deps/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h

   1 /* libFLAC - Free Lossless Audio Codec library
   2  * Copyright (C) 2001-2009  Josh Coalson
   3  * Copyright (C) 2011-2016  Xiph.Org Foundation
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *
  12  * - Redistributions in binary form must reproduce the above copyright
  13  * notice, this list of conditions and the following disclaimer in the
  14  * documentation and/or other materials provided with the distribution.
  15  *
  16  * - Neither the name of the Xiph.org Foundation nor the names of its
  17  * contributors may be used to endorse or promote products derived from
  18  * this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
  24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef FLAC__PROTECTED__STREAM_ENCODER_H
  34 #define FLAC__PROTECTED__STREAM_ENCODER_H
  35
  36 #include "FLAC/stream_encoder.h"
  37 #if FLAC__HAS_OGG
  38 #include "private/ogg_encoder_aspect.h"
  39 #endif
  40
  41 #ifndef FLAC__INTEGER_ONLY_LIBRARY
  42
  43 #include "private/float.h"
  44
  45 #define FLAC__MAX_APODIZATION_FUNCTIONS 32
  46
  47 typedef enum {
  48         FLAC__APODIZATION_BARTLETT,
  49         FLAC__APODIZATION_BARTLETT_HANN,
  50         FLAC__APODIZATION_BLACKMAN,
  51         FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
  52         FLAC__APODIZATION_CONNES,
  53         FLAC__APODIZATION_FLATTOP,
  54         FLAC__APODIZATION_GAUSS,
  55         FLAC__APODIZATION_HAMMING,
  56         FLAC__APODIZATION_HANN,
  57         FLAC__APODIZATION_KAISER_BESSEL,
  58         FLAC__APODIZATION_NUTTALL,
  59         FLAC__APODIZATION_RECTANGLE,
  60         FLAC__APODIZATION_TRIANGLE,
  61         FLAC__APODIZATION_TUKEY,
  62         FLAC__APODIZATION_PARTIAL_TUKEY,
  63         FLAC__APODIZATION_PUNCHOUT_TUKEY,
  64         FLAC__APODIZATION_WELCH
  65 } FLAC__ApodizationFunction;
  66
  67 typedef struct {
  68         FLAC__ApodizationFunction type;
  69         union {
  70                 struct {
  71                         FLAC__real stddev;
  72                 } gauss;
  73                 struct {
  74                         FLAC__real p;
  75                 } tukey;
  76                 struct {
  77                         FLAC__real p;
  78                         FLAC__real start;
  79                         FLAC__real end;
  80                 } multiple_tukey;
  81         } parameters;
  82 } FLAC__ApodizationSpecification;
  83
  84 #endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
  85
  86 typedef struct FLAC__StreamEncoderProtected {
  87         FLAC__StreamEncoderState state;
  88         FLAC__bool verify;
  89         FLAC__bool streamable_subset;
  90         FLAC__bool do_md5;
  91         FLAC__bool do_mid_side_stereo;
  92         FLAC__bool loose_mid_side_stereo;
  93         unsigned channels;
  94         unsigned bits_per_sample;
  95         unsigned sample_rate;
  96         unsigned blocksize;
  97 #ifndef FLAC__INTEGER_ONLY_LIBRARY
  98         unsigned num_apodizations;
  99         FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
 100 #endif
 101         unsigned max_lpc_order;
 102         unsigned qlp_coeff_precision;
 103         FLAC__bool do_qlp_coeff_prec_search;
 104         FLAC__bool do_exhaustive_model_search;
 105         FLAC__bool do_escape_coding;
 106         unsigned min_residual_partition_order;
 107         unsigned max_residual_partition_order;
 108         unsigned rice_parameter_search_dist;
 109         FLAC__uint64 total_samples_estimate;
 110         FLAC__StreamMetadata **metadata;
 111         unsigned num_metadata_blocks;
 112         FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset;
 113 #if FLAC__HAS_OGG
 114         FLAC__OggEncoderAspect ogg_encoder_aspect;
 115 #endif
 116 } FLAC__StreamEncoderProtected;
 117
 118 #endif