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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * software YUV to RGB converter |
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| 3 | * |
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| 4 | * Copyright (C) 2009 Konstantin Shishkov |
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| 5 | * |
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| 6 | * 1,4,8bpp support and context / deglobalize stuff |
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| 7 | * by Michael Niedermayer (michaelni@gmx.at) |
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| 8 | * |
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| 9 | * This file is part of FFmpeg. |
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| 10 | * |
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| 11 | * FFmpeg is free software; you can redistribute it and/or |
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| 12 | * modify it under the terms of the GNU Lesser General Public |
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| 13 | * License as published by the Free Software Foundation; either |
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| 14 | * version 2.1 of the License, or (at your option) any later version. |
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| 15 | * |
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| 16 | * FFmpeg is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 19 | * Lesser General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU Lesser General Public |
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| 22 | * License along with FFmpeg; if not, write to the Free Software |
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| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 24 | */ |
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| 25 | |||
| 26 | #include |
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| 27 | #include |
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| 28 | #include |
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| 29 | |||
| 30 | #include "libavutil/cpu.h" |
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| 31 | #include "libavutil/bswap.h" |
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| 32 | #include "config.h" |
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| 33 | #include "rgb2rgb.h" |
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| 34 | #include "swscale.h" |
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| 35 | #include "swscale_internal.h" |
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| 36 | #include "libavutil/pixdesc.h" |
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| 37 | |||
| 38 | const int32_t ff_yuv2rgb_coeffs[8][4] = { |
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| 39 | { 117504, 138453, 13954, 34903 }, /* no sequence_display_extension */ |
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| 40 | { 117504, 138453, 13954, 34903 }, /* ITU-R Rec. 709 (1990) */ |
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| 41 | { 104597, 132201, 25675, 53279 }, /* unspecified */ |
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| 42 | { 104597, 132201, 25675, 53279 }, /* reserved */ |
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| 43 | { 104448, 132798, 24759, 53109 }, /* FCC */ |
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| 44 | { 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */ |
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| 45 | { 104597, 132201, 25675, 53279 }, /* SMPTE 170M */ |
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| 46 | { 117579, 136230, 16907, 35559 } /* SMPTE 240M (1987) */ |
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| 47 | }; |
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| 48 | |||
| 49 | const int *sws_getCoefficients(int colorspace) |
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| 50 | { |
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| 51 | if (colorspace > 7 || colorspace < 0) |
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| 52 | colorspace = SWS_CS_DEFAULT; |
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| 53 | return ff_yuv2rgb_coeffs[colorspace]; |
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| 54 | } |
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| 55 | |||
| 56 | #define LOADCHROMA(i) \ |
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| 57 | U = pu[i]; \ |
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| 58 | V = pv[i]; \ |
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| 59 | r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \ |
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| 60 | g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \ |
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| 61 | b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; |
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| 62 | |||
| 63 | #define PUTRGB(dst, src, i) \ |
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| 64 | Y = src[2 * i]; \ |
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| 65 | dst[2 * i] = r[Y] + g[Y] + b[Y]; \ |
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| 66 | Y = src[2 * i + 1]; \ |
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| 67 | dst[2 * i + 1] = r[Y] + g[Y] + b[Y]; |
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| 68 | |||
| 69 | #define PUTRGB24(dst, src, i) \ |
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| 70 | Y = src[2 * i]; \ |
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| 71 | dst[6 * i + 0] = r[Y]; \ |
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| 72 | dst[6 * i + 1] = g[Y]; \ |
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| 73 | dst[6 * i + 2] = b[Y]; \ |
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| 74 | Y = src[2 * i + 1]; \ |
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| 75 | dst[6 * i + 3] = r[Y]; \ |
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| 76 | dst[6 * i + 4] = g[Y]; \ |
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| 77 | dst[6 * i + 5] = b[Y]; |
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| 78 | |||
| 79 | #define PUTBGR24(dst, src, i) \ |
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| 80 | Y = src[2 * i]; \ |
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| 81 | dst[6 * i + 0] = b[Y]; \ |
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| 82 | dst[6 * i + 1] = g[Y]; \ |
