When using external Huffman tables fails during init, the decoder
reverts back to using the default Huffman tables; and when doing so,
the current VLC tables leak because init_default_huffman_tables()
doesn't free them before overwriting them.
Sample:
samples.ffmpeg.org/archive/all/avi+mjpeg+pcm_s16le++mjpeg-interlace.avi
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mjpegdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 5583d2aa35..776797d35b 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -76,6 +76,7 @@ static int init_default_huffman_tables(MJpegDecodeContext *s)
int i, ret;
for (i = 0; i < FF_ARRAY_ELEMS(ht); i++) {
+ ff_free_vlc(&s->vlcs[ht[i].class][ht[i].index]);
ret = ff_mjpeg_build_vlc(&s->vlcs[ht[i].class][ht[i].index],
ht[i].bits, ht[i].values,
ht[i].class == 1, s->avctx);
--
2.27.0
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