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Viewing changes to src/libFLAC++/seekable_stream_encoder.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Joshua Kwan
  • Date: 2007-05-29 22:56:36 UTC
  • mto: (8.1.1 lenny)
  • mto: This revision was merged to the branch mainline in revision 9.
  • Revision ID: james.westby@ubuntu.com-20070529225636-p8lkii0r0kp50pns
Tags: upstream-1.1.4
Import upstream version 1.1.4

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src/libFLAC++/seekable_stream_encoder.cpp
1
 
/* libFLAC++ - Free Lossless Audio Codec library
2
 
 * Copyright (C) 2002,2003,2004,2005  Josh Coalson
3
 
 *
4
 
 * Redistribution and use in source and binary forms, with or without
5
 
 * modification, are permitted provided that the following conditions
6
 
 * are met:
7
 
 *
8
 
 * - Redistributions of source code must retain the above copyright
9
 
 * notice, this list of conditions and the following disclaimer.
10
 
 *
11
 
 * - Redistributions in binary form must reproduce the above copyright
12
 
 * notice, this list of conditions and the following disclaimer in the
13
 
 * documentation and/or other materials provided with the distribution.
14
 
 *
15
 
 * - Neither the name of the Xiph.org Foundation nor the names of its
16
 
 * contributors may be used to endorse or promote products derived from
17
 
 * this software without specific prior written permission.
18
 
 *
19
 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20
 
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21
 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22
 
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
23
 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24
 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25
 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26
 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27
 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28
 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29
 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
 
 */
31
 
 
32
 
#include "FLAC++/encoder.h"
33
 
#include "FLAC/assert.h"
34
 
 
35
 
#ifdef _MSC_VER
36
 
// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
37
 
#pragma warning ( disable : 4800 )
38
 
#endif
39
 
 
40
 
namespace FLAC {
41
 
        namespace Encoder {
42
 
 
43
 
                SeekableStream::SeekableStream():
44
 
                encoder_(::FLAC__seekable_stream_encoder_new())
45
 
                { }
46
 
 
47
 
                SeekableStream::~SeekableStream()
48
 
                {
49
 
                        if(0 != encoder_) {
50
 
                                ::FLAC__seekable_stream_encoder_finish(encoder_);
51
 
                                ::FLAC__seekable_stream_encoder_delete(encoder_);
52
 
                        }
53
 
                }
54
 
 
55
 
                bool SeekableStream::is_valid() const
56
 
                {
57
 
                        return 0 != encoder_;
58
 
                }
59
 
 
60
 
                bool SeekableStream::set_verify(bool value)
61
 
                {
62
 
                        FLAC__ASSERT(is_valid());
63
 
                        return (bool)::FLAC__seekable_stream_encoder_set_verify(encoder_, value);
64
 
                }
65
 
 
66
 
                bool SeekableStream::set_streamable_subset(bool value)
67
 
                {
68
 
                        FLAC__ASSERT(is_valid());
69
 
                        return (bool)::FLAC__seekable_stream_encoder_set_streamable_subset(encoder_, value);
70
 
                }
71
 
 
72
 
                bool SeekableStream::set_do_mid_side_stereo(bool value)
73
 
                {
74
 
                        FLAC__ASSERT(is_valid());
75
 
                        return (bool)::FLAC__seekable_stream_encoder_set_do_mid_side_stereo(encoder_, value);
76
 
                }
77
 
 
78
 
                bool SeekableStream::set_loose_mid_side_stereo(bool value)
79
 
                {
80
 
                        FLAC__ASSERT(is_valid());
81
 
                        return (bool)::FLAC__seekable_stream_encoder_set_loose_mid_side_stereo(encoder_, value);
82
 
                }
83
 
 
84
 
                bool SeekableStream::set_channels(unsigned value)
85
 
                {
86
 
                        FLAC__ASSERT(is_valid());
87
 
                        return (bool)::FLAC__seekable_stream_encoder_set_channels(encoder_, value);
88
 
                }
89
 
 
90
 
                bool SeekableStream::set_bits_per_sample(unsigned value)
91
 
                {
92
 
                        FLAC__ASSERT(is_valid());
93
 
                        return (bool)::FLAC__seekable_stream_encoder_set_bits_per_sample(encoder_, value);
94
 
                }
95
 
 
96
 
                bool SeekableStream::set_sample_rate(unsigned value)
97
 
                {
98
 
                        FLAC__ASSERT(is_valid());
99
 
                        return (bool)::FLAC__seekable_stream_encoder_set_sample_rate(encoder_, value);
100
 
