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Commit 4ba26dc0 authored by Jingning Han's avatar Jingning Han
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Support rectangular transform block units in the codebase 

Change-Id: I9183851258478a36dc5a4ad2d4faa3d3c8b18bd3
parent 5238e6ea
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Showing with 39 additions and 20 deletions
av1/encoder/dct.c
View file @ 4ba26dc0
......@@ -999,6 +999,21 @@ static void fadst16(const tran_low_t *input, tran_low_t *output) {
output[15] = (tran_low_t)-x1;
}
// For use in lieu of ADST
static void fhalfright32(const tran_low_t *input, tran_low_t *output) {
int i;
tran_low_t inputhalf[16];
for (i = 0; i < 16; ++i) {
output[16 + i] = input[i] * 4;
}
// Multiply input by sqrt(2)
for (i = 0; i < 16; ++i) {
inputhalf[i] = (tran_low_t)fdct_round_shift(input[i + 16] * Sqrt2);
}
fdct16(inputhalf, output);
// Note overall scaling factor is 4 times orthogonal
}
#if CONFIG_EXT_TX
static void fidtx4(const tran_low_t *input, tran_low_t *output) {
int i;
......@@ -1022,21 +1037,6 @@ static void fidtx32(const tran_low_t *input, tran_low_t *output) {
for (i = 0; i < 32; ++i) output[i] = input[i] * 4;
}
// For use in lieu of ADST
static void fhalfright32(const tran_low_t *input, tran_low_t *output) {
int i;
tran_low_t inputhalf[16];
for (i = 0; i < 16; ++i) {
output[16 + i] = input[i] * 4;
}
// Multiply input by sqrt(2)
for (i = 0; i < 16; ++i) {
inputhalf[i] = (tran_low_t)fdct_round_shift(input[i + 16] * Sqrt2);
}
fdct16(inputhalf, output);
// Note overall scaling factor is 4 times orthogonal
}
static void copy_block(const int16_t *src, int src_stride, int l, int w,
int16_t *dest, int dest_stride) {
int i;
......@@ -1184,7 +1184,6 @@ void av1_fht4x4_c(const int16_t *input, tran_low_t *output, int stride,
}
}
#if CONFIG_EXT_TX
void av1_fht4x8_c(const int16_t *input, tran_low_t *output, int stride,
int tx_type) {
static const transform_2d FHT[] = {
......@@ -1192,6 +1191,7 @@ void av1_fht4x8_c(const int16_t *input, tran_low_t *output, int stride,
{ fadst8, fdct4 }, // ADST_DCT
{ fdct8, fadst4 }, // DCT_ADST
{ fadst8, fadst4 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fadst8, fdct4 }, // FLIPADST_DCT
{ fdct8, fadst4 }, // DCT_FLIPADST
{ fadst8, fadst4 }, // FLIPADST_FLIPADST
......@@ -1204,6 +1204,7 @@ void av1_fht4x8_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx8, fadst4 }, // H_ADST
{ fadst8, fidtx4 }, // V_FLIPADST
{ fidtx8, fadst4 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 4;
......@@ -1211,8 +1212,10 @@ void av1_fht4x8_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[8 * 4];
tran_low_t temp_in[8], temp_out[8];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[8 * 4];
maybe_flip_input(&input, &stride, n2, n, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n; ++i) {
......@@ -1239,6 +1242,7 @@ void av1_fht8x4_c(const int16_t *input, tran_low_t *output, int stride,
{ fadst4, fdct8 }, // ADST_DCT
{ fdct4, fadst8 }, // DCT_ADST
{ fadst4, fadst8 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fadst4, fdct8 }, // FLIPADST_DCT
{ fdct4, fadst8 }, // DCT_FLIPADST
{ fadst4, fadst8 }, // FLIPADST_FLIPADST
......@@ -1251,6 +1255,7 @@ void av1_fht8x4_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx4, fadst8 }, // H_ADST
{ fadst4, fidtx8 }, // V_FLIPADST
{ fidtx4, fadst8 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 4;
......@@ -1258,8 +1263,10 @@ void av1_fht8x4_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[8 * 4];
tran_low_t temp_in[8], temp_out[8];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[8 * 4];
maybe_flip_input(&input, &stride, n, n2, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n2; ++i) {
......@@ -1286,6 +1293,7 @@ void av1_fht8x16_c(const int16_t *input, tran_low_t *output, int stride,
{ fadst16, fdct8 }, // ADST_DCT
{ fdct16, fadst8 }, // DCT_ADST
{ fadst16, fadst8 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fadst16, fdct8 }, // FLIPADST_DCT
{ fdct16, fadst8 }, // DCT_FLIPADST
{ fadst16, fadst8 }, // FLIPADST_FLIPADST
......@@ -1298,6 +1306,7 @@ void av1_fht8x16_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx16, fadst8 }, // H_ADST
{ fadst16, fidtx8 }, // V_FLIPADST
