1 /* libFLAC - Free Lossless Audio Codec library 2 * Copyright (C) 2001-2009 Josh Coalson 3 * Copyright (C) 2011-2022 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_SUBDIVIDE_TUKEY, 65 FLAC__APODIZATION_WELCH 66 } FLAC__ApodizationFunction; 67 68 typedef struct { 69 FLAC__ApodizationFunction type; 70 union { 71 struct { 72 FLAC__real stddev; 73 } gauss; 74 struct { 75 FLAC__real p; 76 } tukey; 77 struct { 78 FLAC__real p; 79 FLAC__real start; 80 FLAC__real end; 81 } multiple_tukey; 82 struct { 83 FLAC__real p; 84 FLAC__int32 parts; 85 } subdivide_tukey; 86 } parameters; 87 } FLAC__ApodizationSpecification; 88 89 #endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY 90 91 typedef struct FLAC__StreamEncoderProtected { 92 FLAC__StreamEncoderState state; 93 FLAC__bool verify; 94 FLAC__bool streamable_subset; 95 FLAC__bool do_md5; 96 FLAC__bool do_mid_side_stereo; 97 FLAC__bool loose_mid_side_stereo; 98 uint32_t channels; 99 uint32_t bits_per_sample; 100 uint32_t sample_rate; 101 uint32_t blocksize; 102 #ifndef FLAC__INTEGER_ONLY_LIBRARY 103 uint32_t num_apodizations; 104 FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS]; 105 #endif 106 uint32_t max_lpc_order; 107 uint32_t qlp_coeff_precision; 108 FLAC__bool do_qlp_coeff_prec_search; 109 FLAC__bool do_exhaustive_model_search; 110 FLAC__bool do_escape_coding; 111 uint32_t min_residual_partition_order; 112 uint32_t max_residual_partition_order; 113 uint32_t rice_parameter_search_dist; 114 FLAC__uint64 total_samples_estimate; 115 FLAC__bool limit_min_bitrate; 116 FLAC__StreamMetadata **metadata; 117 uint32_t num_metadata_blocks; 118 FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset; 119 #if FLAC__HAS_OGG 120 FLAC__OggEncoderAspect ogg_encoder_aspect; 121 #endif 122 } FLAC__StreamEncoderProtected; 123 124 #endif 125