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| 83 | dst[6 * i + 2] = r[Y]; \ |
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| 84 | Y = src[2 * i + 1]; \ |
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| 85 | dst[6 * i + 3] = b[Y]; \ |
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| 86 | dst[6 * i + 4] = g[Y]; \ |
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| 87 | dst[6 * i + 5] = r[Y]; |
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| 88 | |||
| 89 | #define PUTRGBA(dst, ysrc, asrc, i, s) \ |
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| 90 | Y = ysrc[2 * i]; \ |
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| 91 | dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \ |
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| 92 | Y = ysrc[2 * i + 1]; \ |
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| 93 | dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s); |
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| 94 | |||
| 95 | #define PUTRGB48(dst, src, i) \ |
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| 96 | Y = src[ 2 * i]; \ |
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| 97 | dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \ |
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| 98 | dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ |
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| 99 | dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \ |
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| 100 | Y = src[ 2 * i + 1]; \ |
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| 101 | dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \ |
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| 102 | dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ |
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| 103 | dst[12 * i + 10] = dst[12 * i + 11] = b[Y]; |
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| 104 | |||
| 105 | #define PUTBGR48(dst, src, i) \ |
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| 106 | Y = src[2 * i]; \ |
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| 107 | dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \ |
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| 108 | dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ |
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| 109 | dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \ |
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| 110 | Y = src[2 * i + 1]; \ |
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| 111 | dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \ |
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| 112 | dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ |
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| 113 | dst[12 * i + 10] = dst[12 * i + 11] = r[Y]; |
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| 114 | |||
| 115 | #define YUV2RGBFUNC(func_name, dst_type, alpha) \ |
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| 116 | static int func_name(SwsContext *c, const uint8_t *src[], \ |
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| 117 | int srcStride[], int srcSliceY, int srcSliceH, \ |
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| 118 | uint8_t *dst[], int dstStride[]) \ |
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| 119 | { \ |
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| 120 | int y; \ |
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| 121 | \ |
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| 122 | if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \ |
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| 123 | srcStride[1] *= 2; \ |
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| 124 | srcStride[2] *= 2; \ |
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| 125 | } \ |
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| 126 | for (y = 0; y < srcSliceH; y += 2) { \ |
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| 127 | dst_type *dst_1 = \ |
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| 128 | (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \ |
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| 129 | dst_type *dst_2 = \ |
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| 130 | (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \ |
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| 131 | dst_type av_unused *r, *g, *b; \ |
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| 132 | const uint8_t *py_1 = src[0] + y * srcStride[0]; \ |
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| 133 | const uint8_t *py_2 = py_1 + srcStride[0]; \ |
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| 134 | const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \ |
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| 135 | const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \ |
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| 136 | const uint8_t av_unused *pa_1, *pa_2; \ |
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| 137 | unsigned int h_size = c->dstW >> 3; \ |
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| 138 | if (alpha) { \ |
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| 139 | pa_1 = src[3] + y * srcStride[3]; \ |
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| 140 | pa_2 = pa_1 + srcStride[3]; \ |
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| 141 | } \ |
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| 142 | while (h_size--) { \ |
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| 143 | int av_unused U, V, Y; \ |
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| 144 | |||
| 145 | #define ENDYUV2RGBLINE(dst_delta, ss) \ |
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| 146 | pu += 4 >> ss; \ |
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| 147 | pv += 4 >> ss; \ |
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| 148 | py_1 += 8 >> ss; \ |
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| 149 | py_2 += 8 >> ss; \ |
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| 150 | dst_1 += dst_delta >> ss; \ |
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| 151 | dst_2 += dst_delta >> ss; \ |
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| 152 | } \ |
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| 153 | if (c->dstW & (4 >> ss)) { \ |
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| 154 | int av_unused Y, U, V; \ |
