diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index 30fa94cf6ff1f987331ac685b1ec0564bc202b3b..10b886cf9a1ef6f392c9b0c1e0d6f0484868bd8c 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -214,7 +214,7 @@ static void inverse_transform_block(MACROBLOCKD* xd, int plane, int block,
   struct macroblockd_plane *const pd = &xd->plane[plane];
   if (eob > 0) {
     TX_TYPE tx_type;
-    const int plane_type = pd->plane_type;
+    const PLANE_TYPE plane_type = pd->plane_type;
     int16_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
     switch (tx_size) {
       case TX_4X4:
@@ -262,7 +262,7 @@ struct intra_args {
 static void predict_and_reconstruct_intra_block(int plane, int block,
                                                 BLOCK_SIZE plane_bsize,
                                                 TX_SIZE tx_size, void *arg) {
-  struct intra_args *const args = arg;
+  struct intra_args *const args = (struct intra_args *)arg;
   VP9_COMMON *const cm = args->cm;
   MACROBLOCKD *const xd = args->xd;
   struct macroblockd_plane *const pd = &xd->plane[plane];
@@ -298,7 +298,7 @@ struct inter_args {
 static void reconstruct_inter_block(int plane, int block,
                                     BLOCK_SIZE plane_bsize,
                                     TX_SIZE tx_size, void *arg) {
-  struct inter_args *args = arg;
+  struct inter_args *args = (struct inter_args *)arg;
   VP9_COMMON *const cm = args->cm;
   MACROBLOCKD *const xd = args->xd;
   struct macroblockd_plane *const pd = &xd->plane[plane];
@@ -416,7 +416,7 @@ static PARTITION_TYPE read_partition(VP9_COMMON *cm, MACROBLOCKD *xd, int hbs,
   PARTITION_TYPE p;
 
   if (has_rows && has_cols)
-    p = vp9_read_tree(r, vp9_partition_tree, probs);
+    p = (PARTITION_TYPE)vp9_read_tree(r, vp9_partition_tree, probs);
   else if (!has_rows && has_cols)
     p = vp9_read(r, probs[1]) ? PARTITION_SPLIT : PARTITION_HORZ;
   else if (has_rows && !has_cols)
@@ -1111,7 +1111,7 @@ static size_t read_uncompressed_header(VP9D_COMP *pbi,
   if (cm->frame_type == KEY_FRAME) {
     check_sync_code(cm, rb);
 
-    cm->color_space = vp9_rb_read_literal(rb, 3);  // colorspace
+    cm->color_space = (COLOR_SPACE)vp9_rb_read_literal(rb, 3);
     if (cm->color_space != SRGB) {
       vp9_rb_read_bit(rb);  // [16,235] (including xvycc) vs [0,255] range
       if (cm->version == 1) {
diff --git a/vp9/decoder/vp9_decodemv.c b/vp9/decoder/vp9_decodemv.c
index 06a21ea7b9c3ec7a70e245974828f18a51c709d1..bade2b17bb05ef6a771c0bf637eeb8f4e8d26a6f 100644
--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -63,7 +63,7 @@ static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
                                      TX_SIZE max_tx_size, vp9_reader *r) {
   const int ctx = vp9_get_tx_size_context(xd);
   const vp9_prob *tx_probs = get_tx_probs(max_tx_size, ctx, &cm->fc.tx_probs);
-  TX_SIZE tx_size = (TX_SIZE)vp9_read(r, tx_probs[0]);
+  int tx_size = vp9_read(r, tx_probs[0]);
   if (tx_size != TX_4X4 && max_tx_size >= TX_16X16) {
     tx_size += vp9_read(r, tx_probs[1]);
     if (tx_size != TX_8X8 && max_tx_size >= TX_32X32)
@@ -72,7 +72,7 @@ static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
 
   if (!cm->frame_parallel_decoding_mode)
     ++get_tx_counts(max_tx_size, ctx, &cm->counts.tx)[tx_size];
-  return tx_size;
+  return (TX_SIZE)tx_size;
 }
 
 static TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, TX_MODE tx_mode,
@@ -237,14 +237,15 @@ static int read_mv_component(vp9_reader *r,
 static INLINE void read_mv(vp9_reader *r, MV *mv, const MV *ref,
                            const nmv_context *ctx,
                            nmv_context_counts *counts, int allow_hp) {
-  const MV_JOINT_TYPE j = vp9_read_tree(r, vp9_mv_joint_tree, ctx->joints);
+  const MV_JOINT_TYPE joint_type =
+      (MV_JOINT_TYPE)vp9_read_tree(r, vp9_mv_joint_tree, ctx->joints);
   const int use_hp = allow_hp && vp9_use_mv_hp(ref);
   MV diff = {0, 0};
 
-  if (mv_joint_vertical(j))
+  if (mv_joint_vertical(joint_type))
     diff.row = read_mv_component(r, &ctx->comps[0], use_hp);
 
-  if (mv_joint_horizontal(j))
+  if (mv_joint_horizontal(joint_type))
     diff.col = read_mv_component(r, &ctx->comps[1], use_hp);
 
   vp9_inc_mv(&diff, counts);
@@ -276,7 +277,8 @@ static void read_ref_frames(VP9_COMMON *const cm, MACROBLOCKD *const xd,
   FRAME_COUNTS *const counts = &cm->counts;
 
   if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    ref_frame[0] = vp9_get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME);
+    ref_frame[0] = (MV_REFERENCE_FRAME)vp9_get_segdata(&cm->seg, segment_id,
+                                                       SEG_LVL_REF_FRAME);
     ref_frame[1] = NONE;
   } else {
     const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r);