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.
20 #ifndef OggFLAC__STREAM_ENCODER_H
21 #define OggFLAC__STREAM_ENCODER_H
25 #include "FLAC/stream_encoder.h"
32 /** \file include/OggFLAC/stream_encoder.h
35 * This module contains the functions which implement the stream
38 * See the detailed documentation in the
39 * \link oggflac_stream_encoder stream encoder \endlink module.
42 /** \defgroup oggflac_encoder OggFLAC/ *_encoder.h: encoder interfaces
46 * This module describes the encoder layers provided by libOggFLAC.
48 * libOggFLAC currently provides the same stream layer access as libFLAC;
49 * the interface is nearly identical. See the \link flac_encoder FLAC
50 * encoder module \endlink for full documentation.
53 /** \defgroup oggflac_stream_encoder OggFLAC/stream_encoder.h: stream encoder interface
54 * \ingroup oggflac_encoder
57 * This module contains the functions which implement the stream
60 * The interface here is nearly identical to FLAC's stream encoder,
61 * including the callbacks. See the \link flac_stream_encoder
62 * FLAC stream encoder module \endlink for full documentation.
68 /** State values for an OggFLAC__StreamEncoder
70 * The encoder's state can be obtained by calling OggFLAC__stream_encoder_get_state().
74 OggFLAC__STREAM_ENCODER_OK = 0,
75 /**< The encoder is in the normal OK state. */
77 OggFLAC__STREAM_ENCODER_OGG_ERROR,
78 /**< An error occurred in the underlying Ogg layer. */
80 OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR,
81 /**< An error occurred in the underlying FLAC stream encoder;
82 * check OggFLAC__stream_encoder_get_FLAC_stream_encoder_state().
85 OggFLAC__STREAM_ENCODER_INVALID_CALLBACK,
86 /**< The encoder was initialized before setting all the required callbacks. */
88 OggFLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR,
89 /**< Memory allocation failed. */
91 OggFLAC__STREAM_ENCODER_ALREADY_INITIALIZED,
92 /**< OggFLAC__stream_encoder_init() was called when the encoder was
93 * already initialized, usually because
94 * OggFLAC__stream_encoder_finish() was not called.
97 OggFLAC__STREAM_ENCODER_UNINITIALIZED
98 /**< The encoder is in the uninitialized state. */
100 } OggFLAC__StreamEncoderState;
102 /** Maps an OggFLAC__StreamEncoderState to a C string.
104 * Using an OggFLAC__StreamEncoderState as the index to this array
105 * will give the string equivalent. The contents should not be modified.
107 extern OggFLAC_API const char * const OggFLAC__StreamEncoderStateString[];
110 /***********************************************************************
112 * class OggFLAC__StreamEncoder
114 ***********************************************************************/
116 struct OggFLAC__StreamEncoderProtected;
117 struct OggFLAC__StreamEncoderPrivate;
118 /** The opaque structure definition for the stream encoder type.
119 * See the \link oggflac_stream_encoder stream encoder module \endlink
120 * for a detailed description.
123 struct OggFLAC__StreamEncoderProtected *protected_; /* avoid the C++ keyword 'protected' */
124 struct OggFLAC__StreamEncoderPrivate *private_; /* avoid the C++ keyword 'private' */
125 } OggFLAC__StreamEncoder;
127 /** Signature for the write callback.
128 * See OggFLAC__stream_encoder_set_write_callback()
129 * and FLAC__StreamEncoderWriteCallback for more info.
131 * \param encoder The encoder instance calling the callback.
132 * \param buffer An array of encoded data of length \a bytes.
133 * \param bytes The byte length of \a buffer.
134 * \param samples The number of samples encoded by \a buffer.
135 * \c 0 has a special meaning; see
136 * OggFLAC__stream_encoder_set_write_callback().
137 * \param current_frame The number of current frame being encoded.
138 * \param client_data The callee's client data set through
139 * OggFLAC__stream_encoder_set_client_data().
140 * \retval FLAC__StreamEncoderWriteStatus
141 * The callee's return status.
143 typedef FLAC__StreamEncoderWriteStatus (*OggFLAC__StreamEncoderWriteCallback)(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
146 /***********************************************************************
148 * Class constructor/destructor
150 ***********************************************************************/
152 /** Create a new stream encoder instance. The instance is created with
153 * default settings; see the individual OggFLAC__stream_encoder_set_*()
154 * functions for each setting's default.
156 * \retval OggFLAC__StreamEncoder*
157 * \c NULL if there was an error allocating memory, else the new instance.
