Commit aa25f6a3 authored by Scott LaVarnway's avatar Scott LaVarnway Committed by Gerrit Code Review
Browse files

Merge "Remove unnecessary vp9_copy_memNxN() calls" into experimental

parents 815e95fb 02162f1b
......@@ -127,9 +127,7 @@ void vp9_dequant_idct_add_c(int16_t *input, const int16_t *dq, uint8_t *pred,
// the idct halves ( >> 1) the pitch
vp9_short_idct4x4(input, output, 4 << 1);
vpx_memset(input, 0, 32);
vp9_add_residual_4x4(output, pred, pitch, dest, stride);
} else {
vp9_dc_only_idct_add(input[0]*dq[0], pred, dest, pitch, stride);
......@@ -164,9 +162,7 @@ void vp9_dequant_idct_add_lossless_c(int16_t *input, const int16_t *dq,
input[i] *= dq[i];
vp9_short_iwalsh4x4_c(input, output, 4 << 1);
vpx_memset(input, 0, 32);
vp9_add_residual_4x4(output, pred, pitch, dest, stride);
} else {
vp9_dc_only_inv_walsh_add(input[0]*dq[0], pred, dest, pitch, stride);
......@@ -204,52 +200,51 @@ void vp9_dequant_idct_add_8x8_c(int16_t *input, const int16_t *dq,
// coefficients. Use eobs to decide what to do.
// TODO(yunqingwang): "eobs = 1" case is also handled in vp9_short_idct8x8_c.
// Combine that with code here.
if (eob == 0) {
// All 0 DCT coefficients
vp9_copy_mem8x8(pred, pitch, dest, stride);
} else if (eob == 1) {
// DC only DCT coefficient
int16_t in = input[0];
int16_t out;
if (eob) {
if (eob == 1) {
// DC only DCT coefficient
int16_t in = input[0];
int16_t out;
// Note: the idct1 will need to be modified accordingly whenever
// vp9_short_idct8x8_c() is modified.
vp9_short_idct1_8x8_c(&in, &out);
input[0] = 0;
// Note: the idct1 will need to be modified accordingly whenever
// vp9_short_idct8x8_c() is modified.
vp9_short_idct1_8x8_c(&in, &out);
input[0] = 0;
vp9_add_constant_residual_8x8(out, pred, pitch, dest, stride);
vp9_add_constant_residual_8x8(out, pred, pitch, dest, stride);
#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[1] *= dq[1];
input[2] *= dq[1];
input[3] *= dq[1];
input[8] *= dq[1];
input[9] *= dq[1];
input[10] *= dq[1];
input[16] *= dq[1];
input[17] *= dq[1];
input[24] *= dq[1];
vp9_short_idct10_8x8(input, output, 16);
input[0] = input[1] = input[2] = input[3] = 0;
input[8] = input[9] = input[10] = 0;
input[16] = input[17] = 0;
input[24] = 0;
} else if (eob <= 10) {
input[1] *= dq[1];
input[2] *= dq[1];
input[3] *= dq[1];
input[8] *= dq[1];
input[9] *= dq[1];
input[10] *= dq[1];
input[16] *= dq[1];
input[17] *= dq[1];
input[24] *= dq[1];
vp9_short_idct10_8x8(input, output, 16);
vp9_add_residual_8x8(output, pred, pitch, dest, stride);
input[0] = input[1] = input[2] = input[3] = 0;
input[8] = input[9] = input[10] = 0;
input[16] = input[17] = 0;
input[24] = 0;
vp9_add_residual_8x8(output, pred, pitch, dest, stride);
#endif
} else {
int i;
} else {
int i;
// recover quantizer for 4 4x4 blocks
for (i = 1; i < 64; i++)
input[i] *= dq[1];
// recover quantizer for 4 4x4 blocks
for (i = 1; i < 64; i++)
input[i] *= dq[1];
// the idct halves ( >> 1) the pitch
vp9_short_idct8x8(input, output, 8 << 1);
vpx_memset(input, 0, 128);
vp9_add_residual_8x8(output, pred, pitch, dest, stride);
// the idct halves ( >> 1) the pitch
