1 /* libFLAC++ - Free Lossless Audio Codec library
2 * Copyright (C) 2002,2003,2004,2005,2006,2007 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++/decoder.h"
33 #include "FLAC/assert.h"
36 // warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
37 #pragma warning ( disable : 4800 )
43 // ------------------------------------------------------------
47 // ------------------------------------------------------------
50 decoder_(::FLAC__stream_decoder_new())
56 (void)::FLAC__stream_decoder_finish(decoder_);
57 ::FLAC__stream_decoder_delete(decoder_);
61 bool Stream::is_valid() const
66 bool Stream::set_ogg_serial_number(long value)
68 FLAC__ASSERT(is_valid());
69 return (bool)::FLAC__stream_decoder_set_ogg_serial_number(decoder_, value);
72 bool Stream::set_md5_checking(bool value)
74 FLAC__ASSERT(is_valid());
75 return (bool)::FLAC__stream_decoder_set_md5_checking(decoder_, value);
78 bool Stream::set_metadata_respond(::FLAC__MetadataType type)
80 FLAC__ASSERT(is_valid());
81 return (bool)::FLAC__stream_decoder_set_metadata_respond(decoder_, type);
84 bool Stream::set_metadata_respond_application(const FLAC__byte id[4])
86 FLAC__ASSERT(is_valid());
87 return (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id);
90 bool Stream::set_metadata_respond_all()
92 FLAC__ASSERT(is_valid());
93 return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_);
96 bool Stream::set_metadata_ignore(::FLAC__MetadataType type)
98 FLAC__ASSERT(is_valid());
99 return (bool)::FLAC__stream_decoder_set_metadata_ignore(decoder_, type);
102 bool Stream::set_metadata_ignore_application(const FLAC__byte id[4])
104 FLAC__ASSERT(is_valid());
105 return (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id);
108 bool Stream::set_metadata_ignore_all()
110 FLAC__ASSERT(is_valid());
111 return (bool)::FLAC__stream_decoder_set_metadata_ignore_all(decoder_);
114 Stream::State Stream::get_state() const
116 FLAC__ASSERT(is_valid());
117 return State(::FLAC__stream_decoder_get_state(decoder_));
120 bool Stream::get_md5_checking() const
122 FLAC__ASSERT(is_valid());
123 return (bool)::FLAC__stream_decoder_get_md5_checking(decoder_);
126 FLAC__uint64 Stream::get_total_samples() const
128 FLAC__ASSERT(is_valid());
129 return ::FLAC__stream_decoder_get_total_samples(decoder_);
132 unsigned Stream::get_channels() const
134 FLAC__ASSERT(is_valid());
135 return ::FLAC__stream_decoder_get_channels(decoder_);
138 ::FLAC__ChannelAssignment Stream::get_channel_assignment() const
140 FLAC__ASSERT(is_valid());
141 return ::FLAC__stream_decoder_get_channel_assignment(decoder_);
144 unsigned Stream::get_bits_per_sample() const
146 FLAC__ASSERT(is_valid());
147 return ::FLAC__stream_decoder_get_bits_per_sample(decoder_);
150 unsigned Stream::get_sample_rate() const
152 FLAC__ASSERT(is_valid());
153 return ::FLAC__stream_decoder_get_sample_rate(decoder_);
156 unsigned Stream::get_blocksize() const
158 FLAC__ASSERT(is_valid());
159 return ::FLAC__stream_decoder_get_blocksize(decoder_);
162 ::FLAC__StreamDecoderInitStatus Stream::init()
164 FLAC__ASSERT(is_valid());
165 return ::FLAC__stream_decoder_init_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
168 ::FLAC__StreamDecoderInitStatus Stream::init_ogg()
170 FLAC__ASSERT(is_valid());
171 return ::FLAC__stream_decoder_init_ogg_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
174 bool Stream::finish()
176 FLAC__ASSERT(is_valid());
177 return (bool)::FLAC__stream_decoder_finish(decoder_);
182 FLAC__ASSERT(is_valid());
183 return (bool)::FLAC__stream_decoder_flush(decoder_);
188 FLAC__ASSERT(is_valid());
189 return (bool)::FLAC__stream_decoder_reset(decoder_);
192 bool Stream::process_single()
194 FLAC__ASSERT(is_valid());
195 return (bool)::FLAC__stream_decoder_process_single(decoder_);
198 bool Stream::process_until_end_of_metadata()
200 FLAC__ASSERT(is_valid());
201 return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_);
204 bool Stream::process_until_end_of_stream()
206 FLAC__ASSERT(is_valid());
207 return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_);
210 bool Stream::skip_single_frame()
212 FLAC__ASSERT(is_valid());
213 return (bool)::FLAC__stream_decoder_skip_single_frame(decoder_);
216 bool Stream::seek_absolute(FLAC__uint64 sample)
