diff --git a/vp8/common/onyx.h b/vp8/common/onyx.h
index 2e282f6d5..2c8188a63 100644
--- a/vp8/common/onyx.h
+++ b/vp8/common/onyx.h
@@ -106,7 +106,7 @@ extern "C"
         int Width;              // width of data passed to the compressor
         int Height;             // height of data passed to the compressor
         struct vpx_rational  timebase;
-        int target_bandwidth;    // bandwidth to be used in kilobits per second
+        unsigned int target_bandwidth;    // bandwidth to be used in kilobits per second
 
         int noise_sensitivity;   // parameter used for applying pre processing blur: recommendation 0
         int Sharpness;          // parameter used for sharpening output: recommendation 0:
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index 8beca5d54..48824cef2 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -549,8 +549,8 @@ static void setup_token_decoder(VP8D_COMP *pbi,
 {
     vp8_reader *bool_decoder = &pbi->bc2;
     unsigned int partition_idx;
-    int fragment_idx;
-    int num_token_partitions;
+    unsigned int fragment_idx;
+    unsigned int num_token_partitions;
     const unsigned char *first_fragment_end = pbi->fragments[0] +
                                           pbi->fragment_sizes[0];
 
@@ -1157,7 +1157,7 @@ int vp8_decode_frame(VP8D_COMP *pbi)
 #if CONFIG_MULTITHREAD
     if (pbi->b_multithreaded_rd && pc->multi_token_partition != ONE_PARTITION)
     {
-        int i;
+        unsigned int i;
         vp8mt_decode_mb_rows(pbi, xd);
         vp8_yv12_extend_frame_borders(&pc->yv12_fb[pc->new_fb_idx]);    /*cm->frame_to_show);*/
         for (i = 0; i < pbi->decoding_thread_count; ++i)
diff --git a/vp8/decoder/onyxd_if.c b/vp8/decoder/onyxd_if.c
index 8d9cca304..50d609d6e 100644
--- a/vp8/decoder/onyxd_if.c
+++ b/vp8/decoder/onyxd_if.c
@@ -303,7 +303,7 @@ int vp8dx_receive_compressed_data(VP8D_COMP *pbi, unsigned long size, const unsi
     if (pbi->num_fragments == 0)
     {
         /* New frame, reset fragment pointers and sizes */
-        vpx_memset(pbi->fragments, 0, sizeof(pbi->fragments));
+        vpx_memset((void*)pbi->fragments, 0, sizeof(pbi->fragments));
         vpx_memset(pbi->fragment_sizes, 0, sizeof(pbi->fragment_sizes));
     }
     if (pbi->input_fragments && !(source == NULL && size == 0))
diff --git a/vp8/decoder/onyxd_int.h b/vp8/decoder/onyxd_int.h
index f2b9c60b5..8a5b8d5bb 100644
--- a/vp8/decoder/onyxd_int.h
+++ b/vp8/decoder/onyxd_int.h
@@ -61,7 +61,7 @@ typedef struct VP8D_COMP
     volatile int b_multithreaded_rd;
     int max_threads;
     int current_mb_col_main;
-    int decoding_thread_count;
+    unsigned int decoding_thread_count;
     int allocated_decoding_thread_count;
 
     int mt_baseline_filter_level[MAX_MB_SEGMENTS];
diff --git a/vp8/decoder/threading.c b/vp8/decoder/threading.c
index 7ef86c5cf..a51ca64bd 100644
--- a/vp8/decoder/threading.c
+++ b/vp8/decoder/threading.c
@@ -654,7 +654,7 @@ static THREAD_FUNCTION thread_decoding_proc(void *p_data)
 void vp8_decoder_create_threads(VP8D_COMP *pbi)
 {
     int core_count = 0;
-    int ithread;
+    unsigned int ithread;
 
     pbi->b_multithreaded_rd = 0;
     pbi->allocated_decoding_thread_count = 0;
@@ -870,7 +870,8 @@ void vp8_decoder_remove_threads(VP8D_COMP *pbi)
 void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
 {
     VP8_COMMON *pc = &pbi->common;
-    int i;
+    unsigned int i;
+    int j;
 
     int filter_level = pc->filter_level;
 
@@ -881,19 +882,19 @@ void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd)
         vpx_memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
         vpx_memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (pc->yv12_fb[pc->lst_fb_idx].y_width>>1) +5);
 
