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Using stride (# of elements) instead of pitch (bytes) in fdct16x16.

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Just making fdct consistent with iht/idct/fht functions which all use
stride (# of elements) as input argument.

Change-Id: I2d95fdcbba96aaa0ed24a80870cb38f53487a97d
This commit is contained in:
Dmitry Kovalev 2013-10-18 11:49:33 -07:00
parent eaf2d4cbfc
commit 1aa7fd5aef
5 changed files with 8 additions and 11 deletions
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7
test/dct16x16_test.cc
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@ -395,8 +395,7 @@ class Trans16x16TestBase {
for (int j = 0; j < kNumCoeffs; ++j)
coeff[j] = round(out_r[j]);
const int pitch = 32;
REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch));
REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, 16));
for (int j = 0; j < kNumCoeffs; ++j) {
const uint32_t diff = dst[j] - src[j];
@ -421,7 +420,7 @@ class Trans16x16DCT : public Trans16x16TestBase,
fwd_txfm_ = GET_PARAM(0);
inv_txfm_ = GET_PARAM(1);
tx_type_ = GET_PARAM(2);
pitch_ = 32;
pitch_ = 16;
fwd_txfm_ref = fdct16x16_ref;
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
@ -431,7 +430,7 @@ class Trans16x16DCT : public Trans16x16TestBase,
fwd_txfm_(in, out, stride);
}
void RunInvTxfm(int16_t *out, uint8_t *dst, int stride) {
inv_txfm_(out, dst, stride >> 1);
inv_txfm_(out, dst, stride);
}
fdct_t fwd_txfm_;

2
vp9/common/vp9_rtcd_defs.sh
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@ -707,7 +707,7 @@ specialize vp9_short_fdct32x32 sse2
prototype void vp9_short_fdct32x32_rd "int16_t *InputData, int16_t *OutputData, int stride"
specialize vp9_short_fdct32x32_rd sse2
prototype void vp9_short_fdct16x16 "int16_t *InputData, int16_t *OutputData, int pitch"
prototype void vp9_short_fdct16x16 "int16_t *InputData, int16_t *OutputData, int stride"
specialize vp9_short_fdct16x16 sse2
prototype void vp9_short_walsh4x4 "int16_t *InputData, int16_t *OutputData, int pitch"

3
vp9/encoder/vp9_dct.c
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@ -302,14 +302,13 @@ void vp9_short_fdct8x8_c(int16_t *input, int16_t *final_output, int pitch) {
}
}
void vp9_short_fdct16x16_c(int16_t *input, int16_t *output, int pitch) {
void vp9_short_fdct16x16_c(int16_t *input, int16_t *output, int stride) {
// The 2D transform is done with two passes which are actually pretty
// similar. In the first one, we transform the columns and transpose
// the results. In the second one, we transform the rows. To achieve that,
// as the first pass results are transposed, we tranpose the columns (that
// is the transposed rows) and transpose the results (so that it goes back
// in normal/row positions).
const int stride = pitch >> 1;
int pass;
// We need an intermediate buffer between passes.
int16_t intermediate[256];

4
vp9/encoder/vp9_encodemb.c
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@ -379,7 +379,7 @@ void vp9_xform_quant(int plane, int block, BLOCK_SIZE plane_bsize,
xoff = 16 * (block & twmask);
yoff = 16 * (block >> twl);
src_diff = p->src_diff + 4 * bw * yoff + xoff;
vp9_short_fdct16x16(src_diff, coeff, bw * 8);
vp9_short_fdct16x16(src_diff, coeff, bw * 4);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, p->zbin_extra, eob, scan, iscan);
@ -559,7 +559,7 @@ void vp9_encode_block_intra(int plane, int block, BLOCK_SIZE plane_bsize,
if (tx_type != DCT_DCT)
vp9_short_fht16x16(src_diff, coeff, bw * 4, tx_type);
else
vp9_short_fdct16x16(src_diff, coeff, bw * 8);
vp9_short_fdct16x16(src_diff, coeff, bw * 4);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, p->zbin_extra, eob, scan, iscan);

3
vp9/encoder/x86/vp9_dct_sse2.c
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@ -1056,14 +1056,13 @@ void vp9_short_fht8x8_sse2(int16_t *input, int16_t *output,
write_buffer_8x8(output, in, 8);
}
void vp9_short_fdct16x16_sse2(int16_t *input, int16_t *output, int pitch) {
void vp9_short_fdct16x16_sse2(int16_t *input, int16_t *output, int stride) {
// The 2D transform is done with two passes which are actually pretty
// similar. In the first one, we transform the columns and transpose
// the results. In the second one, we transform the rows. To achieve that,
// as the first pass results are transposed, we tranpose the columns (that
// is the transposed rows) and transpose the results (so that it goes back
// in normal/row positions).
const int stride = pitch >> 1;
int pass;
// We need an intermediate buffer between passes.
DECLARE_ALIGNED_ARRAY(16, int16_t, intermediate, 256);