fix -Wparentheses warnings.

[swftools.git] / lib / modules / swfbits.c

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index 0fb7c22..cff2c9f 100644 (file)
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -157,9 +157,18 @@ int swf_SetJPEGBits(TAG * t,char * fname,int quality)
     }
     else if(cinfo.out_color_space == JCS_YCbCr) 
     {
-       //FIXME
-       fprintf(stderr, "Error: Can't convert YCbCr(YUV) to RGB.\n");
-       return -1;
+       for (y=0;y<cinfo.output_height;y++) {
+         int x;
+         for(x=0;x<cinfo.output_width;x++) {
+             int y = js[x*3+0];
+             int u = js[x*3+1];
+             int v = js[x*3+1];
+             // untested:
+             js[x*3+0] = y + ((360*(v-128))>>8);
+             js[x*3+1] = y - ((88*(u-128)-183*(v-128))>>8);
+             js[x*3+2] = y + ((455 * (u-128))>>8);
+         }
+       }
     }
     else if(cinfo.out_color_space == JCS_CMYK) 
     { 
@@ -243,7 +252,7 @@ int swf_SetLosslessBits(TAG * t,U16 width,U16 height,void * bitmap,U8 bitmap_fla
   swf_SetU16(t,width);
   swf_SetU16(t,height);
 
-  if (data=malloc(OUTBUFFER_SIZE))
+  if ((data=malloc(OUTBUFFER_SIZE)))
   { z_stream zs;
       
     memset(&zs,0x00,sizeof(z_stream));
@@ -289,7 +298,7 @@ int swf_SetLosslessBitsIndexed(TAG * t,U16 width,U16 height,U8 * bitmap,RGBA * p
   swf_SetU16(t,height);
   swf_SetU8(t,ncolors-1); // number of pal entries
 
-  if (data=malloc(OUTBUFFER_SIZE))
+  if ((data=malloc(OUTBUFFER_SIZE)))
   { z_stream zs;
 
     memset(&zs,0x00,sizeof(z_stream));
@@ -298,7 +307,7 @@ int swf_SetLosslessBitsIndexed(TAG * t,U16 width,U16 height,U8 * bitmap,RGBA * p
 
     if (deflateInit(&zs,Z_DEFAULT_COMPRESSION)==Z_OK)
     { U8 * zpal;                    // compress palette
-      if (zpal = malloc(ncolors*4))
+      if ((zpal = malloc(ncolors*4)))
       { U8 * pp = zpal;
         int i;