fix various typos

Signed-off-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

5 files changed, 7 insertions, 7 deletions

diff --git a/libavfilter/buffersrc.h b/libavfilter/buffersrc.h
index 5d124337b5..ea34c04ee9 100644
--- a/libavfilter/buffersrc.h
+++ b/libavfilter/buffersrc.h
@@ -138,7 +138,7 @@ int av_buffersrc_add_frame(AVFilterContext *ctx, AVFrame *frame);
  * Add a frame to the buffer source.
  *
  * By default, if the frame is reference-counted, this function will take
- * ownership of the reference(s) and reset the frame. This can be controled
+ * ownership of the reference(s) and reset the frame. This can be controlled
  * using the flags.
  *
  * If this function returns an error, the input frame is not touched.
diff --git a/libavfilter/libmpcodecs/vf.h b/libavfilter/libmpcodecs/vf.h
index 0d26296f2e..d8fc66be47 100644
--- a/libavfilter/libmpcodecs/vf.h
+++ b/libavfilter/libmpcodecs/vf.h
@@ -103,7 +103,7 @@ typedef struct vf_seteq_s
 #define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
 #define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
 #define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
-#define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
+#define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes through */
 #define VFCTRL_FLUSH_FRAMES    13 /* For encoding - flush delayed frames */
 #define VFCTRL_SCREENSHOT      14 /* Make a screenshot */
 #define VFCTRL_INIT_EOSD       15 /* Select EOSD renderer */
diff --git a/libavfilter/libmpcodecs/vf_fspp.c b/libavfilter/libmpcodecs/vf_fspp.c
index 6a0f976b67..e1b26bc625 100644
--- a/libavfilter/libmpcodecs/vf_fspp.c
+++ b/libavfilter/libmpcodecs/vf_fspp.c
@@ -24,7 +24,7 @@
  * "Aria Nosratinia Embedded Post-Processing for
  * Enhancement of Compressed Images (1999)"
  * (http://citeseer.nj.nec.com/nosratinia99embedded.html)
- * Futher, with splitting (i)dct into hor/ver passes, one of them can be
+ * Further, with splitting (i)dct into hor/ver passes, one of them can be
  * performed once per block, not pixel. This allows for much better speed.
  */
 
diff --git a/libavfilter/vf_mp.c b/libavfilter/vf_mp.c
index 2c145ab856..9f0fbf6419 100644
--- a/libavfilter/vf_mp.c
+++ b/libavfilter/vf_mp.c
@@ -210,7 +210,7 @@ int ff_mp_msg_test(int mod, int lev){
 
 void ff_init_avcodec(void)
 {
-    //we maybe should init but its kinda 1. unneeded 2. a bit inpolite from here
+    //we maybe should init but its kinda 1. unneeded 2. a bit impolite from here
 }
 
 //Exact copy of vf.c
diff --git a/libavfilter/vf_smartblur.c b/libavfilter/vf_smartblur.c
index 114ac6f6da..b09ec90ec0 100644
--- a/libavfilter/vf_smartblur.c
+++ b/libavfilter/vf_smartblur.c
@@ -201,7 +201,7 @@ static void blur(uint8_t       *dst, const int dst_linesize,
                     if (diff > 2 * threshold)
                         dst[x + y * dst_linesize] = orig;
                     else if (diff > threshold)
-                        /* add 'diff' and substract 'threshold' from 'filtered' */
+                        /* add 'diff' and subtract 'threshold' from 'filtered' */
                         dst[x + y * dst_linesize] = orig - threshold;
                 } else {
                     if (-diff > 2 * threshold)
@@ -223,13 +223,13 @@ static void blur(uint8_t       *dst, const int dst_linesize,
                     if (diff <= -threshold)
                         dst[x + y * dst_linesize] = orig;
                     else if (diff <= -2 * threshold)
-                        /* substract 'diff' and 'threshold' from 'orig' */
+                        /* subtract 'diff' and 'threshold' from 'orig' */
                         dst[x + y * dst_linesize] = filtered - threshold;
                 } else {
                     if (diff >= threshold)
                         dst[x + y * dst_linesize] = orig;
                     else if (diff >= 2 * threshold)
-                        /* add 'threshold' and substract 'diff' from 'orig' */
+                        /* add 'threshold' and subtract 'diff' from 'orig' */
                         dst[x + y * dst_linesize] = filtered + threshold;
                 }
             }