From patchwork Mon Jan 25 14:53:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Almer X-Patchwork-Id: 25172 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 49A9544BB82 for ; Mon, 25 Jan 2021 16:54:17 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 1D4FB689F4D; Mon, 25 Jan 2021 16:54:17 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-qt1-f169.google.com (mail-qt1-f169.google.com [209.85.160.169]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 9BE7C680A25 for ; Mon, 25 Jan 2021 16:54:10 +0200 (EET) Received: by mail-qt1-f169.google.com with SMTP id z22so9799132qto.7 for ; Mon, 25 Jan 2021 06:54:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=Pu/e0SfWHAjmoX3DreBGPgHsq91KE5KEKQl91LJPBZY=; b=ANFXbQvZj6hidqEHGKIXWA5eaPrpSL7UFUTvjOw8RskNeXK7/FPHeH0jOcRaKNoR24 3qYCp1kSDfAqQF1r5fiL7F4dSN0aIc2vBBW1lqtIEx7azA0lBGDOBWQ8KooTDOdCBzfW tkLsrOLazF2C/kN8QdwfWeAyJm5rEPCKApmLFnuQfxnnTxyZNFAN3CawIDyglvp69fP3 ySYDOnHNOvRKWt0z2xg+RxeegmptAPFLvHHbF7MCKrJhidrVNT11AiVrKCdplnMVoXJt RYV1O/riqhqf0r0QUFNM7jN/FMsWY+0pxsmz7guM++HzQsAKZr+Q7b6NmfvYDuHjkEui VWRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=Pu/e0SfWHAjmoX3DreBGPgHsq91KE5KEKQl91LJPBZY=; b=gzs6n24lCLqgdaifBDAgxk4MULQg9sNv7hrX1JvuKArf31W0nZ7uUXrPATxASlwGz9 RSM+wCb/kKvSMXyX9vX7wxZN5VNf2m7hBveqJdmepLD/2C4mgMF1oOkDO+oy2hreYiT1 Z1T1a3G3uYXOFTqZDMTmwqDslJHs1cWIX09+I/PkSAHGq4YA/3Ctk7ZXLxlMtij0f+O4 UpJ/m/H9gzpe66OYGR6i0tn/PHV2Bvx6KvmGnALGl+8Bjux6UAJnorpEx6eaZjb8dnV0 xqPL0w0WdIorA2/qO2tGubb5rl39mDOoLybGD/lzbxLRov9/aDvJur8pEYjDsLpT66kR FBww== X-Gm-Message-State: AOAM5320YMVNAlIV4FpbHty0hNYDl01i6bSBsrJWxEndFf/KYxQwXLGj c8PrEaCay1awAfnjoXFU3cOZ7Mtc2/LpKw== X-Google-Smtp-Source: ABdhPJw6+ti7CC8S189gknoIxKcnIW8v5wzP0B7/c83N13JN0zh/cezHskGCOLTMPaFPntvvU1tY8Q== X-Received: by 2002:ac8:5bd1:: with SMTP id b17mr763786qtb.53.1611586446480; Mon, 25 Jan 2021 06:54:06 -0800 (PST) Received: from localhost.localdomain ([191.83.212.133]) by smtp.gmail.com with ESMTPSA id o64sm11576462qka.43.2021.01.25.06.54.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Jan 2021 06:54:05 -0800 (PST) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Mon, 25 Jan 2021 11:53:52 -0300 Message-Id: <20210125145352.17760-1-jamrial@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/dolby_e: split decoder and parser more thoroughly X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Neither module should depend on the other, so move shared functions to their own file for this purpose, and ensure source files are compiled only when the required modules are enabled. dolby_e.c/h - Decoder only functions, tables and structures. dolby_e_parser.c - Parser only functions, tables and structures. dolby_e_parse.c/h - Shared functions, tables and structures. Signed-off-by: James Almer --- libavcodec/Makefile | 4 +- libavcodec/dolby_e.c | 3 +- libavcodec/dolby_e.h | 625 ++++++++++++++++-- libavcodec/dolby_e_parse.c | 181 +++++ ...by_e_parser_internal.h => dolby_e_parse.h} | 68 +- libavcodec/dolby_e_parser.c | 164 +---- libavcodec/dolby_e_parser.h | 41 -- libavcodec/dolby_edec.h | 607 ----------------- 8 files changed, 828 insertions(+), 865 deletions(-) create mode 100644 libavcodec/dolby_e_parse.c rename libavcodec/{dolby_e_parser_internal.h => dolby_e_parse.h} (50%) delete mode 100644 libavcodec/dolby_e_parser.h delete mode 100644 libavcodec/dolby_edec.h diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 633ebc37f8..4e9755e8ce 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -40,7 +40,6 @@ OBJS = ac3_parser.o \ d3d11va.o \ decode.o \ dirac.o \ - dolby_e_parser.o \ dv_profile.o \ encode.o \ imgconvert.o \ @@ -286,7 +285,7 @@ OBJS-$(CONFIG_DIRAC_DECODER) += diracdec.o dirac.o diracdsp.o diractab OBJS-$(CONFIG_DFA_DECODER) += dfa.o OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o -OBJS-$(CONFIG_DOLBY_E_DECODER) += dolby_e.o kbdwin.o +OBJS-$(CONFIG_DOLBY_E_DECODER) += dolby_e.o kbdwin.o dolby_e_parse.o OBJS-$(CONFIG_DPX_DECODER) += dpx.o OBJS-$(CONFIG_DPX_ENCODER) += dpxenc.o OBJS-$(CONFIG_DSD_LSBF_DECODER) += dsddec.o dsd.o @@ -1087,6 +1086,7 @@ OBJS-$(CONFIG_COOK_PARSER) += cook_parser.o OBJS-$(CONFIG_DCA_PARSER) += dca_parser.o dca_exss.o dca.o OBJS-$(CONFIG_DIRAC_PARSER) += dirac_parser.o OBJS-$(CONFIG_DNXHD_PARSER) += dnxhd_parser.o dnxhddata.o +OBJS-$(CONFIG_DOLBY_E_PARSER) += dolby_e_parser.o dolby_e_parse.o OBJS-$(CONFIG_DPX_PARSER) += dpx_parser.o OBJS-$(CONFIG_DVAUDIO_PARSER) += dvaudio_parser.o OBJS-$(CONFIG_DVBSUB_PARSER) += dvbsub_parser.o diff --git a/libavcodec/dolby_e.c b/libavcodec/dolby_e.c index 74388f43d1..35b63e672a 100644 --- a/libavcodec/dolby_e.c +++ b/libavcodec/dolby_e.c @@ -28,8 +28,7 @@ #include "put_bits.h" #include "parser.h" #include "dolby_e.h" -#include "dolby_edec.h" -#include "dolby_e_parser_internal.h" +#include "dolby_e_parse.h" #include "fft.h" static int skip_input(DBEContext *s, int nb_words) diff --git a/libavcodec/dolby_e.h b/libavcodec/dolby_e.h index 855d978bc2..4e5ac161d3 100644 --- a/libavcodec/dolby_e.h +++ b/libavcodec/dolby_e.h @@ -21,65 +21,588 @@ #ifndef AVCODEC_DOLBY_E_H #define AVCODEC_DOLBY_E_H +#include "libavutil/float_dsp.h" +#include "libavutil/libm.h" +#include "libavutil/mem_internal.h" + +#include "internal.h" +#include "dolby_e_parse.h" #include "get_bits.h" +#include "kbdwin.h" +#include "fft.h" -#define FRAME_SAMPLES 1792 +#define MAX_SEGMENTS 2 -#define MAX_PROG_CONF 23 -#define MAX_PROGRAMS 8 -#define MAX_CHANNELS 8 +#define MAX_GROUPS 8 +#define MAX_EXPONENTS 304 +#define MAX_MANTISSAS 1024 -/** - * @struct DBEContext - * Dolby E reading context used by decoder and parser. - */ -typedef struct DBEContext { - void *avctx; - GetBitContext gb; +#define MAX_MSTR_EXP 2 +#define MAX_BIAS_EXP 50 - const uint8_t *input; - int input_size; +typedef struct DBEGroup { + uint8_t nb_exponent; + uint8_t nb_bias_exp[MAX_MSTR_EXP]; + uint16_t exp_ofs; + uint16_t mnt_ofs; + const uint8_t *nb_mantissa; + uint8_t imdct_idx; + uint8_t imdct_phs; + uint16_t win_len; + uint16_t dst_ofs; + uint16_t win_ofs; + uint16_t src_ofs; +} DBEGroup; - int word_bits; - int word_bytes; - int key_present; +typedef struct DBEChannel { + int gr_code; + int bw_code; - uint8_t buffer[1024 * 3 + AV_INPUT_BUFFER_PADDING_SIZE]; -} DBEContext; + int nb_groups; + int nb_mstr_exp; + DBEGroup groups[MAX_GROUPS]; -/** - * @struct DolbyEHeaderInfo - * Coded Dolby E header values up to end_gain element, plus derived values. - */ -typedef struct DolbyEHeaderInfo { - /** @name Coded elements - * @{ - */ - int prog_conf; - int nb_channels; - int nb_programs; - - int fr_code; - int fr_code_orig; - - int ch_size[MAX_CHANNELS]; - int mtd_ext_size; - int meter_size; - - int rev_id[MAX_CHANNELS]; - int begin_gain[MAX_CHANNELS]; - int end_gain[MAX_CHANNELS]; - /** @} */ - - /** @name Derived values - * @{ - */ - int multi_prog_warned; - /** @} */ -} DolbyEHeaderInfo; - -static const uint16_t sample_rate_tab[16] = { - 0, 42965, 43008, 44800, 53706, 53760 + int exp_strategy[MAX_GROUPS]; + int exponents[MAX_EXPONENTS]; + int bap[MAX_EXPONENTS]; + int idx[MAX_EXPONENTS]; + + DECLARE_ALIGNED(32, float, mantissas)[MAX_MANTISSAS]; +} DBEChannel; + +typedef struct DBEDecodeContext { + AVCodecContext *avctx; + DBEContext dectx; + + DolbyEHeaderInfo metadata; + + DBEChannel channels[MAX_SEGMENTS][MAX_CHANNELS]; + + DECLARE_ALIGNED(32, float, history)[MAX_CHANNELS][256]; + + FFTContext imdct[3]; + AVFloatDSPContext *fdsp; +} DBEDecodeContext; + +static const int8_t lfe_channel_tab[MAX_PROG_CONF + 1] = { + 5, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 5 +}; + +static const uint8_t ch_reorder_4[4] = { 0, 2, 1, 3 }; +static const uint8_t ch_reorder_6[6] = { 0, 2, 4, 1, 3, 5 }; +static const uint8_t