xref: /aosp_15_r20/external/flac/src/test_libFLAC++/decoders.cpp (revision 600f14f40d737144c998e2ec7a483122d3776fbc)
1 /* test_libFLAC++ - Unit tester for libFLAC++
2  * Copyright (C) 2002-2009  Josh Coalson
3  * Copyright (C) 2011-2023  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 "decoders.h"
29 #include "FLAC/assert.h"
30 #include "FLAC/metadata.h" // for ::FLAC__metadata_object_is_equal()
31 #include "FLAC++/decoder.h"
32 #include "share/grabbag.h"
33 #include "share/compat.h"
34 extern "C" {
35 #include "test_libs_common/file_utils_flac.h"
36 #include "test_libs_common/metadata_utils.h"
37 }
38 
39 #ifdef _MSC_VER
40 // warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
41 #pragma warning ( disable : 4800 )
42 #endif
43 
44 typedef enum {
45 	LAYER_STREAM = 0, /* FLAC__stream_decoder_init_stream() without seeking */
46 	LAYER_SEEKABLE_STREAM, /* FLAC__stream_decoder_init_stream() with seeking */
47 	LAYER_FILE, /* FLAC__stream_decoder_init_FILE() */
48 	LAYER_FILENAME /* FLAC__stream_decoder_init_file() */
49 } Layer;
50 
51 static const char * const LayerString[] = {
52 	"Stream",
53 	"Seekable Stream",
54 	"FILE*",
55 	"Filename"
56 };
57 
58 static ::FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_;
59 static ::FLAC__StreamMetadata *expected_metadata_sequence_[9];
60 static uint32_t num_expected_;
61 static FLAC__off_t flacfilesize_;
62 
flacfilename(bool is_ogg)63 static const char *flacfilename(bool is_ogg)
64 {
65 	return is_ogg? "metadata.oga" : "metadata.flac";
66 }
67 
die_(const char * msg)68 static bool die_(const char *msg)
69 {
70 	printf("ERROR: %s\n", msg);
71 	return false;
72 }
73 
die_s_(const char * msg,const FLAC::Decoder::Stream * decoder)74 static FLAC__bool die_s_(const char *msg, const FLAC::Decoder::Stream *decoder)
75 {
76 	FLAC::Decoder::Stream::State state = decoder->get_state();
77 
78 	if(msg)
79 		printf("FAILED, %s", msg);
80 	else
81 		printf("FAILED");
82 
83 	printf(", state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
84 
85 	return false;
86 }
87 
init_metadata_blocks_()88 static void init_metadata_blocks_()
89 {
90 	mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
91 }
92 
free_metadata_blocks_()93 static void free_metadata_blocks_()
94 {
95 	mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
96 }
97 
generate_file_(FLAC__bool is_ogg)98 static bool generate_file_(FLAC__bool is_ogg)
99 {
100 	printf("\n\ngenerating %sFLAC file for decoder tests...\n", is_ogg? "Ogg ":"");
101 
102 	num_expected_ = 0;
103 	expected_metadata_sequence_[num_expected_++] = &padding_;
104 	expected_metadata_sequence_[num_expected_++] = &seektable_;
105 	expected_metadata_sequence_[num_expected_++] = &application1_;
106 	expected_metadata_sequence_[num_expected_++] = &application2_;
107 	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
108 	expected_metadata_sequence_[num_expected_++] = &cuesheet_;
109 	expected_metadata_sequence_[num_expected_++] = &picture_;
110 	expected_metadata_sequence_[num_expected_++] = &unknown_;
111 	/* WATCHOUT: for Ogg FLAC the encoder should move the VORBIS_COMMENT block to the front, right after STREAMINFO */
112 
113 	if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), &flacfilesize_, 512 * 1024, &streaminfo_, expected_metadata_sequence_, num_expected_))
114 		return die_("creating the encoded file");
115 
116 	return true;
117 }
118 
119 
120 class DecoderCommon {
121 public:
122 	Layer layer_;
123 	uint32_t current_metadata_number_;
124 	bool ignore_errors_;
125 	bool error_occurred_;
126 
DecoderCommon(Layer layer)127 	DecoderCommon(Layer layer): layer_(layer), current_metadata_number_(0), ignore_errors_(false), error_occurred_(false) { }
~DecoderCommon(void)128 	virtual ~DecoderCommon(void) { }
129 	::FLAC__StreamDecoderWriteStatus common_write_callback_(const ::FLAC__Frame *frame);
130 	void common_metadata_callback_(const ::FLAC__StreamMetadata *metadata);
131 	void common_error_callback_(::FLAC__StreamDecoderErrorStatus status);
132 };
133 
common_write_callback_(const::FLAC__Frame * frame)134 ::FLAC__StreamDecoderWriteStatus DecoderCommon::common_write_callback_(const ::FLAC__Frame *frame)
135 {
136 	if(error_occurred_)
137 		return ::FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
138 
139 	if(
140 		(frame->header.number_type == ::FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) ||
141 		(frame->header.number_type == ::FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0)
142 	) {
143 		printf("content... ");
144 		fflush(stdout);
145 	}
146 
147 	return ::FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
148 }
149 
