diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/idct16x16_neon.c')
-rw-r--r-- | third_party/aom/aom_dsp/arm/idct16x16_neon.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/third_party/aom/aom_dsp/arm/idct16x16_neon.c b/third_party/aom/aom_dsp/arm/idct16x16_neon.c deleted file mode 100644 index db0d4905b..000000000 --- a/third_party/aom/aom_dsp/arm/idct16x16_neon.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * 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 "aom_dsp/aom_dsp_common.h" - -void aom_idct16x16_256_add_neon_pass1(const int16_t *input, int16_t *output, - int output_stride); -void aom_idct16x16_256_add_neon_pass2(const int16_t *src, int16_t *output, - int16_t *pass1Output, int16_t skip_adding, - uint8_t *dest, int dest_stride); -void aom_idct16x16_10_add_neon_pass1(const int16_t *input, int16_t *output, - int output_stride); -void aom_idct16x16_10_add_neon_pass2(const int16_t *src, int16_t *output, - int16_t *pass1Output, int16_t skip_adding, - uint8_t *dest, int dest_stride); - -#if HAVE_NEON_ASM -/* For ARM NEON, d8-d15 are callee-saved registers, and need to be saved. */ -extern void aom_push_neon(int64_t *store); -extern void aom_pop_neon(int64_t *store); -#endif // HAVE_NEON_ASM - -void aom_idct16x16_256_add_neon(const int16_t *input, uint8_t *dest, - int dest_stride) { -#if HAVE_NEON_ASM - int64_t store_reg[8]; -#endif - int16_t pass1_output[16 * 16] = { 0 }; - int16_t row_idct_output[16 * 16] = { 0 }; - -#if HAVE_NEON_ASM - // save d8-d15 register values. - aom_push_neon(store_reg); -#endif - - /* Parallel idct on the upper 8 rows */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(input, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7 - // which will be saved into row_idct_output. - aom_idct16x16_256_add_neon_pass2(input + 1, row_idct_output, pass1_output, 0, - dest, dest_stride); - - /* Parallel idct on the lower 8 rows */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(input + 8 * 16, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7 - // which will be saved into row_idct_output. - aom_idct16x16_256_add_neon_pass2(input + 8 * 16 + 1, row_idct_output + 8, - pass1_output, 0, dest, dest_stride); - - /* Parallel idct on the left 8 columns */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(row_idct_output, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7. - // Then add the result to the destination data. - aom_idct16x16_256_add_neon_pass2(row_idct_output + 1, row_idct_output, - pass1_output, 1, dest, dest_stride); - - /* Parallel idct on the right 8 columns */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(row_idct_output + 8 * 16, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7. - // Then add the result to the destination data. - aom_idct16x16_256_add_neon_pass2(row_idct_output + 8 * 16 + 1, - row_idct_output + 8, pass1_output, 1, - dest + 8, dest_stride); - -#if HAVE_NEON_ASM - // restore d8-d15 register values. - aom_pop_neon(store_reg); -#endif - - return; -} - -void aom_idct16x16_10_add_neon(const int16_t *input, uint8_t *dest, - int dest_stride) { -#if HAVE_NEON_ASM - int64_t store_reg[8]; -#endif - int16_t pass1_output[16 * 16] = { 0 }; - int16_t row_idct_output[16 * 16] = { 0 }; - -#if HAVE_NEON_ASM - // save d8-d15 register values. - aom_push_neon(store_reg); -#endif - - /* Parallel idct on the upper 8 rows */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_10_add_neon_pass1(input, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7 - // which will be saved into row_idct_output. - aom_idct16x16_10_add_neon_pass2(input + 1, row_idct_output, pass1_output, 0, - dest, dest_stride); - - /* Skip Parallel idct on the lower 8 rows as they are all 0s */ - - /* Parallel idct on the left 8 columns */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(row_idct_output, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7. - // Then add the result to the destination data. - aom_idct16x16_256_add_neon_pass2(row_idct_output + 1, row_idct_output, - pass1_output, 1, dest, dest_stride); - - /* Parallel idct on the right 8 columns */ - // First pass processes even elements 0, 2, 4, 6, 8, 10, 12, 14 and save the - // stage 6 result in pass1_output. - aom_idct16x16_256_add_neon_pass1(row_idct_output + 8 * 16, pass1_output, 8); - - // Second pass processes odd elements 1, 3, 5, 7, 9, 11, 13, 15 and combines - // with result in pass1(pass1_output) to calculate final result in stage 7. - // Then add the result to the destination data. - aom_idct16x16_256_add_neon_pass2(row_idct_output + 8 * 16 + 1, - row_idct_output + 8, pass1_output, 1, - dest + 8, dest_stride); - -#if HAVE_NEON_ASM - // restore d8-d15 register values. - aom_pop_neon(store_reg); -#endif - - return; -} |