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It is possible for no audio to pass between the current digit and next digit so expand logic that clears emulation to AST_FRAME_NULL.

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(closes issue #11911)
Reported by: edgreenberg
Patches:
      v1-11911.patch uploaded by dimas (license 88)
Tested by: tbsky


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@105560 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2008-03-03 15:28:59 +00:00
parent 70d43ff1d2
commit 5bfdc9818d
1 changed files with 8 additions and 1 deletions
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9
main/channel.c
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@@ -2166,9 +2166,16 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
} }
break; break;
case AST_FRAME_NULL: case AST_FRAME_NULL:
/* The EMULATE_DTMF flag must be cleared here as opposed to when the duration
* is reached , because we want to make sure we pass at least one
* voice frame through before starting the next digit, to ensure a gap
* between DTMF digits. */
if (ast_test_flag(chan, AST_FLAG_EMULATE_DTMF)) { if (ast_test_flag(chan, AST_FLAG_EMULATE_DTMF)) {
struct timeval now = ast_tvnow(); struct timeval now = ast_tvnow();
if (ast_tvdiff_ms(now, chan->dtmf_tv) >= chan->emulate_dtmf_duration) { if (!chan->emulate_dtmf_duration) {
ast_clear_flag(chan, AST_FLAG_EMULATE_DTMF);
chan->emulate_dtmf_digit = 0;
} else if (ast_tvdiff_ms(now, chan->dtmf_tv) >= chan->emulate_dtmf_duration) {
chan->emulate_dtmf_duration = 0; chan->emulate_dtmf_duration = 0;
ast_frfree(f); ast_frfree(f);
f = &chan->dtmff; f = &chan->dtmff;