Don't call jpeg_finish_compress() with YUV output, because it tries to insert an EOI marker right in the middle of our image data.

ChangeLog.txt

@@ -6,6 +6,13 @@
 [2] TurboJPEG/OSS can now scale down images during decompression.
 
 
+1.1.1
+=====
+
+[1] Fixed a 1-pixel error in row 0, column 21 of the luminance plane generated
+by tjEncodeYUV().
+
+
 1.1.0
 =====
 

jpegut.c

@@ -222,7 +222,7 @@ int checkbuf(unsigned char *buf, int w, int h, int ps, int subsamp,
 	}}
 
 #define checkval255(v) { \
-	if(v<254 && !(v==217 && i==0 && j==21)) { \
+	if(v<254) { \
 		printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, i, j, v); \
 		retval=0;  goto bailout; \
 	}}

turbojpegl.c

@@ -310,6 +310,7 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
 		}
 		*size=yuvsize;
 		cinfo->next_scanline+=height;
+		jpeg_abort_compress(&j->cinfo);
 	}
 	else
 	{
@@ -325,11 +326,10 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
 			jpeg_write_scanlines(&j->cinfo, &row_pointer[j->cinfo.next_scanline],
 				j->cinfo.image_height-j->cinfo.next_scanline);
 		}
-	}
-	jpeg_finish_compress(&j->cinfo);
-	if(!(flags&TJ_YUV))
+		jpeg_finish_compress(&j->cinfo);
 		*size=TJBUFSIZE(j->cinfo.image_width, j->cinfo.image_height)
 			-(unsigned long)(j->jdms.free_in_buffer);
+	}
 
 	bailout:
 	if(j->cinfo.global_state>CSTATE_START) jpeg_abort_compress(&j->cinfo);