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

 /*
- * 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

 /*
- * 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) {

libavcodec/h264.h

@@ -513,7 +513,7 @@ typedef struct H264Context {
     struct H264Context *thread_context[MAX_THREADS];
 
     /**
-     * current slice number, used to initalize slice_num of each thread/context
+     * current slice number, used to initialize slice_num of each thread/context
      */
     int current_slice;
 

libavcodec/ituh263enc.c

@@ -268,7 +268,7 @@ void ff_h263_encode_gob_header(MpegEncContext * s, int mb_line)
 }
 
 /**
- * modify qscale so that encoding is acually possible in h263 (limit difference to -2..2)
+ * modify qscale so that encoding is actually possible in h263 (limit difference to -2..2)
  */
 void ff_clean_h263_qscales(MpegEncContext *s){
     int i;

libavcodec/lagarith.c

@@ -199,7 +199,7 @@ static int lag_read_prob_header(lag_rac *rac, GetBitContext *gb)
             /* Comment from reference source:
              * if (b & 0x80 == 0) {     // order of operations is 'wrong'; it has been left this way
              *                          // since the compression change is negligable and fixing it
-             *                          // breaks backwards compatibilty
+             *                          // breaks backwards compatibility
              *      b =- (signed int)b;
              *      b &= 0xFF;
              * } else {

libavcodec/mjpegdec.h

@@ -68,7 +68,7 @@ typedef struct MJpegDecodeContext {
     int maxval;
     int near;         ///< near lossless bound (si 0 for lossless)
     int t1,t2,t3;
-    int reset;        ///< context halfing intervall ?rename
+    int reset;        ///< context halfing interval ?rename
 
     int width, height;
     int mb_width, mb_height;

libavcodec/mpeg4videodec.c

@@ -1588,7 +1588,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){
             skip_bits1(gb);     /* marker */
         }
     }else{
-        // set low delay flag only once the smartest? low delay detection won't be overriden
+        // set low delay flag only once the smartest? low delay detection won't be overridden
         if(s->picture_number==0)
             s->low_delay=0;
     }
@@ -2287,7 +2287,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     }
 
     s->h263_pred = 1;
-    s->low_delay = 0; //default, might be overriden in the vol header during header parsing
+    s->low_delay = 0; //default, might be overridden in the vol header during header parsing
     s->decode_mb= mpeg4_decode_mb;
     s->time_increment_bits = 4; /* default value for broken headers */
     avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;

libavcodec/mpeg4videoenc.c

@@ -199,7 +199,7 @@ static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], const
 }
 
 /**
- * modify mb_type & qscale so that encoding is acually possible in mpeg4
+ * modify mb_type & qscale so that encoding is actually possible in mpeg4
  */
 void ff_clean_mpeg4_qscales(MpegEncContext *s){
     int i;

libavcodec/mpegvideo.c

@@ -708,7 +708,7 @@ av_cold int ff_MPV_common_init(MpegEncContext *s)
         avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &s->chroma_x_shift,
                                       &s->chroma_y_shift);
 
-    /* set default edge pos, will be overriden in decode_header if needed */
+    /* set default edge pos, will be overridden in decode_header if needed */
     s->h_edge_pos = s->mb_width * 16;
     s->v_edge_pos = s->mb_height * 16;
 

libavcodec/options_table.h

@@ -162,7 +162,7 @@ static const AVOption options[]={
 {"explode", "abort decoding on minor error detection", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_EXPLODE }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
 {"careful",    "consider things that violate the spec and have not been seen in the wild as errors", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_CAREFUL }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
 {"compliant",  "consider all spec non compliancies as errors", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_COMPLIANT }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
-{"aggressive", "consider things that a sane encoder shouldnt do as an error", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_AGGRESSIVE }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
+{"aggressive", "consider things that a sane encoder should not do as an error", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_AGGRESSIVE }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
 {"has_b_frames", NULL, OFFSET(has_b_frames), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
 {"block_align", NULL, OFFSET(block_align), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
 {"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},

