diff options
Diffstat (limited to 'media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s index 75b916c..b30e8cb 100644 --- a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s +++ b/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s @@ -22,91 +22,91 @@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ .section .text - + .global CalcWindowEnergy CalcWindowEnergy: stmdb sp!, {r4 - r11, lr} - sub r13, r13, #20 + sub r13, r13, #20 - mov r3, r3, lsl #16 + mov r3, r3, lsl #16 ldr r10, [r0, #168] @ states0 = blockSwitchingControl->iirStates[0]; - mov r3, r3, asr #16 + mov r3, r3, asr #16 ldr r11, [r0, #172] @ states1 = blockSwitchingControl->iirStates[1]; mov r2, r2, lsl #16 - ldr r12, hiPassCoeff @ Coeff0 = hiPassCoeff[0]; + ldr r12, hiPassCoeff @ Coeff0 = hiPassCoeff[0]; mov r2, r2, asr #16 ldr r14, hiPassCoeff + 4 @ Coeff1 = hiPassCoeff[1]; - + mov r8, #0 @ w=0 mov r5, #0 @ wOffset = 0; - + BLOCK_BEGIN: - mov r6, #0 @ accuUE = 0; - mov r7, #0 @ accuFE = 0; + mov r6, #0 @ accuUE = 0; + mov r7, #0 @ accuFE = 0; mov r4, #0 @ i=0 - - str r8, [r13, #4] - str r0, [r13, #8] + + str r8, [r13, #4] + str r0, [r13, #8] str r3, [r13, #12] - -ENERGY_BEG: - mov r9, r5, lsl #1 + +ENERGY_BEG: + mov r9, r5, lsl #1 ldrsh r9, [r1, r9] @ tempUnfiltered = timeSignal[tidx]; add r5, r5, r2 @ tidx = tidx + chIncrement; - - smulwb r3, r14, r9 @ accu1 = L_mpy_ls(Coeff1, tempUnfiltered); + + smulwb r3, r14, r9 @ accu1 = L_mpy_ls(Coeff1, tempUnfiltered); smull r0, r8, r12, r11 @ accu2 = fixmul( Coeff0, states1 ); - + mov r3, r3, lsl #1 mov r8, r8, lsl #1 - sub r0, r3, r10 @ accu3 = accu1 - states0; + sub r0, r3, r10 @ accu3 = accu1 - states0; sub r8, r0, r8 @ out = accu3 - accu2; mov r10, r3 @ states0 = accu1; - mov r11, r8 @ states1 = out; - - mul r3, r9, r9 + mov r11, r8 @ states1 = out; + + mul r3, r9, r9 mov r8, r8, asr #16 - + add r4, r4, #1 add r6, r6, r3, asr #7 - mul r9, r8, r8 + mul r9, r8, r8 ldr r3, [r13, #12] add r7, r7, r9, asr #7 - - cmp r4, r3 - blt ENERGY_BEG - + + cmp r4, r3 + blt ENERGY_BEG + ldr r0, [r13, #8] ldr r8, [r13, #4] - + ENERGY_END: add r4, r0, r8, lsl #2 - str r6, [r4, #72] - add r8, r8, #1 - str r7, [r4, #136] + str r6, [r4, #72] + add r8, r8, #1 + str r7, [r4, #136] cmp r8, #8 - blt BLOCK_BEGIN + blt BLOCK_BEGIN BLOCK_END: - str r10, [r0, #168] - str r11, [r0, #172] - mov r0, #1 - - add r13, r13, #20 - ldmia sp!, {r4 - r11, pc} + str r10, [r0, #168] + str r11, [r0, #172] + mov r0, #1 + + add r13, r13, #20 + ldmia sp!, {r4 - r11, pc} hiPassCoeff: .word 0xbec8b439 .word 0x609d4952 - + @ENDP .end |