diff --git a/libavcodec/a64multienc.c b/libavcodec/a64multienc.c
index 91aac0933f..38f25020f5 100644
--- a/libavcodec/a64multienc.c
+++ b/libavcodec/a64multienc.c
@@ -60,11 +60,11 @@ typedef struct A64Context {
 } A64Context;
 
 /* gray gradient */
-static const int mc_colors[5]={0x0,0xb,0xc,0xf,0x1};
+static const uint8_t mc_colors[5]={0x0,0xb,0xc,0xf,0x1};
 
 /* other possible gradients - to be tested */
-//static const int mc_colors[5]={0x0,0x8,0xa,0xf,0x7};
-//static const int mc_colors[5]={0x0,0x9,0x8,0xa,0x3};
+//static const uint8_t mc_colors[5]={0x0,0x8,0xa,0xf,0x7};
+//static const uint8_t mc_colors[5]={0x0,0x9,0x8,0xa,0x3};
 
 static void to_meta_with_crop(AVCodecContext *avctx,
                               const AVFrame *p, int *dest)
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index e7e18af92d..f1c95ce877 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -652,7 +652,7 @@ void ff_ac3_process_exponents(AC3EncodeContext *s)
  */
 static void count_frame_bits_fixed(AC3EncodeContext *s)
 {
-    static const int frame_bits_inc[8] = { 0, 0, 2, 2, 2, 4, 2, 4 };
+    static const uint8_t frame_bits_inc[8] = { 0, 0, 2, 2, 2, 4, 2, 4 };
     int blk;
     int frame_bits;
 
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index ede0130bf1..e194764374 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -57,7 +57,7 @@
  */
 
 /* These are for CD-ROM XA ADPCM */
-static const int xa_adpcm_table[5][2] = {
+static const int8_t xa_adpcm_table[5][2] = {
     {   0,   0 },
     {  60,   0 },
     { 115, -52 },
@@ -65,7 +65,7 @@ static const int xa_adpcm_table[5][2] = {
     { 122, -60 }
 };
 
-static const int ea_adpcm_table[] = {
+static const int16_t ea_adpcm_table[] = {
     0,  240,  460,  392,
     0,    0, -208, -220,
     0,    1,    3,    4,
@@ -74,7 +74,7 @@ static const int ea_adpcm_table[] = {
 };
 
 // padded to zero where table size is less then 16
-static const int swf_index_tables[4][16] = {
+static const int8_t swf_index_tables[4][16] = {
     /*2*/ { -1, 2 },
     /*3*/ { -1, -1, 2, 4 },
     /*4*/ { -1, -1, -1, -1, 2, 4, 6, 8 },
@@ -484,7 +484,7 @@ static void adpcm_swf_decode(AVCodecContext *avctx, const uint8_t *buf, int buf_
 {
     ADPCMDecodeContext *c = avctx->priv_data;
     GetBitContext gb;
-    const int *table;
+    const int8_t *table;
     int k0, signmask, nb_bits, count;
     int size = buf_size*8;
     int i;
diff --git a/libavcodec/aic.c b/libavcodec/aic.c
index dc28c83661..956d71fcff 100644
--- a/libavcodec/aic.c
+++ b/libavcodec/aic.c
@@ -42,9 +42,9 @@ enum AICBands {
     NUM_BANDS
 };
 
-static const int aic_num_band_coeffs[NUM_BANDS] = { 64, 32, 192, 96 };
+static const uint8_t aic_num_band_coeffs[NUM_BANDS] = { 64, 32, 192, 96 };
 
-static const int aic_band_off[NUM_BANDS] = { 0, 64, 96, 288 };
+static const uint16_t aic_band_off[NUM_BANDS] = { 0, 64, 96, 288 };
 
 static const uint8_t aic_quant_matrix[64] = {
      8, 16, 19, 22, 22, 26, 26, 27,
diff --git a/libavcodec/atrac3plus.c b/libavcodec/atrac3plus.c
index 3e3bba801b..9f964efb4d 100644
--- a/libavcodec/atrac3plus.c
+++ b/libavcodec/atrac3plus.c
@@ -81,8 +81,8 @@ av_cold void ff_atrac3p_init_vlcs(void)
 {
     int i, wl_vlc_offs, ct_vlc_offs, sf_vlc_offs, tab_offset;
 
-    static const int wl_nb_bits[4]  = { 2, 3, 5, 5 };
-    static const int wl_nb_codes[4] = { 3, 5, 8, 8 };
+    static const uint8_t wl_nb_bits[4]  = { 2, 3, 5, 5 };
+    static const uint8_t wl_nb_codes[4] = { 3, 5, 8, 8 };
     static const uint8_t * const wl_bits[4] = {
         atrac3p_wl_huff_bits1, atrac3p_wl_huff_bits2,
         atrac3p_wl_huff_bits3, atrac3p_wl_huff_bits4
@@ -95,8 +95,8 @@ av_cold void ff_atrac3p_init_vlcs(void)
         atrac3p_wl_huff_xlat1, atrac3p_wl_huff_xlat2, NULL, NULL
     };
 
