Update dump_extra bit stream filter docs to follow current
code implement.
Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Reviewed-by: Steven Liu <lq@onvideo.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Add extradata to the beginning of the filtered packets.
+@table @option
+@item freq
The additional argument specifies which packets should be filtered.
It accepts the values:
@table @samp
-@item a
-add extradata to all key packets, but only if @var{local_header} is
-set in the @option{flags2} codec context field
-
@item k
+@item keyframe
add extradata to all key packets
@item e
+@item all
add extradata to all packets
@end table
+@end table
-If not specified it is assumed @samp{k}.
+If not specified it is assumed @samp{e}.
For example the following @command{ffmpeg} command forces a global
header (thus disabling individual packet headers) in the H.264 packets