diff --git a/libavcodec/alpha/dsputil_alpha.c b/libavcodec/alpha/dsputil_alpha.c
index 32bb0fc932..039608b9ed 100644
--- a/libavcodec/alpha/dsputil_alpha.c
+++ b/libavcodec/alpha/dsputil_alpha.c
@@ -335,7 +335,7 @@ void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx)
     put_pixels_clamped_axp_p = c->put_pixels_clamped;
     add_pixels_clamped_axp_p = c->add_pixels_clamped;
 
-    if (!avctx->lowres &&
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
         (avctx->idct_algo == FF_IDCT_AUTO ||
          avctx->idct_algo == FF_IDCT_SIMPLEALPHA)) {
         c->idct_put = ff_simple_idct_put_axp;
diff --git a/libavcodec/arm/dsputil_init_arm.c b/libavcodec/arm/dsputil_init_arm.c
index 777a2f954e..5b4b24a43e 100644
--- a/libavcodec/arm/dsputil_init_arm.c
+++ b/libavcodec/arm/dsputil_init_arm.c
@@ -80,7 +80,7 @@ void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
     ff_put_pixels_clamped = c->put_pixels_clamped;
     ff_add_pixels_clamped = c->add_pixels_clamped;
 
-    if (!avctx->lowres) {
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
         if(avctx->idct_algo == FF_IDCT_AUTO ||
            avctx->idct_algo == FF_IDCT_ARM){
             c->idct_put              = j_rev_dct_arm_put;
diff --git a/libavcodec/arm/dsputil_init_armv5te.c b/libavcodec/arm/dsputil_init_armv5te.c
index 572e06cf36..e0224dabfb 100644
--- a/libavcodec/arm/dsputil_init_armv5te.c
+++ b/libavcodec/arm/dsputil_init_armv5te.c
@@ -29,8 +29,9 @@ void ff_prefetch_arm(void *mem, int stride, int h);
 
 void av_cold ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx)
 {
-    if (!avctx->lowres && (avctx->idct_algo == FF_IDCT_AUTO ||
-                           avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
+        (avctx->idct_algo == FF_IDCT_AUTO ||
+         avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
         c->idct_put              = ff_simple_idct_put_armv5te;
         c->idct_add              = ff_simple_idct_add_armv5te;
         c->idct                  = ff_simple_idct_armv5te;
diff --git a/libavcodec/arm/dsputil_init_armv6.c b/libavcodec/arm/dsputil_init_armv6.c
index 7584aeefc6..d442415aec 100644
--- a/libavcodec/arm/dsputil_init_armv6.c
+++ b/libavcodec/arm/dsputil_init_armv6.c
@@ -74,8 +74,9 @@ void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
 {
     const int high_bit_depth = avctx->codec_id == CODEC_ID_H264 && avctx->bits_per_raw_sample > 8;
 
-    if (!avctx->lowres && (avctx->idct_algo == FF_IDCT_AUTO ||
-                           avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
+        (avctx->idct_algo == FF_IDCT_AUTO ||
+         avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
         c->idct_put              = ff_simple_idct_put_armv6;
         c->idct_add              = ff_simple_idct_add_armv6;
         c->idct                  = ff_simple_idct_armv6;
diff --git a/libavcodec/arm/dsputil_init_neon.c b/libavcodec/arm/dsputil_init_neon.c
index 3f58dea9cd..ce45caf53e 100644
--- a/libavcodec/arm/dsputil_init_neon.c
+++ b/libavcodec/arm/dsputil_init_neon.c
@@ -177,7 +177,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
 {
     const int high_bit_depth = avctx->codec_id == CODEC_ID_H264 && avctx->bits_per_raw_sample > 8;
 
-    if (!avctx->lowres) {
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
         if (avctx->idct_algo == FF_IDCT_AUTO ||
             avctx->idct_algo == FF_IDCT_SIMPLENEON) {
             c->idct_put              = ff_simple_idct_put_neon;
diff --git a/libavcodec/bfin/dsputil_bfin.c b/libavcodec/bfin/dsputil_bfin.c
index 0db2d8baf8..d06bd8e4fd 100644
--- a/libavcodec/bfin/dsputil_bfin.c
+++ b/libavcodec/bfin/dsputil_bfin.c
@@ -256,16 +256,18 @@ void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )
     if (avctx->dct_algo == FF_DCT_AUTO)
         c->fdct               = ff_bfin_fdct;
 
