src/test_libFLAC/encoders.c

   1 /* test_libFLAC - Unit tester for libFLAC
   2  * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009  Josh Coalson
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #if HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <errno.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include "encoders.h"
  28 #include "FLAC/assert.h"
  29 #include "FLAC/stream_encoder.h"
  30 #include "share/grabbag.h"
  31 #include "share/compat.h"
  32 #include "test_libs_common/file_utils_flac.h"
  33 #include "test_libs_common/metadata_utils.h"
  34
  35 typedef enum {
  36         LAYER_STREAM = 0, /* FLAC__stream_encoder_init_[ogg_]stream() without seeking */
  37         LAYER_SEEKABLE_STREAM, /* FLAC__stream_encoder_init_[ogg_]stream() with seeking */
  38         LAYER_FILE, /* FLAC__stream_encoder_init_[ogg_]FILE() */
  39         LAYER_FILENAME /* FLAC__stream_encoder_init_[ogg_]file() */
  40 } Layer;
  41
  42 static const char * const LayerString[] = {
  43         "Stream",
  44         "Seekable Stream",
  45         "FILE*",
  46         "Filename"
  47 };
  48
  49 static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_;
  50 static FLAC__StreamMetadata *metadata_sequence_[] = { &vorbiscomment_, &padding_, &seektable_, &application1_, &application2_, &cuesheet_, &picture_, &unknown_ };
  51 static const unsigned num_metadata_ = sizeof(metadata_sequence_) / sizeof(metadata_sequence_[0]);
  52
  53 static const char *flacfilename(FLAC__bool is_ogg)
  54 {
  55         return is_ogg? "metadata.oga" : "metadata.flac";
  56 }
  57
  58 static FLAC__bool die_(const char *msg)
  59 {
  60         printf("ERROR: %s\n", msg);
  61         return false;
  62 }
  63
  64 static FLAC__bool die_s_(const char *msg, const FLAC__StreamEncoder *encoder)
  65 {
  66         FLAC__StreamEncoderState state = FLAC__stream_encoder_get_state(encoder);
  67
  68         if(msg)
  69                 printf("FAILED, %s", msg);
  70         else
  71                 printf("FAILED");
  72
  73         printf(", state = %u (%s)\n", (unsigned)state, FLAC__StreamEncoderStateString[state]);
  74         if(state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
  75                 FLAC__StreamDecoderState dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
  76                 printf("      verify decoder state = %u (%s)\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
  77         }
  78
  79         return false;
  80 }
  81
  82 static void init_metadata_blocks_(void)
  83 {
  84         mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  85 }
  86
  87 static void free_metadata_blocks_(void)
  88 {
  89         mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  90 }
  91
  92 static FLAC__StreamEncoderReadStatus stream_encoder_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
  93 {
  94         FILE *f = (FILE*)client_data;
  95         (void)encoder;
  96         if(*bytes > 0) {
  97                 *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, f);
  98                 if(ferror(f))
  99                         return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
 100                 else if(*bytes == 0)
 101                         return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM;
 102                 else
 103                         return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE;
 104         }
 105         else
 106                 return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
 107 }
 108
 109 static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
 110 {
 111         FILE *f = (FILE*)client_data;
 112         (void)encoder, (void)samples, (void)current_frame;
 113         if(fwrite(buffer, 1, bytes, f) != bytes)
 114                 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
 115         else
 116                 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
 117 }
 118
 119 static FLAC__StreamEncoderSeekStatus stream_encoder_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
 120 {
 121         FILE *f = (FILE*)client_data;
 122         (void)encoder;
 123         if(fseeko(f, (long)absolute_byte_offset, SEEK_SET) < 0)
 124                 return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR;
 125         else
 126                 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
 127 }
 128
 129 static FLAC__StreamEncoderTellStatus stream_encoder_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
 130 {
 131         FILE *f = (FILE*)client_data;
 132         FLAC__off_t pos;
 133         (void)encoder;
 134         if((pos = ftello(f)) < 0)
 135                 return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR;
 136         else {
 137                 *absolute_byte_offset = (FLAC__uint64)pos;
 138                 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
 139         }
 140 }
 141
 142 static void stream_encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
 143 {
 144         (void)encoder, (void)metadata, (void)client_data;
 145 }
 146
 147 static void stream_encoder_progress_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
 148 {
 149         (void)encoder, (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate, (void)client_data;
 150 }
 151
 152 static FLAC__bool test_stream_encoder(Layer layer, FLAC__bool is_ogg)
 153 {
 154         FLAC__StreamEncoder *encoder;
 155         FLAC__StreamEncoderInitStatus init_status;
 156         FLAC__StreamEncoderState state;
 157         FLAC__StreamDecoderState dstate;
 158         FILE *file = 0;
 159         FLAC__int32 samples[1024];
 160         FLAC__int32 *samples_array[1];
 161         unsigned i;
 162
 163         samples_array[0] = samples;
 164
 165         printf("\n+++ libFLAC unit test: FLAC__StreamEncoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC":"FLAC");
 166
 167         printf("testing FLAC__stream_encoder_new()... ");
