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libswscale: bayer to rgb24 & yv12 colorspace converters
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross
Michael Niedermayer
parent
7e23cfba76
commit
02b63246cf
236
libswscale/bayer_template.c
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236
libswscale/bayer_template.c
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@ -0,0 +1,236 @@
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/*
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* Bayer-to-RGB/YV12 template
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* Copyright (c) 2011-2014 Peter Ross <pross@xvid.org>
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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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#if defined(BAYER_BGGR) || defined(BAYER_GBRG)
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#define BAYER_R 0
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#define BAYER_G 1
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#define BAYER_B 2
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#endif
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#if defined(BAYER_RGGB) || defined(BAYER_GRBG)
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#define BAYER_R 2
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#define BAYER_G 1
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#define BAYER_B 0
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#endif
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#if defined(BAYER_8)
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#define BAYER_READ(x) (x)
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#define BAYER_SIZEOF 1
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#define BAYER_SHIFT 0
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#endif
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#if defined(BAYER_16LE)
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#define BAYER_READ(x) AV_RL16(&x)
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#define BAYER_SIZEOF 2
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#define BAYER_SHIFT 8
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#endif
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#if defined(BAYER_16BE)
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#define BAYER_READ(x) AV_RB16(&x)
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#define BAYER_SIZEOF 2
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#define BAYER_SHIFT 8
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#endif
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#define S(y, x) BAYER_READ(src[(y)*src_stride + BAYER_SIZEOF*(x)])
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#define T(y, x) (unsigned int)S(y, x)
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#define R(y, x) dst[(y)*dst_stride + (x)*3 + BAYER_R]
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#define G(y, x) dst[(y)*dst_stride + (x)*3 + BAYER_G]
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#define B(y, x) dst[(y)*dst_stride + (x)*3 + BAYER_B]
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#if defined(BAYER_BGGR) || defined(BAYER_RGGB)
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#define BAYER_TO_RGB24_COPY \
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R(0, 0) = \
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R(0, 1) = \
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R(1, 1) = \
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R(1, 0) = S(1, 1) >> BAYER_SHIFT; \
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\
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G(0, 1) = S(0, 1) >> BAYER_SHIFT; \
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G(0, 0) = \
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G(1, 1) = (T(0, 1) + T(1, 0)) >> (1 + BAYER_SHIFT); \
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G(1, 0) = S(1, 0) >> BAYER_SHIFT; \
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\
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B(1, 1) = \
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B(0, 0) = \
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B(0, 1) = \
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B(1, 0) = S(0, 0) >> BAYER_SHIFT;
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#define BAYER_TO_RGB24_INTERPOLATE \
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R(0, 0) = (T(-1, -1) + T(-1, 1) + T(1, -1) + T(1, 1)) >> (2 + BAYER_SHIFT); \
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G(0, 0) = (T(-1, 0) + T( 0, -1) + T(0, 1) + T(1, 0)) >> (2 + BAYER_SHIFT); \
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B(0, 0) = S(0, 0) >> BAYER_SHIFT; \
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\
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R(0, 1) = (T(-1, 1) + T(1, 1)) >> (1 + BAYER_SHIFT); \
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G(0, 1) = S(0, 1) >> BAYER_SHIFT; \
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B(0, 1) = (T(0, 0) + T(0, 2)) >> (1 + BAYER_SHIFT); \
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\
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R(1, 0) = (T(1, -1) + T(1, 1)) >> (1 + BAYER_SHIFT); \
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G(1, 0) = S(1, 0) >> BAYER_SHIFT; \
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B(1, 0) = (T(0, 0) + T(2, 0)) >> (1 + BAYER_SHIFT); \
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\
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R(1, 1) = S(1, 1) >> BAYER_SHIFT; \
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G(1, 1) = (T(0, 1) + T(1, 0) + T(1, 2) + T(2, 1)) >> (2 + BAYER_SHIFT); \
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B(1, 1) = (T(0, 0) + T(0, 2) + T(2, 0) + T(2, 2)) >> (2 + BAYER_SHIFT);
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#else
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#define BAYER_TO_RGB24_COPY \
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R(0, 0) = \
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R(0, 1) = \
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R(1, 1) = \
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R(1, 0) = S(1, 0) >> BAYER_SHIFT; \
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\
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G(0, 0) = S(0, 0) >> BAYER_SHIFT; \
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G(1, 1) = S(1, 1) >> BAYER_SHIFT; \
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G(0, 1) = \
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G(1, 0) = (T(0, 0) + T(1, 1)) >> (1 + BAYER_SHIFT); \
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\
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B(1, 1) = \
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B(0, 0) = \
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B(0, 1) = \
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B(1, 0) = S(0, 1) >> BAYER_SHIFT;
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#define BAYER_TO_RGB24_INTERPOLATE \
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R(0, 0) = (T(-1, 0) + T(1, 0)) >> (1 + BAYER_SHIFT); \
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G(0, 0) = S(0, 0) >> BAYER_SHIFT; \
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B(0, 0) = (T(0, -1) + T(0, 1)) >> (1 + BAYER_SHIFT); \
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\
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R(0, 1) = (T(-1, 0) + T(-1, 2) + T(1, 0) + T(1, 2)) >> (2 + BAYER_SHIFT); \
