stream_decoder.h

00001 /* libFLAC - Free Lossless Audio Codec library
00002  * Copyright (C) 2000-2009  Josh Coalson
00003  * Copyright (C) 2011-2014  Xiph.Org Foundation
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  * notice, this list of conditions and the following disclaimer.
00011  *
00012  * - Redistributions in binary form must reproduce the above copyright
00013  * notice, this list of conditions and the following disclaimer in the
00014  * documentation and/or other materials provided with the distribution.
00015  *
00016  * - Neither the name of the Xiph.org Foundation nor the names of its
00017  * contributors may be used to endorse or promote products derived from
00018  * this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
00023  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
00024  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00025  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00026  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031  */
00032 
00033 #ifndef FLAC__PROTECTED__STREAM_DECODER_H
00034 #define FLAC__PROTECTED__STREAM_DECODER_H
00035 
00036 #include "FLAC/stream_decoder.h"
00037 #if FLAC__HAS_OGG
00038 #include "private/ogg_decoder_aspect.h"
00039 #endif
00040 
00041 typedef struct FLAC__StreamDecoderProtected {
00042     FLAC__StreamDecoderState state;
00043     FLAC__StreamDecoderInitStatus initstate;
00044     unsigned channels;
00045     FLAC__ChannelAssignment channel_assignment;
00046     unsigned bits_per_sample;
00047     unsigned sample_rate; /* in Hz */
00048     unsigned blocksize; /* in samples (per channel) */
00049     FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */
00050 #if FLAC__HAS_OGG
00051     FLAC__OggDecoderAspect ogg_decoder_aspect;
00052 #endif
00053 } FLAC__StreamDecoderProtected;
00054 
00055 /*
00056  * return the number of input bytes consumed
00057  */
00058 unsigned FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder);
00059 
00060 #endif