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ffplay: extend documentation for the -vf option

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In particular, make it consistent with the ffmpeg docs.
This commit is contained in:
Stefano Sabatini 2013-01-13 15:23:15 +01:00
parent db4e0ecaf0
commit e8bab4c6fc
2 changed files with 9 additions and 4 deletions
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11
doc/ffplay.texi
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@ -74,10 +74,15 @@ You can interactively cycle through the available show modes by
pressing the key @key{w}.
@item -vf @var{filter_graph}
Create the filter graph specified by @var{filter_graph} and use it to
filter the video stream.
@var{filter_graph} is a description of the filter graph to apply to
the input video.
Use the option "-filters" to show all the available filters (including
also sources and sinks).
the stream, and must have a single video input and a single video
output. In the filter graph, the input is associated to the label
@code{in}, and the output to the label @code{out}. See the
ffmpeg-filters manual for more information about the filtergraph
syntax.
@item -i @var{input_file}
Read @var{input_file}.

2
ffplay.c
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@ -3241,7 +3241,7 @@ static const OptionDef options[] = {
{ "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
{ "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },
#if CONFIG_AVFILTER
{ "vf", OPT_STRING | HAS_ARG, { &vfilters }, "video filters", "filter list" },
{ "vf", OPT_STRING | HAS_ARG, { &vfilters }, "set video filters", "filter_graph" },
#endif
{ "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
{ "showmode", HAS_ARG, { .func_arg = opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },