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 119