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Let NetEq use the PLC output from a decoder

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This change enables NetEq to use the packet concealment audio (aka
PLC) produced by a decoder. The change also includes a new API to the
AudioDecoder interface, which lets the decoder implementation generate
and deliver concealment audio.

Bug: webrtc:9180
Change-Id: Icaacebccf645d4694b0d2d6310f6f2c7132881c4
Reviewed-on: https://webrtc-review.googlesource.com/96340
Commit-Queue: Henrik Lundin <henrik.lundin@webrtc.org>
Reviewed-by: Minyue Li <minyue@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24738}
This commit is contained in:
Henrik Lundin
2018-09-05 18:14:52 +02:00
committed by Commit Bot
parent e899629be4
commit 00eb12a20c
18 changed files with 372 additions and 60 deletions
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3
modules/audio_coding/neteq/neteq_impl.h
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@ -290,6 +290,8 @@ class NetEqImpl : public webrtc::NetEq {
AudioDecoder::SpeechType speech_type,
bool play_dtmf) RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
bool DoCodecPlc() RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
// Sub-method which calls the Expand class to perform the expand operation.
int DoExpand(bool play_dtmf) RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
@ -425,6 +427,7 @@ class NetEqImpl : public webrtc::NetEq {
ExpandUmaLogger expand_uma_logger_ RTC_GUARDED_BY(crit_sect_);
ExpandUmaLogger speech_expand_uma_logger_ RTC_GUARDED_BY(crit_sect_);
bool no_time_stretching_ RTC_GUARDED_BY(crit_sect_); // Only used for test.
rtc::BufferT<int16_t> concealment_audio_ RTC_GUARDED_BY(crit_sect_);
private:
RTC_DISALLOW_COPY_AND_ASSIGN(NetEqImpl);