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author | Michael Niedermayer <michaelni@gmx.at> | 2014-01-15 15:06:37 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-01-15 15:06:47 +0100 |
commit | fb1c786a9dc646b7fdd1d15ad98a4be87c8deb87 (patch) | |
tree | 68bb953c30912757619a81de901733016a9d4908 /libavcodec/aarch64/h264dsp_init_aarch64.c | |
parent | 6f001d87ff019735ec0758bd2f0b183f36386748 (diff) | |
parent | 8438b3f09f6b225d0886cc385117c38eb44ca0c1 (diff) | |
download | ffmpeg-streaming-fb1c786a9dc646b7fdd1d15ad98a4be87c8deb87.zip ffmpeg-streaming-fb1c786a9dc646b7fdd1d15ad98a4be87c8deb87.tar.gz |
Merge commit '8438b3f09f6b225d0886cc385117c38eb44ca0c1'
* commit '8438b3f09f6b225d0886cc385117c38eb44ca0c1':
aarch64: h264 idct NEON assembler optimizations
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/aarch64/h264dsp_init_aarch64.c')
-rw-r--r-- | libavcodec/aarch64/h264dsp_init_aarch64.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libavcodec/aarch64/h264dsp_init_aarch64.c b/libavcodec/aarch64/h264dsp_init_aarch64.c new file mode 100644 index 0000000..c66c79a --- /dev/null +++ b/libavcodec/aarch64/h264dsp_init_aarch64.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/aarch64/cpu.h" +#include "libavcodec/h264dsp.h" + +void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride); +void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride); +void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset, + int16_t *block, int stride, + const uint8_t nnzc[6*8]); +void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset, + int16_t *block, int stride, + const uint8_t nnzc[6*8]); +void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset, + int16_t *block, int stride, + const uint8_t nnzc[6*8]); + +void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride); +void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride); +void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset, + int16_t *block, int stride, + const uint8_t nnzc[6*8]); + +av_cold void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth, + const int chroma_format_idc) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags) && bit_depth == 8) { + c->h264_idct_add = ff_h264_idct_add_neon; + c->h264_idct_dc_add = ff_h264_idct_dc_add_neon; + c->h264_idct_add16 = ff_h264_idct_add16_neon; + c->h264_idct_add16intra = ff_h264_idct_add16intra_neon; + if (chroma_format_idc <= 1) + c->h264_idct_add8 = ff_h264_idct_add8_neon; + c->h264_idct8_add = ff_h264_idct8_add_neon; + c->h264_idct8_dc_add = ff_h264_idct8_dc_add_neon; + c->h264_idct8_add4 = ff_h264_idct8_add4_neon; + } +} |