libavcodec/parser.c

@@ -91,7 +91,7 @@ void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove){
         if (   s->cur_offset + off >= s->cur_frame_offset[i]
             && (s->frame_offset < s->cur_frame_offset[i] ||
               (!s->frame_offset && !s->next_frame_offset)) // first field/frame
-            //check is disabled  because mpeg-ts doesnt send complete PES packets
+            //check is disabled because mpeg-ts doesn't send complete PES packets
             && /*s->next_frame_offset + off <*/  s->cur_frame_end[i]){
             s->dts= s->cur_frame_dts[i];
             s->pts= s->cur_frame_pts[i];

libavcodec/shorten.c

@@ -525,7 +525,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
             /* get Rice code for residual decoding */
             if (cmd != FN_ZERO) {
                 residual_size = get_ur_golomb_shorten(&s->gb, ENERGYSIZE);
-                /* this is a hack as version 0 differed in defintion of get_sr_golomb_shorten */
+                /* this is a hack as version 0 differed in definition of get_sr_golomb_shorten */
                 if (s->version == 0)
                     residual_size--;
             }

libavcodec/thread.h

@@ -43,7 +43,7 @@ void ff_thread_flush(AVCodecContext *avctx);
  * Returns the next available frame in picture. *got_picture_ptr
  * will be 0 if none is available.
  * The return value on success is the size of the consumed packet for
- * compatiblity with avcodec_decode_video2(). This means the decoder
+ * compatibility with avcodec_decode_video2(). This means the decoder
  * has to consume the full packet.
  *
  * Parameters are the same as avcodec_decode_video2().

libavcodec/utils.c

@@ -1709,7 +1709,7 @@ static enum CodecID remap_deprecated_codec_id(enum CodecID id)
 {
     switch(id){
         //This is for future deprecatec codec ids, its empty since
-        //last major bump but will fill up again over time, please dont remove it
+        //last major bump but will fill up again over time, please don't remove it
 //         case CODEC_ID_UTVIDEO_DEPRECATED: return CODEC_ID_UTVIDEO;
         default                         : return id;
     }

libavcodec/vda.c

@@ -150,7 +150,7 @@ int ff_vda_create_decoder(struct vda_context *vda_ctx,
     pthread_mutex_init(&vda_ctx->queue_mutex, NULL);
 
     /* Each VCL NAL in the bistream sent to the decoder
-     * is preceeded by a 4 bytes length header.
+     * is preceded by a 4 bytes length header.
      * Change the avcC atom header if needed, to signal headers of 4 bytes. */
     if (extradata_size >= 4 && (extradata[4] & 0x03) != 0x03) {
         uint8_t *rw_extradata;

libavcodec/wmaprodec.c

@@ -535,7 +535,7 @@ static int decode_tilehdr(WMAProDecodeCtx *s)
     int c;
 
     /* Should never consume more than 3073 bits (256 iterations for the
-     * while loop when always the minimum amount of 128 samples is substracted
+     * while loop when always the minimum amount of 128 samples is subtracted
      * from missing samples in the 8 channel case).
      * 1 + BLOCK_MAX_SIZE * MAX_CHANNELS / BLOCK_MIN_SIZE * (MAX_CHANNELS  + 4)
      */
@@ -1449,7 +1449,7 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len,
     int buflen;
 
     /** when the frame data does not need to be concatenated, the input buffer
-        is resetted and additional bits from the previous frame are copyed
+        is reset and additional bits from the previous frame are copied
         and skipped later so that a fast byte copy is possible */
 
     if (!append) {

tools/patcheck

@@ -67,7 +67,7 @@ $EGREP $OPT '^\+ *(const *|)static' $*| $EGREP --color=always '[^=]= *(0|NULL)[^
 cat $TMP
 hiegrep '# *ifdef * (HAVE|CONFIG)_' 'ifdefs that should be #if' $*
 
-hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|ouput|seperate|preceed|upto|paket|posible|unkown|inpossible|dimention)\b' 'common typos' $*
+hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|ouput|seperate|preceed|upto|paket|posible|unkown|inpossible|dimention|funtions|overriden|outputing|seperation|initalize|compatibilty)\b' 'common typos' $*
 hiegrep 'av_log\( *NULL' 'Missing context in av_log' $*
 hiegrep '[^sn]printf' 'Please use av_log' $*
 hiegrep '\bmalloc' 'Please use av_malloc' $*