fix some a/an typos

Signed-off-by: Lou Logan <lou@lrcd.com>

doc/Doxyfile

@@ -1429,7 +1429,7 @@ PERL_PATH              = /usr/bin/perl
 #---------------------------------------------------------------------------
 
 # If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
-# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base
+# generate an inheritance diagram (in HTML, RTF and LaTeX) for classes with base
 # or super classes. Setting the tag to NO turns the diagrams off. Note that
 # this option is superseded by the HAVE_DOT option below. This is only a
 # fallback. It is recommended to install and use dot, since it yields more

doc/codecs.texi

@@ -257,7 +257,7 @@ Specify how strictly to follow the standards.
 Possible values:
 @table @samp
 @item very
-strictly conform to a older more strict version of the spec or reference software
+strictly conform to an older more strict version of the spec or reference software
 @item strict
 strictly conform to all the things in the spec no matter what consequences
 @item normal

doc/examples/filtering_audio.c

@@ -65,7 +65,7 @@ static int open_input_file(const char *filename)
     /* select the audio stream */
     ret = av_find_best_stream(fmt_ctx, AVMEDIA_TYPE_AUDIO, -1, -1, &dec, 0);
     if (ret < 0) {
-        av_log(NULL, AV_LOG_ERROR, "Cannot find a audio stream in the input file\n");
+        av_log(NULL, AV_LOG_ERROR, "Cannot find an audio stream in the input file\n");
         return ret;
     }
     audio_stream_index = ret;

doc/snow.txt

@@ -527,7 +527,7 @@ Wavelet Transform:
 ==================
 
 Snow supports 2 wavelet transforms, the symmetric biorthogonal 5/3 integer
-transform and a integer approximation of the symmetric biorthogonal 9/7
+transform and an integer approximation of the symmetric biorthogonal 9/7
 daubechies wavelet.
 
 2D IDWT (inverse discrete wavelet transform)

ffmpeg_filter.c

@@ -656,7 +656,7 @@ int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOu
     DESCRIBE_FILTER_LINK(ofilter, out, 0);
 
     if (!ofilter->ost) {
-        av_log(NULL, AV_LOG_FATAL, "Filter %s has a unconnected output\n", ofilter->name);
+        av_log(NULL, AV_LOG_FATAL, "Filter %s has an unconnected output\n", ofilter->name);
         exit_program(1);
     }
 

libavcodec/ass_split.h

@@ -111,7 +111,7 @@ ASSSplitContext *ff_ass_split(const char *buf);
 
 /**
  * Split one or several ASS "Dialogue" lines from a string buffer and store
- * them in a already initialized context.
+ * them in an already initialized context.
  *
  * @param ctx Context previously initialized by ff_ass_split().
  * @param buf String containing the ASS "Dialogue" lines.

libavcodec/avcodec.h

@@ -91,7 +91,7 @@
  * details.
  *
  * If you add a codec ID to this list, add it so that
- * 1. no value of a existing codec ID changes (that would break ABI),
+ * 1. no value of an existing codec ID changes (that would break ABI),
  * 2. it is as close as possible to similar codecs
  *
  * After adding new codec IDs, do not forget to add an entry to the codec

libavcodec/bitstream.c

@@ -167,7 +167,7 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
     int table_size, table_index, index, code_prefix, symbol, subtable_bits;
     int i, j, k, n, nb, inc;
     uint32_t code;
-    volatile VLC_TYPE (* volatile table)[2]; // the double volatile is needed to prevent a internal compiler error in gcc 4.2
+    volatile VLC_TYPE (* volatile table)[2]; // the double volatile is needed to prevent an internal compiler error in gcc 4.2
 
     table_size = 1 << table_nb_bits;
     if (table_nb_bits > 30)

libavcodec/cpia.c

@@ -134,7 +134,7 @@ static int cpia_decode_frame(AVCodecContext *avctx,
         v_end = v + frame->linesize[2] - 1;
 
         if ((i & 1) && header[17] == SUBSAMPLE_420) {
-            /* We are on a odd line and 420 subsample is used.
+            /* We are on an odd line and 420 subsample is used.
              * On this line only Y values are specified, one per pixel.
              */
             for (j = 0; j < linelength - 1; j++) {

libavcodec/ituh263dec.c

@@ -167,7 +167,7 @@ static int h263_decode_gob_header(MpegEncContext *s)
         /* We have a GBSC probably with GSTUFF */
     skip_bits(&s->gb, 16); /* Drop the zeros */
     left= get_bits_left(&s->gb);
-    //MN: we must check the bits left or we might end in a infinite loop (or segfault)
+    //MN: we must check the bits left or we might end in an infinite loop (or segfault)
     for(;left>13; left--){
         if(get_bits1(&s->gb)) break; /* Seek the '1' bit */
     }
@@ -313,7 +313,7 @@ static int h263p_decode_umotion(MpegEncContext * s, int pred)
 }
 
 /**
- * read the next MVs for OBMC. yes this is a ugly hack, feel free to send a patch :)
+ * read the next MVs for OBMC. yes this is an ugly hack, feel free to send a patch :)
  */
 static void preview_obmc(MpegEncContext *s){
     GetBitContext gb= s->gb;