-    if (avctx->idct_algo==FF_IDCT_VP3) {
-        c->idct_permutation_type = FF_NO_IDCT_PERM;
-        c->idct               = ff_bfin_vp3_idct;
-        c->idct_add           = ff_bfin_vp3_idct_add;
-        c->idct_put           = ff_bfin_vp3_idct_put;
-    } else if (avctx->idct_algo == FF_IDCT_AUTO) {
-        c->idct_permutation_type = FF_NO_IDCT_PERM;
-        c->idct               = ff_bfin_idct;
-        c->idct_add           = bfin_idct_add;
-        c->idct_put           = bfin_idct_put;
+    if (avctx->bits_per_raw_sample <= 8) {
+        if (avctx->idct_algo == FF_IDCT_VP3) {
+            c->idct_permutation_type = FF_NO_IDCT_PERM;
+            c->idct                  = ff_bfin_vp3_idct;
+            c->idct_add              = ff_bfin_vp3_idct_add;
+            c->idct_put              = ff_bfin_vp3_idct_put;
+        } else if (avctx->idct_algo == FF_IDCT_AUTO) {
+            c->idct_permutation_type = FF_NO_IDCT_PERM;
+            c->idct                  = ff_bfin_idct;
+            c->idct_add              = bfin_idct_add;
+            c->idct_put              = bfin_idct_put;
+        }
     }
 }
 
diff --git a/libavcodec/dct-test.c b/libavcodec/dct-test.c
index dbf9639c1e..136f5c4742 100644
--- a/libavcodec/dct-test.c
+++ b/libavcodec/dct-test.c
@@ -111,7 +111,7 @@ static const struct algo idct_tab[] = {
     { "FAANI",          ff_faanidct,           NO_PERM  },
     { "REF-DBL",        ff_ref_idct,           NO_PERM  },
     { "INT",            j_rev_dct,             MMX_PERM },
-    { "SIMPLE-C",       ff_simple_idct,        NO_PERM  },
+    { "SIMPLE-C",       ff_simple_idct_8,      NO_PERM  },
 
 #if HAVE_MMX
 #if CONFIG_GPL
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index e2cf708940..4b26f68387 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -2237,7 +2237,7 @@ static int quant_psnr8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *s
 
     s->block_last_index[0/*FIXME*/]= s->fast_dct_quantize(s, temp, 0/*FIXME*/, s->qscale, &i);
     s->dct_unquantize_inter(s, temp, 0, s->qscale);
-    ff_simple_idct(temp); //FIXME
+    ff_simple_idct_8(temp); //FIXME
 
     for(i=0; i<64; i++)
         sum+= (temp[i]-bak[i])*(temp[i]-bak[i]);
@@ -2878,6 +2878,12 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
         c->idct    = j_rev_dct1;
         c->idct_permutation_type= FF_NO_IDCT_PERM;
     }else{
+        if (avctx->bits_per_raw_sample == 10) {
+            c->idct_put              = ff_simple_idct_put_10;
+            c->idct_add              = ff_simple_idct_add_10;
+            c->idct                  = ff_simple_idct_10;
+            c->idct_permutation_type = FF_NO_IDCT_PERM;
+        } else {
         if(avctx->idct_algo==FF_IDCT_INT){
             c->idct_put= ff_jref_idct_put;
             c->idct_add= ff_jref_idct_add;
@@ -2908,11 +2914,12 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
             c->idct_put = ff_bink_idct_put_c;
             c->idct_permutation_type = FF_NO_IDCT_PERM;
         }else{ //accurate/default
-            c->idct_put= ff_simple_idct_put;
-            c->idct_add= ff_simple_idct_add;
-            c->idct    = ff_simple_idct;
+            c->idct_put = ff_simple_idct_put_8;
+            c->idct_add = ff_simple_idct_add_8;
+            c->idct     = ff_simple_idct_8;
             c->idct_permutation_type= FF_NO_IDCT_PERM;
         }
+        }
     }
 
     c->get_pixels = get_pixels_c;
diff --git a/libavcodec/ppc/dsputil_ppc.c b/libavcodec/ppc/dsputil_ppc.c
index 3bf410c2ca..c1f68fc5f7 100644
--- a/libavcodec/ppc/dsputil_ppc.c
+++ b/libavcodec/ppc/dsputil_ppc.c
@@ -178,7 +178,7 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
         }
 #endif //CONFIG_ENCODERS
 
-        if (avctx->lowres==0) {
+        if (avctx->lowres == 0 && avctx->bits_per_raw_sample <= 8) {
             if ((avctx->idct_algo == FF_IDCT_AUTO) ||
                 (avctx->idct_algo == FF_IDCT_ALTIVEC)) {
                 c->idct_put = idct_put_altivec;
diff --git a/libavcodec/ps2/dsputil_mmi.c b/libavcodec/ps2/dsputil_mmi.c
index f4503a9030..585709679b 100644
--- a/libavcodec/ps2/dsputil_mmi.c
+++ b/libavcodec/ps2/dsputil_mmi.c
@@ -156,7 +156,8 @@ void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx)
 
     c->get_pixels = get_pixels_mmi;
 
