stream_encoder.cpp 10.8 KB
Newer Older
Josh Coalson's avatar
Josh Coalson committed
1
/* libFLAC++ - Free Lossless Audio Codec library
Josh Coalson's avatar
Josh Coalson committed
2
 * Copyright (C) 2002,2003,2004,2005  Josh Coalson
Josh Coalson's avatar
Josh Coalson committed
3
 *
4
5
6
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
Josh Coalson's avatar
Josh Coalson committed
7
 *
8
9
 * - Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
Josh Coalson's avatar
Josh Coalson committed
10
 *
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 * - Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the Xiph.org Foundation nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Josh Coalson's avatar
Josh Coalson committed
30
31
32
 */

#include "FLAC++/encoder.h"
33
#include "FLAC++/metadata.h"
Josh Coalson's avatar
Josh Coalson committed
34
35
#include "FLAC/assert.h"

36
37
38
39
40
#ifdef _MSC_VER
// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
#pragma warning ( disable : 4800 )
#endif

Josh Coalson's avatar
Josh Coalson committed
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
namespace FLAC {
	namespace Encoder {

		Stream::Stream():
		encoder_(::FLAC__stream_encoder_new())
		{ }

		Stream::~Stream()
		{
			if(0 != encoder_) {
				::FLAC__stream_encoder_finish(encoder_);
				::FLAC__stream_encoder_delete(encoder_);
			}
		}

		bool Stream::is_valid() const
		{
			return 0 != encoder_;
		}

Josh Coalson's avatar
Josh Coalson committed
61
62
63
64
65
66
		bool Stream::set_verify(bool value)
		{
			FLAC__ASSERT(is_valid());
			return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
		}

Josh Coalson's avatar
Josh Coalson committed
67
68
69
		bool Stream::set_streamable_subset(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
70
			return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
71
72
73
74
75
		}

		bool Stream::set_do_mid_side_stereo(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
76
			return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
77
78
79
80
81
		}

		bool Stream::set_loose_mid_side_stereo(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
82
			return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
83
84
85
86
87
		}

		bool Stream::set_channels(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
88
			return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
89
90
91
92
93
		}

		bool Stream::set_bits_per_sample(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
94
			return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
95
96
97
98
99
		}

		bool Stream::set_sample_rate(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
100
			return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
101
102
103
104
105
		}

		bool Stream::set_blocksize(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
106
			return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
107
108
109
110
111
		}

		bool Stream::set_max_lpc_order(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
112
			return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
113
114
115
116
117
		}

		bool Stream::set_qlp_coeff_precision(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
118
			return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
119
120
121
122
123
		}

		bool Stream::set_do_qlp_coeff_prec_search(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
124
			return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
125
126
127
128
129
		}

		bool Stream::set_do_escape_coding(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
130
			return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
131
132
133
134
135
		}

		bool Stream::set_do_exhaustive_model_search(bool value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
136
			return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
137
138
139
140
141
		}

		bool Stream::set_min_residual_partition_order(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
142
			return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
143
144
145
146
147
		}

		bool Stream::set_max_residual_partition_order(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
148
			return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
149
150
151
152
153
		}

		bool Stream::set_rice_parameter_search_dist(unsigned value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
154
			return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
155
156
157
158
159
		}

		bool Stream::set_total_samples_estimate(FLAC__uint64 value)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
160
			return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
Josh Coalson's avatar
Josh Coalson committed
161
162
		}

163
		bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
Josh Coalson's avatar
Josh Coalson committed
164
165
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
166
			return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
Josh Coalson's avatar
Josh Coalson committed
167
168
		}

169
170
171
		bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
		{
			FLAC__ASSERT(is_valid());
172
173
174
175
176
177
#ifdef _MSC_VER
			// MSVC++ can't handle:
			// ::FLAC__StreamMetadata *m[num_blocks];
			// so we do this ugly workaround
			::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
#else
178
			::FLAC__StreamMetadata *m[num_blocks];
179
#endif
180
181
182
183
			for(unsigned i = 0; i < num_blocks; i++) {
				// we can get away with this since we know the encoder will only correct the is_last flags
				m[i] = const_cast< ::FLAC__StreamMetadata*>((::FLAC__StreamMetadata*)metadata[i]);
			}
184
185
186
187
188
189
#ifdef _MSC_VER
			// complete the hack
			const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
			delete [] m;
			return ok;
#else
190
			return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
191
#endif
192
193
		}

