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FFmpeg/libswscale/output.c

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/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <assert.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/attributes.h"
#include "libavutil/avutil.h"
#include "libavutil/bswap.h"
#include "libavutil/cpu.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "config.h"
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={
{ 1, 3, 1, 3, 1, 3, 1, 3, },
{ 2, 0, 2, 0, 2, 0, 2, 0, },
};
DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={
{ 6, 2, 6, 2, 6, 2, 6, 2, },
{ 0, 4, 0, 4, 0, 4, 0, 4, },
};
DECLARE_ALIGNED(8, const uint8_t, ff_dither_4x4_16)[4][8] = {
{ 8, 4, 11, 7, 8, 4, 11, 7, },
{ 2, 14, 1, 13, 2, 14, 1, 13, },
{ 10, 6, 9, 5, 10, 6, 9, 5, },
{ 0, 12, 3, 15, 0, 12, 3, 15, },
};
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_32)[8][8] = {
{ 17, 9, 23, 15, 16, 8, 22, 14, },
{ 5, 29, 3, 27, 4, 28, 2, 26, },
{ 21, 13, 19, 11, 20, 12, 18, 10, },
{ 0, 24, 6, 30, 1, 25, 7, 31, },
{ 16, 8, 22, 14, 17, 9, 23, 15, },
{ 4, 28, 2, 26, 5, 29, 3, 27, },
{ 20, 12, 18, 10, 21, 13, 19, 11, },
{ 1, 25, 7, 31, 0, 24, 6, 30, },
};
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_73)[8][8] = {
{ 0, 55, 14, 68, 3, 58, 17, 72, },
{ 37, 18, 50, 32, 40, 22, 54, 35, },
{ 9, 64, 5, 59, 13, 67, 8, 63, },
{ 46, 27, 41, 23, 49, 31, 44, 26, },
{ 2, 57, 16, 71, 1, 56, 15, 70, },
{ 39, 21, 52, 34, 38, 19, 51, 33, },
{ 11, 66, 7, 62, 10, 65, 6, 60, },
{ 48, 30, 43, 25, 47, 29, 42, 24, },
};
#if 1
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[8][8] = {
{117, 62, 158, 103, 113, 58, 155, 100, },
{ 34, 199, 21, 186, 31, 196, 17, 182, },
{144, 89, 131, 76, 141, 86, 127, 72, },
{ 0, 165, 41, 206, 10, 175, 52, 217, },
{110, 55, 151, 96, 120, 65, 162, 107, },
{ 28, 193, 14, 179, 38, 203, 24, 189, },
{138, 83, 124, 69, 148, 93, 134, 79, },
{ 7, 172, 48, 213, 3, 168, 45, 210, },
};
#elif 1
// tries to correct a gamma of 1.5
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[8][8] = {
{ 0, 143, 18, 200, 2, 156, 25, 215, },
{ 78, 28, 125, 64, 89, 36, 138, 74, },
{ 10, 180, 3, 161, 16, 195, 8, 175, },
{109, 51, 93, 38, 121, 60, 105, 47, },
{ 1, 152, 23, 210, 0, 147, 20, 205, },
{ 85, 33, 134, 71, 81, 30, 130, 67, },
{ 14, 190, 6, 171, 12, 185, 5, 166, },
{117, 57, 101, 44, 113, 54, 97, 41, },
};
#elif 1
// tries to correct a gamma of 2.0
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[8][8] = {
{ 0, 124, 8, 193, 0, 140, 12, 213, },
{ 55, 14, 104, 42, 66, 19, 119, 52, },
{ 3, 168, 1, 145, 6, 187, 3, 162, },
{ 86, 31, 70, 21, 99, 39, 82, 28, },
{ 0, 134, 11, 206, 0, 129, 9, 200, },
{ 62, 17, 114, 48, 58, 16, 109, 45, },
{ 5, 181, 2, 157, 4, 175, 1, 151, },
{ 95, 36, 78, 26, 90, 34, 74, 24, },
};
#else
// tries to correct a gamma of 2.5
DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[8][8] = {
{ 0, 107, 3, 187, 0, 125, 6, 212, },
{ 39, 7, 86, 28, 49, 11, 102, 36, },
{ 1, 158, 0, 131, 3, 180, 1, 151, },
{ 68, 19, 52, 12, 81, 25, 64, 17, },
{ 0, 119, 5, 203, 0, 113, 4, 195, },
{ 45, 9, 96, 33, 42, 8, 91, 30, },
{ 2, 172, 1, 144, 2, 165, 0, 137, },
{ 77, 23, 60, 15, 72, 21, 56, 14, },
};
#endif
#define output_pixel(pos, val, bias, signedness) \
if (big_endian) { \
AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
} else { \
AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
}
static av_always_inline void
yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW,
int big_endian, int output_bits)
{
int i;
int shift = 19 - output_bits;
for (i = 0; i < dstW; i++) {
int val = src[i] + (1 << (shift - 1));
output_pixel(&dest[i], val, 0, uint);
}
}
static av_always_inline void
yuv2planeX_16_c_template(const int16_t *filter, int filterSize,
const int32_t **src, uint16_t *dest, int dstW,
int big_endian, int output_bits)
{
int i;
int shift = 15 + 16 - output_bits;
for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits);
int j;
/* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline
* filters (or anything with negative coeffs, the range can be slightly
* wider in both directions. To account for this overflow, we subtract
* a constant so it always fits in the signed range (assuming a
* reasonable filterSize), and re-add that at the end. */
val -= 0x40000000;
for (j = 0; j < filterSize; j++)
val += src[j][i] * filter[j];
output_pixel(&dest[i], val, 0x8000, int);
}
}
#undef output_pixel
#define output_pixel(pos, val) \
if (big_endian) { \
AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} else { \
AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
}
static av_always_inline void
yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW,
int big_endian, int output_bits)
{
int i;
int shift = 15 - output_bits;
for (i = 0; i < dstW; i++) {