-    if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_PS2){
+    if (avctx->bits_per_raw_sample <= 8 &&
+        (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_PS2)) {
         c->idct_put= ff_mmi_idct_put;
         c->idct_add= ff_mmi_idct_add;
         c->idct    = ff_mmi_idct;
diff --git a/libavcodec/sh4/dsputil_sh4.c b/libavcodec/sh4/dsputil_sh4.c
index 9ea48ad4a1..bf58a9cbbd 100644
--- a/libavcodec/sh4/dsputil_sh4.c
+++ b/libavcodec/sh4/dsputil_sh4.c
@@ -97,7 +97,8 @@ void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx)
 
         if (!high_bit_depth)
         c->clear_blocks = clear_blocks_sh4;
-        if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4){
+        if (avctx->bits_per_raw_sample <= 8 &&
+            (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4)) {
                 c->idct_put = idct_put;
                 c->idct_add = idct_add;
                c->idct     = idct_sh4;
diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c
index 0ffbfcaf33..b62658bdb3 100644
--- a/libavcodec/simple_idct.c
+++ b/libavcodec/simple_idct.c
@@ -25,339 +25,19 @@
  * simpleidct in C.
  */
 
-/*
-  based upon some outcommented c code from mpeg2dec (idct_mmx.c
-  written by Aaron Holtzman <aholtzma@ess.engr.uvic.ca>)
- */
-
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mathops.h"
 #include "simple_idct.h"
 
-#define W1  22725  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W2  21407  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W3  19266  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W4  16383  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W5  12873  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W6  8867   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define W7  4520   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define ROW_SHIFT 11
-#define COL_SHIFT 20 // 6
+#define BIT_DEPTH 8
+#include "simple_idct_template.c"
+#undef BIT_DEPTH
 
