ref: 070cd744a91204b53441f0bfa44a22a18290c88f
dir: /src/flac.h/
/*Copyright 2012-2013, Xiph.Org Foundation and contributors.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/
#include <stdio.h>
#if defined(HAVE_LIBFLAC)
# include <FLAC/stream_decoder.h>
# include <FLAC/metadata.h>
typedef struct flacfile flacfile;
struct flacfile {
FLAC__StreamDecoder *decoder;
oe_enc_opt *inopt;
short channels;
FILE *f;
const int *channel_permute;
unsigned char *oldbuf;
int bufpos;
int buflen;
float *block_buf;
opus_int32 block_buf_pos;
opus_int32 block_buf_len;
opus_int32 max_blocksize;
};
#endif
int flac_id(unsigned char *buf,int len);
int oggflac_id(unsigned char *buf,int len);
int flac_open(FILE *in,oe_enc_opt *opt,unsigned char *oldbuf,int buflen);
void flac_close(void *client_data);
static const int flac_no_permute_matrix[8] = {0,1,2,3,4,5,6,7};