1 /* libOggFLAC - Free Lossless Audio Codec + Ogg library
2 * Copyright (C) 2002 Josh Coalson
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #include <stdlib.h> /* for calloc() */
22 #include <string.h> /* for memcpy() */
24 #include "FLAC/assert.h"
25 #include "OggFLAC/stream_decoder.h"
26 #include "protected/stream_encoder.h"
28 /***********************************************************************
30 * Private class method prototypes
32 ***********************************************************************/
34 /* unpublished debug routines */
35 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
36 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
37 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
39 static void set_defaults_(OggFLAC__StreamEncoder *encoder);
40 static FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
41 static void metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
44 /***********************************************************************
48 ***********************************************************************/
50 typedef struct OggFLAC__StreamEncoderPrivate {
51 OggFLAC__StreamEncoderWriteCallback write_callback;
53 FLAC__StreamEncoder *FLAC_stream_encoder;
54 /* internal vars (all the above are class settings) */
55 FLAC__bool is_first_packet;
56 FLAC__uint64 samples_written;
58 ogg_stream_state stream_state;
61 } OggFLAC__StreamEncoderPrivate;
64 /***********************************************************************
66 * Public static class data
68 ***********************************************************************/
70 const OggFLAC_API char * const OggFLAC__StreamEncoderStateString[] = {
71 "OggFLAC__STREAM_ENCODER_OK",
72 "OggFLAC__STREAM_ENCODER_OGG_ERROR",
73 "OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR",
74 "OggFLAC__STREAM_ENCODER_INVALID_CALLBACK",
75 "OggFLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR",
76 "OggFLAC__STREAM_ENCODER_ALREADY_INITIALIZED",
77 "OggFLAC__STREAM_ENCODER_UNINITIALIZED"
81 /***********************************************************************
83 * Class constructor/destructor
86 OggFLAC_API OggFLAC__StreamEncoder *OggFLAC__stream_encoder_new()
88 OggFLAC__StreamEncoder *encoder;
90 encoder = (OggFLAC__StreamEncoder*)calloc(1, sizeof(OggFLAC__StreamEncoder));
95 encoder->protected_ = (OggFLAC__StreamEncoderProtected*)calloc(1, sizeof(OggFLAC__StreamEncoderProtected));
96 if(encoder->protected_ == 0) {
101 encoder->private_ = (OggFLAC__StreamEncoderPrivate*)calloc(1, sizeof(OggFLAC__StreamEncoderPrivate));
102 if(encoder->private_ == 0) {
103 free(encoder->protected_);
108 encoder->private_->FLAC_stream_encoder = FLAC__stream_encoder_new();
109 if(0 == encoder->private_->FLAC_stream_encoder) {
110 free(encoder->private_);
111 free(encoder->protected_);
116 set_defaults_(encoder);
118 encoder->protected_->state = OggFLAC__STREAM_ENCODER_UNINITIALIZED;
123 OggFLAC_API void OggFLAC__stream_encoder_delete(OggFLAC__StreamEncoder *encoder)
125 FLAC__ASSERT(0 != encoder);
126 FLAC__ASSERT(0 != encoder->protected_);
127 FLAC__ASSERT(0 != encoder->private_);
128 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
130 (void)OggFLAC__stream_encoder_finish(encoder);
132 FLAC__stream_encoder_delete(encoder->private_->FLAC_stream_encoder);
134 free(encoder->private_);
135 free(encoder->protected_);
140 /***********************************************************************
142 * Public class methods
144 ***********************************************************************/
146 OggFLAC_API OggFLAC__StreamEncoderState OggFLAC__stream_encoder_init(OggFLAC__StreamEncoder *encoder)
148 FLAC__ASSERT(0 != encoder);
150 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
151 return encoder->protected_->state = OggFLAC__STREAM_ENCODER_ALREADY_INITIALIZED;
153 if(0 == encoder->private_->write_callback)
154 return encoder->protected_->state = OggFLAC__STREAM_ENCODER_INVALID_CALLBACK;
156 if(ogg_stream_init(&encoder->private_->ogg.stream_state, encoder->protected_->serial_number) != 0)
157 return encoder->protected_->state = OggFLAC__STREAM_ENCODER_OGG_ERROR;
159 FLAC__stream_encoder_set_write_callback(encoder->private_->FLAC_stream_encoder, write_callback_);
160 FLAC__stream_encoder_set_metadata_callback(encoder->private_->FLAC_stream_encoder, metadata_callback_);
161 FLAC__stream_encoder_set_client_data(encoder->private_->FLAC_stream_encoder, encoder);
163 if(FLAC__stream_encoder_init(encoder->private_->FLAC_stream_encoder) != FLAC__STREAM_ENCODER_OK)
164 return encoder->protected_->state = OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR;
166 encoder->private_->is_first_packet = true;
167 encoder->private_->samples_written = 0;
169 return encoder->protected_->state = OggFLAC__STREAM_ENCODER_OK;
172 OggFLAC_API void OggFLAC__stream_encoder_finish(OggFLAC__StreamEncoder *encoder)
174 FLAC__ASSERT(0 != encoder);
175 FLAC__ASSERT(0 != encoder->private_);
