diff options
author | Jenkins2 <jenkins2@gerrit.asterisk.org> | 2018-03-07 13:59:29 -0600 |
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committer | Gerrit Code Review <gerrit2@gerrit.digium.api> | 2018-03-07 13:59:29 -0600 |
commit | 9040057db38dbc3d8181a5405d13ed8c8083d438 (patch) | |
tree | be0279e2cfc2791a87594a524a1283ff9baa2b3d | |
parent | 91a8c7a28114dd4d64dd5216a7cffd0f36d35bab (diff) | |
parent | 7b01236028d6642e92e5ab5b92f2c8baa5ddae5a (diff) |
Merge "apps/app_amd.c: Fixed total time and silence calculations"
-rw-r--r-- | apps/app_amd.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/apps/app_amd.c b/apps/app_amd.c index e10f2cc01..3f805bb9a 100644 --- a/apps/app_amd.c +++ b/apps/app_amd.c @@ -277,6 +277,12 @@ static void isAnsweringMachine(struct ast_channel *chan, const char *data) /* Now we go into a loop waiting for frames from the channel */ while ((res = ast_waitfor(chan, 2 * maxWaitTimeForFrame)) > -1) { + int ms = 0; + + /* Figure out how long we waited */ + if (res > 0) { + ms = 2 * maxWaitTimeForFrame - res; + } /* If we fail to read in a frame, that means they hung up */ if (!(f = ast_read(chan))) { @@ -287,15 +293,22 @@ static void isAnsweringMachine(struct ast_channel *chan, const char *data) break; } - if (f->frametype == AST_FRAME_VOICE || f->frametype == AST_FRAME_NULL || f->frametype == AST_FRAME_CNG) { - /* If the total time exceeds the analysis time then give up as we are not too sure */ + if (f->frametype == AST_FRAME_VOICE || f->frametype == AST_FRAME_CNG) { + /* Figure out how long the frame is in milliseconds */ if (f->frametype == AST_FRAME_VOICE) { framelength = (ast_codec_samples_count(f) / DEFAULT_SAMPLES_PER_MS); } else { - framelength = 2 * maxWaitTimeForFrame; + framelength = ms; } iTotalTime += framelength; + + ast_debug(1, "AMD: Channel [%s] frametype [%s] iTotalTime [%d] framelength [%d] totalAnalysisTime [%d]\n", + ast_channel_name(chan), + f->frametype == AST_FRAME_VOICE ? "AST_FRAME_VOICE" : "AST_FRAME_CNG", + iTotalTime, framelength, totalAnalysisTime); + + /* If the total time exceeds the analysis time then give up as we are not too sure */ if (iTotalTime >= totalAnalysisTime) { ast_verb(3, "AMD: Channel [%s]. Too long...\n", ast_channel_name(chan)); ast_frfree(f); @@ -306,7 +319,7 @@ static void isAnsweringMachine(struct ast_channel *chan, const char *data) /* Feed the frame of audio into the silence detector and see if we get a result */ if (f->frametype != AST_FRAME_VOICE) - dspsilence += 2 * maxWaitTimeForFrame; + dspsilence += framelength; else { dspsilence = 0; ast_dsp_silence(silenceDetector, f, &dspsilence); |