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| 155 | |||
| 156 | #define ENDYUV2RGBFUNC() \ |
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| 157 | } \ |
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| 158 | } \ |
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| 159 | return srcSliceH; \ |
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| 160 | } |
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| 161 | |||
| 162 | #define CLOSEYUV2RGBFUNC(dst_delta) \ |
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| 163 | ENDYUV2RGBLINE(dst_delta, 0) \ |
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| 164 | ENDYUV2RGBFUNC() |
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| 165 | |||
| 166 | YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0) |
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| 167 | LOADCHROMA(0); |
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| 168 | PUTRGB48(dst_1, py_1, 0); |
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| 169 | PUTRGB48(dst_2, py_2, 0); |
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| 170 | |||
| 171 | LOADCHROMA(1); |
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| 172 | PUTRGB48(dst_2, py_2, 1); |
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| 173 | PUTRGB48(dst_1, py_1, 1); |
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| 174 | |||
| 175 | LOADCHROMA(2); |
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| 176 | PUTRGB48(dst_1, py_1, 2); |
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| 177 | PUTRGB48(dst_2, py_2, 2); |
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| 178 | |||
| 179 | LOADCHROMA(3); |
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| 180 | PUTRGB48(dst_2, py_2, 3); |
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| 181 | PUTRGB48(dst_1, py_1, 3); |
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| 182 | ENDYUV2RGBLINE(48, 0) |
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| 183 | LOADCHROMA(0); |
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| 184 | PUTRGB48(dst_1, py_1, 0); |
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| 185 | PUTRGB48(dst_2, py_2, 0); |
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| 186 | |||
| 187 | LOADCHROMA(1); |
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| 188 | PUTRGB48(dst_2, py_2, 1); |
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| 189 | PUTRGB48(dst_1, py_1, 1); |
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| 190 | ENDYUV2RGBLINE(48, 1) |
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| 191 | LOADCHROMA(0); |
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| 192 | PUTRGB48(dst_1, py_1, 0); |
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| 193 | PUTRGB48(dst_2, py_2, 0); |
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| 194 | ENDYUV2RGBFUNC() |
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| 195 | |||
| 196 | YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0) |
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| 197 | LOADCHROMA(0); |
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| 198 | PUTBGR48(dst_1, py_1, 0); |
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| 199 | PUTBGR48(dst_2, py_2, 0); |
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| 200 | |||
| 201 | LOADCHROMA(1); |
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| 202 | PUTBGR48(dst_2, py_2, 1); |
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| 203 | PUTBGR48(dst_1, py_1, 1); |
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| 204 | |||
| 205 | LOADCHROMA(2); |
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| 206 | PUTBGR48(dst_1, py_1, 2); |
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| 207 | PUTBGR48(dst_2, py_2, 2); |
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| 208 | |||
| 209 | LOADCHROMA(3); |
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| 210 | PUTBGR48(dst_2, py_2, 3); |
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| 211 | PUTBGR48(dst_1, py_1, 3); |
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| 212 | ENDYUV2RGBLINE(48, 0) |
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| 213 | LOADCHROMA(0); |
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| 214 | PUTBGR48(dst_1, py_1, 0); |
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| 215 | PUTBGR48(dst_2, py_2, 0); |
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| 216 | |||
| 217 | LOADCHROMA(1); |
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| 218 | PUTBGR48(dst_2, py_2, 1); |
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| 219 | PUTBGR48(dst_1, py_1, 1); |
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| 220 | ENDYUV2RGBLINE(48, 1) |
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| 221 | LOADCHROMA(0); |
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| 222 | PUTBGR48(dst_1, py_1, 0); |
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| 223 | PUTBGR48(dst_2, py_2, 0); |
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| 224 | ENDYUV2RGBFUNC() |
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| 225 | |||
| 226 | YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0) |
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| 227 | LOADCHROMA(0); |
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| 228 | PUTRGB(dst_1, py_1, 0); |
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| 229 | PUTRGB(dst_2, py_2, 0); |
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| 230 | |||
| 231 | LOADCHROMA(1); |
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| 232 | PUTRGB(dst_2, py_2, 1); |
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| 233 | PUTRGB(dst_1, py_1, 1); |
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| 234 | |||
| 235 | LOADCHROMA(2); |
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| 236 | PUTRGB(dst_1, py_1, 2); |
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| 237 | PUTRGB(dst_2, py_2, 2); |
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| 238 | |||
| 239 | LOADCHROMA(3); |
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| 240 | PUTRGB(dst_2, py_2, 3); |
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| 241 | PUTRGB(dst_1, py_1, 3); |
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| 242 | ENDYUV2RGBLINE(8, 0) |
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| 243 | LOADCHROMA(0); |
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| 244 | PUTRGB(dst_1, py_1, 0); |
