Merge commit '443502ae'

* commit '443502ae':
  dvbsubdec: move shared codepath

Conflicts:
	libavcodec/dvbsubdec.c

The merged code is ignored and the factorization redone with
the code that is in FFmpeg.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/dvbsubdec.c

@@ -728,27 +728,19 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
                     return pixels_read;
                 }
 
+                bits = 0;
+            } else {
+                bits = *(*srcbuf)++;
+            }
+            if (non_mod == 1 && bits == 1)
+                pixels_read += run_length;
+            else {
                 if (map_table)
-                    bits = map_table[0];
-                else
-                    bits = 0;
+                    bits = map_table[bits];
                 while (run_length-- > 0 && pixels_read < dbuf_len) {
                     *destbuf++ = bits;
                     pixels_read++;
                 }
-            } else {
-                bits = *(*srcbuf)++;
-
-                if (non_mod == 1 && bits == 1)
-                    pixels_read += run_length;
-                else {
-                    if (map_table)
-                        bits = map_table[bits];
-                    while (run_length-- > 0 && pixels_read < dbuf_len) {
-                        *destbuf++ = bits;
-                        pixels_read++;
-                    }
-                }
             }
         }
     }