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author | Diego Biurrun <diego@biurrun.de> | 2008-06-06 07:51:36 +0000 |
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committer | Diego Biurrun <diego@biurrun.de> | 2008-06-06 07:51:36 +0000 |
commit | 831ec93567029c46ddd21e2b71838f4ebb768074 (patch) | |
tree | 355ac7386d6d2bbdf637a8fbbd83fd4369b1b247 /doc/faq.texi | |
parent | 890f6fd3ecf88954847447b7dfe458b8793217d1 (diff) | |
download | ffmpeg-831ec93567029c46ddd21e2b71838f4ebb768074.tar.gz |
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.texi | 28 |
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. |