mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.8 KiB
61 lines
1.8 KiB
/* |
|
* 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); |
|
} |
|
} |
|
|
|
static av_unused av_cold void ff_v210dec_init(V210DecContext *s) |
|
{ |
|
s->unpack_frame = v210_planar_unpack_c; |
|
if (ARCH_X86) |
|
ff_v210_x86_init(s); |
|
} |
|
|
|
#endif /* AVCODEC_V210DEC_INIT_H */
|
|
|