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G(0, 1) = (T(-1, 1) + T(0, 0) + T(0, 2) + T(1, 1)) >> (2 + BAYER_SHIFT); \
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B(0, 1) = S(0, 1) >> BAYER_SHIFT; \
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\
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R(1, 0) = S(1, 0) >> BAYER_SHIFT; \
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G(1, 0) = (T(0, 0) + T(1, -1) + T(1, 1) + T(2, 0)) >> (2 + BAYER_SHIFT); \
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B(1, 0) = (T(0, -1) + T(0, 1) + T(2, -1) + T(2, 1)) >> (2 + BAYER_SHIFT); \
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\
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R(1, 1) = (T(1, 0) + T(1, 2)) >> (1 + BAYER_SHIFT); \
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G(1, 1) = S(1, 1) >> BAYER_SHIFT; \
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B(1, 1) = (T(0, 1) + T(2, 1)) >> (1 + BAYER_SHIFT);
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#endif
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/**
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* invoke ff_rgb24toyv12 for 2x2 pixels
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*/
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#define rgb24toyv12_2x2(src, dstY, dstU, dstV, luma_stride, src_stride, rgb2yuv) \
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ff_rgb24toyv12(src, dstY, dstV, dstU, 2, 2, luma_stride, 0, src_stride, rgb2yuv)
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static void BAYER_RENAME(rgb24_copy)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width)
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{
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int i;
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for (i = 0 ; i < width; i+= 2) {
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BAYER_TO_RGB24_COPY
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src += 2 * BAYER_SIZEOF;
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dst += 6;
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}
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}
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static void BAYER_RENAME(rgb24_interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width)
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{
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int i;
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BAYER_TO_RGB24_COPY
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src += 2 * BAYER_SIZEOF;
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dst += 6;
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for (i = 2 ; i < width - 2; i+= 2) {
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BAYER_TO_RGB24_INTERPOLATE
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src += 2 * BAYER_SIZEOF;
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dst += 6;
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}
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if (width > 2) {
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BAYER_TO_RGB24_COPY
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}
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}
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static void BAYER_RENAME(yv12_copy)(const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv)
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{
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uint8_t dst[12];
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const int dst_stride = 6;
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int i;
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for (i = 0 ; i < width; i+= 2) {
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BAYER_TO_RGB24_COPY
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rgb24toyv12_2x2(dst, dstY, dstU, dstV, luma_stride, dst_stride, rgb2yuv);
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src += 2 * BAYER_SIZEOF;
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dstY += 2;
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dstU++;
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dstV++;
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}
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}
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static void BAYER_RENAME(yv12_interpolate)(const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv)
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{
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uint8_t dst[12];
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const int dst_stride = 6;
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int i;
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BAYER_TO_RGB24_COPY
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rgb24toyv12_2x2(dst, dstY, dstU, dstV, luma_stride, dst_stride, rgb2yuv);
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src += 2 * BAYER_SIZEOF;
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dstY += 2;
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dstU++;
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dstV++;
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for (i = 2 ; i < width - 2; i+= 2) {
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BAYER_TO_RGB24_INTERPOLATE
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rgb24toyv12_2x2(dst, dstY, dstU, dstV, luma_stride, dst_stride, rgb2yuv);
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src += 2 * BAYER_SIZEOF;
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dstY += 2;
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dstU++;
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dstV++;
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}
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if (width > 2) {
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BAYER_TO_RGB24_COPY
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rgb24toyv12_2x2(dst, dstY, dstU, dstV, luma_stride, dst_stride, rgb2yuv);
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}
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}
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#undef S
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#undef T
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#undef R
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#undef G
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#undef B
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#undef BAYER_TO_RGB24_COPY
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#undef BAYER_TO_RGB24_INTERPOLATE
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#undef BAYER_RENAME
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#undef BAYER_R
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#undef BAYER_G
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#undef BAYER_B
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#undef BAYER_READ
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#undef BAYER_SIZEOF
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#undef BAYER_SHIFT
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#if defined(BAYER_BGGR)
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#undef BAYER_BGGR
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#endif
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#if defined(BAYER_RGGB)
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#undef BAYER_RGGB