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| 245 | PUTRGB(dst_2, py_2, 0); |
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| 246 | |||
| 247 | LOADCHROMA(1); |
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| 248 | PUTRGB(dst_2, py_2, 1); |
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| 249 | PUTRGB(dst_1, py_1, 1); |
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| 250 | ENDYUV2RGBLINE(8, 1) |
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| 251 | LOADCHROMA(0); |
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| 252 | PUTRGB(dst_1, py_1, 0); |
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| 253 | PUTRGB(dst_2, py_2, 0); |
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| 254 | ENDYUV2RGBFUNC() |
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| 255 | |||
| 256 | YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1) |
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| 257 | LOADCHROMA(0); |
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| 258 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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| 259 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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| 260 | |||
| 261 | LOADCHROMA(1); |
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| 262 | PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
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| 263 | PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
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| 264 | |||
| 265 | LOADCHROMA(2); |
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| 266 | PUTRGBA(dst_1, py_1, pa_1, 2, 24); |
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| 267 | PUTRGBA(dst_2, py_2, pa_2, 2, 24); |
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| 268 | |||
| 269 | LOADCHROMA(3); |
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| 270 | PUTRGBA(dst_2, py_2, pa_2, 3, 24); |
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| 271 | PUTRGBA(dst_1, py_1, pa_1, 3, 24); |
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| 272 | pa_1 += 8; |
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| 273 | pa_2 += 8; |
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| 274 | ENDYUV2RGBLINE(8, 0) |
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| 275 | LOADCHROMA(0); |
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| 276 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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| 277 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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| 278 | |||
| 279 | LOADCHROMA(1); |
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| 280 | PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
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| 281 | PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
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| 282 | pa_1 += 4; |
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| 283 | pa_2 += 4; |
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| 284 | ENDYUV2RGBLINE(8, 1) |
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| 285 | LOADCHROMA(0); |
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| 286 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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| 287 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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| 288 | ENDYUV2RGBFUNC() |
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| 289 | |||
| 290 | YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) |
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| 291 | LOADCHROMA(0); |
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| 292 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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| 293 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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| 294 | |||
| 295 | LOADCHROMA(1); |
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| 296 | PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
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| 297 | PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
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| 298 | |||
| 299 | LOADCHROMA(2); |
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| 300 | PUTRGBA(dst_1, py_1, pa_1, 2, 0); |
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| 301 | PUTRGBA(dst_2, py_2, pa_2, 2, 0); |
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| 302 | |||
| 303 | LOADCHROMA(3); |
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| 304 | PUTRGBA(dst_2, py_2, pa_2, 3, 0); |
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| 305 | PUTRGBA(dst_1, py_1, pa_1, 3, 0); |
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| 306 | pa_1 += 8; |
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| 307 | pa_2 += 8; |
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| 308 | ENDYUV2RGBLINE(8, 0) |
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| 309 | LOADCHROMA(0); |
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| 310 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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| 311 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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| 312 | |||
| 313 | LOADCHROMA(1); |
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| 314 | PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
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| 315 | PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
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| 316 | pa_1 += 4; |
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| 317 | pa_2 += 4; |
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| 318 | ENDYUV2RGBLINE(8, 1) |
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| 319 | LOADCHROMA(0); |
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| 320 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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| 321 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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| 322 | ENDYUV2RGBFUNC() |
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| 323 | |||
| 324 | YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0) |
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| 325 | LOADCHROMA(0); |
