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      1 /* libFLAC - Free Lossless Audio Codec library
      2  * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * - Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *
     11  * - Redistributions in binary form must reproduce the above copyright
     12  * notice, this list of conditions and the following disclaimer in the
     13  * documentation and/or other materials provided with the distribution.
     14  *
     15  * - Neither the name of the Xiph.org Foundation nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
     23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef FLAC__PROTECTED__STREAM_DECODER_H
     33 #define FLAC__PROTECTED__STREAM_DECODER_H
     34 
     35 #include "FLAC/stream_decoder.h"
     36 #if FLAC__HAS_OGG
     37 #include "private/ogg_decoder_aspect.h"
     38 #endif
     39 
     40 typedef struct FLAC__StreamDecoderProtected {
     41 	FLAC__StreamDecoderState state;
     42 	unsigned channels;
     43 	FLAC__ChannelAssignment channel_assignment;
     44 	unsigned bits_per_sample;
     45 	unsigned sample_rate; /* in Hz */
     46 	unsigned blocksize; /* in samples (per channel) */
     47 	FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */
     48 #if FLAC__HAS_OGG
     49 	FLAC__OggDecoderAspect ogg_decoder_aspect;
     50 #endif
     51 } FLAC__StreamDecoderProtected;
     52 
     53 /*
     54  * return the number of input bytes consumed
     55  */
     56 unsigned FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder);
     57 
     58 #endif
     59