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<a class="el" href="dir_000000.html">include</a> / <a class="el" href="dir_000001.html">FLAC++</a></div>
<h1>decoder.h</h1><a href="decoder_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/* libFLAC++ - Free Lossless Audio Codec library</span>
00002 <span class="comment"> * Copyright (C) 2002,2003,2004,2005,2006,2007 Josh Coalson</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
00005 <span class="comment"> * modification, are permitted provided that the following conditions</span>
00006 <span class="comment"> * are met:</span>
00007 <span class="comment"> *</span>
00008 <span class="comment"> * - Redistributions of source code must retain the above copyright</span>
00009 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span>
00010 <span class="comment"> *</span>
00011 <span class="comment"> * - Redistributions in binary form must reproduce the above copyright</span>
00012 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
00013 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
00014 <span class="comment"> *</span>
00015 <span class="comment"> * - Neither the name of the Xiph.org Foundation nor the names of its</span>
00016 <span class="comment"> * contributors may be used to endorse or promote products derived from</span>
00017 <span class="comment"> * this software without specific prior written permission.</span>
00018 <span class="comment"> *</span>
00019 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
00020 <span class="comment"> * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
00021 <span class="comment"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
00022 <span class="comment"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR</span>
00023 <span class="comment"> * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span>
00024 <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span>
00025 <span class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span>
00026 <span class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF</span>
00027 <span class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span>
00028 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
00029 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
00030 <span class="comment"> */</span>
00031
00032 <span class="preprocessor">#ifndef FLACPP__DECODER_H</span>
00033 <span class="preprocessor"></span><span class="preprocessor">#define FLACPP__DECODER_H</span>
00034 <span class="preprocessor"></span>
00035 <span class="preprocessor">#include "<a class="code" href="+_2export_8h.html">export.h</a>"</span>
00036
00037 <span class="preprocessor">#include <string></span>
00038 <span class="preprocessor">#include "<a class="code" href="stream__decoder_8h.html">FLAC/stream_decoder.h</a>"</span>
00039
00040
00077 <span class="keyword">namespace </span>FLAC {
00078 <span class="keyword">namespace </span>Decoder {
00079
<a name="l00099"></a><a class="code" href="classFLAC_1_1Decoder_1_1Stream.html">00099</a> <span class="keyword">class </span>FLACPP_API Stream {
00100 <span class="keyword">public</span>:
<a name="l00103"></a><a class="code" href="classFLAC_1_1Decoder_1_1Stream_1_1State.html">00103</a> <span class="keyword">class </span>FLACPP_API State {
00104 <span class="keyword">public</span>:
00105 <span class="keyword">inline</span> State(::<a class="code" href="group__flac__stream__decoder.html#ga50">FLAC__StreamDecoderState</a> state): state_(state) { }
00106 <span class="keyword">inline</span> <a class="code" href="group__flac__stream__decoder.html#ga50">operator ::FLAC__StreamDecoderState</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> state_; }
00107 <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *as_cstring()<span class="keyword"> const </span>{ <a class="code" href="group__flac__stream__decoder.html#ga0">return ::FLAC__StreamDecoderStateString</a>[state_]; }
00108 <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *resolved_as_cstring(<span class="keyword">const</span> Stream &decoder)<span class="keyword"> const </span>{ <a class="code" href="group__flac__stream__decoder.html#ga27">return ::FLAC__stream_decoder_get_resolved_state_string</a>(decoder.<a class="code" href="classFLAC_1_1Decoder_1_1Stream.html#FLAC_1_1Decoder_1_1Streamp0">decoder_</a>); }
00109 <span class="keyword">protected</span>:<a class="code" href="group__flac__stream__decoder.html#ga50"></a>
00110 <a class="code" href="group__flac__stream__decoder.html#ga50"> ::FLAC__StreamDecoderState</a> state_;
00111 };
00112
00113 Stream();
00114 <span class="keyword">virtual</span> ~Stream();
00115
00117
00120 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> is_valid() <span class="keyword">const</span>;
