[FFmpeg-cvslog] Fix a few "its" vs "it's" typo.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Thu Feb 14 23:45:48 2013 +0100| [d5ce725cb32ba932cdede102f246d060460786cb] | committer: Clément Bœsch

Fix a few "its" vs "it's" typo.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d5ce725cb32ba932cdede102f246d060460786cb
---

 doc/ffserver.texi      |    2 +-
 doc/swresample.txt     |    4 ++--
 libavcodec/snow.c      |    2 +-
 libavformat/avformat.h |    2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/ffserver.texi b/doc/ffserver.texi
index 9a09005..f6cbfa7 100644
--- a/doc/ffserver.texi
+++ b/doc/ffserver.texi
@@ -221,7 +221,7 @@ of an infinite movie or a whole movie.
 
 FFM is version specific, and there is limited compatibility of FFM files
 generated by one version of ffmpeg/ffserver and another version of
-ffmpeg/ffserver. It may work but its not guaranteed to work.
+ffmpeg/ffserver. It may work but it is not guaranteed to work.
 
 FFM2 is extensible while maintaining compatibility and should work between
 differing versions of tools. FFM2 is the default.
diff --git a/doc/swresample.txt b/doc/swresample.txt
index 7904147..2d192a3 100644
--- a/doc/swresample.txt
+++ b/doc/swresample.txt
@@ -32,9 +32,9 @@ Special Converter         v
                         Output
 
 Planar/Packed conversion is done when needed during sample format conversion.
-Every step can be skipped without memcpy when its not needed.
+Every step can be skipped without memcpy when it is not needed.
 Either Resampling and Rematrixing can be performed first depending on which
-way its faster.
+way it is faster.
 The Buffers are needed for resampling due to resamplng being a process that
 requires future and past data, it thus also introduces inevitably a delay when
 used.
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 7a5c1c0..b2c6714 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -398,7 +398,7 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
     int i, j;
 
     s->avctx= avctx;
-    s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe
+    s->max_ref_frames=1; //just make sure it's not an invalid value in case of no initial keyframe
 
     ff_dsputil_init(&s->dsp, avctx);
     ff_videodsp_init(&s->vdsp, 8);
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 03fca57..c2bd849 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -844,7 +844,7 @@ typedef struct AVStream {
 
     /**
      * Number of internally decoded frames, used internally in libavformat, do not access
-     * its lifetime differs from info which is why its not in that structure.
+     * its lifetime differs from info which is why it is not in that structure.
      */
     int nb_decoded_frames;