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| 326 | PUTRGB24(dst_1, py_1, 0); |
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| 327 | PUTRGB24(dst_2, py_2, 0); |
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| 328 | |||
| 329 | LOADCHROMA(1); |
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| 330 | PUTRGB24(dst_2, py_2, 1); |
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| 331 | PUTRGB24(dst_1, py_1, 1); |
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| 332 | |||
| 333 | LOADCHROMA(2); |
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| 334 | PUTRGB24(dst_1, py_1, 2); |
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| 335 | PUTRGB24(dst_2, py_2, 2); |
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| 336 | |||
| 337 | LOADCHROMA(3); |
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| 338 | PUTRGB24(dst_2, py_2, 3); |
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| 339 | PUTRGB24(dst_1, py_1, 3); |
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| 340 | ENDYUV2RGBLINE(24, 0) |
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| 341 | LOADCHROMA(0); |
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| 342 | PUTRGB24(dst_1, py_1, 0); |
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| 343 | PUTRGB24(dst_2, py_2, 0); |
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| 344 | |||
| 345 | LOADCHROMA(1); |
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| 346 | PUTRGB24(dst_2, py_2, 1); |
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| 347 | PUTRGB24(dst_1, py_1, 1); |
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| 348 | ENDYUV2RGBLINE(24, 1) |
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| 349 | LOADCHROMA(0); |
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| 350 | PUTRGB24(dst_1, py_1, 0); |
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| 351 | PUTRGB24(dst_2, py_2, 0); |
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| 352 | ENDYUV2RGBFUNC() |
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| 353 | |||
| 354 | // only trivial mods from yuv2rgb_c_24_rgb |
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| 355 | YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0) |
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| 356 | LOADCHROMA(0); |
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| 357 | PUTBGR24(dst_1, py_1, 0); |
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| 358 | PUTBGR24(dst_2, py_2, 0); |
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| 359 | |||
| 360 | LOADCHROMA(1); |
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| 361 | PUTBGR24(dst_2, py_2, 1); |
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| 362 | PUTBGR24(dst_1, py_1, 1); |
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| 363 | |||
| 364 | LOADCHROMA(2); |
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| 365 | PUTBGR24(dst_1, py_1, 2); |
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| 366 | PUTBGR24(dst_2, py_2, 2); |
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| 367 | |||
| 368 | LOADCHROMA(3); |
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| 369 | PUTBGR24(dst_2, py_2, 3); |
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| 370 | PUTBGR24(dst_1, py_1, 3); |
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| 371 | ENDYUV2RGBLINE(24, 0) |
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| 372 | LOADCHROMA(0); |
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| 373 | PUTBGR24(dst_1, py_1, 0); |
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| 374 | PUTBGR24(dst_2, py_2, 0); |
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| 375 | |||
| 376 | LOADCHROMA(1); |
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| 377 | PUTBGR24(dst_2, py_2, 1); |
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| 378 | PUTBGR24(dst_1, py_1, 1); |
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| 379 | ENDYUV2RGBLINE(24, 1) |
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| 380 | LOADCHROMA(0); |
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| 381 | PUTBGR24(dst_1, py_1, 0); |
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| 382 | PUTBGR24(dst_2, py_2, 0); |
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| 383 | ENDYUV2RGBFUNC() |
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| 384 | |||
| 385 | YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0) |
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| 386 | const uint8_t *d16 = ff_dither_2x2_8[y & 1]; |
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| 387 | const uint8_t *e16 = ff_dither_2x2_4[y & 1]; |
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| 388 | const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1]; |
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| 389 | |||
| 390 | #define PUTRGB16(dst, src, i, o) \ |
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| 391 | Y = src[2 * i]; \ |
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| 392 | dst[2 * i] = r[Y + d16[0 + o]] + \ |
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| 393 | g[Y + e16[0 + o]] + \ |
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| 394 | b[Y + f16[0 + o]]; \ |
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| 395 | Y = src[2 * i + 1]; \ |
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| 396 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ |
||
| 397 | g[Y + e16[1 + o]] + \ |
||
| 398 | b[Y + f16[1 + o]]; |
||
| 399 | LOADCHROMA(0); |
||
| 400 | PUTRGB16(dst_1, py_1, 0, 0); |
||
| 401 | PUTRGB16(dst_2, py_2, 0, 0 + 8); |
||
| 402 | |||
| 403 | LOADCHROMA(1); |
||
| 404 | PUTRGB16(dst_2, py_2, 1, 2 + 8); |
||
| 405 | PUTRGB16(dst_1, py_1, 1, 2); |
||
| 406 | |||
| 407 | LOADCHROMA(2); |
||
| 408 | PUTRGB16(dst_1, py_1, 2, 4); |
||
| 409 | PUTRGB16(dst_2, py_2, 2, 4 + 8); |
||
| 410 | |||
| 411 | LOADCHROMA(3); |
||
| 412 | PUTRGB16(dst_2, py_2, 3, 6 + 8); |
||
| 413 | PUTRGB16(dst_1, py_1, 3, 6); |
||
| 414 | CLOSEYUV2RGBFUNC(8) |
||
| 415 | |||
| 416 | YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0) |
||
| 417 | const uint8_t *d16 = ff_dither_2x2_8[y & 1]; |
||
| 418 | const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1]; |
||
| 419 | |||
| 420 | #define PUTRGB15(dst, src, i, o) \ |
||
| 421 | Y = src[2 * i]; \ |
||
| 422 | dst[2 * i] = r[Y + d16[0 + o]] + \ |
||
| 423 | g[Y + d16[1 + o]] + \ |
||
| 424 | b[Y + e16[0 + o]]; \ |
||
| 425 | Y = src[2 * i + 1]; \ |