-static inline void idctRowCondDC (DCTELEM * row)
-{
-        int a0, a1, a2, a3, b0, b1, b2, b3;
-
-#if HAVE_FAST_64BIT
-#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
-        if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
-            uint64_t temp = (row[0] << 3) & 0xffff;
-            temp += temp << 16;
-            temp += temp << 32;
-            ((uint64_t *)row)[0] = temp;
-            ((uint64_t *)row)[1] = temp;
-            return;
-        }
-#else
-        if (!(((uint32_t*)row)[1] |
-              ((uint32_t*)row)[2] |
-              ((uint32_t*)row)[3] |
-              row[1])) {
-            uint32_t temp = (row[0] << 3) & 0xffff;
-            temp += temp << 16;
-            ((uint32_t*)row)[0]=((uint32_t*)row)[1] =
-                ((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
-            return;
-        }
-#endif
-
-        a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1));
-        a1 = a0;
-        a2 = a0;
-        a3 = a0;
-
-        /* no need to optimize : gcc does it */
-        a0 += W2 * row[2];
-        a1 += W6 * row[2];
-        a2 -= W6 * row[2];
-        a3 -= W2 * row[2];
-
-        b0 = MUL16(W1, row[1]);
-        MAC16(b0, W3, row[3]);
-        b1 = MUL16(W3, row[1]);
-        MAC16(b1, -W7, row[3]);
-        b2 = MUL16(W5, row[1]);
-        MAC16(b2, -W1, row[3]);
-        b3 = MUL16(W7, row[1]);
-        MAC16(b3, -W5, row[3]);
-
-        if (AV_RN64A(row + 4)) {
-            a0 += W4*row[4] + W6*row[6];
-            a1 += - W4*row[4] - W2*row[6];
-            a2 += - W4*row[4] + W2*row[6];
-            a3 += W4*row[4] - W6*row[6];
-
-            MAC16(b0, W5, row[5]);
-            MAC16(b0, W7, row[7]);
-
-            MAC16(b1, -W1, row[5]);
-            MAC16(b1, -W5, row[7]);
-
-            MAC16(b2, W7, row[5]);
-            MAC16(b2, W3, row[7]);
-
-            MAC16(b3, W3, row[5]);
-            MAC16(b3, -W1, row[7]);
-        }
-
-        row[0] = (a0 + b0) >> ROW_SHIFT;
-        row[7] = (a0 - b0) >> ROW_SHIFT;
-        row[1] = (a1 + b1) >> ROW_SHIFT;
-        row[6] = (a1 - b1) >> ROW_SHIFT;
-        row[2] = (a2 + b2) >> ROW_SHIFT;
-        row[5] = (a2 - b2) >> ROW_SHIFT;
-        row[3] = (a3 + b3) >> ROW_SHIFT;
-        row[4] = (a3 - b3) >> ROW_SHIFT;
-}
-
-static inline void idctSparseColPut (uint8_t *dest, int line_size,
-                                     DCTELEM * col)
-{
-        int a0, a1, a2, a3, b0, b1, b2, b3;
-        uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-
-        /* XXX: I did that only to give same values as previous code */
-        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
-        a1 = a0;
-        a2 = a0;
-        a3 = a0;
-
-        a0 +=  + W2*col[8*2];
-        a1 +=  + W6*col[8*2];
-        a2 +=  - W6*col[8*2];
-        a3 +=  - W2*col[8*2];
-
-        b0 = MUL16(W1, col[8*1]);
-        b1 = MUL16(W3, col[8*1]);
-        b2 = MUL16(W5, col[8*1]);
-        b3 = MUL16(W7, col[8*1]);
-
-        MAC16(b0, + W3, col[8*3]);
-        MAC16(b1, - W7, col[8*3]);
-        MAC16(b2, - W1, col[8*3]);
-        MAC16(b3, - W5, col[8*3]);
-
-        if(col[8*4]){
-            a0 += + W4*col[8*4];
-            a1 += - W4*col[8*4];
-            a2 += - W4*col[8*4];
-            a3 += + W4*col[8*4];
-        }
-
-        if (col[8*5]) {
-            MAC16(b0, + W5, col[8*5]);
-            MAC16(b1, - W1, col[8*5]);
-            MAC16(b2, + W7, col[8*5]);
-            MAC16(b3, + W3, col[8*5]);
-        }
-
-        if(col[8*6]){
-            a0 += + W6*col[8*6];
-            a1 += - W2*col[8*6];
-            a2 += + W2*col[8*6];
-            a3 += - W6*col[8*6];
-        }
-
-        if (col[8*7]) {
-            MAC16(b0, + W7, col[8*7]);
-            MAC16(b1, - W5, col[8*7]);
-            MAC16(b2, + W3, col[8*7]);
-            MAC16(b3, - W1, col[8*7]);
-        }
-
-        dest[0] = cm[(a0 + b0) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a1 + b1) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a2 + b2) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a3 + b3) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a3 - b3) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a2 - b2) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a1 - b1) >> COL_SHIFT];
-        dest += line_size;
-        dest[0] = cm[(a0 - b0) >> COL_SHIFT];
-}
-
-static inline void idctSparseColAdd (uint8_t *dest, int line_size,
-                                     DCTELEM * col)
-{
