author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
0
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Committing the Video Editor package under the Eclipse Public License
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/* |
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Committing the Video Editor package under the Eclipse Public License
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* Copyright (c) 2010 Ixonos Plc. |
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* All rights reserved. |
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Committing the Video Editor package under the Eclipse Public License
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* This component and the accompanying materials are made available |
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Committing the Video Editor package under the Eclipse Public License
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* under the terms of the "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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Committing the Video Editor package under the Eclipse Public License
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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Committing the Video Editor package under the Eclipse Public License
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* Initial Contributors: |
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Committing the Video Editor package under the Eclipse Public License
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* Nokia Corporation - Initial contribution |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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* Contributors: |
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Committing the Video Editor package under the Eclipse Public License
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* Ixonos Plc |
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Committing the Video Editor package under the Eclipse Public License
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* |
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* Description: |
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Committing the Video Editor package under the Eclipse Public License
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* |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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Committing the Video Editor package under the Eclipse Public License
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|
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/************************************************************************** |
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sfbdata.cpp - Sfb table definitions for AAC. |
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|
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Author(s): Juha Ojanpera |
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Copyright (c) 2000-2004 by Nokia Research Center, Speech and Audio Systems. |
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*************************************************************************/ |
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|
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/*-- Project Headers. --*/ |
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#include "aacdef.h" |
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|
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/* |
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Purpose: Sfb widths (long and short block) for each sampling rate. |
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Explanation: Supports frame lengths 1024 and 960. */ |
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const int16 sfb_96_1024[] = { |
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, 72, 80, 88, 96, |
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Committing the Video Editor package under the Eclipse Public License
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108, 120, 132, 144, 156, 172, 188, 212, 240, 276, 320, 384, 448, 512, 576, |
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640, 704, 768, 832, 896, 960, 1024}; |
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|
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const int16 sfb_96_128[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128}; |
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const int16 sfb_96_120[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120}; |
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Committing the Video Editor package under the Eclipse Public License
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|
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const int16 sfb_64_1024[] = { |
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Committing the Video Editor package under the Eclipse Public License
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, 72, 80, 88, 100, |
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Committing the Video Editor package under the Eclipse Public License
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112, 124, 140, 156, 172, 192, 216, 240, 268, 304, 344, 384, 424, 464, 504, |
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Committing the Video Editor package under the Eclipse Public License
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544, 584, 624, 664, 704, 744, 784, 824, 864, 904, 944, 984, 1024}; |
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Committing the Video Editor package under the Eclipse Public License
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const int16 sfb_64_960[] = { |
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 64, 72, 80, 88, 100, |
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112, 124, 140, 156, 172, 192, 216, 240, 268, 304, 344, 384, 424, 464, 504, |
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544, 584, 624, 664, 704, 744, 784, 824, 864, 904, 944, 960}; |
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|
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const int16 sfb_64_128[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128}; |
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const int16 sfb_64_120[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120}; |
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|
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const int16 sfb_48_1024[] = { |
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Committing the Video Editor package under the Eclipse Public License
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, 108, 120, |
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132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, |
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512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 1024}; |
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const int16 sfb_48_960[] = { |
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, 108, 120, |
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132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, |
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512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, 0}; |
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|
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const int16 sfb_48_128[] = |
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{4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128}; |
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const int16 sfb_48_120[] = |
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{4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 120}; |
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|
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const int16 sfb_32_1024[] = { |
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, 108, 120, |
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132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, |
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512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, |
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992, 1024}; |