                }
101
 
 
102
 
                bool SeekableStream::set_blocksize(unsigned value)
103
 
                {
104
 
                        FLAC__ASSERT(is_valid());
105
 
                        return (bool)::FLAC__seekable_stream_encoder_set_blocksize(encoder_, value);
106
 
                }
107
 
 
108
 
                bool SeekableStream::set_max_lpc_order(unsigned value)
109
 
                {
110
 
                        FLAC__ASSERT(is_valid());
111
 
                        return (bool)::FLAC__seekable_stream_encoder_set_max_lpc_order(encoder_, value);
112
 
                }
113
 
 
114
 
                bool SeekableStream::set_qlp_coeff_precision(unsigned value)
115
 
                {
116
 
                        FLAC__ASSERT(is_valid());
117
 
                        return (bool)::FLAC__seekable_stream_encoder_set_qlp_coeff_precision(encoder_, value);
118
 
                }
119
 
 
120
 
                bool SeekableStream::set_do_qlp_coeff_prec_search(bool value)
121
 
                {
122
 
                        FLAC__ASSERT(is_valid());
123
 
                        return (bool)::FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
124
 
                }
125
 
 
126
 
                bool SeekableStream::set_do_escape_coding(bool value)
127
 
                {
128
 
                        FLAC__ASSERT(is_valid());
129
 
                        return (bool)::FLAC__seekable_stream_encoder_set_do_escape_coding(encoder_, value);
130
 
                }
131
 
 
132
 
                bool SeekableStream::set_do_exhaustive_model_search(bool value)
133
 
                {
134
 
                        FLAC__ASSERT(is_valid());
135
 
                        return (bool)::FLAC__seekable_stream_encoder_set_do_exhaustive_model_search(encoder_, value);
136
 
                }
137
 
 
138
 
                bool SeekableStream::set_min_residual_partition_order(unsigned value)
139
 
                {
140
 
                        FLAC__ASSERT(is_valid());
141
 
                        return (bool)::FLAC__seekable_stream_encoder_set_min_residual_partition_order(encoder_, value);
142
 
                }
143
 
 
144
 
                bool SeekableStream::set_max_residual_partition_order(unsigned value)
145
 
                {
146
 
                        FLAC__ASSERT(is_valid());
147
 
                        return (bool)::FLAC__seekable_stream_encoder_set_max_residual_partition_order(encoder_, value);
148
 
                }
149
 
 
150
 
                bool SeekableStream::set_rice_parameter_search_dist(unsigned value)
151
 
                {
152
 
                        FLAC__ASSERT(is_valid());
153
 
                        return (bool)::FLAC__seekable_stream_encoder_set_rice_parameter_search_dist(encoder_, value);
154
 
                }
155
 
 
156
 
                bool SeekableStream::set_total_samples_estimate(FLAC__uint64 value)
157
 
                {
158
 
                        FLAC__ASSERT(is_valid());
159
 
                        return (bool)::FLAC__seekable_stream_encoder_set_total_samples_estimate(encoder_, value);
160
 
                }
161
 
 
162
 
                bool SeekableStream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
163
 
                {
164
 
                        FLAC__ASSERT(is_valid());
165
 
                        return (bool)::FLAC__seekable_stream_encoder_set_metadata(encoder_, metadata, num_blocks);
166
 
                }
167
 
 
168
 
                bool SeekableStream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
169
 
                {
170
 
                        FLAC__ASSERT(is_valid());
171
 
#if (defined _MSC_VER) || (defined __SUNPRO_CC)
172
 
                        // MSVC++ can't handle:
173
 
                        // ::FLAC__StreamMetadata *m[num_blocks];
174
 
                        // so we do this ugly workaround
175
 
                        ::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
176
 
#else
177
 
                        ::FLAC__StreamMetadata *m[num_blocks];
178
 
#endif
179
 
                        for(unsigned i = 0; i < num_blocks; i++) {
180
 
                                // we can get away with this since we know the encoder will only correct the is_last flags
181
 
                                m[i] = const_cast< ::FLAC__StreamMetadata*>((::FLAC__StreamMetadata*)metadata[i]);
182
 
                        }
183
 
#if (defined _MSC_VER) || (defined __SUNPRO_CC)
184
 
                        // complete the hack
185
 
                        const bool ok = (bool)::FLAC__seekable_stream_encoder_set_metadata(encoder_, m, num_blocks);
186
 