int val = src[i] + (1 << (shift - 1));
output_pixel(&dest[i], val);
}
}
static av_always_inline void
yuv2planeX_10_c_template(const int16_t *filter, int filterSize,
const int16_t **src, uint16_t *dest, int dstW,
int big_endian, int output_bits)
{
int i;
int shift = 11 + 16 - output_bits;
for (i = 0; i < dstW; i++) {
int val = 1 << (26-output_bits);
int j;
for (j = 0; j < filterSize; j++)
val += src[j][i] * filter[j];
output_pixel(&dest[i], val);
}
}
#undef output_pixel
#define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \
static void yuv2plane1_ ## bits ## BE_LE ## _c(const int16_t *src, \
uint8_t *dest, int dstW, \
const uint8_t *dither, int offset)\
{ \
yuv2plane1_ ## template_size ## _c_template((const typeX_t *) src, \
(uint16_t *) dest, dstW, is_be, bits); \
}\
static void yuv2planeX_ ## bits ## BE_LE ## _c(const int16_t *filter, int filterSize, \
const int16_t **src, uint8_t *dest, int dstW, \
const uint8_t *dither, int offset)\
{ \
yuv2planeX_## template_size ## _c_template(filter, \
filterSize, (const typeX_t **) src, \
(uint16_t *) dest, dstW, is_be, bits); \
}
yuv2NBPS( 9, BE, 1, 10, int16_t)
yuv2NBPS( 9, LE, 0, 10, int16_t)
yuv2NBPS(10, BE, 1, 10, int16_t)
yuv2NBPS(10, LE, 0, 10, int16_t)
yuv2NBPS(16, BE, 1, 16, int32_t)
yuv2NBPS(16, LE, 0, 16, int32_t)
static void yuv2planeX_8_c(const int16_t *filter, int filterSize,
const int16_t **src, uint8_t *dest, int dstW,
const uint8_t *dither, int offset)
{
int i;
for (i=0; i<dstW; i++) {
int val = dither[(i + offset) & 7] << 12;
int j;
for (j=0; j<filterSize; j++)
val += src[j][i] * filter[j];
dest[i]= av_clip_uint8(val>>19);
}
}
static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW,
const uint8_t *dither, int offset)
{
int i;
for (i=0; i<dstW; i++) {
int val = (src[i] + dither[(i + offset) & 7]) >> 7;
dest[i]= av_clip_uint8(val);
}
}
static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
const int16_t **chrUSrc, const int16_t **chrVSrc,
uint8_t *dest, int chrDstW)
{
enum AVPixelFormat dstFormat = c->dstFormat;
const uint8_t *chrDither = c->chrDither8;
int i;
if (dstFormat == AV_PIX_FMT_NV12)
for (i=0; i<chrDstW; i++) {
int u = chrDither[i & 7] << 12;
int v = chrDither[(i + 3) & 7] << 12;
int j;
for (j=0; j<chrFilterSize; j++) {
u += chrUSrc[j][i] * chrFilter[j];
v += chrVSrc[j][i] * chrFilter[j];
}
dest[2*i]= av_clip_uint8(u>>19);
dest[2*i+1]= av_clip_uint8(v>>19);
}
else
for (i=0; i<chrDstW; i++) {
int u = chrDither[i & 7] << 12;
int v = chrDither[(i + 3) & 7] << 12;
int j;
for (j=0; j<chrFilterSize; j++) {
u += chrUSrc[j][i] * chrFilter[j];
v += chrVSrc[j][i] * chrFilter[j];
}
dest[2*i]= av_clip_uint8(v>>19);
dest[2*i+1]= av_clip_uint8(u>>19);
}
}
#define accumulate_bit(acc, val) \
acc <<= 1; \
acc |= (val) >= (128 + 110)
#define output_pixel(pos, acc) \
if (target == AV_PIX_FMT_MONOBLACK) { \
pos = acc; \
} else { \
pos = ~acc; \
}
static av_always_inline void
yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW,
int y, enum AVPixelFormat target)
{
const uint8_t * const d128 = ff_dither_8x8_220[y&7];
int i;
unsigned acc = 0;
for (i = 0; i < dstW; i += 2) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i] * lumFilter[j];
Y2 += lumSrc[j][i+1] * lumFilter[j];
}
Y1 >>= 19;
Y2 >>= 19;
if ((Y1 | Y2) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
}
accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);
accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);
if ((i & 7) == 6) {
output_pixel(*dest++, acc);
}
}
if (i & 6) {
output_pixel(*dest, acc);
}
}
static av_always_inline void
yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2],
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum AVPixelFormat target)
{
const int16_t *buf0 = buf[0], *buf1 = buf[1];
const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
int yalpha1 = 4096 - yalpha;
int i;
for (i = 0; i < dstW; i += 8) {
int Y, acc = 0;
Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[0]);
Y = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[1]);
Y = (buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[2]);
Y = (buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[3]);
Y = (buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[4]);
Y = (buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[5]);
Y = (buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[6]);
Y = (buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19;
accumulate_bit(acc, Y + d128[7]);
output_pixel(*dest++, acc);
}
}
static av_always_inline void
yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf0, uint8_t *dest, int dstW,
int uvalpha, int y, enum AVPixelFormat target)
{
const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
int i;
for (i = 0; i < dstW; i += 8) {
int acc = 0;
accumulate_bit(acc, (buf0[i + 0] >> 7) + d128[0]);
