add 1.1.1 changelog entry for PPC optimizations
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74                 <B><FONT SIZE="+2">changelog</FONT></B>
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80
81         <P>
82                 This is an informal changelog, a summary of changes in each release.  Particulary important for developers is the precise description of changes to the library interfaces.
83         </P>
84
85         <P>
86                 <A NAME="flac_1_1_1"><B>FLAC 1.1.1</B></A>
87         </P>
88         <P>
89         <UL>
90                 <LI>
91                         General:
92                         <UL>
93                                 <LI>New PPC optimizations almost double the decoding speed on OS X</LI>
94                                 <LI>Ogg FLAC seeking now works</LI>
95                         </UL>
96                 </LI>
97                 <LI>
98                         FLAC format:
99                         <UL>
100                                 <LI>Make invalid the metadata block type 127 so that audio frames can always be distinguished from metadata by seeing 0xff as the first byte.</LI>
101                         </UL>
102                 </LI>
103                 <LI>
104                         flac:
105                         <UL>
106                                 <LI>Print an error when output file already exists instead of automatically overwriting.</LI>
107                                 <LI>New option <A HREF="documentation.html#flac_options_force"><TT>-f</TT> (<TT>--force</TT>)</A> to force overwriting if the output file already exists.</LI>
108                                 <LI>New option <A HREF="documentation.html#flac_options_cue"><TT>--cue</TT></A> to select a specific section to decode using cuesheet track/index points.</LI>
109                                 <LI>New option <A HREF="documentation.html#flac_options_totally_silent"><TT>--totally-silent</TT></A> to suppress all output.</LI>
110                                 <LI>New (but undocumented) option <TT>--apply-replaygain-which-is-not-lossless</TT> which applies ReplayGain to the decoded output.  See <A HREF="http://www.hydrogenaudio.org/forums/index.php?showtopic=17293&st=11">this thread</A> for usage and caveats.</LI>
111                                 <LI>When encoding to Ogg FLAC, use a random serial number (instead of 0 as was done before) when a serial number is not specified.</LI>
112                                 <LI>When encoding multiple Ogg FLAC streams, <TT>--serial-number</TT> or random serial number sets the first number, which is then incremented for subsequent streams (before, the same serial number was used for all streams).</LI>
113                                 <LI>Decoder no longer exits with an error when writing to stdout and the pipe is broken.</LI>
114                                 <LI>Better explanation of common error messages.</LI>
115                                 <LI>Default extension when writing AIFF files is .aif (before, it was .aiff).</LI>
116                                 <LI>Write more common representation of SANE numbers in AIFF files.</LI>
117                                 <LI>Bug fix: calculating ReplayGain on 48kHz streams.</LI>
118                                 <LI>Bug fix: check for supported block alignments in WAVE files.</LI>
119                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=679166&group_id=13478&atid=113478">#679166</A>: flac doesn't respect RIFF subchunk padding byte.</LI>
120                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=828391&group_id=13478&atid=113478">#828391</A>: --add-replay-gain segfaults.</LI>
121                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=851155&group_id=13478&atid=113478">#851155</A>: Can't seek to position in flac file.</LI>
122                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=851756&group_id=13478&atid=113478">#851756</A>: flac --skip --until reads entire file.</LI>
123                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=877122&group_id=13478&atid=113478">#877122</A>: problem parsing cuesheet with CATALOG entry.</LI>
124                                 <LI>Bug fix: <A HREF="http://sourceforge.net/tracker/index.php?func=detail&aid=896057&group_id=13478&atid=113478">#896057</A>: parsing ISRC number from cuesheet.</LI>
125                         </UL>
126                 </LI>
127                 <LI>
128                         metaflac:
129                         <UL>
130                                 <LI>Better explanation of common error messages.</LI>
131                                 <LI>Bug fix: calculating ReplayGain on 48kHz streams.</LI>
132                                 <LI>Bug fix: incorrect numbers when printing seek points.</LI>
133                         </UL>
134                 </LI>
135                 <LI>
136                         plugins:
137                         <UL>
138                                 <LI>Speed optimization in ReplayGain synthesis.</LI>
139                                 <LI>Speed optimization in XMMS playback.</LI>
140                                 <LI>Support for big-endian architectures in XMMS plugin.</LI>
141                                 <LI>Bug fix: make hard limiter default to off in XMMS plugin.</LI>
142                                 <LI>Bug fix: stream length calculation bug in XMMS plugin, debian bug #200435; <A HREF="http://sourceforge.net/mailarchive/forum.php?thread_id=2733072&forum_id=6312">see also</A>.</LI>
143                                 <LI>Bug fix: small memory leak in XMMS plugin.</LI>
144                         </UL>
145                 </LI>
146                 <LI>
147                         build system:
148                         <UL>
149                                 <LI><TT>ordinals.h</TT> is now static, not a build-generated file anymore.</LI>
150                         </UL>
151                 </LI>
152                 <LI>
153                         libraries:
154                         <UL>
155                                 <LI>libFLAC: PPC+Altivec optimizations of some decoder routines.</LI>
156                                 <LI>libFLAC: Make stream encoder encode the blocksize and sample rate in the frame header if at all possible (not in STREAMINFO), even if subset encoding was not requested.</LI>
157                                 <LI>libFLAC: Bug fix: fixed seek routine where infinite loop could happen when seeking past end of stream.</LI>
158                                 <LI>libFLAC, libFLAC++: added methods to skip single frames, useful for quickly finding frame boundaries (see interface changes below).</LI>
159                                 <LI>libOggFLAC, libOggFLAC++: New seekable-stream and file encoder and decoder APIs to match native FLAC APIs (see interface changes below).</LI>
160                         </UL>
161                 </LI>
162                 <LI>
163                         Interface changes:
164                         <UL>
165                                 <LI>
166                                         libFLAC:
167                                         <UL>
168                                                 <LI><B>Added</B> callback-based versions of metadata editing functions:
169                                                         <UL>
170                                                                 <LI>FLAC__metadata_chain_read_with_callbacks()</LI>
171                                                                 <LI>FLAC__metadata_chain_write_with_callbacks()</LI>