ch_reorder_8[8] = { 0, 2, 6, 4, 1, 3, 7, 5 }; +static const uint8_t ch_reorder_n[8] = { 0, 2, 4, 6, 1, 3, 5, 7 }; + + +static const uint8_t nb_groups_tab[4] = { 1, 8, 7, 1 }; + +static const uint8_t nb_mstr_exp_tab[4] = { 2, 2, 2, 1 }; + +static const uint8_t nb_mantissa_38[38] = { + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, + 7, 8, 9, 10, 11, 12, +}; + +static const uint8_t nb_mantissa_44[44] = { + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 7, 7, + 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 25, +}; + +static const uint8_t nb_mantissa_50[50] = { + 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, + 3, 4, 4, 5, 5, 6, 6, 7, 8, 9, 9, 10, 12, 13, 14, 16, + 18, 19, 22, 24, 27, 29, 32, 36, 40, 44, 49, 54, 60, 66, 74, 82, + 90, 100, +}; + +static const uint8_t imdct_bits_tab[3] = { 8, 9, 11 }; + +static const DBEGroup grp_tab_0[1] = { + { 50, { 27, 23 }, 0, 0, nb_mantissa_50, 2, 0, 1152, 0, 1408, 0 }, +}; + +static const DBEGroup grp_tab_1[8] = { + { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 0, 192, 0, 256, 0 }, + { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 64, 448, 0 }, + { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 192, 704, 0 }, + { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, + { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, + { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, + { 38, { 12, 26 }, 228, 768, nb_mantissa_38, 0, 1, 256, 704, 0, 0 }, + { 38, { 12, 26 }, 266, 896, nb_mantissa_38, 0, 1, 256, 832, 0, 0 }, +}; + +static const DBEGroup grp_tab_2[7] = { + { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 0, 192, 0, 256, 0 }, + { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 64, 448, 0 }, + { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 192, 704, 0 }, + { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, + { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, + { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, + { 44, { 19, 25 }, 228, 768, nb_mantissa_44, 1, 1, 448, 704, 960, 64 }, +}; + +static const DBEGroup grp_tab_3[1] = { + { 21, { 21 }, 0, 0, nb_mantissa_50, 2, 0, 1152, 0, 1408, 0 }, +}; + +static const DBEGroup grp_tab_4[1] = { + { 50, { 27, 23 }, 0, 0, nb_mantissa_50, 2, 2, 1152, 0, 1408, 896 }, +}; + +static const DBEGroup grp_tab_5[8] = { + { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 1, 256, 64, 0, 0 }, + { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 192, 0, 0 }, + { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, + { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, + { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, + { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 704, 3008, 0 }, + { 38, { 12, 26 }, 228, 768, nb_mantissa_38, 0, 1, 256, 832, 2752, 0 }, + { 38, { 12, 26 }, 266, 896, nb_mantissa_38, 0, 2, 192, 960, 2560, 64 }, +}; + +static const DBEGroup grp_tab_6[7] = { + { 44, { 19, 25 }, 0, 0, nb_mantissa_44, 1, 1, 448, 0, 3264, 0 }, + { 38, { 12, 26 }, 44, 256, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, + { 38, { 12, 26 }, 82, 384, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, + { 38, { 12, 26 }, 120, 512, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, + { 38, { 12, 26 }, 158, 640, nb_mantissa_38, 0, 1, 256, 704, 3008, 0 }, + { 38, { 12, 26 }, 196, 768, nb_mantissa_38, 0, 1, 256, 832, 2752, 0 }, + { 38, { 12, 26 }, 234, 896, nb_mantissa_38, 0, 2, 192, 960, 2560, 64 }, +}; + +static const DBEGroup grp_tab_7[1] = { + { 21, { 21 }, 0, 0, nb_mantissa_50, 2, 2, 1152, 0, 1408, 896 }, +}; + +static const DBEGroup *const frm_ofs_tab[2][4] = { + { grp_tab_0, grp_tab_1, grp_tab_2, grp_tab_3 }, + { grp_tab_4, grp_tab_5, grp_tab_6, grp_tab_7 } +}; + +static const uint8_t mantissa_size1[16][4] = { + { 0, 0, 0, 0 }, { 2, 1, 1, 1 }, { 3, 2, 1, 1 }, { 4, 3, 2, 1 }, + { 5, 4, 3, 2 }, { 6, 5, 4, 3 }, { 7, 6, 5, 4 }, { 8, 7, 6, 5 }, + { 9, 8, 7, 6 }, { 10, 9, 8, 7 }, { 11, 10, 9, 8 }, { 12, 11, 10, 9 }, + { 13, 12, 11, 10 }, { 14, 13, 12, 11 }, { 15, 14, 13, 12 }, { 16, 15, 14, 13 }, }; +static const uint8_t mantissa_size2[16][4] = { + { 0, 0, 0, 0 }, { 2, 1, 2, 2 }, { 3, 2, 3, 3 }, { 4, 3, 4, 4 }, + { 5, 4, 5, 5 }, { 6, 5, 6, 6 }, { 7, 6, 7, 7 }, { 8, 7, 8, 8 }, + { 9, 8, 9, 9 }, { 10, 9, 10, 10 }, { 11, 10, 11, 11 }, { 12, 11, 12, 12 }, + { 13, 12, 13, 13 }, { 14, 13, 14, 14 }, { 15, 14, 15, 15 }, { 16, 15, 16, 16 }, +}; + +static const float start_window[192] = { + 0.00161569379826, 0.00185748233347, 0.00198562758548, 0.00207834078104, + 0.00215717748523, 0.00223067096393, 0.00230299213147, 0.00237651215396, + 0.00245275561606, 0.00253281402069, 0.00261754673613, 0.00270768786168, + 0.00280390761895, 0.00290684998656, 0.00301715751161, 0.00313548872798, + 0.00326253122934, 0.00339901215995, 0.00354570716636, 0.00370344845023, + 0.00387313232586, 0.00405572653911, 0.00425227750970, 0.00446391759265, + 0.00469187240551, 0.00493746822816, 0.00520213944619, 0.00548743597507, + 0.00579503056737, 0.00612672586953, 0.00648446105606, 0.00687031782873, + 0.00728652552677, 0.00773546505205, 0.00821967127415, 0.00874183354619, + 0.00930479393832, 0.00991154278653, 0.01056521116692, 0.01126905994567, + 0.01202646513050, 0.01284089936559, 0.01371590957417, 0.01465509096066, + 0.01566205783408, 0.01674041199523, 0.01789370972358, 0.01912542867865, + 0.02043893626265, 0.02183746113793, 0.02332406961796, 0.02490164852364, + 0.02657289580178, 0.02834031974193, 0.03020624702903, 0.03217283918354, + 0.03424211623810, 0.03641598586180, 0.03869627565015, 0.04108476601498, + 0.04358322107390, 0.04619341515939, 0.04891715301882, 0.05175628239149, + + 0.05471237327267, 0.05778734733755, 0.06098291402413, 0.06430101352084, + 0.06774345212186, 0.07131188644726, 0.07500780649199, 0.07883251748595, + 0.08278712056651, 0.08687249228061, 0.09108926295730, 0.09543779401074, + 0.09991815425851, 0.10453009536427, 0.10927302653894, 0.11414598865987, + 0.11914762799220, 0.12427616972097, 0.12952939152560, 0.13490459744934, + 0.14039859233595, 0.14600765712201, 0.15172752528722, 0.15755336077528, + 0.16347973770491, 0.16950062219342, 0.17560935661442, 0.18179864660619, + 0.18806055113821, 0.19438647593012, 0.20076717050010, 0.20719272909882, + 0.21365259576030, 0.22013557367283, 0.22662983904194, 0.23312295958328, + 0.23960191774666, 0.24605313873388, 0.25246252333253, 0.25881548554631, + 0.26509699495987, 0.27129162373316, 0.27738359807707, 0.28335685401987, + 0.28919509723179, 0.29488186663467, 0.30040060148455, 0.30573471157819, + 0.31086765019993, 0.31578298939317, 0.32046449711227, 0.32489621578468, + 0.32906254179156, 0.33294830535654, 0.33653885031840, 0.33982011325336, + 0.34277870140679, 0.34540196889300, 0.34767809062480, 0.34959613344194, + 0.35114612391958, 0.35231911235422, 0.35310723244504, 0.35350375621308, + + 0.35350314372945, 0.35310108725579, 0.35229454943591, 0.35108179521634, + 0.34946241721522, 0.34743735430290, 0.34500890320420, 0.34218072298001, + 0.33895783229541, 0.33534659943168, 0.33135472505060, 0.32699121776996, + 0.32226636266000, 0.31719168282019, 0.31177989424432, 0.30604485422875, + 0.30000150362379, 0.29366580327088, 0.28705466500775, 0.28018587766131, + 0.27307802848095, 0.26575042049535, 0.25822298630189, 0.25051619882000, + 0.24265097955783, 0.23464860495522, 0.22653061137548, 0.21831869932335, + 0.21003463746705, 0.20170016703857, 0.19333690717811, 0.18496626177620, + 0.17660932835062, 0.16828680947474, 0.16001892724986, 0.15182534128597, + 0.14372507062477, 0.13573642000364, 0.12787691082233, 0.12016321713317, + 0.11261110693234, 0.10523538898282, 0.09804986534955, 0.09106728977263, + 0.08429933194438, 0.07775654768810, 0.07144835495683, 0.06538301547324, + 