diff options
Diffstat (limited to 'libavcodec/mips/blockdsp_msa.c')
-rw-r--r-- | libavcodec/mips/blockdsp_msa.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libavcodec/mips/blockdsp_msa.c b/libavcodec/mips/blockdsp_msa.c new file mode 100644 index 0000000..32ac858 --- /dev/null +++ b/libavcodec/mips/blockdsp_msa.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2015 Parag Salasakar (parag.salasakar@imgtec.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 "libavutil/mips/generic_macros_msa.h" +#include "blockdsp_mips.h" + +static void copy_8bit_value_width8_msa(uint8_t *src, uint8_t val, + int32_t src_stride, int32_t height) +{ + int32_t cnt; + uint64_t dst0; + v16u8 val0; + + val0 = (v16u8) __msa_fill_b(val); + dst0 = __msa_copy_u_d((v2i64) val0, 0); + + for (cnt = (height >> 2); cnt--;) { + SD4(dst0, dst0, dst0, dst0, src, src_stride); + src += (4 * src_stride); + } +} + +static void copy_8bit_value_width16_msa(uint8_t *src, uint8_t val, + int32_t src_stride, int32_t height) +{ + int32_t cnt; + v16u8 val0; + + val0 = (v16u8) __msa_fill_b(val); + + for (cnt = (height >> 3); cnt--;) { + ST_UB8(val0, val0, val0, val0, val0, val0, val0, val0, src, src_stride); + src += (8 * src_stride); + } +} + +static void memset_zero_16width_msa(uint8_t *src, int32_t stride, + int32_t height) +{ + int8_t cnt; + v16u8 zero = { 0 }; + + for (cnt = (height / 2); cnt--;) { + ST_UB(zero, src); + src += stride; + ST_UB(zero, src); + src += stride; + } +} + +void ff_fill_block16_msa(uint8_t *src, uint8_t val, int stride, int height) +{ + copy_8bit_value_width16_msa(src, val, stride, height); +} + +void ff_fill_block8_msa(uint8_t *src, uint8_t val, int stride, int height) +{ + copy_8bit_value_width8_msa(src, val, stride, height); +} + +void ff_clear_block_msa(int16_t *block) +{ + memset_zero_16width_msa((uint8_t *) block, 16, 8); +} + +void ff_clear_blocks_msa(int16_t *block) +{ + memset_zero_16width_msa((uint8_t *) block, 16, 8 * 6); +} |