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const int16 sfb_32_960[] = |
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{ 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 48, 56, 64, 72, 80, 88, 96, 108, 120, |
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132, 144, 160, 176, 196, 216, 240, 264, 292, 320, 352, 384, 416, 448, 480, |
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512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864, 896, 928, 960, 0}; |
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|
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const int16 sfb_24_1024[] = { |
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4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 52, 60, 68, 76, 84, 92, 100, 108, |
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116, 124, 136, 148, 160, 172, 188, 204, 220, 240, 260, 284, 308, 336, 364, |
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396, 432, 468, 508, 552, 600, 652, 704, 768, 832, 896, 960, 1024}; |
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|
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const int16 sfb_24_128[] = |
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{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128}; |
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const int16 sfb_24_120[] = |
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{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 120}; |
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|
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const int16 sfb_16_1024[] = { |
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8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 100, 112, 124, 136, 148, 160, |
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172, 184, 196, 212, 228, 244, 260, 280, 300, 320, 344, 368, 396, 424, 456, |
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492, 532, 572, 616, 664, 716, 772, 832, 896, 960, 1024}; |
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|
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const int16 sfb_16_128[] = |
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{ 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128}; |
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const int16 sfb_16_120[] = |
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{ 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 120}; |
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|
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const int16 sfb_8_1024[] = { |
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12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 172, 188, 204, 220, |
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236, 252, 268, 288, 308, 328, 348, 372, 396, 420, 448, 476, 508, 544, 580, |
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620, 664, 712, 764, 820, 880, 944, 1024}; |
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Committing the Video Editor package under the Eclipse Public License
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102 |
const int16 sfb_8_960[] = |
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103 |
{ 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 172, 188, 204, |
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104 |
220, 236, 252, 268, 288, 308, 328, 348, 372, 396, 420, 448, 476, 508, 544, |
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105 |
580, 620, 664, 712, 764, 820, 880, 944, 960}; |
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106 |
|
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107 |
const int16 sfb_8_128[] = |
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108 |
{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128}; |
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109 |
const int16 sfb_8_120[] = |
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110 |
{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 120}; |
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111 |
|
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112 |
/* |
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113 |
Purpose: Block parameters for each sampling rate. |
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114 |
Explanation: - */ |
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115 |
const SR_Info AAC_sampleRateInfo[(1 << LEN_SAMP_IDX)] = { |
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116 |
|
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117 |
/* 96000 */ |
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118 |
{96000, 41, sfb_96_1024, 12, sfb_96_128, 40, sfb_96_1024, 12, sfb_96_120}, |
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119 |
|
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120 |
/* 88200 */ |
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121 |
{88200, 41, sfb_96_1024, 12, sfb_96_128, 40, sfb_96_1024, 12, sfb_96_120}, |
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122 |
|
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123 |
/* 64000 */ |
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124 |
{64000, 47, sfb_64_1024, 12, sfb_64_128, 46, sfb_64_960, 12, sfb_64_120}, |
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125 |
|
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126 |
/* 48000 */ |
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127 |
{48000, 49, sfb_48_1024, 14, sfb_48_128, 49, sfb_48_960, 14, sfb_48_120}, |
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128 |
|
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129 |
/* 44100 */ |
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130 |
{44100, 49, sfb_48_1024, 14, sfb_48_128, 49, sfb_48_960, 14, sfb_48_120}, |
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131 |
|
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132 |
/* 32000 */ |
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133 |
{32000, 51, sfb_32_1024, 14, sfb_48_128, 49, sfb_32_960, 14, sfb_48_120}, |
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134 |
|
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135 |
/* 24000 */ |
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136 |
{24000, 47, sfb_24_1024, 15, sfb_24_128, 46, sfb_24_1024, 15, sfb_24_120}, |
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Committing the Video Editor package under the Eclipse Public License
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137 |
|
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138 |
/* 22050 */ |
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139 |
{22050, 47, sfb_24_1024, 15, sfb_24_128, 46, sfb_24_1024, 15, sfb_24_120}, |
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Committing the Video Editor package under the Eclipse Public License
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140 |
|
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141 |
/* 16000 */ |
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Committing the Video Editor package under the Eclipse Public License
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142 |
{16000, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120}, |
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Committing the Video Editor package under the Eclipse Public License
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143 |
|
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144 |
/* 12000 */ |
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145 |
{12000, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120}, |
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Committing the Video Editor package under the Eclipse Public License
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146 |
|
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147 |
/* 11025 */ |
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148 |
{11025, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120}, |
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149 |
|
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150 |
/* 8000 */ |
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151 |
{ 8000, 40, sfb_8_1024, 15, sfb_8_128, 40, sfb_8_960, 15, sfb_8_120}, |
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Committing the Video Editor package under the Eclipse Public License
