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sb_celp.h

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00001 /* Copyright (C) 2002 Jean-Marc Valin */
00006 /*
00007    Redistribution and use in source and binary forms, with or without
00008    modification, are permitted provided that the following conditions
00009    are met:
00010    
00011    - Redistributions of source code must retain the above copyright
00012    notice, this list of conditions and the following disclaimer.
00013    
00014    - Redistributions in binary form must reproduce the above copyright
00015    notice, this list of conditions and the following disclaimer in the
00016    documentation and/or other materials provided with the distribution.
00017    
00018    - Neither the name of the Xiph.org Foundation nor the names of its
00019    contributors may be used to endorse or promote products derived from
00020    this software without specific prior written permission.
00021    
00022    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00023    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
00025    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
00026    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033 
00034 */
00035 
00036 #ifndef SB_CELP_H
00037 #define SB_CELP_H
00038 
00039 #include "modes.h"
00040 #include "speex_bits.h"
00041 #include "nb_celp.h"
00042 
00044 typedef struct SBEncState {
00045    SpeexMode *mode;            
00046    void *st_low;               
00047    int    full_frame_size;     
00048    int    frame_size;          
00049    int    subframeSize;        
00050    int    nbSubframes;         
00051    int    windowSize;          
00052    int    lpcSize;             
00053    int    bufSize;             
00054    int    first;               
00055    float  lag_factor;          
00056    float  lpc_floor;           
00057    float  gamma1;              
00058    float  gamma2;              
00060    char  *stack;               
00061    float *x0d, *x1d; 
00062    float *high;                
00063    float *y0, *y1;             
00064    float *h0_mem, *h1_mem, *g0_mem, *g1_mem; 
00066    float *excBuf;              
00067    float *exc;                 
00068    float *buf;                 
00069    float *res;                 
00070    float *sw;                  
00071    float *target;              
00072    float *window;              
00073    float *lagWindow;           
00074    float *autocorr;            
00075    float *lpc;                 
00076    float *lsp;                 
00077    float *qlsp;                
00078    float *old_lsp;             
00079    float *old_qlsp;            
00080    float *interp_lsp;          
00081    float *interp_qlsp;         
00082    float *interp_lpc;          
00083    float *interp_qlpc;         
00084    float *bw_lpc1;             
00085    float *bw_lpc2;             
00087    float *mem_sp;              
00088    float *mem_sp2;
00089    float *mem_sw;              
00090    float *pi_gain;
00091 
00092    float  vbr_quality;         
00093    int    vbr_enabled;         
00094    int    abr_enabled;         
00095    float  abr_drift;
00096    float  abr_drift2;
00097    float  abr_count;
00098    int    vad_enabled;         
00099    float  relative_quality;
00100 
00101    int    encode_submode;
00102    SpeexSubmode **submodes;
00103    int    submodeID;
00104    int    submodeSelect;
00105    int    complexity;
00106    int    sampling_rate;
00107 
00108 } SBEncState;
00109 
00110 
00112 typedef struct SBDecState {
00113    SpeexMode *mode;            
00114    void *st_low;               
00115    int    full_frame_size;
00116    int    frame_size;
00117    int    subframeSize;
00118    int    nbSubframes;
00119    int    lpcSize;
00120    int    first;
00121    int    sampling_rate;
00122    int    lpc_enh_enabled;
00123 
00124    char  *stack;
00125    float *x0d, *x1d;
00126    float *high;
00127    float *y0, *y1;
00128    float *h0_mem, *h1_mem, *g0_mem, *g1_mem;
00129 
00130    float *exc;
00131    float *qlsp;
00132    float *old_qlsp;
00133    float *interp_qlsp;
00134    float *interp_qlpc;
00135 
00136    float *mem_sp;
00137    float *pi_gain;
00138 
00139    int    encode_submode;
00140    SpeexSubmode **submodes;
00141    int    submodeID;
00142 } SBDecState;
00143 
00144 
00146 void *sb_encoder_init(SpeexMode *m);
00147 
00149 void sb_encoder_destroy(void *state);
00150 
00152 int sb_encode(void *state, float *in, SpeexBits *bits);
00153 
00154 
00156 void *sb_decoder_init(SpeexMode *m);
00157 
00159 void sb_decoder_destroy(void *state);
00160 
00162 int sb_decode(void *state, SpeexBits *bits, float *out);
00163 
00164 int sb_encoder_ctl(void *state, int request, void *ptr);
00165 
00166 int sb_decoder_ctl(void *state, int request, void *ptr);
00167 
00168 #endif

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