mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-05-27 08:06:34 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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* Copyright (c) 2011 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License") ;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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/*
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File: ALACEncoder.h
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*/
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#pragma once
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#include <stdint.h>
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#include "ALACAudioTypes.h"
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struct BitBuffer ;
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class ALACEncoder
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{
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public :
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ALACEncoder () ;
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virtual ~ALACEncoder () ;
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virtual int32_t Encode (AudioFormatDescription theInputFormat, AudioFormatDescription theOutputFormat,
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unsigned char * theReadBuffer, unsigned char * theWriteBuffer, int32_t * ioNumBytes) ;
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virtual int32_t Finish () ;
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void SetFastMode (bool fast) { mFastMode = fast ; } ;
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// this must be called *before* InitializeEncoder ()
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void SetFrameSize (uint32_t frameSize) { mFrameSize = frameSize ; } ;
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void GetConfig (ALACSpecificConfig & config) ;
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uint32_t GetMagicCookieSize (uint32_t inNumChannels) ;
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void GetMagicCookie (void * config, uint32_t * ioSize) ;
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virtual int32_t InitializeEncoder (AudioFormatDescription theOutputFormat) ;
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protected :
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virtual void GetSourceFormat (const AudioFormatDescription * source, AudioFormatDescription * output) ;
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int32_t EncodeStereo (struct BitBuffer * bitstream, void * input, uint32_t stride, uint32_t channelIndex, uint32_t numSamples) ;
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int32_t EncodeStereoFast (struct BitBuffer * bitstream, void * input, uint32_t stride, uint32_t channelIndex, uint32_t numSamples) ;
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int32_t EncodeStereoEscape (struct BitBuffer * bitstream, void * input, uint32_t stride, uint32_t numSamples) ;
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int32_t EncodeMono (struct BitBuffer * bitstream, void * input, uint32_t stride, uint32_t channelIndex, uint32_t numSamples) ;
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// ALAC encoder parameters
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int16_t mBitDepth ;
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bool mFastMode ;
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// encoding state
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int16_t mLastMixRes [kALACMaxChannels] ;
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// encoding buffers
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int32_t * mMixBufferU ;
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int32_t * mMixBufferV ;
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int32_t * mPredictorU ;
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int32_t * mPredictorV ;
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uint16_t * mShiftBufferUV ;
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uint8_t * mWorkBuffer ;
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// per-channel coefficients buffers
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int16_t mCoefsU [kALACMaxChannels][kALACMaxSearches][kALACMaxCoefs] ;
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int16_t mCoefsV [kALACMaxChannels][kALACMaxSearches][kALACMaxCoefs] ;
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// encoding statistics
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uint32_t mTotalBytesGenerated ;
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uint32_t mAvgBitRate ;
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uint32_t mMaxFrameBytes ;
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uint32_t mFrameSize ;
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uint32_t mMaxOutputBytes ;
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uint32_t mNumChannels ;
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uint32_t mOutputSampleRate ;
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} ;
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