| 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 |