src/libFLAC/include/protected/stream_encoder.h

   1 /* libFLAC - Free Lossless Audio Codec library
   2  * Copyright (C) 2001,2002,2003,2004,2005  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_ENCODER_H
  33 #define FLAC__PROTECTED__STREAM_ENCODER_H
  34
  35 #include "FLAC/stream_encoder.h"
  36
  37 #ifndef FLAC__INTEGER_ONLY_LIBRARY
  38
  39 #include "private/float.h"
  40
  41 #define FLAC__MAX_APODIZATION_FUNCTIONS 32
  42
  43 typedef enum {
  44         FLAC__APODIZATION_BARTLETT,
  45         FLAC__APODIZATION_BARTLETT_HANN,
  46         FLAC__APODIZATION_BLACKMAN,
  47         FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
  48         FLAC__APODIZATION_CONNES,
  49         FLAC__APODIZATION_FLATTOP,
  50         FLAC__APODIZATION_GAUSS,
  51         FLAC__APODIZATION_HAMMING,
  52         FLAC__APODIZATION_HANN,
  53         FLAC__APODIZATION_KAISER_BESSEL,
  54         FLAC__APODIZATION_NUTTALL,
  55         FLAC__APODIZATION_RECTANGLE,
  56         FLAC__APODIZATION_TRIANGLE,
  57         FLAC__APODIZATION_TUKEY,
  58         FLAC__APODIZATION_WELCH
  59 } FLAC__ApodizationFunction;
  60
  61 typedef struct {
  62         FLAC__ApodizationFunction type;
  63         union {
  64                 struct {
  65                         FLAC__real stddev;
  66                 } gauss;
  67                 struct {
  68                         FLAC__real p;
  69                 } tukey;
  70         } parameters;
  71 } FLAC__ApodizationSpecification;
  72
  73 #endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
  74
  75 typedef struct FLAC__StreamEncoderProtected {
  76         FLAC__StreamEncoderState state;
  77         FLAC__bool verify;
  78         FLAC__bool streamable_subset;
  79         FLAC__bool do_mid_side_stereo;
  80         FLAC__bool loose_mid_side_stereo;
  81         unsigned channels;
  82         unsigned bits_per_sample;
  83         unsigned sample_rate;
  84         unsigned blocksize;
  85 #ifndef FLAC__INTEGER_ONLY_LIBRARY
  86         unsigned num_apodizations;
  87         FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
  88 #endif
  89         unsigned max_lpc_order;
  90         unsigned qlp_coeff_precision;
  91         FLAC__bool do_qlp_coeff_prec_search;
  92         FLAC__bool do_exhaustive_model_search;
  93         FLAC__bool do_escape_coding;
  94         unsigned min_residual_partition_order;
  95         unsigned max_residual_partition_order;
  96         unsigned rice_parameter_search_dist;
  97         FLAC__uint64 total_samples_estimate;
  98         FLAC__StreamMetadata **metadata;
  99         unsigned num_metadata_blocks;
 100 } FLAC__StreamEncoderProtected;
 101
 102 #endif