-        for (i=1; i<pc->mb_rows; i++)
+        for (j=1; j<pc->mb_rows; j++)
         {
-            vpx_memset(pbi->mt_yabove_row[i] + VP8BORDERINPIXELS-1, (unsigned char)129, 1);
-            vpx_memset(pbi->mt_uabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
-            vpx_memset(pbi->mt_vabove_row[i] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
+            vpx_memset(pbi->mt_yabove_row[j] + VP8BORDERINPIXELS-1, (unsigned char)129, 1);
+            vpx_memset(pbi->mt_uabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
+            vpx_memset(pbi->mt_vabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1);
         }
 
         /* Set left_col to 129 initially */
-        for (i=0; i<pc->mb_rows; i++)
+        for (j=0; j<pc->mb_rows; j++)
         {
-            vpx_memset(pbi->mt_yleft_col[i], (unsigned char)129, 16);
-            vpx_memset(pbi->mt_uleft_col[i], (unsigned char)129, 8);
-            vpx_memset(pbi->mt_vleft_col[i], (unsigned char)129, 8);
+            vpx_memset(pbi->mt_yleft_col[j], (unsigned char)129, 16);
+            vpx_memset(pbi->mt_uleft_col[j], (unsigned char)129, 8);
+            vpx_memset(pbi->mt_vleft_col[j], (unsigned char)129, 8);
         }
 
         /* Initialize the loop filter for this frame. */
diff --git a/vp8/encoder/block.h b/vp8/encoder/block.h
index 1be1021c5..4ecbf1f0a 100644
--- a/vp8/encoder/block.h
+++ b/vp8/encoder/block.h
@@ -108,7 +108,7 @@ typedef struct macroblock
 
     int skip;
 
-    int encode_breakout;
+    unsigned int encode_breakout;
 
     //char * gf_active_ptr;
     signed char *gf_active_ptr;
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 74b918cea..5f2391545 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -4866,7 +4866,7 @@ int vp8_get_compressed_data(VP8_COMP *cpi, unsigned int *frame_flags, unsigned l
 
             if (cpi->oxcf.number_of_layers > 1)
             {
-                int i;
+                unsigned int i;
 
                 // Update frame rates for each layer
                 for (i=0; i<cpi->oxcf.number_of_layers; i++)
diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index 618a2966d..764791030 100644
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -458,7 +458,7 @@ static void check_for_encode_breakout(unsigned int sse, MACROBLOCK* x)
     if (sse < x->encode_breakout)
     {
         // Check u and v to make sure skip is ok
-        int sse2 = 0;
+        unsigned int sse2 = 0;
 
         sse2 = VP8_UVSSE(x);
 
diff --git a/vp8/encoder/ratectrl.c b/vp8/encoder/ratectrl.c
index 967a7523f..04fd2d05b 100644
--- a/vp8/encoder/ratectrl.c
+++ b/vp8/encoder/ratectrl.c
@@ -350,7 +350,7 @@ static void calc_iframe_target_size(VP8_COMP *cpi)
 {
     // boost defaults to half second
     int kf_boost;
-    int target;
+    unsigned int target;
 
     // Clear down mmx registers to allow floating point in what follows
     vp8_clear_system_state();  //__asm emms;
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index 167192d56..1a2eb1144 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -1769,7 +1769,7 @@ static int evaluate_inter_mode_rd(int mdcounts[4],
     {
         unsigned int sse;
         unsigned int var;
-        int threshold = (xd->block[0].dequant[1]
+        unsigned int threshold = (xd->block[0].dequant[1]
                     * xd->block[0].dequant[1] >>4);
 
         if(threshold < x->encode_breakout)
@@ -1788,7 +1788,7 @@ static int evaluate_inter_mode_rd(int mdcounts[4],
                 (sse /2 > var && sse-var < 64))
             {
                 // Check u and v to make sure skip is ok
-                int sse2=  VP8_UVSSE(x);
+                unsigned int sse2 = VP8_UVSSE(x);
                 if (sse2 * 2 < threshold)
                 {
                     x->skip = 1;
diff --git a/vp8/vp8_cx_iface.c b/vp8/vp8_cx_iface.c
index 920c7632c..8509b9ead 100644
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -227,7 +227,7 @@ static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t      *ctx,
 
     if (cfg->ts_number_layers > 1)
     {
-        int i;
+        unsigned int i;
         RANGE_CHECK_HI(cfg, ts_periodicity, 16);
 
         for (i=1; i<cfg->ts_number_layers; i++)