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Run documentation through ispell, plus some minor fixes.

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Originally committed as revision 13670 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun
2008-06-06 07:51:36 +00:00
parent 890f6fd3ec
commit 831ec93567
5 changed files with 33 additions and 31 deletions
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28
doc/faq.texi
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@@ -38,7 +38,7 @@ No. Windows DLLs are not portable, bloated and often slow.
Moreover FFmpeg strives to support all codecs natively.
A DLL loader is not conducive to that goal.
@section My bugreport/mail to ffmpeg-devel/user has not received any replies.
@section My bug report/mail to ffmpeg-devel/user has not received any replies.
Likely reasons
@itemize
@@ -69,7 +69,7 @@ documentation.
@section Which codecs are supported by Windows?
Windows does not support standard formats like MPEG very well, unless you
install some additional codecs
install some additional codecs.
The following list of video codecs should work on most Windows systems:
@table @option
@@ -82,7 +82,7 @@ The following list of video codecs should work on most Windows systems:
@item wmv2
.asf only
@item mpeg4
only if you have some MPEG-4 codec installed like ffdshow or Xvid
Only if you have some MPEG-4 codec like ffdshow or Xvid installed.
@item mpeg1
.mpg only
@end table
@@ -96,8 +96,9 @@ The following list of audio codecs should work on most Windows systems:
@item adpcm_ima_wav
@item adpcm_ms
@item pcm
always
@item mp3
if some MP3 codec like LAME is installed
If some MP3 codec like LAME is installed.
@end table
@@ -111,12 +112,12 @@ the gcc developers. Note that we will not add workarounds for gcc bugs.
@chapter Usage
@section ffmpeg does not work; What is wrong?
@section ffmpeg does not work; what is wrong?
Try a @code{make distclean} in the ffmpeg source directory before the build. If this does not help see
(@url{http://ffmpeg.org/bugreports.html}).
@section How do I encode single pictures to movies?
@section How do I encode single pictures into movies?
First, rename your pictures to follow a numerical sequence.
For example, img1.jpg, img2.jpg, img3.jpg,...
@@ -160,7 +161,8 @@ Beware that there is no "jpeg" codec. Use "mjpeg" instead.
@section I get "Unsupported codec (id=86043) for input stream #0.1". What is the problem?
This is the Qcelp codec, FFmpeg has no support for that codec currently. Try mencoder/mplayer it might work.
This is the Qcelp codec, FFmpeg has no support for that codec currently.
Try MEncoder/MPlayer, it might work.
@section Why do I see a slight quality degradation with multithreaded MPEG* encoding?
@@ -170,7 +172,7 @@ quite logical that there is a small reduction of quality. This is not a bug.
@section How can I read from the standard input or write to the standard output?
Use @file{-} as filename.
Use @file{-} as file name.
@section Why does FFmpeg not decode audio in VOB files?
@@ -206,7 +208,7 @@ Choose a different codec with the -vcodec command line option.
Both Xvid and DivX (version 4+) are implementations of the ISO MPEG-4
standard (note that there are many other coding formats that use this
same standard). Thus, use '-vcodec mpeg4' to encode these formats. The
same standard). Thus, use '-vcodec mpeg4' to encode in these formats. The
default fourcc stored in an MPEG-4-coded file will be 'FMP4'. If you want
a different fourcc, use the '-vtag' option. E.g., '-vtag xvid' will
force the fourcc 'xvid' to be stored as the video fourcc rather than the
@@ -362,7 +364,7 @@ examining all of the vbv_delay values and making complicated computations."
Yes. Read the Developers Guide of the FFmpeg documentation. Alternatively,
examine the source code for one of the many open source projects that
already incorporate ffmpeg at (@url{projects.html}).
already incorporate FFmpeg at (@url{projects.html}).
@section Can you support my C compiler XXX?
@@ -404,7 +406,7 @@ No. These tools are too bloated and they complicate the build.
@section Why not rewrite ffmpeg in object-oriented C++?
ffmpeg is already organized in a highly modular manner and does not need to
FFmpeg is already organized in a highly modular manner and does not need to
be rewritten in a formal object language. Further, many of the developers
favor straight C; it works for them. For more arguments on this matter,
read "Programming Religion" at (@url{http://www.tux.org/lkml/#s15}).
@@ -412,14 +414,14 @@ read "Programming Religion" at (@url{http://www.tux.org/lkml/#s15}).
@section Why are the ffmpeg programs devoid of debugging symbols?
The build process creates ffmpeg_g, ffplay_g, etc. which contain full debug
information. Those binaries are strip'd to create ffmpeg, ffplay, etc. If
information. Those binaries are stripped to create ffmpeg, ffplay, etc. If
you need the debug information, used the *_g versions.
@section I do not like the LGPL, can I contribute code under the GPL instead?
Yes, as long as the code is optional and can easily and cleanly be placed
under #ifdef CONFIG_GPL without breaking anything. So for example a new codec
or filter would be OK under GPL while a bugfix to LGPL code would not.
or filter would be OK under GPL while a bug fix to LGPL code would not.
@section I want to compile xyz.c alone but my compiler produced many errors.