diff options
Diffstat (limited to 'vp10/common/mips/dspr2/itrans8_dspr2.c')
-rw-r--r-- | vp10/common/mips/dspr2/itrans8_dspr2.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/vp10/common/mips/dspr2/itrans8_dspr2.c b/vp10/common/mips/dspr2/itrans8_dspr2.c new file mode 100644 index 000000000..b25b93aee --- /dev/null +++ b/vp10/common/mips/dspr2/itrans8_dspr2.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2013 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 <stdio.h> + +#include "./vpx_config.h" +#include "./vp10_rtcd.h" +#include "vp10/common/common.h" +#include "vp10/common/blockd.h" +#include "vpx_dsp/mips/inv_txfm_dspr2.h" +#include "vpx_dsp/txfm_common.h" +#include "vpx_ports/mem.h" + +#if HAVE_DSPR2 +void vp10_iht8x8_64_add_dspr2(const int16_t *input, uint8_t *dest, + int dest_stride, int tx_type) { + int i, j; + DECLARE_ALIGNED(32, int16_t, out[8 * 8]); + int16_t *outptr = out; + int16_t temp_in[8 * 8], temp_out[8]; + uint32_t pos = 45; + + /* bit positon for extract from acc */ + __asm__ __volatile__ ( + "wrdsp %[pos], 1 \n\t" + : + : [pos] "r" (pos) + ); + + switch (tx_type) { + case DCT_DCT: // DCT in both horizontal and vertical + idct8_rows_dspr2(input, outptr, 8); + idct8_columns_add_blk_dspr2(&out[0], dest, dest_stride); + break; + case ADST_DCT: // ADST in vertical, DCT in horizontal + idct8_rows_dspr2(input, outptr, 8); + + for (i = 0; i < 8; ++i) { + iadst8_dspr2(&out[i * 8], temp_out); + + for (j = 0; j < 8; ++j) + dest[j * dest_stride + i] = + clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 5) + + dest[j * dest_stride + i]); + } + break; + case DCT_ADST: // DCT in vertical, ADST in horizontal + for (i = 0; i < 8; ++i) { + iadst8_dspr2(input, outptr); + input += 8; + outptr += 8; + } + + for (i = 0; i < 8; ++i) { + for (j = 0; j < 8; ++j) { + temp_in[i * 8 + j] = out[j * 8 + i]; + } + } + idct8_columns_add_blk_dspr2(&temp_in[0], dest, dest_stride); + break; + case ADST_ADST: // ADST in both directions + for (i = 0; i < 8; ++i) { + iadst8_dspr2(input, outptr); + input += 8; + outptr += 8; + } + + for (i = 0; i < 8; ++i) { + for (j = 0; j < 8; ++j) + temp_in[j] = out[j * 8 + i]; + + iadst8_dspr2(temp_in, temp_out); + + for (j = 0; j < 8; ++j) + dest[j * dest_stride + i] = + clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 5) + + dest[j * dest_stride + i]); + } + break; + default: + printf("vp10_short_iht8x8_add_dspr2 : Invalid tx_type\n"); + break; + } +} +#endif // #if HAVE_DSPR2 |