diff options
Diffstat (limited to 'media/libstagefright/codecs/amrnb/common/src/window_tab.cpp')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/common/src/window_tab.cpp | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrnb/common/src/window_tab.cpp b/media/libstagefright/codecs/amrnb/common/src/window_tab.cpp new file mode 100644 index 0000000..d8fc8cc --- /dev/null +++ b/media/libstagefright/codecs/amrnb/common/src/window_tab.cpp @@ -0,0 +1,281 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/**************************************************************************************** +Portions of this file are derived from the following 3GPP standard: + + 3GPP TS 26.073 + ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec + Available from http://www.3gpp.org + +(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) +Permission to distribute, modify and use this file under the standard license +terms listed above has been obtained from the copyright holder. +****************************************************************************************/ +/* + Pathname: .audio/gsm-amr/c/src/window_tab.c + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: Changed tables from static const to just const. + + Description: Added #ifdef __cplusplus and removed "extern" from table + definition. + + Description: Put "extern" back. + + Who: Date: + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + None + + Local Stores/Buffers/Pointers Needed: + None + + Global Stores/Buffers/Pointers Needed: + None + + Outputs: + None + + Pointers and Buffers Modified: + None + + Local Stores Modified: + None + + Global Stores Modified: + None + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + File : window.tab + Purpose : Hamming_cos window for LPC analysis. + +------------------------------------------------------------------------------ + REQUIREMENTS + + None + +------------------------------------------------------------------------------ + REFERENCES + + None + +------------------------------------------------------------------------------ + PSEUDO-CODE + + +------------------------------------------------------------------------------ + RESOURCES USED + When the code is written for a specific target processor the + the resources used should be documented below. + + STACK USAGE: [stack count for this module] + [variable to represent + stack usage for each subroutine called] + + where: [stack usage variable] = stack usage for [subroutine + name] (see [filename].ext) + + DATA MEMORY USED: x words + + PROGRAM MEMORY USED: x words + + CLOCK CYCLES: [cycle count equation for this module] + [variable + used to represent cycle count for each subroutine + called] + + where: [cycle count variable] = cycle count for [subroutine + name] (see [filename].ext) + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "typedef.h" +#include "cnst.h" +#include "window_tab.h" + +/*--------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; MACROS + ; Define module specific macros here + ----------------------------------------------------------------------------*/ + + + /*---------------------------------------------------------------------------- + ; DEFINES + ; Include all pre-processor statements here. Include conditional + ; compile variables also. + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; LOCAL FUNCTION DEFINITIONS + ; Function Prototype declaration + ----------------------------------------------------------------------------*/ + + + /*---------------------------------------------------------------------------- + ; LOCAL STORE/BUFFER/POINTER DEFINITIONS + ; Variable declaration - defined here and used outside this module + ----------------------------------------------------------------------------*/ + /************************************************************************* + * + * Hamming_cos windows for LPC analysis. + * + *************************************************************************/ + + /* window for non-EFR modesm; uses 40 samples lookahead */ + + const Word16 window_200_40[L_WINDOW] = + { + 2621, 2623, 2629, 2638, 2651, 2668, 2689, 2713, 2741, 2772, + 2808, 2847, 2890, 2936, 2986, 3040, 3097, 3158, 3223, 3291, + 3363, 3438, 3517, 3599, 3685, 3774, 3867, 3963, 4063, 4166, + 4272, 4382, 4495, 4611, 4731, 4853, 4979, 5108, 5240, 5376, + 5514, 5655, 5800, 5947, 6097, 6250, 6406, 6565, 6726, 6890, + 7057, 7227, 7399, 7573, 7750, 7930, 8112, 8296, 8483, 8672, + 8863, 9057, 9252, 9450, 9650, 9852, 10055, 10261, 10468, 10677, + 10888, 11101, 11315, 11531, 11748, 11967, 12187, 12409, 12632, 12856, + 13082, 13308, 13536, 13764, 13994, 14225, 14456, 14688, 14921, 15155, + 15389, 15624, 15859, 16095, 16331, 16568, 16805, 17042, 17279, 17516, + 17754, 17991, 18228, 18465, 18702, 18939, 19175, 19411, 19647, 19882, + 20117, 20350, 20584, 20816, 21048, 21279, 21509, 21738, 21967, 22194, + 22420, 22644, 22868, 23090, 23311, 23531, 23749, 23965, 24181, 24394, + 24606, 24816, 25024, 25231, 25435, 25638, 25839, 26037, 26234, 26428, + 26621, 26811, 