Fix more typos (1/n)

Dont -> Don't
setings -> settings
thresold -> thresh
thresold -> threshold
becasue -> because
itterations -> iterations
its a -> it's a
an constant -> a constant

Bug: webm:1803
Change-Id: I1e019393939ed25c59c898c88d4941ec360b026d

6 files changed, 9 insertions, 9 deletions

diff --git a/vp9/common/arm/neon/vp9_highbd_iht16x16_add_neon.c b/vp9/common/arm/neon/vp9_highbd_iht16x16_add_neon.c
index aeb7e49c1..b43d7fa4f 100644
--- a/vp9/common/arm/neon/vp9_highbd_iht16x16_add_neon.c
+++ b/vp9/common/arm/neon/vp9_highbd_iht16x16_add_neon.c
@@ -18,7 +18,7 @@
 #include "vpx_dsp/arm/transpose_neon.h"
 #include "vpx_dsp/inv_txfm.h"
 
-// Use macros to make sure argument lane is passed in as an constant integer.
+// Use macros to make sure argument lane is passed in as a constant integer.
 
 #define vmull_lane_s32_dual(in, c, lane, out)                          \
   do {                                                                 \
diff --git a/vp9/encoder/vp9_block.h b/vp9/encoder/vp9_block.h
index 4d336f2a4..f4653a82f 100644
--- a/vp9/encoder/vp9_block.h
+++ b/vp9/encoder/vp9_block.h
@@ -34,7 +34,7 @@ struct macroblock_plane {
   uint16_t *eobs;
   struct buf_2d src;
 
-  // Quantizer setings
+  // Quantizer settings
   int16_t *round_fp;
   int16_t *quant_fp;
   int16_t *quant;
diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c
index d97bf2a1c..e4c8a0e4a 100644
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -1448,7 +1448,7 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
       first_pass_stat_calc(cpi, &fps, &(first_tile_col->fp_data));
     }
 
-    // Dont allow a value of 0 for duration.
+    // Don't allow a value of 0 for duration.
     // (Section duration is also defaulted to minimum of 1.0).
     fps.duration = VPXMAX(1.0, (double)(source->ts_end - source->ts_start));
 
@@ -1701,7 +1701,7 @@ void vp9_init_second_pass(VP9_COMP *cpi) {
 
     // Second scan using clamps based on the previous cycle average.
     // This may modify the total and average somewhat but we don't bother with
-    // further itterations.
+    // further iterations.
     modified_score_total = 0.0;
     s = twopass->stats_in;
     while (s < twopass->stats_in_end) {
diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c
index 4e5fdc6d9..c32745b4f 100644
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -1359,7 +1359,7 @@ static void pick_kf_q_bound_two_pass(const VP9_COMP *cpi, int *bottom_index,
       active_best_quality /= 4;
     }
 
-    // Dont allow the active min to be lossless (q0) unlesss the max q
+    // Don't allow the active min to be lossless (q0) unlesss the max q
     // already indicates lossless.
     active_best_quality =
         VPXMIN(active_worst_quality, VPXMAX(1, active_best_quality));
@@ -2693,7 +2693,7 @@ static void vbr_rate_correction(VP9_COMP *cpi, int *this_frame_target) {
   }
 
   // Fast redistribution of bits arising from massive local undershoot.
-  // Dont do it for kf,arf,gf or overlay frames.
+  // Don't do it for kf,arf,gf or overlay frames.
   if (!frame_is_kf_gf_arf(cpi) && !rc->is_src_frame_alt_ref &&
       rc->vbr_bits_off_target_fast) {
     int one_frame_bits = VPXMAX(rc->avg_frame_bandwidth, *this_frame_target);
diff --git a/vp9/encoder/vp9_speed_features.h b/vp9/encoder/vp9_speed_features.h
index 70c61fe00..941de639a 100644
--- a/vp9/encoder/vp9_speed_features.h
+++ b/vp9/encoder/vp9_speed_features.h
@@ -643,7 +643,7 @@ typedef struct SPEED_FEATURES {
   // Use machine learning based partition search.
   int nonrd_use_ml_partition;
 
-  // Multiplier for base thresold for variance partitioning.
+  // Multiplier for base threshold for variance partitioning.
   int variance_part_thresh_mult;
 
   // Force subpel motion filter to always use SMOOTH_FILTER.
diff --git a/vp9/vp9_cx_iface.c b/vp9/vp9_cx_iface.c
index 409069b4e..5873f30e8 100644
--- a/vp9/vp9_cx_iface.c
+++ b/vp9/vp9_cx_iface.c
@@ -2084,8 +2084,8 @@ static vpx_codec_enc_cfg_map_t encoder_usage_cfg_map[] = {
         0,   // rc_resize_allowed
         0,   // rc_scaled_width
         0,   // rc_scaled_height
-        60,  // rc_resize_down_thresold
-        30,  // rc_resize_up_thresold
+        60,  // rc_resize_down_thresh
+        30,  // rc_resize_up_thresh
 
         VPX_VBR,      // rc_end_usage
         { NULL, 0 },  // rc_twopass_stats_in