common_metadata_callback_(const::FLAC__StreamMetadata * metadata)150 void DecoderCommon::common_metadata_callback_(const ::FLAC__StreamMetadata *metadata)
151 {
152 	if(error_occurred_)
153 		return;
154 
155 	printf("%u... ", current_metadata_number_);
156 	fflush(stdout);
157 
158 	if(current_metadata_number_ >= num_expected_) {
159 		(void)die_("got more metadata blocks than expected");
160 		error_occurred_ = true;
161 	}
162 	else {
163 		if(!::FLAC__metadata_object_is_equal(expected_metadata_sequence_[current_metadata_number_], metadata)) {
164 			(void)die_("metadata block mismatch");
165 			error_occurred_ = true;
166 		}
167 	}
168 	current_metadata_number_++;
169 }
170 
common_error_callback_(::FLAC__StreamDecoderErrorStatus status)171 void DecoderCommon::common_error_callback_(::FLAC__StreamDecoderErrorStatus status)
172 {
173 	if(!ignore_errors_) {
174 		printf("ERROR: got error callback: err = %u (%s)\n", (uint32_t)status, ::FLAC__StreamDecoderErrorStatusString[status]);
175 		error_occurred_ = true;
176 	}
177 }
178 
179 class StreamDecoder : public FLAC::Decoder::Stream, public DecoderCommon {
180 public:
181 	FILE *file_;
182 
StreamDecoder(Layer layer)183 	StreamDecoder(Layer layer): FLAC::Decoder::Stream(), DecoderCommon(layer), file_(0) { }
~StreamDecoder()184 	~StreamDecoder() { }
185 
186 	// from FLAC::Decoder::Stream
187 	::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes);
188 	::FLAC__StreamDecoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset);
189 	::FLAC__StreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset);
190 	::FLAC__StreamDecoderLengthStatus length_callback(FLAC__uint64 *stream_length);
191 	bool eof_callback();
192 	::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
193 	void metadata_callback(const ::FLAC__StreamMetadata *metadata);
194 	void error_callback(::FLAC__StreamDecoderErrorStatus status);
195 
196 	bool test_respond(bool is_ogg);
197 private:
198 	StreamDecoder(const StreamDecoder&);
199 	StreamDecoder&operator=(const StreamDecoder&);
200 };
201 
read_callback(FLAC__byte buffer[],size_t * bytes)202 ::FLAC__StreamDecoderReadStatus StreamDecoder::read_callback(FLAC__byte buffer[], size_t *bytes)
203 {
204 	const size_t requested_bytes = *bytes;
205 
206 	if(error_occurred_)
207 		return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT;
208 
209 	if(feof(file_)) {
210 		*bytes = 0;
211 		return ::FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
212 	}
213 	else if(requested_bytes > 0) {
214 		*bytes = ::fread(buffer, 1, requested_bytes, file_);
215 		if(*bytes == 0) {
216 			if(feof(file_))
217 				return ::FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
218 			else
219 				return ::FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
220 		}
221 		else {
222 			return ::FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
223 		}
224 	}
225 	else
226 		return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */
227 }
228 
seek_callback(FLAC__uint64 absolute_byte_offset)229 ::FLAC__StreamDecoderSeekStatus StreamDecoder::seek_callback(FLAC__uint64 absolute_byte_offset)
230 {
231 	if(layer_ == LAYER_STREAM)
232 		return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
233 
234 	if(error_occurred_)
235 		return ::FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
236 
237 	if(fseeko(file_, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) {
238 		error_occurred_ = true;
239 		return ::FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
240 	}
241 
242 	return ::FLAC__STREAM_DECODER_SEEK_STATUS_OK;
243 }
244 
tell_callback(FLAC__uint64 * absolute_byte_offset)245 ::FLAC__StreamDecoderTellStatus StreamDecoder::tell_callback(FLAC__uint64 *absolute_byte_offset)
246 {
247 	if(layer_ == LAYER_STREAM)
248 		return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
249 
250 	if(error_occurred_)
251 		return ::FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
252 
253 	FLAC__off_t offset = ftello(file_);
254 	*absolute_byte_offset = (FLAC__uint64)offset;
255 
256 	if(offset < 0) {
257 		error_occurred_ = true;
258 		return ::FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
259 	}
260 
261 	return ::FLAC__STREAM_DECODER_TELL_STATUS_OK;
262 }
263 
length_callback(FLAC__uint64 * stream_length)264 ::FLAC__StreamDecoderLengthStatus StreamDecoder::length_callback(FLAC__uint64 *stream_length)
265 {
266 	if(layer_ == LAYER_STREAM)
267 		return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
268 
269 	if(error_occurred_)
270 		return ::FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
271 
272 	*stream_length = (FLAC__uint64)flacfilesize_;
273 	return ::FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
274 }
275 
eof_callback()276 bool StreamDecoder::eof_callback()
277 {
278 	if(layer_ == LAYER_STREAM)
279 		return false;
280 
281 	if(error_occurred_)
282 		return true;
283 
284 	return (bool)feof(file_);
285 }
286 
write_callback(const::FLAC__Frame * frame,const FLAC__int32 * const buffer[])287 ::FLAC__StreamDecoderWriteStatus StreamDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[])
288 {
289 	(void)buffer;
290 
291 	return common_write_callback_(frame);
292 }
293 
metadata_callback(const::FLAC__StreamMetadata * metadata)294 void StreamDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata)
295 {
296 	common_metadata_callback_(metadata);
297 }
298 
error_callback(::FLAC__StreamDecoderErrorStatus status)299 void StreamDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status)
300 {
301 	common_error_callback_(status);
302 }
303 
test_respond(bool is_ogg)304 bool StreamDecoder::test_respond(bool is_ogg)
305 {
306 	::FLAC__StreamDecoderInitStatus init_status;
307 
308 	if(!set_md5_checking(true)) {
309 		printf("FAILED at set_md5_checking(), returned false\n");
310 		return false;
311 	}
312 
313 	printf("testing init%s()... ", is_ogg? "_ogg":"");
314 	init_status = is_ogg? init_ogg() : init();
315 	if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK)
316 		return die_s_(0, this);
317 	printf("OK\n");
318 
319 	current_metadata_number_ = 0;
320 
321 	if(fseeko(file_, 0, SEEK_SET) < 0) {
322 		printf("FAILED rewinding input, errno = %d\n", errno);
323 		return false;
324 	}
325 
326 	printf("testing process_until_end_of_stream()... ");
327 	if(!process_until_end_of_stream()) {
328 		State state = get_state();
329 		printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
330 		return false;
331 	}
332 	printf("OK\n");
333 
334 	printf("testing finish()... ");
335 	if(!finish()) {
336 		State state = get_state();
337 		printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
338 		return false;
339 	}
340 	printf("OK\n");
341 
342 	return true;
343 }
344 
345 class FileDecoder : public FLAC::Decoder::File, public DecoderCommon {
346 public:
FileDecoder(Layer layer)347 	FileDecoder(Layer layer): FLAC::Decoder::File(), DecoderCommon(layer) { }
~FileDecoder()348 	~FileDecoder() { }
349 
350 	// from FLAC::Decoder::Stream
351 	::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
352 	void metadata_callback(const ::FLAC__StreamMetadata *metadata);
353 	void error_callback(::FLAC__StreamDecoderErrorStatus status);
354 
355 	bool test_respond(bool is_ogg);
356 };
357 
write_callback(const::FLAC__Frame * frame,const FLAC__int32 * const buffer[])358 ::FLAC__StreamDecoderWriteStatus FileDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[])
359 {
360 	(void)buffer;
361 	return common_write_callback_(frame);
362 }
363 
metadata_callback(const::FLAC__StreamMetadata * metadata)364 void FileDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata)
365 {
366 	common_metadata_callback_(metadata);
367 }
368 
error_callback(::FLAC__StreamDecoderErrorStatus status)369 void FileDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status)
370 {
371 	common_error_callback_(status);
372 }
373 
test_respond(bool is_ogg)374 bool FileDecoder::test_respond(bool is_ogg)
375 {
376 	::FLAC__StreamDecoderInitStatus init_status;
377 
378 	if(!set_md5_checking(true)) {
379 		printf("FAILED at set_md5_checking(), returned false\n");
380 		return false;
381 	}
382 
383 	switch(layer_) {
384 		case LAYER_FILE:
385 			{
386 				printf("opening %sFLAC file... ", is_ogg? "Ogg ":"");
387 				FILE *file = ::flac_fopen(flacfilename(is_ogg), "rb");
388 				if(0 == file) {
389 					printf("ERROR (%s)\n", strerror(errno));
390 					return false;
391 				}
392 				printf("OK\n");
393 
394 				printf("testing init%s()... ", is_ogg? "_ogg":"");
395 				init_status = is_ogg? init_ogg(file) : init(file);
396 			}
397 			break;
398 		case LAYER_FILENAME:
399 			printf("testing init%s()... ", is_ogg? "_ogg":"");
400 			init_status = is_ogg? init_ogg(flacfilename(is_ogg)) : init(flacfilename(is_ogg));
401 			break;
402 		default:
403 			die_("internal error 001");
404 			return false;
405 	}
406 	if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK)
407 		return die_s_(0, this);
408 	printf("OK\n");
409 
410 	current_metadata_number_ = 0;
411 
412 	printf("testing process_until_end_of_stream()... ");
413 	if(!process_until_end_of_stream()) {
414 		State state = get_state();
415 		printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
416 		return false;
417 	}
418 	printf("OK\n");
419 
420 	printf("testing finish()... ");
421 	if(!finish()) {
422 		State state = get_state();
423 		printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
424 		return false;
425 	}
426 	printf("OK\n");
427 
428 	return true;
429 }
430 
