diff options
Diffstat (limited to 'libSBRenc/src/fram_gen.cpp')
| -rw-r--r-- | libSBRenc/src/fram_gen.cpp | 2022 |
1 files changed, 961 insertions, 1061 deletions
diff --git a/libSBRenc/src/fram_gen.cpp b/libSBRenc/src/fram_gen.cpp index 9a35111..7ed6e79 100644 --- a/libSBRenc/src/fram_gen.cpp +++ b/libSBRenc/src/fram_gen.cpp @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2015 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. +© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +Forschung e.V. All rights reserved. 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. +The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software +that implements the MPEG Advanced Audio Coding ("AAC") encoding and decoding +scheme for digital audio. This FDK AAC Codec software is intended to be used on +a wide variety of Android devices. + +AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient +general perceptual audio codecs. AAC-ELD is considered the best-performing +full-bandwidth communications codec by independent studies and is widely +deployed. AAC has been standardized by ISO and IEC as part of the MPEG +specifications. + +Patent licenses for necessary patent claims for the FDK AAC Codec (including +those of Fraunhofer) may be obtained through Via Licensing +(www.vialicensing.com) or through the respective patent owners individually for +the purpose of encoding or decoding bit streams in products that are compliant +with the ISO/IEC MPEG audio standards. Please note that most manufacturers of +Android devices already license these patent claims through Via Licensing or +directly from the patent owners, and therefore FDK AAC Codec software may +already be covered under those patent licenses when it is used for those +licensed purposes only. + +Commercially-licensed AAC software libraries, including floating-point versions +with enhanced sound quality, are also available from Fraunhofer. Users are +encouraged to check the Fraunhofer website for additional applications +information and documentation. 2. COPYRIGHT LICENSE -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: +Redistribution and use in source and binary forms, with or without modification, +are permitted without payment of copyright license fees provided that you +satisfy the following conditions: -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. +You must retain the complete text of this software license in redistributions of +the FDK AAC Codec or your modifications thereto in source code form. -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your +You must retain the complete text of this software license in the documentation +and/or other materials provided with redistributions of the FDK AAC Codec or +your modifications thereto in binary form. You must make available free of +charge copies of the complete source code of the FDK AAC Codec and your modifications thereto to recipients of copies in binary form. -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. +The name of Fraunhofer may not be used to endorse or promote products derived +from this library without prior written permission. -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. +You may not charge copyright license fees for anyone to use, copy or distribute +the FDK AAC Codec software or your modifications thereto. -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." +Your modified versions of the FDK AAC Codec must carry prominent notices stating +that you changed the software and the date of any change. For modified versions +of the FDK AAC Codec, the term "Fraunhofer FDK AAC Codec Library for Android" +must be replaced by the term "Third-Party Modified Version of the Fraunhofer FDK +AAC Codec Library for Android." 3. NO PATENT LICENSE -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. +NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without +limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE. +Fraunhofer provides no warranty of patent non-infringement with respect to this +software. -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. +You may use this FDK AAC Codec software or modifications thereto only for +purposes that are authorized by appropriate patent licenses. 4. DISCLAIMER -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. +This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright +holders and contributors "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, +including but not limited to the implied warranties of merchantability and +fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, +or consequential damages, including but not limited to procurement of substitute +goods or services; loss of use, data, or profits, or business interruption, +however caused and on any theory of liability, whether in contract, strict +liability, or tort (including negligence), arising in any way out of the use of +this software, even if advised of the possibility of such damage. 5. CONTACT INFORMATION @@ -79,272 +90,235 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ + +/**************************** SBR encoder library ****************************** + + Author(s): + + Description: + +*******************************************************************************/ #include "fram_gen.h" #include "sbr_misc.h" #include "genericStds.h" -static const SBR_FRAME_INFO frameInfo1_2048 = { - 1, - { 0, 16}, - {FREQ_RES_HIGH}, - 0, - 1, - {0, 16} }; +static const SBR_FRAME_INFO frameInfo1_2048 = {1, {0, 16}, {FREQ_RES_HIGH}, + 0, 1, {0, 16}}; static const SBR_FRAME_INFO frameInfo2_2048 = { - 2, - { 0, 8, 16}, - {FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 8, 16} }; + 2, {0, 8, 16}, {FREQ_RES_HIGH, FREQ_RES_HIGH}, 0, 2, {0, 8, 16}}; static const SBR_FRAME_INFO frameInfo4_2048 = { - 4, - { 0, 4, 8, 12, 16}, - {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 8, 16} }; - -static const SBR_FRAME_INFO frameInfo1_2304 = { - 1, - { 0, 18}, - {FREQ_RES_HIGH}, - 0, - 1, - { 0, 18} }; + 4, + {0, 4, 8, 12, 16}, + {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, + 0, + 2, + {0, 8, 16}}; + +static const SBR_FRAME_INFO frameInfo1_2304 = {1, {0, 18}, {FREQ_RES_HIGH}, + 0, 1, {0, 18}}; static const SBR_FRAME_INFO frameInfo2_2304 = { - 2, - { 0, 9, 18}, - {FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 9, 18} }; + 2, {0, 9, 18}, {FREQ_RES_HIGH, FREQ_RES_HIGH}, 0, 2, {0, 9, 18}}; static const SBR_FRAME_INFO frameInfo4_2304 = { - 4, - { 0, 5, 9, 14, 18}, - {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 9, 18} }; - -static const SBR_FRAME_INFO frameInfo1_1920 = { - 1, - { 0, 15}, - {FREQ_RES_HIGH}, - 0, - 1, - { 0, 15} }; + 4, + {0, 5, 9, 14, 18}, + {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, + 0, + 2, + {0, 9, 18}}; + +static const SBR_FRAME_INFO frameInfo1_1920 = {1, {0, 15}, {FREQ_RES_HIGH}, + 0, 1, {0, 15}}; static const SBR_FRAME_INFO frameInfo2_1920 = { - 2, - { 0, 8, 15}, - {FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 8, 15} }; + 2, {0, 8, 15}, {FREQ_RES_HIGH, FREQ_RES_HIGH}, 0, 2, {0, 8, 15}}; static const SBR_FRAME_INFO frameInfo4_1920 = { - 4, - { 0, 4, 8, 12, 15}, - {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 8, 15} }; - -static const SBR_FRAME_INFO frameInfo1_1152 = { - 1, - { 0, 9}, - {FREQ_RES_HIGH}, - 0, - 1, - { 0, 9} }; + 4, + {0, 4, 8, 12, 15}, + {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, + 0, + 2, + {0, 8, 15}}; + +static const SBR_FRAME_INFO frameInfo1_1152 = {1, {0, 9}, {FREQ_RES_HIGH}, + 0, 1, {0, 9}}; static const SBR_FRAME_INFO frameInfo2_1152 = { - 2, - { 0, 5, 9}, - {FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 5, 9} }; + 2, {0, 5, 9}, {FREQ_RES_HIGH, FREQ_RES_HIGH}, 0, 2, {0, 5, 9}}; static const SBR_FRAME_INFO frameInfo4_1152 = { - 4, - { 0, 2, 5, - 7, 9}, - {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - { 0, 5, 9} }; - + 4, + {0, 2, 5, 7, 9}, + {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, + 0, + 2, + {0, 5, 9}}; /* AACLD frame info */ -static const SBR_FRAME_INFO frameInfo1_512LD = { - 1, - {0, 8}, - {FREQ_RES_HIGH}, - 0, - 1, - {0, 8}}; +static const SBR_FRAME_INFO frameInfo1_512LD = {1, {0, 8}, {FREQ_RES_HIGH}, + 0, 1, {0, 8}}; static const SBR_FRAME_INFO frameInfo2_512LD = { - 2, - {0, 4, 8}, - {FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - {0, 4, 8}}; + 2, {0, 4, 8}, {FREQ_RES_HIGH, FREQ_RES_HIGH}, 0, 2, {0, 4, 8}}; static const SBR_FRAME_INFO frameInfo4_512LD = { - 4, - {0, 2, 4, 6, 8}, - {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, - 0, - 2, - {0, 4, 8}}; - -static int -calcFillLengthMax (int tranPos, /*!< input : transient position (ref: tran det) */ - int numberTimeSlots /*!< input : number of timeslots */ - ); - -static void -fillFrameTran (const int *v_tuningSegm, /*!< tuning: desired segment lengths */ - const int *v_tuningFreq, /*!< tuning: desired frequency resolutions */ - int tran, /*!< input : position of transient */ - int *v_bord, /*!< memNew: borders */ - int *length_v_bord, /*!< memNew: # borders */ - int *v_freq, /*!< memNew: frequency resolutions */ - int *length_v_freq, /*!< memNew: # frequency resolutions */ - int *bmin, /*!< hlpNew: first mandatory border */ - int *bmax /*!< hlpNew: last mandatory border */ - ); - -static void fillFramePre (INT dmax, INT *v_bord, INT *length_v_bord, - INT *v_freq, INT *length_v_freq, INT bmin, - INT rest); - -static void fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, - INT *length_v_bord, INT *v_freq, - INT *length_v_freq, INT bmax, - INT bufferFrameStart, INT numberTimeSlots, INT fmax); - -static void fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, - INT *length_v_bord, INT bmin, INT *v_freq, - INT *length_v_freq, INT *v_bordFollow, - INT *length_v_bordFollow, INT *v_freqFollow, - INT *length_v_freqFollow, INT i_fillFollow, - INT dmin, INT dmax, INT numberTimeSlots); - -static void calcFrameClass (FRAME_CLASS *frameClass, FRAME_CLASS *frameClassOld, INT tranFlag, - INT *spreadFlag); - -static void specialCase (INT *spreadFlag, INT allowSpread, INT *v_bord, - INT *length_v_bord, INT *v_freq, INT *length_v_freq, - INT *parts, INT d); - -static void calcCmonBorder (INT *i_cmon, INT *i_tran, INT *v_bord, - INT *length_v_bord, INT tran, - INT bufferFrameStart, INT numberTimeSlots); - -static void keepForFollowUp (INT *v_bordFollow, INT *length_v_bordFollow, - INT *v_freqFollow, INT *length_v_freqFollow, - INT *i_tranFollow, INT *i_fillFollow, - INT *v_bord, INT *length_v_bord, INT *v_freq, - INT i_cmon, INT i_tran, INT parts, INT numberTimeSlots); - -static void calcCtrlSignal (HANDLE_SBR_GRID hSbrGrid, FRAME_CLASS frameClass, - INT *v_bord, INT length_v_bord, INT *v_freq, - INT length_v_freq, INT i_cmon, INT i_tran, - INT spreadFlag, INT nL); - -static void ctrlSignal2FrameInfo (HANDLE_SBR_GRID hSbrGrid, - HANDLE_SBR_FRAME_INFO hFrameInfo, - FREQ_RES *freq_res_fixfix); - + 4, + {0, 2, 4, 6, 8}, + {FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}, + 0, + 2, + {0, 4, 8}}; + +static int calcFillLengthMax( + int tranPos, /*!