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followup arm patch 

make the arm asm detokenizer work with the new structures

Change-Id: I7cd92c2a018ec24032bb1cfd1bb9739bc84b444a
This commit is contained in:
Johann 2010-08-26 16:11:30 -04:00
Родитель e85e631504
Коммит 0b94f5d6e8
4 изменённых файлов: 54 добавлений и 64 удалений
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6
vp8/common/arm/vpx_asm_offsets.c
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@ -55,11 +55,11 @@ DEFINE(mb_up_available, offsetof(MACROBLOCKD, up_availab
DEFINE(mb_left_available, offsetof(MACROBLOCKD, left_available));
DEFINE(detok_scan, offsetof(DETOK, scan));
DEFINE(detok_ptr_onyxblock2context_leftabove, offsetof(DETOK, ptr_onyxblock2context_leftabove));
DEFINE(detok_onyx_coef_tree_ptr, offsetof(DETOK, vp8_coef_tree_ptr));
DEFINE(detok_ptr_block2leftabove, offsetof(DETOK, ptr_block2leftabove));
DEFINE(detok_coef_tree_ptr, offsetof(DETOK, vp8_coef_tree_ptr));
DEFINE(detok_teb_base_ptr, offsetof(DETOK, teb_base_ptr));
DEFINE(detok_norm_ptr, offsetof(DETOK, norm_ptr));
DEFINE(detok_ptr_onyx_coef_bands_x, offsetof(DETOK, ptr_onyx_coef_bands_x));
DEFINE(detok_ptr_coef_bands_x, offsetof(DETOK, ptr_coef_bands_x));
DEFINE(detok_A, offsetof(DETOK, A));
DEFINE(detok_L, offsetof(DETOK, L));

