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/*
* 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 <stddef.h>
#include "opus.h"
struct WebRtcOpusEncInst {
OpusEncoder* encoder;
size_t 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;
size_t channels;
int in_dtx_mode;
};
#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_
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