                        delete [] m;
187
 
                        return ok;
188
 
#else
189
 
                        return (bool)::FLAC__seekable_stream_encoder_set_metadata(encoder_, m, num_blocks);
190
 
#endif
191
 
                }
192
 
 
193
 
                SeekableStream::State SeekableStream::get_state() const
194
 
                {
195
 
                        FLAC__ASSERT(is_valid());
196
 
                        return State(::FLAC__seekable_stream_encoder_get_state(encoder_));
197
 
                }
198
 
 
199
 
                Stream::State SeekableStream::get_stream_encoder_state() const
200
 
                {
201
 
                        FLAC__ASSERT(is_valid());
202
 
                        return Stream::State(::FLAC__seekable_stream_encoder_get_stream_encoder_state(encoder_));
203
 
                }
204
 
 
205
 
                Decoder::Stream::State SeekableStream::get_verify_decoder_state() const
206
 
                {
207
 
                        FLAC__ASSERT(is_valid());
208
 
                        return Decoder::Stream::State(::FLAC__seekable_stream_encoder_get_verify_decoder_state(encoder_));
209
 
                }
210
 
 
211
 
                void SeekableStream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
212
 
                {
213
 
                        FLAC__ASSERT(is_valid());
214
 
                        ::FLAC__seekable_stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
215
 
                }
216
 
 
217
 
                bool SeekableStream::get_verify() const
218
 
                {
219
 
                        FLAC__ASSERT(is_valid());
220
 
                        return (bool)::FLAC__seekable_stream_encoder_get_verify(encoder_);
221
 
                }
222
 
 
223
 
                bool SeekableStream::get_streamable_subset() const
224
 
                {
225
 
                        FLAC__ASSERT(is_valid());
226
 
                        return (bool)::FLAC__seekable_stream_encoder_get_streamable_subset(encoder_);
227
 
                }
228
 
 
229
 
                bool SeekableStream::get_do_mid_side_stereo() const
230
 
                {
231
 
                        FLAC__ASSERT(is_valid());
232
 
                        return (bool)::FLAC__seekable_stream_encoder_get_do_mid_side_stereo(encoder_);
233
 
                }
234
 
 
235
 
                bool SeekableStream::get_loose_mid_side_stereo() const
236
 
                {
237
 
                        FLAC__ASSERT(is_valid());
238
 
                        return (bool)::FLAC__seekable_stream_encoder_get_loose_mid_side_stereo(encoder_);
239
 
                }
240
 
 
241
 
                unsigned SeekableStream::get_channels() const
242
 
                {
243
 
                        FLAC__ASSERT(is_valid());
244
 
                        return ::FLAC__seekable_stream_encoder_get_channels(encoder_);
245
 
                }
246
 
 
247
 
                unsigned SeekableStream::get_bits_per_sample() const
248
 
                {
249
 
                        FLAC__ASSERT(is_valid());
250
 
                        return ::FLAC__seekable_stream_encoder_get_bits_per_sample(encoder_);
251
 
                }
252
 
 
253
 
                unsigned SeekableStream::get_sample_rate() const
254
 
                {
255
 
                        FLAC__ASSERT(is_valid());
256
 
                        return ::FLAC__seekable_stream_encoder_get_sample_rate(encoder_);
257
 
                }
258
 
 
259
 
                unsigned SeekableStream::get_blocksize() const
260
 
                {
261
 
                        FLAC__ASSERT(is_valid());
262
 
                        return ::FLAC__seekable_stream_encoder_get_blocksize(encoder_);
263
 
                }
264
 
 
265
 
                unsigned SeekableStream::get_max_lpc_order() const
266
 
                {
267
 
                        FLAC__ASSERT(is_valid());
268
 
                        return ::FLAC__seekable_stream_encoder_get_max_lpc_order(encoder_);
269
 
                }
270
 
 
271
 
                unsigned SeekableStream::get_qlp_coeff_precision() const
272
 
                {
273
 
                        FLAC__ASSERT(is_valid());
274
 
                        return ::FLAC__seekable_stream_encoder_get_qlp_coeff_precision(encoder_);
275
 
                }
276
 
 
277
 
                bool SeekableStream::get_do_qlp_coeff_prec_search() const
278
 
                {
279
 
                        FLAC__ASSERT(is_valid());
280
 
                        return (bool)::FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
281
 
                }
282
 
 
283
 
                bool SeekableStream::get_do_escape_coding() const
284
 
                {
285
 
                        FLAC__ASSERT(is_valid());
286
 
                        return (bool)::FLAC__seekable_stream_encoder_get_do_escape_coding(encoder_);
287
 
                }
288
 
 
289
 
                bool SeekableStream::get_do_exhaustive_model_search() const
290
 
                {
291
 
                        FLAC__ASSERT(is_valid());
292
 
                        return (bool)::FLAC__seekable_stream_encoder_get_do_exhaustive_model_search(encoder_);
293
 
