diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct4x4_msa.c')
-rw-r--r-- | media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct4x4_msa.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct4x4_msa.c b/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct4x4_msa.c new file mode 100644 index 0000000000..aaccd5ca7b --- /dev/null +++ b/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct4x4_msa.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <assert.h> + +#include "./vp9_rtcd.h" +#include "vp9/common/vp9_enums.h" +#include "vpx_dsp/mips/inv_txfm_msa.h" + +void vp9_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 */ + VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* DCT in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case ADST_DCT: + /* DCT in horizontal */ + VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* ADST in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case DCT_ADST: + /* ADST in horizontal */ + VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* DCT in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3); + break; + case ADST_ADST: + /* ADST in horizontal */ + VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3); + /* ADST in vertical */ + TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3); + VP9_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); +} |