-    static const int ct_nb_bits[4]  = { 3, 4, 4, 4 };
-    static const int ct_nb_codes[4] = { 4, 8, 8, 8 };
+    static const uint8_t ct_nb_bits[4]  = { 3, 4, 4, 4 };
+    static const uint8_t ct_nb_codes[4] = { 4, 8, 8, 8 };
     static const uint8_t * const ct_bits[4]  = {
         atrac3p_ct_huff_bits1, atrac3p_ct_huff_bits2,
         atrac3p_ct_huff_bits2, atrac3p_ct_huff_bits3
@@ -109,8 +109,8 @@ av_cold void ff_atrac3p_init_vlcs(void)
         NULL, NULL, atrac3p_ct_huff_xlat1, NULL
     };
 
-    static const int sf_nb_bits[8]  = {  9,  9,  9,  9,  6,  6,  7,  7 };
-    static const int sf_nb_codes[8] = { 64, 64, 64, 64, 16, 16, 16, 16 };
+    static const uint8_t sf_nb_bits[8]  = {  9,  9,  9,  9,  6,  6,  7,  7 };
+    static const uint8_t sf_nb_codes[8] = { 64, 64, 64, 64, 16, 16, 16, 16 };
     static const uint8_t  * const sf_bits[8]  = {
         atrac3p_sf_huff_bits1, atrac3p_sf_huff_bits1, atrac3p_sf_huff_bits2,
         atrac3p_sf_huff_bits3, atrac3p_sf_huff_bits4, atrac3p_sf_huff_bits4,
diff --git a/libavcodec/atrac3plusdsp.c b/libavcodec/atrac3plusdsp.c
index 96aa402c2b..ca3154e133 100644
--- a/libavcodec/atrac3plusdsp.c
+++ b/libavcodec/atrac3plusdsp.c
@@ -248,7 +248,7 @@ void ff_atrac3p_generate_tones(Atrac3pChanUnitCtx *ch_unit, AVFloatDSPContext *f
         out[i] += wavreg1[i] + wavreg2[i];
 }
 
-static const int subband_to_powgrp[ATRAC3P_SUBBANDS] = {
+static const uint8_t subband_to_powgrp[ATRAC3P_SUBBANDS] = {
     0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4
 };
 
@@ -411,7 +411,7 @@ static const float pwc_levs[16] = {
 };
 
 /** Map subband number to quant unit number. */
-static const int subband_to_qu[17] = {
+static const uint8_t subband_to_qu[17] = {
     0, 8, 12, 16, 18, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32
 };
 
diff --git a/libavcodec/atrac9dec.c b/libavcodec/atrac9dec.c
index 805d46f3b8..894c70c7fc 100644
--- a/libavcodec/atrac9dec.c
+++ b/libavcodec/atrac9dec.c
@@ -241,7 +241,7 @@ static inline int read_scalefactors(ATRAC9Context *s, ATRAC9BlockData *b,
                                     ATRAC9ChannelData *c, GetBitContext *gb,
                                     int channel_idx, int first_in_pkt)
 {
-    static const int mode_map[2][4] = { { 0, 1, 2, 3 }, { 0, 2, 3, 4 } };
+    static const uint8_t mode_map[2][4] = { { 0, 1, 2, 3 }, { 0, 2, 3, 4 } };
     const int mode = mode_map[channel_idx][get_bits(gb, 2)];
 
     memset(c->scalefactors, 0, sizeof(c->scalefactors));
diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c
index cdacd79fc4..26be6e590f 100644
--- a/libavcodec/cbs_h264_syntax_template.c
+++ b/libavcodec/cbs_h264_syntax_template.c
@@ -650,7 +650,7 @@ static int FUNC(sei_pic_timing)(CodedBitstreamContext *ctx, RWContext *rw,
     }
 
     if (sps->vui.pic_struct_present_flag) {
-        static const int num_clock_ts[9] = {
+        static const uint8_t num_clock_ts[9] = {
             1, 1, 1, 2, 2, 3, 3, 2, 3
         };
         int i;
diff --git a/libavcodec/cbs_vp9_syntax_template.c b/libavcodec/cbs_vp9_syntax_template.c
index 898cede329..125eb02589 100644
--- a/libavcodec/cbs_vp9_syntax_template.c
+++ b/libavcodec/cbs_vp9_syntax_template.c
@@ -206,8 +206,8 @@ static int FUNC(quantization_params)(CodedBitstreamContext *ctx, RWContext *rw,
 static int FUNC(segmentation_params)(CodedBitstreamContext *ctx, RWContext *rw,
                                      VP9RawFrameHeader *current)
 {
-    static const int segmentation_feature_bits[VP9_SEG_LVL_MAX]   = { 8, 6, 2, 0 };
-    static const int segmentation_feature_signed[VP9_SEG_LVL_MAX] = { 1, 1, 0, 0 };
+    static const uint8_t segmentation_feature_bits[VP9_SEG_LVL_MAX]   = { 8, 6, 2, 0 };
+    static const uint8_t segmentation_feature_signed[VP9_SEG_LVL_MAX] = { 1, 1, 0, 0 };
 
     int err, i, j;
 
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index acf3ffc9e7..f16462b1e9 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -353,7 +353,7 @@ static av_always_inline int inv_recenter_nonneg(int v, int m)
 // differential forward probability updates
 static int update_prob(VP56RangeCoder *c, int p)
 {
-    static const int inv_map_table[255] = {
+    static const uint8_t inv_map_table[255] = {
           7,  20,  33,  46,  59,  72,  85,  98, 111, 124, 137, 150, 163, 176,
         189, 202, 215, 228, 241, 254,   1,   2,   3,   4,   5,   6,   8,   9,
          10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  21,  22,  23,  24,