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 | 112 |
1 files changed, 0 insertions, 112 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 deleted file mode 100644 index b30e8cb..0000000 --- a/media/libstagefright/codecs/aacenc/src/asm/ARMV5E/CalcWindowEnergy_v5.s +++ /dev/null @@ -1,112 +0,0 @@ -@/* -@ ** Copyright 2003-2010, VisualOn, Inc. -@ ** -@ ** 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. -@ */ - -@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ -@ File: CalcWindowEnergy_v5.s -@ -@ Content: CalcWindowEnergy function armv5 assemble -@ -@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ - - .section .text - - .global CalcWindowEnergy - -CalcWindowEnergy: - stmdb sp!, {r4 - r11, lr} - sub r13, r13, #20 - - mov r3, r3, lsl #16 - ldr r10, [r0, #168] @ states0 = blockSwitchingControl->iirStates[0]; - mov r3, r3, asr #16 - ldr r11, [r0, #172] @ states1 = blockSwitchingControl->iirStates[1]; - - mov r2, r2, lsl #16 - 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 r4, #0 @ i=0 - - str r8, [r13, #4] - str r0, [r13, #8] - str r3, [r13, #12] - -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); - 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 r8, r0, r8 @ out = accu3 - accu2; - - mov r10, r3 @ states0 = accu1; - 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 - ldr r3, [r13, #12] - - add r7, r7, r9, asr #7 - - 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] - - cmp r8, #8 - 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} - -hiPassCoeff: - .word 0xbec8b439 - .word 0x609d4952 - - @ENDP - .end |