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-rw-r--r--vp8/encoder/arm/arm_csystemdependent.c8
-rw-r--r--vp8/encoder/arm/armv6/vp8_subtract_armv6.asm265
-rw-r--r--vp8/encoder/arm/encodemb_arm.h18
-rw-r--r--vp8/encoder/asm_enc_offsets.c8
-rw-r--r--vp8/vp8cx_arm.mk1
5 files changed, 296 insertions, 4 deletions
diff --git a/vp8/encoder/arm/arm_csystemdependent.c b/vp8/encoder/arm/arm_csystemdependent.c
index d4a88dc94..f148b8997 100644
--- a/vp8/encoder/arm/arm_csystemdependent.c
+++ b/vp8/encoder/arm/arm_csystemdependent.c
@@ -66,10 +66,10 @@ void vp8_arch_arm_encoder_init(VP8_COMP *cpi)
/*cpi->rtcd.encodemb.berr = vp8_block_error_c;
cpi->rtcd.encodemb.mberr = vp8_mbblock_error_c;
- cpi->rtcd.encodemb.mbuverr = vp8_mbuverror_c;
- cpi->rtcd.encodemb.subb = vp8_subtract_b_c;
- cpi->rtcd.encodemb.submby = vp8_subtract_mby_c;
- cpi->rtcd.encodemb.submbuv = vp8_subtract_mbuv_c;*/
+ cpi->rtcd.encodemb.mbuverr = vp8_mbuverror_c;*/
+ cpi->rtcd.encodemb.subb = vp8_subtract_b_armv6;
+ cpi->rtcd.encodemb.submby = vp8_subtract_mby_armv6;
+ cpi->rtcd.encodemb.submbuv = vp8_subtract_mbuv_armv6;
/*cpi->rtcd.quantize.quantb = vp8_regular_quantize_b;*/
cpi->rtcd.quantize.fastquantb = vp8_fast_quantize_b_armv6;
diff --git a/vp8/encoder/arm/armv6/vp8_subtract_armv6.asm b/vp8/encoder/arm/armv6/vp8_subtract_armv6.asm
new file mode 100644
index 000000000..0ca74387b
--- /dev/null
+++ b/vp8/encoder/arm/armv6/vp8_subtract_armv6.asm
@@ -0,0 +1,265 @@
+;
+; Copyright (c) 2011 The WebM project authors. All Rights Reserved.
+;
+; Use of this source code is governed by a BSD-style license
+; that can be found in the LICENSE file in the root of the source
+; tree. An additional intellectual property rights grant can be found
+; in the file PATENTS. All contributing project authors may
+; be found in the AUTHORS file in the root of the source tree.
+;
+
+
+ EXPORT |vp8_subtract_mby_armv6|
+ EXPORT |vp8_subtract_mbuv_armv6|
+ EXPORT |vp8_subtract_b_armv6|
+
+ INCLUDE asm_enc_offsets.asm
+
+ ARM
+ REQUIRE8
+ PRESERVE8
+
+ AREA ||.text||, CODE, READONLY, ALIGN=2
+
+; r0 BLOCK *be
+; r1 BLOCKD *bd
+; r2 int pitch
+|vp8_subtract_b_armv6| PROC
+
+ stmfd sp!, {r4-r9}
+
+ ldr r4, [r0, #vp8_block_base_src]
+ ldr r5, [r0, #vp8_block_src]
+ ldr r6, [r0, #vp8_block_src_diff]
+
+ ldr r3, [r4]
+ ldr r7, [r0, #vp8_block_src_stride]
+ add r3, r3, r5 ; src = *base_src + src
+ ldr r8, [r1, #vp8_blockd_predictor]
+
+ mov r9, #4 ; loop count
+
+loop_block
+
+ ldr r0, [r3], r7 ; src
+ ldr r1, [r8], r2 ; pred
+
+ uxtb16 r4, r0 ; [s2 | s0]
+ uxtb16 r5, r1 ; [p2 | p0]
+ uxtb16 r0, r0, ror #8 ; [s3 | s1]
+ uxtb16 r1, r1, ror #8 ; [p3 | p1]
+
+ usub16 r4, r4, r5 ; [d2 | d0]
+ usub16 r5, r0, r1 ; [d3 | d1]
+
+ subs r9, r9, #1 ; decrement loop counter
+
+ pkhbt r0, r4, r5, lsl #16 ; [d1 | d0]
+ pkhtb r1, r5, r4, asr #16 ; [d3 | d2]
+
+ str r0, [r6, #0] ; diff
+ str r1, [r6, #4] ; diff
+
+ add r6, r6, r2, lsl #1 ; update diff pointer
+ bne loop_block
+
+ ldmfd sp!, {r4-r9}
+ mov pc, lr
+
+ ENDP
+
+
+; r0 short *diff
+; r1 unsigned char *usrc
+; r2 unsigned char *vsrc
+; r3 unsigned char *pred
+; stack int stride
+|vp8_subtract_mbuv_armv6| PROC
+
+ stmfd sp!, {r4-r12, lr}
+
+ add r0, r0, #512 ; set *diff point to Cb
+ add r3, r3, #256 ; set *pred point to Cb
+
+ mov r4, #8 ; loop count
+ ldr r5, [sp, #40] ; stride
+