0.05956762170687, 0.05400808871425, 0.04870915012107, 0.04367435714993, + 0.03890607899172, 0.03440550179663, 0.03017262174627, 0.02620622428513, + 0.02250383492507, 0.01906161305732, 0.01587412848221, 0.01293388032354, + 0.01023019677288, 0.00774641320626, 0.00545109736891, 0.00325868651263, +}; + +static const float short_window2[192] = { + 0.00018861094606, 0.00033433010202, 0.00050309624485, 0.00070306161748, + 0.00093995174533, 0.00121913067128, 0.00154606505568, 0.00192647806126, + 0.00236641248692, 0.00287225985240, 0.00345077377440, 0.00410907465023, + 0.00485464855241, 0.00569534163219, 0.00663935063508, 0.00769520981249, + 0.00887177436246, 0.01017820046395, 0.01162392194150, 0.01321862359335, + 0.01497221122468, 0.01689477844427, 0.01899657030441, 0.02128794388846, + 0.02377932597692, 0.02648116795039, 0.02940389811590, 0.03255787167130, + 0.03595331854986, 0.03960028941437, 0.04350860009563, 0.04768777479454, + 0.05214698838949, 0.05689500821121, 0.06194013566525, 0.06729014809766, + 0.07295224131210, 0.07893297315602, 0.08523820859989, 0.09187306673620, + 0.09884187012422, 0.10614809690222, 0.11379433608064, 0.12178224641797, + 0.13011251926531, 0.13878484574660, 0.14779788861830, 0.15714925912610, + 0.16683549914631, 0.17685206886673, 0.18719334022589, 0.19785259629099, + 0.20882203671372, 0.22009278936030, 0.23165492816694, 0.24349749722585, + 0.25560854105961, 0.26797514099368, 0.28058345748882, 0.29341877824732, + 0.30646557185942, 0.31970754671026, 0.33312771482295, 0.34670846027024, + + 0.36043161174692, 0.37427851885723, 0.38823013163645, 0.40226708279486, + 0.41636977214436, 0.43051845264462, 0.44469331748632, 0.45887458761470, + 0.47304259908636, 0.48717788964798, 0.50126128392546, 0.51527397661778, + 0.52919761310050, 0.54301436685998, 0.55670701320069, 0.57025899869448, + 0.58365450587230, 0.59687851269542, 0.60991684638414, 0.62275623122793, + 0.63538433005035, 0.64778977905593, 0.65996221584264, 0.67189230042379, + 0.68357172916486, 0.69499324160511, 0.70615062019861, 0.71703868307548, + 0.72765326998919, 0.73799122168099, 0.74805035295521, 0.75782941981995, + 0.76732808110520, 0.77654685502339, 0.78548707118622, 0.79415081863423, + 0.80254089047207, 0.81066072573188, 0.81851434910893, 0.82610630922734, + 0.83344161609862, 0.84052567843230, 0.84736424144524, 0.85396332579459, + 0.86032916822973, 0.86646816451999, 0.87238681516918, 0.87809167437532, + 0.88358930263537, 0.88888622333073, 0.89398888356256, 0.89890361943564, + 0.90363662591861, 0.90819393133744, 0.91258137648979, 0.91680459830070, + 0.92086901787718, 0.92477983276087, 0.92854201312583, 0.93216030163834, + 0.93563921662343, 0.93898305819384, 0.94219591693690, 0.94528168477979, + + 0.94823843319821, 0.95106834367330, 0.95377776558539, 0.95636718335775, + 0.95883679961479, 0.96118650212341, 0.96341583179195, 0.96552395212906, + 0.96750962060547, 0.96937116231768, 0.97110644638309, 0.97271286544154, + 0.97418731862798, 0.97552619834964, 0.97672538116257, 0.97778022299974, + 0.97868555895586, 0.97943570778357, 0.98002448120255, 0.98044519806866, + 0.98069070339493, 0.98075339216123, 0.98062523779637, 0.98029782516478, + 0.97976238784222, 0.97900984942031, 0.97803086854002, 0.97681588731895, + 0.97535518280755, 0.97363892108474, 0.97165721358452, 0.96940017523145, + 0.96685798395452, 0.96402094114589, 0.96087953263194, 0.95742448973047, + 0.95364684997699, 0.94953801711660, 0.94508981997396, 0.94029456983253, + 0.93514511597504, 0.92963489905951, 0.92375800202883, 0.91750919827624, + 0.91088399681406, 0.90387868421832, 0.89649036314692, 0.88871698725397, + 0.88055739234735, 0.87201132366062, 0.86307945913336, 0.85376342861693, + 0.84406582894455, 0.83399023482637, 0.82354120554757, 0.81272428745995, + 0.80154601230457, 0.79001389138101, 0.77813640562199, 0.76592299164227, + 0.75338402384395, 0.74053079267526, 0.72737547915460, 0.71393112578527, +}; + +static const float short_window3[64] = { + 0.00326887936450, 0.00550242900936, 0.00786846643791, 0.01045683453520, + 0.01330402120132, 0.01643221072863, 0.01985798040609, 0.02359509464766, + 0.02765559221954, 0.03205025893128, 0.03678884369614, 0.04188015679495, + 0.04733210987781, 0.05315172583924, 0.05934513287609, 0.06591755045290, + 0.07287327156378, 0.08021564389822, 0.08794705152307, 0.09606889811179, + 0.10458159240070, 0.11348453632940, 0.12277611617809, 0.13245369691511, + 0.14251361989876, 0.15295120402567, 0.16376075037904, 0.17493555039885, + 0.18646789757072, 0.19834910260891, 0.21056951208995, 0.22311853047787, + 0.23598464546683, 0.24915545655419, 0.26261770674500, 0.27635731727778, + 0.29035942525136, 0.30460842402318, 0.31908800624032, 0.33378120935681, + 0.34867046348260, 0.36373764140285, 0.37896411059909, 0.39433078709788, + 0.40981819096657, 0.42540650327031, 0.44107562429959, 0.45680523287270, + 0.47257484651351, 0.48836388230077, 0.50415171818214, 0.51991775454258, + 0.53564147581496, 0.55130251191887, 0.56688069931047, 0.58235614142007, + 0.59770926827271, 0.61292089506118, 0.62797227945823, 0.64284517745255, + 0.65752189749349, 0.67198535273209, 0.68621911114984, 0.70020744337099, +}; + +static const uint8_t dc_code_tab[5] = { 0, 0, 0, 1, 1 }; + +static const uint8_t ht_code_tab[5] = { 0, 0, 1, 2, 2 }; + +static const uint8_t band_ofs_tab[3][4] = { + { 12, 8, 4, 0 }, { 14, 10, 6, 0 }, { 12, 8, 4, 0 } +}; + +static const uint8_t band_low_tab[3] = { 9, 17, 24 }; + +static const uint16_t fast_gain_tab[8] = { + 128, 256, 384, 512, 640, 768, 896, 1024 +}; + +static const uint16_t slow_decay_tab[2][2] = { { 27, -1 }, { 32, 21 } }; + +static const uint16_t misc_decay_tab[3][2][2] = { + { { 354, -1 }, { 425, 425 } }, + { { 266, -1 }, { 320, -1 } }, + { { 213, -1 }, { 256, -1 } } +}; + +static const uint16_t fast_decay_tab[3][2][2][50] = { + {{{ + 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, + 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, + 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, + 142, 142, 142, 142, 142, 142, 142, 142, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + }}, {{ + 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, + 170, 170, 170, 170, 170, 170, 170, 170, + }, { + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + }}}, {{{ + 266, 266, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, + }}, {{ + 319, 319, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, + }}}, {{{ + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + }}, {{ + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + }}} +}; + +static const uint16_t fast_gain_adj_tab[3][2][62] = { + {{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 4, 7, 11, 16, 29, 44, 59, + 76, 94, 116, 142, 179, 221, 252, 285, 312, 334, + }, { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 2, 5, 8, 10, 15, 28, 42, 57, 75, 93, + 115, 140, 177, 219, 247, 280, 308, 330, 427, 533, + }}, {{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 5, 8, 12, 21, 35, 51, 69, 89, + 111, 138, 176, 220, 251, 284, 312, 334, + }, { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, + 5, 8, 11, 18, 33, 49, 65, 84, 106, 132, + 168, 214, 245, 279, 308, 329, 427, 533, + }}, {{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 4, 7, 10, 17, + 31, 47, 65, 84, 107, 134, 171, 215, 250, 283, + 312, 334, + }, { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 6, 9, 13, 27, 43, + 60, 79, 100, 126, 160, 207, 242, 276, 307, 329, + 427, 533, + }} +}; + +static const uint16_t slow_gain_tab[3][2][50] = { + {{ + 3072, 3072, 3072, 3072, 3072, 3072, 1063, 1063, 1063, 1063, + 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, + 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, + 