src/test_libFLAC/encoders.c

   1 /* test_libFLAC - Unit tester for libFLAC
   2  * Copyright (C) 2002-2009  Josh Coalson
   3  * Copyright (C) 2011-2016  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 #ifdef HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include <errno.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include "encoders.h"
  29 #include "FLAC/assert.h"
  30 #include "FLAC/stream_encoder.h"
  31 #include "share/grabbag.h"
  32 #include "share/compat.h"
  33 #include "test_libs_common/file_utils_flac.h"
  34 #include "test_libs_common/metadata_utils.h"
  35
  36 typedef enum {
  37         LAYER_STREAM = 0, /* FLAC__stream_encoder_init_[ogg_]stream() without seeking */
  38         LAYER_SEEKABLE_STREAM, /* FLAC__stream_encoder_init_[ogg_]stream() with seeking */
  39         LAYER_FILE, /* FLAC__stream_encoder_init_[ogg_]FILE() */
  40         LAYER_FILENAME /* FLAC__stream_encoder_init_[ogg_]file() */
  41 } Layer;
  42
  43 static const char * const LayerString[] = {
  44         "Stream",
  45         "Seekable Stream",
  46         "FILE*",
  47         "Filename"
  48 };
  49
  50 static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_;
  51 static FLAC__StreamMetadata *metadata_sequence_[] = { &vorbiscomment_, &padding_, &seektable_, &application1_, &application2_, &cuesheet_, &picture_, &unknown_ };
  52 static const uint32_t num_metadata_ = sizeof(metadata_sequence_) / sizeof(metadata_sequence_[0]);
  53
  54 static const char *flacfilename(FLAC__bool is_ogg)
  55 {
  56         return is_ogg? "metadata.oga" : "metadata.flac";
  57 }
  58
  59 static FLAC__bool die_(const char *msg)
  60 {
  61         printf("ERROR: %s\n", msg);
  62         return false;
  63 }
  64
  65 static FLAC__bool die_s_(const char *msg, const FLAC__StreamEncoder *encoder)
  66 {
  67         FLAC__StreamEncoderState state = FLAC__stream_encoder_get_state(encoder);
  68
  69         if(msg)
  70                 printf("FAILED, %s", msg);
  71         else
  72                 printf("FAILED");
  73
  74         printf(", state = %u (%s)\n", (uint32_t)state, FLAC__StreamEncoderStateString[state]);
  75         if(state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
  76                 FLAC__StreamDecoderState dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
  77                 printf("      verify decoder state = %u (%s)\n", (uint32_t)dstate, FLAC__StreamDecoderStateString[dstate]);
  78         }
  79
  80         return false;
  81 }
  82
  83 static void init_metadata_blocks_(void)
  84 {
  85         mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  86 }
  87
  88 static void free_metadata_blocks_(void)
  89 {
  90         mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  91 }
  92
  93 static FLAC__StreamEncoderReadStatus stream_encoder_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
  94 {
  95         FILE *f = (FILE*)client_data;
  96         (void)encoder;
  97         if(*bytes > 0) {
  98                 *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, f);
  99                 if(ferror(f))
 100                         return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
 101                 else if(*bytes == 0)
 102                         return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM;
 103                 else
 104                         return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE;
 105         }
 106         else
 107                 return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
 108 }
 109
 110 static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data)
 111 {
 112         FILE *f = (FILE*)client_data;
 113         (void)encoder, (void)samples, (void)current_frame;
 114         if(fwrite(buffer, 1, bytes, f) != bytes)
 115                 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
 116         else
 117                 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
 118 }
 119
 120 static FLAC__StreamEncoderSeekStatus stream_encoder_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
 121 {
 122         FILE *f = (FILE*)client_data;
 123         (void)encoder;
 124         if(fseeko(f, (long)absolute_byte_offset, SEEK_SET) < 0)
 125                 return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR;
 126         else
 127                 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
 128 }
 129
 130 static FLAC__StreamEncoderTellStatus stream_encoder_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
 131 {
 132         FILE *f = (FILE*)client_data;
 133         FLAC__off_t pos;
 134         (void)encoder;
 135         if((pos = ftello(f)) < 0)
 136                 return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR;
 137         else {
 138                 *absolute_byte_offset = (FLAC__uint64)pos;
 139                 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
 140         }
 141 }
 142
 143 static void stream_encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
 144 {
 145         (void)encoder, (void)metadata, (void)client_data;
 146 }
 147
 148 static void stream_encoder_progress_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data)
 149 {
 150         (void)encoder, (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate, (void)client_data;
 151 }
 152
 153 static FLAC__bool test_stream_encoder(Layer layer, FLAC__bool is_ogg)
 154 {
 155         FLAC__StreamEncoder *encoder;
 156         FLAC__StreamEncoderInitStatus init_status;
 157         FLAC__StreamEncoderState state;
 158         FLAC__StreamDecoderState dstate;
 159         FILE *file = 0;
 160         FLAC__int32 samples[1024];
 161         FLAC__int32 *samples_array[1];
 162         uint32_t i;
 163
 164         samples_array[0] = samples;
 165
 166         printf("\n+++ libFLAC unit test: FLAC__StreamEncoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC":"FLAC");
 167
 168         printf("testing FLAC__stream_encoder_new()... ");