||
| 426 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ |
||
| 427 | g[Y + d16[0 + o]] + \ |
||
| 428 | b[Y + e16[1 + o]]; |
||
| 429 | LOADCHROMA(0); |
||
| 430 | PUTRGB15(dst_1, py_1, 0, 0); |
||
| 431 | PUTRGB15(dst_2, py_2, 0, 0 + 8); |
||
| 432 | |||
| 433 | LOADCHROMA(1); |
||
| 434 | PUTRGB15(dst_2, py_2, 1, 2 + 8); |
||
| 435 | PUTRGB15(dst_1, py_1, 1, 2); |
||
| 436 | |||
| 437 | LOADCHROMA(2); |
||
| 438 | PUTRGB15(dst_1, py_1, 2, 4); |
||
| 439 | PUTRGB15(dst_2, py_2, 2, 4 + 8); |
||
| 440 | |||
| 441 | LOADCHROMA(3); |
||
| 442 | PUTRGB15(dst_2, py_2, 3, 6 + 8); |
||
| 443 | PUTRGB15(dst_1, py_1, 3, 6); |
||
| 444 | CLOSEYUV2RGBFUNC(8) |
||
| 445 | |||
| 446 | // r, g, b, dst_1, dst_2 |
||
| 447 | YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0) |
||
| 448 | const uint8_t *d16 = ff_dither_4x4_16[y & 3]; |
||
| 449 | |||
| 450 | #define PUTRGB12(dst, src, i, o) \ |
||
| 451 | Y = src[2 * i]; \ |
||
| 452 | dst[2 * i] = r[Y + d16[0 + o]] + \ |
||
| 453 | g[Y + d16[0 + o]] + \ |
||
| 454 | b[Y + d16[0 + o]]; \ |
||
| 455 | Y = src[2 * i + 1]; \ |
||
| 456 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ |
||
| 457 | g[Y + d16[1 + o]] + \ |
||
| 458 | b[Y + d16[1 + o]]; |
||
| 459 | |||
| 460 | LOADCHROMA(0); |
||
| 461 | PUTRGB12(dst_1, py_1, 0, 0); |
||
| 462 | PUTRGB12(dst_2, py_2, 0, 0 + 8); |
||
| 463 | |||
| 464 | LOADCHROMA(1); |
||
| 465 | PUTRGB12(dst_2, py_2, 1, 2 + 8); |
||
| 466 | PUTRGB12(dst_1, py_1, 1, 2); |
||
| 467 | |||
| 468 | LOADCHROMA(2); |
||
| 469 | PUTRGB12(dst_1, py_1, 2, 4); |
||
| 470 | PUTRGB12(dst_2, py_2, 2, 4 + 8); |
||
| 471 | |||
| 472 | LOADCHROMA(3); |
||
| 473 | PUTRGB12(dst_2, py_2, 3, 6 + 8); |
||
| 474 | PUTRGB12(dst_1, py_1, 3, 6); |
||
| 475 | CLOSEYUV2RGBFUNC(8) |
||
| 476 | |||
| 477 | // r, g, b, dst_1, dst_2 |
||
| 478 | YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0) |
||
| 479 | const uint8_t *d32 = ff_dither_8x8_32[y & 7]; |
||
| 480 | const uint8_t *d64 = ff_dither_8x8_73[y & 7]; |
||
| 481 | |||
| 482 | #define PUTRGB8(dst, src, i, o) \ |
||
| 483 | Y = src[2 * i]; \ |
||
| 484 | dst[2 * i] = r[Y + d32[0 + o]] + \ |
||
| 485 | g[Y + d32[0 + o]] + \ |
||
| 486 | b[Y + d64[0 + o]]; \ |
||
| 487 | Y = src[2 * i + 1]; \ |
||
| 488 | dst[2 * i + 1] = r[Y + d32[1 + o]] + \ |
||
| 489 | g[Y + d32[1 + o]] + \ |
||
| 490 | b[Y + d64[1 + o]]; |
||
| 491 | |||
| 492 | LOADCHROMA(0); |
||
| 493 | PUTRGB8(dst_1, py_1, 0, 0); |
||
| 494 | PUTRGB8(dst_2, py_2, 0, 0 + 8); |
||
| 495 | |||
| 496 | LOADCHROMA(1); |
||
| 497 | PUTRGB8(dst_2, py_2, 1, 2 + 8); |
||
| 498 | PUTRGB8(dst_1, py_1, 1, 2); |
||
| 499 | |||
| 500 | LOADCHROMA(2); |
||
| 501 | PUTRGB8(dst_1, py_1, 2, 4); |
||
| 502 | PUTRGB8(dst_2, py_2, 2, 4 + 8); |
||
| 503 | |||
| 504 | LOADCHROMA(3); |
||
| 505 | PUTRGB8(dst_2, py_2, 3, 6 + 8); |
||
| 506 | PUTRGB8(dst_1, py_1, 3, 6); |
||
| 507 | CLOSEYUV2RGBFUNC(8) |
||
| 508 | |||
| 509 | YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0) |
||
| 510 | const uint8_t * d64 = ff_dither_8x8_73[y & 7]; |
||
| 511 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; |
||
| 512 | int acc; |
||
| 513 | |||
| 514 | #define PUTRGB4D(dst, src, i, o) \ |
||
| 515 | Y = src[2 * i]; \ |
||
| 516 | acc = r[Y + d128[0 + o]] + \ |
||
| 517 | g[Y + d64[0 + o]] + \ |
||
| 518 | b[Y + d128[0 + o]]; \ |
||
| 519 | Y = src[2 * i + 1]; \ |
||
| 520 | acc |= (r[Y + d128[1 + o]] + \ |
||
| 521 | g[Y + d64[1 + o]] + \ |
||
| 522 | b[Y + d128[1 + o]]) << 4; \ |
||
| 523 | dst[i] = acc; |
||
| 524 | |||
| 525 | LOADCHROMA(0); |
||
| 526 | PUTRGB4D(dst_1, py_1, 0, 0); |
||
| 527 | PUTRGB4D(dst_2, py_2, 0, 0 + 8); |
||
| 528 | |||
| 529 | LOADCHROMA(1); |
||
| 530 | PUTRGB4D(dst_2, py_2, 1, 2 + 8); |
||
| 531 | PUTRGB4D(dst_1, py_1, 1, 2); |
||
| 532 | |||
| 533 | LOADCHROMA(2); |
||
| 534 | PUTRGB4D(dst_1, py_1, 2, 4); |
||
| 535 | PUTRGB4D(dst_2, py_2, 2, 4 + 8); |
||
| 536 | |||
| 537 | LOADCHROMA(3); |
||
| 538 | PUTRGB4D(dst_2, py_2, 3, 6 + 8); |
||
| 539 | PUTRGB4D(dst_1, py_1, 3, 6); |
||
| 540 | CLOSEYUV2RGBFUNC(4) |
||
| 541 | |||
| 542 | YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0) |
||
| 543 | const uint8_t *d64 = ff_dither_8x8_73[y & 7]; |
||
| 544 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; |
||
| 545 | |||
| 546 | #define PUTRGB4DB(dst, src, i, o) \ |
||
| 547 | Y = src[2 * i]; \ |
||
| 548 | dst[2 * i] = r[Y + d128[0 + o]] + \ |
||
| 549 | g[Y + d64[0 + o]] + \ |
||
| 550 | b[Y + d128[0 + o]]; \ |
||
| 551 | Y = src[2 * i + 1]; \ |
||
| 552 | dst[2 * i + 1] = r[Y + d128[1 + o]] + \ |
||
| 553 | g[Y + d64[1 + o]] + \ |
||
| 554 | b[Y + d128[1 + o]]; |
||
| 555 | |||
| 556 | LOADCHROMA(0); |
||
| 557 | PUTRGB4DB(dst_1, py_1, 0, 0); |
||
| 558 | PUTRGB4DB(dst_2, py_2, 0, 0 + 8); |
||
| 559 | |||
| 560 | LOADCHROMA(1); |
||
| 561 | PUTRGB4DB(dst_2, py_2, 1, 2 + 8); |
||
| 562 | PUTRGB4DB(dst_1, py_1, 1, 2); |
||
| 563 | |||
| 564 | LOADCHROMA(2); |
||
| 565 | PUTRGB4DB(dst_1, py_1, 2, 4); |
||
| 566 | PUTRGB4DB(dst_2, py_2, 2, 4 + 8); |
||
| 567 | |||
| 568 | LOADCHROMA(3); |
||
| 569 | PUTRGB4DB(dst_2, py_2, 3, 6 + 8); |
||
| 570 | PUTRGB4DB(dst_1, py_1, 3, 6); |
||
| 571 | CLOSEYUV2RGBFUNC(8) |
||
| 572 | |||
| 573 | YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0) |
||
| 574 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; |
||
| 575 | char out_1 = 0, out_2 = 0; |
||
| 576 | g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM]; |
||
| 577 | |||
| 578 | #define PUTRGB1(out, src, i, o) \ |
||
| 579 | Y = src[2 * i]; \ |
||
| 580 | out += out + g[Y + d128[0 + o]]; \ |
||
| 581 | Y = src[2 * i + 1]; \ |
||
| 582 | out += out + g[Y + d128[1 + o]]; |
||
| 583 | |||
| 584 | PUTRGB1(out_1, py_1, 0, 0); |
||
| 585 | PUTRGB1(out_2, py_2, 0, 0 + 8); |
||
| 586 | |||
| 587 | PUTRGB1(out_2, py_2, 1, 2 + 8); |
||
| 588 | PUTRGB1(out_1, py_1, 1, 2); |
||
| 589 | |||
| 590 | PUTRGB1(out_1, py_1, 2, 4); |
||
| 591 | PUTRGB1(out_2, py_2, 2, 4 + 8); |
||
| 592 | |||
| 593 | PUTRGB1(out_2, py_2, 3, 6 + 8); |
||
| 594 | PUTRGB1(out_1, py_1, 3, 6); |
||
| 595 | |||
| 596 | dst_1[0] = out_1; |
||
| 597 | dst_2[0] = out_2; |
||
| 598 | CLOSEYUV2RGBFUNC(1) |
||
| 599 | |||
| 600 | SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) |
||
| 601 | { |
||
| 602 | SwsFunc t = NULL; |
||
| 603 | |||
| 604 | if (ARCH_BFIN) |
||
| 605 | t = ff_yuv2rgb_init_bfin(c); |
||
| 606 | if (ARCH_PPC) |
||
| 607 | t = ff_yuv2rgb_init_ppc(c); |
||
| 608 | if (HAVE_VIS) |
||
| 609 | t = ff_yuv2rgb_init_vis(c); |
||
| 610 | if (ARCH_X86) |
||