accumulate_bit(acc, (buf0[i + 1] >> 7) + d128[1]);
accumulate_bit(acc, (buf0[i + 2] >> 7) + d128[2]);
accumulate_bit(acc, (buf0[i + 3] >> 7) + d128[3]);
accumulate_bit(acc, (buf0[i + 4] >> 7) + d128[4]);
accumulate_bit(acc, (buf0[i + 5] >> 7) + d128[5]);
accumulate_bit(acc, (buf0[i + 6] >> 7) + d128[6]);
accumulate_bit(acc, (buf0[i + 7] >> 7) + d128[7]);
output_pixel(*dest++, acc);
}
}
#undef output_pixel
#undef accumulate_bit
#define YUV2PACKEDWRAPPER(name, base, ext, fmt) \
static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
const int16_t **lumSrc, int lumFilterSize, \
const int16_t *chrFilter, const int16_t **chrUSrc, \
const int16_t **chrVSrc, int chrFilterSize, \
const int16_t **alpSrc, uint8_t *dest, int dstW, \
int y) \
{ \
name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, dest, dstW, y, fmt); \
} \
\
static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
const int16_t *ubuf[2], const int16_t *vbuf[2], \
const int16_t *abuf[2], uint8_t *dest, int dstW, \
int yalpha, int uvalpha, int y) \
{ \
name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
dest, dstW, yalpha, uvalpha, y, fmt); \
} \
\
static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
const int16_t *ubuf[2], const int16_t *vbuf[2], \
const int16_t *abuf0, uint8_t *dest, int dstW, \
int uvalpha, int y) \
{ \
name ## base ## _1_c_template(c, buf0, ubuf, vbuf, \
abuf0, dest, dstW, uvalpha, \
y, fmt); \
}
YUV2PACKEDWRAPPER(yuv2mono,, white, AV_PIX_FMT_MONOWHITE)
YUV2PACKEDWRAPPER(yuv2mono,, black, AV_PIX_FMT_MONOBLACK)
#define output_pixels(pos, Y1, U, Y2, V) \
if (target == AV_PIX_FMT_YUYV422) { \
dest[pos + 0] = Y1; \
dest[pos + 1] = U; \
dest[pos + 2] = Y2; \
dest[pos + 3] = V; \
} else { \
dest[pos + 0] = U; \
dest[pos + 1] = Y1; \
dest[pos + 2] = V; \
dest[pos + 3] = Y2; \
}
static av_always_inline void
yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW,
int y, enum AVPixelFormat target)
{
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
int U = 1 << 18;
int V = 1 << 18;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i * 2] * lumFilter[j];
Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
}
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y1 >>= 19;
Y2 >>= 19;
U >>= 19;
V >>= 19;
if ((Y1 | Y2 | U | V) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
}
output_pixels(4*i, Y1, U, Y2, V);
}
}
static av_always_inline void
yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum AVPixelFormat target)
{
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
int yalpha1 = 4096 - yalpha;
int uvalpha1 = 4096 - uvalpha;
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
output_pixels(i * 4, Y1, U, Y2, V);
}
}
static av_always_inline void
yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf0, uint8_t *dest, int dstW,
int uvalpha, int y, enum AVPixelFormat target)
{
const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
int i;
if (uvalpha < 2048) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = ubuf0[i] >> 7;
int V = vbuf0[i] >> 7;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
output_pixels(i * 4, Y1, U, Y2, V);
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = (ubuf0[i] + ubuf1[i]) >> 8;
int V = (vbuf0[i] + vbuf1[i]) >> 8;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
output_pixels(i * 4, Y1, U, Y2, V);
}
}
}
#undef output_pixels
YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, AV_PIX_FMT_YUYV422)
YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, AV_PIX_FMT_UYVY422)
#define R_B ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE) ? R : B)
#define B_R ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE) ? B : R)
#define output_pixel(pos, val) \
if (isBE(target)) { \
AV_WB16(pos, val); \
} else { \
AV_WL16(pos, val); \
}
static av_always_inline void
yuv2rgb48_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int32_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int32_t **chrUSrc,
const int32_t **chrVSrc, int chrFilterSize,
const int32_t **alpSrc, uint16_t *dest, int dstW,
int y, enum AVPixelFormat target)
{
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = -0x40000000;
int Y2 = -0x40000000;
int U = -128 << 23; // 19
int V = -128 << 23;
int R, G, B;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i * 2] * lumFilter[j];
Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
}
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
// 8bit: 12+15=27; 16-bit: 12+19=31
Y1 >>= 14; // 10
Y1 += 0x10000;
Y2 >>= 14;
Y2 += 0x10000;
U >>= 14;
V >>= 14;
// 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit
Y1 -= c->yuv2rgb_y_offset;
Y2 -= c->yuv2rgb_y_offset;
Y1 *= c->yuv2rgb_y_coeff;
Y2 *= c->yuv2rgb_y_coeff;
Y1 += 1 << 13; // 21
Y2 += 1 << 13;
// 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit
R = V * c->yuv2rgb_v2r_coeff;
G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = U * c->yuv2rgb_u2b_coeff;
// 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit
output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
dest += 6;
}
}
static av_always_inline void
yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2],
const int32_t *ubuf[2], const int32_t *vbuf[2],
const int32_t *abuf[2], uint16_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum AVPixelFormat target)
{
const int32_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
int yalpha1 = 4096 - yalpha;
int uvalpha1 = 4096 - uvalpha;
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha + (-128 << 23)) >> 14;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha + (-128 << 23)) >> 14;
int R, G, B;
Y1 -= c->yuv2rgb_y_offset;
Y2 -= c->yuv2rgb_y_offset;
Y1 *= c->yuv2rgb_y_coeff;
Y2 *= c->yuv2rgb_y_coeff;
Y1 += 1 << 13;
Y2 += 1 << 13;
R = V * c->yuv2rgb_v2r_coeff;
G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = U * c->yuv2rgb_u2b_coeff;
output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
dest += 6;
}
}
static av_always_inline void
yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
const int32_t *ubuf[2], const int32_t *vbuf[2],
const int32_t *abuf0, uint16_t *dest, int dstW,
int uvalpha, int y, enum AVPixelFormat target)
{
const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
int i;
if (uvalpha < 2048) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + (-128 << 11)) >> 2;
int V = (vbuf0[i] + (-128 << 11)) >> 2;
int R, G, B;
Y1 -= c->yuv2rgb_y_offset;
Y2 -= c->yuv2rgb_y_offset;
Y1 *= c->yuv2rgb_y_coeff;
Y2 *= c->yuv2rgb_y_coeff;
Y1 += 1 << 13;
Y2 += 1 << 13;
R = V * c->yuv2rgb_v2r_coeff;
G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = U * c->yuv2rgb_u2b_coeff;
output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
dest += 6;
}
} else {
const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3;
int V = (vbuf0[i] + vbuf1[i] + (-128 << 12)) >> 3;
int R, G, B;
Y1 -= c->yuv2rgb_y_offset;
Y2 -= c->yuv2rgb_y_offset;
Y1 *= c->yuv2rgb_y_coeff;
Y2 *= c->yuv2rgb_y_coeff;
Y1 += 1 << 13;
Y2 += 1 << 13;
R = V * c->yuv2rgb_v2r_coeff;
G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = U * c->yuv2rgb_u2b_coeff;
output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
dest += 6;
}
}
}
#undef output_pixel
#undef r_b
#undef b_r
#define YUV2PACKED16WRAPPER(name, base, ext, fmt) \
static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
const int16_t **_lumSrc, int lumFilterSize, \
const int16_t *chrFilter, const int16_t **_chrUSrc, \
const int16_t **_chrVSrc, int chrFilterSize, \
const int16_t **_alpSrc, uint8_t *_dest, int dstW, \
int y) \
{ \
const int32_t **lumSrc = (const int32_t **) _lumSrc, \
**chrUSrc = (const int32_t **) _chrUSrc, \
**chrVSrc = (const int32_t **) _chrVSrc, \
**alpSrc = (const int32_t **) _alpSrc; \
uint16_t *dest = (uint16_t *) _dest; \
name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, dest, dstW, y, fmt); \
} \
\
static void name ## ext ## _2_c(SwsContext *c, const int16_t *_buf[2], \
const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
const int16_t *_abuf[2], uint8_t *_dest, int dstW, \
int yalpha, int uvalpha, int y) \
{ \
const int32_t **buf = (const int32_t **) _buf, \
**ubuf = (const int32_t **) _ubuf, \
**vbuf = (const int32_t **) _vbuf, \
**abuf = (const int32_t **) _abuf; \
uint16_t *dest = (uint16_t *) _dest; \
name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
dest, dstW, yalpha, uvalpha, y, fmt); \
} \
\
static void name ## ext ## _1_c(SwsContext *c, const int16_t *_buf0, \
const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
const int16_t *_abuf0, uint8_t *_dest, int dstW, \
int uvalpha, int y) \
{ \
const int32_t *buf0 = (const int32_t *) _buf0, \
**ubuf = (const int32_t **) _ubuf, \
**vbuf = (const int32_t **) _vbuf, \
*abuf0 = (const int32_t *) _abuf0; \
uint16_t *dest = (uint16_t *) _dest; \
name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
dstW, uvalpha, y, fmt); \
}
YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48be, AV_PIX_FMT_RGB48BE)
YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48le, AV_PIX_FMT_RGB48LE)
YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, AV_PIX_FMT_BGR48BE)
YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, AV_PIX_FMT_BGR48LE)
/*
* Write out 2 RGB pixels in the target pixel format. This function takes a
* R/G/B LUT as generated by ff_yuv2rgb_c_init_tables(), which takes care of
* things like endianness conversion and shifting. The caller takes care of
* setting the correct offset in these tables from the chroma (U/V) values.
* This function then uses the luminance (Y1/Y2) values to write out the
* correct RGB values into the destination buffer.
