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Diffstat (limited to 'libavcodec/lossless_videodsp.h')
-rw-r--r-- | libavcodec/lossless_videodsp.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libavcodec/lossless_videodsp.h b/libavcodec/lossless_videodsp.h new file mode 100644 index 0000000..8077898 --- /dev/null +++ b/libavcodec/lossless_videodsp.h @@ -0,0 +1,49 @@ +/* + * Lossless video DSP utils + * + * 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 + */ + + +#ifndef AVCODEC_LOSSLESS_VIDEODSP_H +#define AVCODEC_LOSSLESS_VIDEODSP_H + +#include <stdint.h> +#include <stddef.h> + +#include "avcodec.h" +#include "libavutil/cpu.h" + +typedef struct LLVidDSPContext { + void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */, + ptrdiff_t w); + void (*add_median_pred)(uint8_t *dst, const uint8_t *top, + const uint8_t *diff, ptrdiff_t w, + int *left, int *left_top); + int (*add_left_pred)(uint8_t *dst, const uint8_t *src, + ptrdiff_t w, int left); + + int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src, + unsigned mask, ptrdiff_t w, unsigned left); + void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width); +} LLVidDSPContext; + +void ff_llviddsp_init(LLVidDSPContext *llviddsp); +void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp); +void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp); + +#endif //AVCODEC_LOSSLESS_VIDEODSP_H |