src/libFLAC++/stream_encoder.cpp

   1 /* libFLAC++ - Free Lossless Audio Codec library
   2  * Copyright (C) 2002,2003  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 #include "FLAC++/encoder.h"
  33 #include "FLAC/assert.h"
  34
  35 namespace FLAC {
  36         namespace Encoder {
  37
  38                 Stream::Stream():
  39                 encoder_(::FLAC__stream_encoder_new())
  40                 { }
  41
  42                 Stream::~Stream()
  43                 {
  44                         if(0 != encoder_) {
  45                                 ::FLAC__stream_encoder_finish(encoder_);
  46                                 ::FLAC__stream_encoder_delete(encoder_);
  47                         }
  48                 }
  49
  50                 bool Stream::is_valid() const
  51                 {
  52                         return 0 != encoder_;
  53                 }
  54
  55                 bool Stream::set_verify(bool value)
  56                 {
  57                         FLAC__ASSERT(is_valid());
  58                         return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
  59                 }
  60
  61                 bool Stream::set_streamable_subset(bool value)
  62                 {
  63                         FLAC__ASSERT(is_valid());
  64                         return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
  65                 }
  66
  67                 bool Stream::set_do_mid_side_stereo(bool value)
  68                 {
  69                         FLAC__ASSERT(is_valid());
  70                         return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
  71                 }
  72
  73                 bool Stream::set_loose_mid_side_stereo(bool value)
  74                 {
  75                         FLAC__ASSERT(is_valid());
  76                         return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
  77                 }
  78
  79                 bool Stream::set_channels(unsigned value)
  80                 {
  81                         FLAC__ASSERT(is_valid());
  82                         return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
  83                 }
  84
  85                 bool Stream::set_bits_per_sample(unsigned value)
  86                 {
  87                         FLAC__ASSERT(is_valid());
  88                         return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
  89                 }
  90
  91                 bool Stream::set_sample_rate(unsigned value)
  92                 {
  93                         FLAC__ASSERT(is_valid());
  94                         return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
  95                 }
  96
  97                 bool Stream::set_blocksize(unsigned value)
  98                 {
  99                         FLAC__ASSERT(is_valid());
 100                         return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
 101                 }
 102
 103                 bool Stream::set_max_lpc_order(unsigned value)
 104                 {
 105                         FLAC__ASSERT(is_valid());
 106                         return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
 107                 }
 108
 109                 bool Stream::set_qlp_coeff_precision(unsigned value)
 110                 {
 111                         FLAC__ASSERT(is_valid());
 112                         return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
 113                 }
 114
 115                 bool Stream::set_do_qlp_coeff_prec_search(bool value)
 116                 {
 117                         FLAC__ASSERT(is_valid());
 118                         return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
 119                 }
 120
 121                 bool Stream::set_do_escape_coding(bool value)
 122                 {
 123                         FLAC__ASSERT(is_valid());
 124                         return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
 125                 }
 126
 127                 bool Stream::set_do_exhaustive_model_search(bool value)
 128                 {
 129                         FLAC__ASSERT(is_valid());
 130                         return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
 131                 }
 132
 133                 bool Stream::set_min_residual_partition_order(unsigned value)
 134                 {
 135                         FLAC__ASSERT(is_valid());
 136                         return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
 137                 }
 138
 139                 bool Stream::set_max_residual_partition_order(unsigned value)
 140                 {
 141                         FLAC__ASSERT(is_valid());
 142                         return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
 143                 }
 144
 145                 bool Stream::set_rice_parameter_search_dist(unsigned value)
 146                 {
 147                         FLAC__ASSERT(is_valid());
 148                         return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
 149                 }
 150
 151                 bool Stream::set_total_samples_estimate(FLAC__uint64 value)
 152                 {
 153                         FLAC__ASSERT(is_valid());
 154                         return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
 155                 }
 156
 157                 bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
 158                 {
 159                         FLAC__ASSERT(is_valid());
 160                         return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
 161                 }
 162
 163                 Stream::State Stream::get_state() const
 164                 {
 165                         FLAC__ASSERT(is_valid());
 166                         return State(::FLAC__stream_encoder_get_state(encoder_));
 167                 }
 168
 169                 Decoder::Stream::State Stream::get_verify_decoder_state() const
 170                 {
 171                         FLAC__ASSERT(is_valid());
 172                         return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
 173                 }
 174
 175                 void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
 176                 {
 177                         FLAC__ASSERT(is_valid());
 178                         ::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
 179                 }
 180
 181                 bool Stream::get_verify() const
 182                 {