 168         encoder = FLAC__stream_encoder_new();
 169         if(0 == encoder) {
 170                 printf("FAILED, returned NULL\n");
 171                 return false;
 172         }
 173         printf("OK\n");
 174
 175         if(is_ogg) {
 176                 printf("testing FLAC__stream_encoder_set_ogg_serial_number()... ");
 177                 if(!FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number))
 178                         return die_s_("returned false", encoder);
 179                 printf("OK\n");
 180         }
 181
 182         printf("testing FLAC__stream_encoder_set_verify()... ");
 183         if(!FLAC__stream_encoder_set_verify(encoder, true))
 184                 return die_s_("returned false", encoder);
 185         printf("OK\n");
 186
 187         printf("testing FLAC__stream_encoder_set_streamable_subset()... ");
 188         if(!FLAC__stream_encoder_set_streamable_subset(encoder, true))
 189                 return die_s_("returned false", encoder);
 190         printf("OK\n");
 191
 192         printf("testing FLAC__stream_encoder_set_channels()... ");
 193         if(!FLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels))
 194                 return die_s_("returned false", encoder);
 195         printf("OK\n");
 196
 197         printf("testing FLAC__stream_encoder_set_bits_per_sample()... ");
 198         if(!FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample))
 199                 return die_s_("returned false", encoder);
 200         printf("OK\n");
 201
 202         printf("testing FLAC__stream_encoder_set_sample_rate()... ");
 203         if(!FLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate))
 204                 return die_s_("returned false", encoder);
 205         printf("OK\n");
 206
 207         printf("testing FLAC__stream_encoder_set_compression_level()... ");
 208         if(!FLAC__stream_encoder_set_compression_level(encoder, (unsigned)(-1)))
 209                 return die_s_("returned false", encoder);
 210         printf("OK\n");
 211
 212         printf("testing FLAC__stream_encoder_set_blocksize()... ");
 213         if(!FLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize))
 214                 return die_s_("returned false", encoder);
 215         printf("OK\n");
 216
 217         printf("testing FLAC__stream_encoder_set_do_mid_side_stereo()... ");
 218         if(!FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false))
 219                 return die_s_("returned false", encoder);
 220         printf("OK\n");
 221
 222         printf("testing FLAC__stream_encoder_set_loose_mid_side_stereo()... ");
 223         if(!FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false))
 224                 return die_s_("returned false", encoder);
 225         printf("OK\n");
 226
 227         printf("testing FLAC__stream_encoder_set_max_lpc_order()... ");
 228         if(!FLAC__stream_encoder_set_max_lpc_order(encoder, 0))
 229                 return die_s_("returned false", encoder);
 230         printf("OK\n");
 231
 232         printf("testing FLAC__stream_encoder_set_qlp_coeff_precision()... ");
 233         if(!FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0))
 234                 return die_s_("returned false", encoder);
 235         printf("OK\n");
 236
 237         printf("testing FLAC__stream_encoder_set_do_qlp_coeff_prec_search()... ");
 238         if(!FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false))
 239                 return die_s_("returned false", encoder);
 240         printf("OK\n");
 241
 242         printf("testing FLAC__stream_encoder_set_do_escape_coding()... ");
 243         if(!FLAC__stream_encoder_set_do_escape_coding(encoder, false))
 244                 return die_s_("returned false", encoder);
 245         printf("OK\n");
 246
 247         printf("testing FLAC__stream_encoder_set_do_exhaustive_model_search()... ");
 248         if(!FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false))
 249                 return die_s_("returned false", encoder);
 250         printf("OK\n");
 251
 252         printf("testing FLAC__stream_encoder_set_min_residual_partition_order()... ");
 253         if(!FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0))
 254                 return die_s_("returned false", encoder);
 255         printf("OK\n");
 256
 257         printf("testing FLAC__stream_encoder_set_max_residual_partition_order()... ");
 258         if(!FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0))
 259                 return die_s_("returned false", encoder);
 260         printf("OK\n");
 261
 262         printf("testing FLAC__stream_encoder_set_rice_parameter_search_dist()... ");
 263         if(!FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0))
 264                 return die_s_("returned false", encoder);
 265         printf("OK\n");
 266
 267         printf("testing FLAC__stream_encoder_set_total_samples_estimate()... ");
 268         if(!FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples))
 269                 return die_s_("returned false", encoder);
 270         printf("OK\n");
 271
 272         printf("testing FLAC__stream_encoder_set_metadata()... ");
 273         if(!FLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_))
 274                 return die_s_("returned false", encoder);
 275         printf("OK\n");
 276
 277         if(layer < LAYER_FILENAME) {
 278                 printf("opening file for FLAC output... ");
 279                 file = fopen(flacfilename(is_ogg), "w+b");
 280                 if(0 == file) {
 281                         printf("ERROR (%s)\n", strerror(errno));
 282                         return false;
 283                 }
 284                 printf("OK\n");
 285         }
 286
 287         switch(layer) {
 288                 case LAYER_STREAM:
 289                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 290                         init_status = is_ogg?
