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* Templates for image convertion routines
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* Copyright (c) 2001, 2002, 2003 Fabrice Bellard.
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* This library 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 of the License, or (at your option) any later version.
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* This library 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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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#define RGB_OUT(d, r, g, b) RGBA_OUT(d, r, g, b, 0xff)
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static void glue(yuv420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr;
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int w, y, cb, cr, r_add, g_add, b_add, width2;
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uint8_t *cm = cropTbl + MAX_NEG_CROP;
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y1_ptr = src->data[0];
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cb_ptr = src->data[1];
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cr_ptr = src->data[2];
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width2 = (width + 1) >> 1;
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for(;height >= 2; height -= 2) {
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d2 = d + dst->linesize[0];
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y2_ptr = y1_ptr + src->linesize[0];
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for(w = width; w >= 2; w -= 2) {
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YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]);
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RGB_OUT(d1 + BPP, r, g, b);
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YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[1]);
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RGB_OUT(d2 + BPP, r, g, b);
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/* handle odd width */
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YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]);
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d += 2 * dst->linesize[0];
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y1_ptr += 2 * src->linesize[0] - width;
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cb_ptr += src->linesize[1] - width2;
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cr_ptr += src->linesize[2] - width2;
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/* handle odd height */
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for(w = width; w >= 2; w -= 2) {
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YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]);
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RGB_OUT(d1 + BPP, r, g, b);
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YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
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/* output 2 pixels */
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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static void glue(yuvj420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr;
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uint8_t *d, *d1, *d2;
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int w, y, cb, cr, r_add, g_add, b_add, width2;
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uint8_t *cm = cropTbl + MAX_NEG_CROP;
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unsigned int r, g, b;
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y1_ptr = src->data[0];
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cb_ptr = src->data[1];
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cr_ptr = src->data[2];
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width2 = (width + 1) >> 1;
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for(;height >= 2; height -= 2) {
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d2 = d + dst->linesize[0];
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y2_ptr = y1_ptr + src->linesize[0];
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for(w = width; w >= 2; w -= 2) {
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YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
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/* output 4 pixels */
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YUV_TO_RGB2(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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YUV_TO_RGB2(r, g, b, y1_ptr[1]);
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RGB_OUT(d1 + BPP, r, g, b);
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YUV_TO_RGB2(r, g, b, y2_ptr[0]);
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RGB_OUT(d2, r, g, b);
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YUV_TO_RGB2(r, g, b, y2_ptr[1]);
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RGB_OUT(d2 + BPP, r, g, b);
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/* handle odd width */
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YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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YUV_TO_RGB2(r, g, b, y2_ptr[0]);
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RGB_OUT(d2, r, g, b);
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d += 2 * dst->linesize[0];
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y1_ptr += 2 * src->linesize[0] - width;
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cb_ptr += src->linesize[1] - width2;
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cr_ptr += src->linesize[2] - width2;
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/* handle odd height */
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for(w = width; w >= 2; w -= 2) {
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YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
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/* output 2 pixels */
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YUV_TO_RGB2(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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YUV_TO_RGB2(r, g, b, y1_ptr[1]);
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RGB_OUT(d1 + BPP, r, g, b);
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YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
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/* output 2 pixels */
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YUV_TO_RGB2(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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static void glue(RGB_NAME, _to_yuv420p)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int wrap, wrap3, width2;
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int r, g, b, r1, g1, b1, w;
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uint8_t *lum, *cb, *cr;
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width2 = (width + 1) >> 1;
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wrap = dst->linesize[0];
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wrap3 = src->linesize[0];
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for(;height>=2;height -= 2) {
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for(w = width; w >= 2; w -= 2) {
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y_CCIR(r, g, b);
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y_CCIR(r, g, b);
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cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 2);
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cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 2);
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p += -wrap3 + 2 * BPP;
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1);
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cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1);
