Fix the JPEG tile decode issue in the case of JPEGs having restart

markers.

The fix stores the restart information on each index point and restores
the restart information when we do the tile decode.

Bug: 3312406
Change-Id: I5cd8717d4b60ffb5d2e7c97189ee044d67472fe2

1 files changed, 4 insertions, 0 deletions

diff --git a/jpeglib.h b/jpeglib.h
index 83bed4a..07e6872 100644
--- a/jpeglib.h
+++ b/jpeglib.h
@@ -649,6 +649,10 @@ typedef struct {
 
   // save the decoder current bit buffer, entropy->bitstate.get_buffer.
   INT32 get_buffer;
+
+  // save the restart info.
+  unsigned short restarts_to_go;
+  unsigned char next_restart_num;
 } huffman_offset_data;
 
 typedef struct {