diff options
Diffstat (limited to 'include/asterisk/frame.h')
-rwxr-xr-x | include/asterisk/frame.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h index c17e2eecb..551138005 100755 --- a/include/asterisk/frame.h +++ b/include/asterisk/frame.h @@ -427,6 +427,17 @@ static inline int ast_codec_interp_len(int format) */ int ast_frame_adjust_volume(struct ast_frame *f, int adjustment); +/*! + \brief Sums two frames of audio samples. + \param f1 The first frame (which will contain the result) + \param f2 The second frame + \return 0 for success, non-zero for an error + + The frames must be AST_FRAME_VOICE and must contain AST_FORMAT_SLINEAR samples, + and must contain the same number of samples. + */ +int ast_frame_slinear_sum(struct ast_frame *f1, struct ast_frame *f2); + #if defined(__cplusplus) || defined(c_plusplus) } #endif |