/src/flac/oss-fuzz/reencoder.cc

Source
/* Copyright 2019 Guido Vranken
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject
 * to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <cstddef>
#include <cstdint>
#include <limits>

#include <fuzzing/datasource/datasource.hpp>
#include <fuzzing/memory.hpp>

#include "FLAC++/encoder.h"
#include "FLAC++/decoder.h"
#include "FLAC++/metadata.h"
#include "common.h"

#define MAX_NUM_METADATA_BLOCKS 2048

namespace FLAC {
     namespace Encoder {
         class FuzzerStream : public Stream {
            private:
                // fuzzing::datasource::Datasource& ds;
            public:
                FuzzerStream(fuzzing::datasource::Datasource&) :
                    Stream() { }

                ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t /* samples */, uint32_t /* current_frame */) override {
                    fuzzing::memory::memory_test(buffer, bytes);
                    return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
                }
         };
    }
    namespace Decoder {
        class FuzzerDecoder : public Stream {
        private:
            fuzzing::datasource::Datasource& ds;
            FLAC::Encoder::FuzzerStream& encoder;
        public:
            FuzzerDecoder(fuzzing::datasource::Datasource& dsrc, FLAC::Encoder::FuzzerStream& encoder_arg) :
                Stream(), ds(dsrc), encoder(encoder_arg) { }

            ::FLAC__StreamMetadata * metadata_blocks[MAX_NUM_METADATA_BLOCKS] = {0};
            int num_metadata_blocks = 0;

            void metadata_callback(const ::FLAC__StreamMetadata *metadata) override {
    if(num_metadata_blocks < MAX_NUM_METADATA_BLOCKS)
                  if((metadata_blocks[num_metadata_blocks] = FLAC__metadata_object_clone(metadata)) != NULL)
        num_metadata_blocks++;
            }

            ::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes)  override {
                try {
                    const size_t maxCopySize = *bytes;

                    if ( maxCopySize > 0 ) {
                        /* memset just to test if this overwrites anything, and triggers ASAN */
                        memset(buffer, 0, maxCopySize);
                    }

                    const auto data = ds.GetData(0);
                    const auto dataSize = data.size();
                    const auto copySize = std::min(maxCopySize, dataSize);

                    if ( copySize > 0 ) {
                        memcpy(buffer, data.data(), copySize);
                    }

                    *bytes = copySize;

                    return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
                } catch ( ... ) {
                        return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
                }
            }

            ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[])  override {
                {
                    fuzzing::memory::memory_test(&(frame->header), sizeof(frame->header));
                    fuzzing::memory::memory_test(&(frame->footer), sizeof(frame->footer));
                }

                {
                    const auto numChannels = get_channels();
                    const size_t bytesPerChannel = frame->header.blocksize * sizeof(FLAC__int32);
                    for (size_t i = 0; i < numChannels; i++) {
                        fuzzing::memory::memory_test(buffer[i], bytesPerChannel);
                    }
                }

    /* Data is checked, now pass it towards encoder */
                if(encoder.get_state() == FLAC__STREAM_ENCODER_OK) {
                    if(encoder.get_channels() != get_channels())
                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
                    if(encoder.get_bits_per_sample() != get_bits_per_sample())
                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
                    encoder.process(buffer, frame->header.blocksize);
                    return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
                }
                else
                    return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
            }
            void error_callback(::FLAC__StreamDecoderErrorStatus status)  override {
                fuzzing::memory::memory_test(status);
            }
        };
    }
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
    fuzzing::datasource::Datasource ds(data, size);
    FLAC::Encoder::FuzzerStream encoder(ds);
    FLAC::Decoder::FuzzerDecoder decoder(ds, encoder);

    try {
            const int channels = ds.Get<uint8_t>();
            const int bps = ds.Get<uint8_t>();
            encoder.set_channels(channels);
            encoder.set_bits_per_sample(bps);

        {
            const bool res = encoder.set_streamable_subset(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_ogg_serial_number(ds.Get<long>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_verify(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_compression_level(ds.Get<uint8_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_do_mid_side_stereo(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_loose_mid_side_stereo(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_max_lpc_order(ds.Get<uint8_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_qlp_coeff_precision(ds.Get<uint32_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_do_escape_coding(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_min_residual_partition_order(ds.Get<uint32_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_max_residual_partition_order(ds.Get<uint32_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_total_samples_estimate(ds.Get<uint64_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_blocksize(ds.Get<uint16_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_limit_min_bitrate(ds.Get<bool>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_sample_rate(ds.Get<uint32_t>());
            fuzzing::memory::memory_test(res);
        }
        {
            const bool res = encoder.set_num_threads(ds.Get<uint32_t>());
            fuzzing::memory::memory_test(res);
        }

        decoder.set_metadata_respond_all();

