From beaa7b7491e6deccd6c49abc375702e23aa4324a Mon Sep 17 00:00:00 2001 From: Nanang Izzuddin Date: Tue, 10 Jun 2008 14:09:37 +0000 Subject: Upgraded Speex version to the latest and reorganized it in local copy (since Speex is now using Git) git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@2002 74dad513-b988-da41-8d7b-12977e46ad98 --- third_party/speex/libspeex/sb_celp.h | 155 +++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 third_party/speex/libspeex/sb_celp.h (limited to 'third_party/speex/libspeex/sb_celp.h') diff --git a/third_party/speex/libspeex/sb_celp.h b/third_party/speex/libspeex/sb_celp.h new file mode 100644 index 00000000..e8c37612 --- /dev/null +++ b/third_party/speex/libspeex/sb_celp.h @@ -0,0 +1,155 @@ +/* Copyright (C) 2002-2006 Jean-Marc Valin */ +/** + @file sb_celp.h + @brief Sub-band CELP mode used for wideband encoding +*/ +/* + 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 SB_CELP_H +#define SB_CELP_H + +#include "modes.h" +#include +#include "nb_celp.h" + +/**Structure representing the full state of the sub-band encoder*/ +typedef struct SBEncState { + const SpeexMode *mode; /**< Pointer to the mode (containing for vtable info) */ + void *st_low; /**< State of the low-band (narrowband) encoder */ + int full_frame_size; /**< Length of full-band frames*/ + int frame_size; /**< Length of high-band frames*/ + int subframeSize; /**< Length of high-band sub-frames*/ + int nbSubframes; /**< Number of high-band sub-frames*/ + int windowSize; /**< Length of high-band LPC window*/ + int lpcSize; /**< Order of high-band LPC analysis */ + int first; /**< First frame? */ + spx_word16_t lpc_floor; /**< Controls LPC analysis noise floor */ + spx_word16_t gamma1; /**< Perceptual weighting coef 1 */ + spx_word16_t gamma2; /**< Perceptual weighting coef 2 */ + + char *stack; /**< Temporary allocation stack */ + spx_word16_t *high; /**< High-band signal (buffer) */ + spx_word16_t *h0_mem, *h1_mem; + + const spx_word16_t *window; /**< LPC analysis window */ + const spx_word16_t *lagWindow; /**< Auto-correlation window */ + spx_lsp_t *old_lsp; /**< LSPs of previous frame */ + spx_lsp_t *old_qlsp; /**< Quantized LSPs of previous frame */ + spx_coef_t *interp_qlpc; /**< Interpolated quantized LPCs for current sub-frame */ + + spx_mem_t *mem_sp; /**< Synthesis signal memory */ + spx_mem_t *mem_sp2; + spx_mem_t *mem_sw; /**< Perceptual signal memory */ + spx_word32_t *pi_gain; + spx_word16_t *exc_rms; + spx_word16_t *innov_rms_save; /**< If non-NULL, innovation is copied here */ + +#ifndef DISABLE_VBR + float vbr_quality; /**< Quality setting for VBR encoding */ + int vbr_enabled; /**< 1 for enabling VBR, 0 otherwise */ + spx_int32_t vbr_max; /**< Max bit-rate allowed in VBR mode (total) */ + spx_int32_t vbr_max_high; /**< Max bit-rate allowed in VBR mode for the high-band */ + spx_int32_t abr_enabled; /**< ABR setting (in bps), 0 if off */ + float abr_drift; + float abr_drift2; + float abr_count; + int vad_enabled; /**< 1 for enabling VAD, 0 otherwise */ + float relative_quality; +#endif /* #ifndef DISABLE_VBR */ + + int encode_submode; + const SpeexSubmode * const *submodes; + int submodeID; + int submodeSelect; + int complexity; + spx_int32_t sampling_rate; + +} SBEncState; + + +/**Structure representing the full state of the sub-band decoder*/ +typedef struct SBDecState { + const SpeexMode *mode; /**< Pointer to the mode (containing for vtable info) */ + void *st_low; /**< State of the low-band (narrowband) encoder */ + int full_frame_size; + int frame_size; + int subframeSize; + int nbSubframes; + int lpcSize; + int first; + spx_int32_t sampling_rate; + int lpc_enh_enabled; + + char *stack; + spx_word16_t *g0_mem, *g1_mem; + + spx_word16_t *excBuf; + spx_lsp_t *old_qlsp; + spx_coef_t *interp_qlpc; + + spx_mem_t *mem_sp; + spx_word32_t *pi_gain; + spx_word16_t *exc_rms; + spx_word16_t *innov_save; /** If non-NULL, innovation is copied here */ + + spx_word16_t last_ener; + spx_int32_t seed; + + int encode_submode; + const SpeexSubmode * const *submodes; + int submodeID; +} SBDecState; + + +/**Initializes encoder state*/ +void *sb_encoder_init(const SpeexMode *m); + +/**De-allocates encoder state resources*/ +void sb_encoder_destroy(void *state); + +/**Encodes one frame*/ +int sb_encode(void *state, void *in, SpeexBits *bits); + + +/**Initializes decoder state*/ +void *sb_decoder_init(const SpeexMode *m); + +/**De-allocates decoder state resources*/ +void sb_decoder_destroy(void *state); + +/**Decodes one frame*/ +int sb_decode(void *state, SpeexBits *bits, void *out); + +int sb_encoder_ctl(void *state, int request, void *ptr); + +int sb_decoder_ctl(void *state, int request, void *ptr); + +#endif -- cgit v1.2.3