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-rw-r--r--libavcodec/xsubdec.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/xsubdec.c b/libavcodec/xsubdec.c
index b024535df6..2a766b33f7 100644
--- a/libavcodec/xsubdec.c
+++ b/libavcodec/xsubdec.c
@@ -53,7 +53,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVSubtitle *sub = data;
const uint8_t *buf_end = buf + buf_size;
uint8_t *bitmap;
- int w, h, x, y, i;
+ int w, h, x, y, i, ret;
int64_t packet_time = 0;
GetBitContext gb;
int has_alpha = avctx->codec_tag == MKTAG('D','X','S','A');
@@ -145,7 +145,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
#endif
// process RLE-compressed data
- init_get_bits(&gb, buf, (buf_end - buf) * 8);
+ if ((ret = init_get_bits8(&gb, buf, buf_end - buf)) < 0)
+ return ret;
bitmap = sub->rects[0]->data[0];
for (y = 0; y < h; y++) {
// interlaced: do odd lines