f475add57e
Opus may have an internal error that causes this. Here we make a workaround by adding some small disturbance to the input signals to break a long sequence of zeros. BUG=webrtc:5127 Review URL: https://codereview.webrtc.org/1415173005 Cr-Commit-Position: refs/heads/master@{#10565}
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_
|
|
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_
|
|
|
|
#include "opus.h"
|
|
|
|
struct WebRtcOpusEncInst {
|
|
OpusEncoder* encoder;
|
|
int channels;
|
|
int in_dtx_mode;
|
|
// When Opus is in DTX mode, we use |zero_counts| to count consecutive zeros
|
|
// to break long zero segment so as to prevent DTX from going wrong. We use
|
|
// one counter for each channel. After each encoding, |zero_counts| contain
|
|
// the remaining zeros from the last frame.
|
|
// TODO(minyue): remove this when Opus gets an internal fix to DTX.
|
|
size_t* zero_counts;
|
|
};
|
|
|
|
struct WebRtcOpusDecInst {
|
|
OpusDecoder* decoder;
|
|
int prev_decoded_samples;
|
|
int channels;
|
|
int in_dtx_mode;
|
|
};
|
|
|
|
|
|
#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_
|