 169         encoder = FLAC__stream_encoder_new();
 170         if(0 == encoder) {
 171                 printf("FAILED, returned NULL\n");
 172                 return false;
 173         }
 174         printf("OK\n");
 175
 176         if(is_ogg) {
 177                 printf("testing FLAC__stream_encoder_set_ogg_serial_number()... ");
 178                 if(!FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number))
 179                         return die_s_("returned false", encoder);
 180                 printf("OK\n");
 181         }
 182
 183         printf("testing FLAC__stream_encoder_set_verify()... ");
 184         if(!FLAC__stream_encoder_set_verify(encoder, true))
 185                 return die_s_("returned false", encoder);
 186         printf("OK\n");
 187
 188         printf("testing FLAC__stream_encoder_set_streamable_subset()... ");
 189         if(!FLAC__stream_encoder_set_streamable_subset(encoder, true))
 190                 return die_s_("returned false", encoder);
 191         printf("OK\n");
 192
 193         printf("testing FLAC__stream_encoder_set_channels()... ");
 194         if(!FLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels))
 195                 return die_s_("returned false", encoder);
 196         printf("OK\n");
 197
 198         printf("testing FLAC__stream_encoder_set_bits_per_sample()... ");
 199         if(!FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample))
 200                 return die_s_("returned false", encoder);
 201         printf("OK\n");
 202
 203         printf("testing FLAC__stream_encoder_set_sample_rate()... ");
 204         if(!FLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate))
 205                 return die_s_("returned false", encoder);
 206         printf("OK\n");
 207
 208         printf("testing FLAC__stream_encoder_set_compression_level()... ");
 209         if(!FLAC__stream_encoder_set_compression_level(encoder, (uint32_t)(-1)))
 210                 return die_s_("returned false", encoder);
 211         printf("OK\n");
 212
 213         printf("testing FLAC__stream_encoder_set_blocksize()... ");
 214         if(!FLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize))
 215                 return die_s_("returned false", encoder);
 216         printf("OK\n");
 217
 218         printf("testing FLAC__stream_encoder_set_do_mid_side_stereo()... ");
 219         if(!FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false))
 220                 return die_s_("returned false", encoder);
 221         printf("OK\n");
 222
 223         printf("testing FLAC__stream_encoder_set_loose_mid_side_stereo()... ");
 224         if(!FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false))
 225                 return die_s_("returned false", encoder);
 226         printf("OK\n");
 227
 228         printf("testing FLAC__stream_encoder_set_max_lpc_order()... ");
 229         if(!FLAC__stream_encoder_set_max_lpc_order(encoder, 0))
 230                 return die_s_("returned false", encoder);
 231         printf("OK\n");
 232
 233         printf("testing FLAC__stream_encoder_set_qlp_coeff_precision()... ");
 234         if(!FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0))
 235                 return die_s_("returned false", encoder);
 236         printf("OK\n");
 237
 238         printf("testing FLAC__stream_encoder_set_do_qlp_coeff_prec_search()... ");
 239         if(!FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false))
 240                 return die_s_("returned false", encoder);
 241         printf("OK\n");
 242
 243         printf("testing FLAC__stream_encoder_set_do_escape_coding()... ");
 244         if(!FLAC__stream_encoder_set_do_escape_coding(encoder, false))
 245                 return die_s_("returned false", encoder);
 246         printf("OK\n");
 247
 248         printf("testing FLAC__stream_encoder_set_do_exhaustive_model_search()... ");
 249         if(!FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false))
 250                 return die_s_("returned false", encoder);
 251         printf("OK\n");
 252
 253         printf("testing FLAC__stream_encoder_set_min_residual_partition_order()... ");
 254         if(!FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0))
 255                 return die_s_("returned false", encoder);
 256         printf("OK\n");
 257
 258         printf("testing FLAC__stream_encoder_set_max_residual_partition_order()... ");
 259         if(!FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0))
 260                 return die_s_("returned false", encoder);
 261         printf("OK\n");
 262
 263         printf("testing FLAC__stream_encoder_set_rice_parameter_search_dist()... ");
 264         if(!FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0))
 265                 return die_s_("returned false", encoder);
 266         printf("OK\n");
 267
 268         printf("testing FLAC__stream_encoder_set_total_samples_estimate()... ");
 269         if(!FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples))
 270                 return die_s_("returned false", encoder);
 271         printf("OK\n");
 272
 273         printf("testing FLAC__stream_encoder_set_metadata()... ");
 274         if(!FLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_))
 275                 return die_s_("returned false", encoder);
 276         printf("OK\n");
 277
 278         if(layer < LAYER_FILENAME) {
 279                 printf("opening file for FLAC output... ");
 280                 file = flac_fopen(flacfilename(is_ogg), "w+b");
 281                 if(0 == file) {
 282                         printf("ERROR (%s)\n", strerror(errno));
 283                         return false;
 284                 }
 285                 printf("OK\n");
 286         }
 287
 288         switch(layer) {
 289                 case LAYER_STREAM:
 290                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 291                         init_status = is_ogg?
