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ffmpeg / doc / TODO @ b8a2e120

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ffmpeg TODO list:
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Fabrice's TODO list: (unordered)
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Short term:
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- seeking API and example in ffplay
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- use AVFMTCTX_DISCARD_PKT in ffplay so that DV has a chance to work
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- add RTSP regression test (both client and server)
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- make ffserver allocate AVFormatContext
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- clean up (incompatible change, for 0.5.0):
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    * AVStream -> AVComponent
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    * AVFormatContext -> AVInputStream/AVOutputStream
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    * suppress rate_emu from AVCodecContext
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- add new float/integer audio filterting and conversion : suppress
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  CODEC_ID_PCM_xxc and use CODEC_ID_RAWAUDIO.
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- fix telecine and frame rate conversion
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Long term (ask me if you want to help):
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- commit new imgconvert API and new PIX_FMT_xxx alpha formats
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- commit new LGPL'ed float and integer-only AC3 decoder
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- add WMA integer-only decoder
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- add new MPEG4-AAC audio decoder (both integer-only and float version)
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Michael's TODO list: (unordered) (if anyone wanna help with sth, just ask)
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- optimize H264 CABAC
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- more optimizations
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- simper rate control
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Francois' TODO list: (unordered, without any timeframe)
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- test MACE decoder against the openquicktime one as suggested by A'rpi
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- BeOS audio input grabbing backend
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- BeOS video input grabbing backend
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- have a REAL BeOS errno fix (return MKERROR(EXXX);), not a hack
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- publish my BeOS libposix on BeBits so I can officially support ffserver :)
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- check the whole code for thread-safety (global and init stuff)
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Philip'a TODO list: (alphabetically ordered) (please help)
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- Add a multi-ffm filetype so that feeds can be recorded into multiple files rather
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  than one big file.
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- Authenticated users support -- where the authentication is in the URL
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- Change ASF files so that the embedded timestamp in the frames is right rather
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  than being an offset from the start of the stream
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- Make ffm files more resilient to changes in the codec structures so that you
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  can play old ffm files.
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unassigned TODO: (unordered)
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- use AVFrame for audio codecs too
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- rework aviobuf.c buffering strategy and fix url_fskip
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- generate optimal huffman tables for mjpeg encoding
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- fix ffserver regression tests
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- support xvids motion estimation
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- support x264s motion estimation
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- support x264s rate control
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- SNOW: non translational motion compensation
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- SNOW: more optimal quantization
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- SNOW: 4x4 block support
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- SNOW: 1/8 pel motion compensation support
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- SNOW: iterative motion estimation based on subsampled images
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- FLAC: lossy encoding (viterbi and naive scalar quantization)
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- libavfilter
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- JPEG2000 decoder & encoder
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- MPEG4 GMC encoding support
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- macroblock based pixel format (better cache locality, somewhat complex, one paper claimed it faster for high res)
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- finish NUT implementation
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- movenc.c fix stts so that variable framerate files work
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- seeking regression test
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- regression tests for codecs which dont have an encoder (I+P frame bitstream in svn)
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- add support for using mplayers video filters to ffmpeg
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- reverse engeneer RV30/RV40
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- finish implementation of WMV2 j-picture
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- H264 encoder
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- per MB ratecontrol (so VCD and such do work better)