fix some a/an typos

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

7 files changed, 11 insertions, 11 deletions

diff --git a/libavcodec/ass_split.h b/libavcodec/ass_split.h
index abb6e58f14..30ce77250c 100644
--- a/libavcodec/ass_split.h
+++ b/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.
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 637984bb26..eb8b921b72 100644
--- a/libavcodec/avcodec.h
+++ b/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
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index 9344175977..ff9d013553 100644
--- a/libavcodec/bitstream.c
+++ b/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)
diff --git a/libavcodec/cpia.c b/libavcodec/cpia.c
index 6b784b2051..07cdd50368 100644
--- a/libavcodec/cpia.c
+++ b/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++) {
diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c
index 2e449f8eeb..00be202e62 100644
--- a/libavcodec/ituh263dec.c
+++ b/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;
diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c
index 5e3fe7e986..6300bb11c0 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -830,7 +830,7 @@ static void switch_buffer(MPADecodeContext *s, int *pos, int *end_pos,
     }
 }
 
-/* Following is a optimized code for
+/* Following is an optimized code for
             INTFLOAT v = *src
             if(get_bits1(&s->gb))
                 v = -v;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 236987b3d4..bc78039c1e 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -772,7 +772,7 @@ static int init_context_frame(MpegEncContext *s)
 
     if (s->h263_pred || s->h263_plus || !s->encoding) {
         /* dc values */
-        // MN: we need these for  error resilience of intra-frames
+        // MN: we need these for error resilience of intra-frames
         FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail);
         s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
         s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
@@ -781,13 +781,13 @@ static int init_context_frame(MpegEncContext *s)
             s->dc_val_base[i] = 1024;
     }
 
-    /* which mb is a intra block */
+    /* which mb is an intra block */
     FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
     memset(s->mbintra_table, 1, mb_array_size);
 
     /* init macroblock skip table */
     FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
-    // Note the + 1 is for  a quicker mpeg4 slice_end detection
+    // Note the + 1 is for a quicker mpeg4 slice_end detection
 
     return ff_mpeg_er_init(s);
 fail:
@@ -1224,7 +1224,7 @@ int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
     }
 
     if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) {
-        // we already have a unused image
+        // we already have an unused image
         // (maybe it was set before reading the header)
         pic = s->current_picture_ptr;
     } else {