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diff --git a/media/libstagefright/codecs/aacdec/ps_stereo_processing.cpp b/media/libstagefright/codecs/aacdec/ps_stereo_processing.cpp
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--- a/media/libstagefright/codecs/aacdec/ps_stereo_processing.cpp
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@@ -1,372 +0,0 @@
-/* ------------------------------------------------------------------
- * 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: ps_stereo_processing.c
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Who: Date: MM/DD/YYYY
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
-
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- Stereo Process or reconstruction
-
- l_k(n) = H11(k,n)*s_k(n) + H21(k,n)*d_k(n)
-
- r_k(n) = H12(k,n)*s_k(n) + H22(k,n)*d_k(n)
-
- _______ ________
- | | _______ | |
- ->|Hybrid | LF ---- | |->| Hybrid |-->
- | Anal. | | | | | Synth | QMF -> L
- ------- o----------------------->| | -------- Synth
-QMF | s_k(n) |Stereo |-------------->
-Anal. -------------------------->| |
- _______ | | | | ________
- | | HF --o | ----------- |Process| | |
- ->| Delay | | ->| |-------->| |->| Hybrid |-->
- ------- | |decorrelate| d_k(n) | | | Synth | QMF -> R
- ---->| |-------->| | -------- Synth
- ----------- |_______|-------------->
-
-
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
-SC 29 Software Copyright Licencing Disclaimer:
-
-This software module was originally developed by
- Coding Technologies
-
-and edited by
- -
-
-in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
-standards for reference purposes and its performance may not have been
-optimized. This software module is an implementation of one or more tools as
-specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
-ISO/IEC gives users free license to this software module or modifications
-thereof for use in products claiming conformance to audiovisual and
-image-coding related ITU Recommendations and/or ISO/IEC International
-Standards. ISO/IEC gives users the same free license to this software module or
-modifications thereof for research purposes and further ISO/IEC standardisation.
-Those intending to use this software module in products are advised that its
-use may infringe existing patents. ISO/IEC have no liability for use of this
-software module or modifications thereof. Copyright is not released for
-products that do not conform to audiovisual and image-coding related ITU
-Recommendations and/or ISO/IEC International Standards.
-The original developer retains full right to modify and use the code for its
-own purpose, assign or donate the code to a third party and to inhibit third
-parties from using the code for products that do not conform to audiovisual and
-image-coding related ITU Recommendations and/or ISO/IEC International Standards.
-This copyright notice must be included in all copies or derivative works.
-Copyright (c) ISO/IEC 2003.
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-
-
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-
-#ifdef AAC_PLUS
-
-#ifdef PARAMETRICSTEREO
-#include "pv_audio_type_defs.h"
-#include "ps_stereo_processing.h"
-#include "fxp_mul32.h"
-#include "ps_all_pass_filter_coeff.h"
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module specific macros here
-----------------------------------------------------------------------------*/
-
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module but defined elsewhere
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-void ps_stereo_processing(STRUCT_PS_DEC *pms,
- Int32 *qmfLeftReal,
- Int32 *qmfLeftImag,
- Int32 *qmfRightReal,
- Int32 *qmfRightImag)
-{
- Int32 group;
- Int32 subband;
- Int32 maxSubband;
- Int32 usb;
- Char index;
-
-
- Int32 *hybrLeftReal;
- Int32 *hybrLeftImag;
- Int32 *hybrRightReal;
- Int32 *hybrRightImag;
- Int32 *ptr_hybrLeftReal;
- Int32 *ptr_hybrLeftImag;
- Int32 *ptr_hybrRightReal;
- Int32 *ptr_hybrRightImag;
-
-
- Int16 h11;
- Int16 h12;
- Int16 h21;
- Int16 h22;
-
- Int32 temp1;
- Int32 temp2;
- Int32 temp3;
-
- usb = pms->usb;
-
- /*
- * Complete Linear interpolation
- */
-
- hybrLeftReal = pms->mHybridRealLeft;
- hybrLeftImag = pms->mHybridImagLeft;
- hybrRightReal = pms->mHybridRealRight;
- hybrRightImag = pms->mHybridImagRight;
-
- for (group = 0; group < SUBQMF_GROUPS; group++) /* SUBQMF_GROUPS == 10 */
- {
-
