1 /* libFLAC++ - Free Lossless Audio Codec library
2 * Copyright (C) 2002,2003,2004 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 SeekableStream::SeekableStream():
44 decoder_(::FLAC__seekable_stream_decoder_new())
47 SeekableStream::~SeekableStream()
50 (void) ::FLAC__seekable_stream_decoder_finish(decoder_);
51 ::FLAC__seekable_stream_decoder_delete(decoder_);
55 bool SeekableStream::is_valid() const
60 bool SeekableStream::set_md5_checking(bool value)
62 FLAC__ASSERT(is_valid());
63 return (bool)::FLAC__seekable_stream_decoder_set_md5_checking(decoder_, value);
66 bool SeekableStream::set_metadata_respond(::FLAC__MetadataType type)
68 FLAC__ASSERT(is_valid());
69 return (bool)::FLAC__seekable_stream_decoder_set_metadata_respond(decoder_, type);
72 bool SeekableStream::set_metadata_respond_application(const FLAC__byte id[4])
74 FLAC__ASSERT(is_valid());
75 return (bool)::FLAC__seekable_stream_decoder_set_metadata_respond_application(decoder_, id);
78 bool SeekableStream::set_metadata_respond_all()
80 FLAC__ASSERT(is_valid());
81 return (bool)::FLAC__seekable_stream_decoder_set_metadata_respond_all(decoder_);
84 bool SeekableStream::set_metadata_ignore(::FLAC__MetadataType type)
86 FLAC__ASSERT(is_valid());
87 return (bool)::FLAC__seekable_stream_decoder_set_metadata_ignore(decoder_, type);
90 bool SeekableStream::set_metadata_ignore_application(const FLAC__byte id[4])
92 FLAC__ASSERT(is_valid());
93 return (bool)::FLAC__seekable_stream_decoder_set_metadata_ignore_application(decoder_, id);
96 bool SeekableStream::set_metadata_ignore_all()
98 FLAC__ASSERT(is_valid());
99 return (bool)::FLAC__seekable_stream_decoder_set_metadata_ignore_all(decoder_);
102 SeekableStream::State SeekableStream::get_state() const
104 FLAC__ASSERT(is_valid());
105 return State(::FLAC__seekable_stream_decoder_get_state(decoder_));
108 Stream::State SeekableStream::get_stream_decoder_state() const
110 FLAC__ASSERT(is_valid());
111 return Stream::State(::FLAC__seekable_stream_decoder_get_stream_decoder_state(decoder_));
114 bool SeekableStream::get_md5_checking() const
116 FLAC__ASSERT(is_valid());
117 return (bool)::FLAC__seekable_stream_decoder_get_md5_checking(decoder_);
120 unsigned SeekableStream::get_channels() const
122 FLAC__ASSERT(is_valid());
123 return ::FLAC__seekable_stream_decoder_get_channels(decoder_);
126 ::FLAC__ChannelAssignment SeekableStream::get_channel_assignment() const
128 FLAC__ASSERT(is_valid());
129 return ::FLAC__seekable_stream_decoder_get_channel_assignment(decoder_);
132 unsigned SeekableStream::get_bits_per_sample() const
134 FLAC__ASSERT(is_valid());
135 return ::FLAC__seekable_stream_decoder_get_bits_per_sample(decoder_);
138 unsigned SeekableStream::get_sample_rate() const
140 FLAC__ASSERT(is_valid());
141 return ::FLAC__seekable_stream_decoder_get_sample_rate(decoder_);
144 unsigned SeekableStream::get_blocksize() const
146 FLAC__ASSERT(is_valid());
147 return ::FLAC__seekable_stream_decoder_get_blocksize(decoder_);
150 SeekableStream::State SeekableStream::init()
152 FLAC__ASSERT(is_valid());
153 ::FLAC__seekable_stream_decoder_set_read_callback(decoder_, read_callback_);
154 ::FLAC__seekable_stream_decoder_set_seek_callback(decoder_, seek_callback_);
155 ::FLAC__seekable_stream_decoder_set_tell_callback(decoder_, tell_callback_);
156 ::FLAC__seekable_stream_decoder_set_length_callback(decoder_, length_callback_);
157 ::FLAC__seekable_stream_decoder_set_eof_callback(decoder_, eof_callback_);
158 ::FLAC__seekable_stream_decoder_set_write_callback(decoder_, write_callback_);
159 ::FLAC__seekable_stream_decoder_set_metadata_callback(decoder_, metadata_callback_);
160 ::FLAC__seekable_stream_decoder_set_error_callback(decoder_, error_callback_);