176 FLAC__ASSERT(0 != encoder->protected_);
178 if(encoder->protected_->state == OggFLAC__STREAM_ENCODER_UNINITIALIZED)
181 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
183 FLAC__stream_encoder_finish(encoder->private_->FLAC_stream_encoder);
185 (void)ogg_stream_clear(&encoder->private_->ogg.stream_state);
187 set_defaults_(encoder);
189 encoder->protected_->state = OggFLAC__STREAM_ENCODER_UNINITIALIZED;
192 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_serial_number(OggFLAC__StreamEncoder *encoder, long value)
194 FLAC__ASSERT(0 != encoder);
195 FLAC__ASSERT(0 != encoder->private_);
196 FLAC__ASSERT(0 != encoder->protected_);
197 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
198 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
200 encoder->protected_->serial_number = value;
204 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_verify(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
206 FLAC__ASSERT(0 != encoder);
207 FLAC__ASSERT(0 != encoder->private_);
208 FLAC__ASSERT(0 != encoder->protected_);
209 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
210 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
212 return FLAC__stream_encoder_set_verify(encoder->private_->FLAC_stream_encoder, value);
215 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_streamable_subset(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
217 FLAC__ASSERT(0 != encoder);
218 FLAC__ASSERT(0 != encoder->private_);
219 FLAC__ASSERT(0 != encoder->protected_);
220 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
221 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
223 return FLAC__stream_encoder_set_streamable_subset(encoder->private_->FLAC_stream_encoder, value);
226 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_mid_side_stereo(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
228 FLAC__ASSERT(0 != encoder);
229 FLAC__ASSERT(0 != encoder->private_);
230 FLAC__ASSERT(0 != encoder->protected_);
231 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
232 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
234 return FLAC__stream_encoder_set_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value);
237 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_loose_mid_side_stereo(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
239 FLAC__ASSERT(0 != encoder);
240 FLAC__ASSERT(0 != encoder->private_);
241 FLAC__ASSERT(0 != encoder->protected_);
242 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
243 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
245 return FLAC__stream_encoder_set_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value);
248 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_channels(OggFLAC__StreamEncoder *encoder, unsigned value)
250 FLAC__ASSERT(0 != encoder);
251 FLAC__ASSERT(0 != encoder->private_);
252 FLAC__ASSERT(0 != encoder->protected_);
253 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
254 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
256 return FLAC__stream_encoder_set_channels(encoder->private_->FLAC_stream_encoder, value);
259 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_bits_per_sample(OggFLAC__StreamEncoder *encoder, unsigned value)
261 FLAC__ASSERT(0 != encoder);
262 FLAC__ASSERT(0 != encoder->private_);
263 FLAC__ASSERT(0 != encoder->protected_);
264 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
265 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
267 return FLAC__stream_encoder_set_bits_per_sample(encoder->private_->FLAC_stream_encoder, value);
270 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_sample_rate(OggFLAC__StreamEncoder *encoder, unsigned value)
272 FLAC__ASSERT(0 != encoder);
273 FLAC__ASSERT(0 != encoder->private_);
274 FLAC__ASSERT(0 != encoder->protected_);
275 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
276 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
278 return FLAC__stream_encoder_set_sample_rate(encoder->private_->FLAC_stream_encoder, value);
281 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_blocksize(OggFLAC__StreamEncoder *encoder, unsigned value)
283 FLAC__ASSERT(0 != encoder);
284 FLAC__ASSERT(0 != encoder->private_);
285 FLAC__ASSERT(0 != encoder->protected_);
286 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
287 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
289 return FLAC__stream_encoder_set_blocksize(encoder->private_->FLAC_stream_encoder, value);
292 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_max_lpc_order(OggFLAC__StreamEncoder *encoder, unsigned value)
294 FLAC__ASSERT(0 != encoder);
295 FLAC__ASSERT(0 != encoder->private_);
296 FLAC__ASSERT(0 != encoder->protected_);
297 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
298 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
300 return FLAC__stream_encoder_set_max_lpc_order(encoder->private_->FLAC_stream_encoder, value);
303 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_qlp_coeff_precision(OggFLAC__StreamEncoder *encoder, unsigned value)