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p += wrap3 + (wrap3 - width * BPP);
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lum += wrap + (wrap - width);
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cb += dst->linesize[1] - width2;
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cr += dst->linesize[2] - width2;
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/* handle odd height */
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for(w = width; w >= 2; w -= 2) {
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y_CCIR(r, g, b);
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cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1);
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cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1);
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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cb[0] = RGB_TO_U_CCIR(r, g, b, 0);
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cr[0] = RGB_TO_V_CCIR(r, g, b, 0);
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static void glue(RGB_NAME, _to_gray)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const unsigned char *p;
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int r, g, b, dst_wrap, src_wrap;
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src_wrap = src->linesize[0] - BPP * width;
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dst_wrap = dst->linesize[0] - width;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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q[0] = RGB_TO_Y(r, g, b);
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static void glue(gray_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const unsigned char *p;
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int r, dst_wrap, src_wrap;
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src_wrap = src->linesize[0] - width;
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dst_wrap = dst->linesize[0] - BPP * width;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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static void glue(pal8_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const unsigned char *p;
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int r, g, b, dst_wrap, src_wrap;
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const uint32_t *palette;
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src_wrap = src->linesize[0] - width;
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palette = (uint32_t *)src->data[1];
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dst_wrap = dst->linesize[0] - BPP * width;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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r = (v >> 16) & 0xff;
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a = (v >> 24) & 0xff;
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RGBA_OUT(q, r, g, b, a);
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#if !defined(FMT_RGBA32) && defined(RGBA_OUT)
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static void glue(rgba32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int src_wrap, dst_wrap, j, y;
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unsigned int v, r, g, b, a;
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src_wrap = src->linesize[0] - width * 4;
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dst_wrap = dst->linesize[0] - width * BPP;
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for(y=0;y<height;y++) {
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for(j = 0;j < width; j++) {
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v = ((const uint32_t *)(s))[0];
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a = (v >> 24) & 0xff;
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r = (v >> 16) & 0xff;
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RGBA_OUT(d, r, g, b, a);
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static void glue(RGB_NAME, _to_rgba32)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int src_wrap, dst_wrap, j, y;
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unsigned int r, g, b, a;
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src_wrap = src->linesize[0] - width * BPP;
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dst_wrap = dst->linesize[0] - width * 4;
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for(y=0;y<height;y++) {
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for(j = 0;j < width; j++) {
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RGBA_IN(r, g, b, a, s);
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((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;
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#endif /* !defined(FMT_RGBA32) && defined(RGBA_IN) */
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static void glue(rgb24_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int src_wrap, dst_wrap, j, y;
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unsigned int r, g, b;
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src_wrap = src->linesize[0] - width * 3;
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dst_wrap = dst->linesize[0] - width * BPP;
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for(y=0;y<height;y++) {
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for(j = 0;j < width; j++) {
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static void glue(RGB_NAME, _to_rgb24)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int src_wrap, dst_wrap, j, y;
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unsigned int r, g , b;
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src_wrap = src->linesize[0] - width * BPP;
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dst_wrap = dst->linesize[0] - width * 3;
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for(y=0;y<height;y++) {
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for(j = 0;j < width; j++) {
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#endif /* !FMT_RGB24 */
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static void yuv444p_to_rgb24(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const uint8_t *y1_ptr, *cb_ptr, *cr_ptr;
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int w, y, cb, cr, r_add, g_add, b_add;
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uint8_t *cm = cropTbl + MAX_NEG_CROP;
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unsigned int r, g, b;
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y1_ptr = src->data[0];
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cb_ptr = src->data[1];
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cr_ptr = src->data[2];
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for(;height > 0; height --) {
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for(w = width; w > 0; w--) {
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YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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d += dst->linesize[0];
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y1_ptr += src->linesize[0] - width;
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cb_ptr += src->linesize[1] - width;
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cr_ptr += src->linesize[2] - width;
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static void yuvj444p_to_rgb24(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const uint8_t *y1_ptr, *cb_ptr, *cr_ptr;
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int w, y, cb, cr, r_add, g_add, b_add;
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uint8_t *cm = cropTbl + MAX_NEG_CROP;
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unsigned int r, g, b;
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y1_ptr = src->data[0];
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cb_ptr = src->data[1];