159 OggFLAC_API OggFLAC__StreamEncoder *OggFLAC__stream_encoder_new();
161 /** Free an encoder instance. Deletes the object pointed to by \a encoder.
163 * \param encoder A pointer to an existing encoder.
165 * \code encoder != NULL \endcode
167 OggFLAC_API void OggFLAC__stream_encoder_delete(OggFLAC__StreamEncoder *encoder);
170 /***********************************************************************
172 * Public class method prototypes
174 ***********************************************************************/
176 /** Set the serial number for the FLAC stream.
178 * \default \c NULL, 0
179 * \param encoder An encoder instance to set.
180 * \param serial_number See above.
182 * \code encoder != NULL \endcode
184 * \c false if the encoder is already initialized, else \c true.
186 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_serial_number(OggFLAC__StreamEncoder *encoder, long serial_number);
188 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_verify()
191 * \param encoder An encoder instance to set.
192 * \param value Flag value (see above).
194 * \code encoder != NULL \endcode
196 * \c false if the encoder is already initialized, else \c true.
198 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_verify(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
200 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_streamable_subset()
203 * \param encoder An encoder instance to set.
204 * \param value Flag value (see above).
206 * \code encoder != NULL \endcode
208 * \c false if the encoder is already initialized, else \c true.
210 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_streamable_subset(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
212 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_do_mid_side_stereo()
215 * \param encoder An encoder instance to set.
216 * \param value Flag value (see above).
218 * \code encoder != NULL \endcode
220 * \c false if the encoder is already initialized, else \c true.
222 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_mid_side_stereo(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
224 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_loose_mid_side_stereo()
227 * \param encoder An encoder instance to set.
228 * \param value Flag value (see above).
230 * \code encoder != NULL \endcode
232 * \c false if the encoder is already initialized, else \c true.
234 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_loose_mid_side_stereo(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
236 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_channels()
239 * \param encoder An encoder instance to set.
240 * \param value See above.
242 * \code encoder != NULL \endcode
244 * \c false if the encoder is already initialized, else \c true.
246 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_channels(OggFLAC__StreamEncoder *encoder, unsigned value);
248 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_bits_per_sample()
251 * \param encoder An encoder instance to set.
252 * \param value See above.
254 * \code encoder != NULL \endcode
256 * \c false if the encoder is already initialized, else \c true.
258 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_bits_per_sample(OggFLAC__StreamEncoder *encoder, unsigned value);
260 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_sample_rate()
263 * \param encoder An encoder instance to set.
264 * \param value See above.
266 * \code encoder != NULL \endcode
268 * \c false if the encoder is already initialized, else \c true.
270 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_sample_rate(OggFLAC__StreamEncoder *encoder, unsigned value);
272 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_blocksize()
275 * \param encoder An encoder instance to set.
276 * \param value See above.
278 * \code encoder != NULL \endcode
280 * \c false if the encoder is already initialized, else \c true.
282 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_blocksize(OggFLAC__StreamEncoder *encoder, unsigned value);
284 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_max_lpc_order()
287 * \param encoder An encoder instance to set.
288 * \param value See above.
290 * \code encoder != NULL \endcode
292 * \c false if the encoder is already initialized, else \c true.
294 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_max_lpc_order(OggFLAC__StreamEncoder *encoder, unsigned value);
296 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_qlp_coeff_precision()
299 * \param encoder An encoder instance to set.
300 * \param value See above.
302 * \code encoder != NULL \endcode
304 * \c false if the encoder is already initialized, else \c true.
306 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_qlp_coeff_precision(OggFLAC__StreamEncoder *encoder, unsigned value);
308 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_qlp_coeff_prec_search()
311 * \param encoder An encoder instance to set.
312 * \param value See above.
314 * \code encoder != NULL \endcode
316 * \c false if the encoder is already initialized, else \c true.
318 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
320 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_do_escape_coding()
323 * \param encoder An encoder instance to set.
324 * \param value See above.
326 * \code encoder != NULL \endcode
328 * \c false if the encoder is already initialized, else \c true.
330 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_escape_coding(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
332 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_do_exhaustive_model_search()
335 * \param encoder An encoder instance to set.
336 * \param value See above.
338 * \code encoder != NULL \endcode
340 * \c false if the encoder is already initialized, else \c true.
342 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_do_exhaustive_model_search(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
344 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_min_residual_partition_order()
347 * \param encoder An encoder instance to set.
348 * \param value See above.
350 * \code encoder != NULL \endcode
352 * \c false if the encoder is already initialized, else \c true.
