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1415 lines
58 KiB
1415 lines
58 KiB
/* |
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* Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <inttypes.h> |
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#include <string.h> |
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#include <math.h> |
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#include <stdio.h> |
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#include "config.h" |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#include "rgb2rgb.h" |
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#include "libavutil/intreadwrite.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/avutil.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/bswap.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/avassert.h" |
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|
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DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={ |
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{ |
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{ 0, 1, 0, 1, 0, 1, 0, 1,}, |
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{ 1, 0, 1, 0, 1, 0, 1, 0,}, |
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{ 0, 1, 0, 1, 0, 1, 0, 1,}, |
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{ 1, 0, 1, 0, 1, 0, 1, 0,}, |
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{ 0, 1, 0, 1, 0, 1, 0, 1,}, |
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{ 1, 0, 1, 0, 1, 0, 1, 0,}, |
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{ 0, 1, 0, 1, 0, 1, 0, 1,}, |
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{ 1, 0, 1, 0, 1, 0, 1, 0,}, |
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},{ |
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{ 1, 2, 1, 2, 1, 2, 1, 2,}, |
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{ 3, 0, 3, 0, 3, 0, 3, 0,}, |
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{ 1, 2, 1, 2, 1, 2, 1, 2,}, |
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{ 3, 0, 3, 0, 3, 0, 3, 0,}, |
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{ 1, 2, 1, 2, 1, 2, 1, 2,}, |
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{ 3, 0, 3, 0, 3, 0, 3, 0,}, |
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{ 1, 2, 1, 2, 1, 2, 1, 2,}, |
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{ 3, 0, 3, 0, 3, 0, 3, 0,}, |
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},{ |
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{ 2, 4, 3, 5, 2, 4, 3, 5,}, |
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{ 6, 0, 7, 1, 6, 0, 7, 1,}, |
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{ 3, 5, 2, 4, 3, 5, 2, 4,}, |
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{ 7, 1, 6, 0, 7, 1, 6, 0,}, |
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{ 2, 4, 3, 5, 2, 4, 3, 5,}, |
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{ 6, 0, 7, 1, 6, 0, 7, 1,}, |
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{ 3, 5, 2, 4, 3, 5, 2, 4,}, |
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{ 7, 1, 6, 0, 7, 1, 6, 0,}, |
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},{ |
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{ 4, 8, 7, 11, 4, 8, 7, 11,}, |
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{ 12, 0, 15, 3, 12, 0, 15, 3,}, |
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{ 6, 10, 5, 9, 6, 10, 5, 9,}, |
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{ 14, 2, 13, 1, 14, 2, 13, 1,}, |
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{ 4, 8, 7, 11, 4, 8, 7, 11,}, |
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{ 12, 0, 15, 3, 12, 0, 15, 3,}, |
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{ 6, 10, 5, 9, 6, 10, 5, 9,}, |
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{ 14, 2, 13, 1, 14, 2, 13, 1,}, |
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},{ |
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{ 9, 17, 15, 23, 8, 16, 14, 22,}, |
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{ 25, 1, 31, 7, 24, 0, 30, 6,}, |
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{ 13, 21, 11, 19, 12, 20, 10, 18,}, |
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{ 29, 5, 27, 3, 28, 4, 26, 2,}, |
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{ 8, 16, 14, 22, 9, 17, 15, 23,}, |
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{ 24, 0, 30, 6, 25, 1, 31, 7,}, |
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{ 12, 20, 10, 18, 13, 21, 11, 19,}, |
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{ 28, 4, 26, 2, 29, 5, 27, 3,}, |
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},{ |
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{ 18, 34, 30, 46, 17, 33, 29, 45,}, |
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{ 50, 2, 62, 14, 49, 1, 61, 13,}, |
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{ 26, 42, 22, 38, 25, 41, 21, 37,}, |
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{ 58, 10, 54, 6, 57, 9, 53, 5,}, |
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{ 16, 32, 28, 44, 19, 35, 31, 47,}, |
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{ 48, 0, 60, 12, 51, 3, 63, 15,}, |
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{ 24, 40, 20, 36, 27, 43, 23, 39,}, |
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{ 56, 8, 52, 4, 59, 11, 55, 7,}, |
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},{ |
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{ 18, 34, 30, 46, 17, 33, 29, 45,}, |
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{ 50, 2, 62, 14, 49, 1, 61, 13,}, |
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{ 26, 42, 22, 38, 25, 41, 21, 37,}, |
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{ 58, 10, 54, 6, 57, 9, 53, 5,}, |
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{ 16, 32, 28, 44, 19, 35, 31, 47,}, |
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{ 48, 0, 60, 12, 51, 3, 63, 15,}, |
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{ 24, 40, 20, 36, 27, 43, 23, 39,}, |
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{ 56, 8, 52, 4, 59, 11, 55, 7,}, |
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},{ |
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{ 36, 68, 60, 92, 34, 66, 58, 90,}, |
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{ 100, 4,124, 28, 98, 2,122, 26,}, |
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{ 52, 84, 44, 76, 50, 82, 42, 74,}, |
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{ 116, 20,108, 12,114, 18,106, 10,}, |
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{ 32, 64, 56, 88, 38, 70, 62, 94,}, |
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{ 96, 0,120, 24,102, 6,126, 30,}, |
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{ 48, 80, 40, 72, 54, 86, 46, 78,}, |
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{ 112, 16,104, 8,118, 22,110, 14,}, |
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}}; |
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|
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static const uint16_t dither_scale[15][16]={ |
