1/* libFLAC - Free Lossless Audio Codec library
2 * Copyright (C) 2001-2009  Josh Coalson
3 * Copyright (C) 2011-2014  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
47typedef 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
67typedef 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
86typedef 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
119