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, + }, { + 3072, 3072, 3072, 3072, 3072, 3072, 850, 850, 850, 850, + 850, 850, 850, 850, 850, 850, 850, 850, 850, 850, + 850, 850, 850, 850, 850, 850, 850, 850, 850, 850, + 850, 850, 850, 850, 850, 850, 850, 850, + }}, {{ + 3072, 1212, 1212, 1212, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, + }}, {{ + 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, + }, { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + }} +}; + +static const uint16_t hearing_thresh_tab[3][3][50] = { + {{ + 1403, 1141, 1000, 959, 948, 957, 946, 925, 899, 871, + 843, 815, 789, 766, 745, 727, 705, 687, 681, 686, + 701, 725, 768, 854, 940, 1018, 1075, 1103, 1111, 1106, + 1098, 1105, 1142, 1237, 1419, 1721, 2169, 2805, + }, { + 1401, 1130, 995, 957, 947, 955, 941, 918, 890, 861, + 831, 803, 777, 754, 734, 717, 698, 684, 682, 692, + 712, 743, 798, 894, 976, 1045, 1091, 1109, 1110, 1102, + 1098, 1116, 1174, 1300, 1526, 1884, 2401, 3072, + }, { + 1393, 1086, 974, 949, 957, 941, 913, 878, 843, 808, + 777, 750, 727, 708, 695, 686, 681, 689, 714, 752, + 811, 888, 971, 1044, 1087, 1108, 1110, 1102, 1098, 1115, + 1172, 1290, 1489, 1812, 2293, 2964, 3072, 3072, + }}, {{ + 1412, 1343, 1141, 1047, 1000, 974, 959, 951, 948, 947, + 957, 953, 946, 936, 925, 906, 878, 850, 822, 795, + 771, 745, 719, 700, 687, 681, 685, 701, 733, 784, + 885, 977, 1047, 1092, 1110, 1108, 1099, 1102, 1138, 1233, + 1413, 1711, 2157, 2797, + }, { + 1412, 1336, 1130, 1040, 995, 970, 957, 950, 947, 947, + 955, 950, 941, 930, 918, 897, 868, 838, 810, 783, + 759, 734, 710, 693, 684, 681, 690, 712, 752, 823, + 924, 1009, 1069, 1102, 1111, 1104, 1098, 1111, 1168, 1295, + 1518, 1873, 2388, 3072, + }, { + 1411, 1293, 1086, 1009, 974, 957, 949, 947, 957, 951, + 941, 928, 913, 896, 878, 852, 817, 785, 756, 732, + 713, 695, 683, 682, 689, 710, 746, 811, 906, 992, + 1061, 1099, 1111, 1106, 1098, 1107, 1155, 1266, 1471, 1799, + 2277, 2945, 3072, 3072, + }}, {{ + 1431, 1412, 1403, 1379, 1343, 1293, 1229, 1180, 1125, 1075, + 1040, 1014, 996, 979, 965, 957, 951, 948, 947, 957, + 951, 940, 924, 903, 877, 846, 815, 785, 753, 725, + 702, 686, 681, 689, 714, 760, 847, 947, 1028, 1083, + 1108, 1109, 1101, 1100, 1132, 1222, 1402, 1705, 2160, 2803, + }, { + 1431, 1412, 1401, 1375, 1336, 1278, 1215, 1168, 1115, 1066, + 1032, 1008, 991, 975, 962, 954, 950, 947, 947, 955, + 948, 935, 916, 894, 866, 835, 803, 772, 742, 715, + 695, 683, 683, 697, 729, 784, 887, 982, 1054, 1096, + 1111, 1106, 1098, 1107, 1159, 1281, 1505, 1865, 2391, 3072, + }, { + 1427, 1411, 1393, 1353, 1293, 1215, 1160, 1118, 1072, 1031, + 1003, 984, 971, 960, 952, 948, 947, 957, 952, 941, + 924, 902, 876, 847, 815, 781, 750, 723, 700, 685, + 681, 691, 719, 766, 858, 958, 1039, 1089, 1109, 1108, + 1099, 1102, 1141, 1245, 1442, 1766, 2250, 2930, 3072, 3072, + }} +}; + +static const int16_t lwc_gain_tab[11][7] = { + { -21, -197, -271, -466, 32767, 32767, 32767 }, + { -197, -29, -244, -271, -540, 32767, 32767 }, + { -271, -244, -29, -249, -271, -593, 32767 }, + { -466, -271, -249, -29, -251, -271, -632 }, + { -540, -271, -251, -29, -251, -271, -664 }, + { -593, -271, -251, -29, -252, -271, -690 }, + { -632, -271, -252, -29, -252, -271, -711 }, + { -664, -271, -252, -29, -252, -271, -730 }, + { -690, -271, -252, -29, -252, -271, -745 }, + { -711, -271, -252, -29, -253, -271, -759 }, + { -730, -271, -253, -29, -253, -271, -771 }, +}; + +static const int16_t lwc_adj_tab[7] = { + -192, -320, -448, -512, -448, -320, -192, +}; + +static const uint8_t log_add_tab[212] = { + 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 52, 51, 50, + 49, 48, 47, 47, 46, 45, 44, 44, 43, 42, 41, 41, 40, 39, 38, 38, + 37, 36, 36, 35, 35, 34, 33, 33, 32, 32, 31, 30, 30, 29, 29, 28, + 28, 27, 27, 26, 26, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, + 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16, 16, 15, 15, + 15, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, + 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, + 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, + 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 0, 0, +}; + +static const uint8_t bap_tab[64] = { + 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, + 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, + 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, + 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, +}; + +static float mantissa_tab1[17][4]; +static float mantissa_tab2[17][4]; +static float mantissa_tab3[17][4]; +static float exponent_tab[50]; +static float gain_tab[1024]; + +DECLARE_ALIGNED(32, static float, window)[3712]; + #endif diff --git a/libavcodec/dolby_e_parse.c b/libavcodec/dolby_e_parse.c new file mode 100644 index 0000000000..87bfd489a7 --- /dev/null +++ b/libavcodec/dolby_e_parse.c @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2017 foo86 + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "get_bits.h" +#include "put_bits.h" +#include "dolby_e_parse.h" +#include "parser.h" + +static const uint8_t nb_programs_tab[MAX_PROG_CONF + 1] = { + 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 8, 1, 2, 3, 3, 4, 5, 6, 1, 2, 3, 4, 1, 1 +}; + +static const uint8_t nb_channels_tab[MAX_PROG_CONF + 1] = { + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8 +}; + +static int skip_input(DBEContext *s, int nb_words) +{ + if (nb_words > s->input_size) { + return AVERROR_INVALIDDATA; + } + + s->input += nb_words * s->word_bytes; + s->input_size -= nb_words; + return 0; +} + +static int parse_key(DBEContext *s) +{ + if (s->key_present) { + const uint8_t *key = s->input; + int ret = skip_input(s, 1); + if (ret < 0) + return ret; + return AV_RB24(key) >> 24 - s->word_bits; + } + return 0; +} + +static int convert_input(DBEContext *s, int nb_words, int key) +{ + const uint8_t *src = s->input; + uint8_t *dst = s->buffer; + PutBitContext pb; + int i; + + av_assert0(nb_words <= 1024u); + + if (nb_words > s->input_size) { + return AVERROR_INVALIDDATA; + } + + switch (s->word_bits) { + case 16: + for (i = 0; i < nb_words; i++, src += 2, dst += 2) + AV_WB16(dst, AV_RB16(src) ^ key); + break; + case 20: + init_put_bits(&pb, s->buffer, sizeof(s->buffer)); + for (i = 0; i < nb_words; i++, src += 3) + put_bits(&pb, 20, AV_RB24(src) >> 4 ^ key); + flush_put_bits(&pb); + break; + case 24: + for (i = 0; i < nb_words; i++, src += 3, dst += 3) + AV_WB24(dst, AV_RB24(src) ^ key); + break; + default: + av_assert0(0); + } + + return init_get_bits(&s->gb, s->buffer, nb_words * s->word_bits); +} + +int ff_dolby_e_parse_init(DBEContext *s, const uint8_t *buf, int buf_size) +{ + int hdr; + + if (buf_size < 3) + return AVERROR_INVALIDDATA; + + hdr = AV_RB24(buf); + if ((hdr & 0xfffffe) == 0x7888e) { + s->word_bits = 24; + } else if ((hdr & 0xffffe0) == 0x788e0) { + s->word_bits = 20; + } else if ((hdr & 0xfffe00) == 0x78e00) { + s->word_bits = 16; + } else { + if (s->avctx) + av_log(s->avctx, AV_LOG_ERROR, "Invalid frame header\n"); + return AVERROR_INVALIDDATA; + } + + s->word_bytes = s->word_bits + 7 >> 3; + s->input = buf + s->word_bytes; + s->input_size = buf_size / s->word_bytes - 1; + s->key_present = hdr >> 24 - s->word_bits & 1; + + return 0; +} + +int ff_dolby_e_parse_header(DBEContext *s, DolbyEHeaderInfo *hdr) +{ + int i, ret, key, mtd_size; + + if ((key = parse_key(s)) < 0) + return key; + if ((ret = convert_input(s, 1, key)) < 0) + return ret; + + skip_bits(&s->gb, 4); + mtd_size = get_bits(&s->gb, 10); + if (!mtd_size) { + if (s->avctx) + av_log(s->avctx, AV_LOG_ERROR, "Invalid metadata size\n"); + return AVERROR_INVALIDDATA; + } + + if ((ret = convert_input(s, mtd_size, key)) < 0) + return ret; + + skip_bits(&s->gb, 