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{ 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,}, |
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{ 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,}, |
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{ 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,}, |
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{ 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,}, |
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{ 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,}, |
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{ 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,}, |
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{ 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,}, |
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{ 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,}, |
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{ 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,}, |
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{ 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,}, |
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{ 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,}, |
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{ 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,}, |
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{ 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,}, |
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{ 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,}, |
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{ 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,}, |
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}; |
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static void fillPlane(uint8_t *plane, int stride, int width, int height, int y, |
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uint8_t val) |
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{ |
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int i; |
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uint8_t *ptr = plane + stride * y; |
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for (i = 0; i < height; i++) { |
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memset(ptr, val, width); |
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ptr += stride; |
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} |
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} |
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static void copyPlane(const uint8_t *src, int srcStride, |
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int srcSliceY, int srcSliceH, int width, |
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uint8_t *dst, int dstStride) |
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{ |
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dst += dstStride * srcSliceY; |
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if (dstStride == srcStride && srcStride > 0) { |
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memcpy(dst, src, srcSliceH * dstStride); |
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} else { |
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int i; |
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for (i = 0; i < srcSliceH; i++) { |
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memcpy(dst, src, width); |
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src += srcStride; |
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dst += dstStride; |
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} |
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} |
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} |
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|
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static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t *dstParam[], |
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int dstStride[]) |
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{ |
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uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2; |
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|
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copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
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dstParam[0], dstStride[0]); |
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|
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if (c->dstFormat == AV_PIX_FMT_NV12) |
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interleaveBytes(src[1], src[2], dst, c->srcW / 2, srcSliceH / 2, |
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srcStride[1], srcStride[2], dstStride[1]); |
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else |
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interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 2, |
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srcStride[2], srcStride[1], dstStride[1]); |
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return srcSliceH; |
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} |
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static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t *dstParam[], |
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int dstStride[]) |
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{ |
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uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2; |
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uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2; |
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copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
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dstParam[0], dstStride[0]); |
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if (c->srcFormat == AV_PIX_FMT_NV12) |
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deinterleaveBytes(src[1], dst1, dst2,c->srcW / 2, srcSliceH / 2, |
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srcStride[1], dstStride[1], dstStride[2]); |
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else |
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deinterleaveBytes(src[1], dst2, dst1, c->srcW / 2, srcSliceH / 2, |
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srcStride[1], dstStride[2], dstStride[1]); |
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return srcSliceH; |
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} |
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static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; |
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yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], |
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srcStride[1], dstStride[0]); |
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return srcSliceH; |
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} |
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static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; |
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yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], |
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srcStride[1], dstStride[0]); |