-        int a0, a1, a2, a3, b0, b1, b2, b3;
-        uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-
-        /* XXX: I did that only to give same values as previous code */
-        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
-        a1 = a0;
-        a2 = a0;
-        a3 = a0;
-
-        a0 +=  + W2*col[8*2];
-        a1 +=  + W6*col[8*2];
-        a2 +=  - W6*col[8*2];
-        a3 +=  - W2*col[8*2];
-
-        b0 = MUL16(W1, col[8*1]);
-        b1 = MUL16(W3, col[8*1]);
-        b2 = MUL16(W5, col[8*1]);
-        b3 = MUL16(W7, col[8*1]);
-
-        MAC16(b0, + W3, col[8*3]);
-        MAC16(b1, - W7, col[8*3]);
-        MAC16(b2, - W1, col[8*3]);
-        MAC16(b3, - W5, col[8*3]);
-
-        if(col[8*4]){
-            a0 += + W4*col[8*4];
-            a1 += - W4*col[8*4];
-            a2 += - W4*col[8*4];
-            a3 += + W4*col[8*4];
-        }
-
-        if (col[8*5]) {
-            MAC16(b0, + W5, col[8*5]);
-            MAC16(b1, - W1, col[8*5]);
-            MAC16(b2, + W7, col[8*5]);
-            MAC16(b3, + W3, col[8*5]);
-        }
-
-        if(col[8*6]){
-            a0 += + W6*col[8*6];
-            a1 += - W2*col[8*6];
-            a2 += + W2*col[8*6];
-            a3 += - W6*col[8*6];
-        }
-
-        if (col[8*7]) {
-            MAC16(b0, + W7, col[8*7]);
-            MAC16(b1, - W5, col[8*7]);
-            MAC16(b2, + W3, col[8*7]);
-            MAC16(b3, - W1, col[8*7]);
-        }
-
-        dest[0] = cm[dest[0] + ((a0 + b0) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a1 + b1) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a2 + b2) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a3 + b3) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a3 - b3) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a2 - b2) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a1 - b1) >> COL_SHIFT)];
-        dest += line_size;
-        dest[0] = cm[dest[0] + ((a0 - b0) >> COL_SHIFT)];
-}
-
-static inline void idctSparseCol (DCTELEM * col)
-{
-        int a0, a1, a2, a3, b0, b1, b2, b3;
-
-        /* XXX: I did that only to give same values as previous code */
-        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
-        a1 = a0;
-        a2 = a0;
-        a3 = a0;
-
-        a0 +=  + W2*col[8*2];
-        a1 +=  + W6*col[8*2];
-        a2 +=  - W6*col[8*2];
-        a3 +=  - W2*col[8*2];
-
-        b0 = MUL16(W1, col[8*1]);
-        b1 = MUL16(W3, col[8*1]);
-        b2 = MUL16(W5, col[8*1]);
-        b3 = MUL16(W7, col[8*1]);
-
-        MAC16(b0, + W3, col[8*3]);
-        MAC16(b1, - W7, col[8*3]);
-        MAC16(b2, - W1, col[8*3]);
-        MAC16(b3, - W5, col[8*3]);
-
-        if(col[8*4]){
-            a0 += + W4*col[8*4];
-            a1 += - W4*col[8*4];
-            a2 += - W4*col[8*4];
-            a3 += + W4*col[8*4];
-        }
-
-        if (col[8*5]) {
-            MAC16(b0, + W5, col[8*5]);
-            MAC16(b1, - W1, col[8*5]);
-            MAC16(b2, + W7, col[8*5]);
-            MAC16(b3, + W3, col[8*5]);
-        }
-
-        if(col[8*6]){
-            a0 += + W6*col[8*6];
-            a1 += - W2*col[8*6];
-            a2 += + W2*col[8*6];
-            a3 += - W6*col[8*6];
-        }
-
-        if (col[8*7]) {
-            MAC16(b0, + W7, col[8*7]);
-            MAC16(b1, - W5, col[8*7]);
-            MAC16(b2, + W3, col[8*7]);
-            MAC16(b3, - W1, col[8*7]);
-        }
-
-        col[0 ] = ((a0 + b0) >> COL_SHIFT);
-        col[8 ] = ((a1 + b1) >> COL_SHIFT);
-        col[16] = ((a2 + b2) >> COL_SHIFT);
-        col[24] = ((a3 + b3) >> COL_SHIFT);
-        col[32] = ((a3 - b3) >> COL_SHIFT);
-        col[40] = ((a2 - b2) >> COL_SHIFT);
-        col[48] = ((a1 - b1) >> COL_SHIFT);
-        col[56] = ((a0 - b0) >> COL_SHIFT);
-}
-
-void ff_simple_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
-{
-    int i;
-    for(i=0; i<8; i++)
-        idctRowCondDC(block + i*8);
-
-    for(i=0; i<8; i++)
-        idctSparseColPut(dest + i, line_size, block + i);
-}
-
-void ff_simple_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
-{
-    int i;
-    for(i=0; i<8; i++)
-        idctRowCondDC(block + i*8);
-
-    for(i=0; i<8; i++)
-        idctSparseColAdd(dest + i, line_size, block + i);
-}
-
-void ff_simple_idct(DCTELEM *block)
-{
-    int i;
-    for(i=0; i<8; i++)
-        idctRowCondDC(block + i*8);
-
-    for(i=0; i<8; i++)
-        idctSparseCol(block + i);
-}
+#define BIT_DEPTH 10
+#include "simple_idct_template.c"
+#undef BIT_DEPTH
 