14); + hdr->prog_conf = get_bits(&s->gb, 6); + if (hdr->prog_conf > MAX_PROG_CONF) { + if (s->avctx) + av_log(s->avctx, AV_LOG_ERROR, "Invalid program configuration\n"); + return AVERROR_INVALIDDATA; + } + + hdr->nb_channels = nb_channels_tab[hdr->prog_conf]; + hdr->nb_programs = nb_programs_tab[hdr->prog_conf]; + + hdr->fr_code = get_bits(&s->gb, 4); + hdr->fr_code_orig = get_bits(&s->gb, 4); + if (!sample_rate_tab[hdr->fr_code] || + !sample_rate_tab[hdr->fr_code_orig]) { + if (s->avctx) + av_log(s->avctx, AV_LOG_ERROR, "Invalid frame rate code\n"); + return AVERROR_INVALIDDATA; + } + + skip_bits_long(&s->gb, 88); + for (i = 0; i < hdr->nb_channels; i++) + hdr->ch_size[i] = get_bits(&s->gb, 10); + hdr->mtd_ext_size = get_bits(&s->gb, 8); + hdr->meter_size = get_bits(&s->gb, 8); + + skip_bits_long(&s->gb, 10 * hdr->nb_programs); + for (i = 0; i < hdr->nb_channels; i++) { + hdr->rev_id[i] = get_bits(&s->gb, 4); + skip_bits1(&s->gb); + hdr->begin_gain[i] = get_bits(&s->gb, 10); + hdr->end_gain[i] = get_bits(&s->gb, 10); + } + + if (get_bits_left(&s->gb) < 0) { + if (s->avctx) + av_log(s->avctx, AV_LOG_ERROR, "Read past end of metadata\n"); + return AVERROR_INVALIDDATA; + } + + return skip_input(s, mtd_size + 1); +} diff --git a/libavcodec/dolby_e_parser_internal.h b/libavcodec/dolby_e_parse.h similarity index 50% rename from libavcodec/dolby_e_parser_internal.h rename to libavcodec/dolby_e_parse.h index defd1f97d6..7c65ecb402 100644 --- a/libavcodec/dolby_e_parser_internal.h +++ b/libavcodec/dolby_e_parse.h @@ -18,11 +18,70 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef AVCODEC_DOLBY_E_PARSER_INTERNAL_H -#define AVCODEC_DOLBY_E_PARSER_INTERNAL_H +#ifndef AVCODEC_DOLBY_E_PARSE_H +#define AVCODEC_DOLBY_E_PARSE_H -#include "dolby_e.h" +#include +#include "get_bits.h" + +#define FRAME_SAMPLES 1792 + +#define MAX_PROG_CONF 23 +#define MAX_PROGRAMS 8 +#define MAX_CHANNELS 8 + +/** + * @struct DBEContext + * Dolby E reading context used by decoder and parser. + */ +typedef struct DBEContext { + void *avctx; + GetBitContext gb; + + const uint8_t *input; + int input_size; + + int word_bits; + int word_bytes; + int key_present; + + uint8_t buffer[1024 * 3 + AV_INPUT_BUFFER_PADDING_SIZE]; +} DBEContext; +/** + * @struct DolbyEHeaderInfo + * Coded Dolby E header values up to end_gain element, plus derived values. + */ +typedef struct DolbyEHeaderInfo { + /** @name Coded elements + * @{ + */ + int prog_conf; + int nb_channels; + int nb_programs; + + int fr_code; + int fr_code_orig; + + int ch_size[MAX_CHANNELS]; + int mtd_ext_size; + int meter_size; + + int rev_id[MAX_CHANNELS]; + int begin_gain[MAX_CHANNELS]; + int end_gain[MAX_CHANNELS]; + /** @} */ + + /** @name Derived values + * @{ + */ + int multi_prog_warned; + /** @} */ +} DolbyEHeaderInfo; + +static const uint16_t sample_rate_tab[16] = { + 0, 42965, 43008, 44800, 53706, 53760 +}; /** * Initialize DBEContext. * Set word_bits/word_bytes, input, input_size, key_present. @@ -42,5 +101,4 @@ int ff_dolby_e_parse_init(DBEContext *s, const uint8_t *buf, int buf_size); */ int ff_dolby_e_parse_header(DBEContext *s, DolbyEHeaderInfo *hdr); - -#endif /* AVCODEC_DOLBY_E_PARSER_INTERNAL_H */ +#endif /* AVCODEC_DOLBY_E_PARSE_H */ diff --git a/libavcodec/dolby_e_parser.c b/libavcodec/dolby_e_parser.c index c85027e94c..4130545585 100644 --- a/libavcodec/dolby_e_parser.c +++ b/libavcodec/dolby_e_parser.c @@ -18,166 +18,17 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include "parser.h" - -#if CONFIG_DOLBY_E_PARSER | CONFIG_DOLBY_E_DECODER - #include "get_bits.h" #include "put_bits.h" -#include "dolby_e_parser.h" -#include "dolby_e_parser_internal.h" - -static int skip_input(DBEContext *s, int nb_words) -{ - if (nb_words > s->input_size) { - return AVERROR_INVALIDDATA; - } - - s->input += nb_words * s->word_bytes; - s->input_size -= nb_words; - return 0; -} - -static int parse_key(DBEContext *s) -{ - if (s->key_present) { - const uint8_t *key = s->input; - int ret = skip_input(s, 1); - if (ret < 0) - return ret; - return AV_RB24(key) >> 24 - s->word_bits; - } - return 0; -} - -static int convert_input(DBEContext *s, int nb_words, int key) -{ - const uint8_t *src = s->input; - uint8_t *dst = s->buffer; - PutBitContext pb; - int i; - - av_assert0(nb_words <= 1024u); - - if (nb_words > s->input_size) { - return AVERROR_INVALIDDATA; - } - - switch (s->word_bits) { - case 16: - for (i = 0; i < nb_words; i++, src += 2, dst += 2) - AV_WB16(dst, AV_RB16(src) ^ key); - break; - case 20: - init_put_bits(&pb, s->buffer, sizeof(s->buffer)); - for (i = 0; i < nb_words; i++, src += 3) - put_bits(&pb, 20, AV_RB24(src) >> 4 ^ key); - flush_put_bits(&pb); - break; - case 24: - for (i = 0; i < nb_words; i++, src += 3, dst += 3) - AV_WB24(dst, AV_RB24(src) ^ key); - break; - default: - av_assert0(0); - } - - return init_get_bits(&s->gb, s->buffer, nb_words * s->word_bits); -} - -int ff_dolby_e_parse_init(DBEContext *s, const uint8_t *buf, int buf_size) -{ - int hdr; - - if (buf_size < 3) - return AVERROR_INVALIDDATA; - - hdr = AV_RB24(buf); - if ((hdr & 0xfffffe) == 0x7888e) { - s->word_bits = 24; - } else if ((hdr & 0xffffe0) == 0x788e0) { - s->word_bits = 20; - } else if ((hdr & 0xfffe00) == 0x78e00) { - s->word_bits = 16; - } else { - if (s->avctx) - av_log(s->avctx, AV_LOG_ERROR, "Invalid frame header\n"); - return AVERROR_INVALIDDATA; - } - - s->word_bytes = s->word_bits + 7 >> 3; - s->input = buf + s->word_bytes; - s->input_size = buf_size / s->word_bytes - 1; - s->key_present = hdr >> 24 - s->word_bits & 1; - - return 0; -} - -int ff_dolby_e_parse_header(DBEContext *s, DolbyEHeaderInfo *hdr) -{ - int i, ret, key, mtd_size; - - if ((key = parse_key(s)) < 0) - return key; - if ((ret = convert_input(s, 1, key)) < 0) - return ret; - - skip_bits(&s->gb, 4); - mtd_size = get_bits(&s->gb, 10); - if (!mtd_size) { - if (s->avctx) - av_log(s->avctx, AV_LOG_ERROR, "Invalid metadata size\n"); - return AVERROR_INVALIDDATA; - } - - if ((ret = convert_input(s, mtd_size, key)) < 0) - return ret; - - skip_bits(&s->gb, 14); - hdr->prog_conf = get_bits(&s->gb, 6); - if (hdr->prog_conf > MAX_PROG_CONF) { - if (s->avctx) - av_log(s->avctx, AV_LOG_ERROR, "Invalid program configuration\n"); - return AVERROR_INVALIDDATA; - } - - hdr->nb_channels = nb_channels_tab[hdr->prog_conf]; - hdr->nb_programs = nb_programs_tab[hdr->prog_conf]; - - hdr->fr_code = get_bits(&s->gb, 4); - hdr->fr_code_orig = get_bits(&s->gb, 4); - if (!sample_rate_tab[hdr->fr_code] || - !sample_rate_tab[hdr->fr_code_orig]) { - if (s->avctx) - av_log(s->avctx, AV_LOG_ERROR, "Invalid frame rate code\n"); - return AVERROR_INVALIDDATA; - } - - skip_bits_long(&s->gb, 88); - for (i = 0; i < hdr->nb_channels; i++) - hdr->ch_size[i] = get_bits(&s->gb, 10); - hdr->mtd_ext_size = get_bits(&s->gb, 8); - hdr->meter_size = get_bits(&s->gb, 8); - - skip_bits_long(&s->gb, 10 * hdr->nb_programs); - for (i = 0; i < hdr->nb_channels; i++) { - hdr->rev_id[i] = get_bits(&s->gb, 4); - skip_bits1(&s->gb); - hdr->begin_gain[i] = get_bits(&s->gb, 10); - hdr->end_gain[i] = get_bits(&s->gb, 10); - } - - if (get_bits_left(&s->gb) < 0) { - if (s->avctx) - av_log(s->avctx, AV_LOG_ERROR, "Read past end of metadata\n"); - return AVERROR_INVALIDDATA; - } +#include "dolby_e_parse.h" +#include "parser.h" - return skip_input(s, mtd_size + 1); -} -#endif /* CONFIG_DOLBY_E_PARSER | CONFIG_DOLBY_E_DECODER */ +typedef struct DBEParseContext { + ParseContext pc; + DBEContext dectx; -#if CONFIG_DOLBY_E_PARSER + DolbyEHeaderInfo metadata; +} DBEParseContext; static int dolby_e_parse(AVCodecParserContext *s2, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, @@ -224,4 +75,3 @@ AVCodecParser ff_dolby_e_parser = { .parser_parse = dolby_e_parse, .parser_close = ff_parse_close, }; -#endif /* CONFIG_DOLBY_E_PARSER */ diff --git a/libavcodec/dolby_e_parser.h b/libavcodec/dolby_e_parser.h deleted file mode 100644 index 2f9a2b2ebb..0000000000 --- a/libavcodec/dolby_e_parser.