vp9_short_idct8x8(input, output, 8 << 1);
vpx_memset(input, 0, 128);
vp9_add_residual_8x8(output, pred, pitch, dest, stride);
}
}
}
......@@ -259,10 +254,7 @@ void vp9_dequant_iht_add_16x16_c(TX_TYPE tx_type, int16_t *input,
int eob) {
DECLARE_ALIGNED_ARRAY(16, int16_t, output, 256);
if (eob == 0) {
// All 0 DCT coefficients
vp9_copy_mem16x16(pred, pitch, dest, stride);
} else if (eob > 0) {
if (eob > 0) {
int i;
input[0] *= dq[0];
......@@ -290,58 +282,55 @@ void vp9_dequant_idct_add_16x16_c(int16_t *input, const int16_t *dq,
/* The calculation can be simplified if there are not many non-zero dct
* coefficients. Use eobs to separate different cases. */
if (eob == 0) {
/* All 0 DCT coefficient */
vp9_copy_mem16x16(pred, pitch, dest, stride);
} else if (eob == 1) {
/* DC only DCT coefficient. */
int16_t in = input[0] * dq[0];
int16_t out;
/* Note: the idct1 will need to be modified accordingly whenever
* vp9_short_idct16x16() is modified. */
vp9_short_idct1_16x16_c(&in, &out);
input[0] = 0;
vp9_add_constant_residual_16x16(out, pred, pitch, dest, stride);
#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[0] *= dq[0];
if (eob) {
if (eob == 1) {
/* DC only DCT coefficient. */
int16_t in = input[0] * dq[0];
int16_t out;
/* Note: the idct1 will need to be modified accordingly whenever
* vp9_short_idct16x16() is modified. */
vp9_short_idct1_16x16_c(&in, &out);
input[0] = 0;
input[1] *= dq[1];
input[2] *= dq[1];
input[3] *= dq[1];
input[16] *= dq[1];
input[17] *= dq[1];
input[18] *= dq[1];
input[32] *= dq[1];
input[33] *= dq[1];
input[48] *= dq[1];
vp9_add_constant_residual_16x16(out, pred, pitch, dest, stride);
#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[0] *= dq[0];
input[1] *= dq[1];
input[2] *= dq[1];
input[3] *= dq[1];
input[16] *= dq[1];
input[17] *= dq[1];
input[18] *= dq[1];
input[32] *= dq[1];
input[33] *= dq[1];
input[48] *= dq[1];
// the idct halves ( >> 1) the pitch
vp9_short_idct10_16x16(input, output, 32);
// the idct halves ( >> 1) the pitch
vp9_short_idct10_16x16(input, output, 32);
input[0] = input[1] = input[2] = input[3] = 0;
input[16] = input[17] = input[18] = 0;
input[32] = input[33] = 0;
input[48] = 0;
input[0] = input[1] = input[2] = input[3] = 0;
input[16] = input[17] = input[18] = 0;
input[32] = input[33] = 0;
input[48] = 0;
vp9_add_residual_16x16(output, pred, pitch, dest, stride);
vp9_add_residual_16x16(output, pred, pitch, dest, stride);
#endif
} else {
int i;
input[0] *= dq[0];
// recover quantizer for 4 4x4 blocks
for (i = 1; i < 256; i++)
input[i] *= dq[1];
} else {
int i;
// the idct halves ( >> 1) the pitch
vp9_short_idct16x16(input, output, 16 << 1);
input[0] *= dq[0];
vpx_memset(input, 0, 512);
// recover quantizer for 4 4x4 blocks
for (i = 1; i < 256; i++)
input[i] *= dq[1];
vp9_add_residual_16x16(output, pred, pitch, dest, stride);
// the idct halves ( >> 1) the pitch
vp9_short_idct16x16(input, output, 16 << 1);
vpx_memset(input, 0, 512);
vp9_add_residual_16x16(output, pred, pitch, dest, stride);
}
}
}
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment