diff options
| author | Keyun Tong <ktong@fb.com> | 2021-06-20 21:42:29 +0200 |
|---|---|---|
| committer | Thilo Borgmann <thilo.borgmann@mail.de> | 2021-07-16 09:50:19 +0200 |
| commit | b7266302a40ba48fea7a5644f08623159b3dcac7 (patch) | |
| tree | 20f3f62082c0ac96e44b5c74163732e12d5f24e3 /doc | |
| parent | b7e350af3e8eaeb4825646a4bcef7fa051bd0a73 (diff) | |
fftools/ffmpeg: Add new variant source_no_drop to the force_key_frames option
Suggested-By: ffmpeg@fb.com
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ffmpeg.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index b27b9fe2c4..dad21c6ae6 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1011,6 +1011,7 @@ Deprecated see -bsf @item -force_key_frames[:@var{stream_specifier}] @var{time}[,@var{time}...] (@emph{output,per-stream}) @item -force_key_frames[:@var{stream_specifier}] expr:@var{expr} (@emph{output,per-stream}) @item -force_key_frames[:@var{stream_specifier}] source (@emph{output,per-stream}) +@item -force_key_frames[:@var{stream_specifier}] source_no_drop (@emph{output,per-stream}) @var{force_key_frames} can take arguments of the following form: @@ -1072,6 +1073,12 @@ starting from second 13: If the argument is @code{source}, ffmpeg will force a key frame if the current frame being encoded is marked as a key frame in its source. +@item source_no_drop +If the argument is @code{source_no_drop}, ffmpeg will force a key frame if +the current frame being encoded is marked as a key frame in its source. +In cases where this particular source frame has to be dropped, +enforce the next available frame to become a key frame instead. + @end table Note that forcing too many keyframes is very harmful for the lookahead |