diff options
Diffstat (limited to 'media/libstagefright/codecs/aacdec/get_ele_list.cpp')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/get_ele_list.cpp | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/media/libstagefright/codecs/aacdec/get_ele_list.cpp b/media/libstagefright/codecs/aacdec/get_ele_list.cpp deleted file mode 100644 index 0534c139..00000000 --- a/media/libstagefright/codecs/aacdec/get_ele_list.cpp +++ /dev/null @@ -1,243 +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. - * ------------------------------------------------------------------- - */ -/* - - Pathname: get_ele_list.c - ------------------------------------------------------------------------------- - REVISION HISTORY - - Description: Modified from original shareware code - - Description: Modified to pass variables by reference to eliminate use - of global variables. - - Description: Change to PacketVideo standard, rename variables. - - Description: Add own header file, make pInputStream second param for speed. - - Description: Changes per code review: - 1) Include header file - 2) Convert to count down - 3) Add return (not in review) - - Description: - (1) Updated copyright header - (2) Replaced include of "interface.h" with "e_ProgConfig.h" - - Description: Replace some instances of getbits to get9_n_lessbits - when the number of bits read is 9 or less and get1bits - when only 1 bit is read. - - Who: Date: - Description: ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - Inputs: - pElementList = pointer to an EleList structure - only the field num_ele - needs to be set. Data type pointer to EleList. - - pInputStream = pointer to a BITS structure, used by the function getbits - to provide data. Data type pointer to BITS - - enableCPE = boolean value indicating the area to be read contains - a channel pair element field. Data type Bool - - - Local Stores/Buffers/Pointers Needed: None - - Global Stores/Buffers/Pointers Needed: None - - Outputs: None - - Pointers and Buffers Modified: - pElementList contents are updated with information pertaining to channel - configuration. - - pInputBuffer contents are updated to the next location to be read from - the input stream. - - Local Stores Modified: None - - Global Stores Modified: None - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - This function is called several times by get_prog_config() to read in part of - the program configuration data related to channel setup. - ------------------------------------------------------------------------------- - REQUIREMENTS - - This function shall not have static or global variables. - ------------------------------------------------------------------------------- - REFERENCES - - (1) ISO/IEC 13818-7:1997 Titled "Information technology - Generic coding - of moving pictures and associated audio information - Part 7: Advanced - Audio Coding (AAC)", Table 6.21 - Syntax of program_config_element(), - page 16, and section 8.5 "Program Config Element (PCE)", page 30. - - (2) MPEG-2 NBC Audio Decoder - "This software module was originally developed by AT&T, Dolby - Laboratories, Fraunhofer Gesellschaft IIS in the course of development - of the MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, 14496-1,2 and - 3. This software module is an implementation of a part of one or more - MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 - Audio standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio - standards free license to this software module or modifications thereof - for use in hardware or software products claiming conformance to the - MPEG-2 NBC/MPEG-4 Audio standards. Those intending to use this software - module in hardware or software products are advised that this use may - infringe existing patents. The original developer of this software - module and his/her company, the subsequent editors and their companies, - and ISO/IEC have no liability for use of this software module or - modifications thereof in an implementation. Copyright is not released - for non MPEG-2 NBC/MPEG-4 Audio conforming products.The original - developer retains full right to use the code for his/her own purpose, - assign or donate the code to a third party and to inhibit third party - from using the code for non MPEG-2 NBC/MPEG-4 Audio conforming products. - This copyright notice must be included in all copies or derivative - works." - Copyright(c)1996. - - ------------------------------------------------------------------------------- - PSEUDO-CODE - - elementCount = pElementList->num_ele; - - FOR (index = 0; index < elementCount; index++) - IF (enableCPE != FALSE) THEN - pElementList->ele_is_cpe[index] = - getbits(LEN_ELE_IS_CPE, pInputStream); - ELSE - pElementList->ele_is_cpe[index] = 0; - END IF - - pElementList->ele_tag[index] = getbits(LEN_TAG, pInputStream); - - END FOR - - RETURNS nothing - ------------------------------------------------------------------------------- - 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 "pv_audio_type_defs.h" -#include "s_elelist.h" -#include "s_bits.h" -#include "e_progconfigconst.h" -#include "ibstream.h" -#include "get_ele_list.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 get_ele_list( - EleList *pElementList, - BITS *pInputStream, - const Bool enableCPE) -{ - Int index; - Int *pEleIsCPE; - Int *pEleTag; - - pEleIsCPE = &pElementList->ele_is_cpe[0]; - pEleTag = &pElementList->ele_tag[0]; - - for (index = pElementList->num_ele; index > 0; index--) - { - if (enableCPE != FALSE) - { - *pEleIsCPE++ = get1bits(/*LEN_ELE_IS_CPE, */pInputStream); - } - else - { - *pEleIsCPE++ = FALSE; - } - - *pEleTag++ = get9_n_lessbits(LEN_TAG, pInputStream); - - } /* end for (index) */ - - return; - -} /* end get_ele_list */ - |