354 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_min_residual_partition_order(OggFLAC__StreamEncoder *encoder, unsigned value);
356 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_max_residual_partition_order()
359 * \param encoder An encoder instance to set.
360 * \param value See above.
362 * \code encoder != NULL \endcode
364 * \c false if the encoder is already initialized, else \c true.
366 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_max_residual_partition_order(OggFLAC__StreamEncoder *encoder, unsigned value);
368 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_rice_parameter_search_dist()
371 * \param encoder An encoder instance to set.
372 * \param value See above.
374 * \code encoder != NULL \endcode
376 * \c false if the encoder is already initialized, else \c true.
378 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_rice_parameter_search_dist(OggFLAC__StreamEncoder *encoder, unsigned value);
380 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_total_samples_estimate()
383 * \param encoder An encoder instance to set.
384 * \param value See above.
386 * \code encoder != NULL \endcode
388 * \c false if the encoder is already initialized, else \c true.
390 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_total_samples_estimate(OggFLAC__StreamEncoder *encoder, FLAC__uint64 value);
392 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_metadata()
394 * \default \c NULL, 0
395 * \param encoder An encoder instance to set.
396 * \param metadata See above.
397 * \param num_blocks See above.
399 * \code encoder != NULL \endcode
401 * \c false if the encoder is already initialized, else \c true.
403 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_metadata(OggFLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks);
405 /** Set the write callback.
406 * This is inherited from FLAC__StreamEncoder; see
407 * FLAC__stream_encoder_set_write_callback().
410 * Unlike the FLAC stream encoder write callback, the Ogg stream
411 * encoder write callback will be called twice when writing audio
412 * frames; once for the page header, and once for the page body.
413 * When writing the page header, the \a samples argument to the
414 * write callback will be \c 0.
417 * The callback is mandatory and must be set before initialization.
420 * \param encoder An encoder instance to set.
421 * \param value See above.
423 * \code encoder != NULL \endcode
424 * \code value != NULL \endcode
426 * \c false if the encoder is already initialized, else \c true.
428 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_write_callback(OggFLAC__StreamEncoder *encoder, OggFLAC__StreamEncoderWriteCallback value);
430 /** Set the client data to be passed back to callbacks.
431 * This value will be supplied to callbacks in their \a client_data
435 * \param encoder An encoder instance to set.
436 * \param value See above.
438 * \code encoder != NULL \endcode
440 * \c false if the encoder is already initialized, else \c true.
442 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_set_client_data(OggFLAC__StreamEncoder *encoder, void *value);
444 /** Get the current encoder state.
446 * \param encoder An encoder instance to query.
448 * \code encoder != NULL \endcode
449 * \retval OggFLAC__StreamEncoderState
450 * The current encoder state.
452 OggFLAC_API OggFLAC__StreamEncoderState OggFLAC__stream_encoder_get_state(const OggFLAC__StreamEncoder *encoder);
454 /** Get the state of the underlying FLAC stream encoder.
455 * Useful when the stream encoder state is
456 * \c OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR.
458 * \param encoder An encoder instance to query.
460 * \code encoder != NULL \endcode
461 * \retval FLAC__StreamEncoderState
462 * The FLAC stream encoder state.
464 OggFLAC_API FLAC__StreamEncoderState OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(const OggFLAC__StreamEncoder *encoder);
466 /** Get the state of the underlying FLAC stream encoder's verify decoder.
467 * Useful when the stream encoder state is
468 * \c OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR and the
469 * FLAC encoder state is \c FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR.
471 * \param encoder An encoder instance to query.
473 * \code encoder != NULL \endcode
474 * \retval FLAC__StreamDecoderState
475 * The FLAC verify decoder state.
477 OggFLAC_API FLAC__StreamDecoderState OggFLAC__stream_encoder_get_verify_decoder_state(const OggFLAC__StreamEncoder *encoder);
479 /** Get relevant values about the nature of a verify decoder error.
480 * Inherited from FLAC__stream_encoder_get_verify_decoder_error_stats().
481 * Useful when the stream encoder state is
482 * \c OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR and the
483 * FLAC stream encoder state is
484 * \c FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR.
486 * \param encoder An encoder instance to query.
487 * \param absolute_sample The absolute sample number of the mismatch.
488 * \param frame_number The number of the frame in which the mismatch occurred.
489 * \param channel The channel in which the mismatch occurred.
490 * \param sample The number of the sample (relative to the frame) in
491 * which the mismatch occurred.