 /* 2x4x8 idct */
 
@@ -428,7 +108,7 @@ void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block)
 
     /* IDCT8 on each line */
     for(i=0; i<8; i++) {
-        idctRowCondDC(block + i*8);
+        idctRowCondDC_8(block + i*8);
     }
 
     /* IDCT4 and store */
@@ -503,7 +183,7 @@ void ff_simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block)
 
     /* IDCT8 on each line */
     for(i=0; i<4; i++) {
-        idctRowCondDC(block + i*8);
+        idctRowCondDC_8(block + i*8);
     }
 
     /* IDCT4 and store */
@@ -523,7 +203,7 @@ void ff_simple_idct48_add(uint8_t *dest, int line_size, DCTELEM *block)
 
     /* IDCT8 and store */
     for(i=0; i<4; i++){
-        idctSparseColAdd(dest + i, line_size, block + i);
+        idctSparseColAdd_8(dest + i, line_size, block + i);
     }
 }
 
diff --git a/libavcodec/simple_idct.h b/libavcodec/simple_idct.h
index 23bae9c2fe..a33eb964ce 100644
--- a/libavcodec/simple_idct.h
+++ b/libavcodec/simple_idct.h
@@ -31,12 +31,17 @@
 #include <stdint.h>
 #include "dsputil.h"
 
