+#define RGB_FUNCTIONS(rgb_name) \
+ \
+static void 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) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ /* 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) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ 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) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ /* 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) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ /* 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++; \
+ } \
+ } \
+} \
+ \
+/* XXX: no chroma interpolating is done */ \
+static void yuv422p_to_ ## rgb_name (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, 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 > 0; height --) { \
+ d1 = d; \
+ for(w = width; w >= 2; w -= 2) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ /* 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) { \
+ cb = cb_ptr[0] - 128; \
+ cr = cr_ptr[0] - 128; \
+ r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \
+ g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \
+ b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \
+ \
+ /* 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++; \
+ } \
+ d += dst->linesize[0]; \
+ y1_ptr += src->linesize[0] - width; \
+ cb_ptr += src->linesize[1] - width2; \
+ cr_ptr += src->linesize[2] - width2; \
+ } \
+} \
+ \
+static void rgb_name ## _to_yuv420p(AVPicture *dst, AVPicture *src, \
+ int width, int height) \
+{ \
+ int wrap, wrap3, x, y; \
+ int r, g, b, r1, g1, b1; \
+ uint8_t *lum, *cb, *cr; \
+ const uint8_t *p; \
+ \
+ lum = dst->data[0]; \
+ cb = dst->data[1]; \
+ cr = dst->data[2]; \
+ \
+ wrap = dst->linesize[0]; \
+ wrap3 = src->linesize[0]; \
+ p = src->data[0]; \
+ for(y=0;y<height;y+=2) { \
+ for(x=0;x<width;x+=2) { \
+ RGB_IN(r, g, b, p); \
+ r1 = r; \
+ g1 = g; \
+ b1 = b; \
+ lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \
+ FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
+ RGB_IN(r, g, b, p + BPP); \
+ r1 += r; \
+ g1 += g; \
+ b1 += b; \
+ lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \
+ FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
+ p += wrap3; \
+ lum += wrap; \
+ \
+ RGB_IN(r, g, b, p); \
+ r1 += r; \
+ g1 += g; \
+ b1 += b; \
+ lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \
+ FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
+ \
+ RGB_IN(r, g, b, p + BPP); \
+ r1 += r; \
+ g1 += g; \
+ b1 += b; \
+ lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \
+ FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
+ \
+ cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
+ FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> \
+ (SCALEBITS + 2)) + 128; \
+ cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
+ FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> \
+ (SCALEBITS + 2)) + 128; \
+ \
+ cb++; \
+ cr++; \
+ p += -wrap3 + 2 * BPP; \
+ lum += -wrap + 2; \
+ } \
+ p += wrap3 + (wrap3 - width * BPP); \
+ lum += wrap + (wrap - width); \
+ cb += dst->linesize[1] - width / 2; \
+ cr += dst->linesize[2] - width / 2; \
+ } \
+} \
+ \
+static void 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] = (FIX(0.29900) * r + FIX(0.58700) * g + \
+ FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \
+ q++; \
+ p += BPP; \
+ } \
+ p += src_wrap; \
+ q += dst_wrap; \
+ } \
+} \
+ \
+static void 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 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;\
+ RGB_OUT(q, r, g, b); \
+ q += BPP; \
+ p ++; \
+ } \
+ p += src_wrap; \
+ q += dst_wrap; \
+ } \
+}
+
+/* copy bit n to bits 0 ... n - 1 */
+static inline unsigned int bitcopy_n(unsigned int a, int n)