89
vp8/decoder/arm/detokenize.asm
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@ -28,8 +28,7 @@ l_stacksize EQU 64
;; constant offsets -- these should be created at build time
c_onyxblock2left_offset EQU 25
c_onyxblock2above_offset EQU 50
c_block2above_offset EQU 25
c_entropy_nodes EQU 11
c_dct_eob_token EQU 11
@ -42,12 +41,12 @@ c_dct_eob_token EQU 11
ldr r1, [r9, #detok_current_bc]
ldr r0, [r9, #detok_qcoeff_start_ptr]
mov r11, #0 ; i
mov r3, #0x10 ; stop
mov r3, #16 ; stop
cmp r7, #1 ; type ?= 1
addeq r11, r11, #24 ; i = 24
addeq r3, r3, #8 ; stop = 24
addeq r0, r0, #3, 24 ; qcoefptr += 24*16 ?CHECKME
addeq r0, r0, #3, 24 ; qcoefptr += 24*16
str r0, [sp, #l_qcoeff]
str r11, [sp, #l_i]
@ -59,61 +58,50 @@ c_dct_eob_token EQU 11
ldr r8, [r1, #bool_decoder_user_buffer]
ldr r10, [lr, #detok_coef_probs] ; coef_probs[type]
ldr r10, [lr, #detok_coef_probs]
ldr r5, [r1, #bool_decoder_count]
ldr r6, [r1, #bool_decoder_range]
ldr r4, [r1, #bool_decoder_value]
str r10, [sp, #l_coef_ptr]
;align 4
BLOCK_LOOP
ldr r3, [r9, #detok_ptr_onyxblock2context_leftabove]
ldr r2, [r9, #detok_A]
ldr r3, [r9, #detok_ptr_block2leftabove]
ldr r1, [r9, #detok_L]
ldrb r12, [r3, r11]! ; onyxblock2context[i]
ldr r2, [r9, #detok_A]
ldrb r12, [r3, r11]! ; block2left[i]
ldrb r3, [r3, #c_block2above_offset]; block2above[i]
cmp r7, #0 ; c = !type
moveq r7, #1
movne r7, #0
ldr r0, [r2, r12, lsl #2] ; A[onyxblock2context[i]]
add r1, r1, r12, lsl #4 ; L + onyxblock2context[i] << 4
; A is ptr to ptr (**)
; L is ptr to data (*[4])
ldrb r2, [r3, #c_onyxblock2above_offset] ; + above offset
ldrb r3, [r3, #c_onyxblock2left_offset] ; + left offset
ldrb r0, [r1, r12]! ; *(L += block2left[i])
ldrb r3, [r2, r3]! ; *(A += block2above[i])
mov lr, #c_entropy_nodes ; ENTROPY_NODES = 11
;; ;++
ldr r2, [r0, r2, lsl #2]! ; A + above offset
ldr r3, [r1, r3, lsl #2]! ; L + left offset
; VP8_COMBINEENTROPYCONTETEXTS(t, *a, *l) => t = ((*a) != 0) + ((*l) !=0)
cmp r2, #0 ; *a ?= 0
movne r2, #1 ; haha if a == 0 no need to set up another var to state that pretty sweet :)
cmp r3, #0 ; *l ?= 0
addne r2, r2, #1 ; t
cmp r0, #0 ; *l ?= 0
movne r0, #1
cmp r3, #0 ; *a ?= 0
addne r0, r0, #1 ; t
str r1, [sp, #l_l_ptr] ; save &l
str r0, [sp, #l_a_ptr] ; save &a
smlabb r0, r2, lr, r10 ; Prob = coef_probs + (t * ENTROPY_NODES)
str r2, [sp, #l_a_ptr] ; save &a
smlabb r0, r0, lr, r10 ; Prob = coef_probs + (t * ENTROPY_NODES)
mov r1, #0 ; t = 0
str r7, [sp, #l_c]
;align 4
COEFF_LOOP
ldr r3, [r9, #detok_ptr_onyx_coef_bands_x]
ldr lr, [r9, #detok_onyx_coef_tree_ptr]
; onyx_coef_bands_x is UINT16
add r3, r3, r7, lsl #1 ; coef_bands_x[c]
ldrh r3, [r3] ; UINT16
;++
ldr r3, [r9, #detok_ptr_coef_bands_x]
ldr lr, [r9, #detok_coef_tree_ptr]
;STALL
ldrb r3, [r3, r7] ; coef_bands_x[c]
;STALL
;STALL
add r0, r0, r3 ; Prob += coef_bands_x[c]
;align 4
get_token_loop
ldrb r2, [r0, +r1, asr #1] ; Prob[t >> 1]
mov r3, r6, lsl #8 ; range << 8
@ -221,14 +209,14 @@ SKIP_EXTRABITS
mov r4, r4, lsl r3 ; value <<= shift
ldrleb r2, [r8], #1 ; *(bufptr++)
addle r5, r5, #8 ; count += 8
rsble r3, r5, #24 ; BR_COUNT - count
rsble r3, r5, #24 ; BR_COUNT - count
orrle r4, r4, r2, lsl r3 ; value |= *bufptr << (BR_COUNT - count)
add r0, r0, #0xB ; Prob += ENTROPY_NODES (11)
add r0, r0, #11 ; Prob += ENTROPY_NODES (11)
cmn r1, #1 ; t < -ONE_TOKEN
addlt r0, r0, #0xB ; Prob += ENTROPY_NODES (11)
addlt r0, r0, #11 ; Prob += ENTROPY_NODES (11)
mvn r1, #1 ; t = -1 ???? C is -2
@ -236,7 +224,7 @@ SKIP_EOB_CHECK
ldr r7, [sp, #l_c] ; c
ldr r3, [r9, #detok_scan]
add r1, r1, #2 ; t+= 2
cmp r7, #(0x10 - 1) ; c should will be one higher
cmp r7, #15 ; c should will be one higher
ldr r3, [r3, +r7, lsl #2] ; scan[c] this needs pre-inc c value
add r7, r7, #1 ; c++
@ -247,7 +235,7 @@ SKIP_EOB_CHECK
blt COEFF_LOOP
sub r7, r7, #1 ; if(t != -DCT_EOB_TOKEN) --c ; never stored! no condition!
sub r7, r7, #1 ; if(t != -DCT_EOB_TOKEN) --c
END_OF_BLOCK
ldr r3, [sp, #l_type] ; type
@ -269,50 +257,49 @@ END_OF_BLOCK
movne r3, #1 ; t
moveq r3, #0
add r0, r0, #0x20 ; qcoeff += 32 (16 * 2?)
add r0, r0, #32 ; qcoeff += 32 (16 * 2?)
add r11, r11, #1 ; i++
str r3, [r7] ; *l = t
str r3, [r2] ; *a = t
strb r3, [r7] ; *l = t
strb r3, [r2] ; *a = t
str r0, [sp, #l_qcoeff] ; qcoeff
str r11, [sp, #l_i] ; i
cmp r11, r12 ; i >= stop ? VERIFY should be strictly LT(<)?
cmp r11, r12 ; i < stop
ldr r7, [sp, #l_type] ; type
mov lr, #0xB ; 11 (ENTORPY_NODES?)
blt BLOCK_LOOP
cmp r11, #0x19 ; i ?= 25
cmp r11, #25 ; i ?= 25
bne ln2_decode_mb_to
ldr r12, [r9, #detok_qcoeff_start_ptr]
ldr r10, [r9, #detok_coef_probs]
mov r7, #0 ; type/i = 0
mov r3, #0x10 ; stop = 0
mov r3, #16 ; stop = 16
str r12, [sp, #l_qcoeff] ; qcoeff_ptr = qcoeff_start_ptr
str r7, [sp, #l_i]
str r7, [sp, #l_type]
str r3, [sp, #l_stop]
str r10, [sp, #l_coef_ptr] ; coef_probs = coef_probs[type] (0)
str r10, [sp, #l_coef_ptr] ; coef_probs = coef_probs[type=0]
b BLOCK_LOOP
ln2_decode_mb_to
cmp r11, #0x10 ; i ?= 16
cmp r11, #16 ; i ?= 16
bne ln1_decode_mb_to
mov r10, #detok_coef_probs
add r10, r10, #2*4 ; coef_probs[type]
ldr r10, [r9, r10] ; detok + 48 - THIS IS PROBABLY THE ISSUE: NEW STRUCTURE
ldr r10, [r9, r10] ; detok + detok_coef_probs[type]
mov r7, #2 ; type = 2
mov r3, #0x18 ; stop = 24
mov r3, #24 ; stop = 24
str r7, [sp, #l_type]
str r3, [sp, #l_stop]
str r10, [sp, #l_coef_ptr] ; coef_probs = coef_probs[type] - didn't want to add 2 to coef_probs
str r10, [sp, #l_coef_ptr] ; coef_probs = coef_probs[type]
b BLOCK_LOOP
ln1_decode_mb_to

