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Diffstat (limited to 'src/libspeex/sb_celp.h')
| -rw-r--r-- | src/libspeex/sb_celp.h | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/libspeex/sb_celp.h b/src/libspeex/sb_celp.h deleted file mode 100644 index e8c37612..00000000 --- a/src/libspeex/sb_celp.h +++ /dev/null @@ -1,155 +0,0 @@ -/* 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 <speex/speex_bits.h> -#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 |