| 611 | t = ff_yuv2rgb_init_x86(c); |
||
| 612 | |||
| 613 | if (t) |
||
| 614 | return t; |
||
| 615 | |||
| 616 | av_log(c, AV_LOG_WARNING, |
||
| 617 | "No accelerated colorspace conversion found from %s to %s.\n", |
||
| 618 | av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); |
||
| 619 | |||
| 620 | switch (c->dstFormat) { |
||
| 621 | case AV_PIX_FMT_BGR48BE: |
||
| 622 | case AV_PIX_FMT_BGR48LE: |
||
| 623 | return yuv2rgb_c_bgr48; |
||
| 624 | case AV_PIX_FMT_RGB48BE: |
||
| 625 | case AV_PIX_FMT_RGB48LE: |
||
| 626 | return yuv2rgb_c_48; |
||
| 627 | case AV_PIX_FMT_ARGB: |
||
| 628 | case AV_PIX_FMT_ABGR: |
||
| 629 | if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) |
||
| 630 | return yuva2argb_c; |
||
| 631 | case AV_PIX_FMT_RGBA: |
||
| 632 | case AV_PIX_FMT_BGRA: |
||
| 633 | return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32; |
||
| 634 | case AV_PIX_FMT_RGB24: |
||
| 635 | return yuv2rgb_c_24_rgb; |
||
| 636 | case AV_PIX_FMT_BGR24: |
||
| 637 | return yuv2rgb_c_24_bgr; |
||
| 638 | case AV_PIX_FMT_RGB565: |
||
| 639 | case AV_PIX_FMT_BGR565: |
||
| 640 | return yuv2rgb_c_16_ordered_dither; |
||
| 641 | case AV_PIX_FMT_RGB555: |
||
| 642 | case AV_PIX_FMT_BGR555: |
||
| 643 | return yuv2rgb_c_15_ordered_dither; |
||
| 644 | case AV_PIX_FMT_RGB444: |
||
| 645 | case AV_PIX_FMT_BGR444: |
||
| 646 | return yuv2rgb_c_12_ordered_dither; |
||
| 647 | case AV_PIX_FMT_RGB8: |
||
| 648 | case AV_PIX_FMT_BGR8: |
||
| 649 | return yuv2rgb_c_8_ordered_dither; |
||
| 650 | case AV_PIX_FMT_RGB4: |
||
| 651 | case AV_PIX_FMT_BGR4: |
||
| 652 | return yuv2rgb_c_4_ordered_dither; |
||
| 653 | case AV_PIX_FMT_RGB4_BYTE: |
||
| 654 | case AV_PIX_FMT_BGR4_BYTE: |
||
| 655 | return yuv2rgb_c_4b_ordered_dither; |
||
| 656 | case AV_PIX_FMT_MONOBLACK: |
||
| 657 | return yuv2rgb_c_1_ordered_dither; |
||
| 658 | } |
||
| 659 | return NULL; |
||
| 660 | } |
||
| 661 | |||
| 662 | static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, |
||
| 663 | const int64_t inc, void *y_tab) |
||
| 664 | { |
||
| 665 | int i; |
||
| 666 | uint8_t *y_table = y_tab; |
||
| 667 | |||
| 668 | y_table -= elemsize * (inc >> 9); |
||
| 669 | |||
| 670 | for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { |
||
| 671 | int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; |
||
| 672 | table[i] = y_table + elemsize * (cb >> 16); |
||
| 673 | } |
||
| 674 | } |
||
| 675 | |||
| 676 | static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc) |
||
| 677 | { |
||
| 678 | int i; |
||
| 679 | int off = -(inc >> 9); |
||
| 680 | |||
| 681 | for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { |
||
| 682 | int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; |
||
| 683 | table[i] = elemsize * (off + (cb >> 16)); |
||
| 684 | } |
||
| 685 | } |
||
| 686 | |||
| 687 | static uint16_t roundToInt16(int64_t f) |
||
| 688 | { |
||
| 689 | int r = (f + (1 << 15)) >> 16; |
||
| 690 | |||
| 691 | if (r < -0x7FFF) |
||
| 692 | return 0x8000; |
||
| 693 | else if (r > 0x7FFF) |
||
| 694 | return 0x7FFF; |
||
| 695 | else |
||
| 696 | return r; |
||
| 697 | } |
||
| 698 | |||
| 699 | av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], |
||
| 700 | int fullRange, int brightness, |
||
| 701 | int contrast, int saturation) |
||
| 702 | { |
||
| 703 | const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32 || |
||
| 704 | c->dstFormat == AV_PIX_FMT_RGB32_1 || |
||
| 705 | c->dstFormat == AV_PIX_FMT_BGR24 || |
||
| 706 | c->dstFormat == AV_PIX_FMT_RGB565BE || |
||
| 707 | c->dstFormat == AV_PIX_FMT_RGB565LE || |
||
| 708 | c->dstFormat == AV_PIX_FMT_RGB555BE || |
||
| 709 | c->dstFormat == AV_PIX_FMT_RGB555LE || |
||
| 710 | c->dstFormat == AV_PIX_FMT_RGB444BE || |
||
| 711 | c->dstFormat == AV_PIX_FMT_RGB444LE || |
||
| 712 | c->dstFormat == AV_PIX_FMT_RGB8 || |
||
| 713 | c->dstFormat == AV_PIX_FMT_RGB4 || |
||
| 714 | c->dstFormat == AV_PIX_FMT_RGB4_BYTE || |
||
| 715 | c->dstFormat == AV_PIX_FMT_MONOBLACK; |
||
| 716 | const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) || |
||
| 717 | c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) || |
||
| 718 | c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) || |
||
| 719 | c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) || |
||
| 720 | c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) || |
||
| 721 | c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE); |
||
| 722 | const int bpp = c->dstFormatBpp; |
||
| 723 | uint8_t *y_table; |
||
| 724 | uint16_t *y_table16; |
||
| 725 | uint32_t *y_table32; |
||
| 726 | int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha; |
||
| 727 | const int yoffs = fullRange ? 384 : 326; |
||
| 728 | |||
| 729 | int64_t crv = inv_table[0]; |
||
| 730 | int64_t cbu = inv_table[1]; |
||
| 731 | int64_t cgu = -inv_table[2]; |
||
| 732 | int64_t cgv = -inv_table[3]; |
||
| 733 | int64_t cy = 1 << 16; |
||
| 734 | int64_t oy = 0; |
||
| 735 | int64_t yb = 0; |
||
| 736 | |||
| 737 | if (!fullRange) { |
||
| 738 | cy = (cy * 255) / 219; |
||
| 739 | oy = 16 << 16; |
||
| 740 | } else { |
||
| 741 | crv = (crv * 224) / 255; |
||
| 742 | cbu = (cbu * 224) / 255; |
||
| 743 | cgu = (cgu * 224) / 255; |
||
| 744 | cgv = (cgv * 224) / 255; |
||
| 745 | } |
||
| 746 | |||
| 747 | cy = (cy * contrast) >> 16; |
||
| 748 | crv = (crv * contrast * saturation) >> 32; |
||
| 749 | cbu = (cbu * contrast * saturation) >> 32; |
||
| 750 | cgu = (cgu * contrast * saturation) >> 32; |
||
| 751 | cgv = (cgv * contrast * saturation) >> 32; |
||
| 752 | oy -= 256 * brightness; |
||
| 753 | |||
| 754 | c->uOffset = 0x0400040004000400LL; |
||
| 755 | c->vOffset = 0x0400040004000400LL; |
||
| 756 | c->yCoeff = roundToInt16(cy * 8192) * 0x0001000100010001ULL; |
||
| 757 | c->vrCoeff = roundToInt16(crv * 8192) * 0x0001000100010001ULL; |
||
| 758 | c->ubCoeff = roundToInt16(cbu * 8192) * 0x0001000100010001ULL; |
||
| 759 | c->vgCoeff = roundToInt16(cgv * 8192) * 0x0001000100010001ULL; |
||
| 760 | c->ugCoeff = roundToInt16(cgu * 8192) * 0x0001000100010001ULL; |
||
| 761 | c->yOffset = roundToInt16(oy * 8) * 0x0001000100010001ULL; |
||
| 762 | |||
| 763 | c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy << 13); |
||
| 764 | c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9); |
||
| 765 | c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv << 13); |
||
| 766 | c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv << 13); |
||
| 767 | c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu << 13); |
||
