diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c')
-rw-r--r-- | media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c b/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c new file mode 100644 index 0000000000..e68d01e9fd --- /dev/null +++ b/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c @@ -0,0 +1,98 @@ +/* + * 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 "./vp9_rtcd.h" +#include "vp9/common/vp9_common.h" +#include "vp9/common/vp9_blockd.h" +#include "vp9/common/vp9_idct.h" +#include "vpx_dsp/mips/inv_txfm_dspr2.h" +#include "vpx_dsp/txfm_common.h" +#include "vpx_ports/mem.h" + +#if HAVE_DSPR2 +void vp9_iht16x16_256_add_dspr2(const int16_t *input, uint8_t *dest, int pitch, + int tx_type) { + int i, j; + DECLARE_ALIGNED(32, int16_t, out[16 * 16]); + int16_t *outptr = out; + int16_t temp_out[16]; + 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 + idct16_rows_dspr2(input, outptr, 16); + idct16_cols_add_blk_dspr2(out, dest, pitch); + break; + case ADST_DCT: // ADST in vertical, DCT in horizontal + idct16_rows_dspr2(input, outptr, 16); + + outptr = out; + + for (i = 0; i < 16; ++i) { + iadst16_dspr2(outptr, temp_out); + + for (j = 0; j < 16; ++j) + dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) + + dest[j * pitch + i]); + outptr += 16; + } + break; + case DCT_ADST: // DCT in vertical, ADST in horizontal + { + int16_t temp_in[16 * 16]; + + for (i = 0; i < 16; ++i) { + /* prefetch row */ + prefetch_load((const uint8_t *)(input + 16)); + + iadst16_dspr2(input, outptr); + input += 16; + outptr += 16; + } + + for (i = 0; i < 16; ++i) + for (j = 0; j < 16; ++j) temp_in[j * 16 + i] = out[i * 16 + j]; + + idct16_cols_add_blk_dspr2(temp_in, dest, pitch); + break; + } + case ADST_ADST: // ADST in both directions + { + int16_t temp_in[16]; + + for (i = 0; i < 16; ++i) { + /* prefetch row */ + prefetch_load((const uint8_t *)(input + 16)); + + iadst16_dspr2(input, outptr); + input += 16; + outptr += 16; + } + + for (i = 0; i < 16; ++i) { + for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i]; + iadst16_dspr2(temp_in, temp_out); + for (j = 0; j < 16; ++j) + dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) + + dest[j * pitch + i]); + } + break; + } + default: printf("vp9_short_iht16x16_add_dspr2 : Invalid tx_type\n"); break; + } +} +#endif // #if HAVE_DSPR2 |