< input : transient position (ref: tran det) */ + int numberTimeSlots /*!< input : number of timeslots */ +); + +static void fillFrameTran( + const int *v_tuningSegm, /*!< tuning: desired segment lengths */ + const int *v_tuningFreq, /*!< tuning: desired frequency resolutions */ + int tran, /*!< input : position of transient */ + int *v_bord, /*!< memNew: borders */ + int *length_v_bord, /*!< memNew: # borders */ + int *v_freq, /*!< memNew: frequency resolutions */ + int *length_v_freq, /*!< memNew: # frequency resolutions */ + int *bmin, /*!< hlpNew: first mandatory border */ + int *bmax /*!< hlpNew: last mandatory border */ +); + +static void fillFramePre(INT dmax, INT *v_bord, INT *length_v_bord, INT *v_freq, + INT *length_v_freq, INT bmin, INT rest); + +static void fillFramePost(INT *parts, INT *d, INT dmax, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT *length_v_freq, + INT bmax, INT bufferFrameStart, INT numberTimeSlots, + INT fmax); + +static void fillFrameInter(INT *nL, const int *v_tuningSegm, INT *v_bord, + INT *length_v_bord, INT bmin, INT *v_freq, + INT *length_v_freq, INT *v_bordFollow, + INT *length_v_bordFollow, INT *v_freqFollow, + INT *length_v_freqFollow, INT i_fillFollow, INT dmin, + INT dmax, INT numberTimeSlots); + +static void calcFrameClass(FRAME_CLASS *frameClass, FRAME_CLASS *frameClassOld, + INT tranFlag, INT *spreadFlag); + +static void specialCase(INT *spreadFlag, INT allowSpread, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT *length_v_freq, + INT *parts, INT d); + +static void calcCmonBorder(INT *i_cmon, INT *i_tran, INT *v_bord, + INT *length_v_bord, INT tran, INT bufferFrameStart, + INT numberTimeSlots); + +static void keepForFollowUp(INT *v_bordFollow, INT *length_v_bordFollow, + INT *v_freqFollow, INT *length_v_freqFollow, + INT *i_tranFollow, INT *i_fillFollow, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT i_cmon, + INT i_tran, INT parts, INT numberTimeSlots); + +static void calcCtrlSignal(HANDLE_SBR_GRID hSbrGrid, FRAME_CLASS frameClass, + INT *v_bord, INT length_v_bord, INT *v_freq, + INT length_v_freq, INT i_cmon, INT i_tran, + INT spreadFlag, INT nL); + +static void ctrlSignal2FrameInfo(HANDLE_SBR_GRID hSbrGrid, + HANDLE_SBR_FRAME_INFO hFrameInfo, + FREQ_RES *freq_res_fixfix); /* table for 8 time slot index */ -static const int envelopeTable_8 [8][5] = { -/* transientIndex nEnv, tranIdx, shortEnv, border1, border2, ... */ -/* borders from left to right side; -1 = not in use */ - /*[|T-|------]*/ { 2, 0, 0, 1, -1 }, - /*[|-T-|-----]*/ { 2, 0, 0, 2, -1 }, - /*[--|T-|----]*/ { 3, 1, 1, 2, 4 }, - /*[---|T-|---]*/ { 3, 1, 1, 3, 5 }, - /*[----|T-|--]*/ { 3, 1, 1, 4, 6 }, - /*[-----|T--|]*/ { 2, 1, 1, 5, -1 }, - /*[------|T-|]*/ { 2, 1, 1, 6, -1 }, - /*[-------|T|]*/ { 2, 1, 1, 7, -1 }, +static const int envelopeTable_8[8][5] = { + /* transientIndex nEnv, tranIdx, shortEnv, border1, border2, ... */ + /* borders from left to right side; -1 = not in use */ + /*[|T-|------]*/ {2, 0, 0, 1, -1}, + /*[|-T-|-----]*/ {2, 0, 0, 2, -1}, + /*[--|T-|----]*/ {3, 1, 1, 2, 4}, + /*[---|T-|---]*/ {3, 1, 1, 3, 5}, + /*[----|T-|--]*/ {3, 1, 1, 4, 6}, + /*[-----|T--|]*/ {2, 1, 1, 5, -1}, + /*[------|T-|]*/ {2, 1, 1, 6, -1}, + /*[-------|T|]*/ {2, 1, 1, 7, -1}, }; /* table for 16 time slot index */ -static const int envelopeTable_16 [16][6] = { +static const int envelopeTable_16[16][6] = { /* transientIndex nEnv, tranIdx, shortEnv, border1, border2, ... */ /* length from left to right side; -1 = not in use */ - /*[|T---|------------|]*/ { 2, 0, 0, 4, -1, -1}, - /*[|-T---|-----------|]*/ { 2, 0, 0, 5, -1, -1}, - /*[|--|T---|----------]*/ { 3, 1, 1, 2, 6, -1}, - /*[|---|T---|---------]*/ { 3, 1, 1, 3, 7, -1}, - /*[|----|T---|--------]*/ { 3, 1, 1, 4, 8, -1}, - /*[|-----|T---|-------]*/ { 3, 1, 1, 5, 9, -1}, - /*[|------|T---|------]*/ { 3, 1, 1, 6, 10, -1}, - /*[|-------|T---|-----]*/ { 3, 1, 1, 7, 11, -1}, - /*[|--------|T---|----]*/ { 3, 1, 1, 8, 12, -1}, - /*[|---------|T---|---]*/ { 3, 1, 1, 9, 13, -1}, - /*[|----------|T---|--]*/ { 3, 1, 1,10, 14, -1}, - /*[|-----------|T----|]*/ { 2, 1, 1,11, -1, -1}, - /*[|------------|T---|]*/ { 2, 1, 1,12, -1, -1}, - /*[|-------------|T--|]*/ { 2, 1, 1,13, -1, -1}, - /*[|--------------|T-|]*/ { 2, 1, 1,14, -1, -1}, - /*[|---------------|T|]*/ { 2, 1, 1,15, -1, -1}, + /*[|T---|------------|]*/ {2, 0, 0, 4, -1, -1}, + /*[|-T---|-----------|]*/ {2, 0, 0, 5, -1, -1}, + /*[|--|T---|----------]*/ {3, 1, 1, 2, 6, -1}, + /*[|---|T---|---------]*/ {3, 1, 1, 3, 7, -1}, + /*[|----|T---|--------]*/ {3, 1, 1, 4, 8, -1}, + /*[|-----|T---|-------]*/ {3, 1, 1, 5, 9, -1}, + /*[|------|T---|------]*/ {3, 1, 1, 6, 10, -1}, + /*[|-------|T---|-----]*/ {3, 1, 1, 7, 11, -1}, + /*[|--------|T---|----]*/ {3, 1, 1, 8, 12, -1}, + /*[|---------|T---|---]*/ {3, 1, 1, 9, 13, -1}, + /*[|----------|T---|--]*/ {3, 1, 1, 10, 14, -1}, + /*[|-----------|T----|]*/ {2, 1, 1, 11, -1, -1}, + /*[|------------|T---|]*/ {2, 1, 1, 12, -1, -1}, + /*[|-------------|T--|]*/ {2, 1, 1, 13, -1, -1}, + /*[|--------------|T-|]*/ {2, 1, 1, 14, -1, -1}, + /*[|---------------|T|]*/ {2, 1, 1, 15, -1, -1}, }; /* table for 15 time slot index */ -static const int envelopeTable_15 [15][6] = { +static const int envelopeTable_15[15][6] = { /* transientIndex nEnv, tranIdx, shortEnv, border1, border2, ... */ /* length from left to right side; -1 = not in use */ - /*[|T---|------------]*/ { 2, 0, 0, 4, -1, -1}, - /*[|-T---|-----------]*/ { 2, 0, 0, 5, -1, -1}, - /*[|--|T---|---------]*/ { 3, 1, 1, 2, 6, -1}, - /*[|---|T---|--------]*/ { 3, 1, 1, 3, 7, -1}, - /*[|----|T---|-------]*/ { 3, 1, 1, 4, 8, -1}, - /*[|-----|T---|------]*/ { 3, 1, 1, 5, 9, -1}, - /*[|------|T---|-----]*/ { 3, 1, 1, 6, 10, -1}, - /*[|-------|T---|----]*/ { 3, 1, 1, 7, 11, -1}, - /*[|--------|T---|---]*/ { 3, 1, 1, 8, 12, -1}, - /*[|---------|T---|--]*/ { 3, 1, 1, 9, 13, -1}, - /*[|----------|T----|]*/ { 2, 1, 1,10, -1, -1}, - /*[|-----------|T---|]*/ { 2, 1, 1,11, -1, -1}, - /*[|------------|T--|]*/ { 2, 1, 1,12, -1, -1}, - /*[|-------------|T-|]*/ { 2, 1, 1,13, -1, -1}, - /*[|--------------|T|]*/ { 2, 1, 1,14, -1, -1}, + /*[|T---|------------]*/ {2, 0, 0, 4, -1, -1}, + /*[|-T---|-----------]*/ {2, 0, 0, 5, -1, -1}, + /*[|--|T---|---------]*/ {3, 1, 1, 2, 6, -1}, + /*[|---|T---|--------]*/ {3, 1, 1, 3, 7, -1}, + /*[|----|T---|-------]*/ {3, 1, 1, 4, 8, -1}, + /*[|-----|T---|------]*/ {3, 1, 1, 5, 9, -1}, + /*[|------|T---|-----]*/ {3, 1, 1, 6, 10, -1}, + /*[|-------|T---|----]*/ {3, 1, 1, 7, 11, -1}, + /*[|--------|T---|---]*/ {3, 1, 1, 8, 12, -1}, + /*[|---------|T---|--]*/ {3, 1, 1, 9, 13, -1}, + /*[|----------|T----|]*/ {2, 1, 1, 10, -1, -1}, + /*[|-----------|T---|]*/ {2, 1, 1, 11, -1, -1}, + /*[|------------|T--|]*/ {2, 1, 1, 12, -1, -1}, + /*[|-------------|T-|]*/ {2, 1, 1, 13, -1, -1}, + /*[|--------------|T|]*/ {2, 1, 1, 14, -1, -1}, }; static const int minFrameTranDistance = 4; -static const FREQ_RES freqRes_table_8[] = {FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, - FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}; +static const FREQ_RES freqRes_table_8[] = { + FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, + FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH}; static const FREQ_RES freqRes_table_16[16] = { /* size of envelope */ -/* 0-4 */ FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, FREQ_RES_LOW, -/* 5-9 */ FREQ_RES_LOW, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, -/* 10-16 */ FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, FREQ_RES_HIGH, - FREQ_RES_HIGH }; - -static void generateFixFixOnly ( HANDLE_SBR_FRAME_INFO hSbrFrameInfo, - HANDLE_SBR_GRID hSbrGrid, - int tranPosInternal, - int numberTimeSlots, - UCHAR fResTransIsLow - ); - + /* 0-4 */ FREQ_RES_LOW, + FREQ_RES_LOW, + FREQ_RES_LOW, + FREQ_RES_LOW, + FREQ_RES_LOW, + /* 5-9 */ FREQ_RES_LOW, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + /* 10-16 */ FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH, + FREQ_RES_HIGH}; + +static void generateFixFixOnly(HANDLE_SBR_FRAME_INFO hSbrFrameInfo, + HANDLE_SBR_GRID hSbrGrid, int tranPosInternal, + int numberTimeSlots, UCHAR fResTransIsLow); /*! Functionname: FDKsbrEnc_frameInfoGenerator @@ -353,20 +327,19 @@ static void generateFixFixOnly ( HANDLE_SBR_FRAME_INFO hSbrFrameInfo, Arguments: hSbrEnvFrame - pointer to sbr envelope handle v_pre_transient_info - pointer to transient info vector - v_transient_info - pointer to previous transient info vector - v_tuning - pointer to tuning vector + v_transient_info - pointer to previous transient info +vector v_tuning - pointer to tuning vector Return: frame_info - pointer to SBR_FRAME_INFO struct *******************************************************************************/ HANDLE_SBR_FRAME_INFO -FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, - UCHAR *v_transient_info, - UCHAR *v_transient_info_pre, - int ldGrid, - const int *v_tuning) -{ - INT numEnv, tranPosInternal=0, bmin=0, bmax=0, parts, d, i_cmon=0, i_tran=0, nL; +FDKsbrEnc_frameInfoGenerator(HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, + UCHAR *v_transient_info, const INT rightBorderFIX, + UCHAR *v_transient_info_pre, int ldGrid, + const int *v_tuning) { + INT numEnv, tranPosInternal = 0, bmin = 0, bmax = 0, parts, d, i_cmon = 0, + i_tran = 0, nL; INT fmax = 0; INT *v_bord = hSbrEnvFrame->v_bord; @@ -374,7 +347,6 @@ FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, INT *v_bordFollow = hSbrEnvFrame->v_bordFollow; INT *v_freqFollow = hSbrEnvFrame->v_freqFollow; - INT *length_v_bordFollow = &hSbrEnvFrame->length_v_bordFollow; INT *length_v_freqFollow = &hSbrEnvFrame->length_v_freqFollow; INT *length_v_bord = &hSbrEnvFrame->length_v_bord; @@ -385,7 +357,6 @@ FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, FRAME_CLASS *frameClassOld = &hSbrEnvFrame->frameClassOld; FRAME_CLASS frameClass = FIXFIX; - INT allowSpread = hSbrEnvFrame->allowSpread; INT numEnvStatic = hSbrEnvFrame->numEnvStatic; INT staticFraming = hSbrEnvFrame->staticFraming; @@ -405,10 +376,12 @@ FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, hSbrEnvFrame->v_tuningSegm = v_tuningSegm; if (ldGrid) { - /* in case there was a transient at the very end of the previous frame, start with a transient envelope */ - if ( !tranFlag && v_transient_info_pre[1] && (numberTimeSlots - v_transient_info_pre[0] < minFrameTranDistance) ){ + /* in case there was a transient at the very end of the previous frame, + * start with a transient envelope */ + if (!tranFlag && v_transient_info_pre[1] && + (numberTimeSlots - v_transient_info_pre[0] < minFrameTranDistance)) { tranFlag = 1; - tranPos = 0; + tranPos = 0; } } @@ -463,20 +436,23 @@ FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, ---------------------------------------------------------------------------*/ frameClass = FIXFIX; - numEnv = numEnvStatic; /* {1,2,4,8} */ - *frameClassOld = FIXFIX; /* for change to dyn */ + numEnv = numEnvStatic; /* {1,2,4,8} */ + *frameClassOld = FIXFIX; /* for change to dyn */ hSbrEnvFrame->SbrGrid.bs_num_env = numEnv; hSbrEnvFrame->SbrGrid.frameClass = frameClass; - } - else { + } else { /*-------------------------------------------------------------------------- Calculate frame class to use ---------------------------------------------------------------------------*/ - calcFrameClass (&frameClass, frameClassOld, tranFlag, spreadFlag); + if (rightBorderFIX) { + tranFlag = 0; + *spreadFlag = 0; + } + calcFrameClass(&frameClass, frameClassOld, tranFlag, spreadFlag); /* patch for new frame class FIXFIXonly for AAC LD */ if (tranFlag && ldGrid) { - frameClass = FIXFIXonly; + frameClass = FIXFIXonly; *frameClassOld = FIXFIX; } @@ -497,238 +473,226 @@ FDKsbrEnc_frameInfoGenerator (HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, /*-------------------------------------------------------------------------- Design frame (or follow-up old design) ---------------------------------------------------------------------------*/ - if (tranFlag) { /* Always for FixVar, often but not always for VarVar */ + if (tranFlag) { + /* Always for FixVar, often but not always for VarVar */ + /*-------------------------------------------------------------------------- Design part of T/F-grid around the new transient ---------------------------------------------------------------------------*/ - tranPosInternal = frameMiddleSlot + tranPos + bufferFrameStart ; /* FH 00-06-26 */ + tranPosInternal = + frameMiddleSlot + tranPos + bufferFrameStart; /* FH 00-06-26 */ /* add mandatory borders around transient */ - fillFrameTran ( v_tuningSegm, - v_tuningFreq, - tranPosInternal, - v_bord, - length_v_bord, - v_freq, - length_v_freq, - &bmin, - &bmax ); + fillFrameTran(v_tuningSegm, v_tuningFreq, tranPosInternal, v_bord, + length_v_bord, v_freq, length_v_freq, &bmin, &bmax); /* make sure we stay within the maximum SBR frame overlap */ fmax = calcFillLengthMax(tranPos, numberTimeSlots); } switch (frameClass) { + case FIXFIXonly: + FDK_ASSERT(ldGrid); + tranPosInternal = tranPos; + generateFixFixOnly(&(hSbrEnvFrame->SbrFrameInfo), + &(hSbrEnvFrame->SbrGrid), tranPosInternal, + numberTimeSlots, hSbrEnvFrame->fResTransIsLow); - case FIXFIXonly: - FDK_ASSERT(ldGrid); - tranPosInternal = tranPos; - generateFixFixOnly ( &(hSbrEnvFrame->SbrFrameInfo), - &(hSbrEnvFrame->SbrGrid), - tranPosInternal, - numberTimeSlots, - hSbrEnvFrame->fResTransIsLow - ); + return &(hSbrEnvFrame->SbrFrameInfo); - return &(hSbrEnvFrame->SbrFrameInfo); - - case FIXVAR: + case FIXVAR: - /*-------------------------------------------------------------------------- - Design remaining parts of T/F-grid (assuming next frame is VarFix) - ---------------------------------------------------------------------------*/ - - /*-------------------------------------------------------------------------- - Fill region before new transient: - ---------------------------------------------------------------------------*/ - fillFramePre (dmax, v_bord, length_v_bord, v_freq, length_v_freq, - bmin, bmin - bufferFrameStart); /* FH 00-06-26 */ - - /*-------------------------------------------------------------------------- - Fill region after new transient: - ---------------------------------------------------------------------------*/ - fillFramePost (&parts, &d, dmax, v_bord, length_v_bord, v_freq, - length_v_freq, bmax, bufferFrameStart, numberTimeSlots, fmax); - - /*-------------------------------------------------------------------------- - Take care of special case: - ---------------------------------------------------------------------------*/ - if (parts == 1 && d < dmin) /* no fill, short last envelope */ - specialCase (spreadFlag, allowSpread, v_bord, length_v_bord, - v_freq, length_v_freq, &parts, d); - - /*-------------------------------------------------------------------------- - Calculate common border (split-point) - ---------------------------------------------------------------------------*/ - calcCmonBorder (&i_cmon, &i_tran, v_bord, length_v_bord, tranPosInternal, - bufferFrameStart, numberTimeSlots); /* FH 00-06-26 */ - - /*-------------------------------------------------------------------------- - Extract data for proper follow-up in next frame - ---------------------------------------------------------------------------*/ - keepForFollowUp (v_bordFollow, length_v_bordFollow, v_freqFollow, - length_v_freqFollow, i_tranFollow, i_fillFollow, - v_bord, length_v_bord, v_freq, i_cmon, i_tran, parts, numberTimeSlots); /* FH 00-06-26 */ - - /*-------------------------------------------------------------------------- - Calculate control signal - ---------------------------------------------------------------------------*/ - calcCtrlSignal (&hSbrEnvFrame->SbrGrid, frameClass, - v_bord, *length_v_bord, v_freq, *length_v_freq, - i_cmon, i_tran, *spreadFlag, DC); - break; - case VARFIX: - /*-------------------------------------------------------------------------- - Follow-up old transient - calculate control signal - ---------------------------------------------------------------------------*/ - calcCtrlSignal (&hSbrEnvFrame->SbrGrid, frameClass, - v_bordFollow, *length_v_bordFollow, v_freqFollow, - *length_v_freqFollow, DC, *i_tranFollow, - *spreadFlag, DC); - break; - case VARVAR: - if (*spreadFlag) { /* spread across three frames */ /*-------------------------------------------------------------------------- - Follow-up old transient - calculate control signal + Design remaining parts of T/F-grid (assuming next frame is VarFix) ---------------------------------------------------------------------------*/ - calcCtrlSignal (&hSbrEnvFrame->SbrGrid, - frameClass, v_bordFollow, *length_v_bordFollow, - v_freqFollow, *length_v_freqFollow, DC, - *i_tranFollow, *spreadFlag, DC); - - *spreadFlag = 0; /*-------------------------------------------------------------------------- - Extract data for proper follow-up in next frame + Fill region before new transient: ---------------------------------------------------------------------------*/ - v_bordFollow[0] = hSbrEnvFrame->SbrGrid.bs_abs_bord_1 - numberTimeSlots; /* FH 00-06-26 */ - v_freqFollow[0] = 1; - *length_v_bordFollow = 1; - *length_v_freqFollow = 1; + fillFramePre(dmax, v_bord, length_v_bord, v_freq, length_v_freq, bmin, + bmin - bufferFrameStart); /* FH 00-06-26 */ - *i_tranFollow = -DC; - *i_fillFollow = -DC; - } - else { /*-------------------------------------------------------------------------- - Design remaining parts of T/F-grid (assuming next frame is VarFix) - adapt or fill region before new transient: + Fill region after new transient: ---------------------------------------------------------------------------*/ - fillFrameInter (&nL, v_tuningSegm, v_bord, length_v_bord, bmin, - v_freq, length_v_freq, v_bordFollow, - length_v_bordFollow, v_freqFollow, - length_v_freqFollow, *i_fillFollow, dmin, dmax, - numberTimeSlots); - - /*-------------------------------------------------------------------------- - Fill after transient: - ---------------------------------------------------------------------------*/ - fillFramePost (&parts, &d, dmax, v_bord, length_v_bord, v_freq, - length_v_freq, bmax, bufferFrameStart, numberTimeSlots, fmax); + fillFramePost(&parts, &d, dmax, v_bord, length_v_bord, v_freq, + length_v_freq, bmax, bufferFrameStart, numberTimeSlots, + fmax); /*-------------------------------------------------------------------------- Take care of special case: ---------------------------------------------------------------------------*/ - if (parts == 1 && d < dmin) /*% no fill, short last envelope */ - specialCase (spreadFlag, allowSpread, v_bord, length_v_bord, - v_freq, length_v_freq, &parts, d); + if (parts == 1 && d < dmin) /* no fill, short last envelope */ + specialCase(spreadFlag, allowSpread, v_bord, length_v_bord, v_freq, + length_v_freq, &parts, d); /*-------------------------------------------------------------------------- Calculate common border (split-point) ---------------------------------------------------------------------------*/ - calcCmonBorder (&i_cmon, &i_tran, v_bord, length_v_bord, tranPosInternal, - bufferFrameStart, numberTimeSlots); + calcCmonBorder(&i_cmon, &i_tran, v_bord, length_v_bord, tranPosInternal, + bufferFrameStart, numberTimeSlots); /* FH 00-06-26 */ /*-------------------------------------------------------------------------- Extract data for proper follow-up in next frame ---------------------------------------------------------------------------*/ - keepForFollowUp (v_bordFollow, length_v_bordFollow, - v_freqFollow, length_v_freqFollow, - i_tranFollow, i_fillFollow, v_bord, - length_v_bord, v_freq, i_cmon, i_tran, parts, numberTimeSlots); + keepForFollowUp(v_bordFollow, length_v_bordFollow, v_freqFollow, + length_v_freqFollow, i_tranFollow, i_fillFollow, v_bord, + length_v_bord, v_freq, i_cmon, i_tran, parts, + numberTimeSlots); /* FH 00-06-26 */ /*-------------------------------------------------------------------------- Calculate control signal ---------------------------------------------------------------------------*/ - calcCtrlSignal (&hSbrEnvFrame->SbrGrid, - frameClass, v_bord, *length_v_bord, v_freq, - *length_v_freq, i_cmon, i_tran, 0, nL); - } - break; - case FIXFIX: - if (tranPos == 0) - numEnv = 1; - else - numEnv = 2; + calcCtrlSignal(&hSbrEnvFrame->SbrGrid, frameClass, v_bord, + *length_v_bord, v_freq, *length_v_freq, i_cmon, i_tran, + *spreadFlag, DC); + break; + case VARFIX: + /*-------------------------------------------------------------------------- + Follow-up old transient - calculate control signal + ---------------------------------------------------------------------------*/ + calcCtrlSignal(&hSbrEnvFrame->SbrGrid, frameClass, v_bordFollow, + *length_v_bordFollow, v_freqFollow, *length_v_freqFollow, + DC, *i_tranFollow, *spreadFlag, DC); + break; + case VARVAR: + if (*spreadFlag) { /* spread across three frames */ + /*-------------------------------------------------------------------------- + Follow-up old transient - calculate control signal + ---------------------------------------------------------------------------*/ + calcCtrlSignal(&hSbrEnvFrame->SbrGrid, frameClass, v_bordFollow, + *length_v_bordFollow, v_freqFollow, + *length_v_freqFollow, DC, *i_tranFollow, *spreadFlag, + DC); + + *spreadFlag = 0; + + /*-------------------------------------------------------------------------- + Extract data for proper follow-up in next frame + ---------------------------------------------------------------------------*/ + v_bordFollow[0] = hSbrEnvFrame->SbrGrid.bs_abs_bord_1 - + numberTimeSlots; /* FH 00-06-26 */ + v_freqFollow[0] = 1; + *length_v_bordFollow = 1; + *length_v_freqFollow = 1; + + *i_tranFollow = -DC; + *i_fillFollow = -DC; + } else { + /*-------------------------------------------------------------------------- + Design remaining parts of T/F-grid (assuming next frame is VarFix) + adapt or fill region before new transient: + ---------------------------------------------------------------------------*/ + fillFrameInter(&nL, v_tuningSegm, v_bord, length_v_bord, bmin, v_freq, + length_v_freq, v_bordFollow, length_v_bordFollow, + v_freqFollow, length_v_freqFollow, *i_fillFollow, dmin, + dmax, numberTimeSlots); + + /*-------------------------------------------------------------------------- + Fill after transient: + ---------------------------------------------------------------------------*/ + fillFramePost(&parts, &d, dmax, v_bord, length_v_bord, v_freq, + length_v_freq, bmax, bufferFrameStart, numberTimeSlots, + fmax); + + /*-------------------------------------------------------------------------- + Take care of special case: + ---------------------------------------------------------------------------*/ + if (parts == 1 && d < dmin) /*% no fill, short last envelope */ + specialCase(spreadFlag, allowSpread, v_bord, length_v_bord, v_freq, + length_v_freq, &parts, d); + + /*-------------------------------------------------------------------------- + Calculate common border (split-point) + ---------------------------------------------------------------------------*/ + calcCmonBorder(&i_cmon, &i_tran, v_bord, length_v_bord, + tranPosInternal, bufferFrameStart, numberTimeSlots); + + /*-------------------------------------------------------------------------- + Extract data for proper follow-up in next frame + ---------------------------------------------------------------------------*/ + keepForFollowUp(v_bordFollow, length_v_bordFollow, v_freqFollow, + length_v_freqFollow, i_tranFollow, i_fillFollow, + v_bord, length_v_bord, v_freq, i_cmon, i_tran, parts, + numberTimeSlots); + + /*-------------------------------------------------------------------------- + Calculate control signal + ---------------------------------------------------------------------------*/ + calcCtrlSignal(&hSbrEnvFrame->SbrGrid, frameClass, v_bord, + *length_v_bord, v_freq, *length_v_freq, i_cmon, i_tran, + 0, nL); + } + break; + case FIXFIX: + if (tranPos == 0) + numEnv = 1; + else + numEnv = 2; - hSbrEnvFrame->SbrGrid.bs_num_env = numEnv; - hSbrEnvFrame->SbrGrid.frameClass = frameClass; + hSbrEnvFrame->SbrGrid.bs_num_env = numEnv; + hSbrEnvFrame->SbrGrid.frameClass = frameClass; - break; - default: - FDK_ASSERT(0); + break; + default: + FDK_ASSERT(0); } } /*------------------------------------------------------------------------- Convert control signal to frame info struct ---------------------------------------------------------------------------*/ - ctrlSignal2FrameInfo (&hSbrEnvFrame->SbrGrid, - &hSbrEnvFrame->SbrFrameInfo, - hSbrEnvFrame->freq_res_fixfix); + ctrlSignal2FrameInfo(&hSbrEnvFrame->SbrGrid, &hSbrEnvFrame->SbrFrameInfo, + hSbrEnvFrame->freq_res_fixfix); return &hSbrEnvFrame->SbrFrameInfo; } - /***************************************************************************/ /*! - \brief Gnerates frame info for FIXFIXonly frame class used for low delay version + \brief Gnerates frame info for FIXFIXonly frame class used for low delay + version \return nothing ****************************************************************************/ -static void generateFixFixOnly ( HANDLE_SBR_FRAME_INFO hSbrFrameInfo, - HANDLE_SBR_GRID hSbrGrid, - int tranPosInternal, - int numberTimeSlots, - UCHAR fResTransIsLow - ) -{ - int nEnv, i, k=0, tranIdx; +static void generateFixFixOnly(HANDLE_SBR_FRAME_INFO hSbrFrameInfo, + HANDLE_SBR_GRID hSbrGrid, int tranPosInternal, + int numberTimeSlots, UCHAR fResTransIsLow) { + int nEnv, i, k = 0, tranIdx; const int *pTable = NULL; const FREQ_RES *freqResTable = NULL; switch (numberTimeSlots) { - case 8: - pTable = envelopeTable_8[tranPosInternal]; - freqResTable = freqRes_table_8; - break; - case 15: - pTable = envelopeTable_15[tranPosInternal]; - freqResTable = freqRes_table_16; - break; - case 16: - pTable = envelopeTable_16[tranPosInternal]; - freqResTable = freqRes_table_16; - break; + case 8: { + pTable = envelopeTable_8[tranPosInternal]; + } + freqResTable = freqRes_table_8; + break; + case 15: + pTable = envelopeTable_15[tranPosInternal]; + freqResTable = freqRes_table_16; + break; + case 16: + pTable = envelopeTable_16[tranPosInternal]; + freqResTable = freqRes_table_16; + break; } /* look number of envolpes in table */ nEnv = pTable[0]; /* look up envolpe distribution in table */ - for (i=1; i<nEnv; i++) - hSbrFrameInfo->borders[i] = pTable[i+2]; + for (i = 1; i < nEnv; i++) hSbrFrameInfo->borders[i] = pTable[i + 2]; /* open and close frame border */ - hSbrFrameInfo->borders[0] = 0; + hSbrFrameInfo->borders[0] = 0; hSbrFrameInfo->borders[nEnv] = numberTimeSlots; /* adjust segment-frequency-resolution according to the segment-length */ - for (i=0; i<nEnv; i++){ - k = hSbrFrameInfo->borders[i+1] - hSbrFrameInfo->borders[i]; + for (i = 0; i < nEnv; i++) { + k = hSbrFrameInfo->borders[i + 1] - hSbrFrameInfo->borders[i]; if (!fResTransIsLow) hSbrFrameInfo->freqRes[i] = freqResTable[k]; else @@ -738,24 +702,22 @@ static void generateFixFixOnly ( HANDLE_SBR_FRAME_INFO hSbrFrameInfo, } hSbrFrameInfo->nEnvelopes = nEnv; - hSbrFrameInfo->shortEnv = pTable[2]; + hSbrFrameInfo->shortEnv = pTable[2]; /* transient idx */ tranIdx = pTable[1]; /* add noise floors */ hSbrFrameInfo->bordersNoise[0] = 0; - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[tranIdx?tranIdx:1]; + hSbrFrameInfo->bordersNoise[1] = + hSbrFrameInfo->borders[tranIdx ? tranIdx : 1]; hSbrFrameInfo->bordersNoise[2] = numberTimeSlots; hSbrFrameInfo->nNoiseEnvelopes = 2; hSbrGrid->frameClass = FIXFIXonly; hSbrGrid->bs_abs_bord = tranPosInternal; hSbrGrid->bs_num_env = nEnv; - } - - /******************************************************************************* Functionname: FDKsbrEnc_initFrameInfoGenerator ******************************************************************************* @@ -770,21 +732,14 @@ static void generateFixFixOnly ( HANDLE_SBR_FRAME_INFO hSbrFrameInfo, Return: none *******************************************************************************/ -void -FDKsbrEnc_initFrameInfoGenerator ( - HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, - INT allowSpread, - INT numEnvStatic, - INT staticFraming, - INT timeSlots, - const FREQ_RES* freq_res_fixfix - ,UCHAR fResTransIsLow, - INT ldGrid - ) -{ /* FH 00-06-26 */ - - FDKmemclear(hSbrEnvFrame,sizeof(SBR_ENVELOPE_FRAME )); +void FDKsbrEnc_initFrameInfoGenerator(HANDLE_SBR_ENVELOPE_FRAME hSbrEnvFrame, + INT allowSpread, INT numEnvStatic, + INT staticFraming, INT timeSlots, + const FREQ_RES *freq_res_fixfix, + UCHAR fResTransIsLow, + INT ldGrid) { /* FH 00-06-26 */ + FDKmemclear(hSbrEnvFrame, sizeof(SBR_ENVELOPE_FRAME)); /* Initialisation */ hSbrEnvFrame->frameClassOld = FIXFIX; @@ -795,7 +750,7 @@ FDKsbrEnc_initFrameInfoGenerator ( hSbrEnvFrame->staticFraming = staticFraming; hSbrEnvFrame->freq_res_fixfix[0] = freq_res_fixfix[0]; hSbrEnvFrame->freq_res_fixfix[1] = freq_res_fixfix[1]; - hSbrEnvFrame->fResTransIsLow = fResTransIsLow; + hSbrEnvFrame->fResTransIsLow = fResTransIsLow; hSbrEnvFrame->length_v_bord = 0; hSbrEnvFrame->length_v_bordFollow = 0; @@ -810,43 +765,41 @@ FDKsbrEnc_initFrameInfoGenerator ( if (ldGrid) { /*case CODEC_AACLD:*/ - hSbrEnvFrame->dmin = 2; - hSbrEnvFrame->dmax = 16; - hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_512LD; - hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; + hSbrEnvFrame->dmin = 2; + hSbrEnvFrame->dmax = 16; + hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_512LD; + hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; } else - switch(timeSlots){ - case NUMBER_TIME_SLOTS_1920: - hSbrEnvFrame->dmin = 4; - hSbrEnvFrame->dmax = 12; - hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; - hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_1920; - break; - case NUMBER_TIME_SLOTS_2048: - hSbrEnvFrame->dmin = 4; - hSbrEnvFrame->dmax = 12; - hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; - hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_2048; - break; - case NUMBER_TIME_SLOTS_1152: - hSbrEnvFrame->dmin = 2; - hSbrEnvFrame->dmax = 8; - hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; - hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_1152; - break; - case NUMBER_TIME_SLOTS_2304: - hSbrEnvFrame->dmin = 4; - hSbrEnvFrame->dmax = 15; - hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; - hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_2304; - break; - default: - FDK_ASSERT(0); - } - + switch (timeSlots) { + case NUMBER_TIME_SLOTS_1920: + hSbrEnvFrame->dmin = 4; + hSbrEnvFrame->dmax = 12; + hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; + hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_1920; + break; + case NUMBER_TIME_SLOTS_2048: + hSbrEnvFrame->dmin = 4; + hSbrEnvFrame->dmax = 12; + hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; + hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_2048; + break; + case NUMBER_TIME_SLOTS_1152: + hSbrEnvFrame->dmin = 2; + hSbrEnvFrame->dmax = 8; + hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; + hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_1152; + break; + case NUMBER_TIME_SLOTS_2304: + hSbrEnvFrame->dmin = 4; + hSbrEnvFrame->dmax = 15; + hSbrEnvFrame->SbrGrid.bufferFrameStart = 0; + hSbrEnvFrame->frameMiddleSlot = FRAME_MIDDLE_SLOT_2304; + break; + default: + FDK_ASSERT(0); + } } - /******************************************************************************* Functionname: fillFrameTran ******************************************************************************* @@ -870,18 +823,17 @@ FDKsbrEnc_initFrameInfoGenerator ( Return: none *******************************************************************************/ -static void -fillFrameTran (const int *v_tuningSegm, /*!