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return srcSliceH; |
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} |
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static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; |
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yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], |
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srcStride[1], dstStride[0]); |
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return srcSliceH; |
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} |
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static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; |
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yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], |
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srcStride[1], dstStride[0]); |
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return srcSliceH; |
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} |
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static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; |
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uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2; |
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uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2; |
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yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], |
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dstStride[1], srcStride[0]); |
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if (dstParam[3]) |
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fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
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return srcSliceH; |
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} |
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static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; |
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uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY; |
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uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY; |
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yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], |
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dstStride[1], srcStride[0]); |
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return srcSliceH; |
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} |
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static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; |
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uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2; |
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uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2; |
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uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], |
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dstStride[1], srcStride[0]); |
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if (dstParam[3]) |
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fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
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return srcSliceH; |
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} |
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static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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{ |
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uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; |
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uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY; |
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uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY; |
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uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], |
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dstStride[1], srcStride[0]); |
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return srcSliceH; |
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} |
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static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, |
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const uint8_t *palette) |
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{ |
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int i; |
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for (i = 0; i < num_pixels; i++) |
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((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24); |
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} |
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static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels, |
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const uint8_t *palette) |
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{ |
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int i; |
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|
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for (i = 0; i < num_pixels; i++) |
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((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1]; |
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} |
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static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, |
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const uint8_t *palette) |
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{ |
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int i; |
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|
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for (i = 0; i < num_pixels; i++) { |
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//FIXME slow? |
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dst[0] = palette[src[i << 1] * 4 + 0]; |
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dst[1] = palette[src[i << 1] * 4 + 1]; |
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dst[2] = palette[src[i << 1] * 4 + 2]; |
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dst += 3; |
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} |
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} |
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static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dst[], int dstStride[]) |
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{ |
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int i, j, p; |
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|
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for (p = 0; p < 4; p++) { |
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int srcstr = srcStride[p] / 2; |
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int dststr = dstStride[p] / 2; |
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uint16_t *dstPtr = (uint16_t *) dst[p]; |
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const uint16_t *srcPtr = (const uint16_t *) src[p]; |
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int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr)); |
