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In streaming mode it is preferable to fade to silence when sender stops sending, or long period of packet loss.

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test=try bots.
Review URL: https://webrtc-codereview.appspot.com/1272004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3771 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
turaj@webrtc.org
2013-04-06 00:08:11 +00:00
parent 19da719a5f
commit 2e6b7e938f
1 changed files with 42 additions and 29 deletions
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71
webrtc/modules/audio_coding/main/source/acm_neteq.cc
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@ -323,38 +323,51 @@ WebRtc_Word32 ACMNetEQ::CurrentSampFreqHz() const {
WebRtc_Word32 ACMNetEQ::SetPlayoutMode(const AudioPlayoutMode mode) {
CriticalSectionScoped lock(neteq_crit_sect_);
if (playout_mode_ != mode) {
for (WebRtc_Word16 idx = 0; idx < num_slaves_ + 1; idx++) {
if (!is_initialized_[idx]) {
WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, id_,
"SetPlayoutMode: NetEq is not initialized.");
return -1;
}
if (playout_mode_ == mode)
return 0;
enum WebRtcNetEQPlayoutMode playout_mode = kPlayoutOff;
switch (mode) {
case voice:
playout_mode = kPlayoutOn;
break;
case fax:
playout_mode = kPlayoutFax;
break;
case streaming:
playout_mode = kPlayoutStreaming;
break;
case off:
playout_mode = kPlayoutOff;
break;
}
if (WebRtcNetEQ_SetPlayoutMode(inst_[idx], playout_mode) < 0) {
LogError("SetPlayoutMode", idx);
return -1;
}
}
playout_mode_ = mode;
enum WebRtcNetEQPlayoutMode playout_mode = kPlayoutOff;
enum WebRtcNetEQBGNMode background_noise_mode = kBGNOn;
switch (mode) {
case voice:
playout_mode = kPlayoutOn;
background_noise_mode = kBGNOn;
break;
case fax:
playout_mode = kPlayoutFax;
WebRtcNetEQ_GetBGNMode(inst_[0], &background_noise_mode); // No change.
break;
case streaming:
playout_mode = kPlayoutStreaming;
background_noise_mode = kBGNOff;
break;
case off:
playout_mode = kPlayoutOff;
background_noise_mode = kBGNOff;
break;
}
return 0;
int err = 0;
for (WebRtc_Word16 idx = 0; idx < num_slaves_ + 1; idx++) {
if (!is_initialized_[idx]) {
WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, id_,
"SetPlayoutMode: NetEq is not initialized.");
return -1;
}
if (WebRtcNetEQ_SetPlayoutMode(inst_[idx], playout_mode) < 0) {
LogError("SetPlayoutMode", idx);
err = -1;
}
if (WebRtcNetEQ_SetBGNMode(inst_[idx], kBGNOff) < 0) {
LogError("SetPlayoutMode::SetBGNMode", idx);
err = -1;
}
}
if (err == 0)
playout_mode_ = mode;
return err;
}
AudioPlayoutMode ACMNetEQ::playout_mode() const {