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Diffstat (limited to 'drivers/speex/modes.h')
| -rw-r--r-- | drivers/speex/modes.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/drivers/speex/modes.h b/drivers/speex/modes.h deleted file mode 100644 index 26e2d86180..0000000000 --- a/drivers/speex/modes.h +++ /dev/null @@ -1,161 +0,0 @@ -/* Copyright (C) 2002-2006 Jean-Marc Valin */ -/** - @file modes.h - @brief 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. - -*/ - -#ifndef MODES_H -#define MODES_H - -#include <speex/speex.h> -#include <speex/speex_bits.h> -#include "arch.h" - -#define NB_SUBMODES 16 -#define NB_SUBMODE_BITS 4 - -#define SB_SUBMODES 8 -#define SB_SUBMODE_BITS 3 - -/* Used internally, NOT TO BE USED in applications */ -/** Used internally*/ -#define SPEEX_GET_PI_GAIN 100 -/** Used internally*/ -#define SPEEX_GET_EXC 101 -/** Used internally*/ -#define SPEEX_GET_INNOV 102 -/** Used internally*/ -#define SPEEX_GET_DTX_STATUS 103 -/** Used internally*/ -#define SPEEX_SET_INNOVATION_SAVE 104 -/** Used internally*/ -#define SPEEX_SET_WIDEBAND 105 - -/** Used internally*/ -#define SPEEX_GET_STACK 106 - - -/** Quantizes LSPs */ -typedef void (*lsp_quant_func)(spx_lsp_t *, spx_lsp_t *, int, SpeexBits *); - -/** Decodes quantized LSPs */ -typedef void (*lsp_unquant_func)(spx_lsp_t *, int, SpeexBits *); - - -/** Long-term predictor quantization */ -typedef int (*ltp_quant_func)(spx_word16_t *, spx_word16_t *, spx_coef_t *, spx_coef_t *, - spx_coef_t *, spx_sig_t *, const void *, int, int, spx_word16_t, - int, int, SpeexBits*, char *, spx_word16_t *, spx_word16_t *, int, int, int, spx_word32_t *); - -/** Long-term un-quantize */ -typedef void (*ltp_unquant_func)(spx_word16_t *, spx_word32_t *, int, int, spx_word16_t, const void *, int, int *, - spx_word16_t *, SpeexBits*, char*, int, int, spx_word16_t, int); - - -/** Innovation quantization function */ -typedef void (*innovation_quant_func)(spx_word16_t *, spx_coef_t *, spx_coef_t *, spx_coef_t *, const void *, int, int, - spx_sig_t *, spx_word16_t *, SpeexBits *, char *, int, int); - -/** Innovation unquantization function */ -typedef void (*innovation_unquant_func)(spx_sig_t *, const void *, int, SpeexBits*, char *, spx_int32_t *); - -/** Description of a Speex sub-mode (wither narrowband or wideband */ -typedef struct SpeexSubmode { - int lbr_pitch; /**< Set to -1 for "normal" modes, otherwise encode pitch using a global pitch and allowing a +- lbr_pitch variation (for low not-rates)*/ - int forced_pitch_gain; /**< Use the same (forced) pitch gain for all sub-frames */ - int have_subframe_gain; /**< Number of bits to use as sub-frame innovation gain */ - int double_codebook; /**< Apply innovation quantization twice for higher quality (and higher bit-rate)*/ - /*LSP functions*/ - lsp_quant_func lsp_quant; /**< LSP quantization function */ - lsp_unquant_func lsp_unquant; /**< LSP unquantization function */ - - /*Long-term predictor functions*/ - ltp_quant_func ltp_quant; /**< Long-term predictor (pitch) quantizer */ - ltp_unquant_func ltp_unquant; /**< Long-term predictor (pitch) un-quantizer */ - const void *ltp_params; /**< Pitch parameters (options) */ - - /*Quantization of innovation*/ - innovation_quant_func innovation_quant; /**< Innovation quantization */ - innovation_unquant_func innovation_unquant; /**< Innovation un-quantization */ - const void *innovation_params; /**< Innovation quantization parameters*/ - - spx_word16_t comb_gain; /**< Gain of enhancer comb filter */ - - int bits_per_frame; /**< Number of bits per frame after encoding*/ -} SpeexSubmode; - -/** Struct defining the encoding/decoding mode*/ -typedef struct SpeexNBMode { - int frameSize; /**< Size of frames used for encoding */ - int subframeSize; /**< Size of sub-frames used for encoding */ - int lpcSize; /**< Order of LPC filter */ - int pitchStart; /**< Smallest pitch value allowed */ - int pitchEnd; /**< Largest pitch value allowed */ - - spx_word16_t gamma1; /**< Perceptual filter parameter #1 */ - spx_word16_t gamma2; /**< Perceptual filter parameter #2 */ - spx_word16_t lpc_floor; /**< Noise floor for LPC analysis */ - - const SpeexSubmode *submodes[NB_SUBMODES]; /**< Sub-mode data for the mode */ - int defaultSubmode; /**< Default sub-mode to use when encoding */ - int quality_map[11]; /**< Mode corresponding to each quality setting */ -} SpeexNBMode; - - -/** Struct defining the encoding/decoding mode for SB-CELP (wideband) */ -typedef struct SpeexSBMode { - const SpeexMode *nb_mode; /**< Embedded narrowband mode */ - int frameSize; /**< Size of frames used for encoding */ - int subframeSize; /**< Size of sub-frames used for encoding */ - int lpcSize; /**< Order of LPC filter */ - spx_word16_t gamma1; /**< Perceptual filter parameter #1 */ - spx_word16_t gamma2; /**< Perceptual filter parameter #1 */ - spx_word16_t lpc_floor; /**< Noise floor for LPC analysis */ - spx_word16_t folding_gain; - - const SpeexSubmode *submodes[SB_SUBMODES]; /**< Sub-mode data for the mode */ - int defaultSubmode; /**< Default sub-mode to use when encoding */ - int low_quality_map[11]; /**< Mode corresponding to each quality setting */ - int quality_map[11]; /**< Mode corresponding to each quality setting */ -#ifndef DISABLE_VBR - const float (*vbr_thresh)[11]; -#endif - int nb_modes; -} SpeexSBMode; - -int speex_encode_native(void *state, spx_word16_t *in, SpeexBits *bits); -int speex_decode_native(void *state, SpeexBits *bits, spx_word16_t *out); - -int nb_mode_query(const void *mode, int request, void *ptr); -int wb_mode_query(const void *mode, int request, void *ptr); - -#endif |