305 FLAC__ASSERT(0 != encoder);
306 FLAC__ASSERT(0 != encoder->private_);
307 FLAC__ASSERT(0 != encoder->protected_);
308 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
309 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
311 return FLAC__stream_encoder_set_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder, value);
314 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
316 FLAC__ASSERT(0 != encoder);
317 FLAC__ASSERT(0 != encoder->private_);
318 FLAC__ASSERT(0 != encoder->protected_);
319 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
320 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
322 return FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder, value);
325 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_escape_coding(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
327 FLAC__ASSERT(0 != encoder);
328 FLAC__ASSERT(0 != encoder->private_);
329 FLAC__ASSERT(0 != encoder->protected_);
330 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
331 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
333 return FLAC__stream_encoder_set_do_escape_coding(encoder->private_->FLAC_stream_encoder, value);
336 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_exhaustive_model_search(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
338 FLAC__ASSERT(0 != encoder);
339 FLAC__ASSERT(0 != encoder->private_);
340 FLAC__ASSERT(0 != encoder->protected_);
341 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
342 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
344 return FLAC__stream_encoder_set_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder, value);
347 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_min_residual_partition_order(OggFLAC__StreamEncoder *encoder, unsigned value)
349 FLAC__ASSERT(0 != encoder);
350 FLAC__ASSERT(0 != encoder->private_);
351 FLAC__ASSERT(0 != encoder->protected_);
352 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
353 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
355 return FLAC__stream_encoder_set_min_residual_partition_order(encoder->private_->FLAC_stream_encoder, value);
358 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_max_residual_partition_order(OggFLAC__StreamEncoder *encoder, unsigned value)
360 FLAC__ASSERT(0 != encoder);
361 FLAC__ASSERT(0 != encoder->private_);
362 FLAC__ASSERT(0 != encoder->protected_);
363 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
364 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
366 return FLAC__stream_encoder_set_max_residual_partition_order(encoder->private_->FLAC_stream_encoder, value);
369 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_rice_parameter_search_dist(OggFLAC__StreamEncoder *encoder, unsigned value)
371 FLAC__ASSERT(0 != encoder);
372 FLAC__ASSERT(0 != encoder->private_);
373 FLAC__ASSERT(0 != encoder->protected_);
374 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
375 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
377 return FLAC__stream_encoder_set_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder, value);
380 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_total_samples_estimate(OggFLAC__StreamEncoder *encoder, FLAC__uint64 value)
382 FLAC__ASSERT(0 != encoder);
383 FLAC__ASSERT(0 != encoder->private_);
384 FLAC__ASSERT(0 != encoder->protected_);
385 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
386 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
388 return FLAC__stream_encoder_set_total_samples_estimate(encoder->private_->FLAC_stream_encoder, value);
391 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_metadata(OggFLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks)
393 FLAC__ASSERT(0 != encoder);
394 FLAC__ASSERT(0 != encoder->private_);
395 FLAC__ASSERT(0 != encoder->protected_);
396 FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
397 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
399 return FLAC__stream_encoder_set_metadata(encoder->private_->FLAC_stream_encoder, metadata, num_blocks);
402 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_write_callback(OggFLAC__StreamEncoder *encoder, OggFLAC__StreamEncoderWriteCallback value)
404 FLAC__ASSERT(0 != encoder);
405 FLAC__ASSERT(0 != encoder->private_);
406 FLAC__ASSERT(0 != encoder->protected_);
407 FLAC__ASSERT(0 != value);
408 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
410 encoder->private_->write_callback = value;
414 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_client_data(OggFLAC__StreamEncoder *encoder, void *value)
416 FLAC__ASSERT(0 != encoder);
417 FLAC__ASSERT(0 != encoder->private_);
418 FLAC__ASSERT(0 != encoder->protected_);
419 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
421 encoder->private_->client_data = value;
426 * These three functions are not static, but not publically exposed in
427 * include/FLAC/ either. They are used by the test suite.