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if(!dstPtr || !srcPtr) |
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continue; |
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for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) { |
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for (j = 0; j < min_stride; j++) { |
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dstPtr[j] = av_bswap16(srcPtr[j]); |
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} |
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srcPtr += srcstr; |
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dstPtr += dststr; |
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} |
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} |
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|
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return srcSliceH; |
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} |
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|
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static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], |
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int srcSliceY, int srcSliceH, uint8_t *dst[], |
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int dstStride[]) |
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{ |
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const enum AVPixelFormat srcFormat = c->srcFormat; |
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const enum AVPixelFormat dstFormat = c->dstFormat; |
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void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels, |
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const uint8_t *palette) = NULL; |
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int i; |
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uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY; |
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const uint8_t *srcPtr = src[0]; |
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|
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if (srcFormat == AV_PIX_FMT_GRAY8A) { |
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switch (dstFormat) { |
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case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break; |
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case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break; |
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case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break; |
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case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break; |
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case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break; |
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case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break; |
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} |
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} else if (usePal(srcFormat)) { |
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switch (dstFormat) { |
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case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break; |
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case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break; |
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case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break; |
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case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break; |
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case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break; |
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case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break; |
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} |
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} |
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|
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if (!conv) |
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av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
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av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat)); |
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else { |
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for (i = 0; i < srcSliceH; i++) { |
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conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); |
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srcPtr += srcStride[0]; |
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dstPtr += dstStride[0]; |
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} |
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} |
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|
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return srcSliceH; |
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} |
|
|
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static void gbr16ptopacked16(const uint16_t *src[], int srcStride[], |
|
uint8_t *dst, int dstStride, int srcSliceH, |
|
int alpha, int swap, int bpp, int width) |
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{ |
|
int x, h, i; |
|
int src_alpha = src[3] != NULL; |
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int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2; |
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for (h = 0; h < srcSliceH; h++) { |
|
uint16_t *dest = (uint16_t *)(dst + dstStride * h); |
|
uint16_t component; |
|
|
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switch(swap) { |
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case 3: |
|
if (alpha && !src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
component = av_bswap16(src[0][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[1][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[2][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
*dest++ = 0xffff; |
|
} |
|
} else if (alpha && src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
component = av_bswap16(src[0][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[1][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[2][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[3][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
} |
|
} else { |
|
for (x = 0; x < width; x++) { |
|
component = av_bswap16(src[0][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[1][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
component = av_bswap16(src[2][x]); |
|
*dest++ = av_bswap16(component << scale_high | component >> scale_low); |
|
} |
|
} |
|
break; |
|
case 2: |
|
if (alpha && !src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); |
|
*dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); |
|
*dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); |
|
*dest++ = 0xffff; |
|
} |
|
} else if (alpha && src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); |
|
*dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); |
|
*dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); |
|
*dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low); |
|
} |
|
} else { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); |