<a name="l00121"></a><a class="code" href="classFLAC_1_1Decoder_1_1Stream.html#FLAC_1_1Decoder_1_1Streama3">00121</a> <span class="keyword">inline</span> operator bool()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_valid(); }
00122
00123
00124 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_ogg_serial_number(<span class="keywordtype">long</span> value);
00125 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_md5_checking(<span class="keywordtype">bool</span> value);
00126 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_respond(::<a class="code" href="group__flac__format.html#ga113">FLAC__MetadataType</a> type);
00127 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_respond_application(<span class="keyword">const</span> FLAC__byte <span class="keywordtype">id</span>[4]);
00128 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_respond_all();
00129 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_ignore(::<a class="code" href="group__flac__format.html#ga113">FLAC__MetadataType</a> type);
00130 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_ignore_application(<span class="keyword">const</span> FLAC__byte <span class="keywordtype">id</span>[4]);
00131 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> set_metadata_ignore_all();
00132
00133 <span class="comment">/* get_state() is not virtual since we want subclasses to be able to return their own state */</span>
00134 State get_state() <span class="keyword">const</span>;
00135 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> get_md5_checking() <span class="keyword">const</span>;
00136 <span class="keyword">virtual</span> FLAC__uint64 get_total_samples() <span class="keyword">const</span>;
00137 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> get_channels() <span class="keyword">const</span>;
00138 <a class="code" href="group__flac__format.html#ga111">virtual ::FLAC__ChannelAssignment</a> get_channel_assignment() <span class="keyword">const</span>;
00139 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> get_bits_per_sample() <span class="keyword">const</span>;
00140 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> get_sample_rate() <span class="keyword">const</span>;
00141 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> get_blocksize() <span class="keyword">const</span>;
00142 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> get_decode_position(FLAC__uint64 *position) <span class="keyword">const</span>;
00143
00144 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init();
00145 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init_ogg();
00146
00147 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> finish();
00148
00149 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> flush();
00150 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> reset();
00151
00152 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> process_single();
00153 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> process_until_end_of_metadata();
00154 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> process_until_end_of_stream();
00155 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> skip_single_frame();
00156
00157 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> seek_absolute(FLAC__uint64 sample);
00158 <span class="keyword">protected</span>:
00160 <a class="code" href="group__flac__stream__decoder.html#ga52">virtual ::FLAC__StreamDecoderReadStatus</a> read_callback(FLAC__byte buffer[], size_t *bytes) = 0;
00161
00163 <a class="code" href="group__flac__stream__decoder.html#ga53">virtual ::FLAC__StreamDecoderSeekStatus</a> seek_callback(FLAC__uint64 absolute_byte_offset);
00164
00166 <a class="code" href="group__flac__stream__decoder.html#ga54">virtual ::FLAC__StreamDecoderTellStatus</a> tell_callback(FLAC__uint64 *absolute_byte_offset);
00167
00169 <a class="code" href="group__flac__stream__decoder.html#ga55">virtual ::FLAC__StreamDecoderLengthStatus</a> length_callback(FLAC__uint64 *stream_length);
00170
00172 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> eof_callback();
00173
00175 <a class="code" href="group__flac__stream__decoder.html#ga56">virtual ::FLAC__StreamDecoderWriteStatus</a> write_callback(<span class="keyword">const</span> ::<a class="code" href="structFLAC____Frame.html">FLAC__Frame</a> *frame, <span class="keyword">const</span> FLAC__int32 * <span class="keyword">const</span> buffer[]) = 0;
00176
00178 <span class="keyword">virtual</span> <span class="keywordtype">void</span> metadata_callback(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamMetadata.html">FLAC__StreamMetadata</a> *metadata);
00179
00181 <span class="keyword">virtual</span> <span class="keywordtype">void</span> error_callback(::<a class="code" href="group__flac__stream__decoder.html#ga57">FLAC__StreamDecoderErrorStatus</a> status) = 0;
