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-rw-r--r--media/libstagefright/codecs/aacdec/sfb.cpp275
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diff --git a/media/libstagefright/codecs/aacdec/sfb.cpp b/media/libstagefright/codecs/aacdec/sfb.cpp
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--- a/media/libstagefright/codecs/aacdec/sfb.cpp
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-/* ------------------------------------------------------------------
- * 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: ./src/sfb.c
-
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
- Description: created to define the scalefactor bands for all sampling rates
-
- Description: Change short to Int16
-
- Description: Modified structure to avoid assigning addresses to constant
- tables. This solve linking problem when using the
- /ropi option (Read-only position independent) for some
- compilers
- - Eliminated redundant vector sfb_96_128.
- - Eliminated references to contant vector addresses in
- samp_rate_info
-
- Who: Date:
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
- Inputs:
-
- Local Stores/Buffers/Pointers Needed:
-
- Global Stores/Buffers/Pointers Needed:
-
- Outputs:
-
- Pointers and Buffers Modified:
-
-
- Local Stores Modified:
-
- Global Stores Modified:
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- This function defines the scalefactor bands for all sampling rates
-
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
- (1) ISO/IEC 14496-3: 1999(E)
- Subpart 4 p66 (sfb tables)
- p111 (4.6.10)
- p200 (Annex 4.B.5)
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
- 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 "sfb.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
-----------------------------------------------------------------------------*/
-const Int16 sfb_96_1024[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 44, 48, 52, 56,
- 64, 72, 80, 88, 96, 108, 120,
- 132, 144, 156, 172, 188, 212, 240,
- 276, 320, 384, 448, 512, 576, 640,
- 704, 768, 832, 896, 960, 1024
-}; /* 41 scfbands */
-
-const Int16 sfb_64_1024[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 44, 48, 52, 56,
- 64, 72, 80, 88, 100, 112, 124,
- 140, 156, 172, 192, 216, 240, 268,
- 304, 344, 384, 424, 464, 504, 544,
- 584, 624, 664, 704, 744, 784, 824,
- 864, 904, 944, 984, 1024
-}; /* 41 scfbands 47 */
-
-const Int16 sfb_64_128[] =
-{
- 4, 8, 12, 16, 20, 24, 32,
- 40, 48, 64, 92, 128
-}; /* 12 scfbands */
-
-
-const Int16 sfb_48_1024[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 48, 56, 64, 72,
- 80, 88, 96, 108, 120, 132, 144,
- 160, 176, 196, 216, 240, 264, 292,
- 320, 352, 384, 416, 448, 480, 512,
- 544, 576, 608, 640, 672, 704, 736,
- 768, 800, 832, 864, 896, 928, 1024
-};
-/* 49 scfbands*/
-
-const Int16 sfb_48_128[] =
-{
- 4, 8, 12, 16, 20, 28, 36,
- 44, 56, 68, 80, 96, 112, 128
-}; /* 14 scfbands */
-
-const Int16 sfb_32_1024[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 48, 56, 64, 72,
- 80, 88, 96, 108, 120, 132, 144,
- 160, 176, 196, 216, 240, 264, 292,
- 320, 352, 384, 416, 448, 480, 512,
- 544, 576, 608, 640, 672, 704, 736,
- 768, 800, 832, 864, 896, 928, 960,
- 992, 1024
-}; /* 51 scfbands */
-
-const Int16 sfb_24_1024[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 44, 52, 60, 68,
- 76, 84, 92, 100, 108, 116, 124,
- 136, 148, 160, 172, 188, 204, 220,
- 240, 260, 284, 308, 336, 364, 396,
- 432, 468, 508, 552, 600, 652, 704,
- 768, 832, 896, 960, 1024
-}; /* 47 scfbands */
-
-const Int16 sfb_24_128[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 36, 44, 52, 64, 76, 92, 108,
- 128
-}; /* 15 scfbands */
-
-const Int16 sfb_16_1024[] =
-{
- 8, 16, 24, 32, 40, 48, 56,
- 64, 72, 80, 88, 100, 112, 124,
- 136, 148, 160, 172, 184, 196, 212,
- 228, 244, 260, 280, 300, 320, 344,
- 368, 396, 424, 456, 492, 532, 572,
- 616, 664, 716, 772, 832, 896, 960,
- 1024
-}; /* 43 scfbands */
-
-const Int16 sfb_16_128[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 32, 40, 48, 60, 72, 88, 108,
- 128
-}; /* 15 scfbands */
-
-const Int16 sfb_8_1024[] =
-{
- 12, 24, 36, 48, 60, 72, 84,
- 96, 108, 120, 132, 144, 156, 172,
- 188, 204, 220, 236, 252, 268, 288,
- 308, 328, 348, 372, 396, 420, 448,
- 476, 508, 544, 580, 620, 664, 712,
- 764, 820, 880, 944, 1024
-}; /* 40 scfbands */
-
-const Int16 sfb_8_128[] =
-{
- 4, 8, 12, 16, 20, 24, 28,
- 36, 44, 52, 60, 72, 88, 108,
- 128
-}; /* 15 scfbands */
-
-const SR_Info samp_rate_info[12] =
-{
- /* sampling_frequency, #long sfb, #short sfb */
- /* samp_rate, nsfb1024, nsfb128 */
- {96000, 41, 12}, /* 96000 */
- {88200, 41, 12}, /* 88200 */
- {64000, 47, 12}, /* 64000 */
- {48000, 49, 14}, /* 48000 */
- {44100, 49, 14}, /* 44100 */
- {32000, 51, 14}, /* 32000 */
- {24000, 47, 15}, /* 24000 */
- {22050, 47, 15}, /* 22050 */
- {16000, 43, 15}, /* 16000 */
- {12000, 43, 15}, /* 12000 */
- {11025, 43, 15}, /* 11025 */
- { 8000, 40, 15}, /* 8000 */
-};
-
-
-/*----------------------------------------------------------------------------
-; 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
-----------------------------------------------------------------------------*/
-
-