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Diffstat (limited to 'media/libstagefright/codecs/aacdec/ps_applied.cpp')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/ps_applied.cpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/media/libstagefright/codecs/aacdec/ps_applied.cpp b/media/libstagefright/codecs/aacdec/ps_applied.cpp deleted file mode 100644 index 77fd8a7..0000000 --- a/media/libstagefright/codecs/aacdec/ps_applied.cpp +++ /dev/null @@ -1,216 +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_applied.c - ------------------------------------------------------------------------------- - REVISION HISTORY - - - Who: Date: MM/DD/YYYY - Description: - ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - Applies Parametric Stereo Tool to a QMF-analized mono signal - providing a stereo image as output - - - _______ ________ - | | _______ | | - ->|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 "aac_mem_funcs.h" -#include "ps_stereo_processing.h" -#include "ps_decorrelate.h" -#include "ps_hybrid_synthesis.h" -#include "ps_hybrid_analysis.h" -#include "ps_applied.h" - -/*---------------------------------------------------------------------------- -; MACROS -; Define module specific macros here -----------------------------------------------------------------------------*/ - - -/*---------------------------------------------------------------------------- -; 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_applied(STRUCT_PS_DEC *h_ps_dec, - Int32 rIntBufferLeft[][64], - Int32 iIntBufferLeft[][64], - Int32 *rIntBufferRight, - Int32 *iIntBufferRight, - Int32 scratch_mem[], - Int32 band) - -{ - - /* - * Get higher frequency resolution in the lower QMF subbands - * creating sub-subbands - */ - ps_hybrid_analysis(rIntBufferLeft, - iIntBufferLeft, - h_ps_dec->mHybridRealLeft, - h_ps_dec->mHybridImagLeft, - h_ps_dec->hHybrid, - scratch_mem, - band); - - /* - * By means of delaying and all-pass filtering, sub-subbands of - * left ch. are decorrelate to creates right ch. sub-subbands - */ - - ps_decorrelate(h_ps_dec, - *rIntBufferLeft, - *iIntBufferLeft, - rIntBufferRight, - iIntBufferRight, - scratch_mem); - - /* - * sub-subbands of left and right ch. are processed according to - * stereo clues. - */ - - ps_stereo_processing(h_ps_dec, - *rIntBufferLeft, - *iIntBufferLeft, - rIntBufferRight, - iIntBufferRight); - - /* - * Reconstruct stereo signals - */ - - ps_hybrid_synthesis((const Int32*)h_ps_dec->mHybridRealLeft, - (const Int32*)h_ps_dec->mHybridImagLeft, - *rIntBufferLeft, - *iIntBufferLeft, - h_ps_dec->hHybrid); - - ps_hybrid_synthesis((const Int32*)h_ps_dec->mHybridRealRight, - (const Int32*)h_ps_dec->mHybridImagRight, - rIntBufferRight, - iIntBufferRight, - h_ps_dec->hHybrid); - -}/* END ps_applied */ -#endif - - -#endif - |