diff options
| author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-25 14:55:11 +0000 |
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| committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-25 14:55:11 +0000 |
| commit | 6d73a5efa0e08e68e0d87637dd54971df7cf7c6d (patch) | |
| tree | b8ff47ecf73c196ed8c4e061ad267b9a4a57220e /include/asterisk/translate.h | |
| parent | fb76c79434f8a3dc418dcbabeffd96829a30033e (diff) | |
Merged revisions 46082-46083,46152-46153 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
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r46082 | kpfleming | 2006-10-23 22:45:42 -0500 (Mon, 23 Oct 2006) | 2 lines
add an API call to allow channel drivers to determine which media formats are compatible (passthrough or transcode) with the format an existing channel is already using
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r46083 | kpfleming | 2006-10-23 22:53:32 -0500 (Mon, 23 Oct 2006) | 2 lines
ensure that the translation matrix is properly lock-protected every place it is used
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r46152 | kpfleming | 2006-10-24 18:45:19 -0500 (Tue, 24 Oct 2006) | 2 lines
if multiple translators are registered for the same source/dest combination, ensure that the lowest-cost one is always inserted earlier in the list
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r46153 | kpfleming | 2006-10-24 19:10:54 -0500 (Tue, 24 Oct 2006) | 2 lines
code zone experiment: don't offer formats in the outbound INVITE that aren't either passthrough or translatable
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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@46203 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'include/asterisk/translate.h')
| -rw-r--r-- | include/asterisk/translate.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/asterisk/translate.h b/include/asterisk/translate.h index 07c0ae1c2..a03f54ef2 100644 --- a/include/asterisk/translate.h +++ b/include/asterisk/translate.h @@ -205,12 +205,26 @@ struct ast_frame *ast_translate(struct ast_trans_pvt *tr, struct ast_frame *f, i /*! * \brief Returns the number of steps required to convert from 'src' to 'dest'. - * \param dest Destination format - * \param src Source format + * \param dest destination format + * \param src source format * \return the number of translation steps required, or -1 if no path is available */ unsigned int ast_translate_path_steps(unsigned int dest, unsigned int src); +/*! + * \brief Mask off unavailable formats from a format bitmask + * \param dest possible destination formats + * \param src source formats + * \return the destination formats that are available in the source or translatable + * + * The result will include all formats from 'dest' that are either present + * in 'src' or translatable from a format present in 'src'. + * + * Note that only a single audio format and a single video format can be + * present in 'src', or the function will produce unexpected results. + */ +unsigned int ast_translate_available_formats(unsigned int dest, unsigned int src); + #if defined(__cplusplus) || defined(c_plusplus) } #endif |