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-rw-r--r--vp8/decoder/dequantize.c25
-rw-r--r--vp8/encoder/dct.c4
-rw-r--r--vp8/encoder/encodemb.c12
-rw-r--r--vp8/encoder/quantize.c17
4 files changed, 55 insertions, 3 deletions
diff --git a/vp8/decoder/dequantize.c b/vp8/decoder/dequantize.c
index 956acba8f..903d44a3f 100644
--- a/vp8/decoder/dequantize.c
+++ b/vp8/decoder/dequantize.c
@@ -131,7 +131,11 @@ void vp8_dequantize_b_8x8_c(BLOCKD *d)//just for 2x2 haar transform
for (i = 0; i < 16; i++)
{
+#if CONFIG_EXTEND_QRANGE
+ DQ[i] = (short)((Q[i] * DQC[i]+2)>>2);
+#else
DQ[i] = (short)(Q[i] * DQC[i]);
+#endif
}
#ifdef DEC_DEBUG
if (dec_debug) {
@@ -163,10 +167,21 @@ void vp8_dequant_idct_add_8x8_c(short *input, short *dq, unsigned char *pred,
}
}
#endif
+
+#if CONFIG_EXTEND_QRANGE
+ input[0]= (input[0] * dq[0]+2)>>2;
+#else
+ input[0]= input[0] * dq[0];
+#endif
+
// recover quantizer for 4 4x4 blocks
- for (i = 0; i < 64; i++)
+ for (i = 1; i < 64; i++)
{
- input[i]=input[i] * dq[i!=0];
+#if CONFIG_EXTEND_QRANGE
+ input[i]=(input[i] * dq[1]+2)>>2;
+#else
+ input[i]=input[i] * dq[1];
+#endif
}
#ifdef DEC_DEBUG
if (dec_debug) {
@@ -259,7 +274,11 @@ void vp8_dequant_dc_idct_add_8x8_c(short *input, short *dq, unsigned char *pred,
#endif
for (i = 1; i < 64; i++)
{
- input[i] = input[i] * dq[i!=0];
+#if CONFIG_EXTEND_QRANGE
+ input[i]=(input[i] * dq[1]+2)>>2;
+#else
+ input[i]=input[i] * dq[1];
+#endif
}
#ifdef DEC_DEBUG
diff --git a/vp8/encoder/dct.c b/vp8/encoder/dct.c
index fd4c62cd4..5c386e224 100644
--- a/vp8/encoder/dct.c
+++ b/vp8/encoder/dct.c
@@ -36,7 +36,11 @@ void vp8_short_fdct8x8_c(short *block, short *coefs, int pitch)
{
for (j = 0; j < 8; j++)
{
+#if !CONFIG_EXTEND_QRANGE
b[j] = (float)( block[k + j]<<1);
+#else
+ b[j] = (float)( block[k + j]<<3);
+#endif
}
/* Horizontal transform */
for (j = 0; j < 4; j++)
diff --git a/vp8/encoder/encodemb.c b/vp8/encoder/encodemb.c
index 0711a1468..ead1686b5 100644
--- a/vp8/encoder/encodemb.c
+++ b/vp8/encoder/encodemb.c
@@ -1075,6 +1075,9 @@ void optimize_mb_8x8(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd)
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
+#if CONFIG_EXTEND_QRANGE
+return ;
+#endif
vpx_memcpy(&t_above, x->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, x->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
@@ -1164,6 +1167,11 @@ void vp8_optimize_mby_8x8(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd)
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
+#if CONFIG_EXTEND_QRANGE
+return ;
+#endif
+
+
if (!x->e_mbd.above_context)
return;
@@ -1228,6 +1236,10 @@ void vp8_optimize_mbuv_8x8(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd)
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
+#if CONFIG_EXTEND_QRANGE
+return ;
+#endif
+
if (!x->e_mbd.above_context)
return;
diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index e95fa60e6..8bbc0d0a5 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -458,6 +458,9 @@ void vp8_fast_quantize_b_2x2_c(BLOCK *b, BLOCKD *d)
qcoeff_ptr[rc] = x; // write to destination
//dqcoeff_ptr[rc] = x * dequant_ptr[rc] / q2nd; // dequantized value
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; // dequantized value
+#if CONFIG_EXTEND_QRANGE
+ dqcoeff_ptr[rc] = (dqcoeff_ptr[rc]+2)>>2;
+#endif
if (y)
{
@@ -506,6 +509,12 @@ void vp8_fast_quantize_b_8x8_c(BLOCK *b, BLOCKD *d)
qcoeff_ptr[rc] = x; // write to destination
//dqcoeff_ptr[rc] = x * dequant_ptr[rc!=0] / q1st; // dequantized value
dqcoeff_ptr[rc] = x * dequant_ptr[rc!=0]; // dequantized value
+
+#if CONFIG_EXTEND_QRANGE
+ dqcoeff_ptr[rc] = (dqcoeff_ptr[rc]+2)>>2;
+#endif
+
+
if (y)
{
eob = i; // last nonzero coeffs
@@ -562,6 +571,11 @@ void vp8_regular_quantize_b_2x2(BLOCK *b, BLOCKD *d)
//dqcoeff_ptr[rc] = x * dequant_ptr[rc]/q2nd; // dequantized value
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; // dequantized value
+#if CONFIG_EXTEND_QRANGE
+ dqcoeff_ptr[rc] = (dqcoeff_ptr[rc]+2)>>2;
+#endif
+
+
if (y)
{
eob = i; // last nonzero coeffs
@@ -620,6 +634,9 @@ void vp8_regular_quantize_b_8x8(BLOCK *b, BLOCKD *d)
qcoeff_ptr[rc] = x; // write to destination
//dqcoeff_ptr[rc] = x * dequant_ptr[rc!=0] / q1st; // dequantized value
dqcoeff_ptr[rc] = x * dequant_ptr[rc!=0]; // dequantized value
+#if CONFIG_EXTEND_QRANGE
+ dqcoeff_ptr[rc] = (dqcoeff_ptr[rc]+2)>>2;
+#endif
if (y)
{