|
*dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); |
|
*dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); |
|
} |
|
} |
|
break; |
|
case 1: |
|
if (alpha && !src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; |
|
*dest++ = 0xffff; |
|
} |
|
} else if (alpha && src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low; |
|
} |
|
} else { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; |
|
*dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; |
|
} |
|
} |
|
break; |
|
default: |
|
if (alpha && !src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; |
|
*dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; |
|
*dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; |
|
*dest++ = 0xffff; |
|
} |
|
} else if (alpha && src_alpha) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; |
|
*dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; |
|
*dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; |
|
*dest++ = src[3][x] << scale_high | src[3][x] >> scale_low; |
|
} |
|
} else { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; |
|
*dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; |
|
*dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; |
|
} |
|
} |
|
} |
|
for (i = 0; i < 3 + src_alpha; i++) |
|
src[i] += srcStride[i] >> 1; |
|
} |
|
} |
|
|
|
static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] }; |
|
const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] }; |
|
int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] }; |
|
int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] }; |
|
const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat); |
|
const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat); |
|
int bits_per_sample = src_format->comp[0].depth_minus1 + 1; |
|
int swap = 0; |
|
if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) || |
|
!HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE) |
|
swap++; |
|
if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) || |
|
!HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE) |
|
swap += 2; |
|
|
|
if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) != |
|
(AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || |
|
bits_per_sample <= 8) { |
|
av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", |
|
src_format->name, dst_format->name); |
|
return srcSliceH; |
|
} |
|
switch (c->dstFormat) { |
|
case AV_PIX_FMT_BGR48LE: |
|
case AV_PIX_FMT_BGR48BE: |
|
gbr16ptopacked16(src102, stride102, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, 0, swap, bits_per_sample, c->srcW); |
|
break; |
|
case AV_PIX_FMT_RGB48LE: |
|
case AV_PIX_FMT_RGB48BE: |
|
gbr16ptopacked16(src201, stride201, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, 0, swap, bits_per_sample, c->srcW); |
|
break; |
|
case AV_PIX_FMT_RGBA64LE: |
|
case AV_PIX_FMT_RGBA64BE: |
|
gbr16ptopacked16(src201, stride201, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, 1, swap, bits_per_sample, c->srcW); |
|
break; |
|
case AV_PIX_FMT_BGRA64LE: |
|
case AV_PIX_FMT_BGRA64BE: |
|
gbr16ptopacked16(src102, stride102, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, 1, swap, bits_per_sample, c->srcW); |
|
break; |
|
default: |
|
av_log(c, AV_LOG_ERROR, |
|
"unsupported planar RGB conversion %s -> %s\n", |
|
src_format->name, dst_format->name); |
|
} |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static void gbr24ptopacked24(const uint8_t *src[], int srcStride[], |
|
uint8_t *dst, int dstStride, int srcSliceH, |
|
int width) |
|
{ |
|
int x, h, i; |
|
for (h = 0; h < srcSliceH; h++) { |
|
uint8_t *dest = dst + dstStride * h; |
|
for (x = 0; x < width; x++) { |
|
*dest++ = src[0][x]; |
|
*dest++ = src[1][x]; |
|
*dest++ = src[2][x]; |
|
} |
|
|
|
for (i = 0; i < 3; i++) |
|
src[i] += srcStride[i]; |
|
} |
|
} |
|
|
|
static void gbr24ptopacked32(const uint8_t *src[], int srcStride[], |
|
uint8_t *dst, int dstStride, int srcSliceH, |
|
int alpha_first, int width) |
|
{ |
|
int x, h, i; |
|
for (h = 0; h < srcSliceH; h++) { |
|
uint8_t *dest = dst + dstStride * h; |
|
|
|
if (alpha_first) { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = 0xff; |
|
*dest++ = src[0][x]; |
|
*dest++ = src[1][x]; |
|
*dest++ = src[2][x]; |
|
} |
|
} else { |
|
for (x = 0; x < width; x++) { |
|
*dest++ = src[0][x]; |
|
*dest++ = src[1][x]; |
|
*dest++ = src[2][x]; |
|
*dest++ = 0xff; |
|
} |
|
} |
|
|
|
for (i = 0; i < 3; i++) |
|
src[i] += srcStride[i]; |
|
} |
|
} |
|
|
|
static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
int alpha_first = 0; |
|
const uint8_t *src102[] = { src[1], src[0], src[2] }; |
|
const uint8_t *src201[] = { src[2], src[0], src[1] }; |
|
int stride102[] = { srcStride[1], srcStride[0], srcStride[2] }; |
|
int stride201[] = { srcStride[2], srcStride[0], srcStride[1] }; |
|
|
|
if (c->srcFormat != AV_PIX_FMT_GBRP) { |
|
av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", |
|
av_get_pix_fmt_name(c->srcFormat), |
|
av_get_pix_fmt_name(c->dstFormat)); |
|
return srcSliceH; |
|
} |
|
|
|
switch (c->dstFormat) { |
|
case AV_PIX_FMT_BGR24: |
|
gbr24ptopacked24(src102, stride102, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, c->srcW); |
|
break; |
|
|
|
case AV_PIX_FMT_RGB24: |
|
gbr24ptopacked24(src201, stride201, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, c->srcW); |
|
break; |
|
|
|
case AV_PIX_FMT_ARGB: |
|
alpha_first = 1; |
|
case AV_PIX_FMT_RGBA: |
|
gbr24ptopacked32(src201, stride201, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, alpha_first, c->srcW); |
|
break; |
|
|
|
case AV_PIX_FMT_ABGR: |
|
alpha_first = 1; |
|
case AV_PIX_FMT_BGRA: |
|
gbr24ptopacked32(src102, stride102, |
|
dst[0] + srcSliceY * dstStride[0], dstStride[0], |
|
srcSliceH, alpha_first, c->srcW); |
|
break; |
|
|
|
default: |
|
av_log(c, AV_LOG_ERROR, |
|
"unsupported planar RGB conversion %s -> %s\n", |
|
av_get_pix_fmt_name(c->srcFormat), |
|
av_get_pix_fmt_name(c->dstFormat)); |
|
} |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int planarRgbToplanarRgbWrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
|
dst[0], dstStride[0]); |
|
copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW, |
|
dst[1], dstStride[1]); |
|
copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW, |
|
dst[2], dstStride[2]); |
|
if (dst[3]) |
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static void packedtogbr24p(const uint8_t *src, int srcStride, |
|
uint8_t *dst[], int dstStride[], int srcSliceH, |
|
int alpha_first, int inc_size, int width) |
|
{ |
|
uint8_t *dest[3]; |
|
int x, h; |
|
|
|
dest[0] = dst[0]; |
|
dest[1] = dst[1]; |
|
dest[2] = dst[2]; |
|
|
|
if (alpha_first) |
|
src++; |
|
|
|
for (h = 0; h < srcSliceH; h++) { |
|
for (x = 0; x < width; x++) { |
|
dest[0][x] = src[0]; |
|
dest[1][x] = src[1]; |
|
dest[2][x] = src[2]; |
|
|
|
src += inc_size; |
|
} |
|
src += srcStride - width * inc_size; |
|
dest[0] += dstStride[0]; |
|
dest[1] += dstStride[1]; |
|
dest[2] += dstStride[2]; |
|
} |
|
} |
|
|
|
static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
int alpha_first = 0; |
|
int stride102[] = { dstStride[1], dstStride[0], dstStride[2] }; |
|
int stride201[] = { dstStride[2], dstStride[0], dstStride[1] }; |
|
uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1], |
|
dst[0] + srcSliceY * dstStride[0], |
