/* * Templates for image convertion routines * Copyright (c) 2001, 2002, 2003 Fabrice Bellard. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef RGB_OUT #define RGB_OUT(d, r, g, b) RGBA_OUT(d, r, g, b, 0xff) #endif static void glue(yuv420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr; uint8_t *d, *d1, *d2; int w, y, cb, cr, r_add, g_add, b_add, width2; uint8_t *cm = cropTbl + MAX_NEG_CROP; unsigned int r, g, b; d = dst->data[0]; y1_ptr = src->data[0]; cb_ptr = src->data[1]; cr_ptr = src->data[2]; width2 = (width + 1) >> 1; for(;height >= 2; height -= 2) { d1 = d; d2 = d + dst->linesize[0]; y2_ptr = y1_ptr + src->linesize[0]; for(w = width; w >= 2; w -= 2) { YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]); /* output 4 pixels */ YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]); RGB_OUT(d1 + BPP, r, g, b); YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]); RGB_OUT(d2, r, g, b); YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[1]); RGB_OUT(d2 + BPP, r, g, b); d1 += 2 * BPP; d2 += 2 * BPP; y1_ptr += 2; y2_ptr += 2; cb_ptr++; cr_ptr++; } /* handle odd width */ if (w) { YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]); YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]); RGB_OUT(d2, r, g, b); d1 += BPP; d2 += BPP; y1_ptr++; y2_ptr++; cb_ptr++; cr_ptr++; } d += 2 * dst->linesize[0]; y1_ptr += 2 * src->linesize[0] - width; cb_ptr += src->linesize[1] - width2; cr_ptr += src->linesize[2] - width2; } /* handle odd height */ if (height) { d1 = d; for(w = width; w >= 2; w -= 2) { YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]); /* output 2 pixels */ YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]); RGB_OUT(d1 + BPP, r, g, b); d1 += 2 * BPP; y1_ptr += 2; cb_ptr++; cr_ptr++; } /* handle width */ if (w) { YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]); /* output 2 pixels */ YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); d1 += BPP; y1_ptr++; cb_ptr++; cr_ptr++; } } } static void glue(yuvj420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr; uint8_t *d, *d1, *d2; int w, y, cb, cr, r_add, g_add, b_add, width2; uint8_t *cm = cropTbl + MAX_NEG_CROP; unsigned int r, g, b; d = dst->data[0]; y1_ptr = src->data[0]; cb_ptr = src->data[1]; cr_ptr = src->data[2]; width2 = (width + 1) >> 1; for(;height >= 2; height -= 2) { d1 = d; d2 = d + dst->linesize[0]; y2_ptr = y1_ptr + src->linesize[0]; for(w = width; w >= 2; w -= 2) { YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]); /* output 4 pixels */ YUV_TO_RGB2(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2(r, g, b, y1_ptr[1]); RGB_OUT(d1 + BPP, r, g, b); YUV_TO_RGB2(r, g, b, y2_ptr[0]); RGB_OUT(d2, r, g, b); YUV_TO_RGB2(r, g, b, y2_ptr[1]); RGB_OUT(d2 + BPP, r, g, b); d1 += 2 * BPP; d2 += 2 * BPP; y1_ptr += 2; y2_ptr += 2; cb_ptr++; cr_ptr++; } /* handle odd width */ if (w) { YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]); YUV_TO_RGB2(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2(r, g, b, y2_ptr[0]); RGB_OUT(d2, r, g, b); d1 += BPP; d2 += BPP; y1_ptr++; y2_ptr++; cb_ptr++; cr_ptr++; } d += 2 * dst->linesize[0]; y1_ptr += 2 * src->linesize[0] - width; cb_ptr += src->linesize[1] - width2; cr_ptr += src->linesize[2] - width2; } /* handle odd height */ if (height) { d1 = d; for(w = width; w >= 2; w -= 2) { YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]); /* output 2 pixels */ YUV_TO_RGB2(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); YUV_TO_RGB2(r, g, b, y1_ptr[1]); RGB_OUT(d1 + BPP, r, g, b); d1 += 2 * BPP; y1_ptr += 2; cb_ptr++; cr_ptr++; } /* handle width */ if (w) { YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]); /* output 2 pixels */ YUV_TO_RGB2(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); d1 += BPP; y1_ptr++; cb_ptr++; cr_ptr++; } } } static void glue(RGB_NAME, _to_yuv420p)(AVPicture *dst, const AVPicture *src, int width, int height) { int wrap, wrap3, width2; int r, g, b, r1, g1, b1, w; uint8_t *lum, *cb, *cr; const uint8_t *p; lum = dst->data[0]; cb = dst->data[1]; cr = dst->data[2]; width2 = (width + 1) >> 1; wrap = dst->linesize[0]; wrap3 = src->linesize[0]; p = src->data[0]; for(;height>=2;height -= 2) { for(w = width; w >= 2; w -= 2) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y_CCIR(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y_CCIR(r, g, b); p += wrap3; lum += wrap; RGB_IN(r, g, b, p); r1 += r; g1 += g; b1 += b; lum[0] = RGB_TO_Y_CCIR(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y_CCIR(r, g, b); cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 2); cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 2); cb++; cr++; p += -wrap3 + 2 * BPP; lum += -wrap + 2; } if (w) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y_CCIR(r, g, b); p += wrap3; lum += wrap; RGB_IN(r, g, b, p); r1 += r; g1 += g; b1 += b; lum[0] = RGB_TO_Y_CCIR(r, g, b); cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1); cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1); cb++; cr++; p += -wrap3 + BPP; lum += -wrap + 1; } p += wrap3 + (wrap3 - width * BPP); lum += wrap + (wrap - width); cb += dst->linesize[1] - width2; cr += dst->linesize[2] - width2; } /* handle odd height */ if (height) { for(w = width; w >= 2; w -= 2) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y_CCIR(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y_CCIR(r, g, b); cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1); cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1); cb++; cr++; p += 2 * BPP; lum += 2; } if (w) { RGB_IN(r, g, b, p); lum[0] = RGB_TO_Y_CCIR(r, g, b); cb[0] = RGB_TO_U_CCIR(r, g, b, 0); cr[0] = RGB_TO_V_CCIR(r, g, b, 0); } } } static void glue(RGB_NAME, _to_gray)(AVPicture *dst, const AVPicture *src, int width, int height) { const unsigned char *p; unsigned char *q; int r, g, b, dst_wrap, src_wrap; int x, y; p = src->data[0]; src_wrap = src->linesize[0] - BPP * width; q = dst->data[0]; dst_wrap = dst->linesize[0] - width; for(y=0;y<height;y++) { for(x=0;x<width;x++) { RGB_IN(r, g, b, p); q[0] = RGB_TO_Y(r, g, b); q++; p += BPP; } p += src_wrap; q += dst_wrap; } } static void glue(gray_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const unsigned char *p; unsigned char *q; int r, dst_wrap, src_wrap; int x, y; p = src->data[0]; src_wrap = src->linesize[0] - width; q = dst->data[0]; dst_wrap = dst->linesize[0] - BPP * width; for(y=0;y<height;y++) { for(x=0;x<width;x++) { r = p[0]; RGB_OUT(q, r, r, r); q += BPP; p ++; } p += src_wrap; q += dst_wrap; } } static void glue(pal8_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const unsigned char *p; unsigned char *q; int r, g, b, dst_wrap, src_wrap; int x, y; uint32_t v; const uint32_t *palette; p = src->data[0]; src_wrap = src->linesize[0] - width; palette = (uint32_t *)src->data[1]; q = dst->data[0]; dst_wrap = dst->linesize[0] - BPP * width; for(y=0;y<height;y++) { for(x=0;x<width;x++) { v = palette[p[0]]; r = (v >> 16) & 0xff; g = (v >> 8) & 0xff; b = (v) & 0xff; #ifdef RGBA_OUT { int a; a = (v >> 24) & 0xff; RGBA_OUT(q, r, g, b, a); } #else RGB_OUT(q, r, g, b); #endif q += BPP; p ++; } p += src_wrap; q += dst_wrap; } } #if !defined(FMT_RGBA32) && defined(RGBA_OUT) /* alpha support */ static void glue(rgba32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *s; uint8_t *d; int src_wrap, dst_wrap, j, y; unsigned int v, r, g, b, a; s = src->data[0]; src_wrap = src->linesize[0] - width * 4; d = dst->data[0]; dst_wrap = dst->linesize[0] - width * BPP; for(y=0;y<height;y++) { for(j = 0;j < width; j++) { v = ((const uint32_t *)(s))[0]; a = (v >> 24) & 0xff; r = (v >> 16) & 0xff; g = (v >> 8) & 0xff; b = v & 0xff; RGBA_OUT(d, r, g, b, a); s += 4; d += BPP; } s += src_wrap; d += dst_wrap; } } static void glue(RGB_NAME, _to_rgba32)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *s; uint8_t *d; int src_wrap, dst_wrap, j, y; unsigned int r, g, b, a; s = src->data[0]; src_wrap = src->linesize[0] - width * BPP; d = dst->data[0]; dst_wrap = dst->linesize[0] - width * 4; for(y=0;y<height;y++) { for(j = 0;j < width; j++) { RGBA_IN(r, g, b, a, s); ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b; d += 4; s += BPP; } s += src_wrap; d += dst_wrap; } } #endif /* !defined(FMT_RGBA32) && defined(RGBA_IN) */ #ifndef FMT_RGB24 static void glue(rgb24_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *s; uint8_t *d; int src_wrap, dst_wrap, j, y; unsigned int r, g, b; s = src->data[0]; src_wrap = src->linesize[0] - width * 3; d = dst->data[0]; dst_wrap = dst->linesize[0] - width * BPP; for(y=0;y<height;y++) { for(j = 0;j < width; j++) { r = s[0]; g = s[1]; b = s[2]; RGB_OUT(d, r, g, b); s += 3; d += BPP; } s += src_wrap; d += dst_wrap; } } static void glue(RGB_NAME, _to_rgb24)(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *s; uint8_t *d; int src_wrap, dst_wrap, j, y; unsigned int r, g , b; s = src->data[0]; src_wrap = src->linesize[0] - width * BPP; d = dst->data[0]; dst_wrap = dst->linesize[0] - width * 3; for(y=0;y<height;y++) { for(j = 0;j < width; j++) { RGB_IN(r, g, b, s) d[0] = r; d[1] = g; d[2] = b; d += 3; s += BPP; } s += src_wrap; d += dst_wrap; } } #endif /* !FMT_RGB24 */ #ifdef FMT_RGB24 static void yuv444p_to_rgb24(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *y1_ptr, *cb_ptr, *cr_ptr; uint8_t *d, *d1; int w, y, cb, cr, r_add, g_add, b_add; uint8_t *cm = cropTbl + MAX_NEG_CROP; unsigned int r, g, b; d = dst->data[0]; y1_ptr = src->data[0]; cb_ptr = src->data[1]; cr_ptr = src->data[2]; for(;height > 0; height --) { d1 = d; for(w = width; w > 0; w--) { YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]); YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); d1 += BPP; y1_ptr++; cb_ptr++; cr_ptr++; } d += dst->linesize[0]; y1_ptr += src->linesize[0] - width; cb_ptr += src->linesize[1] - width; cr_ptr += src->linesize[2] - width; } } static void yuvj444p_to_rgb24(AVPicture *dst, const AVPicture *src, int width, int height) { const uint8_t *y1_ptr, *cb_ptr, *cr_ptr; uint8_t *d, *d1; int w, y, cb, cr, r_add, g_add, b_add; uint8_t *cm = cropTbl + MAX_NEG_CROP; unsigned int r, g, b; d = dst->data[0]; y1_ptr = src->data[0]; cb_ptr = src->data[1]; cr_ptr = src->data[2]; for(;height > 0; height --) { d1 = d; for(w = width; w > 0; w--) { YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]); YUV_TO_RGB2(r, g, b, y1_ptr[0]); RGB_OUT(d1, r, g, b); d1 += BPP; y1_ptr++; cb_ptr++; cr_ptr++; } d += dst->linesize[0]; y1_ptr += src->linesize[0] - width; cb_ptr += src->linesize[1] - width; cr_ptr += src->linesize[2] - width; } } static void rgb24_to_yuv444p(AVPicture *dst, const AVPicture *src, int width, int height) { int src_wrap, x, y; int r, g, b; uint8_t *lum, *cb, *cr; const uint8_t *p; lum = dst->data[0]; cb = dst->data[1]; cr = dst->data[2]; src_wrap = src->linesize[0] - width * BPP; p = src->data[0]; for(y=0;y<height;y++) { for(x=0;x<width;x++) { RGB_IN(r, g, b, p); lum[0] = RGB_TO_Y_CCIR(r, g, b); cb[0] = RGB_TO_U_CCIR(r, g, b, 0); cr[0] = RGB_TO_V_CCIR(r, g, b, 0); p += BPP; cb++; cr++; lum++; } p += src_wrap; lum += dst->linesize[0] - width; cb += dst->linesize[1] - width; cr += dst->linesize[2] - width; } } static void rgb24_to_yuvj420p(AVPicture *dst, const AVPicture *src, int width, int height) { int wrap, wrap3, width2; int r, g, b, r1, g1, b1, w; uint8_t *lum, *cb, *cr; const uint8_t *p; lum = dst->data[0]; cb = dst->data[1]; cr = dst->data[2]; width2 = (width + 1) >> 1; wrap = dst->linesize[0]; wrap3 = src->linesize[0]; p = src->data[0]; for(;height>=2;height -= 2) { for(w = width; w >= 2; w -= 2) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y(r, g, b); p += wrap3; lum += wrap; RGB_IN(r, g, b, p); r1 += r; g1 += g; b1 += b; lum[0] = RGB_TO_Y(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y(r, g, b); cb[0] = RGB_TO_U(r1, g1, b1, 2); cr[0] = RGB_TO_V(r1, g1, b1, 2); cb++; cr++; p += -wrap3 + 2 * BPP; lum += -wrap + 2; } if (w) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y(r, g, b); p += wrap3; lum += wrap; RGB_IN(r, g, b, p); r1 += r; g1 += g; b1 += b; lum[0] = RGB_TO_Y(r, g, b); cb[0] = RGB_TO_U(r1, g1, b1, 1); cr[0] = RGB_TO_V(r1, g1, b1, 1); cb++; cr++; p += -wrap3 + BPP; lum += -wrap + 1; } p += wrap3 + (wrap3 - width * BPP); lum += wrap + (wrap - width); cb += dst->linesize[1] - width2; cr += dst->linesize[2] - width2; } /* handle odd height */ if (height) { for(w = width; w >= 2; w -= 2) { RGB_IN(r, g, b, p); r1 = r; g1 = g; b1 = b; lum[0] = RGB_TO_Y(r, g, b); RGB_IN(r, g, b, p + BPP); r1 += r; g1 += g; b1 += b; lum[1] = RGB_TO_Y(r, g, b); cb[0] = RGB_TO_U(r1, g1, b1, 1); cr[0] = RGB_TO_V(r1, g1, b1, 1); cb++; cr++; p += 2 * BPP; lum += 2; } if (w) { RGB_IN(r, g, b, p); lum[0] = RGB_TO_Y(r, g, b); cb[0] = RGB_TO_U(r, g, b, 0); cr[0] = RGB_TO_V(r, g, b, 0); } } } static void rgb24_to_yuvj444p(AVPicture *dst, const AVPicture *src, int width, int height) { int src_wrap, x, y; int r, g, b; uint8_t *lum, *cb, *cr; const uint8_t *p; lum = dst->data[0]; cb = dst->data[1]; cr = dst->data[2]; src_wrap = src->linesize[0] - width * BPP; p = src->data[0]; for(y=0;y<height;y++) { for(x=0;x<width;x++) { RGB_IN(r, g, b, p); lum[0] = RGB_TO_Y(r, g, b); cb[0] = RGB_TO_U(r, g, b, 0); cr[0] = RGB_TO_V(r, g, b, 0); p += BPP; cb++; cr++; lum++; } p += src_wrap; lum += dst->linesize[0] - width; cb += dst->linesize[1] - width; cr += dst->linesize[2] - width; } } #endif /* FMT_RGB24 */ #if defined(FMT_RGB24) || defined(FMT_RGBA32) static void glue(RGB_NAME, _to_pal8)(AVPicture *dst, const AVPicture *src, int width, int height) { const unsigned char *p; unsigned char *q; int dst_wrap, src_wrap; int x, y, has_alpha; unsigned int r, g, b; p = src->data[0]; src_wrap = src->linesize[0] - BPP * width; q = dst->data[0]; dst_wrap = dst->linesize[0] - width; has_alpha = 0; for(y=0;y<height;y++) { for(x=0;x<width;x++) { #ifdef RGBA_IN { unsigned int a; RGBA_IN(r, g, b, a, p); /* crude approximation for alpha ! */ if (a < 0x80) { has_alpha = 1; q[0] = TRANSP_INDEX; } else { q[0] = gif_clut_index(r, g, b); } } #else RGB_IN(r, g, b, p); q[0] = gif_clut_index(r, g, b); #endif q++; p += BPP; } p += src_wrap; q += dst_wrap; } build_rgb_palette(dst->data[1], has_alpha); } #endif /* defined(FMT_RGB24) || defined(FMT_RGBA32) */ #ifdef RGBA_IN static int glue(get_alpha_info_, RGB_NAME)(const AVPicture *src, int width, int height) { const unsigned char *p; int src_wrap, ret, x, y; unsigned int r, g, b, a; p = src->data[0]; src_wrap = src->linesize[0] - BPP * width; ret = 0; for(y=0;y<height;y++) { for(x=0;x<width;x++) { RGBA_IN(r, g, b, a, p); if (a == 0x00) { ret |= FF_ALPHA_TRANSP; } else if (a != 0xff) { ret |= FF_ALPHA_SEMI_TRANSP; } p += BPP; } p += src_wrap; } return ret; } #endif /* RGBA_IN */ #undef RGB_IN #undef RGBA_IN #undef RGB_OUT #undef RGBA_OUT #undef BPP #undef RGB_NAME #undef FMT_RGB24 #undef FMT_RGBA32