* Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2006 Mans Rullgard <mans@mansr.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
ldrd v1, [a1, #8]
ldrd a3, [a1] /* a3 = row[1:0], a4 = row[3:2] */
orrs v1, v1, v2
+ itt eq
cmpeq v1, a4
cmpeq v1, a3, lsr #16
beq row_dc_only
strd a3, [a1, #8]
ldr pc, [sp], #4
- .endfunc
+endfunc
.macro idct_col
ldr a4, [a1] /* a4 = col[1:0] */
ldmfd sp!, {a3, a4}
adds a2, a3, v1
mov a2, a2, lsr #20
+ it mi
orrmi a2, a2, #0xf000
add ip, a4, v2
mov ip, ip, asr #20
str a2, [a1]
subs a3, a3, v1
mov a2, a3, lsr #20
+ it mi
orrmi a2, a2, #0xf000
sub a4, a4, v2
mov a4, a4, asr #20
subs a2, a3, v3
mov a2, a2, lsr #20
+ it mi
orrmi a2, a2, #0xf000
sub ip, a4, v4
mov ip, ip, asr #20
str a2, [a1, #(16*1)]
adds a3, a3, v3
mov a2, a3, lsr #20
+ it mi
orrmi a2, a2, #0xf000
add a4, a4, v4
mov a4, a4, asr #20
adds a2, a3, v5
mov a2, a2, lsr #20
+ it mi
orrmi a2, a2, #0xf000
add ip, a4, v6
mov ip, ip, asr #20
str a2, [a1, #(16*2)]
subs a3, a3, v5
mov a2, a3, lsr #20
+ it mi
orrmi a2, a2, #0xf000
sub a4, a4, v6
mov a4, a4, asr #20
adds a2, a3, v7
mov a2, a2, lsr #20
+ it mi
orrmi a2, a2, #0xf000
add ip, a4, fp
mov ip, ip, asr #20
str a2, [a1, #(16*3)]
subs a3, a3, v7
mov a2, a3, lsr #20
+ it mi
orrmi a2, a2, #0xf000
sub a4, a4, fp
mov a4, a4, asr #20
str a2, [a1, #(16*4)]
ldr pc, [sp], #4
- .endfunc
+endfunc
+
+.macro clip dst, src:vararg
+ movs \dst, \src
+ it mi
+ movmi \dst, #0
+ cmp \dst, #255
+ it gt
+ movgt \dst, #255
+.endm
+
+.macro aclip dst, src:vararg
+ adds \dst, \src
+ it mi
+ movmi \dst, #0
+ cmp \dst, #255
+ it gt
+ movgt \dst, #255
+.endm
function idct_col_put_armv5te
str lr, [sp, #-4]!
ldmfd sp!, {a3, a4}
ldr lr, [sp, #32]
add a2, a3, v1
- movs a2, a2, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a2, asr #20
add ip, a4, v2
- movs ip, ip, asr #20
- movmi ip, #0
- cmp ip, #255
- movgt ip, #255
+ clip ip, ip, asr #20
orr a2, a2, ip, lsl #8
sub a3, a3, v1
- movs a3, a3, asr #20
- movmi a3, #0
- cmp a3, #255
- movgt a3, #255
+ clip a3, a3, asr #20
sub a4, a4, v2
- movs a4, a4, asr #20
- movmi a4, #0
- cmp a4, #255
+ clip a4, a4, asr #20
ldr v1, [sp, #28]
- movgt a4, #255
strh a2, [v1]
add a2, v1, #2
str a2, [sp, #28]
orr a2, a3, a4, lsl #8
rsb v2, lr, lr, lsl #3
ldmfd sp!, {a3, a4}
- strh a2, [v2, v1]!
+ strh_pre a2, v2, v1
sub a2, a3, v3
- movs a2, a2, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a2, asr #20
sub ip, a4, v4
- movs ip, ip, asr #20
- movmi ip, #0
- cmp ip, #255
- movgt ip, #255
+ clip ip, ip, asr #20
orr a2, a2, ip, lsl #8
- strh a2, [v1, lr]!
+ strh_pre a2, v1, lr
add a3, a3, v3
- movs a2, a3, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a3, asr #20
add a4, a4, v4
- movs a4, a4, asr #20
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ clip a4, a4, asr #20
orr a2, a2, a4, lsl #8
ldmfd sp!, {a3, a4}
- strh a2, [v2, -lr]!
+ strh_dpre a2, v2, lr
add a2, a3, v5
- movs a2, a2, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a2, asr #20
add ip, a4, v6
- movs ip, ip, asr #20
- movmi ip, #0
- cmp ip, #255
- movgt ip, #255
+ clip ip, ip, asr #20
orr a2, a2, ip, lsl #8
- strh a2, [v1, lr]!
+ strh_pre a2, v1, lr
sub a3, a3, v5
- movs a2, a3, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a3, asr #20
sub a4, a4, v6
- movs a4, a4, asr #20
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ clip a4, a4, asr #20
orr a2, a2, a4, lsl #8
ldmfd sp!, {a3, a4}
- strh a2, [v2, -lr]!