431 
new_by_layer(Layer layer)432 static FLAC::Decoder::Stream *new_by_layer(Layer layer)
433 {
434 	if(layer < LAYER_FILE)
435 		return new StreamDecoder(layer);
436 	else
437 		return new FileDecoder(layer);
438 }
439 
test_stream_decoder(Layer layer,bool is_ogg)440 static bool test_stream_decoder(Layer layer, bool is_ogg)
441 {
442 	FLAC::Decoder::Stream *decoder;
443 	::FLAC__StreamDecoderInitStatus init_status;
444 	bool expect;
445 
446 	printf("\n+++ libFLAC++ unit test: FLAC::Decoder::%s (layer: %s, format: %s)\n\n", layer<LAYER_FILE? "Stream":"File", LayerString[layer], is_ogg? "Ogg FLAC" : "FLAC");
447 
448 	//
449 	// test new -> delete
450 	//
451 	printf("allocating decoder instance... ");
452 	decoder = new_by_layer(layer);
453 	if(0 == decoder) {
454 		printf("FAILED, new returned NULL\n");
455 		return false;
456 	}
457 	printf("OK\n");
458 
459 	printf("testing is_valid()... ");
460 	if(!decoder->is_valid()) {
461 		printf("FAILED, returned false\n");
462 		delete decoder;
463 		return false;
464 	}
465 	printf("OK\n");
466 
467 	printf("freeing decoder instance... ");
468 	delete decoder;
469 	printf("OK\n");
470 
471 	//
472 	// test new -> init -> delete
473 	//
474 	printf("allocating decoder instance... ");
475 	decoder = new_by_layer(layer);
476 	if(0 == decoder) {
477 		printf("FAILED, new returned NULL\n");
478 		return false;
479 	}
480 	printf("OK\n");
481 
482 	printf("testing is_valid()... ");
483 	if(!decoder->is_valid()) {
484 		printf("FAILED, returned false\n");
485 		delete decoder;
486 		return false;
487 	}
488 	printf("OK\n");
489 
490 	printf("testing init%s()... ", is_ogg? "_ogg":"");
491 	switch(layer) {
492 		case LAYER_STREAM:
493 		case LAYER_SEEKABLE_STREAM:
494 			dynamic_cast<StreamDecoder*>(decoder)->file_ = stdin;
495 			init_status = is_ogg? decoder->init_ogg() : decoder->init();
496 			break;
497 		case LAYER_FILE:
498 			init_status = is_ogg?
499 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(stdin) :
500 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init(stdin);
501 			break;
502 		case LAYER_FILENAME:
503 			init_status = is_ogg?
504 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(flacfilename(is_ogg)) :
505 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init(flacfilename(is_ogg));
506 			break;
507 		default:
508 			die_("internal error 006");
509 			delete decoder;
510 			return false;
511 	}
512 	if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK)
513 		return die_s_(0, decoder);
514 	printf("OK\n");
515 
516 	printf("freeing decoder instance... ");
517 	delete decoder;
518 	printf("OK\n");
519 
520 	//
521 	// test normal usage
522 	//
523 	num_expected_ = 0;
524 	expected_metadata_sequence_[num_expected_++] = &streaminfo_;
525 
526 	printf("allocating decoder instance... ");
527 	decoder = new_by_layer(layer);
528 	if(0 == decoder) {
529 		printf("FAILED, new returned NULL\n");
530 		return false;
531 	}
532 	printf("OK\n");
533 
534 	printf("testing is_valid()... ");
535 	if(!decoder->is_valid()) {
536 		printf("FAILED, returned false\n");
537 		delete decoder;
538 		return false;
539 	}
540 	printf("OK\n");
541 
542 	if(is_ogg) {
543 		printf("testing set_ogg_serial_number()... ");
544 		if(!decoder->set_ogg_serial_number(file_utils__ogg_serial_number))
545 			return die_s_("returned false", decoder);
546 		printf("OK\n");
547 	}
548 
549 	if(!decoder->set_md5_checking(true)) {
550 		printf("FAILED at set_md5_checking(), returned false\n");
551 		return false;
552 	}
553 
554 	switch(layer) {
555 		case LAYER_STREAM:
556 		case LAYER_SEEKABLE_STREAM:
557 			printf("opening %sFLAC file... ", is_ogg? "Ogg ":"");
558 			dynamic_cast<StreamDecoder*>(decoder)->file_ = ::flac_fopen(flacfilename(is_ogg), "rb");
559 			if(0 == dynamic_cast<StreamDecoder*>(decoder)->file_) {
560 				printf("ERROR (%s)\n", strerror(errno));
561 				return false;
562 			}
563 			printf("OK\n");
564 
565 			printf("testing init%s()... ", is_ogg? "_ogg":"");
566 			init_status = is_ogg? decoder->init_ogg() : decoder->init();
567 			break;
568 		case LAYER_FILE:
569 			{
570 				printf("opening FLAC file... ");
571 				FILE *file = ::flac_fopen(flacfilename(is_ogg), "rb");
572 				if(0 == file) {
573 					printf("ERROR (%s)\n", strerror(errno));
574 					return false;
575 				}
576 				printf("OK\n");
577 
578 				printf("testing init%s()... ", is_ogg? "_ogg":"");
579 				init_status = is_ogg?
580 					dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(file) :
581 					dynamic_cast<FLAC::Decoder::File*>(decoder)->init(file);
582 			}
583 			break;
584 		case LAYER_FILENAME:
585 			printf("testing init%s()... ", is_ogg? "_ogg":"");
586 			init_status = is_ogg?
