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95 lines
3.6 KiB
95 lines
3.6 KiB
4 years ago
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=== Highlights of the 0.6.13 release ===
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Features
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* Better dvd support using mpeg export profiles;
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use --export_prof dvd-pal or dvd-ntsc for encoding using mpeg2enc/mp2enc or
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--export_prof dvd-pal or dvd-ntsc -y ffmpeg for encoding using
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libavcodec/ffmpeg (fast!);
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* Experimental support for import_bktr and import_sunau on NetBSD
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and OpenBSD;
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* A new option to export_dvraw "static_qno" to supply this value
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to libdv (this seems to help to make encoding a lot faster);
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* Check external programs' existence before starting them. This gives
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much more informative error messages;
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* Transcode now uses an optimised (asm, mmx, sse, sse2) version of memcpy
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when possible. This gives 10% - 20% speed increase;
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* New video deinterlacing filter: filter_tomsmocomp;
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* New import module ffbin that uses the "ffmpeg" executable to decode
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video or audio, much like the "mplayer" import module;
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* New audio export module "mp2" that's capable to change runtime, useful
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for converting 29.97 fps movies back and forth to 25 fps.
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See doc/export_mp2.txt;
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* Default settings for ffmpeg export are now for optimised for maximum
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speed which should make real time encoding possible on many computers;
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* New filter filter_levels to scale e.g. ITU-R601 luma values to
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the full range and vv. See Changelog for details;
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* aviindex can now convert mplayer-generated index files to
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transcode index files and the other way round. See the manpage of
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aviindex for usage examples;
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* Support for using ffmpeg/libavcodec multithreaded encoding via the
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"threads" entry in ffmpeg.cfg.
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Compilation
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* Use pkgconfig system (/usr/lib/pkgconfig) file for configuring
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transcode whenever possible;
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* Modules with external dependencies are not build by default anymore.
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Enable these explicitely. Have a close look at the output of
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configure --help. This was done to prevent the usual suprises when
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running transcode and some of the modules weren't build because their
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dependencies weren't met during compile time. Now if you enable a module,
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it's dependencies must be met or you will get an error;
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* Removed default compiler optimisation flags which were GCC-specific.
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The user needs to supply these him/herself.
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Source code cleanup
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* A lot of autoconf/automake cleanup;
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* FFmpeg is no longer supplied with transcode because it is very important
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to always have a recent version of FFmpeg. So now download ffmpeg from
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cvs (always from cvs!), configure it to make shared libraries, install it,
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and then compile transcode. Transcode cannot be compiled without FFmpeg.
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There is a configure option to build transcode linked to ffmpeg statically,
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but that's experimental. I will probably only work on linux;
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* Internal frame handling is now done in the YUV colourspace (more
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exactly: YUV420P or YV12) by default. This is much more suitable
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for almost all video encoders and decoders, so it's faster and more
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accurate because often two conversion steps can be skipped. In some
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cases the old-style RGB handling is necessary, use either -1 or --use_rgb
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to revert to the old behaviour;
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* Removed all autogenerated files from CVS.
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Bugs
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* A lot of bugs fixed;
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* Lots of compile-time warnings fixed;
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* Replaced the stone-age implementation of the resample filter (which also
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tends make transcode dump core) by similar functionality from
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libavcodec (ffmpeg);
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* The supplied mp3lame lib was also stone-aged so it has been removed.
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Use an external version instead.
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=== IMPORTANT ===
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Read INSTALL throughly or you won't be able to install transcode!
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