|
dst[2] + srcSliceY * dstStride[2] }; |
|
uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2], |
|
dst[0] + srcSliceY * dstStride[0], |
|
dst[1] + srcSliceY * dstStride[1] }; |
|
|
|
switch (c->srcFormat) { |
|
case AV_PIX_FMT_RGB24: |
|
packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201, |
|
stride201, srcSliceH, alpha_first, 3, c->srcW); |
|
break; |
|
case AV_PIX_FMT_BGR24: |
|
packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102, |
|
stride102, srcSliceH, alpha_first, 3, c->srcW); |
|
break; |
|
case AV_PIX_FMT_ARGB: |
|
alpha_first = 1; |
|
case AV_PIX_FMT_RGBA: |
|
packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201, |
|
stride201, srcSliceH, alpha_first, 4, c->srcW); |
|
break; |
|
case AV_PIX_FMT_ABGR: |
|
alpha_first = 1; |
|
case AV_PIX_FMT_BGRA: |
|
packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102, |
|
stride102, srcSliceH, alpha_first, 4, c->srcW); |
|
break; |
|
default: |
|
av_log(c, AV_LOG_ERROR, |
|
"unsupported planar RGB conversion %s -> %s\n", |
|
av_get_pix_fmt_name(c->srcFormat), |
|
av_get_pix_fmt_name(c->dstFormat)); |
|
} |
|
|
|
return srcSliceH; |
|
} |
|
|
|
#define isRGBA32(x) ( \ |
|
(x) == AV_PIX_FMT_ARGB \ |
|
|| (x) == AV_PIX_FMT_RGBA \ |
|
|| (x) == AV_PIX_FMT_BGRA \ |
|
|| (x) == AV_PIX_FMT_ABGR \ |
|
) |
|
|
|
#define isRGBA64(x) ( \ |
|
(x) == AV_PIX_FMT_RGBA64LE \ |
|
|| (x) == AV_PIX_FMT_RGBA64BE \ |
|
|| (x) == AV_PIX_FMT_BGRA64LE \ |
|
|| (x) == AV_PIX_FMT_BGRA64BE \ |
|
) |
|
|
|
#define isRGB48(x) ( \ |
|
(x) == AV_PIX_FMT_RGB48LE \ |
|
|| (x) == AV_PIX_FMT_RGB48BE \ |
|
|| (x) == AV_PIX_FMT_BGR48LE \ |
|
|| (x) == AV_PIX_FMT_BGR48BE \ |
|
) |
|
|
|
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ |
|
typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int); |
|
static rgbConvFn findRgbConvFn(SwsContext *c) |
|
{ |
|
const enum AVPixelFormat srcFormat = c->srcFormat; |
|
const enum AVPixelFormat dstFormat = c->dstFormat; |
|
const int srcId = c->srcFormatBpp; |
|
const int dstId = c->dstFormatBpp; |
|
rgbConvFn conv = NULL; |
|
|
|
#define IS_NOT_NE(bpp, desc) \ |
|
(((bpp + 7) >> 3) == 2 && \ |
|
(!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN)) |
|
|
|
#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst) |
|
|
|
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) { |
|
if ( CONV_IS(ABGR, RGBA) |
|
|| CONV_IS(ARGB, BGRA) |
|
|| CONV_IS(BGRA, ARGB) |
|
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210; |
|
else if (CONV_IS(ABGR, ARGB) |
|
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321; |
|
else if (CONV_IS(ABGR, BGRA) |
|
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230; |
|
else if (CONV_IS(BGRA, RGBA) |
|
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103; |
|
else if (CONV_IS(BGRA, ABGR) |
|
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012; |
|
} else if (isRGB48(srcFormat) && isRGB48(dstFormat)) { |
|
if (CONV_IS(RGB48LE, BGR48LE) |
|
|| CONV_IS(BGR48LE, RGB48LE) |
|
|| CONV_IS(RGB48BE, BGR48BE) |
|
|| CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap; |
|
else if (CONV_IS(RGB48LE, BGR48BE) |
|
|| CONV_IS(BGR48LE, RGB48BE) |
|
|| CONV_IS(RGB48BE, BGR48LE) |
|
|| CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap; |
|
} else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) { |
|
if (CONV_IS(RGBA64LE, BGR48LE) |
|
|| CONV_IS(BGRA64LE, RGB48LE) |
|
|| CONV_IS(RGBA64BE, BGR48BE) |
|
|| CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap; |
|
else if (CONV_IS(RGBA64LE, BGR48BE) |
|
|| CONV_IS(BGRA64LE, RGB48BE) |
|
|| CONV_IS(RGBA64BE, BGR48LE) |
|
|| CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap; |
|
else if (CONV_IS(RGBA64LE, RGB48LE) |
|
|| CONV_IS(BGRA64LE, BGR48LE) |
|
|| CONV_IS(RGBA64BE, RGB48BE) |
|
|| CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap; |
|
else if (CONV_IS(RGBA64LE, RGB48BE) |
|
|| CONV_IS(BGRA64LE, BGR48BE) |
|
|| CONV_IS(RGBA64BE, RGB48LE) |
|
|| CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap; |
|
} else |
|
/* BGR -> BGR */ |
|
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) || |
|
(isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) { |
|
switch (srcId | (dstId << 16)) { |
|
case 0x000F000C: conv = rgb12to15; break; |
|
case 0x000F0010: conv = rgb16to15; break; |
|
case 0x000F0018: conv = rgb24to15; break; |
|
case 0x000F0020: conv = rgb32to15; break; |
|
case 0x0010000F: conv = rgb15to16; break; |
|
case 0x00100018: conv = rgb24to16; break; |
|
case 0x00100020: conv = rgb32to16; break; |
|
case 0x0018000F: conv = rgb15to24; break; |
|
case 0x00180010: conv = rgb16to24; break; |
|
case 0x00180020: conv = rgb32to24; break; |
|
case 0x0020000F: conv = rgb15to32; break; |
|
case 0x00200010: conv = rgb16to32; break; |
|
case 0x00200018: conv = rgb24to32; break; |
|
} |
|
} else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) || |
|
(isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) { |
|
switch (srcId | (dstId << 16)) { |
|
case 0x000C000C: conv = rgb12tobgr12; break; |
|
case 0x000F000F: conv = rgb15tobgr15; break; |
|
case 0x000F0010: conv = rgb16tobgr15; break; |
|
case 0x000F0018: conv = rgb24tobgr15; break; |
|
case 0x000F0020: conv = rgb32tobgr15; break; |
|
case 0x0010000F: conv = rgb15tobgr16; break; |
|
case 0x00100010: conv = rgb16tobgr16; break; |
|
case 0x00100018: conv = rgb24tobgr16; break; |
|
case 0x00100020: conv = rgb32tobgr16; break; |
|
case 0x0018000F: conv = rgb15tobgr24; break; |
|
case 0x00180010: conv = rgb16tobgr24; break; |
|
case 0x00180018: conv = rgb24tobgr24; break; |
|
case 0x00180020: conv = rgb32tobgr24; break; |
|
case 0x0020000F: conv = rgb15tobgr32; break; |
|
case 0x00200010: conv = rgb16tobgr32; break; |
|
case 0x00200018: conv = rgb24tobgr32; break; |
|
} |
|
} |
|
|
|
if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0) |
|
return NULL; |
|
|
|
return conv; |
|
} |
|
|
|
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ |
|
static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], |
|
int srcSliceY, int srcSliceH, uint8_t *dst[], |
|
int dstStride[]) |
|
|
|
{ |
|
const enum AVPixelFormat srcFormat = c->srcFormat; |
|
const enum AVPixelFormat dstFormat = c->dstFormat; |
|
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat); |
|
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat); |
|
const int srcBpp = (c->srcFormatBpp + 7) >> 3; |
|
const int dstBpp = (c->dstFormatBpp + 7) >> 3; |
|
rgbConvFn conv = findRgbConvFn(c); |
|
|
|
if (!conv) { |
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat)); |
|
} else { |
|
const uint8_t *srcPtr = src[0]; |
|
uint8_t *dstPtr = dst[0]; |
|
int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src); |
|
int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst); |
|
|
|
if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) && |
|
!isRGBA32(dstFormat)) |
|
srcPtr += ALT32_CORR; |
|
|
|
if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && |
|
!isRGBA32(srcFormat)) { |
|
int i; |
|
av_assert0(ALT32_CORR == 1); |
|
for (i = 0; i < srcSliceH; i++) |
|
dstPtr[dstStride[0] * (srcSliceY + i)] = 255; |
|
dstPtr += ALT32_CORR; |
|
} |
|
|
|
if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 && |
|
!(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap) |
|
conv(srcPtr, dstPtr + dstStride[0] * srcSliceY, |