*/
static av_always_inline void
yuv2rgb_write(uint8_t *_dest, int i, unsigned Y1, unsigned Y2,
unsigned A1, unsigned A2,
const void *_r, const void *_g, const void *_b, int y,
enum AVPixelFormat target, int hasAlpha)
{
if (target == AV_PIX_FMT_ARGB || target == AV_PIX_FMT_RGBA ||
target == AV_PIX_FMT_ABGR || target == AV_PIX_FMT_BGRA) {
uint32_t *dest = (uint32_t *) _dest;
const uint32_t *r = (const uint32_t *) _r;
const uint32_t *g = (const uint32_t *) _g;
const uint32_t *b = (const uint32_t *) _b;
#if CONFIG_SMALL
int sh = hasAlpha ? ((target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24) : 0;
dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0);
dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0);
#else
if (hasAlpha) {
int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);
dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);
} else {
dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];
dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];
}
#endif
} else if (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) {
uint8_t *dest = (uint8_t *) _dest;
const uint8_t *r = (const uint8_t *) _r;
const uint8_t *g = (const uint8_t *) _g;
const uint8_t *b = (const uint8_t *) _b;
#define r_b ((target == AV_PIX_FMT_RGB24) ? r : b)
#define b_r ((target == AV_PIX_FMT_RGB24) ? b : r)
dest[i * 6 + 0] = r_b[Y1];
dest[i * 6 + 1] = g[Y1];
dest[i * 6 + 2] = b_r[Y1];
dest[i * 6 + 3] = r_b[Y2];
dest[i * 6 + 4] = g[Y2];
dest[i * 6 + 5] = b_r[Y2];
#undef r_b
#undef b_r
} else if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565 ||
target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555 ||
target == AV_PIX_FMT_RGB444 || target == AV_PIX_FMT_BGR444) {
uint16_t *dest = (uint16_t *) _dest;
const uint16_t *r = (const uint16_t *) _r;
const uint16_t *g = (const uint16_t *) _g;
const uint16_t *b = (const uint16_t *) _b;
int dr1, dg1, db1, dr2, dg2, db2;
if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565) {
dr1 = dither_2x2_8[ y & 1 ][0];
dg1 = dither_2x2_4[ y & 1 ][0];
db1 = dither_2x2_8[(y & 1) ^ 1][0];
dr2 = dither_2x2_8[ y & 1 ][1];
dg2 = dither_2x2_4[ y & 1 ][1];
db2 = dither_2x2_8[(y & 1) ^ 1][1];
} else if (target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555) {
dr1 = dither_2x2_8[ y & 1 ][0];
dg1 = dither_2x2_8[ y & 1 ][1];
db1 = dither_2x2_8[(y & 1) ^ 1][0];
dr2 = dither_2x2_8[ y & 1 ][1];
dg2 = dither_2x2_8[ y & 1 ][0];
db2 = dither_2x2_8[(y & 1) ^ 1][1];
} else {
dr1 = ff_dither_4x4_16[ y & 3 ][0];
dg1 = ff_dither_4x4_16[ y & 3 ][1];
db1 = ff_dither_4x4_16[(y & 3) ^ 3][0];
dr2 = ff_dither_4x4_16[ y & 3 ][1];
dg2 = ff_dither_4x4_16[ y & 3 ][0];
db2 = ff_dither_4x4_16[(y & 3) ^ 3][1];
}
dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
} else /* 8/4-bit */ {
uint8_t *dest = (uint8_t *) _dest;
const uint8_t *r = (const uint8_t *) _r;
const uint8_t *g = (const uint8_t *) _g;
const uint8_t *b = (const uint8_t *) _b;
int dr1, dg1, db1, dr2, dg2, db2;
if (target == AV_PIX_FMT_RGB8 || target == AV_PIX_FMT_BGR8) {
const uint8_t * const d64 = ff_dither_8x8_73[y & 7];
const uint8_t * const d32 = ff_dither_8x8_32[y & 7];
dr1 = dg1 = d32[(i * 2 + 0) & 7];
db1 = d64[(i * 2 + 0) & 7];
dr2 = dg2 = d32[(i * 2 + 1) & 7];
db2 = d64[(i * 2 + 1) & 7];
} else {
const uint8_t * const d64 = ff_dither_8x8_73 [y & 7];
const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
dr1 = db1 = d128[(i * 2 + 0) & 7];
dg1 = d64[(i * 2 + 0) & 7];
dr2 = db2 = d128[(i * 2 + 1) & 7];
dg2 = d64[(i * 2 + 1) & 7];
}
if (target == AV_PIX_FMT_RGB4 || target == AV_PIX_FMT_BGR4) {
dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] +
((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4);
} else {
dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
}
}
}
static av_always_inline void
yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW,
int y, enum AVPixelFormat target, int hasAlpha)
{
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j, A1, A2;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
int U = 1 << 18;
int V = 1 << 18;
const void *r, *g, *b;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i * 2] * lumFilter[j];
Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
}
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y1 >>= 19;
Y2 >>= 19;
U >>= 19;
V >>= 19;
if ((Y1 | Y2 | U | V) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
}
if (hasAlpha) {
A1 = 1 << 18;
A2 = 1 << 18;
for (j = 0; j < lumFilterSize; j++) {