< tuning: desired segment lengths */ - const int *v_tuningFreq, /*!< tuning: desired frequency resolutions */ - int tran, /*!< input : position of transient */ - int *v_bord, /*!< memNew: borders */ - int *length_v_bord, /*!< memNew: # borders */ - int *v_freq, /*!< memNew: frequency resolutions */ - int *length_v_freq, /*!< memNew: # frequency resolutions */ - int *bmin, /*!< hlpNew: first mandatory border */ - int *bmax /*!< hlpNew: last mandatory border */ - ) -{ +static void fillFrameTran( + const int *v_tuningSegm, /*!< tuning: desired segment lengths */ + const int *v_tuningFreq, /*!< tuning: desired frequency resolutions */ + int tran, /*!< input : position of transient */ + int *v_bord, /*!< memNew: borders */ + int *length_v_bord, /*!< memNew: # borders */ + int *v_freq, /*!< memNew: frequency resolutions */ + int *length_v_freq, /*!< memNew: # frequency resolutions */ + int *bmin, /*!< hlpNew: first mandatory border */ + int *bmax /*!< hlpNew: last mandatory border */ +) { int bord, i; *length_v_bord = 0; @@ -890,25 +842,25 @@ fillFrameTran (const int *v_tuningSegm, /*!< tuning: desired segment length /* add attack env leading border (optional) */ if (v_tuningSegm[0]) { /* v_bord = [(Ba)] start of attack env */ - FDKsbrEnc_AddRight (v_bord, length_v_bord, (tran - v_tuningSegm[0])); + FDKsbrEnc_AddRight(v_bord, length_v_bord, (tran - v_tuningSegm[0])); /* v_freq = [(Fa)] res of attack env */ - FDKsbrEnc_AddRight (v_freq, length_v_freq, v_tuningFreq[0]); + FDKsbrEnc_AddRight(v_freq, length_v_freq, v_tuningFreq[0]); } /* add attack env trailing border/first decay env leading border */ bord = tran; - FDKsbrEnc_AddRight (v_bord, length_v_bord, tran); /* v_bord = [(Ba),Bd1] */ + FDKsbrEnc_AddRight(v_bord, length_v_bord, tran); /* v_bord = [(Ba),Bd1] */ /* add first decay env trailing border/2:nd decay env leading border */ if (v_tuningSegm[1]) { bord += v_tuningSegm[1]; /* v_bord = [(Ba),Bd1,Bd2] */ - FDKsbrEnc_AddRight (v_bord, length_v_bord, bord); + FDKsbrEnc_AddRight(v_bord, length_v_bord, bord); /* v_freq = [(Fa),Fd1] */ - FDKsbrEnc_AddRight (v_freq, length_v_freq, v_tuningFreq[1]); + FDKsbrEnc_AddRight(v_freq, length_v_freq, v_tuningFreq[1]); } /* add 2:nd decay env trailing border (optional) */ @@ -916,31 +868,25 @@ fillFrameTran (const int *v_tuningSegm, /*!< tuning: desired segment length bord += v_tuningSegm[2]; /* v_bord = [(Ba),Bd1, Bd2,(Bd3)] */ - FDKsbrEnc_AddRight (v_bord, length_v_bord, bord); + FDKsbrEnc_AddRight(v_bord, length_v_bord, bord); /* v_freq = [(Fa),Fd1,(Fd2)] */ - FDKsbrEnc_AddRight (v_freq, length_v_freq, v_tuningFreq[2]); + FDKsbrEnc_AddRight(v_freq, length_v_freq, v_tuningFreq[2]); } /* v_freq = [(Fa),Fd1,(Fd2),1] */ - FDKsbrEnc_AddRight (v_freq, length_v_freq, 1); - + FDKsbrEnc_AddRight(v_freq, length_v_freq, 1); /* calc min and max values of mandatory borders */ *bmin = v_bord[0]; for (i = 0; i < *length_v_bord; i++) - if (v_bord[i] < *bmin) - *bmin = v_bord[i]; + if (v_bord[i] < *bmin) *bmin = v_bord[i]; *bmax = v_bord[0]; for (i = 0; i < *length_v_bord; i++) - if (v_bord[i] > *bmax) - *bmax = v_bord[i]; - + if (v_bord[i] > *bmax) *bmax = v_bord[i]; } - - /******************************************************************************* Functionname: fillFramePre ******************************************************************************* @@ -961,12 +907,8 @@ fillFrameTran (const int *v_tuningSegm, /*!< tuning: desired segment length Return: none *******************************************************************************/ -static void -fillFramePre (INT dmax, - INT *v_bord, INT *length_v_bord, - INT *v_freq, INT *length_v_freq, - INT bmin, INT rest) -{ +static void fillFramePre(INT dmax, INT *v_bord, INT *length_v_bord, INT *v_freq, + INT *length_v_freq, INT bmin, INT rest) { /* input state: v_bord = [(Ba),Bd1, Bd2 ,(Bd3)] @@ -990,8 +932,8 @@ fillFramePre (INT dmax, parts++; segm = rest / parts; - S = (segm - 2)>>1; - s = fixMin (8, 2 * S + 2); + S = (segm - 2) >> 1; + s = fixMin(8, 2 * S + 2); d = rest - (parts - 1) * s; } @@ -1005,10 +947,10 @@ fillFramePre (INT dmax, bord = bord - s; /* v_bord = [...,(Bf),(Ba),Bd1, Bd2 ,(Bd3)] */ - FDKsbrEnc_AddLeft (v_bord, length_v_bord, bord); + FDKsbrEnc_AddLeft(v_bord, length_v_bord, bord); /* v_freq = [...,(1 ),(Fa),Fd1,(Fd2), 1 ] */ - FDKsbrEnc_AddLeft (v_freq, length_v_freq, 1); + FDKsbrEnc_AddLeft(v_freq, length_v_freq, 1); } } @@ -1022,39 +964,37 @@ fillFramePre (INT dmax, \return void ****************************************************************************/ -static int -calcFillLengthMax (int tranPos, /*!< input : transient position (ref: tran det) */ - int numberTimeSlots /*!< input : number of timeslots */ - ) -{ +static int calcFillLengthMax( + int tranPos, /*!< input : transient position (ref: tran det) */ + int numberTimeSlots /*!< input : number of timeslots */ +) { int fmax; /* calculate transient position within envelope buffer */ - switch (numberTimeSlots) - { + switch (numberTimeSlots) { case NUMBER_TIME_SLOTS_2048: - if (tranPos < 4) - fmax = 6; - else if (tranPos == 4 || tranPos == 5) - fmax = 4; - else - fmax = 8; - break; + if (tranPos < 4) + fmax = 6; + else if (tranPos == 4 || tranPos == 5) + fmax = 4; + else + fmax = 8; + break; case NUMBER_TIME_SLOTS_1920: - if (tranPos < 4) - fmax = 5; - else if (tranPos == 4 || tranPos == 5) - fmax = 3; - else - fmax = 7; - break; + if (tranPos < 4) + fmax = 5; + else if (tranPos == 4 || tranPos == 5) + fmax = 3; + else + fmax = 7; + break; default: - fmax = 8; - break; + fmax = 8; + break; } return fmax; @@ -1083,11 +1023,10 @@ calcFillLengthMax (int tranPos, /*!< input : transient position (ref: t Return: none *******************************************************************************/ -static void -fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, INT *length_v_bord, - INT *v_freq, INT *length_v_freq, INT bmax, - INT bufferFrameStart, INT numberTimeSlots, INT fmax) -{ +static void fillFramePost(INT *parts, INT *d, INT dmax, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT *length_v_freq, + INT bmax, INT bufferFrameStart, INT numberTimeSlots, + INT fmax) { INT j, rest, segm, S, s = 0, bord; /* @@ -1100,7 +1039,7 @@ fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, INT *length_v_bord, *d = rest; if (*d > 0) { - *parts = 1; /* start with one envelope */ + *parts = 1; /* start with one envelope */ /* calc # of additional envelopes and corresponding lengths */ @@ -1108,8 +1047,8 @@ fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, INT *length_v_bord, *parts = *parts + 1; segm = rest / (*parts); - S = (segm - 2)>>1; - s = fixMin (fmax, 2 * S + 2); + S = (segm - 2) >> 1; + s = fixMin(fmax, 2 * S + 2); *d = rest - (*parts - 1) * s; } @@ -1120,25 +1059,21 @@ fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, INT *length_v_bord, bord += s; /* v_bord = [...,(Bf),(Ba),Bd1, Bd2 ,(Bd3),(Bf)] */ - FDKsbrEnc_AddRight (v_bord, length_v_bord, bord); + FDKsbrEnc_AddRight(v_bord, length_v_bord, bord); /* v_freq = [...,(1 ),(Fa),Fd1,(Fd2), 1 , 1! ,1] */ - FDKsbrEnc_AddRight (v_freq, length_v_freq, 1); + FDKsbrEnc_AddRight(v_freq, length_v_freq, 1); } - } - else { + } else { *parts = 1; /* remove last element from v_bord and v_freq */ *length_v_bord = *length_v_bord - 1; *length_v_freq = *length_v_freq - 1; - } } - - /******************************************************************************* Functionname: fillFrameInter ******************************************************************************* @@ -1163,17 +1098,15 @@ fillFramePost (INT *parts, INT *d, INT dmax, INT *v_bord, INT *length_v_bord, Return: none *******************************************************************************/ -static void -fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bord, - INT bmin, INT *v_freq, INT *length_v_freq, INT *v_bordFollow, - INT *length_v_bordFollow, INT *v_freqFollow, - INT *length_v_freqFollow, INT i_fillFollow, INT dmin, - INT dmax, INT numberTimeSlots) -{ +static void fillFrameInter(INT *nL, const int *v_tuningSegm, INT *v_bord, + INT *length_v_bord, INT bmin, INT *v_freq, + INT *length_v_freq, INT *v_bordFollow, + INT *length_v_bordFollow, INT *v_freqFollow, + INT *length_v_freqFollow, INT i_fillFollow, INT dmin, + INT dmax, INT numberTimeSlots) { INT middle, b_new, numBordFollow, bordMaxFollow, i; if (numberTimeSlots != NUMBER_TIME_SLOTS_1152) { - /* % remove fill borders: */ if (i_fillFollow >= 1) { *length_v_bordFollow = i_fillFollow; @@ -1197,65 +1130,61 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor b_new = *length_v_bord; - if (middle <= dmax) { - if (middle >= dmin) { /* concatenate */ - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, *length_v_freqFollow); + if (middle >= dmin) { /* concatenate */ + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); } else { - if (v_tuningSegm[0] != 0) { /* remove one new border and concatenate */ + if (v_tuningSegm[0] != 0) { /* remove one new border and concatenate */ *length_v_bord = b_new - 1; - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); *length_v_freq = b_new - 1; - FDKsbrEnc_AddVecLeft (v_freq + 1, length_v_freq, v_freqFollow, - *length_v_freqFollow); - } - else { - if (*length_v_bordFollow > 1) { /* remove one old border and concatenate */ - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow - 1); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, - *length_v_bordFollow - 1); + FDKsbrEnc_AddVecLeft(v_freq + 1, length_v_freq, v_freqFollow, + *length_v_freqFollow); + } else { + if (*length_v_bordFollow > + 1) { /* remove one old border and concatenate */ + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow - 1); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_bordFollow - 1); *nL = *nL - 1; - } - else { /* remove new "transient" border and concatenate */ + } else { /* remove new "transient" border and concatenate */ - for (i = 0; i < *length_v_bord - 1; i++) - v_bord[i] = v_bord[i + 1]; + for (i = 0; i < *length_v_bord - 1; i++) v_bord[i] = v_bord[i + 1]; - for (i = 0; i < *length_v_freq - 1; i++) - v_freq[i] = v_freq[i + 1]; + for (i = 0; i < *length_v_freq - 1; i++) v_freq[i] = v_freq[i + 1]; *length_v_bord = b_new - 1; *length_v_freq = b_new - 1; - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, - *length_v_freqFollow); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); } } } + } else { /* middle > dmax */ + + fillFramePre(dmax, v_bord, length_v_bord, v_freq, length_v_freq, bmin, + middle); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); } - else { /* middle > dmax */ - - fillFramePre (dmax, v_bord, length_v_bord, v_freq, length_v_freq, bmin, - middle); - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, *length_v_freqFollow); - } - - } - else { /* numberTimeSlots==NUMBER_TIME_SLOTS_1152 */ - - INT l,m; + } else { /* numberTimeSlots==NUMBER_TIME_SLOTS_1152 */ + INT l, m; /*------------------------------------------------------------------------ remove fill borders @@ -1277,17 +1206,15 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor /* intervals: i) middle < 0 : overlap, must remove borders - ii) 0 <= middle < dmin : no overlap but too tight, must remove borders - iii) dmin <= middle <= dmax : ok, just concatenate - iv) dmax <= middle : too wide, must add borders + ii) 0 <= middle < dmin : no overlap but too tight, must remove + borders iii) dmin <= middle <= dmax : ok, just concatenate iv) dmax + <= middle : too wide, must add borders */ /* first remove old non-fill-borders... */ while (middle < 0) { - /* ...but don't remove all of them */ - if (numBordFollow == 1) - break; + if (numBordFollow == 1) break; numBordFollow--; bordMaxFollow = v_bordFollow[numBordFollow - 1]; @@ -1295,12 +1222,9 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor } /* if this isn't enough, remove new non-fill borders */ - if (middle < 0) - { - for (l = 0, m = 0 ; l < *length_v_bord ; l++) - { - if(v_bord[l]> bordMaxFollow) - { + if (middle < 0) { + for (l = 0, m = 0; l < *length_v_bord; l++) { + if (v_bord[l] > bordMaxFollow) { v_bord[m] = v_bord[l]; v_freq[m] = v_freq[l]; m++; @@ -1311,7 +1235,6 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor *length_v_freq = l; bmin = v_bord[0]; - } /*------------------------------------------------------------------------ @@ -1331,69 +1254,62 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor /* now middle should be >= 0 */ middle = bmin - bordMaxFollow; - if (middle <= dmin) /* (ii) */ + if (middle <= dmin) /* (ii) */ { b_new = *length_v_bord; - if (v_tuningSegm[0] != 0) - { + if (v_tuningSegm[0] != 0) { /* remove new "luxury" border and concatenate */ *length_v_bord = b_new - 1; - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); *length_v_freq = b_new - 1; - FDKsbrEnc_AddVecLeft (v_freq + 1, length_v_freq, v_freqFollow, - *length_v_freqFollow); + FDKsbrEnc_AddVecLeft(v_freq + 1, length_v_freq, v_freqFollow, + *length_v_freqFollow); - } - else if (*length_v_bordFollow > 1) - { + } else if (*length_v_bordFollow > 1) { /* remove old border and concatenate */ - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow - 1); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, - *length_v_bordFollow - 1); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow - 1); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_bordFollow - 1); *nL = *nL - 1; - } - else - { + } else { /* remove new border and concatenate */ - for (i = 0; i < *length_v_bord - 1; i++) - v_bord[i] = v_bord[i + 1]; + for (i = 0; i < *length_v_bord - 1; i++) v_bord[i] = v_bord[i + 1]; - for (i = 0; i < *length_v_freq - 1; i++) - v_freq[i] = v_freq[i + 1]; + for (i = 0; i < *length_v_freq - 1; i++) v_freq[i] = v_freq[i + 1]; *length_v_bord = b_new - 1; *length_v_freq = b_new - 1; - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, - *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, - *length_v_freqFollow); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); } - } - else if ((middle >= dmin) && (middle <= dmax)) /* (iii) */ + } else if ((middle >= dmin) && (middle <= dmax)) /* (iii) */ { /* concatenate */ - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, *length_v_freqFollow); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); - } - else /* (iv) */ + } else /* (iv) */ { - fillFramePre (dmax, v_bord, length_v_bord, v_freq, length_v_freq, bmin, - middle); - FDKsbrEnc_AddVecLeft (v_bord, length_v_bord, v_bordFollow, *length_v_bordFollow); - FDKsbrEnc_AddVecLeft (v_freq, length_v_freq, v_freqFollow, *length_v_freqFollow); + fillFramePre(dmax, v_bord, length_v_bord, v_freq, length_v_freq, bmin, + middle); + FDKsbrEnc_AddVecLeft(v_bord, length_v_bord, v_bordFollow, + *length_v_bordFollow); + FDKsbrEnc_AddVecLeft(v_freq, length_v_freq, v_freqFollow, + *length_v_freqFollow); } } } - - /******************************************************************************* Functionname: calcFrameClass ******************************************************************************* @@ -1405,42 +1321,49 @@ fillFrameInter (INT *nL, const int *v_tuningSegm, INT *v_bord, INT *length_v_bor Return: none *******************************************************************************/ -static void -calcFrameClass (FRAME_CLASS *frameClass, FRAME_CLASS *frameClassOld, INT tranFlag, - INT *spreadFlag) -{ - +static void calcFrameClass(FRAME_CLASS *frameClass, FRAME_CLASS *frameClassOld, + INT tranFlag, INT *spreadFlag) { switch (*frameClassOld) { - case FIXFIXonly: - case FIXFIX: - if (tranFlag) *frameClass = FIXVAR; - else *frameClass = FIXFIX; - break; - case FIXVAR: - if (tranFlag) { *frameClass = VARVAR; *spreadFlag = 0; } - else { - if (*spreadFlag) *frameClass = VARVAR; - else *frameClass = VARFIX; - } - break; - case VARFIX: - if (tranFlag) *frameClass = FIXVAR; - else *frameClass = FIXFIX; - break; - case VARVAR: - if (tranFlag) { *frameClass = VARVAR; *spreadFlag = 0; } - else { - if (*spreadFlag) *frameClass = VARVAR; - else *frameClass = VARFIX; - } - break; + case FIXFIXonly: + case FIXFIX: + if (tranFlag) + *frameClass = FIXVAR; + else + *frameClass = FIXFIX; + break; + case FIXVAR: + if (tranFlag) { + *frameClass = VARVAR; + *spreadFlag = 0; + } else { + if (*spreadFlag) + *frameClass = VARVAR; + else + *frameClass = VARFIX; + } + break; + case VARFIX: + if (tranFlag) + *frameClass = FIXVAR; + else + *frameClass = FIXFIX; + break; + case VARVAR: + if (tranFlag) { + *frameClass = VARVAR; + *spreadFlag = 0; + } else { + if (*spreadFlag) + *frameClass = VARVAR; + else + *frameClass = VARFIX; + } + break; }; *frameClassOld = *frameClass; } - - /******************************************************************************* Functionname: specialCase ******************************************************************************* @@ -1459,28 +1382,24 @@ calcFrameClass (FRAME_CLASS *frameClass, FRAME_CLASS *frameClassOld, INT tranFla Return: none *******************************************************************************/ -static void -specialCase (INT *spreadFlag, INT allowSpread, INT *v_bord, - INT *length_v_bord, INT *v_freq, INT *length_v_freq, INT *parts, - INT d) -{ +static void specialCase(INT *spreadFlag, INT allowSpread, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT *length_v_freq, + INT *parts, INT d) { INT L; L = *length_v_bord; - if (allowSpread) { /* add one "step 8" */ + if (allowSpread) { /* add one "step 8" */ *spreadFlag = 1; - FDKsbrEnc_AddRight (v_bord, length_v_bord, v_bord[L - 1] + 8); - FDKsbrEnc_AddRight (v_freq, length_v_freq, 1); + FDKsbrEnc_AddRight(v_bord, length_v_bord, v_bord[L - 1] + 8); + FDKsbrEnc_AddRight(v_freq, length_v_freq, 1); (*parts)++; - } - else { - if (d == 1) { /* stretch one slot */ + } else { + if (d == 1) { /* stretch one slot */ *length_v_bord = L - 1; *length_v_freq = L - 1; - } - else { - if ((v_bord[L - 1] - v_bord[L - 2]) > 2) { /* compress one quant step */ + } else { + if ((v_bord[L - 1] - v_bord[L - 2]) > 2) { /* compress one quant step */ v_bord[L - 1] = v_bord[L - 1] - 2; v_freq[*length_v_freq - 1] = 0; /* use low res for short segment */ } @@ -1488,8 +1407,6 @@ specialCase (INT *spreadFlag, INT allowSpread, INT *v_bord, } } - - /******************************************************************************* Functionname: calcCmonBorder ******************************************************************************* @@ -1505,14 +1422,13 @@ specialCase (INT *spreadFlag, INT allowSpread, INT *v_bord, Return: none *******************************************************************************/ -static void -calcCmonBorder (INT *i_cmon, INT *i_tran, INT *v_bord, INT *length_v_bord, - INT tran, INT bufferFrameStart, INT numberTimeSlots) -{ /* FH 00-06-26 */ +static void calcCmonBorder(INT *i_cmon, INT *i_tran, INT *v_bord, + INT *length_v_bord, INT tran, INT bufferFrameStart, + INT numberTimeSlots) { /* FH 00-06-26 */ INT i; for (i = 0; i < *length_v_bord; i++) - if (v_bord[i] >= bufferFrameStart + numberTimeSlots) { /* FH 00-06-26 */ + if (v_bord[i] >= bufferFrameStart + numberTimeSlots) { /* FH 00-06-26 */ *i_cmon = i; break; } @@ -1522,8 +1438,7 @@ calcCmonBorder (INT *i_cmon, INT *i_tran, INT *v_bord, INT *length_v_bord, if (v_bord[i] >= tran) { *i_tran = i; break; - } - else + } else *i_tran = EMPTY; } @@ -1549,13 +1464,12 @@ calcCmonBorder (INT *i_cmon, INT *i_tran, INT *v_bord, INT *length_v_bord, Return: none *******************************************************************************/ -static void -keepForFollowUp (INT *v_bordFollow, INT *length_v_bordFollow, - INT *v_freqFollow, INT *length_v_freqFollow, - INT *i_tranFollow, INT *i_fillFollow, INT *v_bord, - INT *length_v_bord, INT *v_freq, INT i_cmon, INT i_tran, - INT parts, INT numberTimeSlots) -{ /* FH 00-06-26 */ +static void keepForFollowUp(INT *v_bordFollow, INT *length_v_bordFollow, + INT *v_freqFollow, INT *length_v_freqFollow, + INT *i_tranFollow, INT *i_fillFollow, INT *v_bord, + INT *length_v_bord, INT *v_freq, INT i_cmon, + INT i_tran, INT parts, + INT numberTimeSlots) { /* FH 00-06-26 */ INT L, i, j; L = *length_v_bord; @@ -1564,7 +1478,7 @@ keepForFollowUp (INT *v_bordFollow, INT *length_v_bordFollow, (*length_v_freqFollow) = 0; for (j = 0, i = i_cmon; i < L; i++, j++) { - v_bordFollow[j] = v_bord[i] - numberTimeSlots; /* FH 00-06-26 */ + v_bordFollow[j] = v_bord[i] - numberTimeSlots; /* FH 00-06-26 */ v_freqFollow[j] = v_freq[i]; (*length_v_bordFollow)++; (*length_v_freqFollow)++; @@ -1574,7 +1488,6 @@ keepForFollowUp (INT *v_bordFollow, INT *length_v_bordFollow, else *i_tranFollow = EMPTY; *i_fillFollow = L - (parts - 1) - i_cmon; - } /******************************************************************************* @@ -1597,14 +1510,10 @@ keepForFollowUp (INT *v_bordFollow, INT *length_v_bordFollow, Return: none *******************************************************************************/ -static void -calcCtrlSignal (HANDLE_SBR_GRID hSbrGrid, - FRAME_CLASS frameClass, INT *v_bord, INT length_v_bord, INT *v_freq, - INT length_v_freq, INT i_cmon, INT i_tran, INT spreadFlag, - INT nL) -{ - - +static void calcCtrlSignal(HANDLE_SBR_GRID hSbrGrid, FRAME_CLASS frameClass, + INT *v_bord, INT length_v_bord, INT *v_freq, + INT length_v_freq, INT i_cmon, INT i_tran, + INT spreadFlag, INT nL) { INT i, r, a, n, p, b, aL, aR, ntot, nmax, nR; INT *v_f = hSbrGrid->v_f; @@ -1618,164 +1527,152 @@ calcCtrlSignal (HANDLE_SBR_GRID hSbrGrid, INT length_v_rL = 0; switch (frameClass) { - case FIXVAR: - /* absolute border: */ - - a = v_bord[i_cmon]; - - /* relative borders: */ - length_v_r = 0; - i = i_cmon; - - while (i >= 1) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_r, &length_v_r, r); - i--; - } - - - /* number of relative borders: */ - n = length_v_r; - - - /* freq res: */ - for (i = 0; i < i_cmon; i++) - v_f[i] = v_freq[i_cmon - 1 - i]; - v_f[i_cmon] = 1; + case FIXVAR: + /* absolute border: */ - /* pointer: */ - p = (i_cmon >= i_tran && i_tran != EMPTY) ? (i_cmon - i_tran + 1) : (0) ; + a = v_bord[i_cmon]; - hSbrGrid->frameClass = frameClass; - hSbrGrid->bs_abs_bord = a; - hSbrGrid->n = n; - hSbrGrid->p = p; + /* relative borders: */ + length_v_r = 0; + i = i_cmon; - break; - case VARFIX: - /* absolute border: */ - a = v_bord[0]; + while (i >= 1) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_r, &length_v_r, r); + i--; + } - /* relative borders: */ - length_v_r = 0; + /* number of relative borders: */ + n = length_v_r; - for (i = 1; i < length_v_bord; i++) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_r, &length_v_r, r); - } + /* freq res: */ + for (i = 0; i < i_cmon; i++) v_f[i] = v_freq[i_cmon - 1 - i]; + v_f[i_cmon] = 1; - /* number of relative borders: */ - n = length_v_r; + /* pointer: */ + p = (i_cmon >= i_tran && i_tran != EMPTY) ? (i_cmon - i_tran + 1) : (0); - /* freq res: */ - FDKmemcpy (v_f, v_freq, length_v_freq * sizeof (INT)); + hSbrGrid->frameClass = frameClass; + hSbrGrid->bs_abs_bord = a; + hSbrGrid->n = n; + hSbrGrid->p = p; + break; + case VARFIX: + /* absolute border: */ + a = v_bord[0]; - /* pointer: */ - p = (i_tran >= 0 && i_tran != EMPTY) ? (i_tran + 1) : (0) ; + /* relative borders: */ + length_v_r = 0; - hSbrGrid->frameClass = frameClass; - hSbrGrid->bs_abs_bord = a; - hSbrGrid->n = n; - hSbrGrid->p = p; + for (i = 1; i < length_v_bord; i++) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_r, &length_v_r, r); + } - break; - case VARVAR: - if (spreadFlag) { - /* absolute borders: */ - b = length_v_bord; + /* number of relative borders: */ + n = length_v_r; - aL = v_bord[0]; - aR = v_bord[b - 1]; + /* freq res: */ + FDKmemcpy(v_f, v_freq, length_v_freq * sizeof(INT)); + /* pointer: */ + p = (i_tran >= 0 && i_tran != EMPTY) ? (i_tran + 1) : (0); - /* number of relative borders: */ - ntot = b - 2; + hSbrGrid->frameClass = frameClass; + hSbrGrid->bs_abs_bord = a; + hSbrGrid->n = n; + hSbrGrid->p = p; - nmax = 2; /* n: {0,1,2} */ - if (ntot > nmax) { - nL = nmax; - nR = ntot - nmax; - } - else { - nL = ntot; - nR = 0; - } + break; + case VARVAR: + if (spreadFlag) { + /* absolute borders: */ + b = length_v_bord; + + aL = v_bord[0]; + aR = v_bord[b - 1]; + + /* number of relative borders: */ + ntot = b - 2; + + nmax = 2; /* n: {0,1,2} */ + if (ntot > nmax) { + nL = nmax; + nR = ntot - nmax; + } else { + nL = ntot; + nR = 0; + } - /* relative borders: */ - length_v_rL = 0; - for (i = 1; i <= nL; i++) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_rL, &length_v_rL, r); - } + /* relative borders: */ + length_v_rL = 0; + for (i = 1; i <= nL; i++) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_rL, &length_v_rL, r); + } - length_v_rR = 0; - i = b - 1; - while (i >= b - nR) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_rR, &length_v_rR, r); - i--; - } + length_v_rR = 0; + i = b - 1; + while (i >= b - nR) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_rR, &length_v_rR, r); + i--; + } - /* pointer (only one due to constraint in frame info): */ - p = (i_tran > 0 && i_tran != EMPTY) ? (b - i_tran) : (0) ; + /* pointer (only one due to constraint in frame info): */ + p = (i_tran > 0 && i_tran != EMPTY) ? (b - i_tran) : (0); - /* freq res: */ + /* freq res: */ - for (i = 0; i < b - 1; i++) - v_fLR[i] = v_freq[i]; - } - else { + for (i = 0; i < b - 1; i++) v_fLR[i] = v_freq[i]; + } else { + length_v_bord = i_cmon + 1; - length_v_bord = i_cmon + 1; - length_v_freq = i_cmon + 1; + /* absolute borders: */ + b = length_v_bord; + aL = v_bord[0]; + aR = v_bord[b - 1]; - /* absolute borders: */ - b = length_v_bord; + /* number of relative borders: */ + ntot = b - 2; + nR = ntot - nL; - aL = v_bord[0]; - aR = v_bord[b - 1]; + /* relative borders: */ + length_v_rL = 0; + for (i = 1; i <= nL; i++) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_rL, &length_v_rL, r); + } - /* number of relative borders: */ - ntot = b - 2; - nR = ntot - nL; + length_v_rR = 0; + i = b - 1; + while (i >= b - nR) { + r = v_bord[i] - v_bord[i - 1]; + FDKsbrEnc_AddRight(v_rR, &length_v_rR, r); + i--; + } - /* relative borders: */ - length_v_rL = 0; - for (i = 1; i <= nL; i++) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_rL, &length_v_rL, r); - } + /* pointer (only one due to constraint in frame info): */ + p = (i_cmon >= i_tran && i_tran != EMPTY) ? (i_cmon - i_tran + 1) : (0); - length_v_rR = 0; - i = b - 1; - while (i >= b - nR) { - r = v_bord[i] - v_bord[i - 1]; - FDKsbrEnc_AddRight (v_rR, &length_v_rR, r); - i--; + /* freq res: */ + for (i = 0; i < b - 1; i++) v_fLR[i] = v_freq[i]; } - /* pointer (only one due to constraint in frame info): */ - p = (i_cmon >= i_tran && i_tran != EMPTY) ? (i_cmon - i_tran + 1) : (0) ; + hSbrGrid->frameClass = frameClass; + hSbrGrid->bs_abs_bord_0 = aL; + hSbrGrid->bs_abs_bord_1 = aR; + hSbrGrid->bs_num_rel_0 = nL; + hSbrGrid->bs_num_rel_1 = nR; + hSbrGrid->p = p; - /* freq res: */ - for (i = 0; i < b - 1; i++) - v_fLR[i] = v_freq[i]; - } - - hSbrGrid->frameClass = frameClass; - hSbrGrid->bs_abs_bord_0 = aL; - hSbrGrid->bs_abs_bord_1 = aR; - hSbrGrid->bs_num_rel_0 = nL; - hSbrGrid->bs_num_rel_1 = nR; - hSbrGrid->p = p; - - break; + break; - default: - /* do nothing */ - break; + default: + /* do nothing */ + break; } } @@ -1795,79 +1692,77 @@ calcCtrlSignal (HANDLE_SBR_GRID hSbrGrid, Written: Andreas Schneider Revised: *******************************************************************************/ -static void -createDefFrameInfo(HANDLE_SBR_FRAME_INFO hSbrFrameInfo, INT nEnv, INT nTimeSlots) -{ +static void createDefFrameInfo(HANDLE_SBR_FRAME_INFO hSbrFrameInfo, INT nEnv, + INT nTimeSlots) { switch (nEnv) { - case 1: - switch (nTimeSlots) { - case NUMBER_TIME_SLOTS_1920: - FDKmemcpy (hSbrFrameInfo, &frameInfo1_1920, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_2048: - FDKmemcpy (hSbrFrameInfo, &frameInfo1_2048, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_1152: - FDKmemcpy (hSbrFrameInfo, &frameInfo1_1152, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_2304: - FDKmemcpy (hSbrFrameInfo, &frameInfo1_2304, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_512LD: - FDKmemcpy (hSbrFrameInfo, &frameInfo1_512LD, sizeof (SBR_FRAME_INFO)); - break; - default: - FDK_ASSERT(0); - } - break; - case 2: - switch (nTimeSlots) { - case NUMBER_TIME_SLOTS_1920: - FDKmemcpy (hSbrFrameInfo, &frameInfo2_1920, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_2048: - FDKmemcpy (hSbrFrameInfo, &frameInfo2_2048, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_1152: - FDKmemcpy (hSbrFrameInfo, &frameInfo2_1152, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_2304: - FDKmemcpy (hSbrFrameInfo, &frameInfo2_2304, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_512LD: - FDKmemcpy (hSbrFrameInfo, &frameInfo2_512LD, sizeof (SBR_FRAME_INFO)); - break; - default: - FDK_ASSERT(0); - } - break; - case 4: - switch (nTimeSlots) { - case NUMBER_TIME_SLOTS_1920: - FDKmemcpy (hSbrFrameInfo, &frameInfo4_1920, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_2048: - FDKmemcpy (hSbrFrameInfo, &frameInfo4_2048, sizeof (SBR_FRAME_INFO)); - break; - case NUMBER_TIME_SLOTS_1152: - FDKmemcpy (hSbrFrameInfo, &frameInfo4_1152, sizeof (SBR_FRAME_INFO)); + case 1: + switch (nTimeSlots) { + case NUMBER_TIME_SLOTS_1920: + FDKmemcpy(hSbrFrameInfo, &frameInfo1_1920, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2048: + FDKmemcpy(hSbrFrameInfo, &frameInfo1_2048, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_1152: + FDKmemcpy(hSbrFrameInfo, &frameInfo1_1152, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2304: + FDKmemcpy(hSbrFrameInfo, &frameInfo1_2304, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_512LD: + FDKmemcpy(hSbrFrameInfo, &frameInfo1_512LD, sizeof(SBR_FRAME_INFO)); + break; + default: + FDK_ASSERT(0); + } break; - case NUMBER_TIME_SLOTS_2304: - FDKmemcpy (hSbrFrameInfo, &frameInfo4_2304, sizeof (SBR_FRAME_INFO)); + case 2: + switch (nTimeSlots) { + case NUMBER_TIME_SLOTS_1920: + FDKmemcpy(hSbrFrameInfo, &frameInfo2_1920, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2048: + FDKmemcpy(hSbrFrameInfo, &frameInfo2_2048, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_1152: + FDKmemcpy(hSbrFrameInfo, &frameInfo2_1152, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2304: + FDKmemcpy(hSbrFrameInfo, &frameInfo2_2304, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_512LD: + FDKmemcpy(hSbrFrameInfo, &frameInfo2_512LD, sizeof(SBR_FRAME_INFO)); + break; + default: + FDK_ASSERT(0); + } break; - case NUMBER_TIME_SLOTS_512LD: - FDKmemcpy (hSbrFrameInfo, &frameInfo4_512LD, sizeof (SBR_FRAME_INFO)); + case 4: + switch (nTimeSlots) { + case NUMBER_TIME_SLOTS_1920: + FDKmemcpy(hSbrFrameInfo, &frameInfo4_1920, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2048: + FDKmemcpy(hSbrFrameInfo, &frameInfo4_2048, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_1152: + FDKmemcpy(hSbrFrameInfo, &frameInfo4_1152, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_2304: + FDKmemcpy(hSbrFrameInfo, &frameInfo4_2304, sizeof(SBR_FRAME_INFO)); + break; + case NUMBER_TIME_SLOTS_512LD: + FDKmemcpy(hSbrFrameInfo, &frameInfo4_512LD, sizeof(SBR_FRAME_INFO)); + break; + default: + FDK_ASSERT(0); + } break; default: FDK_ASSERT(0); - } - break; - default: - FDK_ASSERT(0); } } - /******************************************************************************* Functionname: ctrlSignal2FrameInfo ******************************************************************************* @@ -1886,171 +1781,177 @@ createDefFrameInfo(HANDLE_SBR_FRAME_INFO hSbrFrameInfo, INT nEnv, INT nTimeSlots Return: void; hSbrFrameInfo contains the updated FRAME_INFO struct *******************************************************************************/ -static void -ctrlSignal2FrameInfo ( - HANDLE_SBR_GRID hSbrGrid, /* input : the grid handle */ - HANDLE_SBR_FRAME_INFO hSbrFrameInfo, /* output: the frame info handle */ - FREQ_RES *freq_res_fixfix /* in/out: frequency resolution for FIXFIX frames */ - ) -{ +static void ctrlSignal2FrameInfo( + HANDLE_SBR_GRID hSbrGrid, /* input : the grid handle */ + HANDLE_SBR_FRAME_INFO hSbrFrameInfo, /* output: the frame info handle */ + FREQ_RES + *freq_res_fixfix /* in/out: frequency resolution for FIXFIX frames */ +) { INT frameSplit = 0; INT nEnv = 0, border = 0, i, k, p /*?*/; INT *v_r = hSbrGrid->bs_rel_bord; INT *v_f = hSbrGrid->v_f; FRAME_CLASS frameClass = hSbrGrid->frameClass; - INT bufferFrameStart = hSbrGrid->bufferFrameStart; - INT numberTimeSlots = hSbrGrid->numberTimeSlots; + INT bufferFrameStart = hSbrGrid->bufferFrameStart; + INT numberTimeSlots = hSbrGrid->numberTimeSlots; switch (frameClass) { - case FIXFIX: - createDefFrameInfo(hSbrFrameInfo, hSbrGrid->bs_num_env, numberTimeSlots); + case FIXFIX: + createDefFrameInfo(hSbrFrameInfo, hSbrGrid->bs_num_env, numberTimeSlots); - frameSplit = (hSbrFrameInfo->nEnvelopes > 1); - for (i = 0; i < hSbrFrameInfo->nEnvelopes; i++) { - hSbrGrid->v_f[i] = hSbrFrameInfo->freqRes[i] = freq_res_fixfix[frameSplit]; - } - break; + frameSplit = (hSbrFrameInfo->nEnvelopes > 1); + for (i = 0; i < hSbrFrameInfo->nEnvelopes; i++) { + hSbrGrid->v_f[i] = hSbrFrameInfo->freqRes[i] = + freq_res_fixfix[frameSplit]; + } + break; - case FIXVAR: - case VARFIX: - nEnv = hSbrGrid->n + 1; /* read n [SBR_NUM_BITS bits] */ /*? snd*/ - FDK_ASSERT(nEnv <= MAX_ENVELOPES_FIXVAR_VARFIX); + case FIXVAR: + case VARFIX: + nEnv = hSbrGrid->n + 1; /* read n [SBR_NUM_BITS bits] */ /*? snd*/ + FDK_ASSERT(nEnv <= MAX_ENVELOPES_FIXVAR_VARFIX); - hSbrFrameInfo->nEnvelopes = nEnv; + hSbrFrameInfo->nEnvelopes = nEnv; - border = hSbrGrid->bs_abs_bord; /* read the absolute border */ + border = hSbrGrid->bs_abs_bord; /* read the absolute border */ - if (nEnv == 1) - hSbrFrameInfo->nNoiseEnvelopes = 1; - else - hSbrFrameInfo->nNoiseEnvelopes = 2; + if (nEnv == 1) + hSbrFrameInfo->nNoiseEnvelopes = 1; + else + hSbrFrameInfo->nNoiseEnvelopes = 2; - break; + break; - default: - /* do nothing */ - break; + default: + /* do nothing */ + break; } switch (frameClass) { - case FIXVAR: - hSbrFrameInfo->borders[0] = bufferFrameStart; /* start-position of 1st envelope */ + case FIXVAR: + hSbrFrameInfo->borders[0] = + bufferFrameStart; /* start-position of 1st envelope */ - hSbrFrameInfo->borders[nEnv] = border; + hSbrFrameInfo->borders[nEnv] = border; - for (k = 0, i = nEnv - 1; k < nEnv - 1; k++, i--) { - border -= v_r[k]; - hSbrFrameInfo->borders[i] = border; - } + for (k = 0, i = nEnv - 1; k < nEnv - 1; k++, i--) { + border -= v_r[k]; + hSbrFrameInfo->borders[i] = border; + } - /* make either envelope nr. nEnv + 1 - p short; or don't shorten if p == 0 */ - p = hSbrGrid->p; - if (p == 0) { - hSbrFrameInfo->shortEnv = 0; - } else { - hSbrFrameInfo->shortEnv = nEnv + 1 - p; - } + /* make either envelope nr. nEnv + 1 - p short; or don't shorten if p == 0 + */ + p = hSbrGrid->p; + if (p == 0) { + hSbrFrameInfo->shortEnv = 0; + } else { + hSbrFrameInfo->shortEnv = nEnv + 1 - p; + } - for (k = 0, i = nEnv - 1; k < nEnv; k++, i--) { - hSbrFrameInfo->freqRes[i] = (FREQ_RES)v_f[k]; - } + for (k = 0, i = nEnv - 1; k < nEnv; k++, i--) { + hSbrFrameInfo->freqRes[i] = (FREQ_RES)v_f[k]; + } - /* if either there is no short envelope or the last envelope is short... */ - if (p == 0 || p == 1) { - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; - } else { - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; - } + /* if either there is no short envelope or the last envelope is short... + */ + if (p == 0 || p == 1) { + hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; + } else { + hSbrFrameInfo->bordersNoise[1] = + hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; + } - break; + break; - case VARFIX: - /* in this case 'border' indicates the start of the 1st envelope */ - hSbrFrameInfo->borders[0] = border; + case VARFIX: + /* in this case 'border' indicates the start of the 1st envelope */ + hSbrFrameInfo->borders[0] = border; - for (k = 0; k < nEnv - 1; k++) { - border += v_r[k]; - hSbrFrameInfo->borders[k + 1] = border; - } + for (k = 0; k < nEnv - 1; k++) { + border += v_r[k]; + hSbrFrameInfo->borders[k + 1] = border; + } - hSbrFrameInfo->borders[nEnv] = bufferFrameStart + numberTimeSlots; + hSbrFrameInfo->borders[nEnv] = bufferFrameStart + numberTimeSlots; - p = hSbrGrid->p; - if (p == 0 || p == 1) { - hSbrFrameInfo->shortEnv = 0; - } else { - hSbrFrameInfo->shortEnv = p - 1; - } + p = hSbrGrid->p; + if (p == 0 || p == 1) { + hSbrFrameInfo->shortEnv = 0; + } else { + hSbrFrameInfo->shortEnv = p - 1; + } - for (k = 0; k < nEnv; k++) { - hSbrFrameInfo->freqRes[k] = (FREQ_RES)v_f[k]; - } + for (k = 0; k < nEnv; k++) { + hSbrFrameInfo->freqRes[k] = (FREQ_RES)v_f[k]; + } - switch (p) { - case 0: - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[1]; - break; - case 1: - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; - break; - default: - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; + switch (p) { + case 0: + hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[1]; + break; + case 1: + hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; + break; + default: + hSbrFrameInfo->bordersNoise[1] = + hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; + break; + } break; - } - break; - - case VARVAR: - nEnv = hSbrGrid->bs_num_rel_0 + hSbrGrid->bs_num_rel_1 + 1; - FDK_ASSERT(nEnv <= MAX_ENVELOPES_VARVAR); /* just to be sure */ - hSbrFrameInfo->nEnvelopes = nEnv; - hSbrFrameInfo->borders[0] = border = hSbrGrid->bs_abs_bord_0; + case VARVAR: + nEnv = hSbrGrid->bs_num_rel_0 + hSbrGrid->bs_num_rel_1 + 1; + FDK_ASSERT(nEnv <= MAX_ENVELOPES_VARVAR); /* just to be sure */ + hSbrFrameInfo->nEnvelopes = nEnv; - for (k = 0, i = 1; k < hSbrGrid->bs_num_rel_0; k++, i++) { - border += hSbrGrid->bs_rel_bord_0[k]; - hSbrFrameInfo->borders[i] = border; - } + hSbrFrameInfo->borders[0] = border = hSbrGrid->bs_abs_bord_0; - border = hSbrGrid->bs_abs_bord_1; - hSbrFrameInfo->borders[nEnv] = border; + for (k = 0, i = 1; k < hSbrGrid->bs_num_rel_0; k++, i++) { + border += hSbrGrid->bs_rel_bord_0[k]; + hSbrFrameInfo->borders[i] = border; + } - for (k = 0, i = nEnv - 1; k < hSbrGrid->bs_num_rel_1; k++, i--) { - border -= hSbrGrid->bs_rel_bord_1[k]; - hSbrFrameInfo->borders[i] = border; - } + border = hSbrGrid->bs_abs_bord_1; + hSbrFrameInfo->borders[nEnv] = border; - p = hSbrGrid->p; - if (p == 0) { - hSbrFrameInfo->shortEnv = 0; - } else { - hSbrFrameInfo->shortEnv = nEnv + 1 - p; - } + for (k = 0, i = nEnv - 1; k < hSbrGrid->bs_num_rel_1; k++, i--) { + border -= hSbrGrid->bs_rel_bord_1[k]; + hSbrFrameInfo->borders[i] = border; + } - for (k = 0; k < nEnv; k++) { - hSbrFrameInfo->freqRes[k] = (FREQ_RES)hSbrGrid->v_fLR[k]; - } + p = hSbrGrid->p; + if (p == 0) { + hSbrFrameInfo->shortEnv = 0; + } else { + hSbrFrameInfo->shortEnv = nEnv + 1 - p; + } - if (nEnv == 1) { - hSbrFrameInfo->nNoiseEnvelopes = 1; - hSbrFrameInfo->bordersNoise[0] = hSbrGrid->bs_abs_bord_0; - hSbrFrameInfo->bordersNoise[1] = hSbrGrid->bs_abs_bord_1; - } else { - hSbrFrameInfo->nNoiseEnvelopes = 2; - hSbrFrameInfo->bordersNoise[0] = hSbrGrid->bs_abs_bord_0; + for (k = 0; k < nEnv; k++) { + hSbrFrameInfo->freqRes[k] = (FREQ_RES)hSbrGrid->v_fLR[k]; + } - if (p == 0 || p == 1) { - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; + if (nEnv == 1) { + hSbrFrameInfo->nNoiseEnvelopes = 1; + hSbrFrameInfo->bordersNoise[0] = hSbrGrid->bs_abs_bord_0; + hSbrFrameInfo->bordersNoise[1] = hSbrGrid->bs_abs_bord_1; } else { - hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; + hSbrFrameInfo->nNoiseEnvelopes = 2; + hSbrFrameInfo->bordersNoise[0] = hSbrGrid->bs_abs_bord_0; + + if (p == 0 || p == 1) { + hSbrFrameInfo->bordersNoise[1] = hSbrFrameInfo->borders[nEnv - 1]; + } else { + hSbrFrameInfo->bordersNoise[1] = + hSbrFrameInfo->borders[hSbrFrameInfo->shortEnv]; + } + hSbrFrameInfo->bordersNoise[2] = hSbrGrid->bs_abs_bord_1; } - hSbrFrameInfo->bordersNoise[2] = hSbrGrid->bs_abs_bord_1; - } - break; + break; - default: - /* do nothing */ - break; + default: + /* do nothing */ + break; } if (frameClass == VARFIX || frameClass == FIXVAR) { @@ -2062,4 +1963,3 @@ ctrlSignal2FrameInfo ( } } } - |