文件列表:

mjpegtools-1.6.3-rc1\lavtools\yuvmedianfilter.c (19095, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\yuvplay.c (8698, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lav2wav.c (11186, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\editlist.c (15113, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\pnmtoy4m.c (28347, 2005-02-12)
mjpegtools-1.6.3-rc1\lavtools\ppmtoy4m.c (18446, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\y4mtopnm.c (12694, 2004-12-20)
mjpegtools-1.6.3-rc1\lavtools\editlist.h (2157, 2004-12-10)
mjpegtools-1.6.3-rc1\lavtools\subsample.h (1140, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\yuv2lav.c (15109, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\yuvscaler_bicubic.c (31866, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\frequencies.h (4587, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\y4mstabilizer.c (21489, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\multiblend.flt.c (10494, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\Makefile.in (112622, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\jpegutils.c (36519, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\lav_io.c (35275, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lavrec.c (38275, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\lav_io.h (3357, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\pipelist.c (6380, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lavinfo.c (2777, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lavaddwav.c (32257, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\colorspace.h (1105, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lav_common.h (3038, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\liblavrec.c (83943, 2004-12-10)
mjpegtools-1.6.3-rc1\lavtools\y4mshift.c (12694, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\glav_main.c (20383, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\avilib.h (7015, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\yuvcorrect.h (4859, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\y4mblack.c (5244, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\yuvfps.c (9281, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\y4mspatialfilter.c (14700, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\yuvscaler.c (75070, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\audiolib.c (29972, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\lavpipe.c (19983, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\lavvideo.c (10111, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\y4mtoppm.c (8483, 2004-09-21)
mjpegtools-1.6.3-rc1\lavtools\liblavrec.h (6627, 2004-12-10)
mjpegtools-1.6.3-rc1\lavtools\frequencies.c (21993, 2005-05-24)
mjpegtools-1.6.3-rc1\lavtools\jpeg2yuv.c (16388, 2005-05-24)
... ...

