| /* |
| * Copyright (c) 2011 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_ISAC_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_ISAC_H_ |
| |
| #include "acm_generic_codec.h" |
| |
| namespace webrtc |
| { |
| |
| struct ACMISACInst; |
| |
| enum iSACCodingMode {ADAPTIVE, CHANNEL_INDEPENDENT}; |
| |
| |
| class ACMISAC : public ACMGenericCodec |
| { |
| public: |
| ACMISAC(WebRtc_Word16 codecID); |
| ~ACMISAC(); |
| // for FEC |
| ACMGenericCodec* CreateInstance(void); |
| |
| WebRtc_Word16 InternalEncode( |
| WebRtc_UWord8* bitstream, |
| WebRtc_Word16* bitStreamLenByte); |
| |
| WebRtc_Word16 InternalInitEncoder( |
| WebRtcACMCodecParams *codecParams); |
| |
| WebRtc_Word16 InternalInitDecoder( |
| WebRtcACMCodecParams *codecParams); |
| |
| WebRtc_Word16 DeliverCachedIsacData( |
| WebRtc_UWord8* bitStream, |
| WebRtc_Word16* bitStreamLenByte, |
| WebRtc_UWord32* timestamp, |
| WebRtcACMEncodingType* encodingType, |
| const WebRtc_UWord16 isacRate, |
| const WebRtc_UWord8 isacBWestimate); |
| |
| WebRtc_Word16 DeliverCachedData( |
| WebRtc_UWord8* /* bitStream */, |
| WebRtc_Word16* /* bitStreamLenByte */, |
| WebRtc_UWord32* /* timestamp */, |
| WebRtcACMEncodingType* /* encodingType */) |
| { |
| return -1; |
| } |
| |
| WebRtc_Word16 UpdateDecoderSampFreq( |
| WebRtc_Word16 codecId); |
| |
| WebRtc_Word16 UpdateEncoderSampFreq( |
| WebRtc_UWord16 sampFreqHz); |
| |
| WebRtc_Word16 EncoderSampFreq( |
| WebRtc_UWord16& sampFreqHz); |
| |
| WebRtc_Word32 ConfigISACBandwidthEstimator( |
| const WebRtc_UWord8 initFrameSizeMsec, |
| const WebRtc_UWord16 initRateBitPerSec, |
| const bool enforceFrameSize); |
| |
| WebRtc_Word32 SetISACMaxPayloadSize( |
| const WebRtc_UWord16 maxPayloadLenBytes); |
| |
| WebRtc_Word32 SetISACMaxRate( |
| const WebRtc_UWord32 maxRateBitPerSec); |
| |
| WebRtc_Word16 REDPayloadISAC( |
| const WebRtc_Word32 isacRate, |
| const WebRtc_Word16 isacBwEstimate, |
| WebRtc_UWord8* payload, |
| WebRtc_Word16* payloadLenBytes); |
| |
| protected: |
| WebRtc_Word16 DecodeSafe( |
| WebRtc_UWord8* bitStream, |
| WebRtc_Word16 bitStreamLenByte, |
| WebRtc_Word16* audio, |
| WebRtc_Word16* audioSamples, |
| WebRtc_Word8* speechType); |
| |
| WebRtc_Word32 CodecDef( |
| WebRtcNetEQ_CodecDef& codecDef, |
| const CodecInst& codecInst); |
| |
| void DestructEncoderSafe(); |
| |
| void DestructDecoderSafe(); |
| |
| WebRtc_Word16 SetBitRateSafe( |
| const WebRtc_Word32 bitRate); |
| |
| WebRtc_Word32 GetEstimatedBandwidthSafe(); |
| |
| WebRtc_Word32 SetEstimatedBandwidthSafe(WebRtc_Word32 estimatedBandwidth); |
| |
| WebRtc_Word32 GetRedPayloadSafe( |
| WebRtc_UWord8* redPayload, |
| WebRtc_Word16* payloadBytes); |
| |
| WebRtc_Word16 InternalCreateEncoder(); |
| |
| WebRtc_Word16 InternalCreateDecoder(); |
| |
| void InternalDestructEncoderInst( |
| void* ptrInst); |
| |
| WebRtc_Word16 Transcode( |
| WebRtc_UWord8* bitStream, |
| WebRtc_Word16* bitStreamLenByte, |
| WebRtc_Word16 qBWE, |
| WebRtc_Word32 rate, |
| bool isRED); |
| |
| WebRtc_Word16 UnregisterFromNetEqSafe( |
| ACMNetEQ* netEq, |
| WebRtc_Word16 payloadType); |
| |
| void CurrentRate(WebRtc_Word32& rateBitPerSec); |
| |
| void UpdateFrameLen(); |
| |
| bool DecoderParamsSafe( |
| WebRtcACMCodecParams *decParams, |
| const WebRtc_UWord8 payloadType); |
| |
| void SaveDecoderParamSafe( |
| const WebRtcACMCodecParams* codecParams); |
| |
| ACMISACInst* _codecInstPtr; |
| |
| bool _isEncInitialized; |
| iSACCodingMode _isacCodingMode; |
| bool _enforceFrameSize; |
| WebRtc_Word32 _isacCurrentBN; |
| WebRtc_UWord16 _samplesIn10MsAudio; |
| WebRtcACMCodecParams _decoderParams32kHz; |
| }; |
| |
| } //namespace |
| |
| #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_ISAC_H_ |