|
srcSliceH * srcStride[0]); |
|
else { |
|
int i, j; |
|
dstPtr += dstStride[0] * srcSliceY; |
|
|
|
for (i = 0; i < srcSliceH; i++) { |
|
if(src_bswap) { |
|
for(j=0; j<c->srcW; j++) |
|
((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]); |
|
conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp); |
|
}else |
|
conv(srcPtr, dstPtr, c->srcW * srcBpp); |
|
if(dst_bswap) |
|
for(j=0; j<c->srcW; j++) |
|
((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]); |
|
srcPtr += srcStride[0]; |
|
dstPtr += dstStride[0]; |
|
} |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
ff_rgb24toyv12( |
|
src[0], |
|
dst[0] + srcSliceY * dstStride[0], |
|
dst[1] + (srcSliceY >> 1) * dstStride[1], |
|
dst[2] + (srcSliceY >> 1) * dstStride[2], |
|
c->srcW, srcSliceH, |
|
dstStride[0], dstStride[1], srcStride[0], |
|
c->input_rgb2yuv_table); |
|
if (dst[3]) |
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
return srcSliceH; |
|
} |
|
|
|
static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
|
dst[0], dstStride[0]); |
|
|
|
planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[1], dstStride[1]); |
|
planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[2], dstStride[2]); |
|
if (dst[3]) |
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
return srcSliceH; |
|
} |
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */ |
|
static int packedCopyWrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
if (dstStride[0] == srcStride[0] && srcStride[0] > 0) |
|
memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]); |
|
else { |
|
int i; |
|
const uint8_t *srcPtr = src[0]; |
|
uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY; |
|
int length = 0; |
|
|
|
/* universal length finder */ |
|
while (length + c->srcW <= FFABS(dstStride[0]) && |
|
length + c->srcW <= FFABS(srcStride[0])) |
|
length += c->srcW; |
|
av_assert1(length != 0); |
|
|
|
for (i = 0; i < srcSliceH; i++) { |
|
memcpy(dstPtr, srcPtr, length); |
|
srcPtr += srcStride[0]; |
|
dstPtr += dstStride[0]; |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
#define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\ |
|
uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\ |
|
int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\ |
|
for (i = 0; i < height; i++) {\ |
|
const uint8_t *dither= dithers[src_depth-9][i&7];\ |
|
for (j = 0; j < length-7; j+=8){\ |
|
dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\ |
|
dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\ |
|
dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\ |
|
dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\ |
|
dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\ |
|
dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\ |
|
dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\ |
|
dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\ |
|
}\ |
|
for (; j < length; j++)\ |
|
dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\ |
|
dst += dstStride;\ |
|
src += srcStride;\ |
|
} |
|
|
|
static int planarCopyWrapper(SwsContext *c, const uint8_t *src[], |
|
int srcStride[], int srcSliceY, int srcSliceH, |
|
uint8_t *dst[], int dstStride[]) |
|
{ |
|
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat); |
|
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat); |
|
int plane, i, j; |
|
for (plane = 0; plane < 4; plane++) { |
|
int length = (plane == 0 || plane == 3) ? c->srcW : FF_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample); |
|
int y = (plane == 0 || plane == 3) ? srcSliceY: FF_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample); |
|
int height = (plane == 0 || plane == 3) ? srcSliceH: FF_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample); |
|
const uint8_t *srcPtr = src[plane]; |
|
uint8_t *dstPtr = dst[plane] + dstStride[plane] * y; |
|
int shiftonly= plane==1 || plane==2 || (!c->srcRange && plane==0); |
|
|
|
if (!dst[plane]) |
|
continue; |
|
// ignore palette for GRAY8 |
|
if (plane == 1 && !dst[2]) continue; |
|
if (!src[plane] || (plane == 1 && !src[2])) { |
|
if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) { |
|
fillPlane16(dst[plane], dstStride[plane], length, height, y, |
|
plane == 3, desc_dst->comp[plane].depth_minus1, |
|
isBE(c->dstFormat)); |
|
} else { |
|
fillPlane(dst[plane], dstStride[plane], length, height, y, |
|
(plane == 3) ? 255 : 128); |
|
} |
|
} else { |
|
if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat) |
|
|| (is16BPS(c->srcFormat) != is16BPS(c->dstFormat)) |
|
) { |
|
const int src_depth = desc_src->comp[plane].depth_minus1 + 1; |
|
const int dst_depth = desc_dst->comp[plane].depth_minus1 + 1; |
|
const uint16_t *srcPtr2 = (const uint16_t *) srcPtr; |
|
uint16_t *dstPtr2 = (uint16_t*)dstPtr; |
|
|
|
if (dst_depth == 8) { |
|
if(isBE(c->srcFormat) == HAVE_BIGENDIAN){ |
|
DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , ) |
|
} else { |
|
DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, ) |
|
} |
|
} else if (src_depth == 8) { |
|
for (i = 0; i < height; i++) { |
|
#define COPY816(w)\ |
|
if(shiftonly){\ |
|
for (j = 0; j < length; j++)\ |
|
w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\ |
|
}else{\ |
|
for (j = 0; j < length; j++)\ |
|
w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\ |
|
(srcPtr[j]>>(2*8-dst_depth)));\ |
|
} |
|
if(isBE(c->dstFormat)){ |
|
COPY816(AV_WB16) |
|
} else { |
|
COPY816(AV_WL16) |
|
} |
|
dstPtr2 += dstStride[plane]/2; |
|
srcPtr += srcStride[plane]; |
|
} |
|
} else if (src_depth <= dst_depth) { |
|
for (i = 0; i < height; i++) { |
|
j = 0; |
|
if(isBE(c->srcFormat) == HAVE_BIGENDIAN && |
|
isBE(c->dstFormat) == HAVE_BIGENDIAN && |
|
shiftonly) { |
|
unsigned shift = dst_depth - src_depth; |
|
#if HAVE_FAST_64BIT |
|
#define FAST_COPY_UP(shift) \ |
|
for (; j < length - 3; j += 4) { \ |
|
uint64_t v = AV_RN64A(srcPtr2 + j); \ |
|
AV_WN64A(dstPtr2 + j, v << shift); \ |
|
} |
|
#else |
|
#define FAST_COPY_UP(shift) \ |
|
for (; j < length - 1; j += 2) { \ |
|
uint32_t v = AV_RN32A(srcPtr2 + j); \ |
|
AV_WN32A(dstPtr2 + j, v << shift); \ |
|
} |
|
#endif |
|
switch (shift) |
|
{ |
|
case 6: FAST_COPY_UP(6); break; |
|
case 7: FAST_COPY_UP(7); break; |
|
} |
|
} |
|
#define COPY_UP(r,w) \ |
|
if(shiftonly){\ |
|
for (; j < length; j++){ \ |
|
unsigned int v= r(&srcPtr2[j]);\ |
|
w(&dstPtr2[j], v<<(dst_depth-src_depth));\ |
|
}\ |
|
}else{\ |
|
for (; j < length; j++){ \ |
|
unsigned int v= r(&srcPtr2[j]);\ |
|
w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \ |
|
(v>>(2*src_depth-dst_depth)));\ |
|
}\ |
|
} |
|
if(isBE(c->srcFormat)){ |
|
if(isBE(c->dstFormat)){ |
|
COPY_UP(AV_RB16, AV_WB16) |
|
} else { |
|
COPY_UP(AV_RB16, AV_WL16) |
|
} |
|
} else { |
|
if(isBE(c->dstFormat)){ |
|
COPY_UP(AV_RL16, AV_WB16) |
|
} else { |
|
COPY_UP(AV_RL16, AV_WL16) |
|
} |
|
} |
|
dstPtr2 += dstStride[plane]/2; |
|
srcPtr2 += srcStride[plane]/2; |
|
} |
|
} else { |
|
if(isBE(c->srcFormat) == HAVE_BIGENDIAN){ |
|
if(isBE(c->dstFormat) == HAVE_BIGENDIAN){ |
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , ) |
|
} else { |
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16) |
|
} |
|
}else{ |
|
if(isBE(c->dstFormat) == HAVE_BIGENDIAN){ |
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, ) |
|
} else { |
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16) |
