diff options
Diffstat (limited to 'third_party/aom/av1/common/mips/msa/av1_idct4x4_msa.c')
-rw-r--r-- | third_party/aom/av1/common/mips/msa/av1_idct4x4_msa.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/mips/msa/av1_idct4x4_msa.c b/third_party/aom/av1/common/mips/msa/av1_idct4x4_msa.c new file mode 100644 index 000000000..8364f8dc4 --- /dev/null +++ b/third_party/aom/av1/common/mips/msa/av1_idct4x4_msa.c @@ -0,0 +1,61 @@ +/* + * 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_iht4x4_16_add_msa(const int16_t *input, uint8_t *dst, + int32_t dst_stride, int32_t tx_type) { + v8i16 in0, in1, in2, in3; + + /* load vector elements of 4x4 block */ + LD4x4_SH(input, in0, in1, in2, in3); + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + + switch (tx_type) { + case DCT_DCT: + /* DCT in horizontal */ + AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* DCT in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case ADST_DCT: + /* DCT in horizontal */ + AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* ADST in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case DCT_ADST: + /* ADST in horizontal */ + AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* DCT in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case ADST_ADST: + /* ADST in horizontal */ + AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* ADST in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + default: assert(0); break; + } + + /* final rounding (add 2^3, divide by 2^4) and shift */ + SRARI_H4_SH(in0, in1, in2, in3, 4); + /* add block and store 4x4 */ + ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride); +} |