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speex_callbacks.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:4k
源码类别:
Windows CE
开发平台:
C/C++
- /* Copyright (C) 2002 Jean-Marc Valin*/
- /**
- @file speex_callbacks.h
- @brief Describes callback handling and in-band signalling
- */
- /*
- 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 SPEEX_CALLBACKS_H
- #define SPEEX_CALLBACKS_H
- #include "speex.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- /** Total number of callbacks */
- #define SPEEX_MAX_CALLBACKS 16
- /* Describes all the in-band requests */
- /*These are 1-bit requests*/
- /** Request for perceptual enhancement (1 for on, 0 for off) */
- #define SPEEX_INBAND_ENH_REQUEST 0
- /** Reserved */
- #define SPEEX_INBAND_RESERVED1 1
- /*These are 4-bit requests*/
- /** Request for a mode change */
- #define SPEEX_INBAND_MODE_REQUEST 2
- /** Request for a low mode change */
- #define SPEEX_INBAND_LOW_MODE_REQUEST 3
- /** Request for a high mode change */
- #define SPEEX_INBAND_HIGH_MODE_REQUEST 4
- /** Request for VBR (1 on, 0 off) */
- #define SPEEX_INBAND_VBR_QUALITY_REQUEST 5
- /** Request to be sent acknowledge */
- #define SPEEX_INBAND_ACKNOWLEDGE_REQUEST 6
- /** Request for VBR (1 for on, 0 for off) */
- #define SPEEX_INBAND_VBR_REQUEST 7
- /*These are 8-bit requests*/
- /** Send a character in-band */
- #define SPEEX_INBAND_CHAR 8
- /** Intensity stereo information */
- #define SPEEX_INBAND_STEREO 9
- /*These are 16-bit requests*/
- /** Transmit max bit-rate allowed */
- #define SPEEX_INBAND_MAX_BITRATE 10
- /*These are 32-bit requests*/
- /** Acknowledge packet reception */
- #define SPEEX_INBAND_ACKNOWLEDGE 12
- /** Callback function type */
- typedef int (*speex_callback_func)(SpeexBits *bits, void *state, void *data);
- /** Callback information */
- typedef struct SpeexCallback {
- int callback_id; /**< ID associated to the callback */
- speex_callback_func func; /**< Callback handler function */
- void *data; /**< Data that will be sent to the handler */
- void *reserved1; /**< Reserved for future use */
- int reserved2; /**< Reserved for future use */
- } SpeexCallback;
- /** Handle in-band request */
- int speex_inband_handler(SpeexBits *bits, SpeexCallback *callback_list, void *state);
- /** Standard handler for mode request (change mode, no questions asked) */
- int speex_std_mode_request_handler(SpeexBits *bits, void *state, void *data);
- /** Standard handler for high mode request (change high mode, no questions asked) */
- int speex_std_high_mode_request_handler(SpeexBits *bits, void *state, void *data);
- /** Standard handler for in-band characters (write to stderr) */
- int speex_std_char_handler(SpeexBits *bits, void *state, void *data);
- /** Default handler for user-defined requests: in this case, just ignore */
- int speex_default_user_handler(SpeexBits *bits, void *state, void *data);
- int speex_std_low_mode_request_handler(SpeexBits *bits, void *state, void *data);
- int speex_std_vbr_request_handler(SpeexBits *bits, void *state, void *data);
- int speex_std_enh_request_handler(SpeexBits *bits, void *state, void *data);
- int speex_std_vbr_quality_request_handler(SpeexBits *bits, void *state, void *data);
- #ifdef __cplusplus
- }
- #endif
- #endif