1/* libFLAC - Free Lossless Audio Codec library
2 * Copyright (C) 2001,2002,2003,2004,2005,2006,2007  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#if FLAC__HAS_OGG
37#include "private/ogg_encoder_aspect.h"
38#endif
39
40#ifndef FLAC__INTEGER_ONLY_LIBRARY
41
42#include "private/float.h"
43
44#define FLAC__MAX_APODIZATION_FUNCTIONS 32
45
46typedef enum {
47	FLAC__APODIZATION_BARTLETT,
48	FLAC__APODIZATION_BARTLETT_HANN,
49	FLAC__APODIZATION_BLACKMAN,
50	FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
51	FLAC__APODIZATION_CONNES,
52	FLAC__APODIZATION_FLATTOP,
53	FLAC__APODIZATION_GAUSS,
54	FLAC__APODIZATION_HAMMING,
55	FLAC__APODIZATION_HANN,
56	FLAC__APODIZATION_KAISER_BESSEL,
57	FLAC__APODIZATION_NUTTALL,
58	FLAC__APODIZATION_RECTANGLE,
59	FLAC__APODIZATION_TRIANGLE,
60	FLAC__APODIZATION_TUKEY,
61	FLAC__APODIZATION_WELCH
62} FLAC__ApodizationFunction;
63
64typedef struct {
65	FLAC__ApodizationFunction type;
66	union {
67		struct {
68			FLAC__real stddev;
69		} gauss;
70		struct {
71			FLAC__real p;
72		} tukey;
73	} parameters;
74} FLAC__ApodizationSpecification;
75
76#endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
77
78typedef struct FLAC__StreamEncoderProtected {
79	FLAC__StreamEncoderState state;
80	FLAC__bool verify;
81	FLAC__bool streamable_subset;
82	FLAC__bool do_md5;
83	FLAC__bool do_mid_side_stereo;
84	FLAC__bool loose_mid_side_stereo;
85	unsigned channels;
86	unsigned bits_per_sample;
87	unsigned sample_rate;
88	unsigned blocksize;
89#ifndef FLAC__INTEGER_ONLY_LIBRARY
90	unsigned num_apodizations;
91	FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
92#endif
93	unsigned max_lpc_order;
94	unsigned qlp_coeff_precision;
95	FLAC__bool do_qlp_coeff_prec_search;
96	FLAC__bool do_exhaustive_model_search;
97	FLAC__bool do_escape_coding;
98	unsigned min_residual_partition_order;
99	unsigned max_residual_partition_order;
100	unsigned rice_parameter_search_dist;
101	FLAC__uint64 total_samples_estimate;
102	FLAC__StreamMetadata **metadata;
103	unsigned num_metadata_blocks;
104	FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset;
105#if FLAC__HAS_OGG
106	FLAC__OggEncoderAspect ogg_encoder_aspect;
107#endif
108} FLAC__StreamEncoderProtected;
109
110#endif
111