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152 |
|
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153 |
{0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0}}; |
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Committing the Video Editor package under the Eclipse Public License
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154 |
|
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155 |
/* |
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156 |
* Retrieves AAC sample rate corresponding to the specified sample rate index. |
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157 |
*/ |
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158 |
int32 |
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159 |
AACSampleRate(uint8 sampleRateIdx) |
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160 |
{ |
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161 |
int32 sampleRate = 0; |
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Committing the Video Editor package under the Eclipse Public License
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162 |
|
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163 |
if(sampleRateIdx > 0 && sampleRateIdx < 12) |
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Committing the Video Editor package under the Eclipse Public License
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164 |
sampleRate = AAC_sampleRateInfo[sampleRateIdx].samp_rate; |
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Committing the Video Editor package under the Eclipse Public License
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165 |
|
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166 |
return (sampleRate); |
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Committing the Video Editor package under the Eclipse Public License
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167 |
} |
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Committing the Video Editor package under the Eclipse Public License
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|
168 |
|
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169 |
/* |
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170 |
* Initializes SFB and sample rate tables for the specified AAC encoder. |
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171 |
*/ |
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172 |
void |
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173 |
AACSfbInfoInit(CSfb_Info *sfb, uint8 sIndex, uint8 is960) |
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174 |
{ |
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175 |
CInfo *ip; |
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176 |
const SR_Info *sip; |
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177 |
const int16 *sfbands; |
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178 |
int16 i, j, k, n, ws; |
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179 |
|
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180 |
sip = &AAC_sampleRateInfo[sIndex]; |
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Committing the Video Editor package under the Eclipse Public License
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181 |
|
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182 |
/*-- Long block info. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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183 |
ip = sfb->only_long_info; |
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Committing the Video Editor package under the Eclipse Public License
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184 |
sfb->winmap[ONLY_LONG_WND] = ip; |
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Committing the Video Editor package under the Eclipse Public License
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185 |
|
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186 |
ip->nsbk = 1; |
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Committing the Video Editor package under the Eclipse Public License
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187 |
ip->islong = 1; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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188 |
ip->bins_per_bk = (int16) ((is960) ? LN2_960 : LN2); |
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Committing the Video Editor package under the Eclipse Public License
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189 |
for(i = 0; i < ip->nsbk; i++) |
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Committing the Video Editor package under the Eclipse Public License
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190 |
{ |
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Committing the Video Editor package under the Eclipse Public License
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191 |
if(is960) |
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Committing the Video Editor package under the Eclipse Public License
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192 |
{ |
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Committing the Video Editor package under the Eclipse Public License
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193 |
ip->sfb_per_sbk[i] = sip->nsfb960; |
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Committing the Video Editor package under the Eclipse Public License
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194 |
ip->sbk_sfb_top[i] = sip->SFbands960; |
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Committing the Video Editor package under the Eclipse Public License
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195 |
} |
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Committing the Video Editor package under the Eclipse Public License
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196 |
else |
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Committing the Video Editor package under the Eclipse Public License
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197 |
{ |
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198 |
ip->sfb_per_sbk[i] = sip->nsfb1024; |
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Committing the Video Editor package under the Eclipse Public License
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199 |
ip->sbk_sfb_top[i] = sip->SFbands1024; |
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Committing the Video Editor package under the Eclipse Public License
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200 |
} |
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Committing the Video Editor package under the Eclipse Public License
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201 |
} |
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Committing the Video Editor package under the Eclipse Public License
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202 |
ip->sfb_width_128 = NULL; |
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Committing the Video Editor package under the Eclipse Public License
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203 |
ip->num_groups = 1; |
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Committing the Video Editor package under the Eclipse Public License
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204 |
ip->group_len[0] = 1; |
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Committing the Video Editor package under the Eclipse Public License
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205 |
ip->group_offs[0] = 0; |
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Committing the Video Editor package under the Eclipse Public License
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206 |
|
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207 |
/*-- Short block info. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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208 |
ip = sfb->eight_short_info; |
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Committing the Video Editor package under the Eclipse Public License
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209 |
sfb->winmap[ONLY_SHORT_WND] = ip; |
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210 |
|