00182
00183 <span class="preprocessor">#if (defined _MSC_VER) || (defined __BORLANDC__) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)</span>
00184 <span class="preprocessor"></span> <span class="comment">// lame hack: some MSVC/GCC versions can't see a protected decoder_ from nested State::resolved_as_cstring()</span>
00185 <span class="keyword">friend</span> State;
00186 <span class="preprocessor">#endif</span>
00187 <span class="preprocessor"></span> ::FLAC__StreamDecoder *decoder_;
00188
00189 <a class="code" href="group__flac__stream__decoder.html#ga52">static ::FLAC__StreamDecoderReadStatus</a> read_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, FLAC__byte buffer[], size_t *bytes, <span class="keywordtype">void</span> *client_data);
00190 <a class="code" href="group__flac__stream__decoder.html#ga53">static ::FLAC__StreamDecoderSeekStatus</a> seek_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, FLAC__uint64 absolute_byte_offset, <span class="keywordtype">void</span> *client_data);
00191 <a class="code" href="group__flac__stream__decoder.html#ga54">static ::FLAC__StreamDecoderTellStatus</a> tell_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, FLAC__uint64 *absolute_byte_offset, <span class="keywordtype">void</span> *client_data);
00192 <a class="code" href="group__flac__stream__decoder.html#ga55">static ::FLAC__StreamDecoderLengthStatus</a> length_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, FLAC__uint64 *stream_length, <span class="keywordtype">void</span> *client_data);
00193 <span class="keyword">static</span> FLAC__bool eof_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, <span class="keywordtype">void</span> *client_data);
00194 <a class="code" href="group__flac__stream__decoder.html#ga56">static ::FLAC__StreamDecoderWriteStatus</a> write_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, <span class="keyword">const</span> ::<a class="code" href="structFLAC____Frame.html">FLAC__Frame</a> *frame, <span class="keyword">const</span> FLAC__int32 * <span class="keyword">const</span> buffer[], <span class="keywordtype">void</span> *client_data);
00195 <span class="keyword">static</span> <span class="keywordtype">void</span> metadata_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, <span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamMetadata.html">FLAC__StreamMetadata</a> *metadata, <span class="keywordtype">void</span> *client_data);
00196 <span class="keyword">static</span> <span class="keywordtype">void</span> error_callback_(<span class="keyword">const</span> ::<a class="code" href="structFLAC____StreamDecoder.html">FLAC__StreamDecoder</a> *decoder, ::<a class="code" href="group__flac__stream__decoder.html#ga57">FLAC__StreamDecoderErrorStatus</a> status, <span class="keywordtype">void</span> *client_data);
00197 <span class="keyword">private</span>:
00198 <span class="comment">// Private and undefined so you can't use them:</span>
00199 Stream(<span class="keyword">const</span> Stream &);
00200 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> Stream &);
00201 };
00202
<a name="l00222"></a><a class="code" href="classFLAC_1_1Decoder_1_1File.html">00222</a> <span class="keyword">class </span>FLACPP_API File: <span class="keyword">public</span> Stream {
00223 <span class="keyword">public</span>:
00224 File();
00225 <span class="keyword">virtual</span> ~File();
00226
00227 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init(FILE *file);
00228 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename);
00229 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init(<span class="keyword">const</span> std::string &filename);
00230 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init_ogg(FILE *file);
00231 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init_ogg(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename);
00232 <a class="code" href="group__flac__stream__decoder.html#ga51">virtual ::FLAC__StreamDecoderInitStatus</a> init_ogg(<span class="keyword">const</span> std::string &filename);
00233 <span class="keyword">protected</span>:
00234 <span class="comment">// this is a dummy implementation to satisfy the pure virtual in Stream that is actually supplied internally by the C layer</span>
00235 <a class="code" href="group__flac__stream__decoder.html#ga52">virtual ::FLAC__StreamDecoderReadStatus</a> read_callback(FLAC__byte buffer[], size_t *bytes);
00236 <span class="keyword">private</span>:
00237 <span class="comment">// Private and undefined so you can't use them:</span>
00238 File(<span class="keyword">const</span> File &);
00239 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> File &);
00240 };
00241
00242 }
00243 }
00244
00245 <span class="preprocessor">#endif</span>
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