 292                                 FLAC__stream_encoder_init_ogg_stream(encoder, /*read_callback=*/0, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/file) :
 293                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/file);
 294                         break;
 295                 case LAYER_SEEKABLE_STREAM:
 296                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 297                         init_status = is_ogg?
 298                                 FLAC__stream_encoder_init_ogg_stream(encoder, stream_encoder_read_callback_, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/file) :
 299                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/file);
 300                         break;
 301                 case LAYER_FILE:
 302                         printf("testing FLAC__stream_encoder_init_%sFILE()... ", is_ogg? "ogg_":"");
 303                         init_status = is_ogg?
 304                                 FLAC__stream_encoder_init_ogg_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0) :
 305                                 FLAC__stream_encoder_init_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0);
 306                         break;
 307                 case LAYER_FILENAME:
 308                         printf("testing FLAC__stream_encoder_init_%sfile()... ", is_ogg? "ogg_":"");
 309                         init_status = is_ogg?
 310                                 FLAC__stream_encoder_init_ogg_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0) :
 311                                 FLAC__stream_encoder_init_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0);
 312                         break;
 313                 default:
 314                         die_("internal error 001");
 315                         return false;
 316         }
 317         if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
 318                 return die_s_(0, encoder);
 319         printf("OK\n");
 320
 321         printf("testing FLAC__stream_encoder_get_state()... ");
 322         state = FLAC__stream_encoder_get_state(encoder);
 323         printf("returned state = %u (%s)... OK\n", (uint32_t)state, FLAC__StreamEncoderStateString[state]);
 324
 325         printf("testing FLAC__stream_encoder_get_verify_decoder_state()... ");
 326         dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
 327         printf("returned state = %u (%s)... OK\n", (uint32_t)dstate, FLAC__StreamDecoderStateString[dstate]);
 328
 329         {
 330                 FLAC__uint64 absolute_sample;
 331                 uint32_t frame_number;
 332                 uint32_t channel;
 333                 uint32_t sample;
 334                 FLAC__int32 expected;
 335                 FLAC__int32 got;
 336
 337                 printf("testing FLAC__stream_encoder_get_verify_decoder_error_stats()... ");
 338                 FLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
 339                 printf("OK\n");
 340         }
 341
 342         printf("testing FLAC__stream_encoder_get_verify()... ");
 343         if(FLAC__stream_encoder_get_verify(encoder) != true) {
 344                 printf("FAILED, expected true, got false\n");
 345                 return false;
 346         }
 347         printf("OK\n");
 348
 349         printf("testing FLAC__stream_encoder_get_streamable_subset()... ");
 350         if(FLAC__stream_encoder_get_streamable_subset(encoder) != true) {
 351                 printf("FAILED, expected true, got false\n");
 352                 return false;
 353         }
 354         printf("OK\n");
 355
 356         printf("testing FLAC__stream_encoder_get_do_mid_side_stereo()... ");
 357         if(FLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) {
 358                 printf("FAILED, expected false, got true\n");
 359                 return false;
 360         }
 361         printf("OK\n");
 362
 363         printf("testing FLAC__stream_encoder_get_loose_mid_side_stereo()... ");
 364         if(FLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) {
 365                 printf("FAILED, expected false, got true\n");
 366                 return false;
 367         }
 368         printf("OK\n");
 369
 370         printf("testing FLAC__stream_encoder_get_channels()... ");
 371         if(FLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) {
 372                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, FLAC__stream_encoder_get_channels(encoder));
 373                 return false;
 374         }
 375         printf("OK\n");
 376
 377         printf("testing FLAC__stream_encoder_get_bits_per_sample()... ");
 378         if(FLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) {
 379                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, FLAC__stream_encoder_get_bits_per_sample(encoder));
 380                 return false;
 381         }
 382         printf("OK\n");
 383
 384         printf("testing FLAC__stream_encoder_get_sample_rate()... ");
 385         if(FLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) {
 386                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, FLAC__stream_encoder_get_sample_rate(encoder));
 387                 return false;
 388         }
 389         printf("OK\n");
 390
 391         printf("testing FLAC__stream_encoder_get_blocksize()... ");
 392         if(FLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) {
