diff options
| author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-24 03:45:42 +0000 |
|---|---|---|
| committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-10-24 03:45:42 +0000 |
| commit | 6a53ae2cd676fa9045c0ef44b5dcb6c1fa6e6508 (patch) | |
| tree | ede51de306059523a1018419c8ee2375fcb11778 /include | |
| parent | 3dc74cbf263fca4835576cb1e247f3c7e8d63e20 (diff) | |
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
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@46082 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'include')
| -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 |