test_libFLAC/md5.c : Fix the tests.
[flac.git] / src / test_libFLAC / encoders.c
1 /* test_libFLAC - Unit tester for libFLAC
2  * Copyright (C) 2002-2009  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 #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 unsigned 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", (unsigned)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", (unsigned)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, unsigned samples, unsigned 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, unsigned frames_written, unsigned 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         unsigned 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, (unsigned)(-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", (unsigned)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", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
328
329         {
330                 FLAC__uint64 absolute_sample;
331                 unsigned frame_number;
332                 unsigned channel;
333                 unsigned 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 %u, 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 %u, 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 %u, 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 %u, 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 }