 393                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, FLAC__stream_encoder_get_blocksize(encoder));
 394                 return false;
 395         }
 396         printf("OK\n");
 397
 398         printf("testing FLAC__stream_encoder_get_max_lpc_order()... ");
 399         if(FLAC__stream_encoder_get_max_lpc_order(encoder) != 0) {
 400                 printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_max_lpc_order(encoder));
 401                 return false;
 402         }
 403         printf("OK\n");
 404
 405         printf("testing FLAC__stream_encoder_get_qlp_coeff_precision()... ");
 406         (void)FLAC__stream_encoder_get_qlp_coeff_precision(encoder);
 407         /* we asked the encoder to auto select this so we accept anything */
 408         printf("OK\n");
 409
 410         printf("testing FLAC__stream_encoder_get_do_qlp_coeff_prec_search()... ");
 411         if(FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) {
 412                 printf("FAILED, expected false, got true\n");
 413                 return false;
 414         }
 415         printf("OK\n");
 416
 417         printf("testing FLAC__stream_encoder_get_do_escape_coding()... ");
 418         if(FLAC__stream_encoder_get_do_escape_coding(encoder) != false) {
 419                 printf("FAILED, expected false, got true\n");
 420                 return false;
 421         }
 422         printf("OK\n");
 423
 424         printf("testing FLAC__stream_encoder_get_do_exhaustive_model_search()... ");
 425         if(FLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) {
 426                 printf("FAILED, expected false, got true\n");
 427                 return false;
 428         }
 429         printf("OK\n");
 430
 431         printf("testing FLAC__stream_encoder_get_min_residual_partition_order()... ");
 432         if(FLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) {
 433                 printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_min_residual_partition_order(encoder));
 434                 return false;
 435         }
 436         printf("OK\n");
 437
 438         printf("testing FLAC__stream_encoder_get_max_residual_partition_order()... ");
 439         if(FLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) {
 440                 printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_max_residual_partition_order(encoder));
 441                 return false;
 442         }
 443         printf("OK\n");
 444
 445         printf("testing FLAC__stream_encoder_get_rice_parameter_search_dist()... ");
 446         if(FLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) {
 447                 printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_rice_parameter_search_dist(encoder));
 448                 return false;
 449         }
 450         printf("OK\n");
 451
 452         printf("testing FLAC__stream_encoder_get_total_samples_estimate()... ");
 453         if(FLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) {
 454                 printf("FAILED, expected %" PRIu64 ", got %" PRIu64 "\n", streaminfo_.data.stream_info.total_samples, FLAC__stream_encoder_get_total_samples_estimate(encoder));
 455                 return false;
 456         }
 457         printf("OK\n");
 458
 459         /* init the dummy sample buffer */
 460         for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
 461                 samples[i] = i & 7;
 462
 463         printf("testing FLAC__stream_encoder_process()... ");
 464         if(!FLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32)))
 465                 return die_s_("returned false", encoder);
 466         printf("OK\n");
 467
 468         printf("testing FLAC__stream_encoder_process_interleaved()... ");
 469         if(!FLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32)))
 470                 return die_s_("returned false", encoder);
 471         printf("OK\n");
 472
 473         printf("testing FLAC__stream_encoder_finish()... ");
 474         if(!FLAC__stream_encoder_finish(encoder))
 475                 return die_s_("returned false", encoder);
 476         printf("OK\n");
 477
 478         if(layer < LAYER_FILE)
 479                 fclose(file);
 480
 481         printf("testing FLAC__stream_encoder_delete()... ");
 482         FLAC__stream_encoder_delete(encoder);
 483         printf("OK\n");
 484
 485         printf("\nPASSED!\n");
 486
 487         return true;
 488 }
 489
 490 FLAC__bool test_encoders(void)
 491 {
 492         FLAC__bool is_ogg = false;
 493
 494         while(1) {
 495                 init_metadata_blocks_();
 496
 497                 if(!test_stream_encoder(LAYER_STREAM, is_ogg))
 498                         return false;
 499
 500                 if(!test_stream_encoder(LAYER_SEEKABLE_STREAM, is_ogg))
 501                         return false;
 502
 503                 if(!test_stream_encoder(LAYER_FILE, is_ogg))
 504                         return false;
 505
 506                 if(!test_stream_encoder(LAYER_FILENAME, is_ogg))
 507                         return false;
 508
 509                 (void) grabbag__file_remove_file(flacfilename(is_ogg));
 510
 511                 free_metadata_blocks_();
 512
 513                 if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg)
 514                         break;
 515                 is_ogg = true;
 516         }
 517
 518         return true;
 519 }