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Merge "apps/app_amd.c: Fixed total time and silence calculations"

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Jenkins2
2018-03-07 13:59:29 -06:00
committed by Gerrit Code Review
parent 91a8c7a281 7b01236028
commit 9040057db3
1 changed files with 17 additions and 4 deletions
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21
apps/app_amd.c
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@@ -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);