        {
            ::FLAC__StreamDecoderInitStatus ret;
            if ( ds.Get<bool>() ) {
                ret = decoder.init();
            } else {
                ret = decoder.init_ogg();
            }

            if ( ret != FLAC__STREAM_DECODER_INIT_STATUS_OK ) {
                goto end;
            }

            decoder.process_until_end_of_metadata();
            if(decoder.num_metadata_blocks > 0)
                encoder.set_metadata(decoder.metadata_blocks, decoder.num_metadata_blocks);
        }

        {
            ::FLAC__StreamEncoderInitStatus ret;
            if ( ds.Get<bool>() ) {
                ret = encoder.init();
            } else {
                ret = encoder.init_ogg();
            }

            if ( ret != FLAC__STREAM_ENCODER_INIT_STATUS_OK ) {
                goto end;
            }
        }

  /* These sets must fail, because encoder is already initialized */
        {
            bool res = false;
            res = res || encoder.set_streamable_subset(true);
            res = res || encoder.set_ogg_serial_number(0);
            res = res || encoder.set_verify(true);
            res = res || encoder.set_compression_level(0);
            res = res || encoder.set_do_exhaustive_model_search(true);
            res = res || encoder.set_do_mid_side_stereo(true);
            res = res || encoder.set_loose_mid_side_stereo(true);
            res = res || encoder.set_apodization("test");
            res = res || encoder.set_max_lpc_order(0);
            res = res || encoder.set_qlp_coeff_precision(0);
            res = res || encoder.set_do_qlp_coeff_prec_search(true);
            res = res || encoder.set_do_escape_coding(true);
            res = res || encoder.set_min_residual_partition_order(0);
            res = res || encoder.set_max_residual_partition_order(0);
            res = res || encoder.set_rice_parameter_search_dist(0);
            res = res || encoder.set_total_samples_estimate(0);
            res = res || encoder.set_channels(channels);
            res = res || encoder.set_bits_per_sample(16);
            res = res || encoder.set_limit_min_bitrate(true);
            res = res || encoder.set_blocksize(3021);
            res = res || encoder.set_sample_rate(44100);
            res = res || (encoder.set_num_threads(4) == FLAC__STREAM_ENCODER_SET_NUM_THREADS_OK);
            fuzzing::memory::memory_test(res);
            if(res)
                abort();
        }


        {
            /* XORing values as otherwise compiler will optimize, apparently */
            bool res = false;
            res = res != encoder.get_streamable_subset();
            res = res != encoder.get_verify();
            res = res != encoder.get_do_exhaustive_model_search();
            res = res != encoder.get_do_mid_side_stereo();
            res = res != encoder.get_loose_mid_side_stereo();
            res = res != encoder.get_max_lpc_order();
            res = res != encoder.get_qlp_coeff_precision();
            res = res != encoder.get_do_qlp_coeff_prec_search();
            res = res != encoder.get_do_escape_coding();
            res = res != encoder.get_min_residual_partition_order();
            res = res != encoder.get_max_residual_partition_order();
            res = res != encoder.get_rice_parameter_search_dist();
            res = res != encoder.get_total_samples_estimate();
            res = res != encoder.get_channels();
            res = res != encoder.get_bits_per_sample();
            res = res != encoder.get_limit_min_bitrate();
            res = res != encoder.get_blocksize();
            res = res != encoder.get_sample_rate();
            res = res != encoder.get_num_threads();
            fuzzing::memory::memory_test(res);
        }

        decoder.process_until_end_of_stream();

    } catch ( ... ) { }

end:
    {
        const bool res = encoder.finish();
        fuzzing::memory::memory_test(res);
    }
    {
        const bool res = decoder.finish();
        fuzzing::memory::memory_test(res);
    }
    for(int i = 0; i < decoder.num_metadata_blocks; i++)
        FLAC__metadata_object_delete(decoder.metadata_blocks[i]);