A1 += alpSrc[j][i * 2 ] * lumFilter[j];
A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];
}
A1 >>= 19;
A2 >>= 19;
if ((A1 | A2) & 0x100) {
A1 = av_clip_uint8(A1);
A2 = av_clip_uint8(A2);
}
}
/* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/
r = c->table_rV[V];
g = (c->table_gU[U] + c->table_gV[V]);
b = c->table_bU[U];
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
r, g, b, y, target, hasAlpha);
}
}
static av_always_inline void
yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum AVPixelFormat target, int hasAlpha)
{
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
*abuf0 = hasAlpha ? abuf[0] : NULL,
*abuf1 = hasAlpha ? abuf[1] : NULL;
int yalpha1 = 4096 - yalpha;
int uvalpha1 = 4096 - uvalpha;
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
int A1, A2;
const void *r, *g, *b;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
r = c->table_rV[V];
g = (c->table_gU[U] + c->table_gV[V]);
b = c->table_bU[U];
if (hasAlpha) {
A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19;
A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;
A1 = av_clip_uint8(A1);
A2 = av_clip_uint8(A2);
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
r, g, b, y, target, hasAlpha);
}
}
static av_always_inline void
yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf0, uint8_t *dest, int dstW,
int uvalpha, int y, enum AVPixelFormat target,
int hasAlpha)
{
const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
int i;
if (uvalpha < 2048) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = ubuf0[i] >> 7;
int V = vbuf0[i] >> 7;
int A1, A2;
const void *r, *g, *b;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
r = c->table_rV[V];
g = (c->table_gU[U] + c->table_gV[V]);
b = c->table_bU[U];
if (hasAlpha) {
A1 = abuf0[i * 2 ] >> 7;
A2 = abuf0[i * 2 + 1] >> 7;
A1 = av_clip_uint8(A1);
A2 = av_clip_uint8(A2);
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
r, g, b, y, target, hasAlpha);
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = (ubuf0[i] + ubuf1[i]) >> 8;
int V = (vbuf0[i] + vbuf1[i]) >> 8;
int A1, A2;
const void *r, *g, *b;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
r = c->table_rV[V];
g = (c->table_gU[U] + c->table_gV[V]);
b = c->table_bU[U];
if (hasAlpha) {
A1 = abuf0[i * 2 ] >> 7;
A2 = abuf0[i * 2 + 1] >> 7;
A1 = av_clip_uint8(A1);
A2 = av_clip_uint8(A2);
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
r, g, b, y, target, hasAlpha);
}
}
}
#define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
const int16_t **lumSrc, int lumFilterSize, \
const int16_t *chrFilter, const int16_t **chrUSrc, \
const int16_t **chrVSrc, int chrFilterSize, \
const int16_t **alpSrc, uint8_t *dest, int dstW, \
int y) \
{ \
name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, dest, dstW, y, fmt, hasAlpha); \
}
#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
const int16_t *ubuf[2], const int16_t *vbuf[2], \
const int16_t *abuf[2], uint8_t *dest, int dstW, \
int yalpha, int uvalpha, int y) \
{ \
name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \
} \
\
static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
const int16_t *ubuf[2], const int16_t *vbuf[2], \
const int16_t *abuf0, uint8_t *dest, int dstW, \
int uvalpha, int y) \
{ \
name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
dstW, uvalpha, y, fmt, hasAlpha); \
}
#if CONFIG_SMALL
YUV2RGBWRAPPER(yuv2rgb,, 32_1, AV_PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2rgb,, 32, AV_PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
#else
#if CONFIG_SWSCALE_ALPHA
YUV2RGBWRAPPER(yuv2rgb,, a32_1, AV_PIX_FMT_RGB32_1, 1)
YUV2RGBWRAPPER(yuv2rgb,, a32, AV_PIX_FMT_RGB32, 1)
#endif
YUV2RGBWRAPPER(yuv2rgb,, x32_1, AV_PIX_FMT_RGB32_1, 0)
YUV2RGBWRAPPER(yuv2rgb,, x32, AV_PIX_FMT_RGB32, 0)
#endif
YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24, 0)
YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24, 0)
YUV2RGBWRAPPER(yuv2rgb,, 16, AV_PIX_FMT_RGB565, 0)
YUV2RGBWRAPPER(yuv2rgb,, 15, AV_PIX_FMT_RGB555, 0)
YUV2RGBWRAPPER(yuv2rgb,, 12, AV_PIX_FMT_RGB444, 0)
YUV2RGBWRAPPER(yuv2rgb,, 8, AV_PIX_FMT_RGB8, 0)
YUV2RGBWRAPPER(yuv2rgb,, 4, AV_PIX_FMT_RGB4, 0)
YUV2RGBWRAPPER(yuv2rgb,, 4b, AV_PIX_FMT_RGB4_BYTE, 0)
static av_always_inline void
yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest,
int dstW, int y, enum AVPixelFormat target, int hasAlpha)
{
int i;
int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