492 * \param expected The expected value for the sample in question.
493 * \param got The actual value returned by the decoder.
495 * \code encoder != NULL \endcode
496 * \code absolute_sample != NULL \endcode
497 * \code frame_number != NULL \endcode
498 * \code channel != NULL \endcode
499 * \code sample != NULL \endcode
500 * \code expected != NULL \endcode
502 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);
504 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_verify()
506 * \param encoder An encoder instance to query.
508 * \code encoder != NULL \endcode
510 * See OggFLAC__stream_encoder_set_verify().
512 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_verify(const OggFLAC__StreamEncoder *encoder);
514 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_streamable_subset()
516 * \param encoder An encoder instance to query.
518 * \code encoder != NULL \endcode
520 * See OggFLAC__stream_encoder_set_streamable_subset().
522 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_streamable_subset(const OggFLAC__StreamEncoder *encoder);
524 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_do_mid_side_stereo()
526 * \param encoder An encoder instance to query.
528 * \code encoder != NULL \endcode
530 * See OggFLAC__stream_encoder_get_do_mid_side_stereo().
532 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_mid_side_stereo(const OggFLAC__StreamEncoder *encoder);
534 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_loose_mid_side_stereo()
536 * \param encoder An encoder instance to query.
538 * \code encoder != NULL \endcode
540 * See OggFLAC__stream_encoder_set_loose_mid_side_stereo().
542 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_loose_mid_side_stereo(const OggFLAC__StreamEncoder *encoder);
544 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_channels()
546 * \param encoder An encoder instance to query.
548 * \code encoder != NULL \endcode
550 * See OggFLAC__stream_encoder_set_channels().
552 OggFLAC_API unsigned OggFLAC__stream_encoder_get_channels(const OggFLAC__StreamEncoder *encoder);
554 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_bits_per_sample()
556 * \param encoder An encoder instance to query.
558 * \code encoder != NULL \endcode
560 * See OggFLAC__stream_encoder_set_bits_per_sample().
562 OggFLAC_API unsigned OggFLAC__stream_encoder_get_bits_per_sample(const OggFLAC__StreamEncoder *encoder);
564 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_sample_rate()
566 * \param encoder An encoder instance to query.
568 * \code encoder != NULL \endcode
570 * See OggFLAC__stream_encoder_set_sample_rate().
572 OggFLAC_API unsigned OggFLAC__stream_encoder_get_sample_rate(const OggFLAC__StreamEncoder *encoder);
574 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_blocksize()
576 * \param encoder An encoder instance to query.
578 * \code encoder != NULL \endcode
580 * See OggFLAC__stream_encoder_set_blocksize().
582 OggFLAC_API unsigned OggFLAC__stream_encoder_get_blocksize(const OggFLAC__StreamEncoder *encoder);
584 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_max_lpc_order()
586 * \param encoder An encoder instance to query.
588 * \code encoder != NULL \endcode
590 * See OggFLAC__stream_encoder_set_max_lpc_order().
592 OggFLAC_API unsigned OggFLAC__stream_encoder_get_max_lpc_order(const OggFLAC__StreamEncoder *encoder);
594 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_qlp_coeff_precision()
596 * \param encoder An encoder instance to query.
598 * \code encoder != NULL \endcode
600 * See OggFLAC__stream_encoder_set_qlp_coeff_precision().
602 OggFLAC_API unsigned OggFLAC__stream_encoder_get_qlp_coeff_precision(const OggFLAC__StreamEncoder *encoder);
604 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_do_qlp_coeff_prec_search()
606 * \param encoder An encoder instance to query.
608 * \code encoder != NULL \endcode
610 * See OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search().
612 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search(const OggFLAC__StreamEncoder *encoder);
614 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_do_escape_coding()
616 * \param encoder An encoder instance to query.
618 * \code encoder != NULL \endcode
620 * See OggFLAC__stream_encoder_set_do_escape_coding().
622 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_escape_coding(const OggFLAC__StreamEncoder *encoder);
624 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_do_exhaustive_model_search()
626 * \param encoder An encoder instance to query.
628 * \code encoder != NULL \endcode
630 * See OggFLAC__stream_encoder_set_do_exhaustive_model_search().
632 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_get_do_exhaustive_model_search(const OggFLAC__StreamEncoder *encoder);
634 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_min_residual_partition_order()
636 * \param encoder An encoder instance to query.
638 * \code encoder != NULL \endcode
640 * See OggFLAC__stream_encoder_set_min_residual_partition_order().
