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make ast_read() able to handle channel read()/exception() methods that return a chain of frames

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cleanup code in ast_read()
add AST_FRAME_DTMF_BEGIN and AST_FRAME_DTMF_END so that variable-length DTMF events can be supported
teach chan_zap to send DTMF_BEGIN and DTMF_END when appropriate


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@8850 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2006-01-29 05:07:04 +00:00
parent 7b07bf5fc8
commit cde6058aef
3 changed files with 141 additions and 105 deletions
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8
include/asterisk/frame.h
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@@ -148,13 +148,19 @@ struct ast_frame {
#if defined(T38_SUPPORT)
/*! Modem-over-IP data streams */
#define AST_FRAME_MODEM 11
#endif /* T38_SUPPORT */
/*! DTMF begin event, subclass is the digit */
#define AST_FRAME_DTMF_BEGIN 12
/*! DTMF end event, subclass is the digit */
#define AST_FRAME_DTMF_END 13
#if defined(T38_SUPPORT)
/* MODEM subclasses */
/*! T.38 Fax-over-IP */
#define AST_MODEM_T38 1
/*! V.150 Modem-over-IP */
#define AST_MODEM_V150 2
#endif
#endif /* T38_SUPPORT */
/* HTML subclasses */
/*! Sending a URL */