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#endif
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#if defined(BAYER_GBRG)
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#undef BAYER_GBRG
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#endif
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#if defined(BAYER_GRBG)
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#undef BAYER_GRBG
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#endif
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#if defined(BAYER_8)
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#undef BAYER_8
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#endif
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#if defined(BAYER_16LE)
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#undef BAYER_16LE
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#endif
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#if defined(BAYER_16BE)
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#undef BAYER_16BE
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#endif
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@ -749,8 +749,24 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
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|| (x) == AV_PIX_FMT_BGR24 \
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)
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#define isBayer(x) ( \
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(x)==AV_PIX_FMT_BAYER_BGGR8 \
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|| (x)==AV_PIX_FMT_BAYER_BGGR16LE \
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|| (x)==AV_PIX_FMT_BAYER_BGGR16BE \
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|| (x)==AV_PIX_FMT_BAYER_RGGB8 \
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|| (x)==AV_PIX_FMT_BAYER_RGGB16LE \
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|| (x)==AV_PIX_FMT_BAYER_RGGB16BE \
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|| (x)==AV_PIX_FMT_BAYER_GBRG8 \
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|| (x)==AV_PIX_FMT_BAYER_GBRG16LE \
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|| (x)==AV_PIX_FMT_BAYER_GBRG16BE \
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|| (x)==AV_PIX_FMT_BAYER_GRBG8 \
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|| (x)==AV_PIX_FMT_BAYER_GRBG16LE \
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|| (x)==AV_PIX_FMT_BAYER_GRBG16BE \
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)
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#define isAnyRGB(x) \
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( \
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isBayer(x) || \
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isRGBinInt(x) || \
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isBGRinInt(x) || \
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isRGB(x) \
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@ -968,6 +968,160 @@ static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
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return srcSliceH;
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}
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#define BAYER_GBRG
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#define BAYER_8
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#define BAYER_RENAME(x) bayer_gbrg8_to_##x
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#include "bayer_template.c"
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#define BAYER_GBRG
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#define BAYER_16LE
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#define BAYER_RENAME(x) bayer_gbrg16le_to_##x
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#include "bayer_template.c"
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#define BAYER_GBRG
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#define BAYER_16BE
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#define BAYER_RENAME(x) bayer_gbrg16be_to_##x
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#include "bayer_template.c"
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#define BAYER_GRBG
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#define BAYER_8
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#define BAYER_RENAME(x) bayer_grbg8_to_##x
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#include "bayer_template.c"
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#define BAYER_GRBG
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#define BAYER_16LE
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#define BAYER_RENAME(x) bayer_grbg16le_to_##x
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#include "bayer_template.c"
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#define BAYER_GRBG
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#define BAYER_16BE
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#define BAYER_RENAME(x) bayer_grbg16be_to_##x
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#include "bayer_template.c"
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#define BAYER_BGGR
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#define BAYER_8
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#define BAYER_RENAME(x) bayer_bggr8_to_##x
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#include "bayer_template.c"
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#define BAYER_BGGR
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#define BAYER_16LE
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#define BAYER_RENAME(x) bayer_bggr16le_to_##x
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#include "bayer_template.c"
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#define BAYER_BGGR
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#define BAYER_16BE
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#define BAYER_RENAME(x) bayer_bggr16be_to_##x
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#include "bayer_template.c"
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#define BAYER_RGGB
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#define BAYER_8
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#define BAYER_RENAME(x) bayer_rggb8_to_##x
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#include "bayer_template.c"
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#define BAYER_RGGB
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#define BAYER_16LE
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#define BAYER_RENAME(x) bayer_rggb16le_to_##x
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#include "bayer_template.c"
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#define BAYER_RGGB
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#define BAYER_16BE
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#define BAYER_RENAME(x) bayer_rggb16be_to_##x
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#include "bayer_template.c"
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static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
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int srcSliceH, uint8_t* dst[], int dstStride[])
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{
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uint8_t *dstPtr= dst[0];
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const uint8_t *srcPtr= src[0];
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int i;