587 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(flacfilename(is_ogg)) :
588 				dynamic_cast<FLAC::Decoder::File*>(decoder)->init(flacfilename(is_ogg));
589 			break;
590 		default:
591 			die_("internal error 009");
592 			return false;
593 	}
594 	if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK)
595 		return die_s_(0, decoder);
596 	printf("OK\n");
597 
598 	printf("testing get_state()... ");
599 	FLAC::Decoder::Stream::State state = decoder->get_state();
600 	printf("returned state = %u (%s)... OK\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
601 
602 	dynamic_cast<DecoderCommon*>(decoder)->current_metadata_number_ = 0;
603 	dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = false;
604 	dynamic_cast<DecoderCommon*>(decoder)->error_occurred_ = false;
605 
606 	printf("testing get_md5_checking()... ");
607 	if(!decoder->get_md5_checking()) {
608 		printf("FAILED, returned false, expected true\n");
609 		return false;
610 	}
611 	printf("OK\n");
612 
613 	printf("testing process_until_end_of_metadata()... ");
614 	if(!decoder->process_until_end_of_metadata())
615 		return die_s_("returned false", decoder);
616 	printf("OK\n");
617 
618 	printf("testing process_single()... ");
619 	if(!decoder->process_single())
620 		return die_s_("returned false", decoder);
621 	printf("OK\n");
622 
623 	printf("testing skip_single_frame()... ");
624 	if(!decoder->skip_single_frame())
625 		return die_s_("returned false", decoder);
626 	printf("OK\n");
627 
628 	if(layer < LAYER_FILE) {
629 		printf("testing flush()... ");
630 		if(!decoder->flush())
631 			return die_s_("returned false", decoder);
632 		printf("OK\n");
633 
634 		dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = true;
635 		printf("testing process_single()... ");
636 		if(!decoder->process_single())
637 			return die_s_("returned false", decoder);
638 		printf("OK\n");
639 		dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = false;
640 	}
641 
642 	expect = (layer != LAYER_STREAM);
643 	printf("testing seek_absolute()... ");
644 	if(decoder->seek_absolute(0) != expect)
645 		return die_s_(expect? "returned false" : "returned true", decoder);
646 	printf("OK\n");
647 
648 	printf("testing process_until_end_of_stream()... ");
649 	if(!decoder->process_until_end_of_stream())
650 		return die_s_("returned false", decoder);
651 	printf("OK\n");
652 
653 	expect = (layer != LAYER_STREAM);
654 	printf("testing seek_absolute()... ");
655 	if(decoder->seek_absolute(0) != expect)
656 		return die_s_(expect? "returned false" : "returned true", decoder);
657 	printf("OK\n");
658 
659 	printf("testing get_channels()... ");
660 	{
661 		uint32_t channels = decoder->get_channels();
662 		if(channels != streaminfo_.data.stream_info.channels) {
663 			printf("FAILED, returned %u, expected %u\n", channels, streaminfo_.data.stream_info.channels);
664 			return false;
665 		}
666 	}
667 	printf("OK\n");
668 
669 	printf("testing get_bits_per_sample()... ");
670 	{
671 		uint32_t bits_per_sample = decoder->get_bits_per_sample();
672 		if(bits_per_sample != streaminfo_.data.stream_info.bits_per_sample) {
673 			printf("FAILED, returned %u, expected %u\n", bits_per_sample, streaminfo_.data.stream_info.bits_per_sample);
674 			return false;
675 		}
676 	}
677 	printf("OK\n");
678 
679 	printf("testing get_sample_rate()... ");
680 	{
681 		uint32_t sample_rate = decoder->get_sample_rate();
682 		if(sample_rate != streaminfo_.data.stream_info.sample_rate) {
683 			printf("FAILED, returned %u, expected %u\n", sample_rate, streaminfo_.data.stream_info.sample_rate);
684 			return false;
685 		}
686 	}
687 	printf("OK\n");
688 
689 	printf("testing get_blocksize()... ");
690 	{
691 		uint32_t blocksize = decoder->get_blocksize();
692 		/* value could be anything since we're at the last block, so accept any reasonable answer */
693 		printf("returned %u... %s\n", blocksize, blocksize>0? "OK" : "FAILED");
694 		if(blocksize == 0)
695 			return false;
696 	}
697 
698 	printf("testing get_channel_assignment()... ");
699 	{
700 		::FLAC__ChannelAssignment ca = decoder->get_channel_assignment();
701 		printf("returned %u (%s)... OK\n", (uint32_t)ca, ::FLAC__ChannelAssignmentString[ca]);
702 	}
703 
704 	if(layer < LAYER_FILE) {
705 		printf("testing reset()... ");
706 		if(!decoder->reset())
707 			return die_s_("returned false", decoder);
708 		printf("OK\n");
709 
710 		if(layer == LAYER_STREAM) {
711 			/* after a reset() we have to rewind the input ourselves */
712 			printf("rewinding input... ");
713 			if(fseeko(dynamic_cast<StreamDecoder*>(decoder)->file_, 0, SEEK_SET) < 0) {
714 				printf("FAILED, errno = %d\n", errno);
715 				return false;
716 			}
717 			printf("OK\n");
718 		}
719 
720 		dynamic_cast<DecoderCommon*>(decoder)->current_metadata_number_ = 0;
721 
722 		printf("testing process_until_end_of_stream()... ");
723 		if(!decoder->process_until_end_of_stream())
724 			return die_s_("returned false", decoder);
725 		printf("OK\n");
726 	}
727 
728 	printf("testing finish()... ");
729 	if(!decoder->finish()) {
730 		state = decoder->get_state();
