diff options
| author | Marton Balint <cus@passwd.hu> | 2020-07-04 23:43:12 +0200 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2020-07-29 23:10:12 +0200 |
| commit | 53a4620fbae20b640d7fd75a64a6d3ff6dcc8b43 (patch) | |
| tree | 59e21ad899a8dc19325f2d58bf805b64a9b97333 /doc | |
| parent | 6ceaeecaf562020f25beab0614157fb2dae32391 (diff) | |
fftools/ffmpeg: make specifying thread_queue_size turn on threaded input
Threaded input can increase smoothness of e.g. x11grab significantly. Before
this patch, in order to activate threaded input the user had to specify a
"dummy" additional input, with this change it is no longer required.
Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ffmpeg.texi | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 70b8965d7f..267ddfe8b5 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1689,8 +1689,9 @@ not start from timestamp 0, such as transport streams. @item -thread_queue_size @var{size} (@emph{input}) This option sets the maximum number of queued packets when reading from the file or device. With low latency / high rate live streams, packets may be -discarded if they are not read in a timely manner; raising this value can -avoid it. +discarded if they are not read in a timely manner; setting this value can +force ffmpeg to use a separate input thread and read packets as soon as they +arrive. By default ffmpeg only do this if multiple inputs are specified. @item -sdp_file @var{file} (@emph{global}) Print sdp information for an output stream to @var{file}. |