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/*
* V210 decoder DSP init
*
* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
*
* 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_V210DEC_INIT_H
#define AVCODEC_V210DEC_INIT_H
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/bswap.h"
#include "v210dec.h"
#define READ_PIXELS(a, b, c) \
do { \
val = av_le2ne32(*src++); \
*a++ = val & 0x3FF; \
*b++ = (val >> 10) & 0x3FF; \
*c++ = (val >> 20) & 0x3FF; \
} while (0)
static void v210_planar_unpack_c(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
{
uint32_t val;
for (int i = 0; i < width - 5; i += 6) {
READ_PIXELS(u, y, v);
READ_PIXELS(y, u, y);
READ_PIXELS(v, y, u);
READ_PIXELS(y, v, y);
}
}
av_unused static av_cold void ff_v210dec_init(V210DecContext *s)
{
s->unpack_frame = v210_planar_unpack_c;
#if ARCH_X86 && HAVE_X86ASM
ff_v210_x86_init(s);
#endif
}
#endif /* AVCODEC_V210DEC_INIT_H */
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