731 		printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring());
732 		return false;
733 	}
734 	printf("OK\n");
735 
736 	/*
737 	 * respond all
738 	 */
739 
740 	printf("testing set_metadata_respond_all()... ");
741 	if(!decoder->set_metadata_respond_all()) {
742 		printf("FAILED, returned false\n");
743 		return false;
744 	}
745 	printf("OK\n");
746 
747 	num_expected_ = 0;
748 	if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */
749 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
750 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
751 		expected_metadata_sequence_[num_expected_++] = &padding_;
752 		expected_metadata_sequence_[num_expected_++] = &application1_;
753 		expected_metadata_sequence_[num_expected_++] = &application2_;
754 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
755 		expected_metadata_sequence_[num_expected_++] = &picture_;
756 		expected_metadata_sequence_[num_expected_++] = &unknown_;
757 	}
758 	else {
759 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
760 		expected_metadata_sequence_[num_expected_++] = &padding_;
761 		expected_metadata_sequence_[num_expected_++] = &seektable_;
762 		expected_metadata_sequence_[num_expected_++] = &application1_;
763 		expected_metadata_sequence_[num_expected_++] = &application2_;
764 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
765 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
766 		expected_metadata_sequence_[num_expected_++] = &picture_;
767 		expected_metadata_sequence_[num_expected_++] = &unknown_;
768 	}
769 
770 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
771 		return false;
772 
773 	/*
774 	 * ignore all
775 	 */
776 
777 	printf("testing set_metadata_ignore_all()... ");
778 	if(!decoder->set_metadata_ignore_all()) {
779 		printf("FAILED, returned false\n");
780 		return false;
781 	}
782 	printf("OK\n");
783 
784 	num_expected_ = 0;
785 
786 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
787 		return false;
788 
789 	/*
790 	 * respond all, ignore VORBIS_COMMENT
791 	 */
792 
793 	printf("testing set_metadata_respond_all()... ");
794 	if(!decoder->set_metadata_respond_all()) {
795 		printf("FAILED, returned false\n");
796 		return false;
797 	}
798 	printf("OK\n");
799 
800 	printf("testing set_metadata_ignore(VORBIS_COMMENT)... ");
801 	if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_VORBIS_COMMENT)) {
802 		printf("FAILED, returned false\n");
803 		return false;
804 	}
805 	printf("OK\n");
806 
807 	num_expected_ = 0;
808 	expected_metadata_sequence_[num_expected_++] = &streaminfo_;
809 	expected_metadata_sequence_[num_expected_++] = &padding_;
810 	if(!is_ogg) /* encoder removes seektable for ogg */
811 		expected_metadata_sequence_[num_expected_++] = &seektable_;
812 	expected_metadata_sequence_[num_expected_++] = &application1_;
813 	expected_metadata_sequence_[num_expected_++] = &application2_;
814 	expected_metadata_sequence_[num_expected_++] = &cuesheet_;
815 	expected_metadata_sequence_[num_expected_++] = &picture_;
816 	expected_metadata_sequence_[num_expected_++] = &unknown_;
817 
818 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
819 		return false;
820 
821 	/*
822 	 * respond all, ignore APPLICATION
823 	 */
824 
825 	printf("testing set_metadata_respond_all()... ");
826 	if(!decoder->set_metadata_respond_all()) {
827 		printf("FAILED, returned false\n");
828 		return false;
829 	}
830 	printf("OK\n");
831 
832 	printf("testing set_metadata_ignore(APPLICATION)... ");
833 	if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_APPLICATION)) {
834 		printf("FAILED, returned false\n");
835 		return false;
836 	}
837 	printf("OK\n");
838 
839 	num_expected_ = 0;
840 	if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */
841 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
842 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
843 		expected_metadata_sequence_[num_expected_++] = &padding_;
844 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
845 		expected_metadata_sequence_[num_expected_++] = &picture_;
846 		expected_metadata_sequence_[num_expected_++] = &unknown_;
847 	}
848 	else {
849 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
850 		expected_metadata_sequence_[num_expected_++] = &padding_;
851 		expected_metadata_sequence_[num_expected_++] = &seektable_;
852 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
853 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
854 		expected_metadata_sequence_[num_expected_++] = &picture_;
855 		expected_metadata_sequence_[num_expected_++] = &unknown_;
856 	}
857 
858 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
859 		return false;
860 
861 	/*
862 	 * respond all, ignore APPLICATION id of app#1
863 	 */
864 
865 	printf("testing set_metadata_respond_all()... ");
866 	if(!decoder->set_metadata_respond_all()) {
867 		printf("FAILED, returned false\n");
868 		return false;
869 	}
870 	printf("OK\n");
871 
872 	printf("testing set_metadata_ignore_application(of app block #1)... ");
873 	if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) {
874 		printf("FAILED, returned false\n");