Josh Coalson's avatar
Josh Coalson committed
194
195
196
197
198
199
		Stream::State Stream::get_state() const
		{
			FLAC__ASSERT(is_valid());
			return State(::FLAC__stream_encoder_get_state(encoder_));
		}

Josh Coalson's avatar
Josh Coalson committed
200
201
202
203
204
205
		Decoder::Stream::State Stream::get_verify_decoder_state() const
		{
			FLAC__ASSERT(is_valid());
			return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
		}

206
207
208
		void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
209
			::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
210
211
		}

Josh Coalson's avatar
Josh Coalson committed
212
213
214
215
216
217
		bool Stream::get_verify() const
		{
			FLAC__ASSERT(is_valid());
			return (bool)::FLAC__stream_encoder_get_verify(encoder_);
		}

Josh Coalson's avatar
Josh Coalson committed
218
219
220
		bool Stream::get_streamable_subset() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
221
			return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
Josh Coalson's avatar
Josh Coalson committed
222
223
224
225
226
		}

		bool Stream::get_do_mid_side_stereo() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
227
			return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
Josh Coalson's avatar
Josh Coalson committed
228
229
230
231
232
		}

		bool Stream::get_loose_mid_side_stereo() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
233
			return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
Josh Coalson's avatar
Josh Coalson committed
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
		}

		unsigned Stream::get_channels() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_channels(encoder_);
		}

		unsigned Stream::get_bits_per_sample() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
		}

		unsigned Stream::get_sample_rate() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_sample_rate(encoder_);
		}

		unsigned Stream::get_blocksize() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_blocksize(encoder_);
		}

		unsigned Stream::get_max_lpc_order() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
		}

		unsigned Stream::get_qlp_coeff_precision() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
		}

		bool Stream::get_do_qlp_coeff_prec_search() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
275
			return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
Josh Coalson's avatar
Josh Coalson committed
276
277
278
279
280
		}

		bool Stream::get_do_escape_coding() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
281
			return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
Josh Coalson's avatar
Josh Coalson committed
282
283
284
285
286
		}

		bool Stream::get_do_exhaustive_model_search() const
		{
			FLAC__ASSERT(is_valid());
Josh Coalson's avatar
Josh Coalson committed
287
			return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
Josh Coalson's avatar
Josh Coalson committed
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
		}

		unsigned Stream::get_min_residual_partition_order() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
		}

		unsigned Stream::get_max_residual_partition_order() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
		}

		unsigned Stream::get_rice_parameter_search_dist() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
		}

308
309
310
311
312
313
		FLAC__uint64 Stream::get_total_samples_estimate() const
		{
			FLAC__ASSERT(is_valid());
			return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
		}

Josh Coalson's avatar
Josh Coalson committed
314
315
316
		Stream::State Stream::init()
		{
			FLAC__ASSERT(is_valid());
317
318
319
			::FLAC__stream_encoder_set_write_callback(encoder_, write_callback_);
			::FLAC__stream_encoder_set_metadata_callback(encoder_, metadata_callback_);
			::FLAC__stream_encoder_set_client_data(encoder_, (void*)this);
Josh Coalson's avatar
Josh Coalson committed
320
321
322
323
324
325
326
327
328
			return State(::FLAC__stream_encoder_init(encoder_));
		}

		void Stream::finish()
		{
			FLAC__ASSERT(is_valid());
			::FLAC__stream_encoder_finish(encoder_);
		}

329
		bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
Josh Coalson's avatar
Josh Coalson committed
330
331
		{
			FLAC__ASSERT(is_valid());
332
			return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
Josh Coalson's avatar
Josh Coalson committed
333
334
		}

335
		bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
Josh Coalson's avatar
Josh Coalson committed
336
337
		{
			FLAC__ASSERT(is_valid());
338
			return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
Josh Coalson's avatar
Josh Coalson committed
339
340
341
342
343
344
345
346
347
348
349
		}

		::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
		{
			(void)encoder;
			FLAC__ASSERT(0 != client_data);
			Stream *instance = reinterpret_cast<Stream *>(client_data);
			FLAC__ASSERT(0 != instance);
			return instance->write_callback(buffer, bytes, samples, current_frame);
		}

350
		void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
Josh Coalson's avatar
Josh Coalson committed
351
352
353
354
355
356
357
358
		{
			(void)encoder;
			FLAC__ASSERT(0 != client_data);
			Stream *instance = reinterpret_cast<Stream *>(client_data);
			FLAC__ASSERT(0 != instance);
			instance->metadata_callback(metadata);
		}

359
360
	}
}