for (i = 0; i < dstW; i++) {
int j;
int Y = 0;
int U = -128 << 19;
int V = -128 << 19;
int R, G, B, A;
for (j = 0; j < lumFilterSize; j++) {
Y += lumSrc[j][i] * lumFilter[j];
}
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y >>= 10;
U >>= 10;
V >>= 10;
if (hasAlpha) {
A = 1 << 21;
for (j = 0; j < lumFilterSize; j++) {
A += alpSrc[j][i] * lumFilter[j];
}
A >>= 19;
if (A & 0x100)
A = av_clip_uint8(A);
}
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
R = Y + V*c->yuv2rgb_v2r_coeff;
G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
B = Y + U*c->yuv2rgb_u2b_coeff;
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);
B = av_clip_uintp2(B, 30);
}
switch(target) {
case AV_PIX_FMT_ARGB:
dest[0] = hasAlpha ? A : 255;
dest[1] = R >> 22;
dest[2] = G >> 22;
dest[3] = B >> 22;
break;
case AV_PIX_FMT_RGB24:
dest[0] = R >> 22;
dest[1] = G >> 22;
dest[2] = B >> 22;
break;
case AV_PIX_FMT_RGBA:
dest[0] = R >> 22;
dest[1] = G >> 22;
dest[2] = B >> 22;
dest[3] = hasAlpha ? A : 255;
break;
case AV_PIX_FMT_ABGR:
dest[0] = hasAlpha ? A : 255;
dest[1] = B >> 22;
dest[2] = G >> 22;
dest[3] = R >> 22;
dest += 4;
break;
case AV_PIX_FMT_BGR24:
dest[0] = B >> 22;
dest[1] = G >> 22;
dest[2] = R >> 22;
break;
case AV_PIX_FMT_BGRA:
dest[0] = B >> 22;
dest[1] = G >> 22;
dest[2] = R >> 22;
dest[3] = hasAlpha ? A : 255;
break;
}
dest += step;
}
}
#if CONFIG_SMALL
YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
#else
#if CONFIG_SWSCALE_ALPHA
YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, 1)
YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, 1)
YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, 1)
YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, 1)
#endif
YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
#endif
YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
static void
yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t **dest,
int dstW, int y)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
int i;
int hasAlpha = 0;
uint16_t **dest16 = (uint16_t**)dest;
int SH = 22 + 7 - desc->comp[0].depth_minus1;
for (i = 0; i < dstW; i++) {
int j;
int Y = 1 << 9;
int U = (1 << 9) - (128 << 19);
int V = (1 << 9) - (128 << 19);
int R, G, B, A;
for (j = 0; j < lumFilterSize; j++)
Y += lumSrc[j][i] * lumFilter[j];
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y >>= 10;
U >>= 10;
V >>= 10;
if (hasAlpha) {
A = 1 << 18;
for (j = 0; j < lumFilterSize; j++)
A += alpSrc[j][i] * lumFilter[j];
A >>= 19;
if (A & 0x100)
A = av_clip_uint8(A);
}
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
R = Y + V * c->yuv2rgb_v2r_coeff;
G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = Y + U * c->yuv2rgb_u2b_coeff;
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);
B = av_clip_uintp2(B, 30);
}
if (SH != 22) {
dest16[0][i] = G >> SH;
dest16[1][i] = B >> SH;
dest16[2][i] = R >> SH;
} else {
dest[0][i] = G >> 22;
dest[1][i] = B >> 22;
dest[2][i] = R >> 22;
}
}
if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
for (i = 0; i < dstW; i++) {
dest16[0][i] = av_bswap16(dest16[0][i]);
dest16[1][i] = av_bswap16(dest16[1][i]);
dest16[2][i] = av_bswap16(dest16[2][i]);
}
}
}
av_cold void ff_sws_init_output_funcs(SwsContext *c,
yuv2planar1_fn *yuv2plane1,
yuv2planarX_fn *yuv2planeX,
yuv2interleavedX_fn *yuv2nv12cX,
yuv2packed1_fn *yuv2packed1,
yuv2packed2_fn *yuv2packed2,
yuv2packedX_fn *yuv2packedX,
yuv2anyX_fn *yuv2anyX)
{
enum AVPixelFormat dstFormat = c->dstFormat;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);
if (is16BPS(dstFormat)) {
*yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c : yuv2planeX_16LE_c;
*yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c : yuv2plane1_16LE_c;
} else if (is9_OR_10BPS(dstFormat)) {
if (desc->comp[0].depth_minus1 == 8) {
*yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c : yuv2planeX_9LE_c;
*yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c : yuv2plane1_9LE_c;
} else {
*yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c : yuv2planeX_10LE_c;
*yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c : yuv2plane1_10LE_c;
}
} else {
*yuv2plane1 = yuv2plane1_8_c;
*yuv2planeX = yuv2planeX_8_c;
if (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)
*yuv2nv12cX = yuv2nv12cX_c;
}
if(c->flags & SWS_FULL_CHR_H_INT) {
switch (dstFormat) {
case AV_PIX_FMT_RGBA:
#if CONFIG_SMALL
