diff options
Diffstat (limited to 'include/asterisk/dsp.h')
| -rw-r--r-- | include/asterisk/dsp.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asterisk/dsp.h b/include/asterisk/dsp.h index 81735d625..871a51ac9 100644 --- a/include/asterisk/dsp.h +++ b/include/asterisk/dsp.h @@ -138,4 +138,16 @@ int ast_dsp_reload(void); int ast_dsp_init(void); +/*! + * \brief Hint that a frame from a dsp was freed + * + * This is called from ast_frame_free if AST_FRFLAG_FROM_DSP is set. This occurs + * because it is possible for the dsp to be freed while someone still holds a reference + * to the frame that is in that dsp. This has been known to happen when the dsp on a Zap + * channel detects a busy signal. The channel is hung up, and the application that read the + * frame to begin with still has a reference to the frame. + * + * \return nothing + */ +void ast_dsp_frame_freed(struct ast_frame *fr); #endif /* _ASTERISK_DSP_H */ |