cosmetics: fix some typos

Patch attached.
From 2d4094fc0dcb4ccd0735eb7e1719e228ebb56bb9 Mon Sep 17 00:00:00 2001
From: Lou Logan <lou@lrcd.com>
Date: Mon, 12 Mar 2012 14:13:44 -0800
Subject: [PATCH] cosmetics: fix some typos

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

7 files changed, 10 insertions, 10 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index ccbcc33327..a3d5614fc3 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -80,7 +80,7 @@
  * 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),
  * 2. Give it a value which when taken as ASCII is recognized uniquely by a human as this specific codec.
- *    This ensures that 2 forks can independantly add CodecIDs without producing conflicts.
+ *    This ensures that 2 forks can independently add CodecIDs without producing conflicts.
  */
 enum CodecID {
     CODEC_ID_NONE,
diff --git a/libavcodec/eac3dec.c b/libavcodec/eac3dec.c
index 7fc1bb5071..91e35ad934 100644
--- a/libavcodec/eac3dec.c
+++ b/libavcodec/eac3dec.c
@@ -491,7 +491,7 @@ int ff_eac3_parse_header(AC3DecodeContext *s)
     s->skip_syntax       = get_bits1(gbc);
     parse_spx_atten_data = get_bits1(gbc);
 
-    /* coupling strategy occurance and coupling use per block */
+    /* coupling strategy occurrence and coupling use per block */
     num_cpl_blocks = 0;
     if (s->channel_mode > 1) {
         for (blk = 0; blk < s->num_blocks; blk++) {
diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c
index b38945cd6c..5e55027b16 100644
--- a/libavcodec/g729dec.c
+++ b/libavcodec/g729dec.c
@@ -622,7 +622,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
             1,
             0,
             0x800))
-            /* Overflow occured, downscale excitation signal... */
+            /* Overflow occurred, downscale excitation signal... */
             for (j = 0; j < 2 * SUBFRAME_SIZE + PITCH_DELAY_MAX + INTERPOL_LEN; j++)
                 ctx->exc_base[j] >>= 2;
 
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index e31d2ce363..b8d246de3d 100644
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -89,7 +89,7 @@ static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int bloc
  * @param[in,out] block MB coefficients, these will be restored
  * @param[in] dir ac prediction direction for each 8x8 block
  * @param[out] st scantable for each 8x8 block
- * @param[in] zigzag_last_index index refering to the last non zero coefficient in zigzag order
+ * @param[in] zigzag_last_index index referring to the last non zero coefficient in zigzag order
  */
 static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], const int dir[6], uint8_t *st[6], const int zigzag_last_index[6])
 {
@@ -120,7 +120,7 @@ static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], c
  * @param[in,out] block MB coefficients, these will be updated if 1 is returned
  * @param[in] dir ac prediction direction for each 8x8 block
  * @param[out] st scantable for each 8x8 block
- * @param[out] zigzag_last_index index refering to the last non zero coefficient in zigzag order
+ * @param[out] zigzag_last_index index referring to the last non zero coefficient in zigzag order
  */
 static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], const int dir[6], uint8_t *st[6], int zigzag_last_index[6])
 {
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 14a298bc46..8cda2e9e2a 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -130,7 +130,7 @@ typedef struct Picture{
     int ref_poc[2][2][32];      ///< h264 POCs of the frames/fields used as reference (FIXME need per slice)
     int ref_count[2][2];        ///< number of entries in ref_poc              (FIXME need per slice)
     int mbaff;                  ///< h264 1 -> MBAFF frame 0-> not MBAFF
-    int field_picture;          ///< whether or not the picture was encoded in seperate fields
+    int field_picture;          ///< whether or not the picture was encoded in separate fields
     int sync;                   ///< has been decoded after a keyframe
 
     int mb_var_sum;             ///< sum of MB variance for current frame
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index c51ea5d58a..95597aa075 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3686,7 +3686,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
     int idx_mbmode = 0, mvbp;
     int stride_y, fieldtx;
 
-    mquant = v->pq; /* Loosy initialization */
+    mquant = v->pq; /* Lossy initialization */
 
     if (v->skip_is_raw)
         skipped = get_bits1(gb);
@@ -3894,7 +3894,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
     int block_cbp = 0, pat, block_tt = 0;
     int idx_mbmode = 0;
 
-    mquant = v->pq; /* Loosy initialization */
+    mquant = v->pq; /* Lossy initialization */
 
     idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
     if (idx_mbmode <= 1) { // intra MB
@@ -4167,7 +4167,7 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
     int bmvtype = BMV_TYPE_BACKWARD;
     int idx_mbmode, interpmvp;
 
-    mquant      = v->pq; /* Loosy initialization */
+    mquant      = v->pq; /* Lossy initialization */
     s->mb_intra = 0;
 
     idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h
index d0c7d4aacc..c4b9aa1a22 100644
--- a/libavcodec/vp8dsp.h
+++ b/libavcodec/vp8dsp.h
@@ -73,7 +73,7 @@ typedef struct VP8DSPContext {
      * second dimension: 0 if no vertical interpolation is needed;
      *                   1 4-tap vertical interpolation filter (my & 1)
      *                   2 6-tap vertical interpolation filter (!(my & 1))
-     * third dimension: same as second dimention, for horizontal interpolation
+     * third dimension: same as second dimension, for horizontal interpolation
      * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
      */
     vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];