875 		return false;
876 	}
877 	printf("OK\n");
878 
879 	num_expected_ = 0;
880 	if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */
881 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
882 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
883 		expected_metadata_sequence_[num_expected_++] = &padding_;
884 		expected_metadata_sequence_[num_expected_++] = &application2_;
885 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
886 		expected_metadata_sequence_[num_expected_++] = &picture_;
887 		expected_metadata_sequence_[num_expected_++] = &unknown_;
888 	}
889 	else {
890 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
891 		expected_metadata_sequence_[num_expected_++] = &padding_;
892 		expected_metadata_sequence_[num_expected_++] = &seektable_;
893 		expected_metadata_sequence_[num_expected_++] = &application2_;
894 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
895 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
896 		expected_metadata_sequence_[num_expected_++] = &picture_;
897 		expected_metadata_sequence_[num_expected_++] = &unknown_;
898 	}
899 
900 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
901 		return false;
902 
903 	/*
904 	 * respond all, ignore APPLICATION id of app#1 & app#2
905 	 */
906 
907 	printf("testing set_metadata_respond_all()... ");
908 	if(!decoder->set_metadata_respond_all()) {
909 		printf("FAILED, returned false\n");
910 		return false;
911 	}
912 	printf("OK\n");
913 
914 	printf("testing set_metadata_ignore_application(of app block #1)... ");
915 	if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) {
916 		printf("FAILED, returned false\n");
917 		return false;
918 	}
919 	printf("OK\n");
920 
921 	printf("testing set_metadata_ignore_application(of app block #2)... ");
922 	if(!decoder->set_metadata_ignore_application(application2_.data.application.id)) {
923 		printf("FAILED, returned false\n");
924 		return false;
925 	}
926 	printf("OK\n");
927 
928 	num_expected_ = 0;
929 	if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes seektable */
930 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
931 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
932 		expected_metadata_sequence_[num_expected_++] = &padding_;
933 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
934 		expected_metadata_sequence_[num_expected_++] = &picture_;
935 		expected_metadata_sequence_[num_expected_++] = &unknown_;
936 	}
937 	else {
938 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
939 		expected_metadata_sequence_[num_expected_++] = &padding_;
940 		expected_metadata_sequence_[num_expected_++] = &seektable_;
941 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
942 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
943 		expected_metadata_sequence_[num_expected_++] = &picture_;
944 		expected_metadata_sequence_[num_expected_++] = &unknown_;
945 	}
946 
947 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
948 		return false;
949 
950 	/*
951 	 * ignore all, respond VORBIS_COMMENT
952 	 */
953 
954 	printf("testing set_metadata_ignore_all()... ");
955 	if(!decoder->set_metadata_ignore_all()) {
956 		printf("FAILED, returned false\n");
957 		return false;
958 	}
959 	printf("OK\n");
960 
961 	printf("testing set_metadata_respond(VORBIS_COMMENT)... ");
962 	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_VORBIS_COMMENT)) {
963 		printf("FAILED, returned false\n");
964 		return false;
965 	}
966 	printf("OK\n");
967 
968 	num_expected_ = 0;
969 	expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
970 
971 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
972 		return false;
973 
974 	/*
975 	 * ignore all, respond APPLICATION
976 	 */
977 
978 	printf("testing set_metadata_ignore_all()... ");
979 	if(!decoder->set_metadata_ignore_all()) {
980 		printf("FAILED, returned false\n");
981 		return false;
982 	}
983 	printf("OK\n");
984 
985 	printf("testing set_metadata_respond(APPLICATION)... ");
986 	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) {
987 		printf("FAILED, returned false\n");
988 		return false;
989 	}
990 	printf("OK\n");
991 
992 	num_expected_ = 0;
993 	expected_metadata_sequence_[num_expected_++] = &application1_;
994 	expected_metadata_sequence_[num_expected_++] = &application2_;
995 
996 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
997 		return false;
998 
999 	/*
1000 	 * ignore all, respond APPLICATION id of app#1
1001 	 */
1002 
1003 	printf("testing set_metadata_ignore_all()... ");
1004 	if(!decoder->set_metadata_ignore_all()) {
1005 		printf("FAILED, returned false\n");
1006 		return false;
1007 	}
1008 	printf("OK\n");
1009 
1010 	printf("testing set_metadata_respond_application(of app block #1)... ");
1011 	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
1012 		printf("FAILED, returned false\n");
1013 		return false;
1014 	}
1015 	printf("OK\n");
1016 
1017 	num_expected_ = 0;
1018 	expected_metadata_sequence_[num_expected_++] = &application1_;
1019 
1020 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
1021 		return false;
1022 
1023 	/*
