mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-26 01:53:47 +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.
104 lines
3 KiB
C
104 lines
3 KiB
C
/*
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* Copyright (c) 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2012-2014 Erik de Castro Lopo <erikd@mega-nerd.com>
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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: alac_codec.h
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*/
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#ifndef ALAC_CODEC_H
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#define ALAC_CODEC_H
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#include <stdint.h>
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#include "ALACAudioTypes.h"
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#define ALAC_FRAME_LENGTH 4096
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struct BitBuffer ;
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typedef struct alac_decoder_s
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{
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// decoding parameters (public for use in the analyzer)
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ALACSpecificConfig mConfig ;
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uint16_t mActiveElements ;
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// decoding buffers
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int32_t mMixBufferU [ALAC_FRAME_LENGTH] ;
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int32_t mMixBufferV [ALAC_FRAME_LENGTH] ;
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union
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{
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int32_t mPredictor [ALAC_FRAME_LENGTH] ;
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uint16_t mShiftBuffer [ALAC_FRAME_LENGTH] ;
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} u ;
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uint32_t mNumChannels ;
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} ALAC_DECODER ;
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typedef struct alac_encoder_s
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{
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// ALAC encoder parameters
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int16_t mBitDepth ;
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// encoding state
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int16_t mLastMixRes [kALACMaxChannels] ;
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int32_t mFastMode ;
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// encoding buffers
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int32_t mMixBufferU [ALAC_FRAME_LENGTH] ;
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int32_t mMixBufferV [ALAC_FRAME_LENGTH] ;
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int32_t mPredictorU [ALAC_FRAME_LENGTH] ;
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int32_t mPredictorV [ALAC_FRAME_LENGTH] ;
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uint16_t mShiftBufferUV [2 * ALAC_FRAME_LENGTH] ;
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uint8_t mWorkBuffer [4 * ALAC_FRAME_LENGTH] ;
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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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} ALAC_ENCODER ;
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int32_t alac_decoder_init (ALAC_DECODER *p, void * inMagicCookie, uint32_t inMagicCookieSize) ;
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int32_t alac_encoder_init (ALAC_ENCODER *p, uint32_t samplerate, uint32_t channels, uint32_t format_flags, uint32_t frameSize) ;
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int32_t alac_decode (ALAC_DECODER *, struct BitBuffer * bits, int32_t * sampleBuffer,
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uint32_t numSamples, uint32_t * outNumSamples) ;
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int32_t alac_encode (ALAC_ENCODER *p, uint32_t numSamples,
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const int32_t * theReadBuffer, unsigned char * theWriteBuffer,
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uint32_t * ioNumBytes) ;
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void alac_set_fastmode (ALAC_ENCODER * p, int32_t fast) ;
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uint32_t alac_get_magic_cookie_size (uint32_t inNumChannels) ;
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void alac_get_magic_cookie (ALAC_ENCODER *p, void * config, uint32_t * ioSize) ;
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void alac_get_source_format (ALAC_ENCODER *p, const AudioFormatDescription * source, AudioFormatDescription * output) ;
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#endif
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