1 /* libFLAC++ - Free Lossless Audio Codec library
2 * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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.
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.
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.
32 #include "FLAC++/encoder.h"
33 #include "FLAC++/metadata.h"
34 #include "FLAC/assert.h"
37 // warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
38 #pragma warning ( disable : 4800 )
44 // ------------------------------------------------------------
48 // ------------------------------------------------------------
51 encoder_(::FLAC__stream_encoder_new())
57 (void)::FLAC__stream_encoder_finish(encoder_);
58 ::FLAC__stream_encoder_delete(encoder_);
62 bool Stream::is_valid() const
67 bool Stream::set_ogg_serial_number(long value)
69 FLAC__ASSERT(is_valid());
70 return (bool)::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value);
73 bool Stream::set_verify(bool value)
75 FLAC__ASSERT(is_valid());
76 return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
79 bool Stream::set_streamable_subset(bool value)
81 FLAC__ASSERT(is_valid());
82 return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
85 bool Stream::set_channels(unsigned value)
87 FLAC__ASSERT(is_valid());
88 return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
91 bool Stream::set_bits_per_sample(unsigned value)
93 FLAC__ASSERT(is_valid());
94 return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
97 bool Stream::set_sample_rate(unsigned value)
99 FLAC__ASSERT(is_valid());
100 return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
103 bool Stream::set_compression_level(unsigned value)
105 FLAC__ASSERT(is_valid());
106 return (bool)::FLAC__stream_encoder_set_compression_level(encoder_, value);
109 bool Stream::set_blocksize(unsigned value)
111 FLAC__ASSERT(is_valid());
112 return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
115 bool Stream::set_do_mid_side_stereo(bool value)
117 FLAC__ASSERT(is_valid());
118 return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
121 bool Stream::set_loose_mid_side_stereo(bool value)
123 FLAC__ASSERT(is_valid());
124 return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
127 bool Stream::set_apodization(const char *specification)
129 FLAC__ASSERT(is_valid());
130 return (bool)::FLAC__stream_encoder_set_apodization(encoder_, specification);
133 bool Stream::set_max_lpc_order(unsigned value)
135 FLAC__ASSERT(is_valid());
136 return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
139 bool Stream::set_qlp_coeff_precision(unsigned value)
141 FLAC__ASSERT(is_valid());
142 return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
145 bool Stream::set_do_qlp_coeff_prec_search(bool value)
147 FLAC__ASSERT(is_valid());
148 return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
151 bool Stream::set_do_escape_coding(bool value)
153 FLAC__ASSERT(is_valid());
154 return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
157 bool Stream::set_do_exhaustive_model_search(bool value)
159 FLAC__ASSERT(is_valid());
160 return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
163 bool Stream::set_min_residual_partition_order(unsigned value)
165 FLAC__ASSERT(is_valid());
166 return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
169 bool Stream::set_max_residual_partition_order(unsigned value)
171 FLAC__ASSERT(is_valid());
172 return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
175 bool Stream::set_rice_parameter_search_dist(unsigned value)
177 FLAC__ASSERT(is_valid());
178 return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
181 bool Stream::set_total_samples_estimate(FLAC__uint64 value)
183 FLAC__ASSERT(is_valid());
184 return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
187 bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
189 FLAC__ASSERT(is_valid());
190 return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
193 bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
195 FLAC__ASSERT(is_valid());
196 #ifndef HAVE_CXX_VARARRAYS
197 // some compilers (MSVC++, Borland C, SunPro, some GCCs w/ -pedantic) can't handle:
198 // ::FLAC__StreamMetadata *m[num_blocks];
199 // so we do this ugly workaround
200 ::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
202 ::FLAC__StreamMetadata *m[num_blocks];
204 for(unsigned i = 0; i < num_blocks; i++) {
205 // we can get away with the const_cast since we know the encoder will only correct the is_last flags
206 m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i]));
208 #ifndef HAVE_CXX_VARARRAYS
210 const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
214 return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
218 Stream::State Stream::get_state() const
220 FLAC__ASSERT(is_valid());
221 return State(::FLAC__stream_encoder_get_state(encoder_));
224 Decoder::Stream::State Stream::get_verify_decoder_state() const
226 FLAC__ASSERT(is_valid());
227 return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
230 void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
232 FLAC__ASSERT(is_valid());
233 ::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
236 bool Stream::get_verify() const
238 FLAC__ASSERT(is_valid());
239 return (bool)::FLAC__stream_encoder_get_verify(encoder_);
242 bool Stream::get_streamable_subset() const
244 FLAC__ASSERT(is_valid());
245 return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
248 bool Stream::get_do_mid_side_stereo() const
250 FLAC__ASSERT(is_valid());
251 return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
254 bool Stream::get_loose_mid_side_stereo() const
256 FLAC__ASSERT(is_valid());
257 return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
260 unsigned Stream::get_channels() const
262 FLAC__ASSERT(is_valid());
263 return ::FLAC__stream_encoder_get_channels(encoder_);
266 unsigned Stream::get_bits_per_sample() const
268 FLAC__ASSERT(is_valid());
269 return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