 183                         FLAC__ASSERT(is_valid());
 184                         return (bool)::FLAC__stream_encoder_get_verify(encoder_);
 185                 }
 186
 187                 bool Stream::get_streamable_subset() const
 188                 {
 189                         FLAC__ASSERT(is_valid());
 190                         return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
 191                 }
 192
 193                 bool Stream::get_do_mid_side_stereo() const
 194                 {
 195                         FLAC__ASSERT(is_valid());
 196                         return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
 197                 }
 198
 199                 bool Stream::get_loose_mid_side_stereo() const
 200                 {
 201                         FLAC__ASSERT(is_valid());
 202                         return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
 203                 }
 204
 205                 unsigned Stream::get_channels() const
 206                 {
 207                         FLAC__ASSERT(is_valid());
 208                         return ::FLAC__stream_encoder_get_channels(encoder_);
 209                 }
 210
 211                 unsigned Stream::get_bits_per_sample() const
 212                 {
 213                         FLAC__ASSERT(is_valid());
 214                         return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
 215                 }
 216
 217                 unsigned Stream::get_sample_rate() const
 218                 {
 219                         FLAC__ASSERT(is_valid());
 220                         return ::FLAC__stream_encoder_get_sample_rate(encoder_);
 221                 }
 222
 223                 unsigned Stream::get_blocksize() const
 224                 {
 225                         FLAC__ASSERT(is_valid());
 226                         return ::FLAC__stream_encoder_get_blocksize(encoder_);
 227                 }
 228
 229                 unsigned Stream::get_max_lpc_order() const
 230                 {
 231                         FLAC__ASSERT(is_valid());
 232                         return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
 233                 }
 234
 235                 unsigned Stream::get_qlp_coeff_precision() const
 236                 {
 237                         FLAC__ASSERT(is_valid());
 238                         return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
 239                 }
 240
 241                 bool Stream::get_do_qlp_coeff_prec_search() const
 242                 {
 243                         FLAC__ASSERT(is_valid());
 244                         return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
 245                 }
 246
 247                 bool Stream::get_do_escape_coding() const
 248                 {
 249                         FLAC__ASSERT(is_valid());
 250                         return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
 251                 }
 252
 253                 bool Stream::get_do_exhaustive_model_search() const
 254                 {
 255                         FLAC__ASSERT(is_valid());
 256                         return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
 257                 }
 258
 259                 unsigned Stream::get_min_residual_partition_order() const
 260                 {
 261                         FLAC__ASSERT(is_valid());
 262                         return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
 263                 }
 264
 265                 unsigned Stream::get_max_residual_partition_order() const
 266                 {
 267                         FLAC__ASSERT(is_valid());
 268                         return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
 269                 }
 270
 271                 unsigned Stream::get_rice_parameter_search_dist() const
 272                 {
 273                         FLAC__ASSERT(is_valid());
 274                         return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
 275                 }
 276
 277                 FLAC__uint64 Stream::get_total_samples_estimate() const
 278                 {
 279                         FLAC__ASSERT(is_valid());
 280                         return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
 281                 }
 282
 283                 Stream::State Stream::init()
 284                 {
 285                         FLAC__ASSERT(is_valid());
 286                         ::FLAC__stream_encoder_set_write_callback(encoder_, write_callback_);
 287                         ::FLAC__stream_encoder_set_metadata_callback(encoder_, metadata_callback_);
 288                         ::FLAC__stream_encoder_set_client_data(encoder_, (void*)this);
 289                         return State(::FLAC__stream_encoder_init(encoder_));
 290                 }
 291
 292                 void Stream::finish()
 293                 {
 294                         FLAC__ASSERT(is_valid());
 295                         ::FLAC__stream_encoder_finish(encoder_);
 296                 }
 297
 298                 bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
 299                 {
 300                         FLAC__ASSERT(is_valid());
 301                         return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
 302                 }
 303
 304                 bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
 305                 {
 306                         FLAC__ASSERT(is_valid());
 307                         return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
 308                 }
 309
 310                 ::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
 311                 {
 312                         (void)encoder;
 313                         FLAC__ASSERT(0 != client_data);
 314                         Stream *instance = reinterpret_cast<Stream *>(client_data);
 315                         FLAC__ASSERT(0 != instance);
 316                         return instance->write_callback(buffer, bytes, samples, current_frame);
 317                 }
 318
 319                 void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
 320                 {
 321                         (void)encoder;
 322                         FLAC__ASSERT(0 != client_data);
 323                         Stream *instance = reinterpret_cast<Stream *>(client_data);
 324                         FLAC__ASSERT(0 != instance);
 325                         instance->metadata_callback(metadata);
 326                 }
 327
 328         };
 329 };