[FFmpeg-devel] [PATCH] Improve documentation and error reporting for the -pass option
Víctor Paesa
wzrlpy
Sun Nov 30 11:32:10 CET 2008
Hi,
> --- doc/ffmpeg-doc.texi (revision 15955)
> +++ doc/ffmpeg-doc.texi (working copy)
> @@ -443,6 +443,9 @@
> encoding. The statistics of the video are recorded in the first
> pass and the video is generated at the exact requested bitrate
> in the second pass.
> +Statistics are collected into a log file (see also the option
> +-passlogfile) which is written during the first pass, and read during
> +the second pass.
> On pass 1, you may just deactivate audio and set output to null,
> examples for Windows and Unix:
> @example
> @@ -451,7 +454,9 @@
> @end example
Maybe a bit redundant with previous paragraph.
What about:
encoding. The statistics of the video are recorded in the first
-pass and the video is generated at the exact requested bitrate
-in the second pass.
+pass into a log file (see also the option -passlogfile),
+and in the second pass that log file is read to generate the video
+at the exact requested bitrate.
On pass 1, you may just deactivate audio and set output to null,
examples for Windows and Unix:
Regards,
V?ctor
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