From 512f3ffe9b4bb86767c2b1176554407c75fe1a5c Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Mon, 23 Dec 2013 18:42:11 +0100 Subject: dsputil: Split off HuffYUV encoding bits into their own context Also shorten HuffYUV context member names to avoid clutter. --- libavcodec/huffyuvencdsp.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 libavcodec/huffyuvencdsp.h (limited to 'libavcodec/huffyuvencdsp.h') diff --git a/libavcodec/huffyuvencdsp.h b/libavcodec/huffyuvencdsp.h new file mode 100644 index 0000000000..603c36f7af --- /dev/null +++ b/libavcodec/huffyuvencdsp.h @@ -0,0 +1,41 @@ +/* + * 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_HUFFYUVENCDSP_H +#define AVCODEC_HUFFYUVENCDSP_H + +#include + +typedef struct HuffYUVEncDSPContext { + void (*diff_bytes)(uint8_t *dst /* align 16 */, + uint8_t *src1 /* align 16 */, + uint8_t *src2 /* align 1 */, + int w); + /** + * Subtract HuffYUV's variant of median prediction. + * Note, this might read from src1[-1], src2[-1]. + */ + void (*sub_hfyu_median_pred)(uint8_t *dst, const uint8_t *src1, + const uint8_t *src2, int w, + int *left, int *left_top); +} HuffYUVEncDSPContext; + +void ff_huffyuvencdsp_init(HuffYUVEncDSPContext *c); +void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c); + +#endif /* AVCODEC_HUFFYUVENCDSP_H */ -- cgit v1.2.3