1 /* libFLAC++ - Free Lossless Audio Codec library
2 * Copyright (C) 2002,2003,2004,2005,2006 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 )
44 decoder_(::FLAC__stream_decoder_new())
50 ::FLAC__stream_decoder_finish(decoder_);
51 ::FLAC__stream_decoder_delete(decoder_);
55 bool Stream::is_valid() const
60 bool Stream::set_md5_checking(bool value)
62 FLAC__ASSERT(is_valid());
63 return (bool)::FLAC__stream_decoder_set_md5_checking(decoder_, value);
66 bool Stream::set_metadata_respond(::FLAC__MetadataType type)
68 FLAC__ASSERT(is_valid());
69 return (bool)::FLAC__stream_decoder_set_metadata_respond(decoder_, type);
72 bool Stream::set_metadata_respond_application(const FLAC__byte id[4])
74 FLAC__ASSERT(is_valid());
75 return (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id);
78 bool Stream::set_metadata_respond_all()
80 FLAC__ASSERT(is_valid());
81 return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_);
84 bool Stream::set_metadata_ignore(::FLAC__MetadataType type)
86 FLAC__ASSERT(is_valid());
87 return (bool)::FLAC__stream_decoder_set_metadata_ignore(decoder_, type);
90 bool Stream::set_metadata_ignore_application(const FLAC__byte id[4])
92 FLAC__ASSERT(is_valid());
93 return (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id);
96 bool Stream::set_metadata_ignore_all()
98 FLAC__ASSERT(is_valid());
99 return (bool)::FLAC__stream_decoder_set_metadata_ignore_all(decoder_);
102 Stream::State Stream::get_state() const
104 FLAC__ASSERT(is_valid());
105 return State(::FLAC__stream_decoder_get_state(decoder_));
108 bool Stream::get_md5_checking() const
110 FLAC__ASSERT(is_valid());
111 return (bool)::FLAC__stream_decoder_get_md5_checking(decoder_);
114 FLAC__uint64 Stream::get_total_samples() const
116 FLAC__ASSERT(is_valid());
117 return ::FLAC__stream_decoder_get_total_samples(decoder_);
120 unsigned Stream::get_channels() const
122 FLAC__ASSERT(is_valid());
123 return ::FLAC__stream_decoder_get_channels(decoder_);
126 ::FLAC__ChannelAssignment Stream::get_channel_assignment() const
128 FLAC__ASSERT(is_valid());
129 return ::FLAC__stream_decoder_get_channel_assignment(decoder_);
132 unsigned Stream::get_bits_per_sample() const
134 FLAC__ASSERT(is_valid());
135 return ::FLAC__stream_decoder_get_bits_per_sample(decoder_);
138 unsigned Stream::get_sample_rate() const
140 FLAC__ASSERT(is_valid());
141 return ::FLAC__stream_decoder_get_sample_rate(decoder_);
144 unsigned Stream::get_blocksize() const
146 FLAC__ASSERT(is_valid());
147 return ::FLAC__stream_decoder_get_blocksize(decoder_);
150 ::FLAC__StreamDecoderInitStatus Stream::init()
152 FLAC__ASSERT(is_valid());
153 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);
156 void Stream::finish()
158 FLAC__ASSERT(is_valid());
159 ::FLAC__stream_decoder_finish(decoder_);
164 FLAC__ASSERT(is_valid());
165 return (bool)::FLAC__stream_decoder_flush(decoder_);
170 FLAC__ASSERT(is_valid());
171 return (bool)::FLAC__stream_decoder_reset(decoder_);
174 bool Stream::process_single()
176 FLAC__ASSERT(is_valid());
177 return (bool)::FLAC__stream_decoder_process_single(decoder_);
180 bool Stream::process_until_end_of_metadata()
182 FLAC__ASSERT(is_valid());
183 return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_);
186 bool Stream::process_until_end_of_stream()
188 FLAC__ASSERT(is_valid());
189 return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_);
192 bool Stream::skip_single_frame()
194 FLAC__ASSERT(is_valid());
195 return (bool)::FLAC__stream_decoder_skip_single_frame(decoder_);
198 bool Stream::seek_absolute(FLAC__uint64 sample)
200 FLAC__ASSERT(is_valid());
201 return (bool)::FLAC__stream_decoder_seek_absolute(decoder_, sample);
204 ::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
206 (void)absolute_byte_offset;
207 return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
210 ::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
212 (void)absolute_byte_offset;
213 return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
216 ::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length)
219 return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
222 bool Stream::eof_callback()
227 void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
232 ::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
235 FLAC__ASSERT(0 != client_data);
236 Stream *instance = reinterpret_cast<Stream *>(client_data);
237 FLAC__ASSERT(0 != instance);
238 return instance->read_callback(buffer, bytes);
241 ::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
244 FLAC__ASSERT(0 != client_data);
245 Stream *instance = reinterpret_cast<Stream *>(client_data);
246 FLAC__ASSERT(0 != instance);
247 return instance->seek_callback(absolute_byte_offset);
250 ::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, 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->tell_callback(absolute_byte_offset);
259 ::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, 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->length_callback(stream_length);
268 FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, 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->eof_callback();
277 ::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], 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->write_callback(frame, buffer);
286 void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
289 FLAC__ASSERT(0 != client_data);
290 Stream *instance = reinterpret_cast<Stream *>(client_data);
291 FLAC__ASSERT(0 != instance);
292 instance->metadata_callback(metadata);
295 void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
298 FLAC__ASSERT(0 != client_data);
299 Stream *instance = reinterpret_cast<Stream *>(client_data);
300 FLAC__ASSERT(0 != instance);
301 instance->error_callback(status);