diff options
Diffstat (limited to 'libavcodec/blockdsp.h')
-rw-r--r-- | libavcodec/blockdsp.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libavcodec/blockdsp.h b/libavcodec/blockdsp.h new file mode 100644 index 0000000000..32c671cf5a --- /dev/null +++ b/libavcodec/blockdsp.h @@ -0,0 +1,52 @@ +/* + * 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 + */ + +#ifndef AVCODEC_BLOCKDSP_H +#define AVCODEC_BLOCKDSP_H + +#include <stdint.h> + +#include "avcodec.h" +#include "version.h" + +/* add and put pixel (decoding) + * Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16. + * h for op_pixels_func is limited to { width / 2, width }, + * but never larger than 16 and never smaller than 4. */ +typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */, + uint8_t value, int line_size, int h); + +typedef struct BlockDSPContext { + void (*clear_block)(int16_t *block /* align 16 */); + void (*clear_blocks)(int16_t *blocks /* align 16 */); + + op_fill_func fill_block_tab[2]; +} BlockDSPContext; + +void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx); + +void ff_blockdsp_init_arm(BlockDSPContext *c, unsigned high_bit_depth); +void ff_blockdsp_init_ppc(BlockDSPContext *c, unsigned high_bit_depth); +#if FF_API_XVMC +void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth, + AVCodecContext *avctx); +#else +void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth); +#endif /* FF_API_XVMC */ + +#endif /* AVCODEC_BLOCKDSP_H */ |