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}

modules/audio_coding/neteq/accelerate.cc

diff --git a/modules/audio_coding/neteq/accelerate.cc b/modules/audio_coding/neteq/accelerate.cc
index 183ad7b..18350b0 100644
--- a/modules/audio_coding/neteq/accelerate.cc
+++ b/modules/audio_coding/neteq/accelerate.cc
@@ -25,7 +25,8 @@
       input_length / num_channels_ < (2 * k15ms - 1) * fs_mult_) {
     // Length of input data too short to do accelerate. Simply move all data
     // from input to output.
-    output->PushBackInterleaved(input, input_length);
+    output->PushBackInterleaved(
+        rtc::ArrayView<const int16_t>(input, input_length));
     return kError;
   }
   return TimeStretch::Process(input, input_length, fast_accelerate, output,
@@ -67,17 +68,18 @@
 
     assert(fs_mult_120 >= peak_index);  // Should be handled in Process().
     // Copy first part; 0 to 15 ms.
-    output->PushBackInterleaved(input, fs_mult_120 * num_channels_);
+    output->PushBackInterleaved(
+        rtc::ArrayView<const int16_t>(input, fs_mult_120 * num_channels_));
     // Copy the |peak_index| starting at 15 ms to |temp_vector|.
     AudioMultiVector temp_vector(num_channels_);
-    temp_vector.PushBackInterleaved(&input[fs_mult_120 * num_channels_],
-                                    peak_index * num_channels_);
+    temp_vector.PushBackInterleaved(rtc::ArrayView<const int16_t>(
+        &input[fs_mult_120 * num_channels_], peak_index * num_channels_));
     // Cross-fade |temp_vector| onto the end of |output|.
     output->CrossFade(temp_vector, peak_index);
     // Copy the last unmodified part, 15 ms + pitch period until the end.
-    output->PushBackInterleaved(
+    output->PushBackInterleaved(rtc::ArrayView<const int16_t>(
         &input[(fs_mult_120 + peak_index) * num_channels_],
-        input_length - (fs_mult_120 + peak_index) * num_channels_);
+        input_length - (fs_mult_120 + peak_index) * num_channels_));
 
     if (active_speech) {
       return kSuccess;
@@ -86,7 +88,8 @@
     }
   } else {
     // Accelerate not allowed. Simply move all data from decoded to outData.
-    output->PushBackInterleaved(input, input_length);
+    output->PushBackInterleaved(
+        rtc::ArrayView<const int16_t>(input, input_length));
     return kNoStretch;
   }
 }