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| 1 /* | |
| 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #ifndef VP9_COMMON_MIPS_DSPR2_VP9_COMMON_DSPR2_H_ | |
| 12 #define VP9_COMMON_MIPS_DSPR2_VP9_COMMON_DSPR2_H_ | |
| 13 | |
| 14 #include <assert.h> | |
| 15 | |
| 16 #include "./vpx_config.h" | |
| 17 #include "vpx/vpx_integer.h" | |
| 18 #include "vpx_dsp/mips/common_dspr2.h" | |
| 19 | |
| 20 #ifdef __cplusplus | |
| 21 extern "C" { | |
| 22 #endif | |
| 23 | |
| 24 #if HAVE_DSPR2 | |
| 25 | |
| 26 extern uint8_t *vpx_ff_cropTbl; | |
| 27 | |
| 28 #define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) ({ \ | |
| 29 \ | |
| 30 int32_t tmp, out; \ | |
| 31 int dct_cost_rounding = DCT_CONST_ROUNDING; \ | |
| 32 int in = input; \ | |
| 33 \ | |
| 34 __asm__ __volatile__ ( \ | |
| 35 /* out = dct_const_round_shift(input_dc * cospi_16_64); */ \ | |
| 36 "mtlo %[dct_cost_rounding], $ac1 \n\t"\ | |
| 37 "mthi $zero, $ac1 \n\t"\ | |
| 38 "madd $ac1, %[in], %[cospi_16_64] \n\t"\ | |
| 39 "extp %[tmp], $ac1, 31 \n\t"\ | |
| 40 \ | |
| 41 /* out = dct_const_round_shift(out * cospi_16_64); */ \ | |
| 42 "mtlo %[dct_cost_rounding], $ac2 \n\t"\ | |
| 43 "mthi $zero, $ac2 \n\t"\ | |
| 44 "madd $ac2, %[tmp], %[cospi_16_64] \n\t"\ | |
| 45 "extp %[out], $ac2, 31 \n\t"\ | |
| 46 \ | |
| 47 : [tmp] "=&r" (tmp), [out] "=r" (out) \ | |
| 48 : [in] "r" (in), \ | |
| 49 [dct_cost_rounding] "r" (dct_cost_rounding), \ | |
| 50 [cospi_16_64] "r" (cospi_16_64) \ | |
| 51 ); \ | |
| 52 out; }) | |
| 53 | |
| 54 void vp9_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, | |
| 55 int dest_stride); | |
| 56 | |
| 57 #endif // #if HAVE_DSPR2 | |
| 58 #ifdef __cplusplus | |
| 59 } // extern "C" | |
| 60 #endif | |
| 61 | |
| 62 #endif // VP9_COMMON_MIPS_DSPR2_VP9_COMMON_DSPR2_H_ | |
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Chromium Code Reviews
Issue 1302353004:
libvpx: Pull from upstream (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master