642 OggFLAC_API unsigned OggFLAC__stream_encoder_get_min_residual_partition_order(const OggFLAC__StreamEncoder *encoder);
644 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_man_residual_partition_order()
646 * \param encoder An encoder instance to query.
648 * \code encoder != NULL \endcode
650 * See OggFLAC__stream_encoder_set_max_residual_partition_order().
652 OggFLAC_API unsigned OggFLAC__stream_encoder_get_max_residual_partition_order(const OggFLAC__StreamEncoder *encoder);
654 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_rice_parameter_search_dist()
656 * \param encoder An encoder instance to query.
658 * \code encoder != NULL \endcode
660 * See OggFLAC__stream_encoder_set_rice_parameter_search_dist().
662 OggFLAC_API unsigned OggFLAC__stream_encoder_get_rice_parameter_search_dist(const OggFLAC__StreamEncoder *encoder);
664 /** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_get_total_samples_estimate()
666 * \param encoder An encoder instance to set.
668 * \code encoder != NULL \endcode
669 * \retval FLAC__uint64
670 * See OggFLAC__stream_encoder_get_total_samples_estimate().
672 OggFLAC_API FLAC__uint64 OggFLAC__stream_encoder_get_total_samples_estimate(const OggFLAC__StreamEncoder *encoder);
674 /** Initialize the encoder instance.
675 * Should be called after OggFLAC__stream_encoder_new() and
676 * OggFLAC__stream_encoder_set_*() but before OggFLAC__stream_encoder_process()
677 * or OggFLAC__stream_encoder_process_interleaved(). Will set and return
678 * the encoder state, which will be OggFLAC__STREAM_ENCODER_OK if
679 * initialization succeeded.
681 * The call to OggFLAC__stream_encoder_init() currently will also immediately
682 * call the write callback several times, once with the \c fLaC signature,
683 * and once for each encoded metadata block.
685 * \param encoder An uninitialized encoder instance.
687 * \code encoder != NULL \endcode
688 * \retval OggFLAC__StreamEncoderState
689 * \c OggFLAC__STREAM_ENCODER_OK if initialization was successful; see
690 * OggFLAC__StreamEncoderState for the meanings of other return values.
692 OggFLAC_API OggFLAC__StreamEncoderState OggFLAC__stream_encoder_init(OggFLAC__StreamEncoder *encoder);
694 /** Finish the encoding process.
695 * Flushes the encoding buffer, releases resources, resets the encoder
696 * settings to their defaults, and returns the encoder state to
697 * OggFLAC__STREAM_ENCODER_UNINITIALIZED. Note that this can generate
698 * one or more write callbacks before returning.
700 * In the event of a prematurely-terminated encode, it is not strictly
701 * necessary to call this immediately before OggFLAC__stream_encoder_delete()
702 * but it is good practice to match every OggFLAC__stream_encoder_init()
703 * with an OggFLAC__stream_encoder_finish().
705 * \param encoder An uninitialized encoder instance.
707 * \code encoder != NULL \endcode
709 OggFLAC_API void OggFLAC__stream_encoder_finish(OggFLAC__StreamEncoder *encoder);
711 /** Submit data for encoding.
712 * This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_process().
714 * \param encoder An initialized encoder instance in the OK state.
715 * \param buffer An array of pointers to each channel's signal.
716 * \param samples The number of samples in one channel.
718 * \code encoder != NULL \endcode
719 * \code OggFLAC__stream_encoder_get_state(encoder) == OggFLAC__STREAM_ENCODER_OK \endcode
721 * \c true if successful, else \c false; in this case, check the
722 * encoder state with OggFLAC__stream_encoder_get_state() to see what
725 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_process(OggFLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples);
727 /** Submit data for encoding.
728 * This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_process_interleaved().
730 * \param encoder An initialized encoder instance in the OK state.
731 * \param buffer An array of channel-interleaved data (see above).
732 * \param samples The number of samples in one channel, the same as for
733 * OggFLAC__stream_encoder_process(). For example, if
734 * encoding two channels, \c 1000 \a samples corresponds
735 * to a \a buffer of 2000 values.
737 * \code encoder != NULL \endcode
738 * \code OggFLAC__stream_encoder_get_state(encoder) == OggFLAC__STREAM_ENCODER_OK \endcode
740 * \c true if successful, else \c false; in this case, check the
741 * encoder state with OggFLAC__stream_encoder_get_state() to see what
744 OggFLAC_API FLAC__bool OggFLAC__stream_encoder_process_interleaved(OggFLAC__StreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples);