diff options
Diffstat (limited to 'media/libstagefright/codecs/mp3dec/src/asm/pvmp3_mdct_18_arm.s')
-rw-r--r-- | media/libstagefright/codecs/mp3dec/src/asm/pvmp3_mdct_18_arm.s | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/asm/pvmp3_mdct_18_arm.s b/media/libstagefright/codecs/mp3dec/src/asm/pvmp3_mdct_18_arm.s new file mode 100644 index 0000000..9401d8c --- /dev/null +++ b/media/libstagefright/codecs/mp3dec/src/asm/pvmp3_mdct_18_arm.s @@ -0,0 +1,369 @@ +; ------------------------------------------------------------------ +; Copyright (C) 1998-2009 PacketVideo +; +; Licensed under the Apache License, Version 2.0 (the "License"); +; you may not use this file except in compliance with the License. +; You may obtain a copy of the License at +; +; http://www.apache.org/licenses/LICENSE-2.0 +; +; Unless required by applicable law or agreed to in writing, software +; distributed under the License is distributed on an "AS IS" BASIS, +; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +; express or implied. +; See the License for the specific language governing permissions +; and limitations under the License. +; ------------------------------------------------------------------- + +; +; +; Filename: pvmp3_dct_18.s +; +;------------------------------------------------------------------------------ +; REVISION HISTORY +; +; +; Who: Date: MM/DD/YYYY +; Description: +; +;------------------------------------------------------------------------------ + + EXPORT pvmp3_mdct_18 + + IMPORT ||Lib$$Request$$armlib|| [WEAK] + IMPORT ||Lib$$Request$$cpplib|| [WEAK] + IMPORT pvmp3_dct_9 + + +;------------------------------------------------------------------------------ + + AREA |.text|, CODE, READONLY, ALIGN=2 + + +;------------------------------------------------------------------------------ + +|pvmp3_mdct_18| PROC + stmfd sp!,{r4-r10,lr} + mov r7,r2 + ldr r2,table + mov r6,r1 + add r3,r2,#0x24 + add r12,r3,#0x44 + add r1,r0,#0x44 + mov r5,r0 + +; for ( i=9; i!=0; i--) +; { + + mov r4,#9 +Loop_1 + +; tmp = *(pt_vec); +; tmp1 = *(pt_vec_o); + + ldr lr,[r0] ;; tmp == lr + ldr r8,[r3],#4 ;; tmp1 == r8 + +; tmp = fxp_mul32_Q32( tmp<<1, *(pt_cos++ )); +; tmp1 = fxp_mul32_Q27( tmp1, *(pt_cos_x--)); + + mov lr,lr,lsl #1 + smull r10,lr,r8,lr + ldr r8,[r12],#-4 + ldr r9,[r1] + subs r4,r4,#1 + smull r9,r10,r8,r9 + mov r8,r9,lsr #27 + add r8,r8,r10,lsl #5 + +; *(pt_vec++) = tmp + tmp1 ; +; *(pt_vec_o--) = fxp_mul32_Q28( (tmp - tmp1), *(pt_cos_split++)); + + add r9,lr,r8 + sub r8,lr,r8 + ldr lr,[r2],#4 + str r9,[r0],#4 + smull r8,r9,lr,r8 + mov lr,r8,lsr #28 + add lr,lr,r9,lsl #4 + str lr,[r1],#-4 + bne Loop_1 + +; } + + mov r0,r5 ;; r0 = vec + bl pvmp3_dct_9 + add r0,r5,#0x24 ;; r0 = &vec[9] + bl pvmp3_dct_9 + + ldr r0,[r5,#0x20] + ldr r2,[r5,#0x40] + str r0,[r5,#0x40] + ldr r0,[r5,#0x1c] + ldr r3,[r5,#0x38] + str r0,[r5,#0x38] + ldr r1,[r5,#0x18] + ldr r0,[r5,#0x30] + str r1,[r5,#0x30] + ldr r12,[r5,#0x14] + ldr r1,[r5,#0x28] + str r12,[r5,#0x28] + ldr r12,[r5,#0x10] + str r12,[r5,#0x20] + ldr r12,[r5,#0xc] + str r12,[r5,#0x18] + ldr r12,[r5,#8] + str r12,[r5,#0x10] + ldr r12,[r5,#4] + str r12,[r5,#8] + ldr r12,[r5,#0x24] + sub r12,r12,r1 + str r12,[r5,#4] + ldr r12,[r5,#0x2c] + sub r1,r12,r1 + str r1,[r5,#0xc] + sub r1,r12,r0 + str r1,[r5,#0x14] + ldr r1,[r5,#0x34] + sub r0,r1,r0 + str r0,[r5,#0x1c] + sub r0,r1,r3 + str r0,[r5,#0x24] + ldr r1,[r5,#0x3c] + sub r3,r1,r3 + sub r1,r1,r2 + str r1,[r5,#0x34] + str r3,[r5,#0x2c] + ldr r1,[r5,#0x44] + sub r1,r1,r2 + str r1,[r5,#0x3c] + ldr r12,[r5,#0] + +Loop_2 + add r1,r5,r4,lsl #2 + ldr r2,[r1,#0x28] + ldr r3,[r6,r4,lsl #2] + add r0,r0,r2 + str r0,[r1,#0x28] + ldr lr,[r7,r4,lsl #2] + ldr r1,[r1,#4] + smlal r0,r3,lr,r0 + mov r0,r2 + add r2,r12,r1 + rsb r2,r2,#0 + str r3,[r5,r4,lsl #2] + str r2,[r6,r4,lsl #2] + add r4,r4,#1 + cmp r4,#6 + mov r12,r1 + + blt Loop_2 + + ldr r1,[r5,#0x40] + ldr r2,[r6,#0x18] + add r3,r0,r1 + str r3,[r5,#0x40] + ldr lr,[r7,r4,lsl #2] + mov r3,r3,lsl #1 + ldr r0,[r5,#0x1c] + smlal r3,r2,lr,r3 + add r3,r12,r0 + str r2,[r5,#0x18] + ldr r2,[r6,#0x1c] + rsb r3,r3,#0 + str r3,[r6,#0x18] + ldr r3,[r5,#0x20] + add r0,r3,r0 + rsb r0,r0,#0 + str r0,[r6,#0x1c] + ldr r3,[r5,#0x44] + ldr r0,[r6,#0x20] + add r3,r3,r1 + mov r1,r2 + ldr r10,[r7,#0x1c] + mov r2,r3,lsl #1 + smlal r12,r1,r10,r2 + str r1,[r5,#0x1c] + ldr r1,[r5,#0x20] + ldr r3,[r5,#0x24] + add r1,r1,r3 + rsb r1,r1,#0 + str r1,[r6,#0x20] + ldr r1,[r5,#0x44] + ldr r3,[r7,#0x20] + mov r1,r1,lsl #1 + smlal r12,r0,r3,r1 + ldr lr,[r7,#0x24] + ldr r3,[r6,#0x24] + str r0,[r5,#0x20] + smlal r1,r3,lr,r1 + ldr r0,[r6,#0x40] + ldr r12,[r6,#0x44] + str r3,[r5,#0x24] + ldr r1,[r5,#0x28] + ldr r3,[r7,#0x44] + mov r1,r1,lsl #1 + smlal r1,r12,r3,r1 + ldr r1,[r5,#0x40] + str r12,[r5,#0x44] + rsb r8,r1,#0 + str r8,[r5,#0x28] + ldr r1,[r5,#0x2c] + ldr r3,[r7,#0x40] + mov r1,r1,lsl #1 + smlal r1,r0,r3,r1 + str r0,[r5,#0x40] + ldr r0,[r5,#0x3c] + ldr r1,[r6,#0x38] + ldr r3,[r6,#0x3c] + rsb r9,r0,#0 + str r9,[r5,#0x2c] + ldr r0,[r5,#0x30] + ldr r12,[r7,#0x3c] + mov r0,r0,lsl #1 + smlal r0,r3,r12,r0 + str r3,[r5,#0x3c] + ldr r0,[r5,#0x38] + rsb r0,r0,#0 + str r0,[r5,#0x30] + ldr r3,[r5,#0x34] + ldr r12,[r7,#0x38] + mov r3,r3,lsl #1 + smlal r3,r1,r12,r3 + mov