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/*
* Copyright (c) 2015 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.
*/
#include "webrtc/modules/audio_coding/codecs/ilbc/include/audio_decoder_ilbc.h"
#include "webrtc/base/checks.h"
#include "webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h"
namespace webrtc {
AudioDecoderIlbc::AudioDecoderIlbc() {
WebRtcIlbcfix_DecoderCreate(&dec_state_);
WebRtcIlbcfix_Decoderinit30Ms(dec_state_);
}
AudioDecoderIlbc::~AudioDecoderIlbc() {
WebRtcIlbcfix_DecoderFree(dec_state_);
}
bool AudioDecoderIlbc::HasDecodePlc() const {
return true;
}
int AudioDecoderIlbc::DecodeInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) {
RTC_DCHECK_EQ(sample_rate_hz, 8000);
int16_t temp_type = 1; // Default is speech.
int ret = WebRtcIlbcfix_Decode(dec_state_, encoded, encoded_len, decoded,
&temp_type);
*speech_type = ConvertSpeechType(temp_type);
return ret;
}
size_t AudioDecoderIlbc::DecodePlc(size_t num_frames, int16_t* decoded) {
return WebRtcIlbcfix_NetEqPlc(dec_state_, decoded, num_frames);
}
void AudioDecoderIlbc::Reset() {
WebRtcIlbcfix_Decoderinit30Ms(dec_state_);
}
size_t AudioDecoderIlbc::Channels() const {
return 1;
}
} // namespace webrtc
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