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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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10
modules/audio_coding/neteq/sync_buffer.cc
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@ -36,6 +36,16 @@ void SyncBuffer::PushBack(const AudioMultiVector& append_this) {
dtmf_index_ -= std::min(dtmf_index_, samples_added);
}
void SyncBuffer::PushBackInterleaved(const rtc::BufferT<int16_t>& append_this) {
const size_t size_before_adding = Size();
AudioMultiVector::PushBackInterleaved(append_this);
const size_t samples_added_per_channel = Size() - size_before_adding;
RTC_DCHECK_EQ(samples_added_per_channel * Channels(), append_this.size());
AudioMultiVector::PopFront(samples_added_per_channel);
next_index_ -= std::min(next_index_, samples_added_per_channel);
dtmf_index_ -= std::min(dtmf_index_, samples_added_per_channel);
}
void SyncBuffer::PushFrontZeros(size_t length) {
InsertZerosAtIndex(length, 0);
}