1024 	 * ignore all, respond APPLICATION id of app#1 & app#2
1025 	 */
1026 
1027 	printf("testing set_metadata_ignore_all()... ");
1028 	if(!decoder->set_metadata_ignore_all()) {
1029 		printf("FAILED, returned false\n");
1030 		return false;
1031 	}
1032 	printf("OK\n");
1033 
1034 	printf("testing set_metadata_respond_application(of app block #1)... ");
1035 	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
1036 		printf("FAILED, returned false\n");
1037 		return false;
1038 	}
1039 	printf("OK\n");
1040 
1041 	printf("testing set_metadata_respond_application(of app block #2)... ");
1042 	if(!decoder->set_metadata_respond_application(application2_.data.application.id)) {
1043 		printf("FAILED, returned false\n");
1044 		return false;
1045 	}
1046 	printf("OK\n");
1047 
1048 	num_expected_ = 0;
1049 	expected_metadata_sequence_[num_expected_++] = &application1_;
1050 	expected_metadata_sequence_[num_expected_++] = &application2_;
1051 
1052 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
1053 		return false;
1054 
1055 	/*
1056 	 * respond all, ignore APPLICATION, respond APPLICATION id of app#1
1057 	 */
1058 
1059 	printf("testing set_metadata_respond_all()... ");
1060 	if(!decoder->set_metadata_respond_all()) {
1061 		printf("FAILED, returned false\n");
1062 		return false;
1063 	}
1064 	printf("OK\n");
1065 
1066 	printf("testing set_metadata_ignore(APPLICATION)... ");
1067 	if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_APPLICATION)) {
1068 		printf("FAILED, returned false\n");
1069 		return false;
1070 	}
1071 	printf("OK\n");
1072 
1073 	printf("testing set_metadata_respond_application(of app block #1)... ");
1074 	if(!decoder->set_metadata_respond_application(application1_.data.application.id)) {
1075 		printf("FAILED, returned false\n");
1076 		return false;
1077 	}
1078 	printf("OK\n");
1079 
1080 	num_expected_ = 0;
1081 	if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */
1082 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
1083 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
1084 		expected_metadata_sequence_[num_expected_++] = &padding_;
1085 		expected_metadata_sequence_[num_expected_++] = &application1_;
1086 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
1087 		expected_metadata_sequence_[num_expected_++] = &picture_;
1088 		expected_metadata_sequence_[num_expected_++] = &unknown_;
1089 	}
1090 	else {
1091 		expected_metadata_sequence_[num_expected_++] = &streaminfo_;
1092 		expected_metadata_sequence_[num_expected_++] = &padding_;
1093 		expected_metadata_sequence_[num_expected_++] = &seektable_;
1094 		expected_metadata_sequence_[num_expected_++] = &application1_;
1095 		expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
1096 		expected_metadata_sequence_[num_expected_++] = &cuesheet_;
1097 		expected_metadata_sequence_[num_expected_++] = &picture_;
1098 		expected_metadata_sequence_[num_expected_++] = &unknown_;
1099 	}
1100 
1101 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
1102 		return false;
1103 
1104 	/*
1105 	 * ignore all, respond APPLICATION, ignore APPLICATION id of app#1
1106 	 */
1107 
1108 	printf("testing set_metadata_ignore_all()... ");
1109 	if(!decoder->set_metadata_ignore_all()) {
1110 		printf("FAILED, returned false\n");
1111 		return false;
1112 	}
1113 	printf("OK\n");
1114 
1115 	printf("testing set_metadata_respond(APPLICATION)... ");
1116 	if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) {
1117 		printf("FAILED, returned false\n");
1118 		return false;
1119 	}
1120 	printf("OK\n");
1121 
1122 	printf("testing set_metadata_ignore_application(of app block #1)... ");
1123 	if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) {
1124 		printf("FAILED, returned false\n");
1125 		return false;
1126 	}
1127 	printf("OK\n");
1128 
1129 	num_expected_ = 0;
1130 	expected_metadata_sequence_[num_expected_++] = &application2_;
1131 
1132 	if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg)))
1133 		return false;
1134 
1135 	if(layer < LAYER_FILE) /* for LAYER_FILE, FLAC__stream_decoder_finish() closes the file */
1136 		::fclose(dynamic_cast<StreamDecoder*>(decoder)->file_);
1137 
1138 	printf("freeing decoder instance... ");
1139 	delete decoder;
1140 	printf("OK\n");
1141 
1142 	printf("\nPASSED!\n");
1143 
1144 	return true;
1145 }
1146 
test_decoders()1147 bool test_decoders()
1148 {
1149 	FLAC__bool is_ogg = false;
1150 
1151 	while(1) {
1152 		init_metadata_blocks_();
1153 
1154 		if(!generate_file_(is_ogg))
1155 			return false;
1156 
1157 		if(!test_stream_decoder(LAYER_STREAM, is_ogg))
1158 			return false;
1159 
1160 		if(!test_stream_decoder(LAYER_SEEKABLE_STREAM, is_ogg))
1161 			return false;
1162 
1163 		if(!test_stream_decoder(LAYER_FILE, is_ogg))
1164 			return false;
1165 
1166 		if(!test_stream_decoder(LAYER_FILENAME, is_ogg))
1167 			return false;
1168 
1169 		(void) grabbag__file_remove_file(flacfilename(is_ogg));
1170 
1171 		free_metadata_blocks_();
1172 
1173 		if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg)
1174 			break;
1175 		is_ogg = true;
1176 	}
1177 
1178 	return true;
1179 }
1180