Files
platform-external-webrtc/webrtc/modules/audio_coding/codecs/opus/opus_inst.h
minyue 3cea256806 Reland "Prevent Opus DTX from generating intermittent noise during silence"
The original CL is reviewed at
https://codereview.webrtc.org/1415173005/

A silly mistake was made at the last patch set, and the CL was reverted. This CL is to fix and reland it.

BUG=

Review URL: https://codereview.webrtc.org/1422213003

Cr-Commit-Position: refs/heads/master@{#10574}
2015-11-10 11:49:32 +00:00

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_