mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-13 02:34:54 +00:00
80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2013 Xiaolei Yu <dreifachstein@gmail.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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
#include "libswscale/swscale.h"
|
||
|
|
#include "libswscale/swscale_internal.h"
|
||
|
|
#include "libavutil/arm/cpu.h"
|
||
|
|
|
||
|
|
extern void rgbx_to_nv12_neon_32(const uint8_t *src, uint8_t *y, uint8_t *chroma,
|
||
|
|
int width, int height,
|
||
|
|
int y_stride, int c_stride, int src_stride,
|
||
|
|
int32_t coeff_tbl[9]);
|
||
|
|
|
||
|
|
extern void rgbx_to_nv12_neon_16(const uint8_t *src, uint8_t *y, uint8_t *chroma,
|
||
|
|
int width, int height,
|
||
|
|
int y_stride, int c_stride, int src_stride,
|
||
|
|
int32_t coeff_tbl[9]);
|
||
|
|
|
||
|
|
static int rgbx_to_nv12_neon_32_wrapper(SwsContext *context, const uint8_t *src[],
|
||
|
|
int srcStride[], int srcSliceY, int srcSliceH,
|
||
|
|
uint8_t *dst[], int dstStride[]) {
|
||
|
|
|
||
|
|
rgbx_to_nv12_neon_32(src[0] + srcSliceY * srcStride[0],
|
||
|
|
dst[0] + srcSliceY * dstStride[0],
|
||
|
|
dst[1] + (srcSliceY / 2) * dstStride[1],
|
||
|
|
context->srcW, srcSliceH,
|
||
|
|
dstStride[0], dstStride[1], srcStride[0],
|
||
|
|
context->input_rgb2yuv_table);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int rgbx_to_nv12_neon_16_wrapper(SwsContext *context, const uint8_t *src[],
|
||
|
|
int srcStride[], int srcSliceY, int srcSliceH,
|
||
|
|
uint8_t *dst[], int dstStride[]) {
|
||
|
|
|
||
|
|
rgbx_to_nv12_neon_16(src[0] + srcSliceY * srcStride[0],
|
||
|
|
dst[0] + srcSliceY * dstStride[0],
|
||
|
|
dst[1] + (srcSliceY / 2) * dstStride[1],
|
||
|
|
context->srcW, srcSliceH,
|
||
|
|
dstStride[0], dstStride[1], srcStride[0],
|
||
|
|
context->input_rgb2yuv_table);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void get_unscaled_swscale_neon(SwsContext *c) {
|
||
|
|
int accurate_rnd = c->flags & SWS_ACCURATE_RND;
|
||
|
|
if (c->srcFormat == AV_PIX_FMT_RGBA
|
||
|
|
&& c->dstFormat == AV_PIX_FMT_NV12
|
||
|
|
&& (c->srcW >= 16)) {
|
||
|
|
c->swscale = accurate_rnd ? rgbx_to_nv12_neon_32_wrapper
|
||
|
|
: rgbx_to_nv12_neon_16_wrapper;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ff_get_unscaled_swscale_arm(SwsContext *c)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
if (have_neon(cpu_flags))
|
||
|
|
get_unscaled_swscale_neon(c);
|
||
|
|
}
|