From e74433a8e6fc00c8dbde293c97a3e45384c2c1d9 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Tue, 14 Jan 2014 10:33:47 +0100 Subject: dsputil: Split clear_block*/fill_block* off into a separate context --- libavcodec/blockdsp.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 libavcodec/blockdsp.c (limited to 'libavcodec/blockdsp.c') diff --git a/libavcodec/blockdsp.c b/libavcodec/blockdsp.c new file mode 100644 index 0000000000..e3d2ca1fdc --- /dev/null +++ b/libavcodec/blockdsp.c @@ -0,0 +1,78 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include "config.h" +#include "libavutil/attributes.h" +#include "avcodec.h" +#include "blockdsp.h" +#include "version.h" + +static void clear_block_8_c(int16_t *block) +{ + memset(block, 0, sizeof(int16_t) * 64); +} + +static void clear_blocks_8_c(int16_t *blocks) +{ + memset(blocks, 0, sizeof(int16_t) * 6 * 64); +} + +static void fill_block16_c(uint8_t *block, uint8_t value, int line_size, int h) +{ + int i; + + for (i = 0; i < h; i++) { + memset(block, value, 16); + block += line_size; + } +} + +static void fill_block8_c(uint8_t *block, uint8_t value, int line_size, int h) +{ + int i; + + for (i = 0; i < h; i++) { + memset(block, value, 8); + block += line_size; + } +} + +av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx) +{ + const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; + + c->clear_block = clear_block_8_c; + c->clear_blocks = clear_blocks_8_c; + + c->fill_block_tab[0] = fill_block16_c; + c->fill_block_tab[1] = fill_block8_c; + + if (ARCH_ARM) + ff_blockdsp_init_arm(c, high_bit_depth); + if (ARCH_PPC) + ff_blockdsp_init_ppc(c, high_bit_depth); + if (ARCH_X86) +#if FF_API_XVMC + ff_blockdsp_init_x86(c, high_bit_depth, avctx); +#else + ff_blockdsp_init_x86(c, high_bit_depth); +#endif /* FF_API_XVMC */ +} -- cgit v1.2.3