+ strh_dpre a2, v2, lr
add a2, a3, v7
- movs a2, a2, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a2, asr #20
add ip, a4, fp
- movs ip, ip, asr #20
- movmi ip, #0
- cmp ip, #255
- movgt ip, #255
+ clip ip, ip, asr #20
orr a2, a2, ip, lsl #8
strh a2, [v1, lr]
sub a3, a3, v7
- movs a2, a3, asr #20
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ clip a2, a3, asr #20
sub a4, a4, fp
- movs a4, a4, asr #20
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ clip a4, a4, asr #20
orr a2, a2, a4, lsl #8
- strh a2, [v2, -lr]
+ strh_dpre a2, v2, lr
ldr pc, [sp], #4
- .endfunc
+endfunc
function idct_col_add_armv5te
str lr, [sp, #-4]!
ldmfd sp!, {a3, a4}
ldrh ip, [lr]
add a2, a3, v1
- mov a2, a2, asr #20
sub a3, a3, v1
and v1, ip, #255
- adds a2, a2, v1
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ aclip a2, v1, a2, asr #20
add v1, a4, v2
mov v1, v1, asr #20
- adds v1, v1, ip, lsr #8
- movmi v1, #0
- cmp v1, #255
- movgt v1, #255
+ aclip v1, v1, ip, lsr #8
orr a2, a2, v1, lsl #8
ldr v1, [sp, #32]
sub a4, a4, v2
rsb v2, v1, v1, lsl #3
- ldrh ip, [v2, lr]!
+ ldrh_pre ip, v2, lr
strh a2, [lr]
- mov a3, a3, asr #20
and a2, ip, #255
- adds a3, a3, a2
- movmi a3, #0
- cmp a3, #255
- movgt a3, #255
+ aclip a3, a2, a3, asr #20
mov a4, a4, asr #20
- adds a4, a4, ip, lsr #8
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ aclip a4, a4, ip, lsr #8
add a2, lr, #2
str a2, [sp, #28]
orr a2, a3, a4, lsl #8
strh a2, [v2]
ldmfd sp!, {a3, a4}
- ldrh ip, [lr, v1]!
+ ldrh_pre ip, lr, v1
sub a2, a3, v3
- mov a2, a2, asr #20
add a3, a3, v3
and v3, ip, #255
- adds a2, a2, v3
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ aclip a2, v3, a2, asr #20
sub v3, a4, v4
mov v3, v3, asr #20
- adds v3, v3, ip, lsr #8
- movmi v3, #0
- cmp v3, #255
- movgt v3, #255
+ aclip v3, v3, ip, lsr #8
orr a2, a2, v3, lsl #8
add a4, a4, v4
- ldrh ip, [v2, -v1]!
+ ldrh_dpre ip, v2, v1
strh a2, [lr]
- mov a3, a3, asr #20
and a2, ip, #255
- adds a3, a3, a2
- movmi a3, #0
- cmp a3, #255
- movgt a3, #255
+ aclip a3, a2, a3, asr #20
mov a4, a4, asr #20
- adds a4, a4, ip, lsr #8
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ aclip a4, a4, ip, lsr #8
orr a2, a3, a4, lsl #8
strh a2, [v2]
ldmfd sp!, {a3, a4}
- ldrh ip, [lr, v1]!
+ ldrh_pre ip, lr, v1
add a2, a3, v5
- mov a2, a2, asr #20
sub a3, a3, v5
and v3, ip, #255
- adds a2, a2, v3
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ aclip a2, v3, a2, asr #20
add v3, a4, v6
mov v3, v3, asr #20
- adds v3, v3, ip, lsr #8
- movmi v3, #0
- cmp v3, #255
- movgt v3, #255
+ aclip v3, v3, ip, lsr #8
orr a2, a2, v3, lsl #8
sub a4, a4, v6
- ldrh ip, [v2, -v1]!
+ ldrh_dpre ip, v2, v1
strh a2, [lr]
- mov a3, a3, asr #20
and a2, ip, #255
- adds a3, a3, a2
- movmi a3, #0
- cmp a3, #255
- movgt a3, #255
+ aclip a3, a2, a3, asr #20
mov a4, a4, asr #20
- adds a4, a4, ip, lsr #8
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ aclip a4, a4, ip, lsr #8
orr a2, a3, a4, lsl #8
strh a2, [v2]
ldmfd sp!, {a3, a4}
- ldrh ip, [lr, v1]!
+ ldrh_pre ip, lr, v1
add a2, a3, v7
- mov a2, a2, asr #20
sub a3, a3, v7
and v3, ip, #255
- adds a2, a2, v3
- movmi a2, #0
- cmp a2, #255
- movgt a2, #255
+ aclip a2, v3, a2, asr #20
add v3, a4, fp
mov v3, v3, asr #20
- adds v3, v3, ip, lsr #8
- movmi v3, #0
- cmp v3, #255
- movgt v3, #255
+ aclip v3, v3, ip, lsr #8
orr a2, a2, v3, lsl #8
sub a4, a4, fp
- ldrh ip, [v2, -v1]!
+ ldrh_dpre ip, v2, v1
strh a2, [lr]
- mov a3, a3, asr #20
and a2, ip, #255
- adds a3, a3, a2
- movmi a3, #0
- cmp a3, #255
- movgt a3, #255
+ aclip a3, a2, a3, asr #20
mov a4, a4, asr #20
- adds a4, a4, ip, lsr #8
- movmi a4, #0
- cmp a4, #255
- movgt a4, #255
+ aclip a4, a4, ip, lsr #8
orr a2, a3, a4, lsl #8
strh a2, [v2]
ldr pc, [sp], #4
- .endfunc
+endfunc
function ff_simple_idct_armv5te, export=1
stmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, lr}
bl idct_col_armv5te
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
- .endfunc
+endfunc
function ff_simple_idct_add_armv5te, export=1
stmfd sp!, {a1, a2, v1, v2, v3, v4, v5, v6, v7, fp, lr}
add sp, sp, #8
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
- .endfunc
+endfunc
function ff_simple_idct_put_armv5te, export=1
stmfd sp!, {a1, a2, v1, v2, v3, v4, v5, v6, v7, fp, lr}
add sp, sp, #8
ldmfd sp!, {v1, v2, v3, v4, v5, v6, v7, fp, pc}
- .endfunc
+endfunc
projects / ffmpeg / blobdiff