429 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
431 FLAC__ASSERT(0 != encoder);
432 FLAC__ASSERT(0 != encoder->private_);
433 FLAC__ASSERT(0 != encoder->protected_);
434 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
436 return FLAC__stream_encoder_disable_constant_subframes(encoder->private_->FLAC_stream_encoder, value);
439 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
441 FLAC__ASSERT(0 != encoder);
442 FLAC__ASSERT(0 != encoder->private_);
443 FLAC__ASSERT(0 != encoder->protected_);
444 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
446 return FLAC__stream_encoder_disable_fixed_subframes(encoder->private_->FLAC_stream_encoder, value);
449 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value)
451 FLAC__ASSERT(0 != encoder);
452 FLAC__ASSERT(0 != encoder->private_);
453 FLAC__ASSERT(0 != encoder->protected_);
454 if(encoder->protected_->state != OggFLAC__STREAM_ENCODER_UNINITIALIZED)
456 return FLAC__stream_encoder_disable_verbatim_subframes(encoder->private_->FLAC_stream_encoder, value);
459 OggFLAC_API OggFLAC__StreamEncoderState OggFLAC__stream_encoder_get_state(const OggFLAC__StreamEncoder *encoder)
461 FLAC__ASSERT(0 != encoder);
462 FLAC__ASSERT(0 != encoder->private_);
463 FLAC__ASSERT(0 != encoder->protected_);
464 return encoder->protected_->state;
467 OggFLAC_API FLAC__StreamEncoderState OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(const OggFLAC__StreamEncoder *encoder)
469 FLAC__ASSERT(0 != encoder);
470 FLAC__ASSERT(0 != encoder->private_);
471 FLAC__ASSERT(0 != encoder->protected_);
472 return FLAC__stream_encoder_get_state(encoder->private_->FLAC_stream_encoder);
475 OggFLAC_API FLAC__StreamDecoderState OggFLAC__stream_encoder_get_verify_decoder_state(const OggFLAC__StreamEncoder *encoder)
477 FLAC__ASSERT(0 != encoder);
478 FLAC__ASSERT(0 != encoder->private_);
479 FLAC__ASSERT(0 != encoder->protected_);
480 return FLAC__stream_encoder_get_verify_decoder_state(encoder->private_->FLAC_stream_encoder);
483 OggFLAC_API void OggFLAC__stream_encoder_get_verify_decoder_error_stats(const OggFLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
485 FLAC__ASSERT(0 != encoder);
486 FLAC__ASSERT(0 != encoder->private_);
487 FLAC__stream_encoder_get_verify_decoder_error_stats(encoder->private_->FLAC_stream_encoder, absolute_sample, frame_number, channel, sample, expected, got);
490 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_verify(const OggFLAC__StreamEncoder *encoder)
492 FLAC__ASSERT(0 != encoder);
493 FLAC__ASSERT(0 != encoder->private_);
494 FLAC__ASSERT(0 != encoder->protected_);
495 return FLAC__stream_encoder_get_verify(encoder->private_->FLAC_stream_encoder);
498 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_streamable_subset(const OggFLAC__StreamEncoder *encoder)
500 FLAC__ASSERT(0 != encoder);
501 FLAC__ASSERT(0 != encoder->private_);
502 FLAC__ASSERT(0 != encoder->protected_);
503 return FLAC__stream_encoder_get_streamable_subset(encoder->private_->FLAC_stream_encoder);
506 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_mid_side_stereo(const OggFLAC__StreamEncoder *encoder)
508 FLAC__ASSERT(0 != encoder);
509 FLAC__ASSERT(0 != encoder->private_);
510 FLAC__ASSERT(0 != encoder->protected_);
511 return FLAC__stream_encoder_get_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder);
514 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_loose_mid_side_stereo(const OggFLAC__StreamEncoder *encoder)
516 FLAC__ASSERT(0 != encoder);
517 FLAC__ASSERT(0 != encoder->private_);
518 FLAC__ASSERT(0 != encoder->protected_);
519 return FLAC__stream_encoder_get_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder);
