commit 00eb12a20cd29cf249e9ac7cfe0a8037a1e5f903
author Henrik Lundin <henrik.lundin@webrtc.org> Wed Sep 05 18:14:52 2018 +0200
committer Commit Bot <commit-bot@chromium.org> Fri Sep 14 07:05:20 2018 +0000
tree 40abdce0efb2420289f0073d39257fc721777649
parent e899629be4d8c86d3b26440b51d29db39c19b490

Let NetEq use the PLC output from a decoder

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}

api/audio_codecs/audio_decoder.cc

diff --git a/api/audio_codecs/audio_decoder.cc b/api/audio_codecs/audio_decoder.cc
index 00e45d9..aaba175 100644
--- a/api/audio_codecs/audio_decoder.cc
+++ b/api/audio_codecs/audio_decoder.cc
@@ -130,6 +130,12 @@
   return 0;
 }
 
+// TODO(bugs.webrtc.org/9676): Remove default impementation.
+void AudioDecoder::GeneratePlc(size_t /*requested_samples_per_channel*/,
+                               rtc::BufferT<int16_t>* /*concealment_audio*/) {
+  return;
+}
+
 int AudioDecoder::IncomingPacket(const uint8_t* payload,
                                  size_t payload_len,
                                  uint16_t rtp_sequence_number,