cosmetics: minor libavcodec spelling errors

Also update some common misspelled words in patcheck

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

libavcodec/aacdec.c

@@ -2616,7 +2616,7 @@ static av_cold int aac_decode_close(AVCodecContext *avctx)
 
 struct LATMContext {
     AACContext      aac_ctx;             ///< containing AACContext
-    int             initialized;         ///< initilized after a valid extradata was seen
+    int             initialized;         ///< initialized after a valid extradata was seen
 
     // parser data
     int             audio_mux_version_A; ///< LATM syntax version

libavcodec/ass.c

@@ -1,5 +1,5 @@
 /*
- * SSA/ASS common funtions
+ * SSA/ASS common functions
  * Copyright (c) 2010  Aurelien Jacobs <aurel@gnuage.org>
  *
  * This file is part of FFmpeg.

libavcodec/ass.h

@@ -1,5 +1,5 @@
 /*
- * SSA/ASS common funtions
+ * SSA/ASS common functions
  * Copyright (c) 2010  Aurelien Jacobs <aurel@gnuage.org>
  *
  * This file is part of FFmpeg.

libavcodec/atrac1.c

@@ -246,7 +246,7 @@ static int at1_unpack_dequant(GetBitContext* gb, AT1SUCtx* su,
                      */
                     spec[pos+i] = get_sbits(gb, word_len) * scale_factor * max_quant;
                 }
-            } else { /* word_len = 0 -> empty BFU, zero all specs in the emty BFU */
+            } else { /* word_len = 0 -> empty BFU, zero all specs in the empty BFU */
                 memset(&spec[pos], 0, num_specs * sizeof(float));
             }
         }

libavcodec/avcodec.h

@@ -1523,7 +1523,7 @@ typedef struct AVCodecContext {
     /**
      * Pixel format, see PIX_FMT_xxx.
      * May be set by the demuxer if known from headers.
-     * May be overriden by the decoder if it knows better.
+     * May be overridden by the decoder if it knows better.
      * - encoding: Set by user.
      * - decoding: Set by user if known, overridden by libavcodec if known
      */
@@ -2287,7 +2287,7 @@ typedef struct AVCodecContext {
 
     /**
      * ratecontrol qmin qmax limiting method
-     * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
+     * 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
      * - encoding: Set by user.
      * - decoding: unused
      */
@@ -3186,7 +3186,7 @@ typedef struct AVSubtitleRect {
 
     /**
      * 0 terminated ASS/SSA compatible event line.
-     * The pressentation of this is unaffected by the other values in this
+     * The presentation of this is unaffected by the other values in this
      * struct.
      */
     char *ass;

libavcodec/crystalhd.c

@@ -43,7 +43,7 @@
  * on testing, the code will wait until 3 pictures are ready before starting
  * to copy out - and this has the effect of extending the pipeline.
  *
- * Finally, while it is tempting to say that once the decoder starts outputing
+ * Finally, while it is tempting to say that once the decoder starts outputting
  * frames, the software should never fail to return a frame from a decode(),
  * this is a hard assertion to make, because the stream may switch between
  * differently encoded content (number of b-frames, interlacing, etc) which

libavcodec/diracdec.c

@@ -861,7 +861,7 @@ static int dirac_unpack_prediction_parameters(DiracContext *s)
         return -1;
     }
     if (s->plane[0].xbsep > s->plane[0].xblen || s->plane[0].ybsep > s->plane[0].yblen) {
-        av_log(s->avctx, AV_LOG_ERROR, "Block seperation greater than size\n");
+        av_log(s->avctx, AV_LOG_ERROR, "Block separation greater than size\n");
         return -1;
     }
     if (FFMAX(s->plane[0].xblen, s->plane[0].yblen) > MAX_BLOCKSIZE) {
@@ -961,7 +961,7 @@ static int dirac_unpack_idwt_params(DiracContext *s)
     CHECKEDREAD(s->wavelet_depth, tmp > MAX_DWT_LEVELS || tmp < 1, "invalid number of DWT decompositions\n")
 
     if (!s->low_delay) {
-        /* Codeblock paramaters (core syntax only) */
+        /* Codeblock parameters (core syntax only) */
         if (get_bits1(gb)) {
             for (i = 0; i <= s->wavelet_depth; i++) {
                 CHECKEDREAD(s->codeblock[i].width , tmp < 1, "codeblock width invalid\n")

libavcodec/elbg.c

@@ -188,7 +188,7 @@ static void get_new_centroids(elbg_data *elbg, int huc, int *newcentroid_i,
 
 /**
  * Add the points in the low utility cell to its closest cell. Split the high
- * utility cell, putting the separed points in the (now empty) low utility
+ * utility cell, putting the separate points in the (now empty) low utility
  * cell.
  *
  * @param elbg         Internal elbg data

libavcodec/g726.c

@@ -32,7 +32,7 @@
 /**
  * G.726 11bit float.
  * G.726 Standard uses rather odd 11bit floating point arithmentic for
- * numerous occasions. It's a mistery to me why they did it this way
+ * numerous occasions. It's a mystery to me why they did it this way
  * instead of simply using 32bit integer arithmetic.
  */
 typedef struct Float11 {

libavcodec/g729dec.c

@@ -562,7 +562,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
                 gain_corr_factor = cb_gain_1st_6k4[gc_1st_index][1] +
                                    cb_gain_2nd_6k4[gc_2nd_index][1];
 
-                /* Without check below overflow can occure in ff_acelp_update_past_gain.
+                /* Without check below overflow can occur in ff_acelp_update_past_gain.
                    It is not issue for G.729, because gain_corr_factor in it's case is always
                    greater than 1024, while in G.729D it can be even zero. */
                 gain_corr_factor = FFMAX(gain_corr_factor, 1024);
@@ -589,7 +589,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
               two times larger than in original G.729.
 
               If bit-exact result is not issue then gain_corr_factor
-              can be simpler devided by 2 before call to g729_get_gain_code
+              can be simpler divided by 2 before call to g729_get_gain_code
               instead of using correction below.
             */
             if (packet_type == FORMAT_G729D_6K4) {