    return 0;
}

Coverage Report

Created: 2025-11-15 06:27

Line	Count	Source
1		/* Copyright 2019 Guido Vranken
2		*
3		* Permission is hereby granted, free of charge, to any person obtaining
4		* a copy of this software and associated documentation files (the
5		* "Software"), to deal in the Software without restriction, including
6		* without limitation the rights to use, copy, modify, merge, publish,
7		* distribute, sublicense, and/or sell copies of the Software, and to
8		* permit persons to whom the Software is furnished to do so, subject
9		* to the following conditions:
10		*
11		* The above copyright notice and this permission notice shall be
12		* included in all copies or substantial portions of the Software.
13		*
14		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
18		* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19		* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21		* SOFTWARE.
22		*/
23
24		#include <cstddef>
25		#include <cstdint>
26		#include <limits>
27
28		#include <fuzzing/datasource/datasource.hpp>
29		#include <fuzzing/memory.hpp>
30
31		#include "FLAC++/encoder.h"
32		#include "FLAC++/decoder.h"
33		#include "FLAC++/metadata.h"
34		#include "common.h"
35
36	38.7k	#define MAX_NUM_METADATA_BLOCKS 2048
37
38		namespace FLAC {
39		namespace Encoder {
40		class FuzzerStream : public Stream {
41		private:
42		// fuzzing::datasource::Datasource& ds;
43		public:
44		FuzzerStream(fuzzing::datasource::Datasource&) :
45	6.67k	Stream() { }
46
47	1.39M	::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t /* samples /, uint32_t / current_frame */) override {
48	1.39M	fuzzing::memory::memory_test(buffer, bytes);
49	1.39M	return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
50	1.39M	}
51		};
52		}
53		namespace Decoder {
54		class FuzzerDecoder : public Stream {
55		private:
56		fuzzing::datasource::Datasource& ds;
57		FLAC::Encoder::FuzzerStream& encoder;
58		public:
59		FuzzerDecoder(fuzzing::datasource::Datasource& dsrc, FLAC::Encoder::FuzzerStream& encoder_arg) :
60	6.67k	Stream(), ds(dsrc), encoder(encoder_arg) { }
61
62		::FLAC__StreamMetadata * metadata_blocks[MAX_NUM_METADATA_BLOCKS] = {0};
63		int num_metadata_blocks = 0;
64
65	38.7k	void metadata_callback(const ::FLAC__StreamMetadata *metadata) override {
66	38.7k	if(num_metadata_blocks < MAX_NUM_METADATA_BLOCKS)
67	38.5k	if((metadata_blocks[num_metadata_blocks] = FLAC__metadata_object_clone(metadata)) != NULL)
68	38.5k	num_metadata_blocks++;
69	38.7k	}
70
71	75.4k	::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes) override {
72	75.4k	try {
73	75.4k	const size_t maxCopySize = *bytes;
74
75	75.4k	if ( maxCopySize > 0 ) {
76		/* memset just to test if this overwrites anything, and triggers ASAN */
77	75.4k	memset(buffer, 0, maxCopySize);
78	75.4k	}
79
80	75.4k	const auto data = ds.GetData(0);
81	75.4k	const auto dataSize = data.size();
82	75.4k	const auto copySize = std::min(maxCopySize, dataSize);
83
84	75.4k	if ( copySize > 0 ) {
85	11.7k	memcpy(buffer, data.data(), copySize);
86	11.7k	}
87
88	75.4k	*bytes = copySize;
89
90	75.4k	return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
91	75.4k	} catch ( ... ) {
92	5.89k	return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
93	5.89k	}
94	75.4k	}
95
96	35.4k	::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame frame, const FLAC__int32 const buffer[]) override {
97	35.4k	{
98	35.4k	fuzzing::memory::memory_test(&(frame->header), sizeof(frame->header));
99	35.4k	fuzzing::memory::memory_test(&(frame->footer), sizeof(frame->footer));
100	35.4k	}
101
102	35.4k	{
103	35.4k	const auto numChannels = get_channels();
104	35.4k	const size_t bytesPerChannel = frame->header.blocksize * sizeof(FLAC__int32);
105	112k	for (size_t i = 0; i < numChannels; i++) {
106	77.2k	fuzzing::memory::memory_test(buffer[i], bytesPerChannel);
107	77.2k	}