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2017 foo86 - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_DOLBY_E_PARSER_H -#define AVCODEC_DOLBY_E_PARSER_H - -#include "dolby_e.h" - -typedef struct DBEParseContext { - ParseContext pc; - DBEContext dectx; - - DolbyEHeaderInfo metadata; -} DBEParseContext; - -static const uint8_t nb_programs_tab[MAX_PROG_CONF + 1] = { - 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 8, 1, 2, 3, 3, 4, 5, 6, 1, 2, 3, 4, 1, 1 -}; - -static const uint8_t nb_channels_tab[MAX_PROG_CONF + 1] = { - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8 -}; - -#endif diff --git a/libavcodec/dolby_edec.h b/libavcodec/dolby_edec.h deleted file mode 100644 index 02760bb852..0000000000 --- a/libavcodec/dolby_edec.h +++ /dev/null @@ -1,607 +0,0 @@ -/* - * Copyright (C) 2017 foo86 - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_DOLBY_EDEC_H -#define AVCODEC_DOLBY_EDEC_H - -#include "libavutil/float_dsp.h" -#include "libavutil/libm.h" -#include "libavutil/mem_internal.h" - -#include "internal.h" -#include "get_bits.h" -#include "kbdwin.h" -#include "fft.h" - -#define MAX_SEGMENTS 2 - -#define MAX_GROUPS 8 -#define MAX_EXPONENTS 304 -#define MAX_MANTISSAS 1024 - -#define MAX_MSTR_EXP 2 -#define MAX_BIAS_EXP 50 - -typedef struct DBEGroup { - uint8_t nb_exponent; - uint8_t nb_bias_exp[MAX_MSTR_EXP]; - uint16_t exp_ofs; - uint16_t mnt_ofs; - const uint8_t *nb_mantissa; - uint8_t imdct_idx; - uint8_t imdct_phs; - uint16_t win_len; - uint16_t dst_ofs; - uint16_t win_ofs; - uint16_t src_ofs; -} DBEGroup; - -typedef struct DBEChannel { - int gr_code; - int bw_code; - - int nb_groups; - int nb_mstr_exp; - DBEGroup groups[MAX_GROUPS]; - - int exp_strategy[MAX_GROUPS]; - int exponents[MAX_EXPONENTS]; - int bap[MAX_EXPONENTS]; - int idx[MAX_EXPONENTS]; - - DECLARE_ALIGNED(32, float, mantissas)[MAX_MANTISSAS]; -} DBEChannel; - -typedef struct DBEDecodeContext { - AVCodecContext *avctx; - DBEContext dectx; - - DolbyEHeaderInfo metadata; - - DBEChannel channels[MAX_SEGMENTS][MAX_CHANNELS]; - - DECLARE_ALIGNED(32, float, history)[MAX_CHANNELS][256]; - - FFTContext imdct[3]; - AVFloatDSPContext *fdsp; -} DBEDecodeContext; - -static const int8_t lfe_channel_tab[MAX_PROG_CONF + 1] = { - 5, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 5 -}; - -static const uint8_t ch_reorder_4[4] = { 0, 2, 1, 3 }; -static const uint8_t ch_reorder_6[6] = { 0, 2, 4, 1, 3, 5 }; -static const uint8_t ch_reorder_8[8] = { 0, 2, 6, 4, 1, 3, 7, 5 }; -static const uint8_t ch_reorder_n[8] = { 0, 2, 4, 6, 1, 3, 5, 7 }; - - -static const uint8_t nb_groups_tab[4] = { 1, 8, 7, 1 }; - -static const uint8_t nb_mstr_exp_tab[4] = { 2, 2, 2, 1 }; - -static const uint8_t nb_mantissa_38[38] = { - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, - 7, 8, 9, 10, 11, 12, -}; - -static const uint8_t nb_mantissa_44[44] = { - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, - 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 7, 7, - 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 25, -}; - -static const uint8_t nb_mantissa_50[50] = { - 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, - 3, 4, 4, 5, 5, 6, 6, 7, 8, 9, 9, 10, 12, 13, 14, 16, - 18, 19, 22, 24, 27, 29, 32, 36, 40, 44, 49, 54, 60, 66, 74, 82, - 90, 100, -}; - -static const uint8_t imdct_bits_tab[3] = { 8, 9, 11 }; - -static const DBEGroup grp_tab_0[1] = { - { 50, { 27, 23 }, 0, 0, nb_mantissa_50, 2, 0, 1152, 0, 1408, 0 }, -}; - -static const DBEGroup grp_tab_1[8] = { - { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 0, 192, 0, 256, 0 }, - { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 64, 448, 0 }, - { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 192, 704, 0 }, - { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, - { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, - { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, - { 38, { 12, 26 }, 228, 768, nb_mantissa_38, 0, 1, 256, 704, 0, 0 }, - { 38, { 12, 26 }, 266, 896, nb_mantissa_38, 0, 1, 256, 832, 0, 0 }, -}; - -static const DBEGroup grp_tab_2[7] = { - { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 0, 192, 0, 256, 0 }, - { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 64, 448, 0 }, - { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 192, 704, 0 }, - { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, - { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, - { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, - { 44, { 19, 25 }, 228, 768, nb_mantissa_44, 1, 1, 448, 704, 960, 64 }, -}; - -static const DBEGroup grp_tab_3[1] = { - { 21, { 21 }, 0, 0, nb_mantissa_50, 2, 0, 1152, 0, 1408, 0 }, -}; - -static const DBEGroup grp_tab_4[1] = { - { 50, { 27, 23 }, 0, 0, nb_mantissa_50, 2, 2, 1152, 0, 1408, 896 }, -}; - -static const DBEGroup grp_tab_5[8] = { - { 38, { 12, 26 }, 0, 0, nb_mantissa_38, 0, 1, 256, 64, 0, 0 }, - { 38, { 12, 26 }, 38, 128, nb_mantissa_38, 0, 1, 256, 192, 0, 0 }, - { 38, { 12, 26 }, 76, 256, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, - { 38, { 12, 26 }, 114, 384, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, - { 38, { 12, 26 }, 152, 512, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, - { 38, { 12, 26 }, 190, 640, nb_mantissa_38, 0, 1, 256, 704, 3008, 0 }, - { 38, { 12, 26 }, 228, 768, nb_mantissa_38, 0, 1, 256, 832, 2752, 0 }, - { 38, { 12, 26 }, 266, 896, nb_mantissa_38, 0, 2, 192, 960, 2560, 64 }, -}; - -static const DBEGroup grp_tab_6[7] = { - { 44, { 19, 25 }, 0, 0, nb_mantissa_44, 1, 1, 448, 0, 3264, 0 }, - { 38, { 12, 26 }, 44, 256, nb_mantissa_38, 0, 1, 256, 320, 0, 0 }, - { 38, { 12, 26 }, 82, 384, nb_mantissa_38, 0, 1, 256, 448, 0, 0 }, - { 38, { 12, 26 }, 120, 512, nb_mantissa_38, 0, 1, 256, 576, 0, 0 }, - { 38, { 12, 26 }, 158, 640, nb_mantissa_38, 0, 1, 256, 704, 3008, 0 }, - { 38, { 12, 26 }, 196, 768, nb_mantissa_38, 0, 1, 256, 832, 2752, 0 }, - { 38, { 12, 26 }, 234, 896, nb_mantissa_38, 0, 2, 192, 960, 2560, 64 }, -}; - -static const DBEGroup grp_tab_7[1] = { - { 21, { 21 }, 0, 0, nb_mantissa_50, 2, 2, 1152, 0, 1408, 896 }, -}; - -static const DBEGroup *const frm_ofs_tab[2][4] = { - { grp_tab_0, grp_tab_1, grp_tab_2, grp_tab_3 }, - { grp_tab_4, grp_tab_5, grp_tab_6, grp_tab_7 } -}; - -static const uint8_t mantissa_size1[16][4] = { - { 0, 0, 0, 0 }, { 2, 1, 1, 1 }, { 3, 2, 1, 1 }, { 4, 3, 2, 1 }, - { 5, 4, 3, 2 }, { 6, 5, 4, 3 }, { 7, 6, 5, 4 }, { 8, 7, 6, 5 }, - { 9, 8, 7, 6 }, { 10, 9, 8, 7 }, { 11, 10, 9, 8 }, { 12, 11, 10, 9 }, - { 13, 12, 11, 10 }, { 14, 13, 12, 11 }, { 15, 14, 13, 12 }, { 16, 15, 14, 13 }, -}; - -static const uint8_t mantissa_size2[16][4] = { - { 0, 0, 0, 0 }, { 2, 1, 2, 2 }, { 3, 2, 3, 3 }, { 4, 3, 4, 4 }, - { 5, 4, 5, 5 }, { 6, 5, 6, 6 }, { 7, 6, 7, 7 }, { 8, 7, 8, 8 }, - { 9, 8, 9, 9 }, { 10, 9, 10, 10 }, { 11, 10, 11, 11 }, { 12, 11, 12, 12 }, - { 13, 12, 13, 13 }, { 14, 13, 14, 14 }, { 15, 14, 15, 15 }, { 16, 15, 16, 16 }, -}; - -static const float start_window[192] = { - 0.00161569379826, 0.00185748233347, 0.00198562758548, 0.00207834078104, - 0.00215717748523, 0.00223067096393, 0.00230299213147, 0.00237651215396, - 0.00245275561606, 0.00253281402069, 0.00261754673613, 0.00270768786168, - 0.00280390761895, 0.00290684998656, 0.00301715751161, 0.00313548872798, - 0.00326253122934, 0.00339901215995, 0.00354570716636, 0.00370344845023, - 0.00387313232586, 0.00405572653911, 0.00425227750970, 0.00446391759265, - 