172                                                                 <LI>FLAC__metadata_chain_write_with_callbacks_and_tempfile()</LI>
173                                                                 <LI>FLAC__metadata_chain_check_if_tempfile_needed()</LI>
174                                                         </UL>
175                                                 </LI>
176                                                 <LI><B>Added</B> decoder functions for skipping single frames, also useful for quickly finding frame boundaries:
177                                                         <UL>
178                                                                 <LI>FLAC__stream_decoder_skip_single_frame()</LI>
179                                                                 <LI>FLAC__seekable_stream_decoder_skip_single_frame()</LI>
180                                                                 <LI>FLAC__file_decoder_skip_single_frame()</LI>
181                                                         </UL>
182                                                 </LI>
183                                                 <LI><B>Added</B> new required tell callback on seekable stream encoder:
184                                                         <UL>
185                                                                 <LI>FLAC__SeekableStreamEncoderTellStatus and FLAC__SeekableStreamEncoderTellStatusString[]</LI>
186                                                                 <LI>FLAC__SeekableStreamEncoderTellCallback</LI>
187                                                                 <LI>FLAC__seekable_stream_encoder_set_tell_callback()</LI>
188                                                         </UL>
189                                                 </LI>
190                                                 <LI><B>Changed</B> FLAC__SeekableStreamEncoderState by adding FLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR</LI>
191                                                 <LI><B>Changed</B> Tell callback is now required to initialize seekable stream encoder</LI>
192                                                 <LI><B>Deleted</B> erroneous and unimplemented FLAC__file_decoder_process_remaining_frames()</LI>
193                                         </UL>
194                                 </LI>
195                                 <LI>
196                                         libFLAC++:
197                                         <UL>
198                                                 <LI><B>Added</B> decoder functions for skipping single frames, also useful for quickly finding frame boundaries:
199                                                         <UL>
200                                                                 <LI>FLAC::Decoder::Stream::skip_single_frame()</LI>
201                                                                 <LI>FLAC::Decoder::SeekableStream::skip_single_frame()</LI>
202                                                                 <LI>FLAC::Decoder::File::skip_single_frame()</LI>
203                                                         </UL>
204                                                 </LI>
205                                                 <LI><B>Added</B> encoder functions for setting metadata:
206                                                         <UL>
207                                                                 <LI>FLAC::Encoder::Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)</LI>
208                                                                 <LI>FLAC::Encoder::SeekableStream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)</LI>
209                                                                 <LI>FLAC::Encoder::File::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)</LI>
210                                                         </UL>
211                                                 </LI>
212                                                 <LI><B>Added</B> new required tell callback on seekable stream encoder:
213                                                         <UL>
214                                                                 <LI>pure virtual FLAC::Encoder::SeekableStream::tell_callback()</LI>
215                                                         </UL>
216                                                 </LI>
217                                                 <LI><B>Changed</B> Tell callback is now required to initialize seekable stream encoder</LI>
218                                                 <LI><B>Deleted</B> the following methods:
219                                                         <UL>
220                                                                 <LI>FLAC::Decoder::Stream::State::resolved_as_cstring()</LI>
221                                                                 <LI>FLAC::Encoder::Stream::State::resolved_as_cstring()</LI>
222                                                         </UL>
223                                                 </LI>
224                                         </UL>
225                                 </LI>
226                                 <LI>
227                                         libOggFLAC:
228                                         <UL>
229                                                 <LI><B>Added</B> OggFLAC__SeekableStreamDecoder interface</LI>
230                                                 <LI><B>Added</B> OggFLAC__FileDecoder interface</LI>
231                                                 <LI><B>Added</B> OggFLAC__SeekableStreamEncoder interface</LI>
232                                                 <LI><B>Added</B> OggFLAC__FileEncoder interface</LI>
233                                                 <LI><B>Added</B> OggFLAC__stream_decoder_get_resolved_state_string()</LI>
234                                                 <LI><B>Added</B> OggFLAC__stream_encoder_get_resolved_state_string()</LI>
235                                                 <LI><B>Added</B> OggFLAC__stream_encoder_set_metadata_callback()</LI>
236                                                 <LI><B>Changed</B> OggFLAC__StreamDecoderState by adding OggFLAC__STREAM_DECODER_END_OF_STREAM</LI>
237                                         </UL>
238                                 </LI>
239                                 <LI>
240                                         libOggFLAC++:
241                                         <UL>
242                                                 <LI><B>Added</B> OggFLAC::Decoder::SeekableStream interface</LI>
243                                                 <LI><B>Added</B> OggFLAC::Decoder::File interface</LI>
244                                                 <LI><B>Added</B> OggFLAC::Encoder::SeekableStream interface</LI>
245                                                 <LI><B>Added</B> OggFLAC::Encoder::File interface</LI>
246                                                 <LI><B>Added</B> OggFLAC::Decoder::Stream::get_resolved_state_string()</LI>
247                                                 <LI><B>Added</B> OggFLAC::Encoder::Stream::get_resolved_state_string()</LI>
248                                                 <LI><B>Added</B> pure virtual OggFLAC::Encoder::Stream::metadata_callback()</LI>
249                                         </UL>
250                                 </LI>
251                         </UL>
252                 </LI>
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