*yuv2packedX = yuv2rgba32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2rgba32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2rgbx32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_ARGB:
#if CONFIG_SMALL
*yuv2packedX = yuv2argb32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2argb32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2xrgb32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_BGRA:
#if CONFIG_SMALL
*yuv2packedX = yuv2bgra32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2bgra32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2bgrx32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_ABGR:
#if CONFIG_SMALL
*yuv2packedX = yuv2abgr32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2abgr32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2xbgr32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_RGB24:
*yuv2packedX = yuv2rgb24_full_X_c;
break;
case AV_PIX_FMT_BGR24:
*yuv2packedX = yuv2bgr24_full_X_c;
break;
case AV_PIX_FMT_GBRP:
case AV_PIX_FMT_GBRP9BE:
case AV_PIX_FMT_GBRP9LE:
case AV_PIX_FMT_GBRP10BE:
case AV_PIX_FMT_GBRP10LE:
case AV_PIX_FMT_GBRP16BE:
case AV_PIX_FMT_GBRP16LE:
*yuv2anyX = yuv2gbrp_full_X_c;
break;
}
} else {
switch (dstFormat) {
case AV_PIX_FMT_RGB48LE:
*yuv2packed1 = yuv2rgb48le_1_c;
*yuv2packed2 = yuv2rgb48le_2_c;
*yuv2packedX = yuv2rgb48le_X_c;
break;
case AV_PIX_FMT_RGB48BE:
*yuv2packed1 = yuv2rgb48be_1_c;
*yuv2packed2 = yuv2rgb48be_2_c;
*yuv2packedX = yuv2rgb48be_X_c;
break;
case AV_PIX_FMT_BGR48LE:
*yuv2packed1 = yuv2bgr48le_1_c;
*yuv2packed2 = yuv2bgr48le_2_c;
*yuv2packedX = yuv2bgr48le_X_c;
break;
case AV_PIX_FMT_BGR48BE:
*yuv2packed1 = yuv2bgr48be_1_c;
*yuv2packed2 = yuv2bgr48be_2_c;
*yuv2packedX = yuv2bgr48be_X_c;
break;
case AV_PIX_FMT_RGB32:
case AV_PIX_FMT_BGR32:
#if CONFIG_SMALL
*yuv2packed1 = yuv2rgb32_1_c;
*yuv2packed2 = yuv2rgb32_2_c;
*yuv2packedX = yuv2rgb32_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packed1 = yuv2rgba32_1_c;
*yuv2packed2 = yuv2rgba32_2_c;
*yuv2packedX = yuv2rgba32_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packed1 = yuv2rgbx32_1_c;
*yuv2packed2 = yuv2rgbx32_2_c;
*yuv2packedX = yuv2rgbx32_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_RGB32_1:
case AV_PIX_FMT_BGR32_1:
#if CONFIG_SMALL
*yuv2packed1 = yuv2rgb32_1_1_c;
*yuv2packed2 = yuv2rgb32_1_2_c;
*yuv2packedX = yuv2rgb32_1_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packed1 = yuv2rgba32_1_1_c;
*yuv2packed2 = yuv2rgba32_1_2_c;
*yuv2packedX = yuv2rgba32_1_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packed1 = yuv2rgbx32_1_1_c;
*yuv2packed2 = yuv2rgbx32_1_2_c;
*yuv2packedX = yuv2rgbx32_1_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case AV_PIX_FMT_RGB24:
*yuv2packed1 = yuv2rgb24_1_c;
*yuv2packed2 = yuv2rgb24_2_c;
*yuv2packedX = yuv2rgb24_X_c;
break;
case AV_PIX_FMT_BGR24:
*yuv2packed1 = yuv2bgr24_1_c;
*yuv2packed2 = yuv2bgr24_2_c;
*yuv2packedX = yuv2bgr24_X_c;
break;
case AV_PIX_FMT_RGB565LE:
case AV_PIX_FMT_RGB565BE:
case AV_PIX_FMT_BGR565LE:
case AV_PIX_FMT_BGR565BE:
*yuv2packed1 = yuv2rgb16_1_c;
*yuv2packed2 = yuv2rgb16_2_c;
*yuv2packedX = yuv2rgb16_X_c;
break;
case AV_PIX_FMT_RGB555LE:
case AV_PIX_FMT_RGB555BE:
case AV_PIX_FMT_BGR555LE:
case AV_PIX_FMT_BGR555BE:
*yuv2packed1 = yuv2rgb15_1_c;
*yuv2packed2 = yuv2rgb15_2_c;
*yuv2packedX = yuv2rgb15_X_c;
break;
case AV_PIX_FMT_RGB444LE:
case AV_PIX_FMT_RGB444BE:
case AV_PIX_FMT_BGR444LE:
case AV_PIX_FMT_BGR444BE:
*yuv2packed1 = yuv2rgb12_1_c;
*yuv2packed2 = yuv2rgb12_2_c;
*yuv2packedX = yuv2rgb12_X_c;
break;
case AV_PIX_FMT_RGB8:
case AV_PIX_FMT_BGR8:
*yuv2packed1 = yuv2rgb8_1_c;
*yuv2packed2 = yuv2rgb8_2_c;
*yuv2packedX = yuv2rgb8_X_c;
break;
case AV_PIX_FMT_RGB4:
case AV_PIX_FMT_BGR4:
*yuv2packed1 = yuv2rgb4_1_c;
*yuv2packed2 = yuv2rgb4_2_c;
*yuv2packedX = yuv2rgb4_X_c;
break;
case AV_PIX_FMT_RGB4_BYTE:
case AV_PIX_FMT_BGR4_BYTE:
*yuv2packed1 = yuv2rgb4b_1_c;
*yuv2packed2 = yuv2rgb4b_2_c;
*yuv2packedX = yuv2rgb4b_X_c;
break;
}
}
switch (dstFormat) {
case AV_PIX_FMT_MONOWHITE:
*yuv2packed1 = yuv2monowhite_1_c;
*yuv2packed2 = yuv2monowhite_2_c;
*yuv2packedX = yuv2monowhite_X_c;
break;
case AV_PIX_FMT_MONOBLACK:
*yuv2packed1 = yuv2monoblack_1_c;
*yuv2packed2 = yuv2monoblack_2_c;
*yuv2packedX = yuv2monoblack_X_c;
break;
case AV_PIX_FMT_YUYV422:
*yuv2packed1 = yuv2yuyv422_1_c;
*yuv2packed2 = yuv2yuyv422_2_c;
*yuv2packedX = yuv2yuyv422_X_c;
break;
case AV_PIX_FMT_UYVY422:
*yuv2packed1 = yuv2uyvy422_1_c;
*yuv2packed2 = yuv2uyvy422_2_c;
*yuv2packedX = yuv2uyvy422_X_c;
break;
}
}