108	35.4k	}
109
110		/* Data is checked, now pass it towards encoder */
111	35.4k	if(encoder.get_state() == FLAC__STREAM_ENCODER_OK) {
112	35.4k	if(encoder.get_channels() != get_channels())
113	41	return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
114	35.3k	if(encoder.get_bits_per_sample() != get_bits_per_sample())
115	16	return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
116	35.3k	encoder.process(buffer, frame->header.blocksize);
117	35.3k	return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
118	35.3k	}
119	0	else
120	0	return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
121	35.4k	}
122	59.0k	void error_callback(::FLAC__StreamDecoderErrorStatus status) override {
123	59.0k	fuzzing::memory::memory_test(status);
124	59.0k	}
125		};
126		}
127		}
128
129	6.67k	extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
130	6.67k	fuzzing::datasource::Datasource ds(data, size);
131	6.67k	FLAC::Encoder::FuzzerStream encoder(ds);
132	6.67k	FLAC::Decoder::FuzzerDecoder decoder(ds, encoder);
133
134	6.67k	try {
135	6.67k	const int channels = ds.Get<uint8_t>();
136	6.67k	const int bps = ds.Get<uint8_t>();
137	6.67k	encoder.set_channels(channels);
138	6.67k	encoder.set_bits_per_sample(bps);
139
140	6.67k	{
141	6.67k	const bool res = encoder.set_streamable_subset(ds.Get<bool>());
142	6.67k	fuzzing::memory::memory_test(res);
143	6.67k	}
144	6.67k	{
145	6.67k	const bool res = encoder.set_ogg_serial_number(ds.Get<long>());
146	6.67k	fuzzing::memory::memory_test(res);
147	6.67k	}
148	6.67k	{
149	6.67k	const bool res = encoder.set_verify(ds.Get<bool>());
150	6.67k	fuzzing::memory::memory_test(res);
151	6.67k	}
152	6.67k	{
153	6.67k	const bool res = encoder.set_compression_level(ds.Get<uint8_t>());
154	6.67k	fuzzing::memory::memory_test(res);
155	6.67k	}
156	6.67k	{
157	6.67k	const bool res = encoder.set_do_mid_side_stereo(ds.Get<bool>());
158	6.67k	fuzzing::memory::memory_test(res);
159	6.67k	}
160	6.67k	{
161	6.67k	const bool res = encoder.set_loose_mid_side_stereo(ds.Get<bool>());
162	6.67k	fuzzing::memory::memory_test(res);
163	6.67k	}
164	6.67k	{
165	6.67k	const bool res = encoder.set_max_lpc_order(ds.Get<uint8_t>());
166	6.67k	fuzzing::memory::memory_test(res);
167	6.67k	}
168	6.67k	{
169	6.67k	const bool res = encoder.set_qlp_coeff_precision(ds.Get<uint32_t>());
170	6.67k	fuzzing::memory::memory_test(res);
171	6.67k	}
172	6.67k	{
173	6.67k	const bool res = encoder.set_do_escape_coding(ds.Get<bool>());
174	6.67k	fuzzing::memory::memory_test(res);
175	6.67k	}
176	6.67k	{
177	6.67k	const bool res = encoder.set_min_residual_partition_order(ds.Get<uint32_t>());
178	6.67k	fuzzing::memory::memory_test(res);
179	6.67k	}
180	6.67k	{
181	6.67k	const bool res = encoder.set_max_residual_partition_order(ds.Get<uint32_t>());
182	6.67k	fuzzing::memory::memory_test(res);
183	6.67k	}
184	6.67k	{
185	6.67k	const bool res = encoder.set_total_samples_estimate(ds.Get<uint64_t>());
186	6.67k	fuzzing::memory::memory_test(res);
187	6.67k	}
188	6.67k	{
189	6.67k	const bool res = encoder.set_blocksize(ds.Get<uint16_t>());
190	6.67k	fuzzing::memory::memory_test(res);
191	6.67k	}
192	6.67k	{
193	6.67k	const bool res = encoder.set_limit_min_bitrate(ds.Get<bool>());
194	6.67k	fuzzing::memory::memory_test(res);
195	6.67k	}
196	6.67k	{
197	6.67k	const bool res = encoder.set_sample_rate(ds.Get<uint32_t>());
198	6.67k	fuzzing::memory::memory_test(res);
199	6.67k	}
200	6.67k	{
201	6.67k	const bool res = encoder.set_num_threads(ds.Get<uint32_t>());
202	6.67k	fuzzing::memory::memory_test(res);
203	6.67k	}
204
205	6.67k	decoder.set_metadata_respond_all();
206
207	6.67k	{
208	6.67k	::FLAC__StreamDecoderInitStatus ret;
209	6.67k	if ( ds.Get<bool>() ) {
210	5.74k	ret = decoder.init();
211	5.74k	} else {
212	928	ret = decoder.init_ogg();
213	928	}
214
215	6.67k	if ( ret != FLAC__STREAM_DECODER_INIT_STATUS_OK ) {
