+2:
+ usada8 r0, r8, r6, r0
+ usada8 lr, r9, r7, lr
+ add r0, r0, lr
+ pop {r4-r9, pc}
+.endfunc
diff --git a/libavcodec/arm/dsputil_init_armv6.c b/libavcodec/arm/dsputil_init_armv6.c
index 83c1ea8716..972e743ed6 100644
--- a/libavcodec/arm/dsputil_init_armv6.c
+++ b/libavcodec/arm/dsputil_init_armv6.c
@@ -57,6 +57,9 @@ int ff_pix_abs16_x2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
int ff_pix_abs16_y2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
int line_size, int h);
+int ff_pix_abs8_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
+ int line_size, int h);
+
void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
{
if (!avctx->lowres && (avctx->idct_algo == FF_IDCT_AUTO ||
@@ -94,5 +97,8 @@ void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
+ c->pix_abs[1][0] = ff_pix_abs8_armv6;
+
c->sad[0] = ff_pix_abs16_armv6;
+ c->sad[1] = ff_pix_abs8_armv6;
}