0.00469187240551, 0.00493746822816, 0.00520213944619, 0.00548743597507, - 0.00579503056737, 0.00612672586953, 0.00648446105606, 0.00687031782873, - 0.00728652552677, 0.00773546505205, 0.00821967127415, 0.00874183354619, - 0.00930479393832, 0.00991154278653, 0.01056521116692, 0.01126905994567, - 0.01202646513050, 0.01284089936559, 0.01371590957417, 0.01465509096066, - 0.01566205783408, 0.01674041199523, 0.01789370972358, 0.01912542867865, - 0.02043893626265, 0.02183746113793, 0.02332406961796, 0.02490164852364, - 0.02657289580178, 0.02834031974193, 0.03020624702903, 0.03217283918354, - 0.03424211623810, 0.03641598586180, 0.03869627565015, 0.04108476601498, - 0.04358322107390, 0.04619341515939, 0.04891715301882, 0.05175628239149, - - 0.05471237327267, 0.05778734733755, 0.06098291402413, 0.06430101352084, - 0.06774345212186, 0.07131188644726, 0.07500780649199, 0.07883251748595, - 0.08278712056651, 0.08687249228061, 0.09108926295730, 0.09543779401074, - 0.09991815425851, 0.10453009536427, 0.10927302653894, 0.11414598865987, - 0.11914762799220, 0.12427616972097, 0.12952939152560, 0.13490459744934, - 0.14039859233595, 0.14600765712201, 0.15172752528722, 0.15755336077528, - 0.16347973770491, 0.16950062219342, 0.17560935661442, 0.18179864660619, - 0.18806055113821, 0.19438647593012, 0.20076717050010, 0.20719272909882, - 0.21365259576030, 0.22013557367283, 0.22662983904194, 0.23312295958328, - 0.23960191774666, 0.24605313873388, 0.25246252333253, 0.25881548554631, - 0.26509699495987, 0.27129162373316, 0.27738359807707, 0.28335685401987, - 0.28919509723179, 0.29488186663467, 0.30040060148455, 0.30573471157819, - 0.31086765019993, 0.31578298939317, 0.32046449711227, 0.32489621578468, - 0.32906254179156, 0.33294830535654, 0.33653885031840, 0.33982011325336, - 0.34277870140679, 0.34540196889300, 0.34767809062480, 0.34959613344194, - 0.35114612391958, 0.35231911235422, 0.35310723244504, 0.35350375621308, - - 0.35350314372945, 0.35310108725579, 0.35229454943591, 0.35108179521634, - 0.34946241721522, 0.34743735430290, 0.34500890320420, 0.34218072298001, - 0.33895783229541, 0.33534659943168, 0.33135472505060, 0.32699121776996, - 0.32226636266000, 0.31719168282019, 0.31177989424432, 0.30604485422875, - 0.30000150362379, 0.29366580327088, 0.28705466500775, 0.28018587766131, - 0.27307802848095, 0.26575042049535, 0.25822298630189, 0.25051619882000, - 0.24265097955783, 0.23464860495522, 0.22653061137548, 0.21831869932335, - 0.21003463746705, 0.20170016703857, 0.19333690717811, 0.18496626177620, - 0.17660932835062, 0.16828680947474, 0.16001892724986, 0.15182534128597, - 0.14372507062477, 0.13573642000364, 0.12787691082233, 0.12016321713317, - 0.11261110693234, 0.10523538898282, 0.09804986534955, 0.09106728977263, - 0.08429933194438, 0.07775654768810, 0.07144835495683, 0.06538301547324, - 0.05956762170687, 0.05400808871425, 0.04870915012107, 0.04367435714993, - 0.03890607899172, 0.03440550179663, 0.03017262174627, 0.02620622428513, - 0.02250383492507, 0.01906161305732, 0.01587412848221, 0.01293388032354, - 0.01023019677288, 0.00774641320626, 0.00545109736891, 0.00325868651263, -}; - -static const float short_window2[192] = { - 0.00018861094606, 0.00033433010202, 0.00050309624485, 0.00070306161748, - 0.00093995174533, 0.00121913067128, 0.00154606505568, 0.00192647806126, - 0.00236641248692, 0.00287225985240, 0.00345077377440, 0.00410907465023, - 0.00485464855241, 0.00569534163219, 0.00663935063508, 0.00769520981249, - 0.00887177436246, 0.01017820046395, 0.01162392194150, 0.01321862359335, - 0.01497221122468, 0.01689477844427, 0.01899657030441, 0.02128794388846, - 0.02377932597692, 0.02648116795039, 0.02940389811590, 0.03255787167130, - 0.03595331854986, 0.03960028941437, 0.04350860009563, 0.04768777479454, - 0.05214698838949, 0.05689500821121, 0.06194013566525, 0.06729014809766, - 0.07295224131210, 0.07893297315602, 0.08523820859989, 0.09187306673620, - 0.09884187012422, 0.10614809690222, 0.11379433608064, 0.12178224641797, - 0.13011251926531, 0.13878484574660, 0.14779788861830, 0.15714925912610, - 0.16683549914631, 0.17685206886673, 0.18719334022589, 0.19785259629099, - 0.20882203671372, 0.22009278936030, 0.23165492816694, 0.24349749722585, - 0.25560854105961, 0.26797514099368, 0.28058345748882, 0.29341877824732, - 0.30646557185942, 0.31970754671026, 0.33312771482295, 0.34670846027024, - - 0.36043161174692, 0.37427851885723, 0.38823013163645, 0.40226708279486, - 0.41636977214436, 0.43051845264462, 0.44469331748632, 0.45887458761470, - 0.47304259908636, 0.48717788964798, 0.50126128392546, 0.51527397661778, - 0.52919761310050, 0.54301436685998, 0.55670701320069, 0.57025899869448, - 0.58365450587230, 0.59687851269542, 0.60991684638414, 0.62275623122793, - 0.63538433005035, 0.64778977905593, 0.65996221584264, 0.67189230042379, - 0.68357172916486, 0.69499324160511, 0.70615062019861, 0.71703868307548, - 0.72765326998919, 0.73799122168099, 0.74805035295521, 0.75782941981995, - 0.76732808110520, 0.77654685502339, 0.78548707118622, 0.79415081863423, - 0.80254089047207, 0.81066072573188, 0.81851434910893, 0.82610630922734, - 0.83344161609862, 0.84052567843230, 0.84736424144524, 0.85396332579459, - 0.86032916822973, 0.86646816451999, 0.87238681516918, 0.87809167437532, - 0.88358930263537, 0.88888622333073, 0.89398888356256, 0.89890361943564, - 0.90363662591861, 0.90819393133744, 0.91258137648979, 0.91680459830070, - 0.92086901787718, 0.92477983276087, 0.92854201312583, 0.93216030163834, - 0.93563921662343, 0.93898305819384, 0.94219591693690, 0.94528168477979, - - 0.94823843319821, 0.95106834367330, 0.95377776558539, 0.95636718335775, - 0.95883679961479, 0.96118650212341, 0.96341583179195, 0.96552395212906, - 0.96750962060547, 0.96937116231768, 0.97110644638309, 0.97271286544154, - 0.97418731862798, 0.97552619834964, 0.97672538116257, 0.97778022299974, - 0.97868555895586, 0.97943570778357, 0.98002448120255, 0.98044519806866, - 0.98069070339493, 0.98075339216123, 0.98062523779637, 0.98029782516478, - 0.97976238784222, 0.97900984942031, 0.97803086854002, 0.97681588731895, - 0.97535518280755, 0.97363892108474, 0.97165721358452, 0.96940017523145, - 0.96685798395452, 0.96402094114589, 0.96087953263194, 0.95742448973047, - 0.95364684997699, 0.94953801711660, 0.94508981997396, 0.94029456983253, - 0.93514511597504, 0.92963489905951, 0.92375800202883, 0.91750919827624, - 0.91088399681406, 0.90387868421832, 0.89649036314692, 0.88871698725397, - 0.88055739234735, 0.87201132366062, 0.86307945913336, 0.85376342861693, - 0.84406582894455, 0.83399023482637, 0.82354120554757, 0.81272428745995, - 0.80154601230457, 0.79001389138101, 0.77813640562199, 0.76592299164227, - 0.75338402384395, 0.74053079267526, 0.72737547915460, 0.71393112578527, -}; - -static const float short_window3[64] = { - 0.00326887936450, 0.00550242900936, 0.00786846643791, 0.01045683453520, - 0.01330402120132, 0.01643221072863, 0.01985798040609, 0.02359509464766, - 0.02765559221954, 0.03205025893128, 0.03678884369614, 0.04188015679495, - 0.04733210987781, 0.05315172583924, 0.05934513287609, 0.06591755045290, - 0.07287327156378, 0.08021564389822, 0.08794705152307, 0.09606889811179, - 0.10458159240070, 0.11348453632940, 0.12277611617809, 0.13245369691511, - 0.14251361989876, 0.15295120402567, 0.16376075037904, 0.17493555039885, - 0.18646789757072, 0.19834910260891, 0.21056951208995, 0.22311853047787, - 0.23598464546683, 0.24915545655419, 0.26261770674500, 0.27635731727778, - 0.29035942525136, 0.30460842402318, 0.31908800624032, 0.33378120935681, - 0.34867046348260, 0.36373764140285, 0.37896411059909, 0.39433078709788, - 0.40981819096657, 0.42540650327031, 0.44107562429959, 0.45680523287270, - 0.47257484651351, 0.48836388230077, 