                }
294
 
 
295
 
                unsigned SeekableStream::get_min_residual_partition_order() const
296
 
                {
297
 
                        FLAC__ASSERT(is_valid());
298
 
                        return ::FLAC__seekable_stream_encoder_get_min_residual_partition_order(encoder_);
299
 
                }
300
 
 
301
 
                unsigned SeekableStream::get_max_residual_partition_order() const
302
 
                {
303
 
                        FLAC__ASSERT(is_valid());
304
 
                        return ::FLAC__seekable_stream_encoder_get_max_residual_partition_order(encoder_);
305
 
                }
306
 
 
307
 
                unsigned SeekableStream::get_rice_parameter_search_dist() const
308
 
                {
309
 
                        FLAC__ASSERT(is_valid());
310
 
                        return ::FLAC__seekable_stream_encoder_get_rice_parameter_search_dist(encoder_);
311
 
                }
312
 
 
313
 
                FLAC__uint64 SeekableStream::get_total_samples_estimate() const
314
 
                {
315
 
                        FLAC__ASSERT(is_valid());
316
 
                        return ::FLAC__seekable_stream_encoder_get_total_samples_estimate(encoder_);
317
 
                }
318
 
 
319
 
                SeekableStream::State SeekableStream::init()
320
 
                {
321
 
                        FLAC__ASSERT(is_valid());
322
 
                        ::FLAC__seekable_stream_encoder_set_seek_callback(encoder_, seek_callback_);
323
 
                        ::FLAC__seekable_stream_encoder_set_tell_callback(encoder_, tell_callback_);
324
 
                        ::FLAC__seekable_stream_encoder_set_write_callback(encoder_, write_callback_);
325
 
                        ::FLAC__seekable_stream_encoder_set_client_data(encoder_, (void*)this);
326
 
                        return State(::FLAC__seekable_stream_encoder_init(encoder_));
327
 
                }
328
 
 
329
 
                void SeekableStream::finish()
330
 
                {
331
 
                        FLAC__ASSERT(is_valid());
332
 
                        ::FLAC__seekable_stream_encoder_finish(encoder_);
333
 
                }
334
 
 
335
 
                bool SeekableStream::process(const FLAC__int32 * const buffer[], unsigned samples)
336
 
                {
337
 
                        FLAC__ASSERT(is_valid());
338
 
                        return (bool)::FLAC__seekable_stream_encoder_process(encoder_, buffer, samples);
339
 
                }
340
 
 
341
 
                bool SeekableStream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
342
 
                {
343
 
                        FLAC__ASSERT(is_valid());
344
 
                        return (bool)::FLAC__seekable_stream_encoder_process_interleaved(encoder_, buffer, samples);
345
 
                }
346
 
 
347
 
                ::FLAC__SeekableStreamEncoderSeekStatus SeekableStream::seek_callback_(const ::FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
348
 
                {
349
 
                        (void)encoder;
350
 
                        FLAC__ASSERT(0 != client_data);
351
 
                        SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
352
 
                        FLAC__ASSERT(0 != instance);
353
 
                        return instance->seek_callback(absolute_byte_offset);
354
 
                }
355
 
 
356
 
                ::FLAC__SeekableStreamEncoderTellStatus SeekableStream::tell_callback_(const ::FLAC__SeekableStreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
357
 
                {
358
 
                        (void)encoder;
359
 
                        FLAC__ASSERT(0 != client_data);
360
 
                        SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
361
 
                        FLAC__ASSERT(0 != instance);
362
 
                        return instance->tell_callback(absolute_byte_offset);
363
 
                }
364
 
 
365
 
                ::FLAC__StreamEncoderWriteStatus SeekableStream::write_callback_(const ::FLAC__SeekableStreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
366
 
                {
367
 
                        (void)encoder;
368
 
                        FLAC__ASSERT(0 != client_data);
369
 
                        SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
370
 
                        FLAC__ASSERT(0 != instance);
371
 
                        return instance->write_callback(buffer, bytes, samples, current_frame);
372
 
                }
373
 
 
374
 
        }
375
 
}