 291                                 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) :
 292                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/file);
 293                         break;
 294                 case LAYER_SEEKABLE_STREAM:
 295                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 296                         init_status = is_ogg?
 297                                 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) :
 298                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/file);
 299                         break;
 300                 case LAYER_FILE:
 301                         printf("testing FLAC__stream_encoder_init_%sFILE()... ", is_ogg? "ogg_":"");
 302                         init_status = is_ogg?
 303                                 FLAC__stream_encoder_init_ogg_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0) :
 304                                 FLAC__stream_encoder_init_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0);
 305                         break;
 306                 case LAYER_FILENAME:
 307                         printf("testing FLAC__stream_encoder_init_%sfile()... ", is_ogg? "ogg_":"");
 308                         init_status = is_ogg?
 309                                 FLAC__stream_encoder_init_ogg_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0) :
 310                                 FLAC__stream_encoder_init_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0);
 311                         break;
 312                 default:
 313                         die_("internal error 001");
 314                         return false;
 315         }
 316         if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
 317                 return die_s_(0, encoder);
 318         printf("OK\n");
 319
 320         printf("testing FLAC__stream_encoder_get_state()... ");
 321         state = FLAC__stream_encoder_get_state(encoder);
 322         printf("returned state = %u (%s)... OK\n", (unsigned)state, FLAC__StreamEncoderStateString[state]);
 323
 324         printf("testing FLAC__stream_encoder_get_verify_decoder_state()... ");
 325         dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
 326         printf("returned state = %u (%s)... OK\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
 327
 328         {
 329                 FLAC__uint64 absolute_sample;
 330                 unsigned frame_number;
 331                 unsigned channel;
 332                 unsigned sample;
 333                 FLAC__int32 expected;
 334                 FLAC__int32 got;
 335
 336                 printf("testing FLAC__stream_encoder_get_verify_decoder_error_stats()... ");
 337                 FLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
 338                 printf("OK\n");
 339         }
 340
 341         printf("testing FLAC__stream_encoder_get_verify()... ");
 342         if(FLAC__stream_encoder_get_verify(encoder) != true) {
 343                 printf("FAILED, expected true, got false\n");
 344                 return false;
 345         }
 346         printf("OK\n");
 347
 348         printf("testing FLAC__stream_encoder_get_streamable_subset()... ");
 349         if(FLAC__stream_encoder_get_streamable_subset(encoder) != true) {
 350                 printf("FAILED, expected true, got false\n");
 351                 return false;
 352         }
 353         printf("OK\n");
 354
 355         printf("testing FLAC__stream_encoder_get_do_mid_side_stereo()... ");
 356         if(FLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) {
 357                 printf("FAILED, expected false, got true\n");
 358                 return false;
 359         }
 360         printf("OK\n");
 361
 362         printf("testing FLAC__stream_encoder_get_loose_mid_side_stereo()... ");
 363         if(FLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) {
 364                 printf("FAILED, expected false, got true\n");
 365                 return false;
 366         }
 367         printf("OK\n");
 368
 369         printf("testing FLAC__stream_encoder_get_channels()... ");
 370         if(FLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) {
 371                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, FLAC__stream_encoder_get_channels(encoder));
 372                 return false;
 373         }
 374         printf("OK\n");
 375
 376         printf("testing FLAC__stream_encoder_get_bits_per_sample()... ");
 377         if(FLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) {
 378                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, FLAC__stream_encoder_get_bits_per_sample(encoder));
 379                 return false;
 380         }
 381         printf("OK\n");
 382
 383         printf("testing FLAC__stream_encoder_get_sample_rate()... ");
 384         if(FLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) {
 385                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, FLAC__stream_encoder_get_sample_rate(encoder));
 386                 return false;
 387         }
 388         printf("OK\n");
 389
 390         printf("testing FLAC__stream_encoder_get_blocksize()... ");
 391         if(FLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) {