Documentation Files =================== INSTALL - How to install this package Prerequisites ============= jpeg-mmx (optional): Acts as a local replacement (not system-wide !) for libjpeg and allows it to decode JPEGs with Intels MMX instructions. Compilation is somewhat complicated, and won't work on any other platforms than Linux/Intel ! Other libraries are possible, more to be documented... lavtools: Linux Audio and Video TOOLS for Motion JPEG and MPEG ============================================================== Programs for MJPEG recording and playback and simple cut-and-paste editting and MPEG compression of audio and video under Linux. N.b. Only the "lav" programs have been written whooly from scratch. The rest are from diverse open source originals, modified to work with the lav tools edit lists and AVI and quicktime files. Some (especially the MPEG tools) have had also more major perfomance and functionality enhancements. * The lavtools, xlav and utils directories The latest and greatest versions of Rainer Johanni's original lavtools. Plus some extra goodies to link them to the MPEG compression tools. - "lavrec" is a program to record AVI and Quicktime MJPEG files with the Iomega BUZ etc including sound recording from the soundcard. - "lavplay" plays back AVI and Quicktime MJPEG files or "xlav" produced edit files with the Iomega BUZ etc (including sound). - "xlav" in the directory xlav is a GUI for lavplay which permits fast forward/reverse, single frame stepping and simple non-destructive editing. Instead of writing new AVI or Quicktime files xlav creates an "edit list" file with pointers to the relevant bits of the original files. The lav tools and MPEG encoding tools can all work directly with these files as well as Quicktime and AVI files. Since these files have simple plain-text format they can easily be manually editted or use for other tools. - "lavtrans" (in directory utils) converts a mixture of AVI files, Quicktime files or Edit Lists into a single AVI or Quicktime file into single images or into WAV files. - "lavaddwav" (in directory utils) lets you add another soundtrack (a WAV file) to an AVI/Quicktime file - "lavvideo" is a small test application for the video overlay capabilities of your V4L hardware device. - "lav2yuv" decodes AVI and Quicktime MJPEG and edit lists video and outputs it to standard out the simple raw YUV video format expected by the MPEG compressor "mpeg2enc" (see below). - "lav2wav" decodes AVI and Quicktime MJPEG and edit lists video and outputs it to standard out the WAV format expected by the MPEG layer 2 audio compressor "mp2enc" (see below. If you output to a pipe it simply sticks a maxium length in the header. Most programs processing streams will work fine with this, ending cleanly when they reach the actual end. - "lav2dfilter". A median filter for noise reduction. Useful when MPEG encoding TV material. - "v4l-conf" is used in X to set up your video framebuffer address - "yuv2lav", "ypipe" and "transist.flt" for (first decode an mjpeg input file into raw yuv data (lav2yuv)) putting the data of more than one yuv stream together (ypipe), making a transition between the two input streams (transist.flt) and for making an mjpeg file out of the resulting yuv data (yuv2lav). Read README.transist for more info on how to use this. * The scripts directory Turning a video stream captured as MJPEG AVI's or Quicktime files using a capture card into MPEG or transcoding a MPEG-2 file involves several steps and multiple programs. This directory contains several useful shell scripts that automagically do the right thing for common encoding tasks. They're also intended as examples of typical uses. * The mpeg2enc directory - "mpeg2enc" for encoding the output of lav2yuv or suitable output plugins in mpeg2dec to MPEG-1/2 video streams. See the README for further details. In the current beta release MPEG-2 is untested and variable bit-rate probably won't work. HOWEVER: speed and quality for MPEG-1 are really rather good. Encoding 352x288 PAL at 18 fps on a 700Mhz Duron or 11ps on a 450Mhz P-III. * The aenc directory - Contains the source files for "mp2enc" the MPEG-1 layer 2 audio compressor. It is not particularly good as encoders go, but is included for simplicity and completeness. It also has the virtue that for transcoding applications (e.g. AC3 to mp2) it can do sampling rate conversions. You need this to compress audio. In general, however, you'd be better off with the faster and more capable "toolame" encoder. For transcoding applications the good old stand-by "sox" will convert sampling rates very nicely (albeit it'll print a few warnings about incorrect headers if you use it in a pipeline). You may wish to try using your favourite MPEG 1 layer 3 "MP3" encoder for better quality results. However, make sure you use constant bit-rate and turn of any extensions to the format. I have no idea how many players actually cope with layer 3. Drop andrew.stevens@nexgo.de an email if you get it to work! * The mplex directory Contains for the source files the "mplex" multiplexer. This multiplexes (interleaves) MPEG-1/2 video and audio streams into a combined "system stream" that can be played back smoothly. This is *not* quite as trivial a task as it might seem (see the original authors paper on the subject - copy is in the documentation). Note that the program has been pretty heavily modified since then. MPEG-2 multiplexing is implemented but is currently untested. DVD VOB multiplexing (AC3 audio in addition to MPEG) is not implemented. See the README's of the various programs for further details of authorship, usage, and implementation/compilation details. Attention: lavplay is mainly intended to play back files created by lavrec and should also be able to play back MJPEG AVI files created from the Iomega BUZ under Win*** or the xawtv capture tool under linux. The vast majority of AVI/Quicktime files will not be played by lavplay!!! (see http://dix.euro.ru for such codecs) The reason is that lavplay only handles AVI that use an MJPG codec, all other files don't use that codec and can therefore not be played back by the BUZ. * Contact You reach us by email. If you have questions, remarks, problems or you just want to contact the developers, the main mailing list for the MJPEG-tools is: mjpeg-users@lists.sourceforge.net Although little bits have been done by everyone the main work was roughly as follows: lav* : Rainer@Johanni.de and Gernot Ziegler mpeg2enc mplex : Andrew.Stevens@nexgo.de libmjpeg: Gernot Ziegler

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