{ fidtx16, fadst8 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 8;
......@@ -1305,8 +1314,10 @@ void av1_fht8x16_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[16 * 8];
tran_low_t temp_in[16], temp_out[16];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[16 * 8];
maybe_flip_input(&input, &stride, n2, n, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n; ++i) {
......@@ -1334,6 +1345,7 @@ void av1_fht16x8_c(const int16_t *input, tran_low_t *output, int stride,
{ fadst8, fdct16 }, // ADST_DCT
{ fdct8, fadst16 }, // DCT_ADST
{ fadst8, fadst16 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fadst8, fdct16 }, // FLIPADST_DCT
{ fdct8, fadst16 }, // DCT_FLIPADST
{ fadst8, fadst16 }, // FLIPADST_FLIPADST
......@@ -1346,6 +1358,7 @@ void av1_fht16x8_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx8, fadst16 }, // H_ADST
{ fadst8, fidtx16 }, // V_FLIPADST
{ fidtx8, fadst16 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 8;
......@@ -1353,8 +1366,10 @@ void av1_fht16x8_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[16 * 8];
tran_low_t temp_in[16], temp_out[16];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[16 * 8];
maybe_flip_input(&input, &stride, n, n2, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n2; ++i) {
......@@ -1382,6 +1397,7 @@ void av1_fht16x32_c(const int16_t *input, tran_low_t *output, int stride,
{ fhalfright32, fdct16 }, // ADST_DCT
{ fdct32, fadst16 }, // DCT_ADST
{ fhalfright32, fadst16 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fhalfright32, fdct16 }, // FLIPADST_DCT
{ fdct32, fadst16 }, // DCT_FLIPADST
{ fhalfright32, fadst16 }, // FLIPADST_FLIPADST
......@@ -1394,6 +1410,7 @@ void av1_fht16x32_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx32, fadst16 }, // H_ADST
{ fhalfright32, fidtx16 }, // V_FLIPADST
{ fidtx32, fadst16 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 16;
......@@ -1401,8 +1418,10 @@ void av1_fht16x32_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[32 * 16];
tran_low_t temp_in[32], temp_out[32];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[32 * 16];
maybe_flip_input(&input, &stride, n2, n, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n; ++i) {
......@@ -1430,6 +1449,7 @@ void av1_fht32x16_c(const int16_t *input, tran_low_t *output, int stride,
{ fadst16, fdct32 }, // ADST_DCT
{ fdct16, fhalfright32 }, // DCT_ADST
{ fadst16, fhalfright32 }, // ADST_ADST
#if CONFIG_EXT_TX
{ fadst16, fdct32 }, // FLIPADST_DCT
{ fdct16, fhalfright32 }, // DCT_FLIPADST
{ fadst16, fhalfright32 }, // FLIPADST_FLIPADST
......@@ -1442,6 +1462,7 @@ void av1_fht32x16_c(const int16_t *input, tran_low_t *output, int stride,
{ fidtx16, fhalfright32 }, // H_ADST
{ fadst16, fidtx32 }, // V_FLIPADST
{ fidtx16, fhalfright32 }, // H_FLIPADST
#endif
};
const transform_2d ht = FHT[tx_type];
const int n = 16;
......@@ -1449,8 +1470,10 @@ void av1_fht32x16_c(const int16_t *input, tran_low_t *output, int stride,
tran_low_t out[32 * 16];
tran_low_t temp_in[32], temp_out[32];
int i, j;
#if CONFIG_EXT_TX
int16_t flipped_input[32 * 16];
maybe_flip_input(&input, &stride, n, n2, flipped_input, tx_type);
#endif
// Columns
for (i = 0; i < n2; ++i) {
......@@ -1471,8 +1494,6 @@ void av1_fht32x16_c(const int16_t *input, tran_low_t *output, int stride,
// Note: overall scale factor of transform is 4 times unitary
}
#endif // CONFIG_EXT_TX
void av1_fdct8x8_quant_c(const int16_t *input, int stride,
tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block, const int16_t *zbin_ptr,
......@@ -1761,7 +1782,6 @@ void av1_highbd_fht4x4_c(const int16_t *input, tran_low_t *output, int stride,
av1_fht4x4_c(input, output, stride, tx_type);
}
#if CONFIG_EXT_TX
void av1_highbd_fht4x8_c(const int16_t *input, tran_low_t *output, int stride,
int tx_type) {
av1_fht4x8_c(input, output, stride, tx_type);
......@@ -1791,7 +1811,6 @@ void av1_highbd_fht32x16_c(const int16_t *input, tran_low_t *output, int stride,
int tx_type) {
av1_fht32x16_c(input, output, stride, tx_type);
}
#endif // CONFIG_EXT_TX
void av1_highbd_fht8x8_c(const int16_t *input, tran_low_t *output, int stride,
int tx_type) {
......
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