diff options
| author | Fabrice Bellard <fabrice@bellard.org> | 2002-11-04 18:50:04 +0000 |
|---|---|---|
| committer | Fabrice Bellard <fabrice@bellard.org> | 2002-11-04 18:50:04 +0000 |
| commit | 7ff56c72b204e2b11ca90c7b2ef7575a63e5f6bc (patch) | |
| tree | bbe2a402f19fbbf75ffb31bd1f76e994e5080dbd /doc/faq.html | |
| parent | b0397e0e003a6c633ac0ea246d41d4d1dbef0299 (diff) | |
updated FAQ - converted it to texinfo
Originally committed as revision 1158 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc/faq.html')
| -rw-r--r-- | doc/faq.html | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/doc/faq.html b/doc/faq.html new file mode 100644 index 0000000000..6af28f01df --- /dev/null +++ b/doc/faq.html @@ -0,0 +1,139 @@ +<HTML> +<HEAD> +<!-- Created by texi2html 1.56k from faq.texi on 4 November 2002 --> + +<TITLE>FFmpeg FAQ</TITLE> +</HEAD> +<BODY> +<H1>FFmpeg FAQ</H1> +<P> +<P><HR><P> +<H1>Table of Contents</H1> +<UL> +<LI><A NAME="TOC1" HREF="faq.html#SEC1">1. General Problems</A> +<UL> +<LI><A NAME="TOC2" HREF="faq.html#SEC2">1.1 ffserver doesn't not work.</A> +<LI><A NAME="TOC3" HREF="faq.html#SEC3">1.2 I cannot read this file although this format seems to be suppored by ffmpeg.</A> +<LI><A NAME="TOC4" HREF="faq.html#SEC4">1.3 I get audio/video synchro problems when grabbing.</A> +<LI><A NAME="TOC5" HREF="faq.html#SEC5">1.4 How do I encode jpegs to another format ?</A> +<LI><A NAME="TOC6" HREF="faq.html#SEC6">1.5 FFmpeg does not support codec XXX. Can you include a Windows DLL loader to support it ?</A> +</UL> +<LI><A NAME="TOC7" HREF="faq.html#SEC7">2. Development</A> +<UL> +<LI><A NAME="TOC8" HREF="faq.html#SEC8">2.1 Can you support my C compiler XXX ?</A> +<LI><A NAME="TOC9" HREF="faq.html#SEC9">2.2 I want to use ffmpeg or libavcodec under Windows. Can you support my proprietary C compiler XXX ?</A> +<LI><A NAME="TOC10" HREF="faq.html#SEC10">2.3 Can you add automake, libtool or autoconf support ?</A> +</UL> +</UL> +<P><HR><P> + +<P> +FFmpeg FAQ + + + + +<H1><A NAME="SEC1" HREF="faq.html#TOC1">1. General Problems</A></H1> + + + +<H2><A NAME="SEC2" HREF="faq.html#TOC2">1.1 ffserver doesn't not work.</A></H2> + +<P> +ffmpeg development is now concentrated on the codec and format +handling. New developments broke ffserver, so don't expect it to work +correctly. It is planned to fix it ASAP. + + + + +<H2><A NAME="SEC3" HREF="faq.html#TOC3">1.2 I cannot read this file although this format seems to be suppored by ffmpeg.</A></H2> + +<P> +Even if ffmpeg can read the file format, it may not support all its +codecs. Please consult the supported codec list in the ffmpeg +documentation. + + + + +<H2><A NAME="SEC4" HREF="faq.html#TOC4">1.3 I get audio/video synchro problems when grabbing.</A></H2> + +<P> +Currently, the grabbing stuff does not handle synchronisation +correctly. You are free to correct it. It is planned to fix it ASAP. + + + + +<H2><A NAME="SEC5" HREF="faq.html#TOC5">1.4 How do I encode jpegs to another format ?</A></H2> + +<P> +If the jpegs are named img1.jpg, img2.jpg, img3.jpg,..., use: + + + +<PRE> + ffmpeg -i img%d.jpg /tmp/a.mpg +</PRE> + +<P> +<SAMP>`%d'</SAMP> is replaced by the image number. + + +<P> +<TT>`img%03d.jpg'</TT> generates <TT>`img001.jpg'</TT>, <TT>`img002.jpg'</TT>, etc... + + +<P> +The same system is used for the other image formats. + + + + +<H2><A NAME="SEC6" HREF="faq.html#TOC6">1.5 FFmpeg does not support codec XXX. Can you include a Windows DLL loader to support it ?</A></H2> + +<P> +No. FFmpeg only supports open source codecs. Windows DLLs are not +portable, bloated and often slow. + + + + +<H1><A NAME="SEC7" HREF="faq.html#TOC7">2. Development</A></H1> + + + +<H2><A NAME="SEC8" HREF="faq.html#TOC8">2.1 Can you support my C compiler XXX ?</A></H2> + +<P> +No. Only GCC is supported. GCC is ported on most systems available and I +don't see the need to pollute the source code with <CODE>#ifdef</CODE>s +related to the compiler. + + + + +<H2><A NAME="SEC9" HREF="faq.html#TOC9">2.2 I want to use ffmpeg or libavcodec under Windows. Can you support my proprietary C compiler XXX ?</A></H2> + +<P> +No. Use <CODE>mingw-gcc</CODE> available at <A HREF="http://www.mingw.org/">http://www.mingw.org/</A> to +compile the code. It generates object files fully compatible with other +windows compilers. + + + + +<H2><A NAME="SEC10" HREF="faq.html#TOC10">2.3 Can you add automake, libtool or autoconf support ?</A></H2> + +<P> +No. These tools are too blowted and they complicate the build. Moreover, +since only <SAMP>`gcc'</SAMP> is supported they would add little advantages in +terms of portability. + + +<P><HR><P> +This document was generated on 4 November 2002 using +<A HREF="http://wwwinfo.cern.ch/dis/texi2html/">texi2html</A> 1.56k. +</BODY> +</HTML> |