216	0	goto end;
217	0	}
218
219	6.67k	decoder.process_until_end_of_metadata();
220	6.67k	if(decoder.num_metadata_blocks > 0)
221	807	encoder.set_metadata(decoder.metadata_blocks, decoder.num_metadata_blocks);
222	6.67k	}
223
224	0	{
225	6.67k	::FLAC__StreamEncoderInitStatus ret;
226	6.67k	if ( ds.Get<bool>() ) {
227	2.45k	ret = encoder.init();
228	4.22k	} else {
229	4.22k	ret = encoder.init_ogg();
230	4.22k	}
231
232	6.67k	if ( ret != FLAC__STREAM_ENCODER_INIT_STATUS_OK ) {
233	660	goto end;
234	660	}
235	6.67k	}
236
237		/* These sets must fail, because encoder is already initialized */
238	6.01k	{
239	6.01k	bool res = false;
240	6.01k	res = res \|\| encoder.set_streamable_subset(true);
241	6.01k	res = res \|\| encoder.set_ogg_serial_number(0);
242	6.01k	res = res \|\| encoder.set_verify(true);
243	6.01k	res = res \|\| encoder.set_compression_level(0);
244	6.01k	res = res \|\| encoder.set_do_exhaustive_model_search(true);
245	6.01k	res = res \|\| encoder.set_do_mid_side_stereo(true);
246	6.01k	res = res \|\| encoder.set_loose_mid_side_stereo(true);
247	6.01k	res = res \|\| encoder.set_apodization("test");
248	6.01k	res = res \|\| encoder.set_max_lpc_order(0);
249	6.01k	res = res \|\| encoder.set_qlp_coeff_precision(0);
250	6.01k	res = res \|\| encoder.set_do_qlp_coeff_prec_search(true);
251	6.01k	res = res \|\| encoder.set_do_escape_coding(true);
252	6.01k	res = res \|\| encoder.set_min_residual_partition_order(0);
253	6.01k	res = res \|\| encoder.set_max_residual_partition_order(0);
254	6.01k	res = res \|\| encoder.set_rice_parameter_search_dist(0);
255	6.01k	res = res \|\| encoder.set_total_samples_estimate(0);
256	6.01k	res = res \|\| encoder.set_channels(channels);
257	6.01k	res = res \|\| encoder.set_bits_per_sample(16);
258	6.01k	res = res \|\| encoder.set_limit_min_bitrate(true);
259	6.01k	res = res \|\| encoder.set_blocksize(3021);
260	6.01k	res = res \|\| encoder.set_sample_rate(44100);
261	6.01k	res = res \|\| (encoder.set_num_threads(4) == FLAC__STREAM_ENCODER_SET_NUM_THREADS_OK);
262	6.01k	fuzzing::memory::memory_test(res);
263	6.01k	if(res)
264	0	abort();
265	6.01k	}
266
267
268	6.01k	{
269		/* XORing values as otherwise compiler will optimize, apparently */
270	6.01k	bool res = false;
271	6.01k	res = res != encoder.get_streamable_subset();
272	6.01k	res = res != encoder.get_verify();
273	6.01k	res = res != encoder.get_do_exhaustive_model_search();
274	6.01k	res = res != encoder.get_do_mid_side_stereo();
275	6.01k	res = res != encoder.get_loose_mid_side_stereo();
276	6.01k	res = res != encoder.get_max_lpc_order();
277	6.01k	res = res != encoder.get_qlp_coeff_precision();
278	6.01k	res = res != encoder.get_do_qlp_coeff_prec_search();
279	6.01k	res = res != encoder.get_do_escape_coding();
280	6.01k	res = res != encoder.get_min_residual_partition_order();
281	6.01k	res = res != encoder.get_max_residual_partition_order();
282	6.01k	res = res != encoder.get_rice_parameter_search_dist();
283	6.01k	res = res != encoder.get_total_samples_estimate();
284	6.01k	res = res != encoder.get_channels();
285	6.01k	res = res != encoder.get_bits_per_sample();
286	6.01k	res = res != encoder.get_limit_min_bitrate();
287	6.01k	res = res != encoder.get_blocksize();
288	6.01k	res = res != encoder.get_sample_rate();
289	6.01k	res = res != encoder.get_num_threads();
290	6.01k	fuzzing::memory::memory_test(res);
291	6.01k	}
292
293	6.01k	decoder.process_until_end_of_stream();
294
295	6.01k	} catch ( ... ) { }
296
297	6.67k	end:
298	6.67k	{
299	6.67k	const bool res = encoder.finish();
300	6.67k	fuzzing::memory::memory_test(res);
301	6.67k	}
302	6.67k	{
303	6.67k	const bool res = decoder.finish();
304	6.67k	fuzzing::memory::memory_test(res);
305	6.67k	}
306	45.2k	for(int i = 0; i < decoder.num_metadata_blocks; i++)
307	38.5k	FLAC__metadata_object_delete(decoder.metadata_blocks[i]);
308
309	6.67k	return 0;
310	6.67k	}