mirror of https://git.ffmpeg.org/ffmpeg.git
282 lines
11 KiB
C
282 lines
11 KiB
C
/*
|
|
* software YUV to RGB converter
|
|
*
|
|
* Copyright (C) 2001-2007 Michael Niedermayer
|
|
* Copyright (C) 2009-2010 Konstantin Shishkov
|
|
*
|
|
* MMX/MMXEXT template stuff (needed for fast movntq support),
|
|
* 1,4,8bpp support and context / deglobalize stuff
|
|
* by Michael Niedermayer (michaelni@gmx.at)
|
|
*
|
|
* 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "config.h"
|
|
#include "libswscale/rgb2rgb.h"
|
|
#include "libswscale/swscale.h"
|
|
#include "libswscale/swscale_internal.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/x86/asm.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavutil/cpu.h"
|
|
|
|
#if HAVE_X86ASM
|
|
|
|
#define YUV2RGB_LOOP(depth) \
|
|
h_size = (c->opts.dst_w + 7) & ~7; \
|
|
if (h_size * depth > FFABS(dstStride[0])) \
|
|
h_size -= 8; \
|
|
\
|
|
vshift = c->opts.src_format != AV_PIX_FMT_YUV422P; \
|
|
\
|
|
for (y = 0; y < srcSliceH; y++) { \
|
|
uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \
|
|
const uint8_t *py = src[0] + y * srcStride[0]; \
|
|
const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \
|
|
const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
|
|
x86_reg index = -h_size / 2; \
|
|
|
|
extern void ff_yuv_420_rgb24_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
extern void ff_yuv_420_bgr24_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
|
|
extern void ff_yuv_420_rgb15_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
extern void ff_yuv_420_rgb16_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
extern void ff_yuv_420_rgb32_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
extern void ff_yuv_420_bgr32_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
extern void ff_yuva_420_rgb32_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index, const uint8_t *pa_2index);
|
|
extern void ff_yuva_420_bgr32_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
|
|
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index, const uint8_t *pa_2index);
|
|
#if ARCH_X86_64
|
|
extern void ff_yuv_420_gbrp24_ssse3(x86_reg index, uint8_t *image, uint8_t *dst_b, uint8_t *dst_r,
|
|
const uint8_t *pu_index, const uint8_t *pv_index,
|
|
const uint64_t *pointer_c_dither,
|
|
const uint8_t *py_2index);
|
|
#endif
|
|
|
|
static inline int yuv420_rgb15_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(2)
|
|
|
|
c->blueDither = ff_dither8[y & 1];
|
|
c->greenDither = ff_dither8[y & 1];
|
|
c->redDither = ff_dither8[(y + 1) & 1];
|
|
|
|
ff_yuv_420_rgb15_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuv420_rgb16_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(2)
|
|
|
|
c->blueDither = ff_dither8[y & 1];
|
|
c->greenDither = ff_dither4[y & 1];
|
|
c->redDither = ff_dither8[(y + 1) & 1];
|
|
|
|
ff_yuv_420_rgb16_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuv420_rgb32_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(4)
|
|
|
|
ff_yuv_420_rgb32_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuv420_bgr32_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(4)
|
|
|
|
ff_yuv_420_bgr32_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuva420_rgb32_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
YUV2RGB_LOOP(4)
|
|
|
|
const uint8_t *pa = src[3] + y * srcStride[3];
|
|
ff_yuva_420_rgb32_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuva420_bgr32_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(4)
|
|
|
|
const uint8_t *pa = src[3] + y * srcStride[3];
|
|
ff_yuva_420_bgr32_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuv420_rgb24_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(3)
|
|
|
|
ff_yuv_420_rgb24_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static inline int yuv420_bgr24_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(3)
|
|
|
|
ff_yuv_420_bgr24_ssse3(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
#if ARCH_X86_64
|
|
static inline int yuv420_gbrp_ssse3(SwsInternal *c, const uint8_t *const src[],
|
|
const int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *const dst[], const int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
h_size = (c->opts.dst_w + 7) & ~7;
|
|
if (h_size * 3 > FFABS(dstStride[0]))
|
|
h_size -= 8;
|
|
|
|
vshift = c->opts.src_format != AV_PIX_FMT_YUV422P;
|
|
|
|
for (y = 0; y < srcSliceH; y++) {
|
|
uint8_t *dst_g = dst[0] + (y + srcSliceY) * dstStride[0];
|
|
uint8_t *dst_b = dst[1] + (y + srcSliceY) * dstStride[1];
|
|
uint8_t *dst_r = dst[2] + (y + srcSliceY) * dstStride[2];
|
|
const uint8_t *py = src[0] + y * srcStride[0];
|
|
const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1];
|
|
const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2];
|
|
x86_reg index = -h_size / 2;
|
|
|
|
ff_yuv_420_gbrp24_ssse3(index, dst_g, dst_b, dst_r, pu - index, pv - index, &(c->redDither), py - 2 * index);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAVE_X86ASM */
|
|
|
|
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsInternal *c)
|
|
{
|
|
#if HAVE_X86ASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (EXTERNAL_SSSE3(cpu_flags)) {
|
|
switch (c->opts.dst_format) {
|
|
case AV_PIX_FMT_RGB32:
|
|
if (c->opts.src_format == AV_PIX_FMT_YUVA420P) {
|
|
#if CONFIG_SWSCALE_ALPHA
|
|
return yuva420_rgb32_ssse3;
|
|
#endif
|
|
break;
|
|
} else
|
|
return yuv420_rgb32_ssse3;
|
|
case AV_PIX_FMT_BGR32:
|
|
if (c->opts.src_format == AV_PIX_FMT_YUVA420P) {
|
|
#if CONFIG_SWSCALE_ALPHA
|
|
return yuva420_bgr32_ssse3;
|
|
#endif
|
|
break;
|
|
} else
|
|
return yuv420_bgr32_ssse3;
|
|
case AV_PIX_FMT_RGB24:
|
|
return yuv420_rgb24_ssse3;
|
|
case AV_PIX_FMT_BGR24:
|
|
return yuv420_bgr24_ssse3;
|
|
case AV_PIX_FMT_RGB565:
|
|
return yuv420_rgb16_ssse3;
|
|
case AV_PIX_FMT_RGB555:
|
|
return yuv420_rgb15_ssse3;
|
|
#if ARCH_X86_64
|
|
case AV_PIX_FMT_GBRP:
|
|
return yuv420_gbrp_ssse3;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#endif /* HAVE_X86ASM */
|
|
return NULL;
|
|
}
|