218 FLAC__ASSERT(is_valid());
219 return (bool)::FLAC__stream_decoder_seek_absolute(decoder_, sample);
222 ::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
224 (void)absolute_byte_offset;
225 return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
228 ::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
230 (void)absolute_byte_offset;
231 return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
234 ::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length)
237 return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
240 bool Stream::eof_callback()
245 void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
250 ::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
253 FLAC__ASSERT(0 != client_data);
254 Stream *instance = reinterpret_cast<Stream *>(client_data);
255 FLAC__ASSERT(0 != instance);
256 return instance->read_callback(buffer, bytes);
259 ::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
262 FLAC__ASSERT(0 != client_data);
263 Stream *instance = reinterpret_cast<Stream *>(client_data);
264 FLAC__ASSERT(0 != instance);
265 return instance->seek_callback(absolute_byte_offset);
268 ::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
271 FLAC__ASSERT(0 != client_data);
272 Stream *instance = reinterpret_cast<Stream *>(client_data);
273 FLAC__ASSERT(0 != instance);
274 return instance->tell_callback(absolute_byte_offset);
277 ::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
280 FLAC__ASSERT(0 != client_data);
281 Stream *instance = reinterpret_cast<Stream *>(client_data);
282 FLAC__ASSERT(0 != instance);
283 return instance->length_callback(stream_length);
286 FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, void *client_data)
289 FLAC__ASSERT(0 != client_data);
290 Stream *instance = reinterpret_cast<Stream *>(client_data);
291 FLAC__ASSERT(0 != instance);
292 return instance->eof_callback();
295 ::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
298 FLAC__ASSERT(0 != client_data);
299 Stream *instance = reinterpret_cast<Stream *>(client_data);
300 FLAC__ASSERT(0 != instance);
301 return instance->write_callback(frame, buffer);
304 void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
307 FLAC__ASSERT(0 != client_data);
308 Stream *instance = reinterpret_cast<Stream *>(client_data);
309 FLAC__ASSERT(0 != instance);
310 instance->metadata_callback(metadata);
313 void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
316 FLAC__ASSERT(0 != client_data);
317 Stream *instance = reinterpret_cast<Stream *>(client_data);
318 FLAC__ASSERT(0 != instance);
319 instance->error_callback(status);
322 // ------------------------------------------------------------
326 // ------------------------------------------------------------
336 ::FLAC__StreamDecoderInitStatus File::init(FILE *file)
338 FLAC__ASSERT(0 != decoder_);
339 return ::FLAC__stream_decoder_init_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
342 ::FLAC__StreamDecoderInitStatus File::init(const char *filename)
344 FLAC__ASSERT(0 != decoder_);
345 return ::FLAC__stream_decoder_init_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
348 ::FLAC__StreamDecoderInitStatus File::init(const std::string &filename)
350 return init(filename.c_str());
353 ::FLAC__StreamDecoderInitStatus File::init_ogg(FILE *file)
355 FLAC__ASSERT(0 != decoder_);
356 return ::FLAC__stream_decoder_init_ogg_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
359 ::FLAC__StreamDecoderInitStatus File::init_ogg(const char *filename)
361 FLAC__ASSERT(0 != decoder_);
362 return ::FLAC__stream_decoder_init_ogg_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
365 ::FLAC__StreamDecoderInitStatus File::init_ogg(const std::string &filename)
367 return init_ogg(filename.c_str());
370 // This is a dummy to satisfy the pure virtual from Stream; the
371 // read callback will never be called since we are initializing
372 // with FLAC__stream_decoder_init_FILE() or
373 // FLAC__stream_decoder_init_file() and those supply the read
374 // callback internally.
375 ::FLAC__StreamDecoderReadStatus File::read_callback(FLAC__byte buffer[], size_t *bytes)
377 (void)buffer, (void)bytes;
379 return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; // double protection