26999, 27184, 27368, 27548, 27727, 27903, 28076, 28247, + 28415, 28581, 28743, 28903, 29061, 29215, 29367, 29515, 29661, 29804, + 29944, 30081, 30214, 30345, 30472, 30597, 30718, 30836, 30950, 31062, + 31170, 31274, 31376, 31474, 31568, 31659, 31747, 31831, 31911, 31988, + 32062, 32132, 32198, 32261, 32320, 32376, 32428, 32476, 32521, 32561, + 32599, 32632, 32662, 32688, 32711, 32729, 32744, 32755, 32763, 32767, + 32767, 32741, 32665, 32537, 32359, 32129, 31850, 31521, 31143, 30716, + 30242, 29720, 29151, 28538, 27879, 27177, 26433, 25647, 24821, 23957, + 23055, 22117, 21145, 20139, 19102, 18036, 16941, 15820, 14674, 13505, + 12315, 11106, 9879, 8637, 7381, 6114, 4838, 3554, 2264, 971 + }; + + + /* window for EFR, first two subframes, no lookahead */ + + const Word16 window_160_80[L_WINDOW] = + { + 2621, 2624, 2633, 2648, 2668, 2695, 2727, 2765, 2809, 2859, + 2915, 2976, 3043, 3116, 3194, 3279, 3368, 3464, 3565, 3671, + 3783, 3900, 4023, 4151, 4285, 4423, 4567, 4716, 4870, 5029, + 5193, 5362, 5535, 5714, 5897, 6084, 6277, 6473, 6674, 6880, + 7089, 7303, 7521, 7742, 7968, 8197, 8430, 8667, 8907, 9151, + 9398, 9648, 9902, 10158, 10417, 10680, 10945, 11212, 11482, 11755, + 12030, 12307, 12586, 12867, 13150, 13435, 13722, 14010, 14299, 14590, + 14882, 15175, 15469, 15764, 16060, 16356, 16653, 16950, 17248, 17546, + 17844, 18141, 18439, 18736, 19033, 19330, 19625, 19920, 20214, 20507, + 20799, 21090, 21380, 21668, 21954, 22239, 22522, 22803, 23083, 23360, + 23635, 23907, 24177, 24445, 24710, 24972, 25231, 25488, 25741, 25991, + 26238, 26482, 26722, 26959, 27192, 27422, 27647, 27869, 28087, 28300, + 28510, 28715, 28916, 29113, 29305, 29493, 29676, 29854, 30028, 30197, + 30361, 30519, 30673, 30822, 30966, 31105, 31238, 31366, 31489, 31606, + 31718, 31825, 31926, 32021, 32111, 32195, 32273, 32346, 32413, 32475, + 32530, 32580, 32624, 32662, 32695, 32721, 32742, 32756, 32765, 32767, + 32767, 32756, 32720, 32661, 32578, 32471, 32341, 32188, 32012, 31813, + 31592, 31349, 31084, 30798, 30492, 30165, 29818, 29453, 29068, 28666, + 28247, 27810, 27358, 26891, 26408, 25913, 25404, 24883, 24350, 23807, + 23255, 22693, 22124, 21548, 20965, 20378, 19786, 19191, 18593, 17994, + 17395, 16796, 16199, 15604, 15012, 14424, 13842, 13265, 12696, 12135, + 11582, 11039, 10507, 9986, 9477, 8981, 8499, 8031, 7579, 7143, + 6723, 6321, 5937, 5571, 5225, 4898, 4591, 4305, 4041, 3798, + 3577, 3378, 3202, 3048, 2918, 2812, 2729, 2669, 2633, 2621 + }; + + /* window for EFR, last two subframes, no lookahead */ + + const Word16 window_232_8[L_WINDOW] = + { + 2621, 2623, 2627, 2634, 2644, 2656, 2671, 2689, 2710, 2734, + 2760, 2789, 2821, 2855, 2893, 2933, 2975, 3021, 3069, 3120, + 3173, 3229, 3288, 3350, 3414, 3481, 3550, 3622, 3697, 3774, + 3853, 3936, 4021, 4108, 4198, 4290, 4385, 4482, 4582, 4684, + 4788, 4895, 5004, 5116, 5230, 5346, 5464, 5585, 5708, 5833, + 5960, 6090, 6221, 6355, 6491, 6629, 6769, 6910, 7054, 7200, + 7348, 7498, 7649, 7803, 7958, 8115, 8274, 8434, 8597, 8761, + 8926, 9093, 9262, 9432, 9604, 9778, 9952, 10129, 10306, 10485, + 10665, 10847, 11030, 11214, 11399, 11586, 11773, 11962, 12152, 12342, + 12534, 12727, 12920, 13115, 13310, 13506, 13703, 13901, 14099, 14298, + 14497, 14698, 14898, 15100, 15301, 15504, 15706, 15909, 16112, 16316, + 16520, 16724, 16928, 17132, 17337, 17541, 17746, 17950, 18155, 18359, + 18564, 18768, 18972, 19175, 19379, 19582, 19785, 19987, 20189, 20390, + 20591, 20792, 20992, 21191, 21390, 21588, 21785, 21981, 22177, 22372, + 22566, 22759, 22951, 23143, 23333, 23522, 23710, 23897, 24083, 24268, + 24451, 24633, 24814, 24994, 25172, 25349, 25525, 25699, 25871, 26042, + 26212, 26380, 26546, 26711, 26874, 27035, 27195, 27353, 27509, 27664, + 27816, 27967, 28115, 28262, 28407, 28550, 28691, 28830, 28967, 29102, + 29234, 29365, 29493, 29619, 29743, 29865, 29985, 30102, 30217, 30330, + 30440, 30548, 30654, 30757, 30858, 30956, 31052, 31146, 31237, 31326, + 31412, 31495, 31576, 31655, 31730, 31804, 31874, 31942, 32008, 32071, + 32131, 32188, 32243, 32295, 32345, 32392, 32436, 32477, 32516, 32552, + 32585, 32615, 32643, 32668, 32690, 32709, 32726, 32740, 32751, 32759, + 32765, 32767, 32767, 32097, 30112, 26895, 22576, 17333, 11380, 4962 + }; + + /*---------------------------------------------------------------------------- + ; EXTERNAL FUNCTION REFERENCES + ; Declare functions defined elsewhere and referenced in this module + ----------------------------------------------------------------------------*/ + + + /*---------------------------------------------------------------------------- + ; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + + /*--------------------------------------------------------------------------*/ +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; Define all local variables +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; Function body here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; Return nothing or data or data pointer +----------------------------------------------------------------------------*/ + |