Fix a bug in the DVD subtitle decoder where subtitles with odd heights would not

have the last line decoded, leaving the bottom line of the bitmap array
uninitialised. Patch by Ian Caulfield, ian dot caulfield gmail dot com.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@7767 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/dvdsubdec.c

@@ -249,7 +249,7 @@ static int decode_dvd_subtitles(AVSubtitle *sub_header,
                 sub_header->rects = av_mallocz(sizeof(AVSubtitleRect));
                 sub_header->num_rects = 1;
                 sub_header->rects[0].rgba_palette = av_malloc(4 * 4);
-                decode_rle(bitmap, w * 2, w, h / 2,
+                decode_rle(bitmap, w * 2, w, (h + 1) / 2,
                            buf, offset1 * 2, buf_size);
                 decode_rle(bitmap + w, w * 2, w, h / 2,
                            buf, offset2 * 2, buf_size);