0.50415171818214, 0.51991775454258, - 0.53564147581496, 0.55130251191887, 0.56688069931047, 0.58235614142007, - 0.59770926827271, 0.61292089506118, 0.62797227945823, 0.64284517745255, - 0.65752189749349, 0.67198535273209, 0.68621911114984, 0.70020744337099, -}; - -static const uint8_t dc_code_tab[5] = { 0, 0, 0, 1, 1 }; - -static const uint8_t ht_code_tab[5] = { 0, 0, 1, 2, 2 }; - -static const uint8_t band_ofs_tab[3][4] = { - { 12, 8, 4, 0 }, { 14, 10, 6, 0 }, { 12, 8, 4, 0 } -}; - -static const uint8_t band_low_tab[3] = { 9, 17, 24 }; - -static const uint16_t fast_gain_tab[8] = { - 128, 256, 384, 512, 640, 768, 896, 1024 -}; - -static const uint16_t slow_decay_tab[2][2] = { { 27, -1 }, { 32, 21 } }; - -static const uint16_t misc_decay_tab[3][2][2] = { - { { 354, -1 }, { 425, 425 } }, - { { 266, -1 }, { 320, -1 } }, - { { 213, -1 }, { 256, -1 } } -}; - -static const uint16_t fast_decay_tab[3][2][2][50] = { - {{{ - 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, - 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, - 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, - 142, 142, 142, 142, 142, 142, 142, 142, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - }}, {{ - 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, - 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, - 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, - 170, 170, 170, 170, 170, 170, 170, 170, - }, { - 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, - }}}, {{{ - 266, 266, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, - }}, {{ - 319, 319, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, - }}}, {{{ - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - }}, {{ - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - }}} -}; - -static const uint16_t fast_gain_adj_tab[3][2][62] = { - {{ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 1, 2, 4, 7, 11, 16, 29, 44, 59, - 76, 94, 116, 142, 179, 221, 252, 285, 312, 334, - }, { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 2, 5, 8, 10, 15, 28, 42, 57, 75, 93, - 115, 140, 177, 219, 247, 280, 308, 330, 427, 533, - }}, {{ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 2, 5, 8, 12, 21, 35, 51, 69, 89, - 111, 138, 176, 220, 251, 284, 312, 334, - }, { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, - 5, 8, 11, 18, 33, 49, 65, 84, 106, 132, - 168, 214, 245, 279, 308, 329, 427, 533, - }}, {{ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 1, 4, 7, 10, 17, - 31, 47, 65, 84, 107, 134, 171, 215, 250, 283, - 312, 334, - }, { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 3, 6, 9, 13, 27, 43, - 60, 79, 100, 126, 160, 207, 242, 276, 307, 329, - 427, 533, - }} -}; - -static const uint16_t slow_gain_tab[3][2][50] = { - {{ - 3072, 3072, 3072, 3072, 3072, 3072, 1063, 1063, 1063, 1063, - 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, - 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, - 1063, 1063, 1063, 1063, 1063, 1063, 1063, 1063, - }, { - 3072, 3072, 3072, 3072, 3072, 3072, 850, 850, 850, 850, - 850, 850, 850, 850, 850, 850, 850, 850, 850, 850, - 850, 850, 850, 850, 850, 850, 850, 850, 850, 850, - 850, 850, 850, 850, 850, 850, 850, 850, - }}, {{ - 3072, 1212, 1212, 1212, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, - }}, {{ - 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, 3072, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - 999, 999, 999, 999, 999, 999, 999, 999, 999, 999, - }, { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - }} -}; - -static const uint16_t hearing_thresh_tab[3][3][50] = { - {{ - 1403, 1141, 1000, 959, 948, 957, 946, 925, 899, 871, - 843, 815, 789, 766, 745, 727, 705, 687, 681, 686, - 701, 725, 768, 854, 940, 1018, 1075, 1103, 1111, 1106, - 1098, 1105, 1142, 1237, 1419, 1721, 2169, 2805, - }, { - 1401, 1130, 995, 957, 947, 955, 941, 918, 890, 861, - 831, 803, 777, 754, 734, 717, 698, 684, 682, 692, - 712, 743, 798, 894, 976, 1045, 1091, 1109, 1110, 1102, - 1098, 1116, 1174, 1300, 1526, 1884, 2401, 3072, - }, { - 1393, 1086, 974, 949, 957, 941, 913, 878, 843, 808, - 777, 750, 727, 708, 695, 686, 681, 689, 714, 752, - 811, 888, 971, 1044, 1087, 1108, 1110, 1102, 1098, 1115, - 1172, 1290, 1489, 1812, 2293, 2964, 3072, 3072, - }}, {{ - 1412, 1343, 1141, 1047, 1000, 974, 959, 951, 948, 947, - 957, 953, 946, 936, 925, 906, 878, 850, 822, 795, - 771, 745, 719, 700, 687, 681, 685, 701, 733, 784, - 885, 977, 1047, 1092, 1110, 1108, 1099, 1102, 1138, 1233, - 1413, 1711, 2157, 2797, - }, { - 1412, 1336, 1130, 1040, 995, 970, 957, 950, 947, 947, - 955, 950, 941, 930, 918, 897, 868, 838, 810, 783, - 759, 734, 710, 693, 684, 681, 690, 712, 752, 823, - 924, 1009, 1069, 1102, 1111, 1104, 1098, 1111, 1168, 1295, - 1518, 1873, 2388, 3072, - }, { - 1411, 1293, 1086, 1009, 974, 957, 949, 947, 957, 951, - 941, 928, 913, 896, 878, 852, 817, 785, 756, 732, - 713, 695, 683, 682, 689, 710, 746, 811, 906, 992, - 1061, 1099, 1111, 1106, 1098, 1107, 1155, 1266, 1471, 1799, - 2277, 2945, 3072, 3072, - }}, {{ - 1431, 1412, 1403, 1379, 1343, 1293, 1229, 1180, 1125, 1075, - 1040, 1014, 996, 979, 965, 957, 951, 948, 947, 957, - 951, 940, 924, 903, 877, 846, 815, 785, 753, 725, - 702, 686, 681, 689, 714, 760, 847, 947, 1028, 1083, - 1108, 1109, 1101, 1100, 1132, 1222, 1402, 1705, 2160, 2803, - }, { - 1431, 1412, 1401, 1375, 1336, 1278, 1215, 1168, 1115, 1066, - 1032, 1008, 991, 975, 962, 954, 950, 947, 947, 955, - 948, 935, 916, 894, 866, 835, 803, 772, 742, 715, - 695, 683, 683, 697, 729, 784, 887, 982, 1054, 1096, - 1111, 1106, 1098, 1107, 1159, 1281, 1505, 1865, 2391, 3072, - }, { - 1427, 1411, 1393, 1353, 1293, 1215, 1160, 1118, 1072, 1031, - 1003, 984, 971, 960, 952, 948, 947, 957, 952, 941, - 924, 902, 876, 847, 815, 781, 750, 723, 700, 685, - 681, 691, 719, 766, 858, 958, 1039, 1089, 1109, 1108, - 1099, 1102, 1141, 1245, 1442, 1766, 2250, 2930, 3072, 3072, - }} -}; - -static const int16_t lwc_gain_tab[11][7] = { - { -21, -197, -271, -466, 32767, 32767, 32767 }, - { -197, -29, -244, -271, -540, 32767, 32767 }, - { -271, -244, -29, -249, -271, -593, 32767 }, - { -466, -271, -249, -29, -251, -271, -632 }, - { -540, -271, -251, -29, -251, -271, -664 }, - { -593, -271, -251, -29, -252, -271, -690 }, - { -632, -271, -252, -29, -252, -271, -711 }, - { -664, -271, -252, -29, -252, -271, -730 }, - { -690, -271, -252, -29, -252, -271, -745 }, - { -711, -271, -252, -29, -253, -271, -759 }, - { -730, -271, -253, -29, -253, -271, -771 }, -}; - -static const int16_t lwc_adj_tab[7] = { - -192, -320, -448, -512, -448, -320, -192, -}; - -static const uint8_t log_add_tab[212] = { - 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 52, 51, 50, - 49, 48, 47, 47, 46, 45, 44, 44, 43, 42, 41, 41, 40, 39, 38, 38, - 37, 36, 36, 35, 35, 34, 33, 33, 32, 32, 31, 30, 30, 29, 29, 28, - 28, 27, 27, 26, 26, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, - 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16, 16, 15, 15, - 15, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, - 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, - 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, - 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 0, 0, -}; - -static const uint8_t bap_tab[64] = { - 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, - 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, - 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, - 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, -}; - -static float mantissa_tab1[17][4]; -static float mantissa_tab2[17][4]; -static float mantissa_tab3[17][4]; -static float exponent_tab[50]; -static float gain_tab[1024]; - -DECLARE_ALIGNED(32, static float, window)[3712]; - -#endif