+++ /dev/null
-/*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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, AVPicture *src,
- int width, int height)
-{
- uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *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, AVPicture *src,
- int width, int height)
-{
- uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *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, 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, 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, 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, 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, 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, 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, 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, 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, AVPicture *src,
- int width, int height)
-{
- uint8_t *y1_ptr, *cb_ptr, *cr_ptr, *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, AVPicture *src,
- int width, int height)
-{
- uint8_t *y1_ptr, *cb_ptr, *cr_ptr, *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, 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, 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, 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, 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)(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
projects / synfig.git / blobdiff