 392                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, FLAC__stream_encoder_get_blocksize(encoder));
 393                 return false;
 394         }
 395         printf("OK\n");
 396
 397         printf("testing FLAC__stream_encoder_get_max_lpc_order()... ");
 398         if(FLAC__stream_encoder_get_max_lpc_order(encoder) != 0) {
 399                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_max_lpc_order(encoder));
 400                 return false;
 401         }
 402         printf("OK\n");
 403
 404         printf("testing FLAC__stream_encoder_get_qlp_coeff_precision()... ");
 405         (void)FLAC__stream_encoder_get_qlp_coeff_precision(encoder);
 406         /* we asked the encoder to auto select this so we accept anything */
 407         printf("OK\n");
 408
 409         printf("testing FLAC__stream_encoder_get_do_qlp_coeff_prec_search()... ");
 410         if(FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) {
 411                 printf("FAILED, expected false, got true\n");
 412                 return false;
 413         }
 414         printf("OK\n");
 415
 416         printf("testing FLAC__stream_encoder_get_do_escape_coding()... ");
 417         if(FLAC__stream_encoder_get_do_escape_coding(encoder) != false) {
 418                 printf("FAILED, expected false, got true\n");
 419                 return false;
 420         }
 421         printf("OK\n");
 422
 423         printf("testing FLAC__stream_encoder_get_do_exhaustive_model_search()... ");
 424         if(FLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) {
 425                 printf("FAILED, expected false, got true\n");
 426                 return false;
 427         }
 428         printf("OK\n");
 429
 430         printf("testing FLAC__stream_encoder_get_min_residual_partition_order()... ");
 431         if(FLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) {
 432                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_min_residual_partition_order(encoder));
 433                 return false;
 434         }
 435         printf("OK\n");
 436
 437         printf("testing FLAC__stream_encoder_get_max_residual_partition_order()... ");
 438         if(FLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) {
 439                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_max_residual_partition_order(encoder));
 440                 return false;
 441         }
 442         printf("OK\n");
 443
 444         printf("testing FLAC__stream_encoder_get_rice_parameter_search_dist()... ");
 445         if(FLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) {
 446                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_rice_parameter_search_dist(encoder));
 447                 return false;
 448         }
 449         printf("OK\n");
 450
 451         printf("testing FLAC__stream_encoder_get_total_samples_estimate()... ");
 452         if(FLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) {
 453                 printf("FAILED, expected %" PRIu64 ", got %" PRIu64 "\n", streaminfo_.data.stream_info.total_samples, FLAC__stream_encoder_get_total_samples_estimate(encoder));
 454                 return false;
 455         }
 456         printf("OK\n");
 457
 458         /* init the dummy sample buffer */
 459         for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
 460                 samples[i] = i & 7;
 461
 462         printf("testing FLAC__stream_encoder_process()... ");
 463         if(!FLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32)))
 464                 return die_s_("returned false", encoder);
 465         printf("OK\n");
 466
 467         printf("testing FLAC__stream_encoder_process_interleaved()... ");
 468         if(!FLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32)))
 469                 return die_s_("returned false", encoder);
 470         printf("OK\n");
 471
 472         printf("testing FLAC__stream_encoder_finish()... ");
 473         if(!FLAC__stream_encoder_finish(encoder))
 474                 return die_s_("returned false", encoder);
 475         printf("OK\n");
 476
 477         if(layer < LAYER_FILE)
 478                 fclose(file);
 479
 480         printf("testing FLAC__stream_encoder_delete()... ");
 481         FLAC__stream_encoder_delete(encoder);
 482         printf("OK\n");
 483
 484         printf("\nPASSED!\n");
 485
 486         return true;
 487 }
 488
 489 FLAC__bool test_encoders(void)
 490 {
 491         FLAC__bool is_ogg = false;
 492
 493         while(1) {
 494                 init_metadata_blocks_();
 495
 496                 if(!test_stream_encoder(LAYER_STREAM, is_ogg))
 497                         return false;
 498
 499                 if(!test_stream_encoder(LAYER_SEEKABLE_STREAM, is_ogg))
 500                         return false;
 501
 502                 if(!test_stream_encoder(LAYER_FILE, is_ogg))
 503                         return false;
 504
 505                 if(!test_stream_encoder(LAYER_FILENAME, is_ogg))
 506                         return false;
 507
 508                 (void) grabbag__file_remove_file(flacfilename(is_ogg));
 509
 510                 free_metadata_blocks_();
 511
 512                 if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg)
 513                         break;
 514                 is_ogg = true;
 515         }
 516
 517         return true;
 518 }