speex_callbacks.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 SPEEX_CALLBACKS_H
00037 #define SPEEX_CALLBACKS_H
00038 
00042 #include "speex.h"
00043 
00044 #ifdef __cplusplus
00045 extern "C" {
00046 #endif
00047 
00049 #define SPEEX_MAX_CALLBACKS 16
00050 
00051 /* Describes all the in-band requests */
00052 
00053 /*These are 1-bit requests*/
00055 #define SPEEX_INBAND_ENH_REQUEST         0
00056 
00057 #define SPEEX_INBAND_RESERVED1           1
00058 
00059 /*These are 4-bit requests*/
00061 #define SPEEX_INBAND_MODE_REQUEST        2
00062 
00063 #define SPEEX_INBAND_LOW_MODE_REQUEST    3
00064 
00065 #define SPEEX_INBAND_HIGH_MODE_REQUEST   4
00066 
00067 #define SPEEX_INBAND_VBR_QUALITY_REQUEST 5
00068 
00069 #define SPEEX_INBAND_ACKNOWLEDGE_REQUEST 6
00070 
00071 #define SPEEX_INBAND_VBR_REQUEST         7
00072 
00073 /*These are 8-bit requests*/
00075 #define SPEEX_INBAND_CHAR                8
00076 
00077 #define SPEEX_INBAND_STEREO              9
00078 
00079 /*These are 16-bit requests*/
00081 #define SPEEX_INBAND_MAX_BITRATE         10
00082 
00083 /*These are 32-bit requests*/
00085 #define SPEEX_INBAND_ACKNOWLEDGE         12
00086 
00088 typedef int (*speex_callback_func)(SpeexBits *bits, void *state, void *data);
00089 
00091 typedef struct SpeexCallback {
00092    int callback_id;             
00093    speex_callback_func func;    
00094    void *data;                  
00095    void *reserved1;             
00096    int   reserved2;             
00097 } SpeexCallback;
00098 
00100 int speex_inband_handler(SpeexBits *bits, SpeexCallback *callback_list, void *state);
00101 
00103 int speex_std_mode_request_handler(SpeexBits *bits, void *state, void *data);
00104 
00106 int speex_std_high_mode_request_handler(SpeexBits *bits, void *state, void *data);
00107 
00109 int speex_std_char_handler(SpeexBits *bits, void *state, void *data);
00110 
00112 int speex_default_user_handler(SpeexBits *bits, void *state, void *data);
00113 
00114 
00115 
00117 int speex_std_low_mode_request_handler(SpeexBits *bits, void *state, void *data);
00118 
00120 int speex_std_vbr_request_handler(SpeexBits *bits, void *state, void *data);
00121 
00123 int speex_std_enh_request_handler(SpeexBits *bits, void *state, void *data);
00124 
00126 int speex_std_vbr_quality_request_handler(SpeexBits *bits, void *state, void *data);
00127 
00128 
00129 #ifdef __cplusplus
00130 }
00131 #endif
00132 
00134 #endif

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