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 )
44 decoder_(::FLAC__file_decoder_new())
50 (void) ::FLAC__file_decoder_finish(decoder_);
51 ::FLAC__file_decoder_delete(decoder_);
55 bool File::is_valid() const
60 bool File::set_md5_checking(bool value)
62 FLAC__ASSERT(0 != decoder_);
63 return (bool)::FLAC__file_decoder_set_md5_checking(decoder_, value);
66 bool File::set_filename(const char *value)
68 FLAC__ASSERT(0 != decoder_);
69 return (bool)::FLAC__file_decoder_set_filename(decoder_, value);
72 bool File::set_metadata_respond(::FLAC__MetadataType type)
74 FLAC__ASSERT(0 != decoder_);
75 return (bool)::FLAC__file_decoder_set_metadata_respond(decoder_, type);
78 bool File::set_metadata_respond_application(const FLAC__byte id[4])
80 FLAC__ASSERT(0 != decoder_);
81 return (bool)::FLAC__file_decoder_set_metadata_respond_application(decoder_, id);
84 bool File::set_metadata_respond_all()
86 FLAC__ASSERT(0 != decoder_);
87 return (bool)::FLAC__file_decoder_set_metadata_respond_all(decoder_);
90 bool File::set_metadata_ignore(::FLAC__MetadataType type)
92 FLAC__ASSERT(0 != decoder_);
93 return (bool)::FLAC__file_decoder_set_metadata_ignore(decoder_, type);
96 bool File::set_metadata_ignore_application(const FLAC__byte id[4])
98 FLAC__ASSERT(0 != decoder_);
99 return (bool)::FLAC__file_decoder_set_metadata_ignore_application(decoder_, id);
102 bool File::set_metadata_ignore_all()
104 FLAC__ASSERT(0 != decoder_);
105 return (bool)::FLAC__file_decoder_set_metadata_ignore_all(decoder_);
108 File::State File::get_state() const
110 FLAC__ASSERT(0 != decoder_);
111 return State(::FLAC__file_decoder_get_state(decoder_));
114 SeekableStream::State File::get_seekable_stream_decoder_state() const
116 FLAC__ASSERT(0 != decoder_);
117 return SeekableStream::State(::FLAC__file_decoder_get_seekable_stream_decoder_state(decoder_));
120 Stream::State File::get_stream_decoder_state() const
122 FLAC__ASSERT(0 != decoder_);
123 return Stream::State(::FLAC__file_decoder_get_stream_decoder_state(decoder_));
126 bool File::get_md5_checking() const
128 FLAC__ASSERT(0 != decoder_);
129 return (bool)::FLAC__file_decoder_get_md5_checking(decoder_);
132 unsigned File::get_channels() const
134 FLAC__ASSERT(is_valid());
135 return ::FLAC__file_decoder_get_channels(decoder_);
138 ::FLAC__ChannelAssignment File::get_channel_assignment() const
140 FLAC__ASSERT(is_valid());
141 return ::FLAC__file_decoder_get_channel_assignment(decoder_);
144 unsigned File::get_bits_per_sample() const
146 FLAC__ASSERT(is_valid());
147 return ::FLAC__file_decoder_get_bits_per_sample(decoder_);
150 unsigned File::get_sample_rate() const
152 FLAC__ASSERT(is_valid());
153 return ::FLAC__file_decoder_get_sample_rate(decoder_);
156 unsigned File::get_blocksize() const
158 FLAC__ASSERT(is_valid());
159 return ::FLAC__file_decoder_get_blocksize(decoder_);
162 File::State File::init()
164 FLAC__ASSERT(0 != decoder_);
165 ::FLAC__file_decoder_set_write_callback(decoder_, write_callback_);
166 ::FLAC__file_decoder_set_metadata_callback(decoder_, metadata_callback_);
167 ::FLAC__file_decoder_set_error_callback(decoder_, error_callback_);
168 ::FLAC__file_decoder_set_client_data(decoder_, (void*)this);
169 return State(::FLAC__file_decoder_init(decoder_));
174 FLAC__ASSERT(0 != decoder_);
175 return (bool)::FLAC__file_decoder_finish(decoder_);
178 bool File::process_single()
180 FLAC__ASSERT(0 != decoder_);
181 return (bool)::FLAC__file_decoder_process_single(decoder_);
184 bool File::process_until_end_of_metadata()
186 FLAC__ASSERT(0 != decoder_);
187 return (bool)::FLAC__file_decoder_process_until_end_of_metadata(decoder_);
190 bool File::process_until_end_of_file()
192 FLAC__ASSERT(0 != decoder_);
193 return (bool)::FLAC__file_decoder_process_until_end_of_file(decoder_);
196 bool File::skip_single_frame()
198 FLAC__ASSERT(is_valid());
199 return (bool)::FLAC__file_decoder_skip_single_frame(decoder_);
202 bool File::seek_absolute(FLAC__uint64 sample)
204 FLAC__ASSERT(0 != decoder_);
205 return (bool)::FLAC__file_decoder_seek_absolute(decoder_, sample);
208 ::FLAC__StreamDecoderWriteStatus File::write_callback_(const ::FLAC__FileDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
211 FLAC__ASSERT(0 != client_data);
212 File *instance = reinterpret_cast<File *>(client_data);
213 FLAC__ASSERT(0 != instance);
214 return instance->write_callback(frame, buffer);
217 void File::metadata_callback_(const ::FLAC__FileDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
220 FLAC__ASSERT(0 != client_data);
221 File *instance = reinterpret_cast<File *>(client_data);
222 FLAC__ASSERT(0 != instance);
223 instance->metadata_callback(metadata);
226 void File::error_callback_(const ::FLAC__FileDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
229 FLAC__ASSERT(0 != client_data);
230 File *instance = reinterpret_cast<File *>(client_data);
231 FLAC__ASSERT(0 != instance);
232 instance->error_callback(status);