diff options
Diffstat (limited to 'third_party/aom/av1/common/mips/msa/av1_idct8x8_msa.c')
-rw-r--r-- | third_party/aom/av1/common/mips/msa/av1_idct8x8_msa.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/mips/msa/av1_idct8x8_msa.c b/third_party/aom/av1/common/mips/msa/av1_idct8x8_msa.c new file mode 100644 index 000000000..71117051b --- /dev/null +++ b/third_party/aom/av1/common/mips/msa/av1_idct8x8_msa.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <assert.h> + +#include "av1/common/enums.h" +#include "aom_dsp/mips/inv_txfm_msa.h" + +void av1_iht8x8_64_add_msa(const int16_t *input, uint8_t *dst, + int32_t dst_stride, int32_t tx_type) { + v8i16 in0, in1, in2, in3, in4, in5, in6, in7; + + /* load vector elements of 8x8 block */ + LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7); + + TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, + in4, in5, in6, in7); + + switch (tx_type) { + case DCT_DCT: + /* DCT in horizontal */ + AOM_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, + in4, in5, in6, in7); + /* DCT in vertical */ + TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, + in3, in4, in5, in6, in7); + AOM_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, + in4, in5, in6, in7); + break; + case ADST_DCT: + /* DCT in horizontal */ + AOM_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, + in4, in5, in6, in7); + /* ADST in vertical */ + TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, + in3, in4, in5, in6, in7); + AOM_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, + in5, in6, in7); + break; + case DCT_ADST: + /* ADST in horizontal */ + AOM_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, + in5, in6, in7); + /* DCT in vertical */ + TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, + in3, in4, in5, in6, in7); + AOM_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, + in4, in5, in6, in7); + break; + case ADST_ADST: + /* ADST in horizontal */ + AOM_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, + in5, in6, in7); + /* ADST in vertical */ + TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, + in3, in4, in5, in6, in7); + AOM_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, + in5, in6, in7); + break; + default: assert(0); break; + } + + /* final rounding (add 2^4, divide by 2^5) and shift */ + SRARI_H4_SH(in0, in1, in2, in3, 5); + SRARI_H4_SH(in4, in5, in6, in7, 5); + + /* add block and store 8x8 */ + AOM_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3); + dst += (4 * dst_stride); + AOM_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7); +} |