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platform-external-webrtc/webrtc/modules/audio_coding/main/source/acm_celt.h
2013-04-09 00:28:06 +00:00

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1.9 KiB
C++

/*
* Copyright (c) 2012 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_MAIN_SOURCE_ACM_CELT_H_
#define WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_CELT_H_
#include "webrtc/modules/audio_coding/main/source/acm_generic_codec.h"
// forward declaration
struct CELT_encinst_t_;
struct CELT_decinst_t_;
namespace webrtc {
class ACMCELT : public ACMGenericCodec {
public:
explicit ACMCELT(int16_t codec_id);
~ACMCELT();
ACMGenericCodec* CreateInstance(void);
int16_t InternalEncode(uint8_t* bitstream, int16_t* bitstream_len_byte);
int16_t InternalInitEncoder(WebRtcACMCodecParams *codec_params);
int16_t InternalInitDecoder(WebRtcACMCodecParams *codec_params);
protected:
int16_t DecodeSafe(
uint8_t* /* bitstream */,
int16_t /* bitstream_len_byte */,
int16_t* /* audio */,
int16_t* /* audio_samples */,
int8_t* /* speech_type */);
int32_t CodecDef(WebRtcNetEQ_CodecDef& codec_def,
const CodecInst& codec_inst);
void DestructEncoderSafe();
void DestructDecoderSafe();
int16_t InternalCreateEncoder();
int16_t InternalCreateDecoder();
void InternalDestructEncoderInst(void* ptr_inst);
bool IsTrueStereoCodec();
int16_t SetBitRateSafe(const int32_t rate);
void SplitStereoPacket(uint8_t* payload, int32_t* payload_length);
CELT_encinst_t_* enc_inst_ptr_;
CELT_decinst_t_* dec_inst_ptr_;
uint16_t sampling_freq_;
int32_t bitrate_;
uint16_t channels_;
uint16_t dec_channels_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_CELT_H_