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Diffstat (limited to 'media/libstagefright/codecs/amrnb/common/src/reorder.cpp')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/common/src/reorder.cpp | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/media/libstagefright/codecs/amrnb/common/src/reorder.cpp b/media/libstagefright/codecs/amrnb/common/src/reorder.cpp deleted file mode 100644 index b1e4711..0000000 --- a/media/libstagefright/codecs/amrnb/common/src/reorder.cpp +++ /dev/null @@ -1,199 +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. - * ------------------------------------------------------------------- - */ -/**************************************************************************************** -Portions of this file are derived from the following 3GPP standard: - - 3GPP TS 26.073 - ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec - Available from http://www.3gpp.org - -(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) -Permission to distribute, modify and use this file under the standard license -terms listed above has been obtained from the copyright holder. -****************************************************************************************/ -/* - Filename: /audio/gsm_amr/c/src/reorder.c - ------------------------------------------------------------------------------- - REVISION HISTORY - - Description: - 1. Eliminated unused include file add.h. - 2. Replaced array addressing by pointers - 3. Eliminated math operations that unnecessary checked for - saturation - 4. Replaced loop counter with decrement loops - - Description: Replaced "int" and/or "char" with OSCL defined types. - - Who: Date: - Description: - ------------------------------------------------------------------------------- -*/ - - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ -#include "reorder.h" - -/*---------------------------------------------------------------------------- -; MACROS -; [Define module specific macros here] -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; DEFINES -; [Include all pre-processor statements here. Include conditional -; compile variables also.] -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; LOCAL FUNCTION DEFINITIONS -; [List function prototypes here] -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; LOCAL VARIABLE DEFINITIONS -; [Variable declaration - defined here and used outside this module] -----------------------------------------------------------------------------*/ - - -/* ------------------------------------------------------------------------------- - FUNCTION NAME: Reorder_lsf ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - Inputs: - lsf = vector of LSFs (range: 0<=val<=0.5)(Word16) - min_dist = minimum required distance (Word16) - n = LPC order (Word16) - pOverflow = pointer to overflow (Flag) - - Outputs: - pOverflow -> 1 if the add operation called by Reorder_lsf() results in - overflow - lsf -> reordered vector of LSFs (Word16) - - Returns: - None - - Global Variables Used: - None - - Local Variables Needed: - None - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - This function makes sure that the LSFs are properly ordered keeps a certain - minimum distance between adjacent LSFs. - ------------------------------------------------------------------------------- - REQUIREMENTS - - None - ------------------------------------------------------------------------------- - REFERENCES - - [1] reorder.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 - ------------------------------------------------------------------------------- - PSEUDO-CODE - -void Reorder_lsf ( - Word16 *lsf, // (i/o) : vector of LSFs (range: 0<=val<=0.5) - Word16 min_dist, // (i) : minimum required distance - Word16 n // (i) : LPC order -) -{ - Word16 i; - Word16 lsf_min; - -// The reference ETSI code uses a global flag for Overflow. In the actual -// implementation a pointer to Overflow flag is passed into the function -// for use by the math functions add() and sub() - - lsf_min = min_dist; - for (i = 0; i < n; i++) - { - if (sub (lsf[i], lsf_min) < 0) - { - lsf[i] = lsf_min; - } - lsf_min = add (lsf[i], min_dist); - } -} - ------------------------------------------------------------------------------- - RESOURCES USED [optional] - - When the code is written for a specific target processor the - the resources used should be documented below. - - HEAP MEMORY USED: x bytes - - STACK MEMORY USED: x bytes - - CLOCK CYCLES: (cycle count equation for this function) + (variable - used to represent cycle count for each subroutine - called) - where: (cycle count variable) = cycle count for [subroutine - name] - ------------------------------------------------------------------------------- - CAUTION [optional] - [State any special notes, constraints or cautions for users of this function] - ------------------------------------------------------------------------------- -*/ - -/*---------------------------------------------------------------------------- -; FUNCTION CODE -----------------------------------------------------------------------------*/ -void Reorder_lsf( - Word16 *lsf, /* (i/o) : vector of LSFs (range: 0<=val<=0.5) */ - Word16 min_dist, /* (i) : minimum required distance */ - Word16 n, /* (i) : LPC order */ - Flag *pOverflow /* (i/o) : Overflow flag */ -) -{ - Word16 i; - Word16 lsf_min; - Word16 *p_lsf = &lsf[0]; - OSCL_UNUSED_ARG(pOverflow); - - lsf_min = min_dist; - for (i = 0; i < n; i++) - { - if (*(p_lsf) < lsf_min) - { - *(p_lsf++) = lsf_min; - lsf_min += min_dist; - } - else - { - lsf_min = *(p_lsf++) + min_dist; - } - } -} - |