| 768 | c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu << 13); |
||
| 769 | |||
| 770 | //scale coefficients by cy |
||
| 771 | crv = ((crv << 16) + 0x8000) / FFMAX(cy, 1); |
||
| 772 | cbu = ((cbu << 16) + 0x8000) / FFMAX(cy, 1); |
||
| 773 | cgu = ((cgu << 16) + 0x8000) / FFMAX(cy, 1); |
||
| 774 | cgv = ((cgv << 16) + 0x8000) / FFMAX(cy, 1); |
||
| 775 | |||
| 776 | av_freep(&c->yuvTable); |
||
| 777 | |||
| 778 | switch (bpp) { |
||
| 779 | case 1: |
||
| 780 | c->yuvTable = av_malloc(1024); |
||
| 781 | y_table = c->yuvTable; |
||
| 782 | yb = -(384 << 16) - oy; |
||
| 783 | for (i = 0; i < 1024 - 110; i++) { |
||
| 784 | y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7; |
||
| 785 | yb += cy; |
||
| 786 | } |
||
| 787 | fill_table(c->table_gU, 1, cgu, y_table + yoffs); |
||
| 788 | fill_gv_table(c->table_gV, 1, cgv); |
||
| 789 | break; |
||
| 790 | case 4: |
||
| 791 | case 4 | 128: |
||
| 792 | rbase = isRgb ? 3 : 0; |
||
| 793 | gbase = 1; |
||
| 794 | bbase = isRgb ? 0 : 3; |
||
| 795 | c->yuvTable = av_malloc(1024 * 3); |
||
| 796 | y_table = c->yuvTable; |
||
| 797 | yb = -(384 << 16) - oy; |
||
| 798 | for (i = 0; i < 1024 - 110; i++) { |
||
| 799 | int yval = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 800 | y_table[i + 110] = (yval >> 7) << rbase; |
||
| 801 | y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase; |
||
| 802 | y_table[i + 110 + 2048] = (yval >> 7) << bbase; |
||
| 803 | yb += cy; |
||
| 804 | } |
||
| 805 | fill_table(c->table_rV, 1, crv, y_table + yoffs); |
||
| 806 | fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024); |
||
| 807 | fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); |
||
| 808 | fill_gv_table(c->table_gV, 1, cgv); |
||
| 809 | break; |
||
| 810 | case 8: |
||
| 811 | rbase = isRgb ? 5 : 0; |
||
| 812 | gbase = isRgb ? 2 : 3; |
||
| 813 | bbase = isRgb ? 0 : 6; |
||
| 814 | c->yuvTable = av_malloc(1024 * 3); |
||
| 815 | y_table = c->yuvTable; |
||
| 816 | yb = -(384 << 16) - oy; |
||
| 817 | for (i = 0; i < 1024 - 38; i++) { |
||
| 818 | int yval = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 819 | y_table[i + 16] = ((yval + 18) / 36) << rbase; |
||
| 820 | y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase; |
||
| 821 | y_table[i + 37 + 2048] = ((yval + 43) / 85) << bbase; |
||
| 822 | yb += cy; |
||
| 823 | } |
||
| 824 | fill_table(c->table_rV, 1, crv, y_table + yoffs); |
||
| 825 | fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024); |
||
| 826 | fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); |
||
| 827 | fill_gv_table(c->table_gV, 1, cgv); |
||
| 828 | break; |
||
| 829 | case 12: |
||
| 830 | rbase = isRgb ? 8 : 0; |
||
| 831 | gbase = 4; |
||
| 832 | bbase = isRgb ? 0 : 8; |
||
| 833 | c->yuvTable = av_malloc(1024 * 3 * 2); |
||
| 834 | y_table16 = c->yuvTable; |
||
| 835 | yb = -(384 << 16) - oy; |
||
| 836 | for (i = 0; i < 1024; i++) { |
||
| 837 | uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 838 | y_table16[i] = (yval >> 4) << rbase; |
||
| 839 | y_table16[i + 1024] = (yval >> 4) << gbase; |
||
| 840 | y_table16[i + 2048] = (yval >> 4) << bbase; |
||
| 841 | yb += cy; |
||
| 842 | } |
||
| 843 | if (isNotNe) |
||
| 844 | for (i = 0; i < 1024 * 3; i++) |
||
| 845 | y_table16[i] = av_bswap16(y_table16[i]); |
||
| 846 | fill_table(c->table_rV, 2, crv, y_table16 + yoffs); |
||
| 847 | fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024); |
||
| 848 | fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); |
||
| 849 | fill_gv_table(c->table_gV, 2, cgv); |
||
| 850 | break; |
||
| 851 | case 15: |
||
| 852 | case 16: |
||
| 853 | rbase = isRgb ? bpp - 5 : 0; |
||
| 854 | gbase = 5; |
||
| 855 | bbase = isRgb ? 0 : (bpp - 5); |
||
| 856 | c->yuvTable = av_malloc(1024 * 3 * 2); |
||
| 857 | y_table16 = c->yuvTable; |
||
| 858 | yb = -(384 << 16) - oy; |
||
| 859 | for (i = 0; i < 1024; i++) { |
||
| 860 | uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 861 | y_table16[i] = (yval >> 3) << rbase; |
||
| 862 | y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase; |
||
| 863 | y_table16[i + 2048] = (yval >> 3) << bbase; |
||
| 864 | yb += cy; |
||
| 865 | } |
||
| 866 | if (isNotNe) |
||
| 867 | for (i = 0; i < 1024 * 3; i++) |
||
| 868 | y_table16[i] = av_bswap16(y_table16[i]); |
||
| 869 | fill_table(c->table_rV, 2, crv, y_table16 + yoffs); |
||
| 870 | fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024); |
||
| 871 | fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); |
||
| 872 | fill_gv_table(c->table_gV, 2, cgv); |
||
| 873 | break; |
||
| 874 | case 24: |
||
| 875 | case 48: |
||
| 876 | c->yuvTable = av_malloc(1024); |
||
| 877 | y_table = c->yuvTable; |
||
| 878 | yb = -(384 << 16) - oy; |
||
| 879 | for (i = 0; i < 1024; i++) { |
||
| 880 | y_table[i] = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 881 | yb += cy; |
||
| 882 | } |
||
| 883 | fill_table(c->table_rV, 1, crv, y_table + yoffs); |
||
| 884 | fill_table(c->table_gU, 1, cgu, y_table + yoffs); |
||
| 885 | fill_table(c->table_bU, 1, cbu, y_table + yoffs); |
||
| 886 | fill_gv_table(c->table_gV, 1, cgv); |
||
| 887 | break; |
||
| 888 | case 32: |
||
| 889 | case 64: |
||
| 890 | base = (c->dstFormat == AV_PIX_FMT_RGB32_1 || |
||
| 891 | c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0; |
||
| 892 | rbase = base + (isRgb ? 16 : 0); |
||
| 893 | gbase = base + 8; |
||
| 894 | bbase = base + (isRgb ? 0 : 16); |
||
| 895 | needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat); |
||
| 896 | if (!needAlpha) |
||
| 897 | abase = (base + 24) & 31; |
||
| 898 | c->yuvTable = av_malloc(1024 * 3 * 4); |
||
| 899 | y_table32 = c->yuvTable; |
||
| 900 | yb = -(384 << 16) - oy; |
||
| 901 | for (i = 0; i < 1024; i++) { |
||
| 902 | unsigned yval = av_clip_uint8((yb + 0x8000) >> 16); |
||
| 903 | y_table32[i] = (yval << rbase) + |
||
| 904 | (needAlpha ? 0 : (255u << abase)); |
||
| 905 | y_table32[i + 1024] = yval << gbase; |
||
| 906 | y_table32[i + 2048] = yval << bbase; |
||
| 907 | yb += cy; |
||
| 908 | } |
||
| 909 | fill_table(c->table_rV, 4, crv, y_table32 + yoffs); |
||
| 910 | fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + 1024); |
||
| 911 | fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2048); |
||
| 912 | fill_gv_table(c->table_gV, 4, cgv); |
||
| 913 | break; |
||
| 914 | default: |
||
| 915 | if(!isPlanar(c->dstFormat) || bpp <= 24) |
||
| 916 | av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp); |
||
| 917 | return -1; |
||
| 918 | } |
||
| 919 | return 0; |
||
| 920 | } |