522 OggFLAC_API unsigned OggFLAC__stream_encoder_get_channels(const OggFLAC__StreamEncoder *encoder)
524 FLAC__ASSERT(0 != encoder);
525 FLAC__ASSERT(0 != encoder->private_);
526 FLAC__ASSERT(0 != encoder->protected_);
527 return FLAC__stream_encoder_get_channels(encoder->private_->FLAC_stream_encoder);
530 OggFLAC_API unsigned OggFLAC__stream_encoder_get_bits_per_sample(const OggFLAC__StreamEncoder *encoder)
532 FLAC__ASSERT(0 != encoder);
533 FLAC__ASSERT(0 != encoder->private_);
534 FLAC__ASSERT(0 != encoder->protected_);
535 return FLAC__stream_encoder_get_bits_per_sample(encoder->private_->FLAC_stream_encoder);
538 OggFLAC_API unsigned OggFLAC__stream_encoder_get_sample_rate(const OggFLAC__StreamEncoder *encoder)
540 FLAC__ASSERT(0 != encoder);
541 FLAC__ASSERT(0 != encoder->private_);
542 FLAC__ASSERT(0 != encoder->protected_);
543 return FLAC__stream_encoder_get_sample_rate(encoder->private_->FLAC_stream_encoder);
546 OggFLAC_API unsigned OggFLAC__stream_encoder_get_blocksize(const OggFLAC__StreamEncoder *encoder)
548 FLAC__ASSERT(0 != encoder);
549 FLAC__ASSERT(0 != encoder->private_);
550 FLAC__ASSERT(0 != encoder->protected_);
551 return FLAC__stream_encoder_get_blocksize(encoder->private_->FLAC_stream_encoder);
554 OggFLAC_API unsigned OggFLAC__stream_encoder_get_max_lpc_order(const OggFLAC__StreamEncoder *encoder)
556 FLAC__ASSERT(0 != encoder);
557 FLAC__ASSERT(0 != encoder->private_);
558 FLAC__ASSERT(0 != encoder->protected_);
559 return FLAC__stream_encoder_get_max_lpc_order(encoder->private_->FLAC_stream_encoder);
562 OggFLAC_API unsigned OggFLAC__stream_encoder_get_qlp_coeff_precision(const OggFLAC__StreamEncoder *encoder)
564 FLAC__ASSERT(0 != encoder);
565 FLAC__ASSERT(0 != encoder->private_);
566 FLAC__ASSERT(0 != encoder->protected_);
567 return FLAC__stream_encoder_get_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder);
570 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search(const OggFLAC__StreamEncoder *encoder)
572 FLAC__ASSERT(0 != encoder);
573 FLAC__ASSERT(0 != encoder->private_);
574 FLAC__ASSERT(0 != encoder->protected_);
575 return FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder);
578 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_escape_coding(const OggFLAC__StreamEncoder *encoder)
580 FLAC__ASSERT(0 != encoder);
581 FLAC__ASSERT(0 != encoder->private_);
582 FLAC__ASSERT(0 != encoder->protected_);
583 return FLAC__stream_encoder_get_do_escape_coding(encoder->private_->FLAC_stream_encoder);
586 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_exhaustive_model_search(const OggFLAC__StreamEncoder *encoder)
588 FLAC__ASSERT(0 != encoder);
589 FLAC__ASSERT(0 != encoder->private_);
590 FLAC__ASSERT(0 != encoder->protected_);
591 return FLAC__stream_encoder_get_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder);
594 OggFLAC_API unsigned OggFLAC__stream_encoder_get_min_residual_partition_order(const OggFLAC__StreamEncoder *encoder)
596 FLAC__ASSERT(0 != encoder);
597 FLAC__ASSERT(0 != encoder->private_);
598 FLAC__ASSERT(0 != encoder->protected_);
599 return FLAC__stream_encoder_get_min_residual_partition_order(encoder->private_->FLAC_stream_encoder);
602 OggFLAC_API unsigned OggFLAC__stream_encoder_get_max_residual_partition_order(const OggFLAC__StreamEncoder *encoder)
604 FLAC__ASSERT(0 != encoder);
605 FLAC__ASSERT(0 != encoder->private_);
606 FLAC__ASSERT(0 != encoder->protected_);
607 return FLAC__stream_encoder_get_max_residual_partition_order(encoder->private_->FLAC_stream_encoder);
610 OggFLAC_API unsigned OggFLAC__stream_encoder_get_rice_parameter_search_dist(const OggFLAC__StreamEncoder *encoder)
612 FLAC__ASSERT(0 != encoder);
613 FLAC__ASSERT(0 != encoder->private_);