- temp1 = pms->deltaH11[group];
- temp2 = pms->deltaH12[group];
-
- pms->H11[group] += temp1;
- h11 = (Int16)(pms->H11[group] >> 16);
- pms->H12[group] += temp2;
- h12 = (Int16)(pms->H12[group] >> 16);
-
- temp1 = pms->deltaH21[group];
- temp2 = pms->deltaH22[group];
-
- pms->H21[group] += temp1;
- h21 = (Int16)(pms->H21[group] >> 16);
- pms->H22[group] += temp2;
- h22 = (Int16)(pms->H22[group] >> 16);
-
- index = groupBorders[group];
-
- /*
- * Reconstruction of Stereo sub-band signal
- *
- * l_k(n) = H11(k,n)*s_k(n) + H21(k,n)*d_k(n)
- *
- * r_k(n) = H12(k,n)*s_k(n) + H22(k,n)*d_k(n)
- */
- ptr_hybrLeftReal = &hybrLeftReal[ index];
- ptr_hybrRightReal = &hybrRightReal[ index];
-
- temp1 = *(ptr_hybrLeftReal) << 1;
- temp2 = *(ptr_hybrRightReal) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftReal) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightReal) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
-
-
- ptr_hybrLeftImag = &hybrLeftImag[ index];
- ptr_hybrRightImag = &hybrRightImag[ index];
-
- temp1 = *(ptr_hybrLeftImag) << 1;
- temp2 = *(ptr_hybrRightImag) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftImag) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightImag) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
-
-
- } /* groups loop */
-
- temp1 = pms->deltaH11[SUBQMF_GROUPS];
- temp2 = pms->deltaH12[SUBQMF_GROUPS];
-
- pms->H11[SUBQMF_GROUPS] += temp1;
- h11 = (Int16)(pms->H11[SUBQMF_GROUPS] >> 16);
- pms->H12[SUBQMF_GROUPS] += temp2;
- h12 = (Int16)(pms->H12[SUBQMF_GROUPS] >> 16);
-
- temp1 = pms->deltaH21[SUBQMF_GROUPS];
- temp2 = pms->deltaH22[SUBQMF_GROUPS];
-
- pms->H21[SUBQMF_GROUPS] += temp1;
- h21 = (Int16)(pms->H21[SUBQMF_GROUPS] >> 16);
- pms->H22[SUBQMF_GROUPS] += temp2;
- h22 = (Int16)(pms->H22[SUBQMF_GROUPS] >> 16);
-
-
- ptr_hybrLeftReal = &qmfLeftReal[ 3];
- ptr_hybrRightReal = &qmfRightReal[ 3];
-
- /*
- * Reconstruction of Stereo sub-band signal
- *
- * l_k(n) = H11(k,n)*s_k(n) + H21(k,n)*d_k(n)
- *
- * r_k(n) = H12(k,n)*s_k(n) + H22(k,n)*d_k(n)
- */
- temp1 = *(ptr_hybrLeftReal) << 1;
- temp2 = *(ptr_hybrRightReal) << 1;
-
-
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftReal) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightReal) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
-
- ptr_hybrLeftImag = &qmfLeftImag[ 3];
- ptr_hybrRightImag = &qmfRightImag[ 3];
-
-
- temp1 = *(ptr_hybrLeftImag) << 1;
- temp2 = *(ptr_hybrRightImag) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftImag) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightImag) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
-
-
- for (group = SUBQMF_GROUPS + 1; group < NO_IID_GROUPS; group++) /* 11 to NO_IID_GROUPS == 22 */
- {
- temp1 = pms->deltaH11[group];
- temp2 = pms->deltaH12[group];
-
- pms->H11[group] += temp1;
- h11 = (Int16)(pms->H11[group] >> 16);
- pms->H12[group] += temp2;
- h12 = (Int16)(pms->H12[group] >> 16);
-
- temp1 = pms->deltaH21[group];
- temp2 = pms->deltaH22[group];
-
- pms->H21[group] += temp1;
- h21 = (Int16)(pms->H21[group] >> 16);
- pms->H22[group] += temp2;
- h22 = (Int16)(pms->H22[group] >> 16);
-
- index = groupBorders[group];
- maxSubband = groupBorders[group + 1];
- maxSubband = min(usb, maxSubband);
-
- /*
- * Reconstruction of Stereo sub-band signal
- *
- * l_k(n) = H11(k,n)*s_k(n) + H21(k,n)*d_k(n)
- *
- * r_k(n) = H12(k,n)*s_k(n) + H22(k,n)*d_k(n)
- */
-
- ptr_hybrLeftReal = &qmfLeftReal[ index];
- ptr_hybrRightReal = &qmfRightReal[ index];
-
- for (subband = index; subband < maxSubband; subband++)
- {
- temp1 = *(ptr_hybrLeftReal) << 1;
- temp2 = *(ptr_hybrRightReal) << 1;
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftReal++) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightReal++) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
- }
-
- ptr_hybrLeftImag = &qmfLeftImag[ index];
- ptr_hybrRightImag = &qmfRightImag[ index];
-
- for (subband = index; subband < maxSubband; subband++)
- {
- temp1 = *(ptr_hybrLeftImag) << 1;
- temp2 = *(ptr_hybrRightImag) << 1;
- temp3 = fxp_mul32_by_16(temp1, h11);
- *(ptr_hybrLeftImag++) = fxp_mac32_by_16(temp2, h21, temp3) << 1;
-
- temp3 = fxp_mul32_by_16(temp1, h12);
- *(ptr_hybrRightImag++) = fxp_mac32_by_16(temp2, h22, temp3) << 1;
-
- } /* subband loop */
-
- } /* groups loop */
-
-} /* END ps_stereo_processing */
-
-
-#endif
-
-
-#endif
-
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