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Diffstat (limited to '1.2-netsec/include/asterisk/translate.h')
-rw-r--r-- | 1.2-netsec/include/asterisk/translate.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/1.2-netsec/include/asterisk/translate.h b/1.2-netsec/include/asterisk/translate.h deleted file mode 100644 index 7bb4aa441..000000000 --- a/1.2-netsec/include/asterisk/translate.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, Digium, Inc. - * - * Mark Spencer <markster@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * \brief Translate via the use of pseudo channels - */ - -#ifndef _ASTERISK_TRANSLATE_H -#define _ASTERISK_TRANSLATE_H - -#define MAX_FORMAT 32 - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#include "asterisk/frame.h" -#include "asterisk/plc.h" - -/* Declared by individual translators */ -struct ast_translator_pvt; - -/*! data structure associated with a translator */ -struct ast_translator { - /*! Name of translator */ - char name[80]; - /*! Source format */ - int srcfmt; - /*! Destination format */ - int dstfmt; - /*! Private data associated with the translator */ - struct ast_translator_pvt *(*newpvt)(void); - /*! Input frame callback */ - int (*framein)(struct ast_translator_pvt *pvt, struct ast_frame *in); - /*! Output frame callback */ - struct ast_frame * (*frameout)(struct ast_translator_pvt *pvt); - /*! Destroy translator callback */ - void (*destroy)(struct ast_translator_pvt *pvt); - /* For performance measurements */ - /*! Generate an example frame */ - struct ast_frame * (*sample)(void); - /*! Cost in milliseconds for encoding/decoding 1 second of sound */ - int cost; - /*! For linking, not to be modified by the translator */ - struct ast_translator *next; -}; - -struct ast_trans_pvt; - -/*! Register a translator */ -/*! - * \param t populated ast_translator structure - * This registers a codec translator with asterisk - * Returns 0 on success, -1 on failure - */ -extern int ast_register_translator(struct ast_translator *t); - -/*! Unregister a translator */ -/*! - * \param t translator to unregister - * Unregisters the given tranlator - * Returns 0 on success, -1 on failure - */ -extern int ast_unregister_translator(struct ast_translator *t); - -/*! Chooses the best translation path */ -/*! - * Given a list of sources, and a designed destination format, which should - I choose? Returns 0 on success, -1 if no path could be found. Modifies - dests and srcs in place - */ -extern int ast_translator_best_choice(int *dsts, int *srcs); - -/*!Builds a translator path */ -/*! - * \param dest destination format - * \param source source format - * Build a path (possibly NULL) from source to dest - * Returns ast_trans_pvt on success, NULL on failure - * */ -extern struct ast_trans_pvt *ast_translator_build_path(int dest, int source); - -/*! Frees a translator path */ -/*! - * \param tr translator path to get rid of - * Frees the given translator path structure - */ -extern void ast_translator_free_path(struct ast_trans_pvt *tr); - -/*! translates one or more frames */ -/*! - * \param tr translator structure to use for translation - * \param f frame to translate - * \param consume Whether or not to free the original frame - * Apply an input frame into the translator and receive zero or one output frames. Consume - * determines whether the original frame should be freed - * Returns an ast_frame of the new translation format on success, NULL on failure - */ -extern struct ast_frame *ast_translate(struct ast_trans_pvt *tr, struct ast_frame *f, int consume); - -#if defined(__cplusplus) || defined(c_plusplus) -} -#endif - -#endif /* _ASTERISK_TRANSLATE_H */ |