[FFmpeg-cvslog] r21701 - in trunk/libavcodec/arm: dsputil_armv6.S dsputil_init_armv6.c
mru
subversion
Tue Feb 9 17:13:38 CET 2010
Author: mru
Date: Tue Feb 9 17:13:38 2010
New Revision: 21701
Log:
ARMv6 optimised get_pixels
Modified:
trunk/libavcodec/arm/dsputil_armv6.S
trunk/libavcodec/arm/dsputil_init_armv6.c
Modified: trunk/libavcodec/arm/dsputil_armv6.S
==============================================================================
--- trunk/libavcodec/arm/dsputil_armv6.S Tue Feb 9 17:13:34 2010 (r21700)
+++ trunk/libavcodec/arm/dsputil_armv6.S Tue Feb 9 17:13:38 2010 (r21701)
@@ -287,6 +287,28 @@ function ff_add_pixels_clamped_armv6, ex
pop {r4-r8,pc}
.endfunc
+function ff_get_pixels_armv6, export=1
+ pld [r1, r2]
+ push {r4-r8, lr}
+ mov lr, #8
+1:
+ ldrd r4, r5, [r1], r2
+ subs lr, lr, #1
+ uxtb16 r6, r4
+ uxtb16 r4, r4, ror #8
+ uxtb16 r12, r5
+ uxtb16 r8, r5, ror #8
+ pld [r1, r2]
+ pkhbt r5, r6, r4, lsl #16
+ pkhtb r6, r4, r6, asr #16
+ pkhbt r7, r12, r8, lsl #16
+ pkhtb r12, r8, r12, asr #16
+ stm r0!, {r5,r6,r7,r12}
+ bgt 1b
+
+ pop {r4-r8, pc}
+.endfunc
+
function ff_pix_abs16_armv6, export=1
ldr r0, [sp]
push {r4-r9, lr}
Modified: trunk/libavcodec/arm/dsputil_init_armv6.c
==============================================================================
--- trunk/libavcodec/arm/dsputil_init_armv6.c Tue Feb 9 17:13:34 2010 (r21700)
+++ trunk/libavcodec/arm/dsputil_init_armv6.c Tue Feb 9 17:13:38 2010 (r21701)
@@ -50,6 +50,8 @@ void ff_add_pixels_clamped_armv6(const D
uint8_t *restrict pixels,
int line_size);
+void ff_get_pixels_armv6(DCTELEM *block, const uint8_t *pixels, int stride);
+
int ff_pix_abs16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
int line_size, int h);
int ff_pix_abs16_x2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
@@ -92,6 +94,7 @@ void av_cold ff_dsputil_init_armv6(DSPCo
c->avg_pixels_tab[1][0] = ff_avg_pixels8_armv6;
c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
+ c->get_pixels = ff_get_pixels_armv6;
c->pix_abs[0][0] = ff_pix_abs16_armv6;
c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
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