Cleanup license declarations and remove dv1394d references.
[melted] / src / framework / mlt_frame.c
index f072bdd..03a5e22 100644 (file)
@@ -3,19 +3,19 @@
  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
  * Author: Charles Yates <charles.yates@pandora.be>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU 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 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 2.1 of the License, or (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
+ * 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 General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 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
  */
 
 #include "config.h"
@@ -529,6 +529,34 @@ void mlt_frame_close( mlt_frame this )
 
 /***** convenience functions *****/
 
+int mlt_convert_yuv422_to_rgb24a( uint8_t *yuv, uint8_t *rgba, unsigned int total )
+{
+       int ret = 0;
+       int yy, uu, vv;
+       int r,g,b;
+       total /= 2;
+       while (total--) 
+       {
+               yy = yuv[0];
+               uu = yuv[1];
+               vv = yuv[3];
+               YUV2RGB(yy, uu, vv, r, g, b);
+               rgba[0] = r;
+               rgba[1] = g;
+               rgba[2] = b;
+               rgba[3] = 255;
+               yy = yuv[2];
+               YUV2RGB(yy, uu, vv, r, g, b);
+               rgba[4] = r;
+               rgba[5] = g;
+               rgba[6] = b;
+               rgba[7] = 255;
+               yuv += 4;
+               rgba += 8;
+       }
+       return ret;
+}
+
 int mlt_convert_rgb24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
 {
        int ret = 0;
@@ -610,6 +638,129 @@ int mlt_convert_rgb24_to_yuv422( uint8_t *rgb, int width, int height, int stride
        return ret;
 }
 
+int mlt_convert_bgr24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
+{
+       int ret = 0;
+       register int y0, y1, u0, u1, v0, v1;
+       register int r, g, b;
+       register uint8_t *d = yuv;
+       register int i, j;
+
+       for ( i = 0; i < height; i++ )
+       {
+               register uint8_t *s = rgba + ( stride * i );
+               for ( j = 0; j < ( width / 2 ); j++ )
+               {
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       *alpha++ = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       *alpha++ = *s++;
+                       RGB2YUV (r, g, b, y1, u1 , v1);
+                       *d++ = y0;
+                       *d++ = (u0+u1) >> 1;
+                       *d++ = y1;
+                       *d++ = (v0+v1) >> 1;
+               }
+               if ( width % 2 )
+               {
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       *alpha++ = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       *d++ = y0;
+                       *d++ = u0;
+               }
+       }
+       return ret;
+}
+
+int mlt_convert_bgr24_to_yuv422( uint8_t *rgb, int width, int height, int stride, uint8_t *yuv )
+{
+       int ret = 0;
+       register int y0, y1, u0, u1, v0, v1;
+       register int r, g, b;
+       register uint8_t *d = yuv;
+       register int i, j;
+
+       for ( i = 0; i < height; i++ )
+       {
+               register uint8_t *s = rgb + ( stride * i );
+               for ( j = 0; j < ( width / 2 ); j++ )
+               {
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       RGB2YUV (r, g, b, y1, u1 , v1);
+                       *d++ = y0;
+                       *d++ = (u0+u1) >> 1;
+                       *d++ = y1;
+                       *d++ = (v0+v1) >> 1;
+               }
+               if ( width % 2 )
+               {
+                       b = *s++;
+                       g = *s++;
+                       r = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       *d++ = y0;
+                       *d++ = u0;
+               }
+       }
+       return ret;
+}
+
+int mlt_convert_argb_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
+{
+       int ret = 0;
+       register int y0, y1, u0, u1, v0, v1;
+       register int r, g, b;
+       register uint8_t *d = yuv;
+       register int i, j;
+
+       for ( i = 0; i < height; i++ )
+       {
+               register uint8_t *s = rgba + ( stride * i );
+               for ( j = 0; j < ( width / 2 ); j++ )
+               {
+                       *alpha++ = *s++;
+                       r = *s++;
+                       g = *s++;
+                       b = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       *alpha++ = *s++;
+                       r = *s++;
+                       g = *s++;
+                       b = *s++;
+                       RGB2YUV (r, g, b, y1, u1 , v1);
+                       *d++ = y0;
+                       *d++ = (u0+u1) >> 1;
+                       *d++ = y1;
+                       *d++ = (v0+v1) >> 1;
+               }
+               if ( width % 2 )
+               {
+                       *alpha++ = *s++;
+                       r = *s++;
+                       g = *s++;
+                       b = *s++;
+                       RGB2YUV (r, g, b, y0, u0 , v0);
+                       *d++ = y0;
+                       *d++ = u0;
+               }
+       }
+       return ret;
+}
+
 int mlt_convert_yuv420p_to_yuv422( uint8_t *yuv420p, int width, int height, int stride, uint8_t *yuv )
 {
        int ret = 0;