[FFmpeg-cvslog] bitstream_filters: Correct dump_extradata description

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Tue Jun  4 15:41:05 2019 +0200| [d81913e680177bc46c482406fd257ac659c03899] | committer: Gyan Doshi

bitstream_filters: Correct dump_extradata description

The default is to dump extradata to keyframes, not all frames.
Also improve the description of the relevant AVOption.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d81913e680177bc46c482406fd257ac659c03899
---

 doc/bitstream_filters.texi      | 2 +-
 libavcodec/dump_extradata_bsf.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
index 25bbf8372b..40e8adad0f 100644
--- a/doc/bitstream_filters.texi
+++ b/doc/bitstream_filters.texi
@@ -120,7 +120,7 @@ add extradata to all packets
 @end table
 @end table
 
-If not specified it is assumed @samp{e}.
+If not specified it is assumed @samp{k}.
 
 For example the following @command{ffmpeg} command forces a global
 header (thus disabling individual packet headers) in the H.264 packets
diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c
index 188a1c619b..7112cd6bd4 100644
--- a/libavcodec/dump_extradata_bsf.c
+++ b/libavcodec/dump_extradata_bsf.c
@@ -81,7 +81,7 @@ fail:
 #define OFFSET(x) offsetof(DumpExtradataContext, x)
 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
 static const AVOption options[] = {
-    { "freq", "When do dump extradata", OFFSET(freq), AV_OPT_TYPE_INT,
+    { "freq", "When to dump extradata", OFFSET(freq), AV_OPT_TYPE_INT,
         { .i64 = DUMP_FREQ_KEYFRAME }, DUMP_FREQ_KEYFRAME, DUMP_FREQ_ALL, FLAGS, "freq" },
         { "k",        NULL, 0, AV_OPT_TYPE_CONST, { .i64 = DUMP_FREQ_KEYFRAME }, .flags = FLAGS, .unit = "freq" },
         { "keyframe", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = DUMP_FREQ_KEYFRAME }, .flags = FLAGS, .unit = "freq" },