cosmetics: typo fixes, usefuLL --> useful and aswell --> as well

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22307 b3059339-0415-0410-9bf9-f77b7e298cf2

DOCS/tech/general.txt

@@ -81,7 +81,7 @@ The main modules:
      Then it calculates duration, either from fixed FPS value, or from the
      PTS difference between and after reading the frame.
 
-2.e. other utility functions: there are some usefull code there, like
+2.e. other utility functions: there are some useful code there, like
     AVI muxer, or mp3 header parser, but leave them for now.
 
 So everything is ok 'till now. It can be found in libmpdemux/ library.

DOCS/tech/libvo.txt

@@ -90,7 +90,7 @@ Each vo driver _has_ to implement these:
       window size and position. The code should look as following:
       ---
       set x,y,w,h to the values supplied by the caller or to those you deam
-      usefull.
+      useful.
       call geometry(&x, &y, &w, &h, screenw, screenh)
       call aspect()
       ---
@@ -114,7 +114,7 @@ Each vo driver _has_ to implement these:
 	 draw_alpha() for each. As a help, osd.c contains draw_alpha for
 	 each pixelformats, use this if possible!
 	 
-	 NOTE: this one will be obsolete soon! But it's still usefull when
+	 NOTE: This one will be obsolete soon! But it's still useful when
 	 you want to do tricks, like rendering osd _after_ hardware scaling
 	 (tdfxfb) or render subtitles under of the image (vo_mpegpes, sdl)
 

DOCS/tech/swscaler_filters.txt

@@ -1,14 +1,14 @@
 software scaler filter docs
 
 -ssf cgb=<float> chrominance gaussian blur
-	usefull for videos with some chroma (color) noise (TV captures, VHS, ...)
+	useful for videos with some chroma (color) noise (TV captures, VHS, ...)
 
 -ssf lgb=<float> -> luminance gaussian blur
 	hmm, mostly special effect, could be used as lame noise reducer though
 
 -ssf chs=<int> -> shift chrominance horizontally
 -ssf cvs=<int> -> shift chrominance vertically
-	usefull if the luma & chroma are not aligned exactly
+	useful if the luma & chroma are not aligned exactly
 
 -ssf cs=<float> -> chrominance sharpen
 -ssf ls=<float> -> luminance sharpen

libmpdemux/demux_mov.c

@@ -8,8 +8,8 @@
 //  The QuickTime File Format PDF from Apple:
 //  http://developer.apple.com/techpubs/quicktime/qtdevdocs/PDF/QTFileFormat.pdf
 //  (Complete list of documentation at http://developer.apple.com/quicktime/)
-//  MP4-Lib sources from http://mpeg4ip.sf.net/ might be usefull fot .mp4
-//  aswell as .mov specific stuff.
+//  MP4-Lib sources from http://mpeg4ip.sf.net/ might be useful for .mp4
+//  as well as .mov specific stuff.
 //  All sort of Stuff about MPEG4:
 //  http://www.cmlab.csie.ntu.edu.tw/~pkhsiao/thesis.html
 //  I really recommend N4270-1.doc and N4270-2.doc which are exact specs

libswscale/swscale_internal.h

@@ -74,7 +74,7 @@ typedef struct SwsContext{
 	int16_t *vChrFilter;
 	int16_t *vChrFilterPos;
 
-	uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
+	uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change a lot of code for this to be useful
 
 	int hLumFilterSize;
 	int hChrFilterSize;

libvo/vo_directx.c

@@ -675,7 +675,7 @@ static uint32_t Directx_ManageDisplay()
 			ovfx.dckDestColorkey.dwColorSpaceLowValue = destcolorkey; 
             ovfx.dckDestColorkey.dwColorSpaceHighValue = destcolorkey;
 		}
-        // set the flags we'll send to UpdateOverlay      //DDOVER_AUTOFLIP|DDOVERFX_MIRRORLEFTRIGHT|DDOVERFX_MIRRORUPDOWN could be usefull?;
+        // set the flags we'll send to UpdateOverlay      //DDOVER_AUTOFLIP|DDOVERFX_MIRRORLEFTRIGHT|DDOVERFX_MIRRORUPDOWN could be useful?;
         dwUpdateFlags = DDOVER_SHOW | DDOVER_DDFX;
         /*if hardware can't do colorkeying set the window on top*/
 		if(capsDrv.dwCKeyCaps & DDCKEYCAPS_DESTOVERLAY) dwUpdateFlags |= DDOVER_KEYDESTOVERRIDE;

libvo/vo_dxr3.c

@@ -19,7 +19,7 @@
  * 2003-01-02:
  *  Added patch from Jens Axboe that makes vo_dxr3 return to previous TV norm
  *   after quiting.
- *  Added patch from Thomas Jarosch that fixed alot of textual ouput
+ *  Added patch from Thomas Jarosch that fixed a lot of textual ouput
  *   errors.
  *
  * 2002-12-24: (Hohoho)

mp_msg.h

@@ -121,14 +121,14 @@ void mp_msg(int mod, int lev, const char *format, ... ) __attribute__ ((format (
 #   ifdef MP_DEBUG
 #      define mp_dbg(mod,lev, args... ) mp_msg(mod, lev, ## args )
 #   else
-#      define mp_dbg(mod,lev, args... ) /* only usefull for developers */
+#      define mp_dbg(mod,lev, args... ) /* only useful for developers */
 #   endif
 #else // not GNU C
 void mp_msg(int mod, int lev, const char *format, ... );
 #   ifdef MP_DEBUG
 #      define mp_dbg(mod,lev, ... ) mp_msg(mod, lev, __VA_ARGS__)
 #   else
-#      define mp_dbg(mod,lev, ... ) /* only usefull for developers */
+#      define mp_dbg(mod,lev, ... ) /* only useful for developers */
 #   endif
 #endif
 

playtree.h

@@ -205,7 +205,7 @@ play_tree_iter_free(play_tree_iter_t* iter);
 int 
 play_tree_iter_step(play_tree_iter_t* iter, int d,int with_nodes);
 
-/// Step up, usefull to break a loop, etc.
+/// Step up, useful to break a loop, etc.
 /** \param iter The iterator.
  *  \param d The direction: d > 0 == next , d < 0 == prev
  *  \param with_node TRUE == stop on nodes with childs, FALSE == go directly to the next child
@@ -214,7 +214,7 @@ play_tree_iter_step(play_tree_iter_t* iter, int d,int with_nodes);
 int
 play_tree_iter_up_step(play_tree_iter_t* iter, int d,int with_nodes);
 
-/// Enter a node child list, only usefull when stopping on nodes.
+/// Enter a node child list, only useful when stopping on nodes.
 int
 play_tree_iter_down_step(play_tree_iter_t* iter, int d,int with_nodes);