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void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
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void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
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switch(c->srcFormat) {
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#define CASE(pixfmt, prefix) \
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case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
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interpolate = bayer_##prefix##_to_rgb24_interpolate; \
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break;
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CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
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CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
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CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
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CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
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CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
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CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
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CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
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CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
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CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
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CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
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CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
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CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
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#undef CASE
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default: return 0;
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}
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copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
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srcPtr += 2 * srcStride[0];
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dstPtr += 2 * dstStride[0];
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for (i = 2; i < srcSliceH - 2; i += 2) {
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interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
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srcPtr += 2 * srcStride[0];
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dstPtr += 2 * dstStride[0];
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}
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copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
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return srcSliceH;
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}
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static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
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int srcSliceH, uint8_t* dst[], int dstStride[])
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{
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const uint8_t *srcPtr= src[0];
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uint8_t *dstY= dst[0];
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uint8_t *dstU= dst[1];
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uint8_t *dstV= dst[2];
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int i;
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void (*copy) (const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv);
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void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv);
|
||||
|
||||
switch(c->srcFormat) {
|
||||
#define CASE(pixfmt, prefix) \
|
||||
case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
|
||||
interpolate = bayer_##prefix##_to_yv12_interpolate; \
|
||||
break;
|
||||
CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
|
||||
CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
|
||||
CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
|
||||
CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
|
||||
CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
|
||||
CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
|
||||
CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
|
||||
CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
|
||||
CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
|
||||
CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
|
||||
CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
|
||||
CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
|
||||
#undef CASE
|
||||
default: return 0;
|
||||
}
|
||||
|
||||
copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
|
||||
srcPtr += 2 * srcStride[0];
|
||||
dstY += 2 * dstStride[0];
|
||||
dstU += dstStride[1];
|
||||
dstV += dstStride[1];
|
||||
|
||||
for (i = 2; i < srcSliceH - 2; i += 2) {
|
||||
interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
|
||||
srcPtr += 2 * srcStride[0];
|
||||
dstY += 2 * dstStride[0];
|
||||
dstU += dstStride[1];
|
||||
dstV += dstStride[1];
|
||||
}
|
||||
|
||||
copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
|
||||
return srcSliceH;
|
||||
}
|
||||
|
||||
#define isRGBA32(x) ( \
|
||||
(x) == AV_PIX_FMT_ARGB \
|
||||
|| (x) == AV_PIX_FMT_RGBA \
|
||||
@ -1491,8 +1645,23 @@ void ff_get_unscaled_swscale(SwsContext *c)
|
||||
isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
|
||||
c->swscale = rgbToPlanarRgbWrapper;
|
||||
|
||||
if (isBayer(srcFormat)) {
|
||||
if (dstFormat == AV_PIX_FMT_RGB24)
|
||||
c->swscale = bayer_to_rgb24_wrapper;
|
||||
else if (dstFormat == AV_PIX_FMT_YUV420P)
|
||||
c->swscale = bayer_to_yv12_wrapper;
|
||||
else if (!isBayer(dstFormat)) {
|
||||
av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
|
||||
av_assert0(0);
|
||||
}
|
||||
}
|
||||
|
||||
/* bswap 16 bits per pixel/component packed formats */
|
||||
if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
|
||||
if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
|
||||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
|
||||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
|
||||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
|
||||
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) ||
|
||||
|
||||
@ -207,6 +207,18 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
|
||||
[AV_PIX_FMT_GBRAP] = { 1, 1 },
|
||||
[AV_PIX_FMT_GBRAP16LE] = { 1, 0 },
|
||||
[AV_PIX_FMT_GBRAP16BE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_BGGR8] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_RGGB8] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GBRG8] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GRBG8] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_BGGR16LE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_BGGR16BE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_RGGB16LE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_RGGB16BE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GBRG16LE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GBRG16BE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GRBG16LE] = { 1, 0 },
|
||||
[AV_PIX_FMT_BAYER_GRBG16BE] = { 1, 0 },
|
||||
};
|
||||
|
||||
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user