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cr_ptr = src->data[2];
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for(;height > 0; height --) {
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for(w = width; w > 0; w--) {
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YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
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YUV_TO_RGB2(r, g, b, y1_ptr[0]);
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RGB_OUT(d1, r, g, b);
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d += dst->linesize[0];
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y1_ptr += src->linesize[0] - width;
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cb_ptr += src->linesize[1] - width;
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cr_ptr += src->linesize[2] - width;
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static void rgb24_to_yuv444p(AVPicture *dst, const AVPicture *src,
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int width, int height)
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uint8_t *lum, *cb, *cr;
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src_wrap = src->linesize[0] - width * BPP;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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lum[0] = RGB_TO_Y_CCIR(r, g, b);
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cb[0] = RGB_TO_U_CCIR(r, g, b, 0);
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cr[0] = RGB_TO_V_CCIR(r, g, b, 0);
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lum += dst->linesize[0] - width;
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cb += dst->linesize[1] - width;
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cr += dst->linesize[2] - width;
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static void rgb24_to_yuvj420p(AVPicture *dst, const AVPicture *src,
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int width, int height)
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int wrap, wrap3, width2;
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int r, g, b, r1, g1, b1, w;
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uint8_t *lum, *cb, *cr;
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width2 = (width + 1) >> 1;
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wrap = dst->linesize[0];
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wrap3 = src->linesize[0];
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for(;height>=2;height -= 2) {
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for(w = width; w >= 2; w -= 2) {
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lum[0] = RGB_TO_Y(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y(r, g, b);
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lum[0] = RGB_TO_Y(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y(r, g, b);
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cb[0] = RGB_TO_U(r1, g1, b1, 2);
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cr[0] = RGB_TO_V(r1, g1, b1, 2);
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p += -wrap3 + 2 * BPP;
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lum[0] = RGB_TO_Y(r, g, b);
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lum[0] = RGB_TO_Y(r, g, b);
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cb[0] = RGB_TO_U(r1, g1, b1, 1);
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cr[0] = RGB_TO_V(r1, g1, b1, 1);
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p += wrap3 + (wrap3 - width * BPP);
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lum += wrap + (wrap - width);
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cb += dst->linesize[1] - width2;
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cr += dst->linesize[2] - width2;
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/* handle odd height */
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for(w = width; w >= 2; w -= 2) {
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lum[0] = RGB_TO_Y(r, g, b);
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RGB_IN(r, g, b, p + BPP);
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lum[1] = RGB_TO_Y(r, g, b);
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cb[0] = RGB_TO_U(r1, g1, b1, 1);
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cr[0] = RGB_TO_V(r1, g1, b1, 1);
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lum[0] = RGB_TO_Y(r, g, b);
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cb[0] = RGB_TO_U(r, g, b, 0);
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cr[0] = RGB_TO_V(r, g, b, 0);
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static void rgb24_to_yuvj444p(AVPicture *dst, const AVPicture *src,
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int width, int height)
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uint8_t *lum, *cb, *cr;
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src_wrap = src->linesize[0] - width * BPP;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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lum[0] = RGB_TO_Y(r, g, b);
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cb[0] = RGB_TO_U(r, g, b, 0);
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cr[0] = RGB_TO_V(r, g, b, 0);
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lum += dst->linesize[0] - width;
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cb += dst->linesize[1] - width;
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cr += dst->linesize[2] - width;
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#endif /* FMT_RGB24 */
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#if defined(FMT_RGB24) || defined(FMT_RGBA32)
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static void glue(RGB_NAME, _to_pal8)(AVPicture *dst, const AVPicture *src,
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int width, int height)
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const unsigned char *p;
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int dst_wrap, src_wrap;
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unsigned int r, g, b;
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src_wrap = src->linesize[0] - BPP * width;
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dst_wrap = dst->linesize[0] - width;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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RGBA_IN(r, g, b, a, p);
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/* crude approximation for alpha ! */
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q[0] = gif_clut_index(r, g, b);
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q[0] = gif_clut_index(r, g, b);
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build_rgb_palette(dst->data[1], has_alpha);
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#endif /* defined(FMT_RGB24) || defined(FMT_RGBA32) */
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static int glue(get_alpha_info_, RGB_NAME)(const AVPicture *src,
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int width, int height)
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const unsigned char *p;
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int src_wrap, ret, x, y;
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unsigned int r, g, b, a;
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src_wrap = src->linesize[0] - BPP * width;
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for(y=0;y<height;y++) {
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for(x=0;x<width;x++) {
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RGBA_IN(r, g, b, a, p);
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ret |= FF_ALPHA_TRANSP;
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} else if (a != 0xff) {
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ret |= FF_ALPHA_SEMI_TRANSP;