+ ; Subtract U block
+loop_u
+ ldr r6, [r1] ; src (A)
+ ldr r7, [r3], #4 ; pred (A)
+
+ uxtb16 r8, r6 ; [s2 | s0] (A)
+ uxtb16 r9, r7 ; [p2 | p0] (A)
+ uxtb16 r10, r6, ror #8 ; [s3 | s1] (A)
+ uxtb16 r11, r7, ror #8 ; [p3 | p1] (A)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (A)
+ usub16 r7, r10, r11 ; [d3 | d1] (A)
+
+ ldr r10, [r1, #4] ; src (B)
+ ldr r11, [r3], #4 ; pred (B)
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (A)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (A)
+
+ str r8, [r0], #4 ; diff (A)
+ uxtb16 r8, r10 ; [s2 | s0] (B)
+ str r9, [r0], #4 ; diff (A)
+
+ uxtb16 r9, r11 ; [p2 | p0] (B)
+ uxtb16 r10, r10, ror #8 ; [s3 | s1] (B)
+ uxtb16 r11, r11, ror #8 ; [p3 | p1] (B)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (B)
+ usub16 r7, r10, r11 ; [d3 | d1] (B)
+
+ add r1, r1, r5 ; update usrc pointer
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (B)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (B)
+
+ str r8, [r0], #4 ; diff (B)
+ subs r4, r4, #1 ; update loop counter
+ str r9, [r0], #4 ; diff (B)
+
+ bne loop_u
+
+ mov r4, #8 ; loop count
+
+ ; Subtract V block
+loop_v
+ ldr r6, [r2] ; src (A)
+ ldr r7, [r3], #4 ; pred (A)
+
+ uxtb16 r8, r6 ; [s2 | s0] (A)
+ uxtb16 r9, r7 ; [p2 | p0] (A)
+ uxtb16 r10, r6, ror #8 ; [s3 | s1] (A)
+ uxtb16 r11, r7, ror #8 ; [p3 | p1] (A)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (A)
+ usub16 r7, r10, r11 ; [d3 | d1] (A)
+
+ ldr r10, [r2, #4] ; src (B)
+ ldr r11, [r3], #4 ; pred (B)
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (A)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (A)
+
+ str r8, [r0], #4 ; diff (A)
+ uxtb16 r8, r10 ; [s2 | s0] (B)
+ str r9, [r0], #4 ; diff (A)
+
+ uxtb16 r9, r11 ; [p2 | p0] (B)
+ uxtb16 r10, r10, ror #8 ; [s3 | s1] (B)
+ uxtb16 r11, r11, ror #8 ; [p3 | p1] (B)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (B)
+ usub16 r7, r10, r11 ; [d3 | d1] (B)
+
+ add r2, r2, r5 ; update vsrc pointer
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (B)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (B)
+
+ str r8, [r0], #4 ; diff (B)
+ subs r4, r4, #1 ; update loop counter
+ str r9, [r0], #4 ; diff (B)
+
+ bne loop_v
+
+ ldmfd sp!, {r4-r12, pc}
+
+ ENDP
+
+
+; r0 short *diff
+; r1 unsigned char *src
+; r2 unsigned char *pred
+; r3 int stride
+|vp8_subtract_mby_armv6| PROC
+
+ stmfd sp!, {r4-r11}
+
+ mov r4, #16
+loop
+ ldr r6, [r1] ; src (A)
+ ldr r7, [r2], #4 ; pred (A)
+
+ uxtb16 r8, r6 ; [s2 | s0] (A)
+ uxtb16 r9, r7 ; [p2 | p0] (A)
+ uxtb16 r10, r6, ror #8 ; [s3 | s1] (A)
+ uxtb16 r11, r7, ror #8 ; [p3 | p1] (A)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (A)
+ usub16 r7, r10, r11 ; [d3 | d1] (A)
+
+ ldr r10, [r1, #4] ; src (B)
+ ldr r11, [r2], #4 ; pred (B)
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (A)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (A)
+
+ str r8, [r0], #4 ; diff (A)
+ uxtb16 r8, r10 ; [s2 | s0] (B)
+ str r9, [r0], #4 ; diff (A)
+
+ uxtb16 r9, r11 ; [p2 | p0] (B)
+ uxtb16 r10, r10, ror #8 ; [s3 | s1] (B)
+ uxtb16 r11, r11, ror #8 ; [p3 | p1] (B)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (B)
+ usub16 r7, r10, r11 ; [d3 | d1] (B)
+
+ ldr r10, [r1, #8] ; src (C)
+ ldr r11, [r2], #4 ; pred (C)
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (B)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (B)
