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Diffstat (limited to 'media/libstagefright/codecs/amrnb/enc/src/l_negate.cpp')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/enc/src/l_negate.cpp | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/media/libstagefright/codecs/amrnb/enc/src/l_negate.cpp b/media/libstagefright/codecs/amrnb/enc/src/l_negate.cpp deleted file mode 100644 index 588abbb..0000000 --- a/media/libstagefright/codecs/amrnb/enc/src/l_negate.cpp +++ /dev/null @@ -1,166 +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. -****************************************************************************************/ -/* ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - Inputs: - L_var1 = 32 bit long signed integer (Word32) whose value falls - in the range : 0x8000 0000 <= L_var1 <= 0x7fff ffff. - - Local Stores/Buffers/Pointers Needed: - None - - Global Stores/Buffers/Pointers Needed: - None - - Outputs: - L_var1 = 32-bit negation of input - - Pointers and Buffers Modified: - None - - Local Stores Modified: - None - - Global Stores Modified: - None - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - This function negates the 32 bit variable, L_var1, with saturation; saturate - in the case where input is -2147483648 (0x8000 0000). - ------------------------------------------------------------------------------- - REQUIREMENTS - - None - ------------------------------------------------------------------------------- - REFERENCES - - [1] basicop2.c, ETS Version 2.0.0, February 8, 1999 - ------------------------------------------------------------------------------- - PSEUDO-CODE - -Word32 L_negate (Word32 L_var1) -{ - Word32 L_var_out; - - L_var_out = (L_var1 == MIN_32) ? MAX_32 : -L_var1; -#if (WMOPS) - multiCounter[currCounter].L_negate++; -#endif - return (L_var_out); -} - ------------------------------------------------------------------------------- - RESOURCES USED - When the code is written for a specific target processor the - the resources used should be documented below. - - STACK USAGE: [stack count for this module] + [variable to represent - stack usage for each subroutine called] - - where: [stack usage variable] = stack usage for [subroutine - name] (see [filename].ext) - - DATA MEMORY USED: x words - - PROGRAM MEMORY USED: x words - - CLOCK CYCLES: [cycle count equation for this module] + [variable - used to represent cycle count for each subroutine - called] - - where: [cycle count variable] = cycle count for [subroutine - name] (see [filename].ext) - ------------------------------------------------------------------------------- -*/ - - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ -#include "basic_op.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 -----------------------------------------------------------------------------*/ -Word32 L_negate(register Word32 L_var1) -{ - /*---------------------------------------------------------------------------- - ; Define all local variables - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; Function body here - ----------------------------------------------------------------------------*/ - L_var1 = (L_var1 == MIN_32) ? MAX_32 : -L_var1; - - /*---------------------------------------------------------------------------- - ; Return nothing or data or data pointer - ----------------------------------------------------------------------------*/ - return (L_var1); -} - |