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authorDiego Biurrun <diego@biurrun.de>2008-06-06 07:51:36 +0000
committerDiego Biurrun <diego@biurrun.de>2008-06-06 07:51:36 +0000
commit831ec93567029c46ddd21e2b71838f4ebb768074 (patch)
tree355ac7386d6d2bbdf637a8fbbd83fd4369b1b247 /doc/faq.texi
parent890f6fd3ecf88954847447b7dfe458b8793217d1 (diff)
Run documentation through ispell, plus some minor fixes.
Originally committed as revision 13670 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc/faq.texi')
-rw-r--r--doc/faq.texi28
1 files changed, 15 insertions, 13 deletions
diff --git a/doc/faq.texi b/doc/faq.texi
index a7222b8998..725cf34e32 100644
--- a/doc/faq.texi
+++ b/doc/faq.texi
@@ -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.