+
+ str r8, [r0], #4 ; diff (B)
+ uxtb16 r8, r10 ; [s2 | s0] (C)
+ str r9, [r0], #4 ; diff (B)
+
+ uxtb16 r9, r11 ; [p2 | p0] (C)
+ uxtb16 r10, r10, ror #8 ; [s3 | s1] (C)
+ uxtb16 r11, r11, ror #8 ; [p3 | p1] (C)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (C)
+ usub16 r7, r10, r11 ; [d3 | d1] (C)
+
+ ldr r10, [r1, #12] ; src (D)
+ ldr r11, [r2], #4 ; pred (D)
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (C)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (C)
+
+ str r8, [r0], #4 ; diff (C)
+ uxtb16 r8, r10 ; [s2 | s0] (D)
+ str r9, [r0], #4 ; diff (C)
+
+ uxtb16 r9, r11 ; [p2 | p0] (D)
+ uxtb16 r10, r10, ror #8 ; [s3 | s1] (D)
+ uxtb16 r11, r11, ror #8 ; [p3 | p1] (D)
+
+ usub16 r6, r8, r9 ; [d2 | d0] (D)
+ usub16 r7, r10, r11 ; [d3 | d1] (D)
+
+ add r1, r1, r3 ; update src pointer
+
+ pkhbt r8, r6, r7, lsl #16 ; [d1 | d0] (D)
+ pkhtb r9, r7, r6, asr #16 ; [d3 | d2] (D)
+
+ str r8, [r0], #4 ; diff (D)
+ subs r4, r4, #1 ; update loop counter
+ str r9, [r0], #4 ; diff (D)
+
+ bne loop
+
+ ldmfd sp!, {r4-r11}
+ mov pc, lr
+
+ ENDP
+
+ END
+
diff --git a/vp8/encoder/arm/encodemb_arm.h b/vp8/encoder/arm/encodemb_arm.h
index 8fe453735..bf417fe1d 100644
--- a/vp8/encoder/arm/encodemb_arm.h
+++ b/vp8/encoder/arm/encodemb_arm.h
@@ -12,6 +12,24 @@
#ifndef ENCODEMB_ARM_H
#define ENCODEMB_ARM_H
+#if HAVE_ARMV6
+extern prototype_subb(vp8_subtract_b_armv6);
+extern prototype_submby(vp8_subtract_mby_armv6);
+extern prototype_submbuv(vp8_subtract_mbuv_armv6);
+
+#if !CONFIG_RUNTIME_CPU_DETECT
+#undef vp8_encodemb_subb
+#define vp8_encodemb_subb vp8_subtract_b_armv6
+
+#undef vp8_encodemb_submby
+#define vp8_encodemb_submby vp8_subtract_mby_armv6
+
+#undef vp8_encodemb_submbuv
+#define vp8_encodemb_submbuv vp8_subtract_mbuv_armv6
+#endif
+
+#endif /* HAVE_ARMV6 */
+
#if HAVE_ARMV7
//extern prototype_berr(vp8_block_error_c);
//extern prototype_mberr(vp8_mbblock_error_c);
diff --git a/vp8/encoder/asm_enc_offsets.c b/vp8/encoder/asm_enc_offsets.c
index c7983c1b0..9c81c8d0a 100644
--- a/vp8/encoder/asm_enc_offsets.c
+++ b/vp8/encoder/asm_enc_offsets.c
@@ -48,6 +48,14 @@ DEFINE(vp8_blockd_dequant, offsetof(BLOCKD, dequant));
DEFINE(vp8_blockd_dqcoeff, offsetof(BLOCKD, dqcoeff));
DEFINE(vp8_blockd_eob, offsetof(BLOCKD, eob));
+// subtract
+DEFINE(vp8_block_base_src, offsetof(BLOCK, base_src));
+DEFINE(vp8_block_src, offsetof(BLOCK, src));
+DEFINE(vp8_block_src_diff, offsetof(BLOCK, src_diff));
+DEFINE(vp8_block_src_stride, offsetof(BLOCK, src_stride));
+
+DEFINE(vp8_blockd_predictor, offsetof(BLOCKD, predictor));
+
//pack tokens
DEFINE(vp8_writer_lowvalue, offsetof(vp8_writer, lowvalue));
DEFINE(vp8_writer_range, offsetof(vp8_writer, range));
diff --git a/vp8/vp8cx_arm.mk b/vp8/vp8cx_arm.mk
index 349c3fd98..179afa83e 100644
--- a/vp8/vp8cx_arm.mk
+++ b/vp8/vp8cx_arm.mk
@@ -34,6 +34,7 @@ VP8_CX_SRCS-$(HAVE_ARMV5TE) += encoder/arm/armv5te/vp8_packtokens_partitions_ar
#File list for armv6
# encoder
+VP8_CX_SRCS-$(HAVE_ARMV6) += encoder/arm/armv6/vp8_subtract_armv6$(ASM)
VP8_CX_SRCS-$(HAVE_ARMV6) += encoder/arm/armv6/vp8_fast_fdct4x4_armv6$(ASM)
VP8_CX_SRCS-$(HAVE_ARMV6) += encoder/arm/armv6/vp8_fast_quantize_b_armv6$(ASM)
VP8_CX_SRCS-$(HAVE_ARMV6) += encoder/arm/armv6/vp8_sad16x16_armv6$(ASM)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-13 21:20:29 +0000