|
} |
|
} |
|
} |
|
} else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) && |
|
isBE(c->srcFormat) != isBE(c->dstFormat)) { |
|
|
|
for (i = 0; i < height; i++) { |
|
for (j = 0; j < length; j++) |
|
((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]); |
|
srcPtr += srcStride[plane]; |
|
dstPtr += dstStride[plane]; |
|
} |
|
} else if (dstStride[plane] == srcStride[plane] && |
|
srcStride[plane] > 0 && srcStride[plane] == length) { |
|
memcpy(dst[plane] + dstStride[plane] * y, src[plane], |
|
height * dstStride[plane]); |
|
} else { |
|
if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) |
|
length *= 2; |
|
else if (!desc_src->comp[0].depth_minus1) |
|
length >>= 3; // monowhite/black |
|
for (i = 0; i < height; i++) { |
|
memcpy(dstPtr, srcPtr, length); |
|
srcPtr += srcStride[plane]; |
|
dstPtr += dstStride[plane]; |
|
} |
|
} |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
|
|
#define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \ |
|
((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \ |
|
(src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE)) |
|
|
|
|
|
void ff_get_unscaled_swscale(SwsContext *c) |
|
{ |
|
const enum AVPixelFormat srcFormat = c->srcFormat; |
|
const enum AVPixelFormat dstFormat = c->dstFormat; |
|
const int flags = c->flags; |
|
const int dstH = c->dstH; |
|
int needsDither; |
|
|
|
needsDither = isAnyRGB(dstFormat) && |
|
c->dstFormatBpp < 24 && |
|
(c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat))); |
|
|
|
/* yv12_to_nv12 */ |
|
if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) && |
|
(dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) { |
|
c->swscale = planarToNv12Wrapper; |
|
} |
|
/* nv12_to_yv12 */ |
|
if (dstFormat == AV_PIX_FMT_YUV420P && |
|
(srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) { |
|
c->swscale = nv12ToPlanarWrapper; |
|
} |
|
/* yuv2bgr */ |
|
if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P || |
|
srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) && |
|
!(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) { |
|
c->swscale = ff_yuv2rgb_get_func_ptr(c); |
|
} |
|
|
|
if (srcFormat == AV_PIX_FMT_YUV410P && |
|
(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) && |
|
!(flags & SWS_BITEXACT)) { |
|
c->swscale = yvu9ToYv12Wrapper; |
|
} |
|
|
|
/* bgr24toYV12 */ |
|
if (srcFormat == AV_PIX_FMT_BGR24 && |
|
(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) && |
|
!(flags & SWS_ACCURATE_RND)) |
|
c->swscale = bgr24ToYv12Wrapper; |
|
|
|
/* RGB/BGR -> RGB/BGR (no dither needed forms) */ |
|
if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c) |
|
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) |
|
c->swscale = rgbToRgbWrapper; |
|
|
|
if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) || |
|
(srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP)) |
|
c->swscale = planarRgbToplanarRgbWrapper; |
|
|
|
#define isByteRGB(f) ( \ |
|
f == AV_PIX_FMT_RGB32 || \ |
|
f == AV_PIX_FMT_RGB32_1 || \ |
|
f == AV_PIX_FMT_RGB24 || \ |
|
f == AV_PIX_FMT_BGR32 || \ |
|
f == AV_PIX_FMT_BGR32_1 || \ |
|
f == AV_PIX_FMT_BGR24) |
|
|
|
if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat)) |
|
c->swscale = planarRgbToRgbWrapper; |
|
|
|
if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE || |
|
srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE || |
|
srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE || |
|
srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE || |
|
srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE || |
|
srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) && |
|
(dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE || |
|
dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE || |
|
dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE || |
|
dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE)) |
|
c->swscale = planarRgb16ToRgb16Wrapper; |
|
|
|
if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth_minus1 == 7 && |
|
isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP) |
|
c->swscale = rgbToPlanarRgbWrapper; |
|
|
|
/* bswap 16 bits per pixel/component packed formats */ |
|
if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) || |
|
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16)) |
|
c->swscale = packed_16bpc_bswap; |
|
|
|
if (usePal(srcFormat) && isByteRGB(dstFormat)) |
|
c->swscale = palToRgbWrapper; |
|
|
|
if (srcFormat == AV_PIX_FMT_YUV422P) { |
|
if (dstFormat == AV_PIX_FMT_YUYV422) |
|
c->swscale = yuv422pToYuy2Wrapper; |
|
else if (dstFormat == AV_PIX_FMT_UYVY422) |
|
c->swscale = yuv422pToUyvyWrapper; |
|
} |
|
|
|
/* LQ converters if -sws 0 or -sws 4*/ |
|
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) { |
|
/* yv12_to_yuy2 */ |
|
if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) { |
|
if (dstFormat == AV_PIX_FMT_YUYV422) |
|
c->swscale = planarToYuy2Wrapper; |
|
else if (dstFormat == AV_PIX_FMT_UYVY422) |
|
c->swscale = planarToUyvyWrapper; |
|
} |
|
} |
|
if (srcFormat == AV_PIX_FMT_YUYV422 && |
|
(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P)) |
|
c->swscale = yuyvToYuv420Wrapper; |
|
if (srcFormat == AV_PIX_FMT_UYVY422 && |
|
(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P)) |
|
c->swscale = uyvyToYuv420Wrapper; |
|
if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P) |
|
c->swscale = yuyvToYuv422Wrapper; |
|
if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P) |
|
c->swscale = uyvyToYuv422Wrapper; |
|
|
|
#define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_GRAY8A) |
|
/* simple copy */ |
|
if ( srcFormat == dstFormat || |
|
(srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) || |
|
(srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) || |
|
(isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) || |
|
(isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) || |
|
(isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) || |
|
(isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) && |
|
c->chrDstHSubSample == c->chrSrcHSubSample && |
|
c->chrDstVSubSample == c->chrSrcVSubSample && |
|
dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 && |
|
srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_PIX_FMT_NV21)) |
|
{ |
|
if (isPacked(c->srcFormat)) |
|
c->swscale = packedCopyWrapper; |
|
else /* Planar YUV or gray */ |
|
c->swscale = planarCopyWrapper; |
|
} |
|
|
|
if (ARCH_BFIN) |
|
ff_get_unscaled_swscale_bfin(c); |
|
if (ARCH_PPC) |
|
ff_get_unscaled_swscale_ppc(c); |
|
if (ARCH_ARM) |
|
ff_get_unscaled_swscale_arm(c); |
|
|
|
} |
|
|
|
/* Convert the palette to the same packed 32-bit format as the palette */ |
|
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, |
|
int num_pixels, const uint8_t *palette) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < num_pixels; i++) |
|
((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]]; |
|
} |
|
|
|
/* Palette format: ABCD -> dst format: ABC */ |
|
void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, |
|
int num_pixels, const uint8_t *palette) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < num_pixels; i++) { |
|
//FIXME slow? |
|
dst[0] = palette[src[i] * 4 + 0]; |
|
dst[1] = palette[src[i] * 4 + 1]; |
|
dst[2] = palette[src[i] * 4 + 2]; |
|
dst += 3; |
|
} |
|
}
|
|
|