r0,r0,lsl #1 + str r1,[r5,#0x38] + ldr r4,[r7,#0x34] + ldr r1,[r6,#0x34] + ldr r3,[r6,#0x30] + smlal r0,r1,r4,r0 + ldr r12,[r6,#0x2c] + ldr lr,[r6,#0x28] + str r1,[r5,#0x34] + ldr r1,[r7,#0x30] + mov r0,r9,lsl #1 + smlal r0,r3,r1,r0 + mov r0,r8,lsl #1 + ldr r1,[r7,#0x2c] + str r3,[r5,#0x30] + smlal r0,r12,r1,r0 + ldr r0,[r7,#0x28] + str r12,[r5,#0x2c] + smlal r2,lr,r0,r2 + str lr,[r5,#0x28] + ldr r1,[r6,#4] + ldr r12,[r7,#0x48] + mov r2,r1,lsl #1 + ldr r1,[r6,#0x20] + ldr r0,[r6] + mov r1,r1,lsl #1 + smull r4,lr,r12,r1 + ldr r3,[r6,#0x1c] + str lr,[r6] + ldr r12,[r7,#0x4c] + mov r3,r3,lsl #1 + smull r4,lr,r12,r3 + mov r0,r0,lsl #1 + ldr r12,[r7,#0x64] + str lr,[r6,#4] + smull r4,lr,r12,r2 + ldr r12,[r7,#0x68] + str lr,[r6,#0x1c] + smull r4,lr,r12,r0 + ldr r12,[r7,#0x6c] + str lr,[r6,#0x20] + smull lr,r0,r12,r0 + ldr r12,[r7,#0x70] + str r0,[r6,#0x24] + smull r0,r2,r12,r2 + ldr r0,[r7,#0x88] + str r2,[r6,#0x28] + smull r3,r2,r0,r3 + ldr r0,[r7,#0x8c] + str r2,[r6,#0x40] + smull r2,r1,r0,r1 + str r1,[r6,#0x44] + ldr r0,[r6,#0x18] + ldr lr,[r7,#0x50] + mov r1,r0,lsl #1 + ldr r0,[r6,#0x14] + smull r5,r4,lr,r1 + ldr r12,[r6,#0x10] + mov r3,r0,lsl #1 + ldr r0,[r6,#0xc] + mov r12,r12,lsl #1 + mov r2,r0,lsl #1 + ldr r0,[r6,#8] + str r4,[r6,#8] + ldr lr,[r7,#0x54] + mov r0,r0,lsl #1 + smull r5,r4,lr,r3 + ldr lr,[r7,#0x58] + str r4,[r6,#0xc] + smull r5,r4,lr,r12 + ldr lr,[r7,#0x5c] + str r4,[r6,#0x10] + smull r5,r4,lr,r2 + ldr lr,[r7,#0x60] + str r4,[r6,#0x14] + smull r5,r4,lr,r0 + ldr lr,[r7,#0x74] + str r4,[r6,#0x18] + smull r4,r0,lr,r0 + ldr lr,[r7,#0x78] + str r0,[r6,#0x2c] + smull r0,r2,lr,r2 + ldr r0,[r7,#0x7c] + str r2,[r6,#0x30] + smull r12,r2,r0,r12 + ldr r0,[r7,#0x80] + str r2,[r6,#0x34] + smull r3,r2,r0,r3 + ldr r0,[r7,#0x84] + str r2,[r6,#0x38] + smull r2,r1,r0,r1 + str r1,[r6,#0x3c] + ldmfd sp!,{r4-r10,pc} +table + DCD ||.constdata$1|| + ENDP + +;------------------------------------------------------------------------------ + + AREA |.constdata|, DATA, READONLY, ALIGN=2 + +;------------------------------------------------------------------------------ + +||.constdata$1|| +cosTerms_dct18 + DCD 0x0807d2b0 + DCD 0x08483ee0 + DCD 0x08d3b7d0 + DCD 0x09c42570 + DCD 0x0b504f30 + DCD 0x0df29440 + DCD 0x12edfb20 + DCD 0x1ee8dd40 + DCD 0x5bca2a00 +cosTerms_1_ov_cos_phi + DCD 0x400f9c00 + DCD 0x408d6080 + DCD 0x418dcb80 + DCD 0x431b1a00 + DCD 0x4545ea00 + DCD 0x48270680 + DCD 0x4be25480 + DCD 0x50ab9480 + DCD 0x56ce4d80 + DCD 0x05ebb630 + DCD 0x06921a98 + DCD 0x0771d3a8 + DCD 0x08a9a830 + DCD 0x0a73d750 + DCD 0x0d4d5260 + DCD 0x127b1ca0 + DCD 0x1ea52b40 + DCD 0x5bb3cc80 + + + + END |