X-Git-Url: https://git.videolan.org/?p=ffmpeg.git;a=blobdiff_plain;f=doc%2Ffaq.texi;h=8e8198d85153898572f7ac53f2aa5331fe1236b0;hp=1adc4341f8786b85fcd8d425d9f15c7a96f14b33;hb=988a9f9e3a47e2b9b6459ad8d982e43bfeae52d1;hpb=7ff56c72b204e2b11ca90c7b2ef7575a63e5f6bc diff --git a/doc/faq.texi b/doc/faq.texi index 1adc4341f8..8e8198d851 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -46,19 +46,35 @@ The same system is used for the other image formats. No. FFmpeg only supports open source codecs. Windows DLLs are not portable, bloated and often slow. +@section How can I read from the standard input or write to the standard output ? + +Use @file{-} as filename. + +@section Why Audio is not decoded in VOB files ? + +AC3 decoding is optional as the codec is currently released under the +GPL. Enable it with @code{./configure --enable-a52}. Take care: by +enabling AC3, you automatically change the license of libavcodec from +LGPL to GPL. + @chapter Development +@section Are there examples of use of the FFmpeg libraries libavcodec and libavformat ? + +Yes. Read the Developers Guide of the FFmpeg documentation. + @section Can you support my C compiler XXX ? 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}s related to the compiler. -@section I want to use ffmpeg or libavcodec under Windows. Can you support my proprietary C compiler XXX ? +@section Can I use FFmpeg or libavcodec under Windows ? -No. Use @code{mingw-gcc} available at @url{http://www.mingw.org/} to -compile the code. It generates object files fully compatible with other -windows compilers. +Yes, but the MinGW tools @emph{must} be used to compile FFmpeg. You +can link the resulting DLLs with any other Windows program. Read the +@emph{Native Windows Compilation} section in the FFmpeg documentation +to have more information. @section Can you add automake, libtool or autoconf support ?