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videoeditorengine/mp3aacManipLib/AACGain/src/sfbdata.cpp
changeset 9 d87d32eab1a9
parent 0 951a5db380a0 
--- a/videoeditorengine/mp3aacManipLib/AACGain/src/sfbdata.cpp	Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,265 +0,0 @@
-/*
-* Copyright (c) 2010 Ixonos Plc.
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - Initial contribution
-*
-* Contributors:
-* Ixonos Plc
-*
-* Description:
-*
-*/
-
-
-/**************************************************************************
-  sfbdata.cpp - Sfb table definitions for AAC.
- 
-  Author(s): Juha Ojanpera
-  Copyright (c) 2000-2004 by Nokia Research Center, Speech and Audio Systems.
-  *************************************************************************/
-
-/*-- Project Headers. --*/
-#include "aacdef.h"
-
-/*
-   Purpose:     Sfb widths (long and short block) for each sampling rate.
-   Explanation: Supports frame lengths 1024 and 960. */
-
-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};
-
-const int16 sfb_96_128[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128};
-const int16 sfb_96_120[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120};
-
-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};
-const int16 sfb_64_960[] = { 
-  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, 960};
-
-const int16 sfb_64_128[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 128};
-const int16 sfb_64_120[] = {4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120};
-
-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};
-const int16 sfb_48_960[] = { 
-  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, 0};
-
-const int16 sfb_48_128[] = 
-{4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 128};
-const int16 sfb_48_120[] =
-{4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 120};
-
-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};
-const int16 sfb_32_960[] =
-{ 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, 0};
-
-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};
-
-const int16 sfb_24_128[] =
-{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 128};
-const int16 sfb_24_120[] =
-{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 120};
-
-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};
-
-const int16 sfb_16_128[] = 
-{ 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 128};
-const int16 sfb_16_120[] =
-{ 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 120};
-
-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};
-const int16 sfb_8_960[] =
-{ 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, 960};
-
-const int16 sfb_8_128[] = 
-{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 128};
-const int16 sfb_8_120[] =
-{ 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 120};
-
-/*
-   Purpose:     Block parameters for each sampling rate.
-   Explanation: - */
-const SR_Info AAC_sampleRateInfo[(1 << LEN_SAMP_IDX)] = {
-
-  /* 96000 */
-  {96000, 41, sfb_96_1024, 12, sfb_96_128, 40, sfb_96_1024, 12, sfb_96_120},
-
-  /* 88200 */
-  {88200, 41, sfb_96_1024, 12, sfb_96_128, 40, sfb_96_1024, 12, sfb_96_120},
-
-  /* 64000 */
-  {64000, 47, sfb_64_1024, 12, sfb_64_128, 46, sfb_64_960,  12, sfb_64_120},
-
-  /* 48000 */
-  {48000, 49, sfb_48_1024, 14, sfb_48_128, 49, sfb_48_960,  14, sfb_48_120},
-
-  /* 44100 */
-  {44100, 49, sfb_48_1024, 14, sfb_48_128, 49, sfb_48_960,  14, sfb_48_120},
-
-  /* 32000 */
-  {32000, 51, sfb_32_1024, 14, sfb_48_128, 49, sfb_32_960,  14, sfb_48_120}, 
-
-  /* 24000 */
-  {24000, 47, sfb_24_1024, 15, sfb_24_128, 46, sfb_24_1024, 15, sfb_24_120},
-
-  /* 22050 */
-  {22050, 47, sfb_24_1024, 15, sfb_24_128, 46, sfb_24_1024, 15, sfb_24_120},
-
-  /* 16000 */
-  {16000, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120},
-
-  /* 12000 */
-  {12000, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120},
-
-  /* 11025 */
-  {11025, 43, sfb_16_1024, 15, sfb_16_128, 42, sfb_16_1024, 15, sfb_16_120},
-
-  /* 8000  */
-  { 8000, 40,  sfb_8_1024, 15, sfb_8_128,  40, sfb_8_960,   15, sfb_8_120},
-
-  {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}};
-
-/*
- * Retrieves AAC sample rate corresponding to the specified sample rate index.
