src/flac/encode.h

   1 /* flac - Command-line FLAC encoder/decoder
   2  * Copyright (C) 2000-2009  Josh Coalson
   3  * Copyright (C) 2011-2013  Xiph.Org Foundation
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #ifndef flac__encode_h
  21 #define flac__encode_h
  22
  23 #if HAVE_CONFIG_H
  24 #  include <config.h>
  25 #endif
  26
  27 #include "FLAC/metadata.h"
  28 #include "foreign_metadata.h"
  29 #include "utils.h"
  30 #include "share/compat.h"
  31
  32 extern const int FLAC_ENCODE__DEFAULT_PADDING;
  33
  34 typedef enum {
  35         CST_BLOCKSIZE,
  36         CST_COMPRESSION_LEVEL,
  37         CST_DO_MID_SIDE,
  38         CST_LOOSE_MID_SIDE,
  39         CST_APODIZATION,
  40         CST_MAX_LPC_ORDER,
  41         CST_QLP_COEFF_PRECISION,
  42         CST_DO_QLP_COEFF_PREC_SEARCH,
  43         CST_DO_ESCAPE_CODING,
  44         CST_DO_EXHAUSTIVE_MODEL_SEARCH,
  45         CST_MIN_RESIDUAL_PARTITION_ORDER,
  46         CST_MAX_RESIDUAL_PARTITION_ORDER,
  47         CST_RICE_PARAMETER_SEARCH_DIST
  48 } compression_setting_type_t;
  49
  50 typedef struct {
  51         compression_setting_type_t type;
  52         union {
  53                 FLAC__bool t_bool;
  54                 unsigned t_unsigned;
  55                 const char *t_string;
  56         } value;
  57 } compression_setting_t;
  58
  59 typedef struct {
  60         utils__SkipUntilSpecification skip_specification;
  61         utils__SkipUntilSpecification until_specification;
  62         FLAC__bool verify;
  63 #if FLAC__HAS_OGG
  64         FLAC__bool use_ogg;
  65         long serial_number;
  66 #endif
  67         FLAC__bool lax;
  68         int padding;
  69         size_t num_compression_settings;
  70         compression_setting_t compression_settings[64];
  71         char *requested_seek_points;
  72         int num_requested_seek_points;
  73         const char *cuesheet_filename;
  74         FLAC__bool treat_warnings_as_errors;
  75         FLAC__bool continue_through_decode_errors; /* currently only obeyed when encoding from FLAC or Ogg FLAC */
  76         FLAC__bool cued_seekpoints;
  77         FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
  78
  79         /* options related to --replay-gain and --sector-align */
  80         FLAC__bool is_first_file;
  81         FLAC__bool is_last_file;
  82         FLAC__int32 **align_reservoir;
  83         unsigned *align_reservoir_samples;
  84         FLAC__bool replay_gain;
  85         FLAC__bool ignore_chunk_sizes;
  86         FLAC__bool sector_align;
  87
  88         FLAC__StreamMetadata *vorbis_comment;
  89         FLAC__StreamMetadata *pictures[64];
  90         unsigned num_pictures;
  91
  92         FileFormat format;
  93         union {
  94                 struct {
  95                         FLAC__bool is_big_endian;
  96                         FLAC__bool is_unsigned_samples;
  97                         unsigned channels;
  98                         unsigned bps;
  99                         unsigned sample_rate;
 100                 } raw;
 101                 struct {
 102                         foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */
 103                 } iff;
 104         } format_options;
 105
 106         struct {
 107                 FLAC__bool disable_constant_subframes;
 108                 FLAC__bool disable_fixed_subframes;
 109                 FLAC__bool disable_verbatim_subframes;
 110                 FLAC__bool do_md5;
 111         } debug;
 112 } encode_options_t;
 113
 114 int flac__encode_file(FILE *infile, FLAC__off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, encode_options_t options);
 115
 116 #endif