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/*
* 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
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/aarch64/cpu.h"
#include "libavutil/cpu.h"
#include "libavutil/bswap.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
// Only handle width aligned to 16
void ff_rgb24toyv12_neon(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride, const int32_t *rgb2yuv);
static void rgb24toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride, const int32_t *rgb2yuv)
{
int width_align = width & (~15);
if (width_align > 0)
ff_rgb24toyv12_neon(src, ydst, udst, vdst, width_align, height,
lumStride, chromStride, srcStride, rgb2yuv);
if (width_align < width) {
src += width_align * 3;
ydst += width_align;
udst += width_align / 2;
vdst += width_align / 2;
ff_rgb24toyv12_c(src, ydst, udst, vdst, width - width_align, height,
lumStride, chromStride, srcStride, rgb2yuv);
}
}
void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2,
uint8_t *dest, int width, int height,
int src1Stride, int src2Stride, int dstStride);
void ff_deinterleave_bytes_neon(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
int width, int height, int srcStride,
int dst1Stride, int dst2Stride);
av_cold void rgb2rgb_init_aarch64(void)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
ff_rgb24toyv12 = rgb24toyv12;
interleaveBytes = ff_interleave_bytes_neon;
deinterleaveBytes = ff_deinterleave_bytes_neon;
}
}
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