[FFmpeg-devel] [PATCH 1/5] libavcodec/jpeg2000.c: Precinct size check removed

gautamramk at gmail.com gautamramk at gmail.com
Sun Jun 21 21:42:04 EEST 2020


From: Gautam Ramakrishnan <gautamramk at gmail.com>

This patch removes a check which throws an error if
the log2 precinct width/height is 0. The standard allows
the first component to have 0 as the log2 width/height.
---
 libavcodec/jpeg2000.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index 73206d17f3..1aca31ffa4 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -509,9 +509,6 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
         // update precincts size: 2^n value
         reslevel->log2_prec_width  = codsty->log2_prec_widths[reslevelno];
         reslevel->log2_prec_height = codsty->log2_prec_heights[reslevelno];
-        if (!reslevel->log2_prec_width || !reslevel->log2_prec_height) {
-            return AVERROR_INVALIDDATA;
-        }
 
         /* Number of bands for each resolution level */
         if (reslevelno == 0)
-- 
2.17.1



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