- */
-int32
-AACSampleRate(uint8 sampleRateIdx)
-{
-  int32 sampleRate = 0;
-
-  if(sampleRateIdx > 0 && sampleRateIdx < 12)
-    sampleRate = AAC_sampleRateInfo[sampleRateIdx].samp_rate;
-
-  return (sampleRate);
-}
-
-/*
- * Initializes SFB and sample rate tables for the specified AAC encoder.
- */
-void
-AACSfbInfoInit(CSfb_Info *sfb, uint8 sIndex, uint8 is960)
-{
-  CInfo *ip;
-  const SR_Info *sip;
-  const int16 *sfbands;
-  int16 i, j, k, n, ws;
-
-  sip = &AAC_sampleRateInfo[sIndex];
-
-  /*-- Long block info. --*/
-  ip = sfb->only_long_info;
-  sfb->winmap[ONLY_LONG_WND] = ip;
-
-  ip->nsbk = 1;
-  ip->islong = 1;
-  ip->bins_per_bk = (int16) ((is960) ? LN2_960 : LN2);
-  for(i = 0; i < ip->nsbk; i++)
-  {
-    if(is960)
-    {
-      ip->sfb_per_sbk[i] = sip->nsfb960;
-      ip->sbk_sfb_top[i] = sip->SFbands960;
-    }
-    else
-    {
-      ip->sfb_per_sbk[i] = sip->nsfb1024;
-      ip->sbk_sfb_top[i] = sip->SFbands1024;
-    }
-  }
-  ip->sfb_width_128 = NULL;
-  ip->num_groups = 1;
-  ip->group_len[0] = 1;
-  ip->group_offs[0] = 0;
-
-  /*-- Short block info. --*/
-  ip = sfb->eight_short_info;
-  sfb->winmap[ONLY_SHORT_WND] = ip;
-
-  ip->islong = 0;
-  ip->nsbk = NSHORT;
-  ip->bins_per_bk = (int16) ((is960) ? LN2_960 : LN2);
-  for(i = 0; i < ip->nsbk; i++)
-  {
-    if(is960)
-    {
-      ip->sfb_per_sbk[i] = sip->nsfb120;
-      ip->sbk_sfb_top[i] = sip->SFbands120;
-    }
-    else
-    {
-      ip->sfb_per_sbk[i] = sip->nsfb128;
-      ip->sbk_sfb_top[i] = sip->SFbands128;
-    }
-  }
-  
-  /*-- Construct sfb width table. --*/
-  ip->sfb_width_128 = sfb->sfbwidth128;
-  for(i = 0, j = 0, n = ip->sfb_per_sbk[0]; i < n; i++)
-  {
-    k = ip->sbk_sfb_top[0][i];
-    ip->sfb_width_128[i] = (int16) (k - j);
-    j = k;
-  }
-
-  /*-- Common to long and short. --*/
-  for(ws = 0; ws < NUM_WIN_SEQ; ws++)
-  {
-    if(ws == 1 || ws == 3)
-      continue;
-
-    ip = sfb->winmap[ws];
-    ip->sfb_per_bk = 0;
-    for(i = 0, k= 0, n = 0; i < ip->nsbk; i++)
-    {
-      /*-- Compute bins_per_sbk. --*/
-      ip->bins_per_sbk[i] = (int16) (ip->bins_per_bk / ip->nsbk);
-
-      /*-- Compute sfb_per_bk. --*/
-      ip->sfb_per_bk = (int16) (ip->sfb_per_bk + ip->sfb_per_sbk[i]);
-
-      /*-- Construct default (non-interleaved) bk_sfb_top[]. --*/
-      sfbands = ip->sbk_sfb_top[i];
-      for(j = 0; j < ip->sfb_per_sbk[i]; j++)
-        ip->bk_sfb_top[j + k] = (int16) (sfbands[j] + n);
-
-      n = (int16) (n + ip->bins_per_sbk[i]);
-      k = (int16) (k + ip->sfb_per_sbk[i]);
-    }
-  }
-
-  sfb->winmap[1] = sfb->winmap[ONLY_LONG_WND];
-  sfb->winmap[3] = sfb->winmap[ONLY_LONG_WND];
-}
FCL/sf/app/videoeditor