Merge pull request #14200 from alalek:fix_imgcodecs_stream_set_pos

bda90dae · Alexander Alekhin · 68946510 · 6dfb6a30 · bda90dae
Commit bda90dae authored Apr 01, 2019 by Alexander Alekhin
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 0 deletions

bitstrm.cpp modules/imgcodecs/src/bitstrm.cpp +3 -0

No files found.
--- a/modules/imgcodecs/src/bitstrm.cpp
+++ b/modules/imgcodecs/src/bitstrm.cpp
@@ -175,8 +175,11 @@ void  RBaseStream::setPos( int pos )
    }

    int offset = pos % m_block_size;
+    int old_block_pos = m_block_pos;
    m_block_pos = pos - offset;
    m_current = m_start + offset;
+    if (old_block_pos != m_block_pos)
+        readBlock();
 }