161 ::FLAC__seekable_stream_decoder_set_client_data(decoder_, (void*)this);
162 return State(::FLAC__seekable_stream_decoder_init(decoder_));
165 bool SeekableStream::finish()
167 FLAC__ASSERT(is_valid());
168 return (bool)::FLAC__seekable_stream_decoder_finish(decoder_);
171 bool SeekableStream::flush()
173 FLAC__ASSERT(is_valid());
174 return (bool)::FLAC__seekable_stream_decoder_flush(decoder_);
177 bool SeekableStream::reset()
179 FLAC__ASSERT(is_valid());
180 return (bool)::FLAC__seekable_stream_decoder_reset(decoder_);
183 bool SeekableStream::process_single()
185 FLAC__ASSERT(is_valid());
186 return (bool)::FLAC__seekable_stream_decoder_process_single(decoder_);
189 bool SeekableStream::process_until_end_of_metadata()
191 FLAC__ASSERT(is_valid());
192 return (bool)::FLAC__seekable_stream_decoder_process_until_end_of_metadata(decoder_);
195 bool SeekableStream::process_until_end_of_stream()
197 FLAC__ASSERT(is_valid());
198 return (bool)::FLAC__seekable_stream_decoder_process_until_end_of_stream(decoder_);
201 bool SeekableStream::seek_absolute(FLAC__uint64 sample)
203 FLAC__ASSERT(is_valid());
204 return (bool)::FLAC__seekable_stream_decoder_seek_absolute(decoder_, sample);
207 ::FLAC__SeekableStreamDecoderReadStatus SeekableStream::read_callback_(const ::FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
210 FLAC__ASSERT(0 != client_data);
211 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
212 FLAC__ASSERT(0 != instance);
213 return instance->read_callback(buffer, bytes);
216 ::FLAC__SeekableStreamDecoderSeekStatus SeekableStream::seek_callback_(const ::FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
219 FLAC__ASSERT(0 != client_data);
220 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
221 FLAC__ASSERT(0 != instance);
222 return instance->seek_callback(absolute_byte_offset);
225 ::FLAC__SeekableStreamDecoderTellStatus SeekableStream::tell_callback_(const ::FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
228 FLAC__ASSERT(0 != client_data);
229 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
230 FLAC__ASSERT(0 != instance);
231 return instance->tell_callback(absolute_byte_offset);
234 ::FLAC__SeekableStreamDecoderLengthStatus SeekableStream::length_callback_(const ::FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
237 FLAC__ASSERT(0 != client_data);
238 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
239 FLAC__ASSERT(0 != instance);
240 return instance->length_callback(stream_length);
243 FLAC__bool SeekableStream::eof_callback_(const ::FLAC__SeekableStreamDecoder *decoder, void *client_data)
246 FLAC__ASSERT(0 != client_data);
247 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
248 FLAC__ASSERT(0 != instance);
249 return instance->eof_callback();
252 ::FLAC__StreamDecoderWriteStatus SeekableStream::write_callback_(const ::FLAC__SeekableStreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
255 FLAC__ASSERT(0 != client_data);
256 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
257 FLAC__ASSERT(0 != instance);
258 return instance->write_callback(frame, buffer);
261 void SeekableStream::metadata_callback_(const ::FLAC__SeekableStreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
264 FLAC__ASSERT(0 != client_data);
265 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
266 FLAC__ASSERT(0 != instance);
267 instance->metadata_callback(metadata);
270 void SeekableStream::error_callback_(const ::FLAC__SeekableStreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
273 FLAC__ASSERT(0 != client_data);
274 SeekableStream *instance = reinterpret_cast<SeekableStream *>(client_data);
275 FLAC__ASSERT(0 != instance);
276 instance->error_callback(status);