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Add prototype for ast_dsp_frame_freed. I'm not sure how this was

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@114211 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2008-04-17 16:50:46 +00:00
parent 71b704ef78
commit 171a6a24bb
2 changed files with 14 additions and 0 deletions
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13
include/asterisk/dsp.h
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@@ -108,4 +108,17 @@ int ast_dsp_get_tstate(struct ast_dsp *dsp);
/*! \brief Get tcount (Threshold counter) */
int ast_dsp_get_tcount(struct ast_dsp *dsp);
/*!
* \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 */