[FFmpeg-cvslog] lavfi: fix typos

[Moritz Barsnick]

ffmpeg | branch: release/3.1 | Moritz Barsnick <barsnick at gmx.net> | Sun Oct  9 12:57:00 2016 +0200| [f12c0da09b04dc8897a6856a34c1d4d58fbf025f] | committer: Michael Niedermayer

lavfi: fix typos

Signed-off-by: Moritz Barsnick <barsnick at gmx.net>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit f4e4bde1f4cff99d4ec59ed361ff9228b2050e6b)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f12c0da09b04dc8897a6856a34c1d4d58fbf025f
---

 libavfilter/af_pan.c        | 4 ++--
 libavfilter/vf_blackframe.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index 1eb102c..7c02f67 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -109,7 +109,7 @@ static av_cold int init(AVFilterContext *ctx)
     if (!pan->args) {
         av_log(ctx, AV_LOG_ERROR,
                "pan filter needs a channel layout and a set "
-               "of channels definitions as parameter\n");
+               "of channel definitions as parameter\n");
         return AVERROR(EINVAL);
     }
     if (!args)
@@ -276,7 +276,7 @@ static int config_props(AVFilterLink *link)
     if (link->channels > MAX_CHANNELS ||
         pan->nb_output_channels > MAX_CHANNELS) {
         av_log(ctx, AV_LOG_ERROR,
-               "af_pan support a maximum of %d channels. "
+               "af_pan supports a maximum of %d channels. "
                "Feel free to ask for a higher limit.\n", MAX_CHANNELS);
         return AVERROR_PATCHWELCOME;
     }
diff --git a/libavfilter/vf_blackframe.c b/libavfilter/vf_blackframe.c
index ad6d488..9fe2a42 100644
--- a/libavfilter/vf_blackframe.c
+++ b/libavfilter/vf_blackframe.c
@@ -104,8 +104,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
 #define OFFSET(x) offsetof(BlackFrameContext, x)
 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 static const AVOption blackframe_options[] = {
-    { "amount", "Percentage of the pixels that have to be below the threshold "
-        "for the frame to be considered black.", OFFSET(bamount), AV_OPT_TYPE_INT, { .i64 = 98 }, 0, 100,     FLAGS },
+    { "amount", "percentage of the pixels that have to be below the threshold "
+        "for the frame to be considered black",  OFFSET(bamount), AV_OPT_TYPE_INT, { .i64 = 98 }, 0, 100,     FLAGS },
     { "threshold", "threshold below which a pixel value is considered black",
                                                  OFFSET(bthresh), AV_OPT_TYPE_INT, { .i64 = 32 }, 0, 255,     FLAGS },
     { "thresh", "threshold below which a pixel value is considered black",