15
vp8/decoder/detokenize.c
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@ -75,11 +75,14 @@ void vp8_reset_mb_tokens_context(MACROBLOCKD *x)
}
#if CONFIG_ARM_ASM_DETOK
DECLARE_ALIGNED(16, const UINT8, vp8_block2context_leftabove[25*3]) =
// mashup of vp8_block2left and vp8_block2above so we only need one pointer
// for the assembly version.
DECLARE_ALIGNED(16, const UINT8, vp8_block2leftabove[25*2]) =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, //end of vp8_block2context
0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 0, 0, 1, 1, 0, 0, 1, 1, 0, //end of vp8_block2left
0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 0, 1, 0, 1, 0, 1, 0 //end of vp8_block2above
//vp8_block2left
0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
//vp8_block2above
0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8
};
void vp8_init_detokenizer(VP8D_COMP *dx)
@ -88,8 +91,8 @@ void vp8_init_detokenizer(VP8D_COMP *dx)
MACROBLOCKD *x = & dx->mb;
dx->detoken.vp8_coef_tree_ptr = vp8_coef_tree;
dx->detoken.ptr_onyxblock2context_leftabove = vp8_block2context_leftabove;
dx->detoken.ptr_onyx_coef_bands_x = vp8_coef_bands_x;
dx->detoken.ptr_block2leftabove = vp8_block2leftabove;
dx->detoken.ptr_coef_bands_x = vp8_coef_bands_x;
dx->detoken.scan = vp8_default_zig_zag1d;
dx->detoken.teb_base_ptr = vp8d_token_extra_bits2;
dx->detoken.qcoeff_start_ptr = &x->qcoeff[0];

8
vp8/decoder/onyxd_int.h
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@ -49,14 +49,14 @@ typedef struct
typedef struct
{
int const *scan;
UINT8 const *ptr_onyxblock2context_leftabove;
UINT8 const *ptr_block2leftabove;
vp8_tree_index const *vp8_coef_tree_ptr;
TOKENEXTRABITS const *teb_base_ptr;
unsigned char *norm_ptr;
UINT16 *ptr_onyx_coef_bands_x;
UINT8 *ptr_coef_bands_x;
ENTROPY_CONTEXT **A;
ENTROPY_CONTEXT (*L)[4];
ENTROPY_CONTEXT_PLANES *A;
ENTROPY_CONTEXT_PLANES *L;
INT16 *qcoeff_start_ptr;
BOOL_DECODER *current_bc;