hwcontext_vaapi: add a quirk for the missing MemoryType attribute

[ffmpeg] / doc / ffmpeg.texi

diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index 5255d2d376f60da66e646380dd0a65cbe03bd98c..fd8a0c1e598e464efd8a6de1186611f6e5ad2f1a 100644 (file)
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -415,6 +415,11 @@ This option is similar to @option{-filter}, the only difference is that its
 argument is the name of the file from which a filtergraph description is to be
 read.
 
+@item -filter_threads @var{nb_threads} (@emph{global})
+Defines how many threads are used to process a filter pipeline. Each pipeline
+will produce a thread pool with this many threads available for parallel processing.
+The default is the number of available CPUs.
+
 @item -pre[:@var{stream_specifier}] @var{preset_name} (@emph{output,per-stream})
 Specify the preset for matching stream(s).
 
@@ -1008,7 +1013,7 @@ Dump each input packet to stderr.
 @item -hex (@emph{global})
 When dumping packets, also dump the payload.
 @item -re (@emph{input})
-Read input at native frame rate. Mainly used to simulate a grab device.
+Read input at native frame rate. Mainly used to simulate a grab device,
 or live input stream (e.g. when reading from a file). Should not be used
 with actual grab devices or live input streams (where it can cause packet
 loss).
@@ -1201,6 +1206,11 @@ To generate 5 seconds of pure red video using lavfi @code{color} source:
 ffmpeg -filter_complex 'color=c=red' -t 5 out.mkv
 @end example
 
+@item -filter_complex_threads @var{nb_threads} (@emph{global})
+Defines how many threads are used to process a filter_complex graph.
+Similar to filter_threads but used for @code{-filter_complex} graphs only.
+The default is the number of available CPUs.
+
 @item -lavfi @var{filtergraph} (@emph{global})
 Define a complex filtergraph, i.e. one with arbitrary number of inputs and/or
 outputs. Equivalent to @option{-filter_complex}.
@@ -1279,6 +1289,15 @@ No packets were passed to the muxer, the output is empty.
 @item -xerror (@emph{global})
 Stop and exit on error
 
+@item -max_muxing_queue_size @var{packets} (@emph{output,per-stream})
+When transcoding audio and/or video streams, ffmpeg will not begin writing into
+the output until it has one packet for each such stream. While waiting for that
+to happen, packets for other streams are buffered. This option sets the size of
+this buffer, in packets, for the matching output stream.
+
+The default value of this option should be high enough for most uses, so only
+touch this option if you are sure that you need it.
+
 @end table
 
 As a special exception, you can use a bitmap subtitle stream as input: it