272 unsigned Stream::get_sample_rate() const
274 FLAC__ASSERT(is_valid());
275 return ::FLAC__stream_encoder_get_sample_rate(encoder_);
278 unsigned Stream::get_blocksize() const
280 FLAC__ASSERT(is_valid());
281 return ::FLAC__stream_encoder_get_blocksize(encoder_);
284 unsigned Stream::get_max_lpc_order() const
286 FLAC__ASSERT(is_valid());
287 return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
290 unsigned Stream::get_qlp_coeff_precision() const
292 FLAC__ASSERT(is_valid());
293 return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
296 bool Stream::get_do_qlp_coeff_prec_search() const
298 FLAC__ASSERT(is_valid());
299 return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
302 bool Stream::get_do_escape_coding() const
304 FLAC__ASSERT(is_valid());
305 return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
308 bool Stream::get_do_exhaustive_model_search() const
310 FLAC__ASSERT(is_valid());
311 return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
314 unsigned Stream::get_min_residual_partition_order() const
316 FLAC__ASSERT(is_valid());
317 return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
320 unsigned Stream::get_max_residual_partition_order() const
322 FLAC__ASSERT(is_valid());
323 return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
326 unsigned Stream::get_rice_parameter_search_dist() const
328 FLAC__ASSERT(is_valid());
329 return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
332 FLAC__uint64 Stream::get_total_samples_estimate() const
334 FLAC__ASSERT(is_valid());
335 return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
338 ::FLAC__StreamEncoderInitStatus Stream::init()
340 FLAC__ASSERT(is_valid());
341 return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
344 ::FLAC__StreamEncoderInitStatus Stream::init_ogg()
346 FLAC__ASSERT(is_valid());
347 return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
350 bool Stream::finish()
352 FLAC__ASSERT(is_valid());
353 return (bool)::FLAC__stream_encoder_finish(encoder_);
356 bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
358 FLAC__ASSERT(is_valid());
359 return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
362 bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
364 FLAC__ASSERT(is_valid());
365 return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
368 ::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes)
370 (void)buffer, (void)bytes;
371 return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED;
374 ::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
376 (void)absolute_byte_offset;
377 return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
380 ::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
382 (void)absolute_byte_offset;
383 return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
386 void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
391 ::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
394 FLAC__ASSERT(0 != client_data);
395 Stream *instance = reinterpret_cast<Stream *>(client_data);
396 FLAC__ASSERT(0 != instance);
397 return instance->read_callback(buffer, bytes);
400 ::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
403 FLAC__ASSERT(0 != client_data);
404 Stream *instance = reinterpret_cast<Stream *>(client_data);
405 FLAC__ASSERT(0 != instance);
406 return instance->write_callback(buffer, bytes, samples, current_frame);
409 ::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
412 FLAC__ASSERT(0 != client_data);
413 Stream *instance = reinterpret_cast<Stream *>(client_data);
414 FLAC__ASSERT(0 != instance);
415 return instance->seek_callback(absolute_byte_offset);
418 ::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
421 FLAC__ASSERT(0 != client_data);
422 Stream *instance = reinterpret_cast<Stream *>(client_data);
423 FLAC__ASSERT(0 != instance);
424 return instance->tell_callback(absolute_byte_offset);
427 void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
430 FLAC__ASSERT(0 != client_data);
431 Stream *instance = reinterpret_cast<Stream *>(client_data);
432 FLAC__ASSERT(0 != instance);
433 instance->metadata_callback(metadata);
436 // ------------------------------------------------------------
440 // ------------------------------------------------------------
450 ::FLAC__StreamEncoderInitStatus File::init(FILE *file)
452 FLAC__ASSERT(is_valid());
453 return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
456 ::FLAC__StreamEncoderInitStatus File::init(const char *filename)
458 FLAC__ASSERT(is_valid());
459 return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
462 ::FLAC__StreamEncoderInitStatus File::init(const std::string &filename)
464 return init(filename.c_str());
467 ::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file)
469 FLAC__ASSERT(is_valid());
470 return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
473 ::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename)
475 FLAC__ASSERT(is_valid());
476 return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
479 ::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename)
481 return init_ogg(filename.c_str());
484 // This is a dummy to satisfy the pure virtual from Stream; the
485 // read callback will never be called since we are initializing
486 // with FLAC__stream_decoder_init_FILE() or
487 // FLAC__stream_decoder_init_file() and those supply the read
488 // callback internally.
489 ::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame)
491 (void)buffer, (void)bytes, (void)samples, (void)current_frame;
493 return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection
496 void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate)
498 (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate;
501 void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
504 FLAC__ASSERT(0 != client_data);
505 File *instance = reinterpret_cast<File *>(client_data);
506 FLAC__ASSERT(0 != instance);
507 instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate);