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-rw-r--r--jdphuff.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/jdphuff.c b/jdphuff.c
index 0e981f2f..c6d82ca1 100644
--- a/jdphuff.c
+++ b/jdphuff.c
@@ -4,7 +4,7 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1995-1997, Thomas G. Lane.
* libjpeg-turbo Modifications:
- * Copyright (C) 2015-2016, 2018-2020, D. R. Commander.
+ * Copyright (C) 2015-2016, 2018-2021, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -348,7 +348,8 @@ decode_mcu_DC_first(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
}
/* Account for restart interval (no-op if not using restarts) */
- entropy->restarts_to_go--;
+ if (cinfo->restart_interval)
+ entropy->restarts_to_go--;
return TRUE;
}
@@ -432,7 +433,8 @@ decode_mcu_AC_first(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
}
/* Account for restart interval (no-op if not using restarts) */
- entropy->restarts_to_go--;
+ if (cinfo->restart_interval)
+ entropy->restarts_to_go--;
return TRUE;
}
@@ -483,7 +485,8 @@ decode_mcu_DC_refine(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
BITREAD_SAVE_STATE(cinfo, entropy->bitstate);
/* Account for restart interval (no-op if not using restarts) */
- entropy->restarts_to_go--;
+ if (cinfo->restart_interval)
+ entropy->restarts_to_go--;
return TRUE;
}
@@ -626,7 +629,8 @@ decode_mcu_AC_refine(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
}
/* Account for restart interval (no-op if not using restarts) */
- entropy->restarts_to_go--;
+ if (cinfo->restart_interval)
+ entropy->restarts_to_go--;
return TRUE;