614 FLAC__ASSERT(0 != encoder->protected_);
615 return FLAC__stream_encoder_get_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder);
618 OggFLAC_API FLAC__uint64 OggFLAC__stream_encoder_get_total_samples_estimate(const OggFLAC__StreamEncoder *encoder)
620 FLAC__ASSERT(0 != encoder);
621 FLAC__ASSERT(0 != encoder->private_);
622 FLAC__ASSERT(0 != encoder->protected_);
623 return FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder);
626 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_process(OggFLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples)
628 FLAC__ASSERT(0 != encoder);
629 FLAC__ASSERT(0 != encoder->private_);
630 FLAC__ASSERT(0 != encoder->protected_);
631 return FLAC__stream_encoder_process(encoder->private_->FLAC_stream_encoder, buffer, samples);
634 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_process_interleaved(OggFLAC__StreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples)
636 FLAC__ASSERT(0 != encoder);
637 FLAC__ASSERT(0 != encoder->private_);
638 FLAC__ASSERT(0 != encoder->protected_);
639 return FLAC__stream_encoder_process_interleaved(encoder->private_->FLAC_stream_encoder, buffer, samples);
642 /***********************************************************************
644 * Private class methods
646 ***********************************************************************/
648 void set_defaults_(OggFLAC__StreamEncoder *encoder)
650 FLAC__ASSERT(0 != encoder);
652 encoder->private_->write_callback = 0;
653 encoder->private_->client_data = 0;
654 encoder->protected_->serial_number = 0;
657 FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *unused, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
659 OggFLAC__StreamEncoder *encoder = (OggFLAC__StreamEncoder*)client_data;
661 const FLAC__uint64 total_samples_estimate = FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder);
662 FLAC__ASSERT(encoder->private_->FLAC_stream_encoder == unused);
664 encoder->private_->samples_written += samples;
666 memset(&packet, 0, sizeof(packet));
667 packet.packet = (unsigned char *)buffer;
668 packet.granulepos = encoder->private_->samples_written;
670 * This depends on the behavior of FLAC__StreamEncoder that 'samples'
671 * will be 0 for metadata writes.
673 packet.packetno = (samples == 0? -1 : (int)current_frame);
674 packet.bytes = bytes;
676 if(encoder->private_->is_first_packet) {
678 encoder->private_->is_first_packet = false;
681 if(total_samples_estimate > 0 && total_samples_estimate == encoder->private_->samples_written)
684 if(ogg_stream_packetin(&encoder->private_->ogg.stream_state, &packet) != 0)
685 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
687 while(ogg_stream_pageout(&encoder->private_->ogg.stream_state, &encoder->private_->ogg.page) != 0) {
688 if(encoder->private_->write_callback(encoder, encoder->private_->ogg.page.header, encoder->private_->ogg.page.header_len, 0, current_frame, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
689 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
691 if(encoder->private_->write_callback(encoder, encoder->private_->ogg.page.body, encoder->private_->ogg.page.body_len, 0, current_frame, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
692 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
695 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
698 void metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
701 * We don't try to go back an update metadata blocks by mucking
702 * around inside the Ogg layer. Maybe someday we will care to
703 * and an OggFLAC__SeekableStreamEncoder and OggFLAC__FileEncoder
704 * will be possible but it may just never be useful.
706 (void)encoder, (void)metadata, (void)client_data;