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Diffstat (limited to 'src/libspeex/modes.c')
-rw-r--r-- | src/libspeex/modes.c | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/src/libspeex/modes.c b/src/libspeex/modes.c deleted file mode 100644 index 33e031e0..00000000 --- a/src/libspeex/modes.c +++ /dev/null @@ -1,362 +0,0 @@ -/* Copyright (C) 2002-2006 Jean-Marc Valin - File: modes.c - - Describes the different modes of the codec - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - - Neither the name of the Xiph.org Foundation nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION 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 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "modes.h" -#include "ltp.h" -#include "quant_lsp.h" -#include "cb_search.h" -#include "sb_celp.h" -#include "nb_celp.h" -#include "vbr.h" -#include "arch.h" -#include <math.h> - -#ifndef NULL -#define NULL 0 -#endif - - -/* Extern declarations for all codebooks we use here */ -extern const signed char gain_cdbk_nb[]; -extern const signed char gain_cdbk_lbr[]; -extern const signed char exc_5_256_table[]; -extern const signed char exc_5_64_table[]; -extern const signed char exc_8_128_table[]; -extern const signed char exc_10_32_table[]; -extern const signed char exc_10_16_table[]; -extern const signed char exc_20_32_table[]; - - -/* Parameters for Long-Term Prediction (LTP)*/ -static const ltp_params ltp_params_nb = { - gain_cdbk_nb, - 7, - 7 -}; - -/* Parameters for Long-Term Prediction (LTP)*/ -static const ltp_params ltp_params_vlbr = { - gain_cdbk_lbr, - 5, - 0 -}; - -/* Parameters for Long-Term Prediction (LTP)*/ -static const ltp_params ltp_params_lbr = { - gain_cdbk_lbr, - 5, - 7 -}; - -/* Parameters for Long-Term Prediction (LTP)*/ -static const ltp_params ltp_params_med = { - gain_cdbk_lbr, - 5, - 7 -}; - -/* Split-VQ innovation parameters for very low bit-rate narrowband */ -static const split_cb_params split_cb_nb_vlbr = { - 10, /*subvect_size*/ - 4, /*nb_subvect*/ - exc_10_16_table, /*shape_cb*/ - 4, /*shape_bits*/ - 0, -}; - -/* Split-VQ innovation parameters for very low bit-rate narrowband */ -static const split_cb_params split_cb_nb_ulbr = { - 20, /*subvect_size*/ - 2, /*nb_subvect*/ - exc_20_32_table, /*shape_cb*/ - 5, /*shape_bits*/ - 0, -}; - -/* Split-VQ innovation parameters for low bit-rate narrowband */ -static const split_cb_params split_cb_nb_lbr = { - 10, /*subvect_size*/ - 4, /*nb_subvect*/ - exc_10_32_table, /*shape_cb*/ - 5, /*shape_bits*/ - 0, -}; - - -/* Split-VQ innovation parameters narrowband */ -static const split_cb_params split_cb_nb = { - 5, /*subvect_size*/ - 8, /*nb_subvect*/ - exc_5_64_table, /*shape_cb*/ - 6, /*shape_bits*/ - 0, -}; - -/* Split-VQ innovation parameters narrowband */ -static const split_cb_params split_cb_nb_med = { - 8, /*subvect_size*/ - 5, /*nb_subvect*/ - exc_8_128_table, /*shape_cb*/ - 7, /*shape_bits*/ - 0, -}; - -/* Split-VQ innovation for low-band wideband */ -static const split_cb_params split_cb_sb = { - 5, /*subvect_size*/ - 8, /*nb_subvect*/ - exc_5_256_table, /*shape_cb*/ - 8, /*shape_bits*/ - 0, -}; - - - -/* 2150 bps "vocoder-like" mode for comfort noise */ -static const SpeexSubmode nb_submode1 = { - 0, - 1, - 0, - 0, - /* LSP quantization */ - lsp_quant_lbr, - lsp_unquant_lbr, - /* No pitch quantization */ - forced_pitch_quant, - forced_pitch_unquant, - NULL, - /* No innovation quantization (noise only) */ - noise_codebook_quant, - noise_codebook_unquant, - NULL, - -1, - 43 -}; - -/* 3.95 kbps very low bit-rate mode */ -static const SpeexSubmode nb_submode8 = { - 0, - 1, - 0, - 0, - /*LSP quantization*/ - lsp_quant_lbr, - lsp_unquant_lbr, - /*No pitch quantization*/ - forced_pitch_quant, - forced_pitch_unquant, - NULL, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb_ulbr, - QCONST16(.5,15), - 79 -}; - -/* 5.95 kbps very low bit-rate mode */ -static const SpeexSubmode nb_submode2 = { - 0, - 0, - 0, - 0, - /*LSP quantization*/ - lsp_quant_lbr, - lsp_unquant_lbr, - /*No pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_vlbr, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb_vlbr, - QCONST16(.6,15), - 119 -}; - -/* 8 kbps low bit-rate mode */ -static const SpeexSubmode nb_submode3 = { - -1, - 0, - 1, - 0, - /*LSP quantization*/ - lsp_quant_lbr, - lsp_unquant_lbr, - /*Pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_lbr, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb_lbr, - QCONST16(.55,15), - 160 -}; - -/* 11 kbps medium bit-rate mode */ -static const SpeexSubmode nb_submode4 = { - -1, - 0, - 1, - 0, - /*LSP quantization*/ - lsp_quant_lbr, - lsp_unquant_lbr, - /*Pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_med, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb_med, - QCONST16(.45,15), - 220 -}; - -/* 15 kbps high bit-rate mode */ -static const SpeexSubmode nb_submode5 = { - -1, - 0, - 3, - 0, - /*LSP quantization*/ - lsp_quant_nb, - lsp_unquant_nb, - /*Pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_nb, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb, - QCONST16(.3,15), - 300 -}; - -/* 18.2 high bit-rate mode */ -static const SpeexSubmode nb_submode6 = { - -1, - 0, - 3, - 0, - /*LSP quantization*/ - lsp_quant_nb, - lsp_unquant_nb, - /*Pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_nb, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_sb, - QCONST16(.2,15), - 364 -}; - -/* 24.6 kbps high bit-rate mode */ -static const SpeexSubmode nb_submode7 = { - -1, - 0, - 3, - 1, - /*LSP quantization*/ - lsp_quant_nb, - lsp_unquant_nb, - /*Pitch quantization*/ - pitch_search_3tap, - pitch_unquant_3tap, - <p_params_nb, - /*Innovation quantization*/ - split_cb_search_shape_sign, - split_cb_shape_sign_unquant, - &split_cb_nb, - QCONST16(.1,15), - 492 -}; - - -/* Default mode for narrowband */ -static const SpeexNBMode nb_mode = { - 160, /*frameSize*/ - 40, /*subframeSize*/ - 10, /*lpcSize*/ - 17, /*pitchStart*/ - 144, /*pitchEnd*/ -#ifdef FIXED_POINT - 29491, 19661, /* gamma1, gamma2 */ -#else - 0.9, 0.6, /* gamma1, gamma2 */ -#endif - QCONST16(.0002,15), /*lpc_floor*/ - {NULL, &nb_submode1, &nb_submode2, &nb_submode3, &nb_submode4, &nb_submode5, &nb_submode6, &nb_submode7, - &nb_submode8, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, - 5, - {1, 8, 2, 3, 3, 4, 4, 5, 5, 6, 7} -}; - - -/* Default mode for narrowband */ -const SpeexMode speex_nb_mode = { - &nb_mode, - nb_mode_query, - "narrowband", - 0, - 4, - &nb_encoder_init, - &nb_encoder_destroy, - &nb_encode, - &nb_decoder_init, - &nb_decoder_destroy, - &nb_decode, - &nb_encoder_ctl, - &nb_decoder_ctl, -}; - - - -int speex_mode_query(const SpeexMode *mode, int request, void *ptr) -{ - return mode->query(mode->mode, request, ptr); -} - |