-void ff_simple_idct_put(uint8_t *dest, int line_size, DCTELEM *block);
-void ff_simple_idct_add(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_put_8(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_add_8(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_8(DCTELEM *block);
+
+void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_10(DCTELEM *block);
+
 void ff_simple_idct_mmx(int16_t *block);
 void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
 void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
-void ff_simple_idct(DCTELEM *block);
 
 void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block);
 
diff --git a/libavcodec/simple_idct_template.c b/libavcodec/simple_idct_template.c
new file mode 100644
index 0000000000..be49cb9570
--- /dev/null
+++ b/libavcodec/simple_idct_template.c
@@ -0,0 +1,401 @@
+/*
+ * Simple IDCT
+ *
+ * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * simpleidct in C.
+ */
+
+/*
+  based upon some outcommented c code from mpeg2dec (idct_mmx.c
+  written by Aaron Holtzman <aholtzma@ess.engr.uvic.ca>)
+ */
+
+#include "bit_depth_template.c"
+
+#undef W1
+#undef W2
+#undef W3
+#undef W4
+#undef W5
+#undef W6
+#undef W7
+#undef ROW_SHIFT
+#undef COL_SHIFT
+#undef DC_SHIFT
+#undef MUL
+#undef MAC
+
+#if BIT_DEPTH == 8
+
+#define W1  22725  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W2  21407  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W3  19266  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W4  16383  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W5  12873  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W6  8867   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define W7  4520   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+
+#define ROW_SHIFT 11
+#define COL_SHIFT 20
+#define DC_SHIFT 3
+
+#define MUL(a, b)    MUL16(a, b)
+#define MAC(a, b, c) MAC16(a, b, c)
+
+#elif BIT_DEPTH == 10
+
+#define W1 90901
+#define W2 85627
+#define W3 77062
+#define W4 65535
+#define W5 51491
+#define W6 35468
+#define W7 18081
+
+#define ROW_SHIFT 15
+#define COL_SHIFT 20
+#define DC_SHIFT 1
+
+#define MUL(a, b)    ((a) * (b))
+#define MAC(a, b, c) ((a) += (b) * (c))
+
+#else
+
+#error "Unsupported bitdepth"
+
+#endif
+
+static inline void FUNC(idctRowCondDC)(DCTELEM *row)
+{
+        int a0, a1, a2, a3, b0, b1, b2, b3;
+
+#if HAVE_FAST_64BIT
+#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
+        if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
+            uint64_t temp = (row[0] << DC_SHIFT) & 0xffff;
+            temp += temp << 16;
+            temp += temp << 32;
+            ((uint64_t *)row)[0] = temp;
+            ((uint64_t *)row)[1] = temp;
+            return;
+        }
+#else
+        if (!(((uint32_t*)row)[1] |
+              ((uint32_t*)row)[2] |
+              ((uint32_t*)row)[3] |
+              row[1])) {
+            uint32_t temp = (row[0] << DC_SHIFT) & 0xffff;
+            temp += temp << 16;
+            ((uint32_t*)row)[0]=((uint32_t*)row)[1] =
+                ((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
+            return;
+        }
+#endif
+
+        a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1));
+        a1 = a0;
+        a2 = a0;
+        a3 = a0;
+
+        /* no need to optimize : gcc does it */
+        a0 += W2 * row[2];
+        a1 += W6 * row[2];
+        a2 -= W6 * row[2];
+        a3 -= W2 * row[2];
+
+        b0 = MUL(W1, row[1]);
+        MAC(b0, W3, row[3]);
+        b1 = MUL(W3, row[1]);
+        MAC(b1, -W7, row[3]);
+        b2 = MUL(W5, row[1]);
+        MAC(b2, -W1, row[3]);
+        b3 = MUL(W7, row[1]);
+        MAC(b3, -W5, row[3]);
+
+        if (AV_RN64A(row + 4)) {
+            a0 += W4*row[4] + W6*row[6];
+            a1 += - W4*row[4] - W2*row[6];
+            a2 += - W4*row[4] + W2*row[6];
+            a3 += W4*row[4] - W6*row[6];
+
+            MAC(b0, W5, row[5]);
+            MAC(b0, W7, row[7]);
+
+            MAC(b1, -W1, row[5]);
+            MAC(b1, -W5, row[7]);
+
+            MAC(b2, W7, row[5]);
+            MAC(b2, W3, row[7]);
+
+            MAC(b3, W3, row[5]);
+            MAC(b3, -W1, row[7]);
+        }
+
+        row[0] = (a0 + b0) >> ROW_SHIFT;
+        row[7] = (a0 - b0) >> ROW_SHIFT;
+        row[1] = (a1 + b1) >> ROW_SHIFT;
+        row[6] = (a1 - b1) >> ROW_SHIFT;
+        row[2] = (a2 + b2) >> ROW_SHIFT;
+        row[5] = (a2 - b2) >> ROW_SHIFT;
+        row[3] = (a3 + b3) >> ROW_SHIFT;
+        row[4] = (a3 - b3) >> ROW_SHIFT;
+}
+
+static inline void FUNC(idctSparseColPut)(pixel *dest, int line_size,
+                                          DCTELEM *col)
+{
+        int a0, a1, a2, a3, b0, b1, b2, b3;
+        INIT_CLIP;
+
+        /* XXX: I did that only to give same values as previous code */
+        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
+        a1 = a0;
+        a2 = a0;
+        a3 = a0;
+
+        a0 +=  + W2*col[8*2];
+        a1 +=  + W6*col[8*2];
+        a2 +=  - W6*col[8*2];
+        a3 +=  - W2*col[8*2];
+
+        b0 = MUL(W1, col[8*1]);
+        b1 = MUL(W3, col[8*1]);
+        b2 = MUL(W5, col[8*1]);
+        b3 = MUL(W7, col[8*1]);
+
+        MAC(b0, + W3, col[8*3]);
+        MAC(b1, - W7, col[8*3]);
+        MAC(b2, - W1, col[8*3]);
+        MAC(b3, - W5, col[8*3]);
+
+        if(col[8*4]){
+            a0 += + W4*col[8*4];
+            a1 += - W4*col[8*4];
+            a2 += - W4*col[8*4];
+            a3 += + W4*col[8*4];
+        }
+
+        if (col[8*5]) {
+            MAC(b0, + W5, col[8*5]);
+            MAC(b1, - W1, col[8*5]);
+            MAC(b2, + W7, col[8*5]);
+            MAC(b3, + W3, col[8*5]);
+        }
+
+        if(col[8*6]){
+            a0 += + W6*col[8*6];
+            a1 += - W2*col[8*6];
+            a2 += + W2*col[8*6];
+            a3 += - W6*col[8*6];
+        }
+
+        if (col[8*7]) {
+            MAC(b0, + W7, col[8*7]);
+            MAC(b1, - W5, col[8*7]);
+            MAC(b2, + W3, col[8*7]);
+            MAC(b3, - W1, col[8*7]);
+        }
+
+        dest[0] = CLIP((a0 + b0) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a1 + b1) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a2 + b2) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a3 + b3) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a3 - b3) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a2 - b2) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a1 - b1) >> COL_SHIFT);
+        dest += line_size;
+        dest[0] = CLIP((a0 - b0) >> COL_SHIFT);
+}
+
+static inline void FUNC(idctSparseColAdd)(pixel *dest, int line_size,
+                                          DCTELEM *col)
