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62 lines
1.8 KiB
62 lines
1.8 KiB
/* |
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* V210 decoder DSP init |
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* |
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* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_V210DEC_INIT_H |
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#define AVCODEC_V210DEC_INIT_H |
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#include <stdint.h> |
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#include "config.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/bswap.h" |
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#include "v210dec.h" |
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#define READ_PIXELS(a, b, c) \ |
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do { \ |
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val = av_le2ne32(*src++); \ |
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*a++ = val & 0x3FF; \ |
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*b++ = (val >> 10) & 0x3FF; \ |
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*c++ = (val >> 20) & 0x3FF; \ |
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} while (0) |
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static void v210_planar_unpack_c(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) |
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{ |
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uint32_t val; |
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for (int i = 0; i < width - 5; i += 6) { |
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READ_PIXELS(u, y, v); |
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READ_PIXELS(y, u, y); |
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READ_PIXELS(v, y, u); |
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READ_PIXELS(y, v, y); |
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} |
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} |
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static av_unused av_cold void ff_v210dec_init(V210DecContext *s) |
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{ |
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s->unpack_frame = v210_planar_unpack_c; |
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#if ARCH_X86 |
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ff_v210_x86_init(s); |
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#endif |
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} |
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#endif /* AVCODEC_V210DEC_INIT_H */
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