Files
platform-external-webrtc/webrtc/modules/audio_coding/main/source/acm_isac.h
tina.legrand@webrtc.org f7fa6276e2 Reformating files in audio coding module.
This CL format the ramaining files on the audio coding module. No other changes are done, except for fixing a few long lines and TODOs without owner.

BUG=issue1024

Review URL: https://webrtc-codereview.appspot.com/928012

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3042 4adac7df-926f-26a2-2b94-8c16560cd09d
2012-11-05 09:35:51 +00:00

125 lines
4.1 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_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);
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_