+{
+        int a0, a1, a2, a3, b0, b1, b2, b3;
+        INIT_CLIP;
+
+        /* XXX: I did that only to give same values as previous code */
+        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
+        a1 = a0;
+        a2 = a0;
+        a3 = a0;
+
+        a0 +=  + W2*col[8*2];
+        a1 +=  + W6*col[8*2];
+        a2 +=  - W6*col[8*2];
+        a3 +=  - W2*col[8*2];
+
+        b0 = MUL(W1, col[8*1]);
+        b1 = MUL(W3, col[8*1]);
+        b2 = MUL(W5, col[8*1]);
+        b3 = MUL(W7, col[8*1]);
+
+        MAC(b0, + W3, col[8*3]);
+        MAC(b1, - W7, col[8*3]);
+        MAC(b2, - W1, col[8*3]);
+        MAC(b3, - W5, col[8*3]);
+
+        if(col[8*4]){
+            a0 += + W4*col[8*4];
+            a1 += - W4*col[8*4];
+            a2 += - W4*col[8*4];
+            a3 += + W4*col[8*4];
+        }
+
+        if (col[8*5]) {
+            MAC(b0, + W5, col[8*5]);
+            MAC(b1, - W1, col[8*5]);
+            MAC(b2, + W7, col[8*5]);
+            MAC(b3, + W3, col[8*5]);
+        }
+
+        if(col[8*6]){
+            a0 += + W6*col[8*6];
+            a1 += - W2*col[8*6];
+            a2 += + W2*col[8*6];
+            a3 += - W6*col[8*6];
+        }
+
+        if (col[8*7]) {
+            MAC(b0, + W7, col[8*7]);
+            MAC(b1, - W5, col[8*7]);
+            MAC(b2, + W3, col[8*7]);
+            MAC(b3, - W1, col[8*7]);
+        }
+
+        dest[0] = CLIP(dest[0] + ((a0 + b0) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a1 + b1) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a2 + b2) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a3 + b3) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a3 - b3) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a2 - b2) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a1 - b1) >> COL_SHIFT));
+        dest += line_size;
+        dest[0] = CLIP(dest[0] + ((a0 - b0) >> COL_SHIFT));
+}
+
+static inline void FUNC(idctSparseCol)(DCTELEM *col)
+{
+        int a0, a1, a2, a3, b0, b1, b2, b3;
+
+        /* XXX: I did that only to give same values as previous code */
+        a0 = W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4));
+        a1 = a0;
+        a2 = a0;
+        a3 = a0;
+
+        a0 +=  + W2*col[8*2];
+        a1 +=  + W6*col[8*2];
+        a2 +=  - W6*col[8*2];
+        a3 +=  - W2*col[8*2];
+
+        b0 = MUL(W1, col[8*1]);
+        b1 = MUL(W3, col[8*1]);
+        b2 = MUL(W5, col[8*1]);
+        b3 = MUL(W7, col[8*1]);
+
+        MAC(b0, + W3, col[8*3]);
+        MAC(b1, - W7, col[8*3]);
+        MAC(b2, - W1, col[8*3]);
+        MAC(b3, - W5, col[8*3]);
+
+        if(col[8*4]){
+            a0 += + W4*col[8*4];
+            a1 += - W4*col[8*4];
+            a2 += - W4*col[8*4];
+            a3 += + W4*col[8*4];
+        }
+
+        if (col[8*5]) {
+            MAC(b0, + W5, col[8*5]);
+            MAC(b1, - W1, col[8*5]);
+            MAC(b2, + W7, col[8*5]);
+            MAC(b3, + W3, col[8*5]);
+        }
+
+        if(col[8*6]){
+            a0 += + W6*col[8*6];
+            a1 += - W2*col[8*6];
+            a2 += + W2*col[8*6];
+            a3 += - W6*col[8*6];
+        }
+
+        if (col[8*7]) {
+            MAC(b0, + W7, col[8*7]);
+            MAC(b1, - W5, col[8*7]);
+            MAC(b2, + W3, col[8*7]);
+            MAC(b3, - W1, col[8*7]);
+        }
+
+        col[0 ] = ((a0 + b0) >> COL_SHIFT);
+        col[8 ] = ((a1 + b1) >> COL_SHIFT);
+        col[16] = ((a2 + b2) >> COL_SHIFT);
+        col[24] = ((a3 + b3) >> COL_SHIFT);
+        col[32] = ((a3 - b3) >> COL_SHIFT);
+        col[40] = ((a2 - b2) >> COL_SHIFT);
+        col[48] = ((a1 - b1) >> COL_SHIFT);
+        col[56] = ((a0 - b0) >> COL_SHIFT);
+}
+
+void FUNC(ff_simple_idct_put)(uint8_t *dest_, int line_size, DCTELEM *block)
+{
+    pixel *dest = (pixel *)dest_;
+    int i;
+    for(i=0; i<8; i++)
+        FUNC(idctRowCondDC)(block + i*8);
+
+    for(i=0; i<8; i++)
+        FUNC(idctSparseColPut)(dest + i, line_size, block + i);
+}
+
+void FUNC(ff_simple_idct_add)(uint8_t *dest_, int line_size, DCTELEM *block)
+{
+    pixel *dest = (pixel *)dest_;
+    int i;
+    for(i=0; i<8; i++)
+        FUNC(idctRowCondDC)(block + i*8);
+
+    for(i=0; i<8; i++)
+        FUNC(idctSparseColAdd)(dest + i, line_size, block + i);
+}
+
+void FUNC(ff_simple_idct)(DCTELEM *block)
+{
+    int i;
+    for(i=0; i<8; i++)
+        FUNC(idctRowCondDC)(block + i*8);
+
+    for(i=0; i<8; i++)
+        FUNC(idctSparseCol)(block + i);
+}
diff --git a/libavcodec/sparc/dsputil_vis.c b/libavcodec/sparc/dsputil_vis.c
index ab9258b2b9..9811b2622e 100644
--- a/libavcodec/sparc/dsputil_vis.c
+++ b/libavcodec/sparc/dsputil_vis.c
@@ -3956,7 +3956,8 @@ void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx)
   const int high_bit_depth = avctx->codec_id == CODEC_ID_H264 && avctx->bits_per_raw_sample > 8;
 
   if (accel & ACCEL_SPARC_VIS) {
-      if(avctx->idct_algo==FF_IDCT_SIMPLEVIS){
+      if (avctx->bits_per_raw_sample <= 8 &&
+          avctx->idct_algo == FF_IDCT_SIMPLEVIS) {
           c->idct_put = ff_simple_idct_put_vis;
           c->idct_add = ff_simple_idct_add_vis;
           c->idct     = ff_simple_idct_vis;
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 32869b97d1..1f83dd27b8 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -337,11 +337,11 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte
     v->res_fasttx = get_bits1(gb);
     if (!v->res_fasttx)
     {
-        v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct;
+        v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8;
         v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
         v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
         v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
-        v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add;
+        v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8;
         v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;
         v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;
         v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index 29fff276ad..84ae47b04d 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -2465,7 +2465,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
     if (mm_flags & AV_CPU_FLAG_MMX) {
         const int idct_algo= avctx->idct_algo;
 
-        if(avctx->lowres==0){
+        if (avctx->lowres == 0 && avctx->bits_per_raw_sample <= 8) {
             if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SIMPLEMMX){
                 c->idct_put= ff_simple_idct_put_mmx;
                 c->idct_add= ff_simple_idct_add_mmx;