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Committing the Video Editor package under the Eclipse Public License
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211 |
ip->islong = 0; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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ip->nsbk = NSHORT; |
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ip->bins_per_bk = (int16) ((is960) ? LN2_960 : LN2); |
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for(i = 0; i < ip->nsbk; i++) |
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{ |
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if(is960) |
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{ |
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ip->sfb_per_sbk[i] = sip->nsfb120; |
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ip->sbk_sfb_top[i] = sip->SFbands120; |
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} |
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else |
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{ |
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ip->sfb_per_sbk[i] = sip->nsfb128; |
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ip->sbk_sfb_top[i] = sip->SFbands128; |
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Committing the Video Editor package under the Eclipse Public License
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225 |
} |
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226 |
} |
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227 |
|
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/*-- Construct sfb width table. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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ip->sfb_width_128 = sfb->sfbwidth128; |
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230 |
for(i = 0, j = 0, n = ip->sfb_per_sbk[0]; i < n; i++) |
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Committing the Video Editor package under the Eclipse Public License
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231 |
{ |
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232 |
k = ip->sbk_sfb_top[0][i]; |
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ip->sfb_width_128[i] = (int16) (k - j); |
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Committing the Video Editor package under the Eclipse Public License
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234 |
j = k; |
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Committing the Video Editor package under the Eclipse Public License
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235 |
} |
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Committing the Video Editor package under the Eclipse Public License
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236 |
|
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Committing the Video Editor package under the Eclipse Public License
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237 |
/*-- Common to long and short. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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238 |
for(ws = 0; ws < NUM_WIN_SEQ; ws++) |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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239 |
{ |
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Committing the Video Editor package under the Eclipse Public License
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240 |
if(ws == 1 || ws == 3) |
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Committing the Video Editor package under the Eclipse Public License
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241 |
continue; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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242 |
|
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Committing the Video Editor package under the Eclipse Public License
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243 |
ip = sfb->winmap[ws]; |
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Committing the Video Editor package under the Eclipse Public License
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244 |
ip->sfb_per_bk = 0; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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245 |
for(i = 0, k= 0, n = 0; i < ip->nsbk; i++) |
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Committing the Video Editor package under the Eclipse Public License
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246 |
{ |
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Committing the Video Editor package under the Eclipse Public License
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247 |
/*-- Compute bins_per_sbk. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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248 |
ip->bins_per_sbk[i] = (int16) (ip->bins_per_bk / ip->nsbk); |
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Committing the Video Editor package under the Eclipse Public License
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249 |
|
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Committing the Video Editor package under the Eclipse Public License
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250 |
/*-- Compute sfb_per_bk. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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251 |
ip->sfb_per_bk = (int16) (ip->sfb_per_bk + ip->sfb_per_sbk[i]); |
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Committing the Video Editor package under the Eclipse Public License
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|
252 |
|
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Committing the Video Editor package under the Eclipse Public License
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253 |
/*-- Construct default (non-interleaved) bk_sfb_top[]. --*/ |
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Committing the Video Editor package under the Eclipse Public License
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254 |
sfbands = ip->sbk_sfb_top[i]; |
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Committing the Video Editor package under the Eclipse Public License
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255 |
for(j = 0; j < ip->sfb_per_sbk[i]; j++) |
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Committing the Video Editor package under the Eclipse Public License
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|
256 |
ip->bk_sfb_top[j + k] = (int16) (sfbands[j] + n); |
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Committing the Video Editor package under the Eclipse Public License
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257 |
|
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Committing the Video Editor package under the Eclipse Public License
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258 |
n = (int16) (n + ip->bins_per_sbk[i]); |
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Committing the Video Editor package under the Eclipse Public License
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259 |
k = (int16) (k + ip->sfb_per_sbk[i]); |
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Committing the Video Editor package under the Eclipse Public License
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260 |
} |
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Committing the Video Editor package under the Eclipse Public License
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|
261 |
} |
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Committing the Video Editor package under the Eclipse Public License
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|
262 |
|
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Committing the Video Editor package under the Eclipse Public License
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|
263 |
sfb->winmap[1] = sfb->winmap[ONLY_LONG_WND]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
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|
264 |
sfb->winmap[3] = sfb->winmap[ONLY_LONG_WND]; |
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Committing the Video Editor package under the Eclipse Public License
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265 |
} |